Alert archive / Virginia / Flash Flood Warnings in 2000

Flash Flood Warning 36, NWS Blacksburg, VA

August 9, 2000Buchanan County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Aug 9, 2000, 11:43 PM EDT for Buchanan County, 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
Aug 9, 2000, 11:43 PM EDT (03:43 UTC)
Expired
Aug 10, 2000, 2:45 AM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Buchanan County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 3.7 hours before the alert went out and 225 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 00:00Z on 2000-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2748 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 00:00Z on 2000-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
2748 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
119 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.

000 
WGUS51 KRNK 100345
FFWRNK
VAC027-100645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY BLACKSBURG VA
1143 PM EDT WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUCHANAN COUNTY IN VIRGINIA...

* UNTIL 245 AM EDT.

* AT 1143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER ALL OF   
  BUCHANAN COUNTY.   THE STORMS WERE NEARLY STATIONARY.

LOCATIONS THREATENED BY HEAVY RAIN THROUGH 245 AM EDT INCLUDE
  VANSANT...
  GRUNDY...

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE 
WARNED AREA. RUNOFF FROM 8THIS EXCESSIVE RAINFALL WILL LIKELY CAUSE 
FLASH FLOODING.

<<CALL TO ACTION>>DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED.

.END
09

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 9:53 PM EDTSevere Thunderstorm WarningRNKAlleghany, Bath, City of Covington52 min
Aug 9, 10:18 PM EDTSevere Thunderstorm WarningRNKRockbridge, City of Buena Vista, City of Lexington42 min
Aug 9, 10:26 PM EDTSevere Thunderstorm WarningRNKBotetourt49 min
Aug 9, 10:45 PM EDTSevere Thunderstorm WarningRNKBedford45 min
Aug 9, 10:50 PM EDTSevere Thunderstorm WarningRNKGiles25 min
Aug 9, 10:57 PM EDTSevere Thunderstorm WarningRNKRoanoke, City of Salem48 min
Aug 9, 10:57 PM EDTSevere Thunderstorm WarningRNKCity of Roanoke48 min
Aug 9, 11:04 PM EDTSevere Thunderstorm WarningRNKAmherst41 min
Aug 9, 11:13 PM EDTSevere Thunderstorm WarningRNKMontgomery32 min
Aug 9, 11:19 PM EDTSevere Thunderstorm WarningRNKPulaski26 min
Aug 9, 11:20 PM EDTSevere Thunderstorm WarningRNKFranklin40 min
Aug 9, 11:22 PM EDTSevere Thunderstorm WarningRNKCampbell, City of Lynchburg38 min
Aug 9, 11:29 PM EDTSevere Thunderstorm WarningRNKPittsylvania61 min
Aug 9, 11:30 PM EDTSevere Thunderstorm WarningRNKBedford30 min
Aug 10, 12:09 AM EDTSevere Thunderstorm WarningRNKPittsylvania, City of Danville66 min
Aug 10, 12:09 AM EDTSevere Thunderstorm WarningRNKHalifax66 min
Aug 10, 12:19 AM EDTSevere Thunderstorm WarningRNKCarroll, City of Galax26 min
Aug 10, 12:20 AM EDTSevere Thunderstorm WarningRNKHenry, City of Martinsville40 min

Nearby

Flash Flood Warnings in Virginia, 2000Every flash flood warning in 2000

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.