Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Newport/Morehead City, NC

July 10, 1993Martin County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jul 10, 1993, 6:07 PM EDT for Martin County, North Carolina. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 6:07 PM EDT (22:07 UTC)
Expired
Jul 10, 1993, 7:00 PM EDT
In force
53 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

County Martin County, NC

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 12:00Z, 10.1 hours before the alert went out and 159 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 1993-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2203 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 1993-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
2203 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
89 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 102209 RRA
SVRHAT
NCC117-102300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
607 PM EDT SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE IN CAPE HATTERAS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...SOUTHERN MARTIN COUNTY
 
A SEVERE THUNDERSTOM WAS ALONG THE BEAUFORT/MARTIN COUNTY
LINE...REACHING AS FAR NORTH AS WILLIAMSTON.
 
LARGE HAIL...FREQUENT DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS WILL
ACOMPANY THIS THUNDERSTORM.
 
THE THUNDERSTORM WAS MOVING SLOWLY SOUTHEAST AT 5 MILES AN HOUR.
 
 
IF YOU ARE OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. IF YOU CANNOT GET TO A BUILDING...AVOID HILL TOPS...
TREES...TELEPHONE POLES AND METAL FENCES. BE READY FOR DAMAGING
WINDS...LARGE HAIL...DEADLY LIGHTNING AND HEAVY RAIN.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...LARGE 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
AVOID DRIVING INTO AREAS WHERE WATER COVERS :THE ROAD.

Nearby

Severe Thunderstorm Warnings in North Carolina, 1993Every severe thunderstorm warning in 1993

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.