Alert archive / Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 15, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 26, 2012, 7:00 PM EDT for Mercer County, West Virginia; Bland County, Tazewell County, Virginia. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 2012, 7:00 PM EDT (23:00 UTC)
- Expired
- Apr 27, 2012, 1:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bland County, VA, Tazewell County, VA, Mercer County, WV
The radar
The Roanoke radar (KFCX), 93 km from the middle of the area, began a volume at 23:01 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, 11.0 hours before the alert went out and 158 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
- 802 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -140 m²/s²
- 0-3 km storm-relative helicity
- -105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
549
WGUS51 KRNK 262300
FFWRNK
VAC021-185-WVC055-270500-
/O.NEW.KRNK.FF.W.0015.120426T2300Z-120427T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
700 PM EDT THU APR 26 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN TAZEWELL COUNTY IN SOUTHWEST VIRGINIA
BLAND COUNTY IN SOUTHWEST VIRGINIA
SOUTHWESTERN MERCER COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 100 AM EDT FRIDAY.
* AT 656 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINNACLE
ROCK STATE PARK...SANDLICK...COALDALE...CERES...BRAMWELL...
MONTCALM...BLUEFIELD...POCAHONTAS AND BOISSEVAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE IN THE WARNED
AREA.
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.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
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 3722 8154 3726 8149 3728 8142 3731 8140
3733 8138 3738 8135 3733 8102 3728 8099
3727 8101 3721 8093 3701 8134
$$
AMS2 follow-up statements
335
WGUS71 KRNK 270303
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1103 PM EDT THU APR 26 2012
VAC021-185-WVC055-270500-
/O.CON.KRNK.FF.W.0015.000000T0000Z-120427T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-BLAND VA-MERCER WV-
1103 PM EDT THU APR 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR
NORTHEASTERN TAZEWELL...BLAND AND SOUTHWESTERN MERCER COUNTIES...
AT 1029 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINNACLE ROCK
STATE PARK...SANDLICK...COALDALE...CERES...BRAMWELL...BLUEFIELD...
MONTCALM. ...POCAHONTAS AND BOISSEVAIN.
EXPECT FLOODING ALONG MUD FORK CREEK ON ROUTE 643...MUDD FORK
ROAD...LOOP ROAD AND ROUTE 102 NEAR FALLS MILLS...AND ALONG LAUREL
FORK ON ROUTE 644 NEAR POCAHONTAS.
TRIBUTARIES FLOWING INTO THE BLUESTONE RIVER ARE ALSO EXPECTED TO
FLOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD
CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
&&
LAT...LON 3722 8154 3726 8149 3728 8142 3731 8140
3733 8138 3738 8135 3733 8102 3728 8099
3727 8101 3721 8093 3701 8134
$$
AMS246
WGUS71 KRNK 270457
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1257 AM EDT FRI APR 27 2012
VAC021-185-WVC055-270503-
/O.EXP.KRNK.FF.W.0015.000000T0000Z-120427T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-BLAND VA-MERCER WV-
1257 AM EDT FRI APR 27 2012
...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN TAZEWELL...
BLAND AND SOUTHWESTERN MERCER COUNTIES...
RUNOFF FROM THIS EVENINGS HEAVY RAINFALL CONTINUES TO RESULT IN
SWOLLEN STREAMS AND CREEKS. ROADS WHICH HAVE LOW WATER CROSSINGS
WILL LIKELY BE CLOSED THROUGH THE REMAINDER OF THE NIGHT. THE RAIN
HAS EXITED THE WARNED AREA...THEREFORE THE FLASH FLOOD WARNING WILL
BE ALLOWED TO EXPIRE AT 100 AM. HOWEVER...WITH CREEKS AND STREAMS
RUNNING HIGH...A FLOOD WARNING HAS BEEN ISSUED FOR THE BLUEFIELD
AREA...ESPECIALLY ALONG THE BLUESTONE RIVER.
