Alert archive / Virginia / Flash Flood Warnings in 2012

Flash Flood Warning 21, NWS Charleston, WV

July 14, 2012Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this flash flood warning at Jul 14, 2012, 6:03 PM EDT for Buchanan County, Dickenson County, Virginia. It was in force for 2 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
Jul 14, 2012, 6:03 PM EDT (22:03 UTC)
Expired
Jul 14, 2012, 8:04 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Buchanan County, VA, Dickenson County, VA

The radar

The Jackson,KY radar (KJKL), 110 km from the middle of the area, began a volume at 22:03 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, 10.1 hours before the alert went out and 235 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2012-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2012-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
381 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

297 
WGUS51 KRLX 142203
FFWRLX
VAC027-051-150100-
/O.NEW.KRLX.FF.W.0021.120714T2203Z-120715T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
603 PM EDT SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL BUCHANAN COUNTY IN VIRGINIA...
  THIS INCLUDES THE CITY OF GRUNDY...
  NORTHEASTERN DICKENSON COUNTY IN VIRGINIA...
  THIS INCLUDES THE CITY OF HAYSI...

* UNTIL 900 PM EDT

* AT 555 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING IS LIKELY FROM REPETITIVE HEAVY SHOWERS AND 
THUNDERSTORMS OVER THE WARNED AREA. THESE STORMS ARE EXPECTED TO 
CONTINUE THROUGH 7 PM...WITH RAINFALL RATES OF 1 TO 2 INCHES PER 
HOUR POSSIBLE. THE HEAVIEST RAINS SO FAR...AND THE MOST IMMEDIATE FLOOD 
THREAT...ARE NEAR THE DICKENSON AND BUCKHANNON COUNTY BORDER BETWEEN 
HAYSI AND VANSANT.  

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STACY AND
  VANSANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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 REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3725 8233 3734 8201 3730 8194 3722 8195
      3710 8234

$$

05
2 follow-up statements
000 
WGUS71 KRLX 142316
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
716 PM EDT SAT JUL 14 2012

VAC027-051-150100-
/O.CON.KRLX.FF.W.0021.000000T0000Z-120715T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DICKENSON VA-BUCHANAN VA-
716 PM EDT SAT JUL 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
CENTRAL BUCHANAN AND NORTHEASTERN DICKENSON COUNTIES...

AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
MAINLY LIGHT TO MODERATE SHOWERS OVER THE WARNED AREA. NATIONAL 
WEATHER SERVICE DOPPLER RADAR ESTIMATED SOME AREAS AROUND HAYSI HAVE 
RECEIVED OVER 3 INCHES OF RAIN SINCE 4 PM THIS AFTERNOON. WHILE NO 
REPORTS OF FLOODING HAVE BEEN RECEIVED SO FAR...THE THREAT OF MORE 
STORMS CONTINUES THOUGH 9 PM. THUS...THE FLASH FLOOD WARNING 
CONTINUES UNTIL 9 PM THIS EVENING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GRUNDY

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.

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 3725 8233 3734 8201 3730 8194 3722 8195
      3710 8234

$$

05
806 
WGUS71 KRLX 150004
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
804 PM EDT SAT JUL 14 2012

VAC027-051-150010-
/O.CAN.KRLX.FF.W.0021.000000T0000Z-120715T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DICKENSON VA-BUCHANAN VA-
804 PM EDT SAT JUL 14 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL BUCHANAN
AND NORTHEASTERN DICKENSON COUNTIES...

HEAVY RAIN HAS MOVED OUT OF THE AREA AND NO REPORTS OF FLOODING HAVE 
BEEN RECEIVED. AS A RESULT THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED. 

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 3725 8233 3734 8201 3730 8194 3722 8195
      3710 8234

$$

05

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.