This page displays last 20 Severe Weather Alerts issued by the National Weather Service
NOTE: Zoom in and out on each map using the "+" and "-" button located on each map.
2026-08-11 02:35:34
WUUS51 KRLX 110635
Severe Thunderstorm Warning
538
WUUS51 KRLX 110635
SVRRLX
WVC007-013-015-021-067-075-083-087-101-110730-
/O.NEW.KRLX.SV.W.0294.260811T0635Z-260811T0730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
235 AM EDT Tue Aug 11 2026
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Southern Calhoun County in north central West Virginia...
Southwestern Randolph County in northeastern West Virginia...
Central Pocahontas County in northeastern West Virginia...
North central Nicholas County in southeastern West Virginia...
Southwestern Gilmer County in north central West Virginia...
Braxton County in north central West Virginia...
East central Roane County in central West Virginia...
Webster County in northeastern West Virginia...
Northeastern Clay County in north central West Virginia...
* Until 330 AM EDT.
* At 235 AM EDT, severe thunderstorms were located along a line
extending from 10 miles north of Sutton to 8 miles south of Cedar
Creek State Park to 6 miles west of Arnoldsburg, moving southeast
at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Sutton, Webster Springs, Gassaway, Addison (Webster Springs),
Camden-On-gauley, Birch River, Arnoldsburg, Holly River State Park,
Big Otter, Camden On Gauley, Harrison, Cowen, Burnsville,
Flatwoods, Nebo, Shock, Rosedale, Upper Glade, Waneta, and Boggs.
This includes the following highways...
Interstate 79 between mile markers 36 and 81.
Route 19 between mile markers 49 and 68.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3847 8000 3836 8042 3837 8093 3880 8133
3880 8098 3888 8063 3876 8045 3873 8044
3873 8040
TIME...MOT...LOC 0635Z 312DEG 34KT 3882 8065 3876 8092 3876 8124
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 02:34:14
WUUS51 KRLX 110634
Severe Thunderstorm Warning
755
WUUS51 KRLX 110634
SVRRLX
OHC053-087-WVC011-015-035-039-053-079-087-110730-
/O.NEW.KRLX.SV.W.0293.260811T0634Z-260811T0730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
234 AM EDT Tue Aug 11 2026
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Southern Gallia County in southeastern Ohio...
Northeastern Lawrence County in southeastern Ohio...
Mason County in western West Virginia...
Northeastern Cabell County in central West Virginia...
Northern Kanawha County in central West Virginia...
Putnam County in western West Virginia...
Roane County in central West Virginia...
West central Clay County in north central West Virginia...
Southern Jackson County in northwestern West Virginia...
* Until 330 AM EDT.
* At 233 AM EDT, severe thunderstorms were located along a line
extending from Spencer to near Ripley to 8 miles southeast of Oak
Hill, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Nitro, Gallipolis, Ripley, Spencer, Winfield, Clay, Hurricane,
Barboursville, Sissonville, Milton, Eleanor, Buffalo, Clendenin,
Poca, Cross Lanes, Kenna, Teays Valley, Ona, Culloden, and Elkview.
This includes the following highways...
Interstate 79 between mile markers 7 and 35.
Interstate 77 in West Virginia between mile markers 107 and 139.
Interstate 64 in West Virginia between mile markers 18 and 47.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3886 8139 3846 8101 3838 8226 3880 8265
TIME...MOT...LOC 0633Z 310DEG 29KT 3881 8138 3881 8166 3878 8251
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 02:27:42
WUUS53 KFSD 110627
Severe Thunderstorm Warning
992
WUUS53 KFSD 110627
SVRFSD
SDC125-110700-
/O.NEW.KFSD.SV.W.0222.260811T0627Z-260811T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
127 AM CDT Tue Aug 11 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Turner County in southeastern South Dakota...
* Until 200 AM CDT.
* At 127 AM CDT, a severe thunderstorm was located near Viborg, or 13
miles south of Parker, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Viborg, Hurley, and Davis around 130 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4319 9727 4325 9725 4331 9692 4315 9693
4314 9693
TIME...MOT...LOC 0627Z 272DEG 35KT 4321 9719
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 02:21:11
WGUS51 KPBZ 110620
Flash Flood Warning
118
WGUS51 KPBZ 110620
FFWPBZ
OHC019-029-110915-
/O.NEW.KPBZ.FF.W.0098.260811T0620Z-260811T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
220 AM EDT Tue Aug 11 2026
The National Weather Service in Pittsburgh has issued a
* Flash Flood Warning for...
