Alert archive / Virginia / Flash Flood Warnings in 2000
Flash Flood Warning 37, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Aug 27, 2000, 9:51 PM EDT for Floyd County, Virginia. It was in force for 114 min. 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, 9:51 PM EDT (01:51 UTC)
- Expired
- Aug 27, 2000, 11:45 PM EDT
- In force
- 114 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Floyd County, VA
The radar
The Roanoke radar (KFCX), 13 km from the middle of the area, began a volume at 01:51 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, 1.9 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.
- 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 280152 FFWRNK VAC063-280345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 951 PM EDT SUN AUG 27 2000 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... FLOYD COUNTY IN SOUTHWEST VIRGINIA... * UNTIL 1145 PM EDT. * AT 951 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORMS WITH VERY HEAVY RAINFALL 4 MILES EAST OF FLOYD... MOVING EAST AT 30 MPH. SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING IN PARTS OF FLOYD COUNTY. <<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 10
The 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, 10:29 PM EDT | Flash Flood Warning | RNK | Montgomery, Roanoke, City of Roanoke, City of Salem | 3 hr |
| 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.