Alert archive / Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 34, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jun 21, 2012, 7:21 PM EDT for 4 counties in Virginia. It was in force for 116 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
- Jun 21, 2012, 7:21 PM EDT (23:21 UTC)
- Expired
- Jun 21, 2012, 9:17 PM EDT
- In force
- 116 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Amherst County, VA, Bedford County, VA, Campbell County, VA, City of Lynchburg, VA
The radar
The Roanoke radar (KFCX), 106 km from the middle of the area, began a volume at 23:21 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, 11.4 hours before the alert went out and 36 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
- 83 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1273 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
368 WGUS51 KRNK 212321 FFWRNK VAC009-019-031-680-220215- /O.NEW.KRNK.FF.W.0034.120621T2321Z-120622T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 721 PM EDT THU JUN 21 2012 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME NORTHEASTERN BEDFORD COUNTY IN VIRGINIA... EXTREME SOUTHWESTERN AMHERST COUNTY IN VIRGINIA... CITY OF LYNCHBURG IN VIRGINIA... EXTREME NORTHWESTERN CAMPBELL COUNTY IN VIRGINIA... * UNTIL 1015 PM EDT * AT 717 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS WERE PRODUCING HEAVY RAIN IN THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE LYNCHBURG CITY... BOCOCK... MADISON HEIGHTS... BOONSBORO... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...HARRIS CREEK... JAMES RIVER...WIDEMOUTH CREEK...WILLIAMS RUN...IVY CREEK... BLACKWATER CREEK...BURTON CREEK...DREAMING CREEK...FISHING CREEK... BUFFALO CREEK AND FLAT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...AS WELL AS LOW LYING AREAS ON ROADWAYS AND UNDERPASSES. IF YOU ENCOUNTER A WATER COVERED ROAD...TURN AROUND DON'T DROWN! STAY AWAY FROM DRAINAGE DITCHES AND STORM SEWERS. RESIDENTS ALONG CREEKS AND STREAMS SHOULD MOVE TO HIGHER GROUND. WHEN IT IS SAFE TO DO SO...PLEASE RELAY ANY REPORTS OF FLOODING... INCLUDING MUDSLIDES OR ROCKSLIDES...OR ANY ROADS CLOSED BECAUSE OF HIGH WATER...TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE. && LAT...LON 3738 7908 3732 7924 3744 7929 3749 7919 $$
2 follow-up statements
741 WGUS71 KRNK 212357 FFSRNK FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 757 PM EDT THU JUN 21 2012 VAC009-019-031-680-220215- /O.CON.KRNK.FF.W.0034.000000T0000Z-120622T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BEDFORD VA-AMHERST VA-CITY OF LYNCHBURG VA-CAMPBELL VA- 757 PM EDT THU JUN 21 2012 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR EXTREME NORTHEASTERN BEDFORD...EXTREME SOUTHWESTERN AMHERST AND EXTREME NORTHWESTERN CAMPBELL COUNTIES AND THE CITY OF LYNCHBURG... AT 757 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN DUE TO A THUNDERSTORM. UP TO TWO INCHES OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE LYNCHBURG CITY... BOCOCK... MADISON HEIGHTS... BOONSBORO... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...HARRIS CREEK... JAMES RIVER...WIDEMOUTH CREEK...WILLIAMS RUN...IVY CREEK... BLACKWATER CREEK...BURTON CREEK...DREAMING CREEK...FISHING CREEK... BUFFALO CREEK AND FLAT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND DON'T DROWN! NEVER TRY TO CROSS A FLOWING STREAM ON FOOT. WHEN IT IS SAFE TO DO SO...PLEASE RELAY ANY REPORTS OF FLOODING... INCLUDING MUDSLIDES OR ROCKSLIDES...OR ANY ROADS CLOSED BECAUSE OF HIGH WATER...TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE. && LAT...LON 3738 7908 3732 7924 3744 7929 3749 7919 $$
788 WGUS71 KRNK 220117 FFSRNK FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 917 PM EDT THU JUN 21 2012 VAC680-019-031-009-220127- /O.CAN.KRNK.FF.W.0034.000000T0000Z-120622T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BEDFORD VA-AMHERST VA-CITY OF LYNCHBURG VA-CAMPBELL VA- 917 PM EDT THU JUN 21 2012 ...THE FLASH FLOOD WARNING FOR EXTREME NORTHEASTERN BEDFORD...EXTREME SOUTHWESTERN AMHERST AND EXTREME NORTHWESTERN CAMPBELL COUNTIES AND THE CITY OF LYNCHBURG IS CANCELLED... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 3738 7908 3732 7924 3744 7929 3749 7919 $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 2:00 PM EDT | Special Weather Statement | RNK | Bath | 45 min |
| Jun 21, 2:29 PM EDT | Special Weather Statement | RNK | Bath | 46 min |
| Jun 21, 4:25 PM EDT | Special Weather Statement | RNK | Wythe | 50 min |
| Jun 21, 4:41 PM EDT | Special Weather Statement | RNK | Buckingham | 34 min |
| Jun 21, 4:53 PM EDT | Special Weather Statement | RNK | Montgomery | 37 min |
| Jun 21, 4:56 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 34 min |
| Jun 21, 5:03 PM EDT | Special Weather Statement | RNK | Carroll | 27 min |
| Jun 21, 5:34 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 41 min |
| Jun 21, 6:14 PM EDT | Special Weather Statement | RNK | City of Roanoke | 46 min |
| Jun 21, 6:17 PM EDT | Special Weather Statement | RNK | Floyd | 43 min |
| Jun 21, 6:28 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Campbell, City of Lynchburg | 32 min |
| Jun 21, 6:38 PM EDT | Special Weather Statement | RNK | Smyth, Tazewell | 67 min |
| Jun 21, 6:46 PM EDT | Severe Thunderstorm Warning | RNK | Bland, Smyth, Tazewell, Wythe | 59 min |
| Jun 21, 7:01 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Campbell, City of Lynchburg | 42 min |
| Jun 21, 7:10 PM EDT | Areal Flood Advisory | RNK | Amherst, Bedford, Campbell, City of Lynchburg | 3 hr |
| Jun 21, 7:15 PM EDT | Special Weather Statement | RNK | Campbell | 45 min |
| Jun 21, 7:44 PM EDT | Special Weather Statement | RNK | Appomattox | 46 min |
Nearby
Flash Flood Warnings in 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.