Alert archive / Virginia / Flash Flood Warnings in 2011
Flash Flood Warning 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Mar 10, 2011, 3:05 PM EST for 5 counties in Virginia. It was in force for 5 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
- Mar 10, 2011, 3:05 PM EST (20:05 UTC)
- Expired
- Mar 10, 2011, 8:17 PM EST
- In force
- 5 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Amherst County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Lexington, VA, Rockbridge County, VA
The radar
The Roanoke radar (KFCX), 96 km from the middle of the area, began a volume at 20:07 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 |
|---|---|---|---|
| Mar 10, 3:30 PM EST | FLASH FLOOD | 1 Ssw Lithia, VA | RT 64 LITHIA RD CLOSED DUE TO FLOODING FROM BACK CREEK |
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, 8.1 hours before the alert went out and 47 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
- 8 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
978
WGUS51 KRNK 102005
FFWRNK
VAC009-023-163-530-678-110200-
/O.NEW.KRNK.FF.W.0001.110310T2005Z-110311T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
305 PM EST THU MAR 10 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA
CITY OF BUENA VISTA IN WEST CENTRAL VIRGINIA
CITY OF LEXINGTON IN WEST CENTRAL VIRGINIA
BOTETOURT COUNTY IN WEST CENTRAL VIRGINIA
AMHERST COUNTY IN CENTRAL VIRGINIA
* UNTIL 900 PM EST.
* AT 303 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A CLUSTER OF THUNDERSTORMS MOVING INTO THE
WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORISKANY...
LEXINGTON CITY...VESUVIUS...ROCKBRIDGE BATHS...NATURAL BRIDGE...
GOSHEN...GLASGOW...FAIRFIELD...CORNWALL...COLLIERSTOWN...
BROWNSBURG...BELLS VALLEY...ORONOCO...NEW GLASGOW...LOWESVILLE...
FORKS OF BUFFALO...CLIFFORD...ALTO...GLEN WILTON...GALA...EAGLE
ROCK AND BUENA VISTA CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
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.
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 3789 7916 3782 7916 3779 7909 3753 7890
3740 7909 3751 7923 3750 7926 3762 7944
3757 7944 3747 7959 3749 7967 3741 7981
3733 7985 3742 8004 3755 7997 3763 8002
3779 7981 3776 7966 3805 7947
$$
JJ2 follow-up statements
614
WGUS71 KRNK 102156
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
456 PM EST THU MAR 10 2011
VAC009-023-163-530-678-110200-
/O.CON.KRNK.FF.W.0001.000000T0000Z-110311T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKBRIDGE VA-CITY OF BUENA VISTA VA-CITY OF LEXINGTON VA-
BOTETOURT VA-AMHERST VA-
456 PM EST THU MAR 10 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EST FOR THE
CITY OF BUENA VISTA...THE CITY OF LEXINGTON... AMHERST...BOTETOURT
AND ROCKBRIDGE COUNTIES...
AT 447 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THUNDERSTORM WITH HEAVY RAINFALL HAD MOVED OUT OF THE AREA.
HOWEVER...RUNOFF FROM THE HEAVY RAIN IS CAUSING SMALL STREAMS TO
COME OUT OF THEIR BANKS. IN ADDITION...RADAR SHOWS MORE MODERATE TO
HEAVY RAIN WILL MOVE INTO THE WARNED AREA THROUGH 600 PM.
ROUTE 640...LITHIA RD...WAS REPORTED CLOSED BY BACK CREEK IN EASTERN
BOTETOURT COUNTY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEXINGTON
CITY...VESUVIUS...ROCKBRIDGE BATHS...NATURAL BRIDGE...GOSHEN...
GLASGOW...FAIRFIELD...CORNWALL...COLLIERSTOWN...BROWNSBURG...BELLS
VALLEY...PLEASANT VIEW...ORONOCO...NEW GLASGOW...LOWESVILLE...FORKS
OF BUFFALO...CLIFFORD...ALTO...ORISKANY...GLEN WILTON...GALA...EAGLE
ROCK AND BUENA VISTA CITY
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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EST
THURSDAY EVENING FOR NORTH CENTRAL NORTH CAROLINA AND SOUTH CENTRAL
VIRGINIA.
&&
LAT...LON 3789 7916 3782 7916 3779 7909 3753 7890
3740 7909 3751 7923 3750 7926 3762 7944
3757 7944 3747 7959 3749 7967 3741 7981
3733 7985 3742 8004 3755 7997 3763 8002
3779 7981 3776 7966 3805 7947
$$
JJ649
WGUS71 KRNK 110117
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
817 PM EST THU MAR 10 2011
VAC009-023-163-530-678-110126-
/O.CAN.KRNK.FF.W.0001.000000T0000Z-110311T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKBRIDGE VA-CITY OF BUENA VISTA VA-CITY OF LEXINGTON VA-
BOTETOURT VA-AMHERST VA-
817 PM EST THU MAR 10 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE CITY OF BUENA
VISTA...THE CITY OF LEXINGTON... AMHERST...BOTETOURT AND ROCKBRIDGE
COUNTIES...
REPORTS FROM COUNTY OFFICIALS INDICATED THAT WATER WAS RECEDING IN
ALL AREAS WHERE IT HAD FLOODED EARLIER. STREAMS IN THE AREA WILL
STILL RISE SOME THIS EVENING BEFORE RECEDING OVERNIGHT. THE HEAVY
RAIN THREAT HAS ALSO ENDED...THEREFORE...THE FLASH FLOOD WARNING HAS
BEEN CANCELLED.
LAT...LON 3789 7916 3782 7916 3779 7909 3753 7890
3740 7909 3751 7923 3750 7926 3762 7944
3757 7944 3747 7959 3749 7967 3741 7981
3733 7985 3742 8004 3755 7997 3763 8002
3779 7981 3776 7966 3805 7947
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 4:09 AM EST | Winter Weather Advisory | RNK | Bland, Grayson, Smyth, Tazewell | 33 hr |
| Mar 10, 12:33 PM EST | Special Weather Statement | RNK | Craig, Giles | 57 min |
| Mar 10, 1:09 PM EST | Special Weather Statement | RNK | Montgomery, Roanoke, City of Roanoke, City of Salem | 66 min |
| Mar 10, 1:56 PM EST | Special Weather Statement | RNK | Campbell, Pittsylvania, City of Danville | 64 min |
| Mar 10, 1:57 PM EST | Special Weather Statement | RNK | Botetourt, Rockbridge, City of Buena Vista, City of Lexington, City of Roanoke | 48 min |
| Mar 10, 2:47 PM EST | Special Weather Statement | RNK | Amherst, Appomattox, Buckingham, Campbell, Charlotte, Rockbridge and 3 more | 58 min |
| Mar 10, 3:38 PM EST | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 41 min |
| Mar 10, 3:41 PM EST | Areal Flood Advisory | RNK | Carroll, Floyd, Franklin, Patrick | 4 hr |
| Mar 10, 4:16 PM EST | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham | 46 min |
Nearby
Flash Flood Warnings in Virginia, 2011Every flash flood warning in 2011
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.