Northeastern Carroll County in east central Ohio...
Columbiana County in east central Ohio...
* Until 515 AM EDT.
* At 220 AM EDT, Doppler radar indicated thunderstorms produced
between 1 and 2 inches with additional rainfall amounts up to 1.5
inches possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Salem, Columbiana, East Palestine, Lisbon, Leetonia, New Waterford,
Salineville, Hanoverton, Rogers, Summitville, Guilford Lake State
Park, Winona, New Garden, North Georgetown, Beaver Creek State
Park, Lake Tomahawk, East Rochester, Homeworth and Negley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4073 8106 4074 8109 4090 8109 4090 8090
4093 8090 4093 8082 4090 8082 4090 8052
4078 8052 4060 8080
FLASH FLOOD...RADAR INDICATED
2026-08-11 02:09:59
WUUS51 KRLX 110609
Severe Thunderstorm Warning
543
WUUS51 KRLX 110609
SVRRLX
OHC053-079-087-105-WVC035-053-110700-
/O.NEW.KRLX.SV.W.0292.260811T0609Z-260811T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
209 AM EDT Tue Aug 11 2026
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Southern Meigs County in southeastern Ohio...
Gallia County in southeastern Ohio...
Southern Jackson County in southeastern Ohio...
Northeastern Lawrence County in southeastern Ohio...
Mason County in western West Virginia...
Jackson County in northwestern West Virginia...
* Until 300 AM EDT.
* At 209 AM EDT, severe thunderstorms were located along a line
extending from near New Haven to 7 miles northeast of Rio Grande to
near Oak Hill, moving southeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Point Pleasant, Gallipolis, Ripley, Pomeroy, Oak Hill, Rio Grande,
Racine, Rutland, Ravenswood, New Haven, Mason, Sandyville, Gallia,
Middleport, Chester, Syracuse, Hartford City, Henderson, Vinton,
and Leon.
This includes Interstate 77 in West Virginia between mile markers 129
and 151.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3898 8279 3898 8234 3911 8189 3891 8151
3890 8153 3875 8153 3868 8175 3867 8244
TIME...MOT...LOC 0609Z 305DEG 34KT 3905 8192 3895 8228 3895 8264
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:59:16
WUUS53 KABR 110559
Severe Thunderstorm Warning
870
WUUS53 KABR 110559
SVRABR
SDC075-110645-
/O.NEW.KABR.SV.W.0201.260811T0559Z-260811T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
1259 AM CDT Tue Aug 11 2026
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Southwestern Jones County in central South Dakota...
* Until 145 AM CDT.
* At 1259 AM CDT, a severe thunderstorm was located 7 miles southwest
of Capa, or 19 miles northwest of Murdo, moving southeast at 30
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Okaton around 120 AM CDT.
Murdo around 135 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4411 10105 4391 10057 4375 10057 4377 10059
4374 10062 4375 10066 4371 10068 4372 10074
4371 10073 4371 10074 4374 10075 4373 10079
4376 10081 4376 10084 4383 10093 4381 10096
4382 10095 4385 10099 4386 10103 4384 10106
TIME...MOT...LOC 0558Z 305DEG 26KT 4402 10104
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:49:34
WUUS53 KFSD 110549
Severe Thunderstorm Warning
219
WUUS53 KFSD 110549
SVRFSD
SDC067-125-135-110630-
/O.NEW.KFSD.SV.W.0221.260811T0549Z-260811T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
1249 AM CDT Tue Aug 11 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Yankton County in southeastern South Dakota...
Southwestern Turner County in southeastern South Dakota...
Southeastern Hutchinson County in southeastern South Dakota...
* Until 130 AM CDT.
* At 1249 AM CDT, a severe thunderstorm was located 7 miles southeast
of Menno, or 19 miles north of Yankton, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Mayfield around 1255 AM CDT.
Irene around 105 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4313 9757 4319 9757 4326 9716 4306 9716
4302 9717 4301 9717
TIME...MOT...LOC 0549Z 270DEG 30KT 4315 9750
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:49:04
WUUS51 KRLX 110548
Severe Thunderstorm Warning
215
WUUS51 KRLX 110548
SVRRLX
OHC053-079-105-163-WVC053-110615-
/O.NEW.KRLX.SV.W.0291.260811T0548Z-260811T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
148 AM EDT Tue Aug 11 2026
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Meigs County in southeastern Ohio...
