Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 38, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 9, 1990, 8:33 PM EDT for Caswell County, Rockingham County, North Carolina. It was in force for 42 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
- Jun 9, 1990, 8:33 PM EDT (00:33 UTC)
- Expired
- Jun 9, 1990, 9:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Caswell County, NC, Rockingham 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 |
|---|---|---|---|
| Jun 9, 8:44 PM EDT | Hail 1 | Caswell, 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 00:00Z, 0.6 hours before the alert went out and 47 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
- 19 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGSO 100033
SVRGSO
NCC033-157-100115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
833 PM EDT SAT JUN 9 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF NORTH CAROLINA
CASWELL...ROCKINGHAM
AT 830 PM RADAR SHOWED SEVERE THUNDERSTORMS OVER NORTHERN CASWELL
AND SOUTHERN ROCKINGHAM COUNTIES. MOVEMENT EAST AT 15 MPH.
IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WINDS..LARGE HAIL..VERY HEAVY
DOWNPOURS AND FREQUENT DEADLY LIGHTNING.
THIS THUNDERSTORM MAY CAUSE THE FLOODING OF SMALL STREAMS..CREEKS..
UNDERPASSES AND LOW LYING ROADWAYS. AVOID DRIVING ACROSS AREAS WHERE
WATER COVERS THE ROADWAY.
GRWhat 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, Jun 9, 2:39 PM EDT, 5 hours 54 minutes before
VAZ013-014-016-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 230 PM EDT SAT JUN 9 1990 ...THUNDERSTORMS MOVING INTO WESTCENTRAL VIRGINIA... AT 230 PM EDT RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER GREENBRIER WEST VIRGINIA..THIS AREA IS MOVING EAST AROUND 35 MPH AND SHOULD BE ENTERING ALLEGHANY COUNTY IN WESTCENTRAL VIRGINIA AND ALSO NORTHERN BOTETOURT COUNTY WITHIN THE HOUR. PEOPLE IN THESE COUNTIES SHOULD UBE ALERT FOR STRONG GUSTY WIND HEAVY DOWNPOURS AND POSSIBLE HAIL. CG
Special weather statement, Jun 9, 3:34 PM EDT, 4 hours 59 minutes before
VAZ013-014-016-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 330 PM EDT SAT JUN 9 1990 ...SHOWERS AND THUNDERSTORMS ARE DEVELOPING OVER THE SOUTHWESTERN MOUNTAINS... AT 330 PM EDT RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER THE COUNTIES OF BLAND AND WYTHE IN SOUTHWESTERN VIRGINIA..THIS AREA IS MOVING TOWARDS THE EAST AT AROUND 30 MPH. THESE STORMS ARE EXPECTED TO MOVE INTO PULASKI COUNTY SHORTLY. PEOPLE IN THESE COUNTIES CAN EXPECT SOME STRONG GUSTY WIND HEAVY DOWNPOURS DANGEROUS LIGHTNING AND SOME HAIL. CG
Special weather statement, Jun 9, 4:05 PM EDT, 4 hours 28 minutes before
VAZALL-092100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 405 PM EDT SAT JUN 9 1990 ...SHOWERS AND THUNDERSTORMS DEVELOPING AND MOVING ACROSS SOUTHWEST VIRGINIA... AT 400 PM EDT RADAR SHOWED SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN OVER MONTGOMERY COUNTY...AND EXTENDING INTO SOUTHERN CRAIG COUNTY. THESE STORMS ARE MOVING TO THE EAST AT ABOUT 30 MPH...AND WILL BE MOVING INTO ROANOKE...FLOYD...AND FRANKLIN COUNTIES WITHIN THE HOUR. THESE STORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...BRIEF HEAVY DOWNPOURS...AND DANGEROUS LIGHTNING. THEY MAY ALSO HAVE SOME HAIL. PEOPLE IN THESE COUNTIES SHOULD STAY ALERT TO THE WEATHER...AND SEEK SHELTER IF THREATENING WEATHER APPROACHES. END/JJ
