Alert archive / West Virginia / Flash Flood Warnings in 2011
Flash Flood Warning 45, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Aug 19, 2011, 6:35 AM EDT for Calhoun County, Roane County, West Virginia. It was in force for 115 min. 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 19, 2011, 6:35 AM EDT (10:35 UTC)
- Expired
- Aug 19, 2011, 8:30 AM EDT
- In force
- 115 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calhoun County, WV, Roane County, WV
The radar
The Charleston,WV radar (KRLX), 74 km from the middle of the area, began a volume at 10:35 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
Pittsburgh, PA (KPIT), launched 00:00Z, 10.6 hours before the alert went out and 198 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
- 201 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1889 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
301
WGUS51 KRLX 191035
FFWRLX
WVC013-087-191230-
/O.NEW.KRLX.FF.W.0045.110819T1035Z-110819T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
635 AM EDT FRI AUG 19 2011
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL CALHOUN COUNTY IN WEST VIRGINIA...
NORTH CENTRAL ROANE COUNTY IN WEST VIRGINIA...
* UNTIL 830 AM EDT
* AT 630 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.
* THE STORM PRODUCING VERY HEAVY RAIN WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF THE INDICATED COUNTIES.
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.
&&
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3887 8134 3890 8133 3891 8129 3893 8124
3891 8116 3880 8114 3883 8133
$$
031 follow-up statement
880
WGUS71 KRLX 191222
FFSRLX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
822 AM EDT FRI AUG 19 2011
WVC013-087-191231-
/O.EXP.KRLX.FF.W.0045.000000T0000Z-110819T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALHOUN WV-ROANE WV-
822 AM EDT FRI AUG 19 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 830 AM EDT FOR NORTH
CENTRAL ROANE AND WEST CENTRAL CALHOUN COUNTIES...
THE HEAVY RAIN THAT PROMPTED THE WARNING MOVED EAST OF THE AREA...
AND HEAVY RAIN IS NO LONGER ANTICIPATED. THEREFORE THE FLASH FLOOD
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. STREAMS AND
CREEKS HAVE BEGUN TO RECEDE AND NO LONGER POSE A FLASH FLOOD THREAT.
TURN AROUND DON'T DROWN. DO NOT DRIVE YOUR CAR ON FLOODED ROADWAYS.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.
LAT...LON 3887 8134 3890 8133 3891 8129 3893 8124
3891 8116 3880 8114 3883 8133
$$
09The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 4:25 AM EDT | Special Weather Statement | RLX | Putnam | 95 min |
| Aug 19, 5:12 AM EDT | Special Weather Statement | RLX | Putnam | 33 min |
| Aug 19, 5:13 AM EDT | Special Weather Statement | RLX | Putnam | 32 min |
| Aug 19, 5:17 AM EDT | Special Weather Statement | RLX | Cabell, Putnam, Roane | 43 min |
| Aug 19, 5:54 AM EDT | Special Weather Statement | RLX | Jackson | 51 min |
| Aug 19, 6:11 AM EDT | Special Weather Statement | RLX | Braxton, Gilmer | 49 min |
| Aug 19, 5:46 PM EDT | Special Weather Statement | RLX | Harrison | 44 min |
| Aug 19, 6:27 PM EDT | Special Weather Statement | RLX | Doddridge, Tyler | 48 min |
| Aug 19, 7:49 PM EDT | Special Weather Statement | RLX | Barbour | 41 min |
Nearby
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.