Alert archive / West Virginia / Flash Flood Warnings in 2011

Flash Flood Warning 19, NWS Charleston, WV

May 24, 20115 counties in West Virginia

NWS Charleston, WV issued this flash flood warning at May 24, 2011, 6:24 PM EDT for 5 counties in West 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: May 24, 2011, 6:24 PM EDT (22:24 UTC)
Expired: May 24, 2011, 8:30 PM EDT
In force: 2 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

Counties Barbour County, WV, Harrison County, WV, Lewis County, WV, Randolph County, WV, Upshur County, WV

The radar

The Pittsburgh radar (KPBZ), 154 km from the middle of the area, began a volume at 22:26 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.4 hours before the alert went out and 140 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: 10 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 588 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 178 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.

640 
WGUS51 KRLX 242224
FFWRLX
WVC001-033-041-083-097-250030-
/O.NEW.KRLX.FF.W.0019.110524T2224Z-110525T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
624 PM EDT TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARBOUR COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF PHILIPPI...
  SOUTHEASTERN HARRISON COUNTY IN WEST VIRGINIA...
  NORTHEASTERN LEWIS COUNTY IN WEST VIRGINIA...
  EXTREME NORTH CENTRAL RANDOLPH COUNTY IN WEST VIRGINIA...
  NORTH CENTRAL UPSHUR COUNTY IN WEST VIRGINIA...

* UNTIL 830 PM EDT

* AT 620 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM THUNDERSTORMS TRAINING OVER THE WARNED AREA.  
  RAINFALL AMOUNTS OF 1 TO 1.5 INCHES CAN BE EXPECTED IN A SHORT     
  PERIOD OF TIME. JESSE RUN...ELK RUN...AND MILLSTONE RUN ARE SOME   
  CREEKS THAT ARE PARTICULARLY VULNERABLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTURY...
  VOLGA...HODGESVILLE AND MONTROSE.

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

LAT...LON 3905 7979 3905 8027 3906 8047 3916 8045
      3925 8026 3925 8017 3924 8016 3925 7985
      3924 7981 3913 7983 3911 7979

$$

30

2 follow-up statements

885 
WGUS71 KRLX 242326
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
726 PM EDT TUE MAY 24 2011

WVC001-033-041-083-097-250030-
/O.CON.KRLX.FF.W.0019.000000T0000Z-110525T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEWIS WV-HARRISON WV-RANDOLPH WV-BARBOUR WV-UPSHUR WV-
726 PM EDT TUE MAY 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR NORTH
CENTRAL UPSHUR...BARBOUR...EXTREME NORTH CENTRAL RANDOLPH...
SOUTHEASTERN HARRISON AND NORTHEASTERN LEWIS COUNTIES...

AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING HEAVY RAINFALL...PARTICULARLY OVER 
BARBOUR COUNTY. RADAR ESTIMATES RAINFALLL AMOUNTS OF 1 TO 2 INCHES 
HAS FALLEN ACROSS THE WARNED AREA. JESSE RUN...ELK RUN...ROOTING 
CREEK...AND MILLSTONE RUN ARE SOME CREEKS THAT ARE PARTICULARLY 
VULNERABLE.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOATSVILLE...
GALLOWAY AND NESTORVILLE.

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 3905 7979 3905 8027 3906 8047 3916 8045
      3925 8026 3925 8017 3924 8016 3925 7985
      3924 7981 3913 7983 3911 7979

$$

30

556 
WGUS71 KRLX 250022
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
822 PM EDT TUE MAY 24 2011

WVC001-033-041-083-097-250032-
/O.EXP.KRLX.FF.W.0019.000000T0000Z-110525T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEWIS WV-HARRISON WV-RANDOLPH WV-BARBOUR WV-UPSHUR WV-
822 PM EDT TUE MAY 24 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 830 PM EDT FOR NORTH
CENTRAL UPSHUR...BARBOUR...EXTREME NORTH CENTRAL RANDOLPH...
SOUTHEASTERN HARRISON AND NORTHEASTERN LEWIS COUNTIES...

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 3905 7979 3905 8027 3906 8047 3916 8045
      3925 8026 3925 8017 3924 8016 3925 7985
      3924 7981 3913 7983 3911 7979

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 9:32 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Lincoln, Wayne	58 min
May 23, 9:36 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Jackson, Kanawha, Lincoln, Mason, Pleasants and 5 more	54 min
May 23, 9:58 PM EDT	Flash Flood Watch	RLX	Boone, Cabell, Jackson, Kanawha, Lincoln, Logan and 5 more	5 hr
May 23, 10:34 PM EDT	Special Weather Statement	RLX	Cabell	56 min
May 23, 10:51 PM EDT	Areal Flood Warning	RLX	Cabell	114 min
May 23, 11:07 PM EDT	Special Weather Statement	RLX	Barbour, Braxton, Calhoun, Clay, Doddridge, Gilmer and 6 more	83 min
May 23, 11:49 PM EDT	Special Weather Statement	RLX	Kanawha, Lincoln	41 min
May 24, 12:18 AM EDT	Special Weather Statement	RLX	Barbour, Nicholas, Pocahontas, Randolph, Upshur, Webster	42 min
May 24, 12:35 AM EDT	Special Weather Statement	RLX	Lincoln, Wayne	40 min
May 24, 5:07 AM EDT	Special Weather Statement	RLX	Braxton	23 min
May 24, 8:56 AM EDT	Special Weather Statement	RLX	McDowell	34 min
May 24, 9:28 AM EDT	Special Weather Statement	RLX	McDowell	32 min
May 24, 9:40 AM EDT	Severe Thunderstorm Warning	RLX	McDowell	50 min
May 24, 12:23 PM EDT	Special Weather Statement	RLX	Webster	37 min
May 24, 1:54 PM EDT	Flash Flood Watch	RLX	McDowell	6 hr
May 24, 3:15 PM EDT	Special Weather Statement	RLX	McDowell	75 min
May 24, 5:59 PM EDT	Special Weather Statement	RLX	Barbour	61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.