Alert archive / Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 8, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 30, 1990, 5:48 PM EDT for Pulaski County, Virginia. It was in force for 57 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 30, 1990, 5:48 PM EDT (21:48 UTC)
- Expired
- Apr 30, 1990, 6:45 PM EDT
- In force
- 57 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Pulaski County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 6:20 PM EDT | Thunderstorm Wind 0 | Pulaski, VA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.8 hours before the alert went out and 131 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 322 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KROA 302149 RRA
SVRROA
VAC155-302245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROANOKE VA
548 PM EDT MON APR 30 1990
THE NATIONAL WEATHER SERVICE IN ROANOKE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST VIRGINIA
...SOUTHERN PULASKI
RADAR INDICATES A SEVERE THUNDERSTORM OVER SOUTHERN PULASKI COUNTY
MOVING SOUTHEAST AT 30 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.What forecasters said that day
The local office's own words before this severe thunderstorm 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, Apr 30, 4:47 PM EDT, 1 hour 1 minute before
VAZ008-009-015-016-010000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 445 PM EDT MON APR 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHWEST..AND PORTIONS OF SOUTH CENTRAL VIRGINIA UNTIL 1000 PM TONIGHT... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF SOUTHWEST...AND PARTS OF SOUTH CENTRAL VIRGINIA. COUNTIES INCLUDED ARE: GILES... MONTGOMERY...FLOYD...AND CARROLL...EXTENDING WESTWARD ACROSS THE REST OF SOUTHWEST VIRGINIA. ALSO INCLUDED IN SOUTH CENTRAL VIRGINIA ARE: FRANKLIN...PATRICK...HENRY...PITTSYLVANIA...HALIFAX AND CHARLOTTE. AT 500 PM SCATTERED THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHWEST VIRGINIA. THE STORMS WERE MOVING TO THE EAST AT 30 TO 35 MPH. THESE STORMS COULD DEVELOP ENOUGH TO PRODUCE DAMAGING WINDS AND LARGE HAIL... AS THEY MOVE EASTWARD ACROSS THE WATCH AREA. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR FURTHER UPDATES OR POSSIBLE WARNINGS. END/dJACKSON
Nearby
Severe Thunderstorm Warnings in Virginia, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.