Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 55, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 16, 1990, 2:13 PM EDT for Davidson County, Guilford County, Randolph County, North Carolina. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1990, 2:13 PM EDT (18:13 UTC)
- Expired
- Aug 16, 1990, 3:15 PM EDT
- In force
- 62 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Davidson County, NC, 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.2 hours before the alert went out and 25 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
- 1735 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 52 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 161813
SVRGSO
NCC081-057-151-161915-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
213 PM EDT THU AUG 16 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 315 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF NORTH CAROLINA
SOUTHERN GUILFORD...NORTHERN DAVIDSON...NORTHERN RANDOLPH
AT 210 PM RADAR SHOWED SEVERE THUNDERSTORM OVER EXTREME NORTHERN
DAVIDSON COUNTY TO NEAR HIGH POINT MOVING EAST SOUTHEAST AT
ABOUT 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.
IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE IMMEDIATELY
AND TAKE SHELTER. ASK YOUR LOCAL SHERIFF OR POLICE TO RELAY YOUR
SEVERE WEATHER REPORT TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
RBNWhat 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, Aug 16, 1:09 PM EDT, 1 hour 4 minutes before
VAZALL-161800-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
100 PM EDT THU AUG 16 1990
...THUNDERSTORMS DEVELOPING OVER PORTIONS OF VIRGINIA...INCLUDING THE
SOUTHWEST SECTOR...
OVER THE NOON HOUR SCATTERED SHOWERS AND THUNDERSTORMS BEGAN TO POP UP
OVER SOUTHWEST VIRGINIA...MOSTLY FROM JUST SOUTHEAST OF ROANOKE INTO
FRANKLIN...EASTERN PATRICK...PULASKI AND HENRY COUNTIES EXTENDING
ACROSS THE STATE LINE INTO NORTH CAROLINA.
WEATHER RADAR AND AUTOMATED RAIN GAGES SHOWED THAT HEAVIEST RAINS WERE
OVER PATRICK COUNTY...WHERE AMOUNTS OF OVER FOUR-TENTHS OF AN INCH WERE
RECORDED IN A 15 MINUTE PERIOD.
THUNDERSTORMS WILL BE MOVING SLOWLY THIS AFTERNOON IN AN EAST AND
SOUTHEAST DIRECTION. PEOPLE SHOULD BE PREPARED FOR DOWNPOURS THAT
WILL POND WATER AND CAUSE DIFFICULT DRIVING CONDITIONS. THE PRIMARY
THREAT IS EXPECTED TO BE EAST OF THE BLUE RIDGES. END/MCINTOSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 12:28 PM EDT | Severe Thunderstorm Warning | RNK | Alamance | 62 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; the sounding from the Mesonet's radiosonde archive.