Special weather statement, Jun 9, 4:12 PM EDT, 4 hours 21 minutes before
VAZ009-092040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LYNCHBURG VA 310 PM EDT SAT JUN 9 1990 AT 310 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATES A LARGE THUNDERSTORM ENTERING NORTHWEST AMHERST COUNTY VIRGINIA MOVING EAST ABOUT 30 MPH. THIS STORM WILL PRODUCE HEAVY DOWNPOURS AND POSSIBLY HAIL AS IT MOVES EASTWARD ACROSS NORTHERN AMHERST COUNTY DURING THE NEXT HALF HOUR. HUDGINS
Special weather statement, Jun 9, 4:36 PM EDT, 3 hours 57 minutes before
VAZALL-092200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 435 PM EDT SAT JUN 9 1990 ...SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND WEST CENTRAL VIRGINIA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED EFFECTIVE UNTIL 1100 PM FOR ALL OF SOUTHWEST...AND PART OF WEST CENTRAL VIRGINIA. THE WATCH AREA COVERS AUGUSTA..ROCKBRIDGE..BOTETOURT..ROANOKE..FLOYD AND CARROLL COUNTIES...AND EXTENDING WESTWARD ACROSS THE REST OF SOUTHWEST VIRGINIA. AT 430 PM RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHERN CRAIG...NORTHERN ROANOKE...AND SOUTHERN BOTETOURT COUNTIES. THERE WAS ALSO SOME THUNDERSTORMS WITH VERY HEAVY RAIN INDICATED OVER AMHERST COUNTY. MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT ABOUT 30 MPH. PEOPLE IN THE WATCH AREA SHOULD KEEP ANEYE OUT FOR THREATENING WEATHER. BE PREPARED TO TAKE SHELTER WHEN THREATENING WEATHER APPROACHES. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE SUCH THAT THESE THUNDERSTORMS COULD PRODUCE DAMAGING WINDS OR LARGE HAIL. LISTEN TO RADIO OR TV FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. END/JJ
Special weather statement, Jun 9, 5:24 PM EDT, 3 hours 9 minutes before
VAZALL-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 520 PM EDT SAT JUN 9 1990 ...SEVERE THUNDERSTORM WATCH MOST OF VIRGINIA UNTIL 1100 PM... A SEVERE THUNDERSTORM WATCH NOW COVERS ALL OF VIRGINIA EXCEPT FOR SOUTHEAST VIRGINIA. IT INCLUDES ALL OF THE COUNTIES AND CITIES IN THE ROANOKE AND LYNCHBURG AREAS OF RESPONSIBILITY. AT 415 PM RADAR WAS DETECTING A BAND OF THUNDERSTORMS WITH HEAVY RAIN THAT EXTENDED ACROSS CENTRAL VIRGINIA FROM NELSON AND AMHERST COUNTIES.. SOUTHWESTWARD THROUGH BEDFORD..FRANKLIN AND PATRICK COUNTIES. ANOTHER BAND OF THUNDERSTORMS WITH HEAVY RAIN WAS OVER THE WEST CENTRAL HIGHLANDS OF VIRGINIA OVER BATH AND ALLEGHENY COUNTIES. MOVEMENT OF THE INDIVIDUAL STORMS WAS TO THE EAST AT 30 MPH...WHILE THE BANDS APPEARED TO BE MOVING TO THE SOUTHEAST. PEOPLE IN THE WATCH AREA ARE URGED TO REMAIN ALERT TO THE WEATHER. NO SEVERE WEATHER HAS BEEN REPORTED TO THE ROANOKE WEATHER OFFICE YET... 1BUT THESE STORMS WILL PRODUCE VERY HEAVY RAIN..STRONG GUSTY WINDS.. AND DANGEROUS LIGHTNING. THEY MAY ALSO PRODUCE DAMAGING WIND AND LARGE HAIL. IF THREATENING WEATHER APPROACHES...SEEK SAFE SHELTER IMMEDIATELY. END/JJ
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 9:17 PM EDT | Severe Thunderstorm Warning | RNK | Alamance | 28 min |
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.