Alert archive / West Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 26, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at May 17, 2012, 3:48 PM EDT for Greenbrier County, West Virginia. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 17, 2012, 3:48 PM EDT (19:48 UTC)
- Expired
- May 17, 2012, 6:39 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Greenbrier County, WV
The radar
The Charleston,WV radar (KRLX), 103 km from the middle of the area, began a volume at 19:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 17, 4:40 PM EDT | FLASH FLOOD | 5 S Rupert, WV | CALLAHAN BRANCH OUT OF BANKS FLOODING METHODIST BRANCH RD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 7.8 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1277 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
253 WGUS51 KRNK 171948 FFWRNK WVC025-180145- /O.NEW.KRNK.FF.W.0026.120517T1948Z-120518T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 348 PM EDT THU MAY 17 2012 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL GREENBRIER COUNTY IN SOUTHEAST WEST VIRGINIA * UNTIL 945 PM EDT. * AT 341 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RUPERT AND MEADOW BLUFF. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME. && LAT...LON 3795 8072 3801 8051 3783 8061 3783 8074 $$ JH
2 follow-up statements
689 WGUS71 KRNK 172140 FFSRNK FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 540 PM EDT THU MAY 17 2012 WVC025-180145- /O.CON.KRNK.FF.W.0026.000000T0000Z-120518T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENBRIER WV- 540 PM EDT THU MAY 17 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR WESTERN GREENBRIER COUNTY... AT 532 PM EDT...SHOWERS AND THUNDERSTORMS HAD TAPERED OFF ACROSS THE WARNED AREA. HOWEVER RUNOFF FROM THE EARLIER HEAVY RAIN MAY STILL CAUSE SOME FLOODING BETWEEN SMOOT AND MEADOW BLUFF...PARTICULARLY NEAR INTERSTATE 64. METHODIST BRANCH ROAD WAS REPORTED FLOODED SHORTLY AFTER 430 PM. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RUPERT AND SMOOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. && LAT...LON 3795 8072 3801 8051 3783 8061 3783 8074 $$ JH
972 WGUS71 KRNK 172239 FFSRNK FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 639 PM EDT THU MAY 17 2012 WVC025-172247- /O.CAN.KRNK.FF.W.0026.000000T0000Z-120518T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GREENBRIER WV- 639 PM EDT THU MAY 17 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN GREENBRIER COUNTY... SHOWERS AND THUNDERSTORMS HAVE ENDED ACROSS THE AREA AND ONLY ISOLATED SHOWERS ARE EXPECTED THE REMAINDER OF THE EVENING. WATER LEVELS IN THE AREA OF EARLIER FLOODING SHOULD HAVE ALSO RECEDED SO THE WARNING HAS BEEN CANCELLED. LAT...LON 3795 8072 3801 8051 3783 8061 3783 8074 $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 3:17 PM EDT | Special Weather Statement | RNK | Greenbrier | 58 min |
| May 17, 5:33 PM EDT | Special Weather Statement | RNK | Monroe | 27 min |
| May 17, 5:45 PM EDT | Severe Thunderstorm Warning | RNK | Monroe | 45 min |
| May 17, 6:14 PM EDT | Areal Flood Advisory | RNK | Monroe | 6 hr |
Nearby
Flash Flood Warnings in West Virginia, 2012Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.