Alert archive / Virginia / Flash Flood Warnings in 2000
Flash Flood Warning 38, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Aug 27, 2000, 10:29 PM EDT for 4 counties in 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 27, 2000, 10:29 PM EDT (02:29 UTC)
- Expired
- Aug 28, 2000, 1:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties City of Roanoke, VA, City of Salem, VA, Montgomery County, VA, Roanoke County, VA
The radar
The Roanoke radar (KFCX), 28 km from the middle of the area, began a volume at 02:32 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 2.5 hours before the alert went out and 54 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.
- Mixed-layer CAPE
- 861 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1046 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KRNK 280230
FFWRNK
VAC121-161-770-775-280530-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1029 PM EDT SUN AUG 27 2000
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ROANOKE CITY IN WEST CENTRAL VIRGINIA...
ROANOKE COUNTY IN WEST CENTRAL VIRGINIA...
MONTGOMERY COUNTY IN SOUTHWEST VIRGINIA...
SALEM IN WEST CENTRAL VIRGINIA...
* UNTIL 130 AM EDT.
* AT 1029 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL 2 MILES NORTHWEST
OF BLACKSBURG...MOVING EAST AT 25 MPH.
LOCATIONS THREATENED BY HEAVY RAIN THROUGH 130 AM EDT INCLUDE
BLACKSBURG...
CHRISTIANSBURG...
ROANOKE...
SALEM...
SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING ACROSS MONTGOMERY AND ROANOKE COUNTIES!.
<<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
10The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:32 PM EDT | Severe Thunderstorm Warning | RNK | Montgomery | 28 min |
| Aug 27, 8:58 PM EDT | Severe Thunderstorm Warning | RNK | Craig | 47 min |
| Aug 27, 9:17 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, City of Covington | 43 min |
| Aug 27, 9:17 PM EDT | Severe Thunderstorm Warning | RNK | Botetourt | 43 min |
| Aug 27, 9:51 PM EDT | Flash Flood Warning | RNK | Floyd | 114 min |
| Aug 27, 11:01 PM EDT | Severe Thunderstorm Warning | RNK | Franklin, Henry | 44 min |
| Aug 27, 11:36 PM EDT | Flash Flood Warning | RNK | Amherst, Campbell, City of Lynchburg | 114 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; radar from the NEXRAD Level II archive.