Alert archive / North Carolina / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 23, NWS Raleigh, NC

May 10, 1995Harnett County, Johnston County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 10, 1995, 6:38 AM EDT for Harnett County, Johnston County, North Carolina. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
May 10, 1995, 6:38 AM EDT (10:38 UTC)
Expired
May 10, 1995, 7:15 AM EDT
In force
37 min
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Harnett County, NC, Johnston County, NC

The radar

The Raleigh/Durham radar (KRAX), 27 km from the middle of the area, began a volume at 10:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.6 hours before the alert went out and 136 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 00:00Z on 1995-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 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, Greensboro/Hi Pt, NC at 00:00Z on 1995-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
191 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 101040
SVRRDU
NCC101-085-101115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
638 AM EDT WED MAY 10 1995
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL NORTH CAROLINA
 
   ...SOUTHERN JOHNSTON COUNTY
 
IN SOUTHEAST NORTH CAROLINA
 
   ...EASTERN HARNETT COUNTY
 
AT 635 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS MOVING ACROSS SOUTHERN JOHNSTON AND EASTERN
HARNETT COUNTIES.
 
THIS LINE OF THUNDERSTORMS WAS MOVING TO EAST ABOUT 40 MPH.
 
 
PEOPLE SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WIND.
FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN POSE A DANGER WITH ANY
THUNDERSTORM.  SEEK SHELTER IMMEDIATELY AND REPORT DAMAGE TO
EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.
 
 
RA

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, 5:14 AM EDT, 1 hour 24 minutes before
NCZALL-101030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
510 AM EDT WED MAY 10 1995

AT 5:00 AM NATIONAL WEATHER SERVICE DOPLER RADAR AT RALEIGH SHOWED A
LINE OF STRONG THUNDERSTORMS EXTENDING NORTHEAST FROM SOUTHEAST
MONTGOMERY COUNTY...THROUGH MOORE...LEE...EASTERN CHATHAM AND WAKE
COUNTIES.

THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MILES AN HOUR.
THE THUNDERSTORMS WILL BE ACCOMPANIED BY GUSTY WINDS...HEAVY DOW^NPOURS
AND DANGEROUS LIGHTING. THE HEAVY RAIN MAY ALSO RESULT IN SOME URBAN
FLOODING IN POOR DRAINAGE AREAS.

CONTINUE TO MONITOR LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO
FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.

RHJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 3:54 AM EDTSevere Thunderstorm WarningRAHChatham36 min
May 10, 5:27 AM EDTSevere Thunderstorm WarningRAHHarnett, Johnston33 min
May 10, 5:27 AM EDTSevere Thunderstorm WarningRAHNash33 min
May 10, 6:00 AM EDTSevere Thunderstorm WarningRAHWilson30 min
May 10, 12:40 PM EDTSevere Thunderstorm WarningRAHSampson25 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.