Alert archive / Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 40, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 31, 2012, 3:36 PM EDT for Tazewell County, Virginia. It was in force for 6 hr. 4 reports 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
- Jul 31, 2012, 3:36 PM EDT (19:36 UTC)
- Expired
- Jul 31, 2012, 9:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Tazewell County, VA
The radar
The Roanoke radar (KFCX), 133 km from the middle of the area, began a volume at 19:37 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 |
|---|---|---|---|
| Jul 31, 4:08 PM EDT | FLASH FLOOD | 1 W Richlands, VA | 6 TO 8 INCHES OF WATER ACROSS ROUTE 460 ON WEST END OF RICHLANDS. |
| Jul 31, 4:25 PM EDT | FLASH FLOOD | 1 W Richlands, VA | SPOTTER ON EAGLE STREET REPORTS WATER ROSE SEVERAL FEET IN SMALL CREEK AND OVERFLOWED A WALK BRIDGE ON NEIGHBORS PROPERTY. |
| Jul 31, 4:30 PM EDT | FLASH FLOOD | 1 Wnw Richlands, VA | BRAGG ROAD CLOSED DUE TO FLOODING. 6 TO 12 INCHES OF WATER WAS FLOWING OVER THE ROAD. |
| Jul 31, 4:40 PM EDT | FLASH FLOOD | 1 Ssw Richlands, VA | SPOTTER REPORTS ROUTE 609 IN RICHLANDS CLOSED DUE TO 1 TO 2 FEET OF WATER FLOWING OVER ROAD. |
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, 7.6 hours before the alert went out and 201 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
- 384 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
931
WGUS51 KRNK 311936
FFWRNK
VAC185-010130-
/O.NEW.KRNK.FF.W.0040.120731T1936Z-120801T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
336 PM EDT TUE JUL 31 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN TAZEWELL COUNTY IN SOUTHWEST VIRGINIA
* UNTIL 930 PM EDT.
* AT 329 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 JEWELL
RIDGE...GLEN BURKE...BANDY...RICHLANDS AND AMONATE. WATCH FOR
FLOODING ALONG MUDLICK CREEK.
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.
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 3715 8188 3718 8187 3719 8179 3722 8176
3721 8156 3723 8152 3697 8161 3696 8170
3698 8172 3696 8178 3705 8183 3710 8189
3715 8191
$$
KK2 follow-up statements
433
WGUS71 KRNK 312025
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
425 PM EDT TUE JUL 31 2012
VAC185-010130-
/O.CON.KRNK.FF.W.0040.000000T0000Z-120801T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-
425 PM EDT TUE JUL 31 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
WESTERN TAZEWELL COUNTY...
AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED
AREA. THE THUNDERSTORM WAS MOVING EAST AT 10 MPH. RADAR ESTIMATED
RAINFALL AMOUNTS OF ONE TO THREE INCHES OF RAIN PER HOUR ARE
POSSIBLE IN THE PATH OF THE STORM.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JEWELL
RIDGE...GLEN BURKE...BANDY...RICHLANDS AND AMONATE.
LOCAL LAW ENFORCEMENT REPORTED 6 TO 8 INCHES OF WATER ACROSS ROUTE
460 ON THE WEST END OF RICHLANDS. WATCH FOR FLOODING ALONG MUDLICK
CREEK AND COAL CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3715 8188 3718 8187 3719 8179 3722 8176
3721 8156 3723 8152 3697 8161 3696 8170
3698 8172 3696 8178 3705 8183 3710 8189
3715 8191
$$
KK497
WGUS71 KRNK 010115
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
915 PM EDT TUE JUL 31 2012
VAC185-010122-
/O.CAN.KRNK.FF.W.0040.000000T0000Z-120801T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAZEWELL VA-
915 PM EDT TUE JUL 31 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN TAZEWELL
COUNTY...
ALTHOUGH A FEW SHOWERS LINGER IN THE AREA...THE WIDESPREAD HEAVY
RAIN AND THUNDERSTORMS OF EARLIER HAVE MOVED OUT OF THE AREA. MOST
CREEKS AND STREAMS SHOULD BE BACK WITHIN THEIR BANKS AT THIS TIME.
THUS...THE FLASH FLOOD WARNING ISSUED EARLIER IS BEING CANCELLED.
IF YOU EXPERIENCED FLOODING FROM THIS EVENT...PLEASE CALL THE
NATIONAL WEATHER SERVICE IN BLACKSBURG VIRGINIA BY CALLING TOLL
FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
LAT...LON 3715 8188 3718 8187 3719 8179 3722 8176
3721 8156 3723 8152 3697 8161 3696 8170
3698 8172 3696 8178 3705 8183 3710 8189
3715 8191
$$
RABThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:16 PM EDT | Severe Thunderstorm Warning | RNK | Halifax, Pittsylvania | 59 min |
| Jul 30, 9:24 PM EDT | Special Weather Statement | RNK | Pittsylvania | 66 min |
| Jul 31, 1:08 PM EDT | Special Weather Statement | RNK | Grayson, Smyth | 67 min |
| Jul 31, 3:02 PM EDT | Special Weather Statement | RNK | Roanoke | 58 min |
| Jul 31, 3:12 PM EDT | Special Weather Statement | RNK | Tazewell | 63 min |
| Jul 31, 3:44 PM EDT | Special Weather Statement | RNK | Bath | 61 min |
| Jul 31, 4:01 PM EDT | Special Weather Statement | RNK | Montgomery, City of Radford | 59 min |
| Jul 31, 7:06 PM EDT | Special Weather Statement | RNK | Bath | 54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.