Alert archive / West Virginia / Flash Flood Warnings in 2011

Flash Flood Warning 25, NWS Charleston, WV

June 9, 20114 counties in West Virginia

NWS Charleston, WV issued this flash flood warning at Jun 9, 2011, 9:24 PM EDT for 4 counties in West Virginia. It was in force for 2 hr. 5 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: Jun 9, 2011, 9:24 PM EDT (01:24 UTC)
Expired: Jun 9, 2011, 11:30 PM EDT
In force: 2 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

Counties Doddridge County, WV, Harrison County, WV, Ritchie County, WV, Taylor County, WV

The radar

The Pittsburgh radar (KPBZ), 141 km from the middle of the area, began a volume at 01:26 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
Jun 9, 9:25 PM EDT	FLASH FLOOD	Bridgeport, WV	STRUCTURE FLOODED... BLACK STALLION RD.
Jun 9, 9:28 PM EDT	FLASH FLOOD	Bridgeport, WV	FLOODING ON SIMPSON CREEK BRIDGE
Jun 9, 9:45 PM EDT	FLASH FLOOD	Bridgeport, WV	RTE 50 IN BRIDGEPORT IS FLOODED AND CLOSED.
Jun 9, 9:53 PM EDT	FLASH FLOOD	Bridgeport, WV	STRUCTURE FLOODED... W MAIN ST.
Jun 9, 10:43 PM EDT	HEAVY RAIN 2.28	Bridgeport, WV	STORM TOTAL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.4 hours before the alert went out and 129 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 275 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1606 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

655 
WGUS51 KRLX 100124
FFWRLX
WVC017-033-085-091-100330-
/O.NEW.KRLX.FF.W.0025.110610T0124Z-110610T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
924 PM EDT THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL DODDRIDGE COUNTY IN WEST VIRGINIA...
  CENTRAL HARRISON COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF CLARKSBURG...
  EAST CENTRAL RITCHIE COUNTY IN WEST VIRGINIA...
  TAYLOR COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF GRAFTON...

* UNTIL 1130 PM EDT

* AT 918 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. MEASUREMENTS 
OF AN INCH AN A HALF OR MORE OF RAIN IN 30 MINUTES...HAVE ALSO BEEN 
REPORTED.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST 
UNION...SALEM AND LUMBERPORT

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3915 8046 3915 8055 3917 8059 3915 8062
      3915 8096 3925 8108 3935 8050 3941 8020
      3940 8018 3941 8010 3939 8008 3940 8003
      3930 7994

$$

19

2 follow-up statements

065 
WGUS71 KRLX 100233
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1033 PM EDT THU JUN 9 2011

WVC017-033-085-091-100330-
/O.CON.KRLX.FF.W.0025.000000T0000Z-110610T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRISON WV-DODDRIDGE WV-TAYLOR WV-RITCHIE WV-
1033 PM EDT THU JUN 9 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR EAST
CENTRAL RITCHIE...TAYLOR...CENTRAL DODDRIDGE AND CENTRAL HARRISON
COUNTIES...

AT 1025 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE LINE OF STRONG THUNDERSTORMS THAT CAUSED THE EXCESSIVE 
RAINFALL HAVE MOVED EAST OF THE AREA.  HOWEVER...OTHER THUNDERSTORMS 
SCATTERED ABOUT THE AREA COULD BRING A QUICK INCH ADDITIONAL 
RAINFALL IN SPOTS...CAUSING ADDITIONAL FLOODING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST UNION...
LUMBERPORT...GRAFTON AND BRIDGEPORT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3915 8046 3915 8055 3917 8059 3915 8062
      3915 8096 3925 8108 3935 8050 3941 8020
      3940 8018 3941 8010 3939 8008 3940 8003
      3930 7994

$$

12

123 
WGUS71 KRLX 100328
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1128 PM EDT THU JUN 9 2011

WVC017-033-085-091-100337-
/O.EXP.KRLX.FF.W.0025.000000T0000Z-110610T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRISON WV-DODDRIDGE WV-TAYLOR WV-RITCHIE WV-
1128 PM EDT THU JUN 9 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 PM EDT FOR EAST
CENTRAL RITCHIE...TAYLOR...CENTRAL DODDRIDGE AND CENTRAL HARRISON
COUNTIES...

THE HEAVIEST OF THE RAIN IS OVER...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.  
EXISTING FLOOD WATERS WILL RECEDE OVERNIGHT.

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 3915 8046 3915 8055 3917 8059 3915 8062
      3915 8096 3925 8108 3935 8050 3941 8020
      3940 8018 3941 8010 3939 8008 3940 8003
      3930 7994

$$

12

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 8:19 PM EDT	Special Weather Statement	RLX	Cabell	26 min
Jun 9, 8:42 PM EDT	Special Weather Statement	RLX	Putnam	48 min
Jun 9, 8:48 PM EDT	Special Weather Statement	RLX	Taylor	42 min
Jun 9, 8:51 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Harrison, Taylor	39 min
Jun 9, 9:04 PM EDT	Special Weather Statement	RLX	Cabell	41 min
Jun 9, 9:20 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Doddridge, Harrison, Lewis, Taylor, Upshur	40 min
Jun 9, 9:45 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Doddridge, Harrison, Lewis, Taylor, Upshur	45 min
Jun 9, 10:08 PM EDT	Flash Flood Warning	RLX	Barbour, Harrison, Lewis, Taylor, Upshur	112 min
Jun 9, 10:37 PM EDT	Severe Thunderstorm Warning	RLX	Doddridge, Gilmer, Lewis, Ritchie	53 min
Jun 9, 10:42 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Wood	63 min
Jun 9, 11:02 PM EDT	Severe Thunderstorm Warning	RLX	Calhoun, Gilmer, Ritchie, Wirt, Wood	58 min
Jun 9, 11:18 PM EDT	Flash Flood Watch	RLX	Barbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 11 more	24 hr
Jun 9, 11:44 PM EDT	Flash Flood Warning	RLX	Braxton, Calhoun, Gilmer, Lewis, Randolph, Ritchie and 3 more	2 hr
Jun 10, 12:34 AM EDT	Flash Flood Warning	RLX	Barbour, Harrison, Taylor	116 min
Jun 10, 12:55 AM EDT	Special Weather Statement	RLX	Pocahontas	65 min
Jun 10, 1:05 PM EDT	Special Weather Statement	RLX	Wayne	25 min
Jun 10, 1:38 PM EDT	Special Weather Statement	RLX	Lincoln, Wayne	37 min
Jun 10, 3:47 PM EDT	Special Weather Statement	RLX	Jackson	58 min

Nearby

Flash Flood Warnings in West Virginia, 2011 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.