Alert archive / Virginia / Flash Flood Warnings in 2000

Flash Flood Warning 48, NWS Blacksburg, VA

September 2, 2000Floyd County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Sep 2, 2000, 3:30 PM EDT for Floyd 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, 3:30 PM EDT (19:30 UTC)
Expired
Sep 2, 2000, 6:30 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Floyd County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.5 hours before the alert went out and 82 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 12:00Z on 2000-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 637 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 12:00Z on 2000-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
637 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
473 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
19 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 021930
FFWRNK
VAC063-022230-

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

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN FLOYD COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 630 PM EDT.

* AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL IN WESTERN FLOYD COUNTY 
  NEAR INDIAN VALLEY...MOVING NORTHWEST AT 5 MPH.

LOCATIONS THREATENED BY HEAVY RAIN THROUGH 630 PM EDT INCLUDE
  INDIAN VALLEY...

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE 
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH 
FLOODING OF LITTLE INDIAN CREEK AND INDIAN CREEK NEAR INDIAN VALLEY 
AND IN COPPER HILL.

<<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
08

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 1:48 AM EDTFlash Flood WarningRNKRockbridge, City of Buena Vista, City of Lexington3 hr
Sep 2, 2:14 AM EDTFlash Flood WarningRNKBedford, Botetourt3 hr
Sep 2, 4:45 AM EDTFlash Flood WarningRNKAmherst, Rockbridge, City of Buena Vista, City of Lexington2 hr
Sep 2, 1:45 PM EDTFlash Flood WarningRNKPulaski2 hr
Sep 2, 2:12 PM EDTFlash Flood WarningRNKFranklin3 hr
Sep 2, 3:44 PM EDTFlash Flood WarningRNKPulaski3 hr
Sep 2, 4:49 PM EDTFlash Flood WarningRNKCampbell, City of Lynchburg3 hr
Sep 2, 6:28 PM EDTFlash Flood WarningRNKBath2 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.