Alert archive / Virginia / Flash Flood Warnings in 2000

Flash Flood Warning 53, NWS Blacksburg, VA

September 2, 2000Pittsylvania County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Sep 2, 2000, 9:17 PM EDT for Pittsylvania 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
Sep 2, 2000, 9:17 PM EDT (01:17 UTC)
Expired
Sep 3, 2000, 12:15 AM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Pittsylvania County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.3 hours before the alert went out and 43 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 2000-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 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, Roanoke, VA at 00:00Z on 2000-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
85 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-9 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 030118
FFWRNK
VAC143-030415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
917 PM EDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 1215 AM EDT.

* AT 915 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL 9 MILES SOUTH OF CALLANDS...
  NEARLY STATIONARY.

LOCATIONS THREATENED BY HEAVY RAIN THROUGH 1215 AM EDT INCLUDE
  CALLANDS...
  BLAIRS...

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE 
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL LIKELY CAUSE 
FLASH FLOODING ALONG TRIBUTARIES OF SANDY RIVER...INCLUDING STEWART 
CREEK... SUGARTREE CREEK... SOUTH PRONG CREEK... AND GLADYS FORK.

<<CALL TO ACTION>>SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...
POSSIBLY WASHING OZUT ROADS AND FLOODING NEARBY LOW AREAS.

.END
09

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 11:19 PM EDTFlash Flood WarningRNKFranklin3 hr
Sep 3, 2:44 PM EDTFlash Flood WarningRNKBotetourt3 hr
Sep 3, 3:55 PM EDTFlash Flood WarningRNKCampbell, City of Lynchburg2 hr
Sep 3, 5:20 PM EDTFlash Flood WarningRNKPulaski115 min
Sep 3, 5:30 PM EDTFlash Flood WarningRNKFranklin2 hr

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.