Hail, Grant
- When
- July 31, 11:26 AM EST
- Where
- Grant County, 2.17 mi NW of Stony River
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 39.226, -79.273
Quarter sized hail was reported.
Hail in West Virginia, July 31, 2012
A stalled boundary remained over the region on the 31st. Warm and humid air ahead of the boundary caused showers and thunderstorms to develop.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS LWX wrote it up.
A stalled boundary remained over the region on the 31st. Warm and humid air ahead of the boundary caused showers and thunderstorms to develop. There was enough instability for a couple thunderstorms to produce large hail.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Jul 31, 9:57 AM EST, 1 hour 29 minutes earlier.
Area forecast discussion, Jul 31, 9:57 AM EST, 1 hour 29 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1057 AM EDT TUE JUL 31 2012 .SYNOPSIS... LOW PRESSURE ALOFT AND A WARM AND HUMID AIRMASS WILL PERSIST ALONG THE EASTERN SEABOARD THIS WEEK. A WEAK COLD FRONT WILL APPROACH THE MID-ATLANTIC REGION ON WEDNESDAY. A SECOND FRONTAL BOUNDARY IS EXPECTED TO IMPACT THE AREA EARLY NEXT WEEK. && .NEAR TERM /THROUGH WEDNESDAY/... BROAD UPR TROF WILL PERSIST ALONG THE APLCNS THRU WED WITH WARM AND MOIST AMS IN THE MID-ATLC RGN. ELY LOW-LVL FLOW WILL VEER TO SELY AS WEAK SFC LOPRES DVLPS THIS AFTN IN SRN VA. WDSPRD CU FIELD HAS DVLPD IN MUCH OF FCST AREA OWING TO VERY MOIST AMS. SHWRS XPCD TO DVLP BY EARLY THIS AFTN IN WRN ZONES...WHERE MRNG CLDS WERE MINIMAL. ADDITIONAL SHWRS AND TSTMS WILL DVLP EWD AS THE AFTN PROGRESSES. STEEP LAPSE RATES THRU H7 AND ABUNDANT LOW-LVL MSTR WILL YIELD MDT CAPE THIS AFTN...BUT SHEAR IS VIRTUALLY NON-EXISTENT. HOWEVER... DP MSTR PROFILE AMID THESE STEEP LAPSE RATES COULD LEAD TO A DMGG WIND THREAT IF DP CNVCTN CAN DVLP. THERE IS NO REASON THAT IT WOULD NOT DVLP...SO A FEW SVR TSTMS WILL BE MENTIONED IN WRN SEGMENT OF HWO. SHWRS WILL WANE THIS EVE...ALTHOUGH AN ISOLD SHWR MAY OCCUR OVNGT. ALTHOUGH DVLPMT OF LOW CLDS IS UNCERTAIN OVNGT...FOG SEEMS MORE CERTAIN OWING TO PERSISTENT BNDRY LYR MSTR. MINIMA IN UPR 60S-MID 70S WILL BE COMMON. WITH STAGNANT AMS...CU FIELD SHOULD DVLP QUICKLY AGAIN WED MRNG. SHWRS AND TSTMS ONCE AGAIN CAN BE XPCD DURG THE DAY ON WED WITH TROF RMNG ALONG APLCNS AND WEAK CDFNT APRCHG RGN. THERE IS SOME UNCERTAINTY AS TO THE SWD ADVCMT OF THE BNDRY DURG THE DAY...SO POPS WERE FOCUSED IN NWRN PORTION OF FCST AREA. MAXIMA IN MID-UPR 80S XPCD. && .SHORT TERM /WEDNESDAY NIGHT/... BOUNDARY FINALLY PUSHES OFFSHORE WEDNESDAY EVENING WITH DRIER AIR MOVING IN FROM THE WEST DURING THE LATE NIGHT HOURS. NO REAL CHANGE TO THE POPS DURING THIS PERIOD...BUT DID UPDATE TEMPS/WINDS AND DEW POINTS. && .LONG TERM /THURSDAY THROUGH MONDAY/... HIGH PRESSURE BRIEFLY BUILDS ACROSS THE CWFA FOR THURSDAY...BUT A LEE TROUGH BEGINS TO FORM BY FRIDAY AND REMAINS IN PLACE THROUGH THE WEEKEND. DAILY SCT DIURNAL CONVECTION EXPECTED FOR THE REMAINDER OF THE WEEK INTO THE WEEKEND. A SECOND COLD FRONT IS EXPECTED TO IMPACT THE REGION BY THE FIRST OF NEXT WEEK. && .AVIATION /14Z TUESDAY THROUGH SATURDAY/... CIGS 1.0-2.0 KFT WILL LIFT TO 3.0-4.0 KFT THIS AFTN ONCE BETTER MIXING ENSUES. ELY WINDS WILL BCM VRB-LGT SLY THRU WED. WEAKLY- CAPPED AMS WILL GIVE RISE TO SHWRS AND TSTMS THIS AFTN AND EVE... WITH WRN TERMINALS BEING MOST LKLY TO BE IMPACTED THIS AFTN. BWI/IAD/DCA HAVE BETTER CHC OF BEING IMPACTED EARLY THIS EVE. OVNGT LULL IN PCPN XPCD. ALTHOUGH LOW CIG DVLPMT IS VERY UNCERTAIN TNGT...FOG IS A PSBLTY OWING TO CONTD HIGH DEWPT TEMPS. SHWRS AND TSTMS LKLY TO DVLP AGAIN ON WED. HIGH PRESSURE BRIEFLY BUILDS IN ON THURSDAY. FOR THE REMAINDER OF THE WEEK INTO THE WEEKEND...LOW PRESSURE ALOFT WILL REMAIN ACROSS THE EASTERN SEABOARD. MAINLY DIURNAL CONVECTION IS EXPECTED THROUGH THE WEEKEND. && .MARINE... ELY WIND WILL BCM SELY AS WEAK SFC LOPRES DVLPS IN SRN VA. LGT AND VRB WINDS XPCD THIS AFTN THRU WED MRNG BFR THEY INCR SLGTLY FROM THE S. NO HEADLINES XPCD ATTM...ALTHOUGH SLY FLOW MAY RESULT IN BRIEF GUSTS FROM CHANNELING. UPPER-LEVEL LOW PRESSURE WILL REMAIN ACROSS THE EASTERN SEABOARD THROUGH MUCH OF THE WEEK INTO THE WEEKEND. SCT DIURNAL SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY. && .TIDES/COASTAL FLOODING... COASTAL FLOOD ADZY HAS EXPIRED WITH PASSAGE OF HIGH TIDE. AFTN HIGH TIDE IS LWR OF THE TWO DAILY ONES...SO ADDITIONAL FLOODING NOT ANTICIPATED ATTM. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...NONE. && UPDATE...KRAMAR PREV DISCUSSION...KONARIK/LISTEMAA
