Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 47, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 1, 1990, 3:49 PM EDT for Guilford County, Randolph County, North Carolina. It was in force for 56 min. 2 reports 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
- Jul 1, 1990, 3:49 PM EDT (19:49 UTC)
- Expired
- Jul 1, 1990, 4:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Guilford County, NC, Randolph County, NC
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 |
|---|---|---|---|
| Jul 1, 3:58 PM EDT | Hail 1.75 | Guilford, NC | |
| Jul 1, 4:15 PM EDT | Thunderstorm Wind 0 | Guilford, NC |
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, 7.8 hours before the alert went out and 23 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 KGSO 011949
SVRGSO
NCC081-151-012045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
349 PM EDT SUN JUL 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF NORTH CAROLINA
SOUTHERN GUILFORD...NORTHERN RANDOLPH
AT 345 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM OVER THE CITY OF
HIGH POINT...THIS THUNDERSTORM IS MOVING SOUTHEAST 35 MPH.
AND SHOULD BE ENTERING RANDOLPH COUNTY WITH THE NEXT 15 MINUTES.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
RJDWhat 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, 12:29 PM EDT, 3 hours 20 minutes before
VAZALL-011620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYHCHBURG VA 1220PM EDT SUN JUL 01 1990 ...THUNDERSTORMS MOVING ACROSS SOUTHCENTRAL VIRGINIA... 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, 12:30 PM EDT, 3 hours 19 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, 3 hours 5 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, 2 hours 21 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, 1 hour 47 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, 40 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
Nearby
Severe Thunderstorm Warnings in North Carolina, 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.