Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 28, NWS Newport/Morehead City, NC

August 29, 1990Currituck County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Aug 29, 1990, 7:23 PM EDT for Currituck County, North Carolina. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Aug 29, 1990, 7:23 PM EDT (23:23 UTC)
Expired
Aug 29, 1990, 8:30 PM EDT
In force
67 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Currituck 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

Cape Hatteras, NC (KHAT), launched 12:00Z, 11.4 hours before the alert went out and 128 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, Cape Hatteras, NC at 12:00Z on 1990-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2049 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cape Hatteras, NC at 12:00Z on 1990-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 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
2049 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1346 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
65 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 KHAT 292324
SVRHAT
NCC029-053-139-300030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
723 PM EDT WED AUG 29 1990
 
THE NATIONAL WEATHER SERVICE IN CAPE HATTERAS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST NORTH CAROLINA
          ...CAMDEN...CURRITUCK...PASQUOTANK
 
WIND GUSTS TO 60 MILES AN HOUR HAVE BEEN REPORTED AT THE COAST GUARD
AIR STATION IN ELIZABETH CITY. THE THUNDERSTORMS RESPONSIBLE FOR THE
SEVERE WEATHER ARE MOVING EAST...TOWARD CAMDEN AND CURRITUCK
COUNTIES...AT 30 MILES AN HOUR.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
JONES

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 6:13 PM EDTSevere Thunderstorm WarningMHXBertie, Hertford62 min
Aug 29, 6:36 PM EDTSevere Thunderstorm WarningMHXGates69 min
Aug 29, 7:23 PM EDTSevere Thunderstorm WarningMHXCamden, Pasquotank67 min
Aug 29, 7:53 PM EDTSevere Thunderstorm WarningMHXDare67 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.