Alert archive / West Virginia / Flash Flood Warnings in 2011
Flash Flood Warning 67, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Aug 18, 2011, 6:50 PM EDT for Monroe County, West Virginia. It was in force for 4 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 18, 2011, 6:50 PM EDT (22:50 UTC)
- Expired
- Aug 18, 2011, 11:16 PM EDT
- In force
- 4 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Monroe County, WV
The radar
The Roanoke radar (KFCX), 56 km from the middle of the area, began a volume at 22:51 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
Roanoke, VA (KRNK), launched 12:00Z, 10.8 hours before the alert went out and 89 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
- 178 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1253 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
617
WGUS51 KRNK 182250
FFWRNK
WVC063-190445-
/O.NEW.KRNK.FF.W.0067.110818T2250Z-110819T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
650 PM EDT THU AUG 18 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL MONROE COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 1245 AM EDT.
* AT 647 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.
FLOODING MAY OCCUR ALONG TURKEY CREEK AS HEAVY RAINFALL TRAINS
OVER THE REGION.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAUREL
BRANCH AND GAP MILLS.
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.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
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 3756 8037 3749 8034 3744 8043 3744 8044
3759 8058
$$
JH2 follow-up statements
737
WGUS71 KRNK 190002
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
802 PM EDT THU AUG 18 2011
WVC063-190445-
/O.CON.KRNK.FF.W.0067.000000T0000Z-110819T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE WV-
802 PM EDT THU AUG 18 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
CENTRAL MONROE COUNTY...
AT 756 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE VERY HEAVY RAINFALL HAD TAPERED OFF TO LIGHTER SHOWERS
ACROSS THE WARNED AREA. HOWEVER RUNOFF FROM 2 TO 3 INCHES OF RAIN
DURING THE PAST COUPLE OF HOURS MAY CAUSE TURKEY CREEK AND ADJACENT
TRIBUTARIES TO FLOOD SOUTHEAST OF UNION. SOME ADDITIONAL SHOWERS MAY
REDEVELOP OVER THE AREA IN THE NEXT COUPLE OF HOURS BUT SHOULD NOT
BE HEAVY ENOUGH TO CAUSE SIGNIFICANT ADDED RUNOFF THIS EVENING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNION...
LAUREL BRANCH AND GAP MILLS
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3756 8037 3749 8034 3744 8043 3744 8044
3759 8058
$$
JH146
WGUS71 KRNK 190316
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1116 PM EDT THU AUG 18 2011
WVC063-190325-
/O.CAN.KRNK.FF.W.0067.000000T0000Z-110819T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE WV-
1116 PM EDT THU AUG 18 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL MONROE
COUNTY...
SHOWERS HAVE TAPERED OFF ACROSS THE REGION REDUCING THE THREAT FOR
FLOODING. THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3756 8037 3749 8034 3744 8043 3744 8044
3759 8058
$$
JHNearby
Flash Flood Warnings in West 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.