LAT...LON 3722 8154 3726 8149 3728 8142 3731 8140
3733 8138 3738 8135 3733 8102 3728 8099
3727 8101 3721 8093 3701 8134
$$
RCSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 2:39 AM EDT | Special Weather Statement | RNK | Greenbrier | 36 min |
| Apr 26, 3:55 AM EDT | Special Weather Statement | RNK | Greenbrier, Summers | 35 min |
| Apr 26, 4:31 AM EDT | Special Weather Statement | RNK | Mercer, Monroe | 29 min |
| Apr 26, 11:54 AM EDT | Areal Flood Advisory | RNK | Greenbrier, Mercer, Summers | 3 hr |
| Apr 26, 2:53 PM EDT | Areal Flood Advisory | RNK | Greenbrier, Mercer, Summers | 3 hr |
| Apr 26, 6:16 PM EDT | Severe Thunderstorm Warning | RNK | Mercer | 59 min |
| Apr 26, 6:25 PM EDT | Special Weather Statement | RNK | Greenbrier | 65 min |
| Apr 26, 6:34 PM EDT | Flash Flood Warning | RNK | Mercer, Summers | 6 hr |
| Apr 26, 6:51 PM EDT | Flash Flood Warning | RNK | Greenbrier, Summers | 6 hr |
| Apr 26, 7:10 PM EDT | Severe Thunderstorm Warning | RNK | Mercer | 65 min |
| Apr 26, 7:26 PM EDT | Special Weather Statement | RNK | Monroe | 64 min |
| Apr 26, 7:53 PM EDT | Severe Thunderstorm Warning | RNK | Monroe | 52 min |
| Apr 25, 11:39 PM EDT | Special Weather Statement | RNK | Bland | 36 min |
| Apr 25, 11:52 PM EDT | Severe Thunderstorm Warning | RNK | Smyth, Tazewell | 23 min |
| Apr 26, 12:17 AM EDT | Special Weather Statement | RNK | Smyth | 28 min |
| Apr 26, 12:39 AM EDT | Special Weather Statement | RNK | Grayson, City of Galax | 36 min |
| Apr 26, 1:15 AM EDT | Special Weather Statement | RNK | Patrick | 15 min |
| Apr 26, 2:38 AM EDT | Special Weather Statement | RNK | Carroll | 37 min |
| Apr 26, 4:56 AM EDT | Special Weather Statement | RNK | Bland, Botetourt, Craig, Giles, Montgomery, Pulaski and 5 more | 34 min |
| Apr 26, 7:59 AM EDT | Areal Flood Advisory | RNK | Tazewell | 3 hr |
| Apr 26, 8:31 AM EDT | Special Weather Statement | RNK | Smyth | 59 min |
| Apr 26, 8:45 AM EDT | Severe Thunderstorm Warning | RNK | Grayson | 60 min |
| Apr 26, 8:57 AM EDT | Severe Thunderstorm Warning | RNK | Bland, Grayson, Smyth, Tazewell, Wythe | 63 min |
| Apr 26, 9:18 AM EDT | Special Weather Statement | RNK | Carroll, Grayson, City of Galax | 27 min |
| Apr 26, 9:31 AM EDT | Special Weather Statement | RNK | Bland, Wythe | 29 min |
| Apr 26, 10:42 AM EDT | Special Weather Statement | RNK | Henry, City of Danville | 63 min |
| Apr 26, 11:09 AM EDT | Areal Flood Advisory | RNK | Tazewell | 3 hr |
| Apr 26, 12:44 PM EDT | Areal Flood Advisory | RNK | Alleghany, Bath, City of Covington | 6 hr |
| Apr 26, 2:03 PM EDT | Areal Flood Advisory | RNK | Tazewell | 6 hr |
| Apr 26, 7:56 PM EDT | Special Weather Statement | RNK | Bath | 64 min |
Nearby
Flash Flood Warnings in Virginia, 2012Flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.