Alert archive / Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 48, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 1, 1990, 4:52 PM EDT for Craig County, Virginia. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1990, 4:52 PM EDT (20:52 UTC)
- Expired
- Jul 1, 1990, 6:00 PM EDT
- In force
- 68 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Craig 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, 8.9 hours before the alert went out and 158 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
- 373 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1629 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 105 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 012054 SVRROA VAC045-012200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROANOKE VA 452 PM EDT SUN JUL 1 1990 THE NATIONAL WEATHER SERVICE IN ROANOKE VAHAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WESTERN VIRGINIA ...ALLEGHANY COUNTY RADAR SHOWED A SEVERE THUNDERSTORM IN GREENBRRIER WEST VIRGINIA MOVING INTO ALLEGHANY COUNTY IN WESTERN VIRGINIA... 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, Jul 1, 12:30 PM EDT, 4 hours 22 minutes before
VAZALL-011620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 1220PM EDT SUN JUL 01 1990 CORRECTION WEATHER SERVICE RADAR SHOWS SHOWERS AND THUNDERSTORMS DEVELOPING IN SOUTHERN WEST VIRGINIA AND IN THE WEST CENTRAL HIGHLANDS AND SOUTH WESTERN MOUNTAINS OF VIRGINIA. THESE STORMS ARE MOVING TO THE SOUTH EAST AT 30 MPH. STRONG GUSTY WINDS DAMAGING WINDS DANGEROUS LIGHTNING AND HAIL WILL ACCOMPANY SOME OF THESE STORMS. SHOWERS AND THUNDERSTORMS WILL DEVELOPE ACROSS SOUTHCENTRAL VIRGINIA LATER THIS AFTERNOON. MEADOWS
Special weather statement, Jul 1, 12:44 PM EDT, 4 hours 8 minutes before
VAZALL-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 1240 PM EDT SUN JUL 01 1990 SHOWERS AND THUNDERSTORMS ARE DEVELOPING IN SOUTHWEST VIRGINIA. AT 1235 PM RADAR SHOWS SHOWERS AND THUNDERSTORMS MOVING INTO PULASKI CRAIG AND MONTGOMERY COUNTIES. THESE STORMS ARE MOVING TO THE SOUTHEAST. SHOWERS AND THUNDERSTORMS WILL BE DEVELOPING OVER A LARGE PORTION OF SOUTHCENTRAL AND SOUTHWESTEN VIRGINIA THIS AFTERNOON AHEAD OF A FRONT WHICH WILL MOVE THROUGH SOUTHERN VIRGINIA LATE THIS AFTERNOON. AS THESE THUNDERSTORMS DEVELOP THEY COULD PRODUCE DANGEROUS LIGHTNING HEAVEY DOWNPOURS STRONG GUSY WINDS AND POSSIBLE SMALL HAIL. CE
Special weather statement, Jul 1, 1:28 PM EDT, 3 hours 24 minutes before
VAZALL-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 130 PM EDT SUN JUL 01 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHCENTRAL AND SOUTHWESTERN VIRGINIA UNTIL 900 PM EDT TONIGHT... IN THE ROANOKE AREA OF RESPONSIBLILTY THIS INCLUDES THE COUNTIES OF BLAND BOTETOURT CRROLL CRAIG FLOYD FRANKLIN GILES GRAYSON HENRY MONTGOMERY PATRICK PULASKI ROANOKE WYTHE AND THE CITIES OF GALAX MARTINSVILLE RADFORD ROANOKE AND SALEM. AT 120 PM RADAR SHOWS SOME THUNDERSTORMS DEVELOPING IN PORTIONS OF SOUTHWESTERN VIRGINIA AND EASTERN WEST VIRGINIA. AS THESE THUNDER- STORMS DEVELOP THEY WILL MOVE TO THE SOUTHEAST AND COULD PRODUCE STRONG GUSTY WINDS DANGEROUS LIGHTNING HEAVY DOWNPOURS AND SOME HAIL. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF DANGEROUS THUNDERSTORMS. ALL PERSONS SHOULD KEEP A CLOSE WATCH FOR SEVERE WEATHER IF THUNDERSTORMS DEVELOP IN THEIR AREA. CE
Special weather statement, Jul 1, 2:02 PM EDT, 2 hours 50 minutes before
VAZ008-009-011740 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 1240PM EDT SUN JUL 01 1990 CORRECTION ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EDT... AT 1230 WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTHERN WEST VIRGINIA AND SOUTHWESTERN VIRGINIA. THE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. THEY ARE EXPECTED TO MOVE INTO THE LYNCHBURG AREA OF RESPONSIBILITY WITHIN THE NEXT 45 TO 60 MINUTES. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMSENT OF THUNDERSTORMS CONTAINING LARGE HAIL..DAMAGING WINDS..HEAVY DOWNPOURS..AND FREQUENT DEADLY LIGHTNING. PEOPLE IN THE WATCH AREA ARE STRONGLY URGED TO KEEP A A CLOSE WATCH ON WEATHER CONDITIONS THIS AFTERNOON AND TO MOVE INDOORS IF A THUNDERSTORM APPROACHES. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS POTENTIALLY DANGEROUS SITUATION. MEARDOWS
Special weather statement, Jul 1, 3:09 PM EDT, 1 hour 43 minutes before
VAZALL-012030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 310 PM EDT SUN JUL 01 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHCENTRAL AND SOUTHWESTERN VIRGINIA UNTIL 9
Special weather statement, Jul 1, 4:48 PM EDT, 4 minutes before
VAZ008-009-012040 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 341 PM EDT SUN JUL 01 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EDT... AT 340 WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS ALONG THE COLD FRONT EXTENDING FROM KING AND QUEEN COUNTY TO BEKLEY WEST VIRGINIA. THE STORMS ARE MOVING TO THE SOUTH AT 30 MPH AND WILL ENTER AMHERST COUNTY WITHIN THE NEXT 30 MINUTES. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMSENT OF THUNDERSTORMS CONTAINING LARGE HAIL..DAMAGING WINDS..HEAVY DOWNPOURS..AND FREQUENT DEADLY LIGHTNING. PEOPLE IN THE WATCH AREA ARE STRONGLY URGED TO KEEP A A CLOSE WATCH ON WEATHER CONDITIONS THIS AFTERNOON AND TO MOVE INDOORS IF A THUNDERSTORM APPROACHES. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS POTENTIALLY DANGEROUS SITUATION. MEADOWS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 5:08 PM EDT | Severe Thunderstorm Warning | RNK | Botetourt, Craig | 67 min |
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; the sounding from the Mesonet's radiosonde archive.