Alert archive / West Virginia / Flash Flood Warnings in 2001

Flash Flood Warning 8, NWS Charleston, WV

May 17, 2001Boone County, West Virginia

NWS Charleston, WV issued this flash flood warning at May 17, 2001, 3:00 AM EDT for Boone County, West Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 17, 2001, 3:00 AM EDT (07:00 UTC)
Expired
May 17, 2001, 6:00 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Boone County, WV

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.0 hours before the alert went out and 239 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 00:00Z on 2001-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 880 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2001-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.193958Sfc1 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
880 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1116 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
1.3
Supercell composite
15.2

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRLX 170706
FFWRLX
WVC005-171000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
300 AM EDT THU MAY 17 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOONE COUNTY IN WEST VIRGINIA...

* UNTIL 600 AM EDT...

* HEAVY RAINFALL HAS ENDED ACROSS THE AREA AND RUNOFF IS REACHING
  AREA STREAMS AND CREEKS CAUSING RAPID RISES.

* SOME LOCATIONS IN THE WARNING AREA INCLUDE MADISON...BALD KNOB
  AND UNEEDA.

PLEASE REPORT HIGH WATER...HAIL OR STRONG WINDS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 12:19 AM EDTFlash Flood WarningRLXRaleigh3 hr
May 17, 1:43 AM EDTFlash Flood WarningRLXWyoming3 hr
May 17, 5:53 AM EDTFlash Flood WarningRLXBoone4 hr
May 17, 4:37 PM EDTSevere Thunderstorm WarningRLXJackson, Wood38 min
May 17, 4:37 PM EDTSevere Thunderstorm WarningRLXCabell, Mason38 min
May 17, 4:56 PM EDTSevere Thunderstorm WarningRLXPutnam34 min
May 17, 5:00 PM EDTSevere Thunderstorm WarningRLXWirt30 min
May 17, 5:12 PM EDTSevere Thunderstorm WarningRLXBoone, Jackson, Kanawha, Roane48 min
May 17, 5:37 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh38 min
May 17, 5:37 PM EDTSevere Thunderstorm WarningRLXClay, Nicholas38 min
May 17, 6:15 PM EDTSevere Thunderstorm WarningRLXBraxton, Webster30 min

Nearby

Flash Flood Warnings in West Virginia, 2001Every flash flood warning in 2001

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.