Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 252, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 6, 2012, 4:25 PM EDT for Greenbrier County, Monroe County, West Virginia; Alleghany County, Virginia. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2012, 4:25 PM EDT (20:25 UTC)
- Expired
- Jul 6, 2012, 4:44 PM EDT
- In force
- 19 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Alleghany County, VA, Greenbrier County, WV, Monroe County, WV
The radar
The Roanoke radar (KFCX), 72 km from the middle of the area, began a volume at 20:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 8.4 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 66 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 1532 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
375 WUUS51 KRNK 062025 SVRRNK VAC005-WVC025-063-062130- /O.NEW.KRNK.SV.W.0252.120706T2025Z-120706T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 425 PM EDT FRI JUL 6 2012 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN ALLEGHANY COUNTY IN WEST CENTRAL VIRGINIA NORTHEASTERN MONROE COUNTY IN SOUTHEAST WEST VIRGINIA SOUTHERN GREENBRIER COUNTY IN SOUTHEAST WEST VIRGINIA * UNTIL 530 PM EDT. * AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR EARLEHURST...OR 6 MILES SOUTHEAST OF WHITE SULPHUR SPRINGS. THIS STORM WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... JORDAN MINES... EARLEHURST... GLACE... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF QUARTER OR LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT... 1...8 6 6...2 1 5...4 3 2 4. && LAT...LON 3770 8007 3753 8039 3766 8050 3776 8020 TIME...MOT...LOC 2025Z 090DEG 1KT 3773 8023 $$ RCS
1 follow-up statement
551 WWUS51 KRNK 062044 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 444 PM EDT FRI JUL 6 2012 VAC005-WVC025-063-062054- /O.CAN.KRNK.SV.W.0252.000000T0000Z-120706T2130Z/ ALLEGHANY VA-MONROE WV-GREENBRIER WV- 444 PM EDT FRI JUL 6 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ALLEGHANY... NORTHEASTERN MONROE AND SOUTHERN GREENBRIER COUNTIES IS CANCELLED... THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND EXITED THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED. TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN BLACKSBURG AT...1 8 6 6...2 1 5...4 3 2 4. LAT...LON 3770 8007 3753 8039 3766 8050 3776 8020 TIME...MOT...LOC 2044Z 090DEG 1KT 3773 8024 $$ RCS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:02 PM EDT | Severe Thunderstorm Warning | RNK | Greenbrier, Monroe | 41 min |
| Jul 6, 3:59 AM EDT | Excessive Heat Watch | RNK | Buckingham | 23 hr |
| Jul 6, 3:59 AM EDT | Heat Advisory | RNK | Amherst, Appomattox, Buckingham, Campbell, Charlotte, Halifax and 5 more | 40 hr |
| Jul 6, 10:27 AM EDT | Special Weather Statement | RNK | Amherst, City of Buena Vista | 48 min |
| Jul 6, 2:26 PM EDT | Special Weather Statement | RNK | Carroll | 34 min |
| Jul 6, 3:46 PM EDT | Special Weather Statement | RNK | Alleghany | 29 min |
| Jul 6, 4:54 PM EDT | Special Weather Statement | RNK | Craig | 36 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2012Severe Thunderstorm Warnings in Virginia, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.