Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS Raleigh, NC

February 10, 1990Warren County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Feb 10, 1990, 10:45 AM EST for Warren County, North Carolina. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Feb 10, 1990, 10:45 AM EST (15:45 UTC)
Expired
Feb 10, 1990, 11:15 AM EST
In force
30 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Warren 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, 3.8 hours before the alert went out and 165 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 1990-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 1990-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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
368 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRDU 101548
SVRRDU
NCC185-101615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1045 AM EST SAT FEB 10 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL NORTH CAROLINA
          ...WARREN
 
A STRONG POTENTIALLY SEVERE THUNDERSTORM HAS BEEN DETECTED BY RADAR
OVER CENTRAL WARREN COUNTY MOVING NORTHEAST AT ABOUT 50 MPH. DAMAGING
WINDS AND HAIL ARE POSSIBLE WITH THIS STORM.
 
 
ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO
WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING FROM
A SEVERE THUNDERSTORM.

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, Feb 10, 7:38 AM EST, 3 hours 7 minutes before
NCZ006-007-009-101330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
737 AM EST SAT FEB 10 1990

...THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS THE NORTHERN
   FOOTHILLS OF NORTH CAROLINA THIS MORNING...

AT 730 AM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
HEAVY RAIN OVER OVER WESTERN WILKES AND WESTERN SURRY COUNTIES IN THE
NORTHERN FOOTHILLS OF NORTH CAROLINA. ELSEWHERE...THUNDERSTORMS WERE
OCCURRING OVER ROWAN AND SOUTHERN IREDELL COUNTIES IN THE NORTHWEST PIEDMONT.
THE STORMS WERE MOVING NORTHEAST AT ABOUT 40 MPH.

ALONG WITH THE HEAVY RAIN THESE THUNDERSTORMS MAY PRODUCE...FREQUENT
DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND LOCAL FLOODING OF
STREAMS AND ROADS.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...SEEK SAFE SHELTER
WHEN THE STORMS APPROACH.

LISTEN TO NOAA WEATHER RADIO...OR YOUR FAVORITE LOCAL RADIO OR
TELEVISION STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

WHB
Special weather statement, Feb 10, 9:15 AM EST, 1 hour 30 minutes before
NCZ006-007-101400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
900 AM EST SAT FEB 10 1990

...TORNADO WATCH UNTIL NOON...

...THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS THE NORTHERN
   FOOTHILLS NORTHWEST PIEDMONT OF NORTH CAROLINA THIS MORNING...

AT 900 AM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
HEAVY RAIN OVER SOUTHERN IRDELL COUNTY. THE REST OF THD NORTHERN
FOOTHILLS AND NORTHWEST PIEDMONT SHOWS LIGHT TO MODERATE SHOWERS
WITH POSSIBLE ISOLATED THUNDERSTORMS. THESE STORMS ARE MOVING EAST
AT ABOUT 45 MPH.

ALONG WITH THE HEAVY RAIN THESE THUNDERSTORMS MAY PRODUCE...FREQUENT
DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND LOCAL FLOODING OF
STREAMS AN)D ROADS.

LISTEN TO NOAA WEATHER RADIO...OR YOUR FAVORITE LOCAL RADIO OR
TELEVISION STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

SAS
Special weather statement, Feb 10, 10:43 AM EST, 2 minutes before
NCZ003>005-014-015-101630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1040 AM EST SAT FEB 15 1990

...TORNADO WATCH NUMBER 32 REMAINS IN EFFECT FOR MUCH OF THE PIEDMONT
AND SANDHILLS IN CENTRAL NORTH CAROLINA UNTIL NOON THIS SATURDAY.

AT 1025 AM EST NATIONAL WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS
OVER NORTHERN WAKE COUNTY AND SOUTHERN GRANVILLE COUNTY. THESE STORMS
WERE MOVING RAPIDLY TOWARD THE NORTHEAST AT 50 MPH. THESE STORMS WILL
MOVE INTO SOUTHERN VANCE AND WESTERN FRANKLIN COUNTIES BETWEEN NOW AND
1100 AM.  HEAVY RAIN...STRONG GUSTY WINDS AND HAIL MAY ACCOMPANY THESE
STORMS AS THEY PASS OVERHEAD.

A LINE OF STRONG THUNDERSTORMS IS MOVING NORTHEAST AT 35 MPH THROUGH
THE NORTHWEST PIEDMONT. THIS LINE STRETCHED FROM GREENSBORO SOUTH
THROUGH RANDOLPH COUNTY INTO MONTGOMERY COUNTY WEST OF TROY. SEVERE
WEATHER WAS REPORTED WITH THIS LINE OF STORMS AS IT PASSED THROUGH
UPSTATE SOUTH CAROLINA AND THE CITY OF CHARLOTTE EARLIER THIS MORNING.
WINDS WERE ESTIMATED AT 55 TO 60 MPH BY AN AMATEUR RADIO SKYWARN
SPOTTER IN DOWNTOWN CHARLOTTE AT 935 AM.

THE SEVERE THUNDERSTORM WARNING THAT WAS ISSUED SHORTLY AFTER 10 AM
FOR DURHAM COUNTY EXPIRED AT 1030AM. NO SEVERE WEATHER WAS REPORTED
FROM THE STORM THAT PASSED OVER SOUTHERN DURHAM COUNTY.

A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE NORTH CAROLINA
PIEDMONT AND SANDHILLS UNTIL 12NOON TODAY. LISTEN TO LOCAL RADIO..TV
OR WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

HLW

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 10, 10:01 AM ESTSevere Thunderstorm WarningRAHDurham29 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.