Alert archive / West Virginia / Flash Flood Warnings in 2011

Flash Flood Warning 38, NWS Charleston, WV

July 23, 2011Putnam County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 23, 2011, 2:24 PM EDT for Putnam County, West Virginia. It was in force for 4 hr. 2 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
Jul 23, 2011, 2:24 PM EDT (18:24 UTC)
Expired
Jul 23, 2011, 6:15 PM EDT
In force
4 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 30 km from the middle of the area, began a volume at 18:27 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

TimeReportWhereRemark
Jul 23, 3:30 PM EDTFLASH FLOODPoca, WVROUTE 35 AROUND POCA CLOSED UNDER 2 FEET OF WATER.
Jul 23, 4:45 PM EDTFLASH FLOODWinfield, WVWATER INUNDATING HOMES IN THE TOWN OF WINFIELD

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 193 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, Cncnati-Daytn, OH at 12:00Z on 2011-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3311 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, Cncnati-Daytn, OH at 12:00Z on 2011-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
3311 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-2 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.

599 
WGUS51 KRLX 231824
FFWRLX
WVC079-232015-
/O.NEW.KRLX.FF.W.0038.110723T1824Z-110723T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
224 PM EDT SAT JUL 23 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN PUTNAM COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF WINFIELD...

* UNTIL 415 PM EDT

* AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.  RADAR 
  ESTIMATES AS MUCH AS 3 INCHES OF RAIN HAD FALLEN SINCE 200 PM.  AN 
  ADDITIONAL TWO INCHES OF RAIN IS POSSIBLE...WHICH WILL CAUSE FLASH
  FLOODING ACROSS THE WARNED AREA.      

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUFFALO

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.

&&

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

LAT...LON 3863 8201 3866 8196 3857 8175 3853 8175
      3852 8174 3847 8173 3842 8184 3852 8205

$$

09
3 follow-up statements
935 
WGUS51 KRLX 232009
FFWRLX
WVC079-232215-
/O.EXT.KRLX.FF.W.0038.000000T0000Z-110723T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
409 PM EDT SAT JUL 23 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHERN PUTNAM COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF WINFIELD...

* UNTIL 615 PM EDT

* AT 400 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH   
FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. WHILE DOPPLER 
RADAR INDICATED RAINFALL AMOUNTS WERE DISSIPATING...ADDITIONAL 
RAINFALL MAY CONTINUE TO MOVE OVER THE AFFECTED AREA OVER THE NEXT 
ONE TO TWO HOURS. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUFFALO

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.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

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

LAT...LON 3863 8201 3866 8196 3857 8175 3853 8175
      3852 8174 3847 8173 3842 8184 3852 8205

$$

28
126 
WGUS71 KRLX 232121
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
521 PM EDT SAT JUL 23 2011

WVC079-232215-
/O.CON.KRLX.FF.W.0038.000000T0000Z-110723T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM WV-
521 PM EDT SAT JUL 23 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
NORTHERN PUTNAM COUNTY...

AT 515 PM EDT...RAINFALL OVER PUTNAM COUNTY CONTINUED TO DIMINISH. 
LITTLE TO NO ADDITIONAL RAINFALL IS EXPECTED IN THE WARNED AREA OVER 
THE NEXT ONE TO TWO HOURS. LOW LYING AREAS WITHIN THE WARNING 
CONTINUED TO BE AFFECTED BY RUNOFF FROM EARLIER 
RAINS...HOWEVER...THE HIGH WATER WILL CONTINUE TO RECEDE OVER THE 
NEXT FEW HOURS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUFFALO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

TURN AROUND DON'T 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 3863 8201 3866 8196 3857 8175 3853 8175
      3852 8174 3847 8173 3842 8184 3852 8205

$$

28
204 
WGUS71 KRLX 232212
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
612 PM EDT SAT JUL 23 2011

WVC079-232225-
/O.EXP.KRLX.FF.W.0038.000000T0000Z-110723T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM WV-
612 PM EDT SAT JUL 23 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 615 PM EDT FOR NORTHERN
PUTNAM COUNTY...

THE HEAVY RAIN HAS ENDED AND ADDITIONAL HEAVY RAIN IS NOT 
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 3863 8201 3866 8196 3857 8175 3853 8175
      3852 8174 3847 8173 3842 8184 3852 8205

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:04 PM EDTSpecial Weather StatementRLXNicholas26 min
Jul 22, 8:26 PM EDTSpecial Weather StatementRLXNicholas34 min
Jul 22, 10:15 PM EDTSpecial Weather StatementRLXDoddridge, Harrison60 min
Jul 23, 4:38 AM EDTHeat AdvisoryRLXBoone, Cabell, Calhoun, Doddridge, Gilmer, Jackson and 13 more15 hr
Jul 23, 7:50 AM EDTSpecial Weather StatementRLXWayne55 min
Jul 23, 12:20 PM EDTSpecial Weather StatementRLXJackson40 min
Jul 23, 12:26 PM EDTSpecial Weather StatementRLXLincoln49 min
Jul 23, 12:52 PM EDTSpecial Weather StatementRLXBoone53 min
Jul 23, 3:18 PM EDTHeat AdvisoryRLXBoone, Cabell, Calhoun, Doddridge, Gilmer, Jackson and 13 more29 hr
Jul 23, 3:43 PM EDTFlash Flood WarningRLXMason2 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.