Alert archive / Virginia / Flash Flood Warnings in 1989
Flash Flood Warning 36, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Sep 22, 1989, 9:40 AM EDT for 6 counties in Virginia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 22, 1989, 9:40 AM EDT (13:40 UTC)
- Expired
- Sep 22, 1989, 1:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Carroll County, VA, Floyd County, VA, Grayson County, VA, Patrick County, VA, Pulaski County, VA, Wythe County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 1.7 hours before the alert went out and 112 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
- 293 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 657 m²/s²
- 0-3 km storm-relative helicity
- 944 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 13.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 22, 7:11 AM EDT, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYNCHBURG VA 710 AM EDT FRI SEP 22 1989 ...TROPICAL STORM HUGO NEAR CHARLOTTE NC... ...TORNADO..FLASH FLOOD AND HIGH WIND WATCHES IN CENTRAL VIRGINIA... ALTHOUGH THERE IS NO SEVERE WEATHER INDICATED IN SOUTHCENTRAL VIRGINIA AT THIS TIME..AS THE CENTER OF HUGO NEARS SOUTHERN VIRGINIA THUNDERSTORMS..HEAVY RAIN AND WIND GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE. THE POSSIBLITY THAT THIS STORM MAY PRODIUCE TORNADOS CAN NOT BE DISCOUNTED. .RESIDENTS SHOULD LISTEN TO NOAA WEATHER RADIO AND LOCAL MEDIA THROUGHOUT THE DAY. HUDGINS
Special weather statement, Sep 22, 9:32 AM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYNCHBURG VA 925 AM EDT FRI SEP 22 1989 ...TROPICAL STORM HUGO NORTHWEST OF HICKORY NC... ...TORNADO..FLASH FLOOD AND HIGH WIND WATCHES IN CENTRAL VIRGINIA... TROPCIAL STORM HUGO IS MOVING NORTHWARD ABOUT 30 MPH AND SHOULD PASS WEST OF LYNCHBURG VA ABOUT MIDDAY.. THE RAPID MOVEMENT LESSENS THE CHANCE OF EXTENDED HEAVY RAINS OVER SOUTHCENTRAL VIRGINIA TODAY BUT A FLASH FLOOD WATCH REMAINS IN EFFECT ALSO DUE TO THE RAPID MOVEMENT..WINDS IN EXCESS OF 50 MPH ARE POSSIBLE AND THE POSSIBILITY OF A TORNADO CANNOT BE DISCOUNTED UNTIL THE STORM PASSES. RESIDENTS SHOULD CONTINUE TO LISTEN TO NOAA WEATHER RADIO AND THE LOCAL MEDIA. HUDGINS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:04 AM EDT | Flash Flood Warning | RNK | Alleghany | 3 hr |
| Sep 22, 8:50 AM EDT | Flash Flood Warning | RNK | Surry, Wilkes | 115 min |
| Sep 22, 8:50 AM EDT | Flash Flood Warning | RNK | Stokes | 115 min |
| Sep 22, 10:41 AM EDT | Flash Flood Warning | RNK | Stokes, Surry | 3 hr |
| Sep 22, 10:41 AM EDT | Flash Flood Warning | RNK | Alleghany, Wilkes | 3 hr |
| Sep 22, 9:40 AM EDT | Flash Flood Warning | RNK | Craig, Giles, Montgomery, Roanoke | 4 hr |
| Sep 22, 9:40 AM EDT | Flash Flood Warning | RNK | Franklin | 4 hr |
| Sep 22, 10:15 AM EDT | Flash Flood Warning | RNK | Bland | 4 hr |
Nearby
Flash Flood Warnings in Virginia, 1989Every flash flood warning in 1989
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.