Alert archive / West Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 13, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 26, 2012, 6:34 PM EDT for Mercer County, Summers County, West Virginia. It was in force for 6 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
- Apr 26, 2012, 6:34 PM EDT (22:34 UTC)
- Expired
- Apr 27, 2012, 12:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mercer County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -140 m²/s²
- 0-3 km storm-relative helicity
- -105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
180
WGUS51 KRNK 262234
FFWRNK
WVC055-089-270430-
/O.NEW.KRNK.FF.W.0013.120426T2234Z-120427T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
634 PM EDT THU APR 26 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MERCER COUNTY IN SOUTHEAST WEST VIRGINIA
SUMMERS COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 1230 AM EDT.
* AT 628 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
MATOAKA... CAMP CREEK STATE PARK...PIPESTEM RESORT STATE
PARK...BLUESTONE STATE PARK...SANDSTONE...PIPESTEM...JUMPING
BRANCH...HIX...HINTON...ELLISON...WENONAH...SPANISHBURG...
LERONA...FLAT TOP...DUNNS...CAMP CREEK AND ATHENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE IN THE WARNED
AREA.
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 3775 8077 3732 8103 3737 8135 3741 8133
3742 8129 3746 8131 3752 8122 3758 8119
3761 8108 3764 8107 3772 8098 3770 8090
3774 8093 3777 8090 3781 8094 3783 8093
$$
AMS2 follow-up statements
367
WGUS71 KRNK 270225
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1025 PM EDT THU APR 26 2012
WVC055-089-270430-
/O.CON.KRNK.FF.W.0013.000000T0000Z-120427T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERCER WV-SUMMERS WV-
1025 PM EDT THU APR 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
MERCER AND SUMMERS COUNTIES...
AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS HAVE ENDED OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLUESTONE
STATE PARK...SANDSTONE...JUMPING BRANCH...HIX AND HINTON.
ANOTHER INCH TO INCH AND A HALF OF RAIN HAD FALLEN IN MERCER AND
SUMMERS COUNTIES SINCE 4:00PM.
THE BLUESTONE RIVER AT SPANISHBURG WAS FLOODING. FLOOD STAGE AT
SPANISHBURG IS 11 FEET. THE 10:00PM STAGE WAS 12.5 FEET AND RISING.
EXPECT FLOODING ALONG THE BLUESTONE ON COUNTY ROUTE 15 FROM BRAMWELL
TO MONTCALM...ON COUNTY ROUTE 11 AND STATE ROUTE 71 NEAR MONTCALM...
AND ON ROUTE 19 AND COUNTY ROUTE 7 BETWEEN SPANISHBURG AND
PRINCETON.
FLOODING IS ALSO EXPECTED ON STATE ROUTE 10...ALONG WIDEMOUTH
CREEK...AROUND HIAWATHA AND MATOAKA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 3775 8077 3732 8103 3737 8135 3741 8133
3742 8129 3746 8131 3752 8122 3758 8119
3761 8108 3764 8107 3772 8098 3770 8090
3774 8093 3777 8090 3781 8094 3783 8093
$$
AMS192
WGUS71 KRNK 270437
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1237 AM EDT FRI APR 27 2012
WVC055-089-270443-
/O.EXP.KRNK.FF.W.0013.000000T0000Z-120427T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERCER WV-SUMMERS WV-
1237 AM EDT FRI APR 27 2012
...THE FLASH FLOOD WARNING HAS EXPIRED FOR MERCER AND SUMMERS
COUNTIES...
THE RAIN HAS STOPPED BUT RUNOFF FROM THIS EVENING THUNDERSTORMS WILL
KEEP CREEKS AND STREAMS ABOVE BANK FULL. MINOR FLOODING ALONG THE
BLUESTONE RIVER WILL CONTINUE INTO THIS MORNING. THE FLASH FLOOD
WARNING HAS EXPIRED...HOWEVER A FLOOD WARNING ALONG THE BLUESTONE
RIVER WILL REMAIN IN EFFECT UNTIL 630 AM.
LAT...LON 3775 8077 3732 8103 3737 8135 3741 8133
3742 8129 3746 8131 3752 8122 3758 8119
3761 8108 3764 8107 3772 8098 3770 8090
3774 8093 3777 8090 3781 8094 3783 8093
$$
RCSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 2:39 AM EDT | Special Weather Statement | RNK | Greenbrier | 36 min |
| Apr 26, 3:55 AM EDT | Special Weather Statement | RNK | Greenbrier, Summers | 35 min |
| Apr 26, 4:31 AM EDT | Special Weather Statement | RNK | Mercer, Monroe | 29 min |
| Apr 26, 11:54 AM EDT | Areal Flood Advisory | RNK | Greenbrier, Mercer, Summers | 3 hr |
| Apr 26, 2:53 PM EDT | Areal Flood Advisory | RNK | Greenbrier, Mercer, Summers | 3 hr |
| Apr 26, 6:16 PM EDT | Severe Thunderstorm Warning | RNK | Mercer | 59 min |
| Apr 26, 6:25 PM EDT | Special Weather Statement | RNK | Greenbrier | 65 min |
| Apr 26, 6:51 PM EDT | Flash Flood Warning | RNK | Greenbrier, Summers | 6 hr |
| Apr 26, 7:00 PM EDT | Flash Flood Warning | RNK | Mercer | 6 hr |
| Apr 26, 7:10 PM EDT | Severe Thunderstorm Warning | RNK | Mercer | 65 min |
| Apr 26, 7:26 PM EDT | Special Weather Statement | RNK | Monroe | 64 min |
| Apr 26, 7:53 PM EDT | Severe Thunderstorm Warning | RNK | Monroe | 52 min |
Nearby
Flash Flood Warnings in West 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.