Northeastern Gallia County in southeastern Ohio...
Southeastern Jackson County in southeastern Ohio...
Southeastern Vinton County in southeastern Ohio...
Northwestern Mason County in western West Virginia...
* Until 215 AM EDT.
* At 148 AM EDT, a severe thunderstorm was located 7 miles southeast
of Wellston, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Point Pleasant, Gallipolis, Pomeroy, Rio Grande, Rutland, New
Haven, Mason, Middleport, Chester, Syracuse, Hartford City,
Henderson, Vinton, Wilkesville, Cheshire, Adamsville, Radcliffe,
Lakin, Dyesville, and Salem Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3897 8259 3924 8229 3923 8227 3920 8227
3920 8218 3907 8181 3871 8228
TIME...MOT...LOC 0548Z 300DEG 32KT 3902 8246
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:47:44
WGUS51 KPBZ 110547
Flash Flood Warning
327
WGUS51 KPBZ 110547
FFWPBZ
PAC051-110845-
/O.NEW.KPBZ.FF.W.0097.260811T0547Z-260811T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
147 AM EDT Tue Aug 11 2026
The National Weather Service in Pittsburgh has issued a
* Flash Flood Warning for...
Eastern Fayette County in southwestern Pennsylvania...
* Until 445 AM EDT.
* At 147 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Uniontown, Connellsville, South Connellsville, Farmington, Seven
Springs, Fairchance, Dunbar, Markleysburg, Chalkhill, Ohiopyle,
Mill Run, Indian Head and Normalville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3992 7975 4009 7949 4003 7930 3990 7940
3985 7942 3982 7937 3979 7937 3979 7935
3978 7939 3977 7938 3976 7940 3974 7939
3974 7941 3973 7939 3972 7939 3972 7956
3982 7980
FLASH FLOOD...RADAR INDICATED
2026-08-11 01:44:03
WUUS55 KPSR 110543
Severe Thunderstorm Warning
757
WUUS55 KPSR 110543
SVRPSR
AZC012-027-110615-
/O.NEW.KPSR.SV.W.0059.260811T0543Z-260811T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
1043 PM MST Mon Aug 10 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
Southwestern La Paz County in west central Arizona...
North central Yuma County in southwestern Arizona...
* Until 1115 PM MST.
* At 1043 PM MST, a severe thunderstorm was located 12 miles
northeast of Yuma Proving Ground, or 21 miles northeast of Martinez
Lake, moving northwest at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
southwestern La Paz and north central Yuma Counties.
This includes AZ Route 95 between mile markers 71 and 87.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3329 11406 3315 11417 3331 11467 3360 11442
TIME...MOT...LOC 0543Z 119DEG 19KT 3325 11431
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:21:59
WGUS51 KLWX 110521
Flash Flood Warning
127
WGUS51 KLWX 110521
FFWLWX
MDC023-110815-
/O.NEW.KLWX.FF.W.0038.260811T0521Z-260811T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
121 AM EDT Tue Aug 11 2026
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for...
Northern Garrett County in western Maryland...
* Until 415 AM EDT.
* At 121 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 2 inches of
rain have fallen. The expected rainfall rate is 0.75 to 1.5 inches
in 1 hour. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Bittinger... Grantsville...
Friendsville... Accident...
Jennings... Keysers Ridge...
New Germany... Mineral Spring...
Merrill... Selbysport...
Piney Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR
2026-08-11 01:18:28
WGUS51 KPBZ 110518
Flash Flood Warning
358
WGUS51 KPBZ 110518
FFWPBZ
OHC013-WVC069-110815-
/O.NEW.KPBZ.FF.W.0096.260811T0518Z-260811T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
118 AM EDT Tue Aug 11 2026
The National Weather Service in Pittsburgh has issued a
* Flash Flood Warning for...
Northeastern Belmont County in east central Ohio...
Ohio County in northern West Virginia...
* Until 415 AM EDT.
* At 118 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts up to 0.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Wheeling, Martins Ferry, St. Clairsville, Bellaire, Warwood,
Bethlehem, Bridgeport, Brookside and Neffs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4001 8074 4005 8099 4013 8097 4012 8068
4003 8071 4003 8074
FLASH FLOOD...RADAR INDICATED
2026-08-11 01:18:18
WUUS53 KBIS 110518
Severe Thunderstorm Warning
440
WUUS53 KBIS 110518
SVRBIS
NDC001-037-041-085-110600-
/O.NEW.KBIS.SV.W.0251.260811T0518Z-260811T0600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
Issued by National Weather Service Grand Forks ND
1118 PM MDT Mon Aug 10 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Southwestern Sioux County in south central North Dakota...