Hazardous weather outlook, Jul 31, 10:01 AM EST, 1 hour 25 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1101 AM EDT TUE JUL 31 2012 ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 011000- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- PATAPSCO RIVER INCLUDING BALTIMORE HARBOR- CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY- CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER- PATUXENT RIVER TO BROOMES ISLAND MD- TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 1101 AM EDT TUE JUL 31 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF COLUMBIA. .DAY ONE...TODAY AND TONIGHT A FEW THUNDERSTORMS WILL DEVELOP THIS AFTERNOON NEAR THE BLUE RIDGE MOUNTAINS. ONE OR TWO STORMS COULD BECOME SEVERE AND WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504- WVZ050>053-055-501>506-011000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER- NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND- EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- WESTERN PENDLETON-EASTERN PENDLETON- 1101 AM EDT TUE JUL 31 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA... NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND WITH THE EXCEPTION OF GARRETT COUNTY. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL DEVELOP THIS AFTERNOON ALONG AND WEST OF THE BLUE RIDGE MOUNTAINS. A FEW STORMS COULD BECOME SEVERE THIS AFTERNOON AND WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. KRAMAR
In the hours before
Special weather statement, Jul 31, 10:25 AM EST, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1125 AM EDT TUE JUL 31 2012
WVZ501-503-311600-
WESTERN MINERAL WV-WESTERN GRANT WV-
1125 AM EDT TUE JUL 31 2012
...STRONG THUNDERSTORM TO AFFECT WESTERN MINERAL AND WESTERN GRANT
COUNTIES...
AT 1125 AM EDT...A DEVELOPING STRONG THUNDERSTORM WAS LOCATED OVER
MOUNT STORM...MOVING NORTHEAST AT 15 MPH.
LOCATIONS IMPACTED INCLUDE MOUNT STORM...MOUNT PISGAH...EMORYVILLE...
KITZMILLER AND SULPHUR CITY.
WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THIS STORM.
&&
LAT...LON 3936 7911 3920 7923 3925 7932 3931 7931
3931 7929 3932 7929 3936 7925 3937 7922
3939 7920
TIME...MOT...LOC 1525Z 217DEG 12KT 3928 7927
KRAMARSpecial weather statement, Jul 31, 11:11 AM EST, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1211 PM EDT TUE JUL 31 2012
WVZ501-311645-
WESTERN GRANT WV-
1211 PM EDT TUE JUL 31 2012
...STRONG THUNDERSTORM TO AFFECT WESTERN GRANT COUNTY...
AT 1211 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTHWEST
OF MOUNT STORM...MOVING EAST AT 5 MPH.
LOCATIONS IMPACTED INCLUDE BISMARCK AND MOUNT STORM.
WIND GUSTS OF 40 TO 50 MPH AND SMALL HAIL CAN BE EXPECTED WITH THIS
STORM.
&&
LAT...LON 3927 7935 3932 7922 3921 7920 3920 7932
3921 7933
TIME...MOT...LOC 1611Z 250DEG 5KT 3925 7929
KRAMARThe radar
The Sterling radar (KLWX), 157 km away, was scanning. The volume nearest the first event began at 16:24 UTC.
Event by event
2 hail. Local standard time, as filed.
Hail, Grant
- When
- July 31, 11:28 AM EST
- Where
- Grant County, 0.22 mi SW of Bismark
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 39.218, -79.233
Hail up to the size of quarters was reported near Bismark Road and Route 93.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Indiana, July 31, 2012
- Flash Flooding and Damaging Winds in Arizona, July 31, 2012
- Flash Flooding and Hail in New York, July 31, 2012
- Flash Flooding and Damaging Wind in California, July 31, 2012
- Flash Flooding in West Virginia, July 31, 2012
- Flash Flooding in Virginia, July 31, 2012
- Flash Flooding in Nevada, July 31, 2012
- Damaging Winds and Lightning Strike in Pennsylvania, July 31, 2012
- Flash Flooding and Damaging Wind in Arizona, July 31, 2012
- Hail and Damaging Winds in Indiana, July 31, 2012
- Hail and Damaging Winds in Michigan, July 31, 2012
- Damaging Winds in Tennessee, July 31, 2012
More
Every storm in West Virginia in 2012Every state in 2012This day in weather historyWarnings in West Virginia, July 2012
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 404515, 404516.