Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 29, NWS Raleigh, NC

May 10, 1990Halifax County, Northampton County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 10, 1990, 6:19 PM EDT for Halifax County, Northampton County, North Carolina. It was in force for 26 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
May 10, 1990, 6:19 PM EDT (22:19 UTC)
Expired
May 10, 1990, 6:45 PM EDT
In force
26 min
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Halifax County, NC, Northampton 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

TimeReportWhereRemark
May 10, 6:25 PM EDTThunderstorm Wind 0Halifax, 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, 10.3 hours before the alert went out and 215 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 1990-05-10Temperature 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 1990-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.19395878Sfc1 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
43 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 102221
SVRRDU
NCC083-131-102245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
619 PM EDT THU MAY 10 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NORTH CAROLINA
 
   ...EASTERN HALIFAX COUNTY...NORTHHAMPTON COUNTY
 
AT 617 PM EDT...WEATHER RADAR INDICATED A LINE OF POTENTIALLY SEVERE
THUNDERSTORMS MOVING ACROSS EASTERN HALIFAX COUNTY TOWARD NORTHAMPTON
COUNTY. THESE STORMS ARE MOVING EAST NORTHEAST AT 50 MPH. EARLIER THIS
EVENING THESE THUNDERSTORMS PRODUCED DAMAGING WIND OVER NORTHERN NASH
COUNTY.
 
 
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, May 10, 3:30 PM EDT, 2 hours 49 minutes before
NCZALL-102030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
330 PM EDT THU MAY 10 1990

TORNADO WATCH NUMBER 208 REMAINS IN EFFECT FOR A LARGE PART OF
CENTRAL NORTH CAROLINA UNTIL 7 PM. HOWEVER...THE WATCH HAS BEEN
CANCELLED FOR THE SOUTHERN PIEDMONT WHICH INCLUDES CHARLOTTE.
DRY AIR SPREADING RAPIDLY INTO NORTH CAROLINA FROM THE WEST AND
SOUTHWEST HAS STABILIZED THE ATMOSPHERE OVER MOST OF WESTERN
NORTH CAROLINA.

VERY UNSTABLE CONDITIONS EXIST IN THE EAST. TORNADO WATCH NUMBER
210 HAS BEEN ISSUED FOR MUCH OF EASTERN NORTH CAROLINA UNTIL 10 PM.
NO REPORTS OF SEVERE WEATHER HAD BEEN RECEIVED BY 330 PM BUT THE
POTENTIAL FOR RAPID SEVERE THUNDERSTORM DEVELOPMENT WILL EXIST UNTIL
THE DRY AND STABLE AIR OVER WESTERN NORTH CAROLINA REACHES THE COAST
TONIGHT.
^
LGL
Special weather statement, May 10, 4:11 PM EDT, 2 hours 8 minutes before
NCZALL-202100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
410 PM EDT THU MAY 10 1990

TORNADO WATCH NUMBER 208 IS STILL IN EFFECT FOR PORTIONS OF CENTRAL
NORTH CAROLINA UNTIL 7 PM. HOWEVER...THE WATCH IS NO LONGER IN EFFECT
FOR THE NORTHWEST PIEDMONT WHICH INCLUDES THE WINSTON SALEM-HIGH
POINT-GREENSBORO AREA.

TORNADO WATCH NUMBER 210 REMAINS IN EFFECT UNTIL 10 PM FOR MOST OF
EASTERN NORTH CAROLINA.

AT 410...THUNDERSTORMS WERE DEVELOPING OVER THE NORTHEAST PIEDMONT.
A STRENGTHENING THUNDERSTORM WAS MOVING ACROSS ORANGE COUNTY BETWEEN
CHAPEL HILL AND HILLSBOROUGH. IT WAS MOVING TO THE NORTHEAST AT ABOUT
30 MPH AND WILL PROBABLY AFFECT NORTHERN DURHAM COUNTY BEFORE 5 PM.

ANOTHER THUNDERSTORM WAS MOVING FROM NORTHERN PERSON COUNTY INTO
NORTHERN GRANVILLE COUNTY. AN ISOLATED THUNDERSTORM OVER SOUTHERN
MOORE COUNTY WAS MOVING TOWARD SOUTHERN HARNETT COUNTY. ALL OF
THE THUNDERSTORMS WERE MOVING TO THE NORTHWEAST AT ABOUT 30 MPH.

LISTEN TO RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR STATEMENTS
AND POSSIBLY WARNINGS.

LGL
Special weather statement, May 10, 4:22 PM EDT, 1 hour 57 minutes before
NCZ006-102100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
420 PM EDT THU MAY 10 1990

...TORNADO WATCH CANCELLED FOR THE NORTHWEST PIEDMONT...

AT 415 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS
OVER PARTS OF THE NORTHEAST PIEDMONT NORTH AND WEST OF RALEIGH.
THERE WERE A FEW LIGHT RAINSHOWERS OVER NORTHERN RANDOLPH COUNTY.
OTHERWISE...THE NORTHWEST PIEDMONT WAS CLEAR OF PRECIPITATION.
MOVEMENT WAS TO THE NORTHEAST AT 45 MPH. NO SEVERE WEATHER HAD BEEN
REPORTED OR RECEIVED THIS AFTERNOON.

THIS WILL BE THE LAST STATEMENT ISSUED FROM THIS OFFICE FOR THIS EVENT.

GR
Special weather statement, May 10, 5:05 PM EDT, 1 hour 14 minutes before
NCZALL-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
505 PM EDT THU MAY 10 1990

...TORNADO WATCH NUMER 208 REMAINS IN EFFECT UNTIL 7 PM FOR PARTS OF
CENTRAL NORTH CAROLINA. TORNADO WATCH NUMBER 210 IS IN EFFECT FOR MOST
OF EASTERN NORTH CAROLINA UNTIL 10 PM.

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING IN THE
NORTHEAST PIEDMONT...SANDHILLS...AND NORTHERN COASTAL PLAIN AT 505 PM.
THUNDERSTORMS WERE OVER VANCE...EASTERN WAKE...NORTHEAST HARNETT...AND
SOUTHERN HOKE COUNTIES. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST
AT ABOUT 40 MPH.

NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED BY THE NATIONAL WEATHER
SERVICE. HOWEVER...AN AMATEUR RADIkO OPERATOR IN RALEIGH REPORTED VERY
HEAVY RAIN AND WINDS GUSTING BETWEEN 40 AND 50 MPH ON I-40 NEAR LAKE
WHEELER ROAD.
^
LGL
Special weather statement, May 10, 5:44 PM EDT, 35 minutes before
NCZ003>005>014-102300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
543 PM EDT THU MAY 10 1990

...TORNADO WATCH NUMBER 208 IS NO LONGER IN EFFECT FOR THE NORTHEAST
PIEDMONT INCLUDING THE RALEIGH-DURHAM-CHAPEL HILL AREA AND FOR THE
SANDHILLS INCLUDING FAYETTEVILLE.

TORNADO WATCH NUMBER 210 REMAINS IN EFFECT FOR MOST OF THE COASTAL PLAIN
AND COASTAL AREAS UNTIL 10 PM.

LGL
Local storm report, May 10, 6:12 PM EDT, 7 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
612 PM EDT THU MAY 10 1990

TIME           EVENT
544 PM EDT     NASH COUNTY...A FIRE DEPARTMENT REPORTS TREES BLOWN
               ACROSS A ROAD AND POWER LINES IN NORTHERN PART OF
               THE COUNTY.

LGL

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.