Southeastern Hettinger County in southwestern North Dakota...
Southwestern Grant County in south central North Dakota...
Southeastern Adams County in southwestern North Dakota...
* Until midnight MDT.
* At 1117 PM MDT, a severe thunderstorm was located 8 miles south of
Bentley, or 19 miles north of Lemmon, moving southeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lemmon and North Lemmon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4594 10229 4617 10252 4635 10197 4595 10162
TIME...MOT...LOC 0517Z 326DEG 28KT 4622 10211
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:17:38
WUUS55 KPSR 110517
Severe Thunderstorm Warning
690
WUUS55 KPSR 110517
SVRPSR
AZC012-027-110545-
/O.NEW.KPSR.SV.W.0058.260811T0517Z-260811T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
1017 PM MST Mon Aug 10 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
Southwestern La Paz County in west central Arizona...
North central Yuma County in southwestern Arizona...
* Until 1045 PM MST.
* At 1017 PM MST, a severe thunderstorm was located 19 miles south of
Kofa Wildlife Refuge, or 29 miles northeast of Martinez Lake,
moving northwest at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
southwestern La Paz and north central Yuma Counties.
This includes AZ Route 95 between mile markers 71 and 96.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3336 11396 3314 11412 3325 11450 3357 11424
TIME...MOT...LOC 0517Z 119DEG 21KT 3320 11403
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:14:32
WGUS51 KCTP 110514
Flash Flood Warning
396
WGUS51 KCTP 110514
FFWCTP
PAC111-110815-
/O.NEW.KCTP.FF.W.0060.260811T0514Z-260811T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service State College PA
114 AM EDT Tue Aug 11 2026
The National Weather Service in State College has issued a
* Flash Flood Warning for...
Southwestern Somerset County in south central Pennsylvania...
* Until 415 AM EDT.
* At 114 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Meyersdale, Ursina, New Centerville, Mount Davis, Rockwood,
Confluence, Salisbury, Garrett, Addison, Wellersburg, Casselman,
Callimont and Seven Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3989 7899 3976 7881 3972 7882 3972 7939
3973 7939 3974 7941 3974 7939 3976 7940
3977 7938 3978 7939 3978 7938 3979 7938
3978 7936 3979 7935 3979 7937 3982 7937
3984 7938 3985 7942 3990 7940 4002 7931
FLASH FLOOD...RADAR INDICATED
2026-08-11 01:13:57
WUUS53 KUNR 110513
Severe Thunderstorm Warning
008
WUUS53 KUNR 110513
SVRUNR
SDC055-071-095-110615-
/O.NEW.KUNR.SV.W.0253.260811T0513Z-260811T0615Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
1113 PM MDT Mon Aug 10 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
Western Mellette County in south central South Dakota...
Eastern Jackson County in southwestern South Dakota...
Southeastern Haakon County in west central South Dakota...
* Until 1215 AM MDT /115 AM CDT/.
* At 1113 PM MDT /1213 AM CDT/, a severe thunderstorm was located 9
miles southwest of Ottumwa, or 12 miles northeast of Philip, moving
southeast at 45 MPH.
HAZARD...Two inch hail and 60 MPH wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Kadoka, White River, Norris, Midland, Belvidere, Cedar Butte, Corn
Creek, Black Pipe, Ottumwa, Swift Bear and Nowlin.
This includes Interstate 90 in South Dakota between Mile Markers 149
and 174.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
If you observe a tornado, hail, wind damage, or flooding, please
report your observations to the National Weather Service office in
Rapid City via phone, email, or social media, as soon as it is safe
to do so.
&&
LAT...LON 4411 10167 4428 10158 4436 10141 4399 10106
4384 10106 4386 10105 4385 10099 4383 10098
4384 10096 4382 10097 4381 10096 4383 10093
4380 10089 4379 10090 4380 10088 4378 10088
4379 10086 4356 10064 4341 10138
TIME...MOT...LOC 0511Z 333DEG 39KT 4413 10145
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:09:46
WUUS51 KLWX 110509
Severe Thunderstorm Warning
871
WUUS51 KLWX 110509
SVRLWX
MDC001-023-110545-
/O.NEW.KLWX.SV.W.0407.260811T0509Z-260811T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
109 AM EDT Tue Aug 11 2026
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for...
