Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 21, NWS Wilmington, NC

June 22, 1990Craven County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 22, 1990, 2:57 PM EDT for Craven County, North Carolina. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1990, 2:57 PM EDT (18:57 UTC)
Expired
Jun 22, 1990, 3:30 PM EDT
In force
33 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Craven 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, 7.0 hours before the alert went out and 145 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 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3113 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 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.193958Sfc1 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
3113 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILM 221858
SVRILM
NCC049-221930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
257 PM EDT FRI JUN 22 1990
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST NORTH CAROLINA
          ...NORTHERN CRAVEN
 
AT 255 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM THAT
WAS JUST WEST OF VANCEBORO NORTH CAROLINA IN NORTHERN CRAVEN
COUNTY. THE STORM WAS MOVING TO THE EAST NORTHEAST AT 30 MPH.
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WItTH ANY THUNDERSTORM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 2:47 PM EDTSevere Thunderstorm WarningILMBeaufort, Pamlico58 min
Jun 22, 4:04 PM EDTSevere Thunderstorm WarningILMPamlico56 min
Jun 22, 4:04 PM EDTSevere Thunderstorm WarningILMCarteret56 min
Jun 22, 7:48 PM EDTSevere Thunderstorm WarningILMJones, Onslow57 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.