Alert archive / Virginia / Flash Flood Warnings in 2008
Flash Flood Warning 49, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Aug 27, 2008, 7:51 AM EDT for Patrick County, Virginia. It was in force for 5 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
- Aug 27, 2008, 7:51 AM EDT (11:51 UTC)
- Expired
- Aug 27, 2008, 1:17 PM EDT
- In force
- 5 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Patrick County, VA
The radar
The Roanoke radar (KFCX), 35 km from the middle of the area, began a volume at 11:51 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.9 hours before the alert went out and 78 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
- 148 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KRNK 271151
FFWRNK
VAC141-271745-
/O.NEW.KRNK.FF.W.0049.080827T1151Z-080827T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
751 AM EDT WED AUG 27 2008
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
PATRICK COUNTY IN SOUTHWEST VIRGINIA
* UNTIL 145 PM EDT.
* AT 746 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY
KNOB RECREATION AREA...WOOLWINE...MEADOWS OF DAN...STUART...
CHARITY AND BUFFALO RIDGE.
RAINFALL OVERNIGHT HAS BEEN 3 TO 4 INCHES. ADDITIONAL RAINFALL
AMOUNTS OF 1 TO 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.
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 3656 8050 3673 8044 3675 8039 3677 8039
3682 8034 3687 8024 3684 8008 3676 8009
3656 8005 3655 8019
$$
JJ3 follow-up statements
000
WGUS71 KRNK 271255
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
855 AM EDT WED AUG 27 2008
VAC141-271745-
/O.CON.KRNK.FF.W.0049.000000T0000Z-080827T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATRICK VA-
855 AM EDT WED AUG 27 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
PATRICK COUNTY...
AT 846 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN HAD TAPERED OFF IN MOST AREAS. HOWEVER...ADDITIONAL
SHOWERS...AND POSSIBLY THUNDERSTORMS...ARE EXPECTED TO MOVE BACK
INTO PATRICK COUNTY LATER THIS MORNING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY KNOB
RECREATION AREA...WOOLWINE...MEADOWS OF DAN...CHARITY AND BUFFALO
RIDGE.
CREEKS WHICH MAY BE FLOODING INCLUDE GOBLINTOWN CREEK...SYCAMORE
CREEK...POORHOUSE CREEK...IVY CREEK...ROUND MEADOW CREEK...SPOON
CREEK AND ANGLIN CREEK.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD
CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
LAT...LON 3656 8050 3673 8044 3675 8039 3677 8039
3682 8034 3687 8024 3684 8008 3676 8009
3656 8005 3655 8019
$$
JJ000
WGUS71 KRNK 271446
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1046 AM EDT WED AUG 27 2008
VAC141-271745-
/O.CON.KRNK.FF.W.0049.000000T0000Z-080827T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATRICK VA-
1046 AM EDT WED AUG 27 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
PATRICK COUNTY...
AT 1037 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAIN MOVING BACK INTO THE WARNED AREA. THIS WILL
CAUSE ADDITIONAL RISES ON CREEKS AND SMALL STREAMS IN THE AREA.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY KNOB
RECREATION AREA...WOOLWINE...MEADOWS OF DAN...CHARITY AND BUFFALO
RIDGE
CREEKS WHICH MAY BE FLOODING INCLUDE GOBLINTOWN CREEK...SYCAMORE
CREEK...POORHOUSE CREEK...IVY CREEK...ROUND MEADOW CREEK...SPOON
CREEK AND ANGLIN CREEK.
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.
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 3656 8050 3673 8044 3675 8039 3677 8039
3682 8034 3687 8024 3684 8008 3676 8009
3656 8005 3655 8019
$$
JJ000
WGUS71 KRNK 271717
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
117 PM EDT WED AUG 27 2008
VAC141-271727-
/O.CAN.KRNK.FF.W.0049.000000T0000Z-080827T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATRICK VA-
117 PM EDT WED AUG 27 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR PATRICK COUNTY...
HEAVY RAIN HAS ENDED OVER THE WARNED AREA. THERE HAVE BEEN NO
REPORTS OF FLOODING...THUS THE FLASH FLOOD WARNING HAS BEEN
CANCELLED.
PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD
CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
LAT...LON 3656 8050 3673 8044 3675 8039 3677 8039
3682 8034 3687 8024 3684 8008 3676 8009
3656 8005 3655 8019
$$
JJThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:16 AM EDT | Flash Flood Warning | RNK | Henry, Pittsylvania, City of Danville, City of Martinsville | 6 hr |
| Aug 27, 9:33 AM EDT | Wind Advisory | RNK | Bland, Grayson, Smyth, Tazewell | 6 hr |
| Aug 27, 2:00 PM EDT | Flash Flood Warning | RNK | Halifax, Pittsylvania, City of Danville | 6 hr |
| Aug 27, 7:58 PM EDT | Flash Flood Warning | RNK | Halifax, Pittsylvania | 6 hr |
Nearby
Flash Flood Warnings in Virginia, 2008Every flash flood warning in 2008
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.