Northwestern Allegany County in western Maryland...
Northeastern Garrett County in western Maryland...
* Until 145 AM EDT.
* At 109 AM EDT, a severe thunderstorm was located near Grantsville,
or 9 miles northwest of Frostburg, moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damaging winds will cause some trees and large branches
to fall. This could injure those outdoors, as well as
damage homes and vehicles. Roadways may become blocked by
downed trees. Localized power outages are possible.
Unsecured light objects may become projectiles.
* Locations impacted include...
Frostburg, Grantsville, Eckhart Mines, Mount Savage, Midlothian,
Woodland, New Germany, Piney Grove, and Jennings.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3959 7891 3965 7921 3972 7920 3972 7881
TIME...MOT...LOC 0509Z 273DEG 19KT 3973 7906
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:03:20
WUUS51 KCTP 110503
Severe Thunderstorm Warning
803
WUUS51 KCTP 110503
SVRCTP
PAC111-110545-
/O.NEW.KCTP.SV.W.0256.260811T0503Z-260811T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
103 AM EDT Tue Aug 11 2026
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
South central Somerset County in south central Pennsylvania...
* Until 145 AM EDT.
* At 102 AM EDT, a severe thunderstorm was located over Grantsville,
moving east southeast at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Meyersdale, Mount Davis, Salisbury, Wellersburg, and Callimont.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay inside a well built structure and keep away from windows.
Continuous cloud to ground lightning is occurring with this severe
thunderstorm. Move indoors immediately. Lightning is one of nature's
leading killers. Remember, if you can hear thunder, you are close
enough to be struck by lightning.
&&
LAT...LON 3972 7925 3980 7922 3988 7913 3975 7879
3972 7881
TIME...MOT...LOC 0502Z 286DEG 29KT 3974 7908
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-11 01:03:20
WGUS51 KRLX 110502
Flash Flood Warning
494
WGUS51 KRLX 110502
FFWRLX
OHC127-110700-
/O.NEW.KRLX.FF.W.0123.260811T0502Z-260811T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
102 AM EDT Tue Aug 11 2026
...FLASH FLOOD EMERGENCY FOR CROOKSVILLE, NEW LEXINGTON AND JUNCTION
CITY...
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
East Central Perry County in southeastern Ohio...
* Until 300 AM EDT.
* At 102 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain. If you are in a safe location on higher ground, do not
travel, and shelter in place. If you are near a creek or location
prone to flooding, move to higher ground immediately. Flash
flooding is already occurring.
FLASH FLOOD EMERGENCY for Crooksville, New Lexington and Junction
City. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW!
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW! Life threatening flash flooding of low water
crossings, small creeks and streams, urban areas,
highways, streets and underpasses.
* Some locations that will experience flash flooding include...
New Lexington, Perry State Forest, Crooksville and Junction City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now! This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Report flooding to the National Weather Service by calling toll free,
800 401 9535, when you can do so safely.
&&
LAT...LON 3963 8203 3969 8229 3975 8232 3982 8225
3983 8217 3982 8217 3982 8207 3979 8208
3976 8208 3973 8208 3972 8203 3966 8203
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
2026-08-11 01:00:35
WUUS51 KCLE 110500
Severe Thunderstorm Warning
573
WUUS51 KCLE 110500
SVRCLE
OHC035-093-103-133-153-110545-
/O.NEW.KCLE.SV.W.0217.260811T0500Z-260811T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
100 AM EDT Tue Aug 11 2026
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Southwestern Portage County in northeastern Ohio...
Cuyahoga County in northeastern Ohio...
Medina County in northeastern Ohio...
Summit County in northeastern Ohio...
Lorain County in north central Ohio...
* Until 145 AM EDT.
* At 100 AM EDT, severe thunderstorms were located along a line
extending from near Grafton to near Chippewa Lake, moving east at
40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Cleveland, Akron, Lorain, Elyria, Medina, Vermilion, Parma,
Lakewood, Cuyahoga Falls, Strongsville, Brunswick, Westlake, North
Royalton, North Ridgeville, Kent, Barberton, Avon Lake, Hudson,
Wadsworth, and Twinsburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4157 8166 4099 8123 4099 8191 4145 8236
4153 8194 4151 8184 4153 8173
TIME...MOT...LOC 0500Z 263DEG 34KT 4128 8195 4107 8186
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH