Alert archive / North Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 49, NWS Raleigh, NC

June 21, 1994Franklin County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 21, 1994, 5:22 PM EDT for Franklin County, North Carolina. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1994, 5:22 PM EDT (21:22 UTC)
Expired
Jun 21, 1994, 6:30 PM EDT
In force
68 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Franklin County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.4 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, Greensboro/Hi Pt, NC at 12:00Z on 1994-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 798 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 12:00Z on 1994-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
798 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
28 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 
WUUS1 KRDU 212123
SVRRAH
NCC069-212230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
522 PM EDT TUE JUN 21 1994
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...FRANKLIN COUNTY
 
NATIONAL WEATHER SERVICE RADAR AT 520 WAS SHOWING A SEVERE THUNDERSTORM
NEAR THE VANCE AND FRANKLIN COUNTY BORDER ABOUT 8 MILES NORTHWEST OF
LOUISBURG. THE STORM WAS MOVING VERY SLOWLY TO THE SOUTHEAST AND IN
ADDITION TO THE WIND AND HAIL...SOME FLOODING IS POSSIBLE ESPECIALLY IN
LOW LYING AREAS.
 
 
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.
 
 
 


OAD, ILL-DEFINED SYSTEM WITH
SEVERAL POSSIBLE LOW-LEVEL CIRCULATION CENTERS. THE WHOLE SYSTEM
HAS BEEN MOVING STEADILY TOWARDS THE WEST-NORTHWEST. TD 06W IS
EXPECTED TO REMAIN A WEAK TROPICAL DEPRESSION AS IT TRACKS TOWARDS
THE CENTRAL PHILIPPINE ISLANDS, WHERE LAND INTERACTION NEAR THE END
OF THE FORECAST PERIOD SHOULD BEGIN TO DISRUPT THE LOW-LEVEL
INFLOW. NEXT WARNINGS AT 220900Z3 (DTG 220751Z7) AND 222100Z7
(DTG 221951Z0).

BT
#7397

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, Jun 21, 3:49 PM EDT, 1 hour 33 minutes before
NCZ003>006-019>023-035>039-057-212045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
347 PM EDT TUE JUN 21 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHWEST PIEDMONT
UNTIL 1000 PM...

AT 340 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND
THUNDERSTORMS EXTENDING FROM CASWELL COUNTY SOUTHWEST THROUGH THE TRIAD
TO DAVIE COUNTY.  THE STRONGEST THUNDERSTORMS WERE OCCURING OVER
REIDSVILLE IN ROCKINGHAM COUNTY...AND OVER THE CITY OF WINSTON-SALEM IN
FORSYTH COUNTY.

THE SHOWERS AND THUNDERSTORM WERE MOVING SOUTHEAST AT 15 MILES AN HOUR.

ALTHOUGH SEVERE WEATHER IS NOT CURRENTLY OCCURING ACROSS THE NORTHWEST
PIEDMONT...A FEW THUNDERSTORMS THAT DEVELOP THIS EVENING WILL HAVE THE
POTENTIAL TO PRODUCE TORRENTIAL DOWNPOURS...DAMAGING WINDS...AND LARGE
HAIL.

ALL PERSONS IN THE NORTHWEST PIEDMONT ARE ADVISED TO REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TO SEEK SAFE SHELTER IF TfHREATENING
WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

JSN
Special weather statement, Jun 21, 4:45 PM EDT, 37 minutes before
NCZ003>006-019>023-035>039-057-212200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
445 PM EDT TUE JUN 21 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST
PIEDMONT UNTIL 1000 PM...

AT 440 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER THE NORTHWEST PIEDMONT.  THE STRONGEST THUNDERSTORM
WAS OVER SOUTH-CENTRAL GUILFORD COUNTY 15 MILES SOUTHEAST OF GREENSBORO.

THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

ALTHOUGH SEVERE WEATHER IS NOT CURRENTLY OCCURING ACROSS THE NORTHWEST
PIEDMONT...A FEW THUNDERSTORMS THAT DEVELOP THIS EVENING WILL HAVE THE
POTENTIAL TO PRODUCE TORRENTIAL DOWNPOURS...DAMAGING WINDS...AND LARGE
HAIL.

ALL PERSONS IN THE NORTHWEST PIEDMONT ARE ADVISED TO REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TO SEEK SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

JSN
Special weather statement, Jun 21, 4:46 PM EDT, 36 minutes before
NCZ003>006-019>023-035>039-057-212200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
445 PM EDT TUE JUN 21 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST
PIEDMONT UNTIL 1000 PM...

AT 440 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
A THUNDERSTORMS OVER THE NORTHWEST PIEDMONT.  THE STRONGEST THUNDERSTORM
WAS OVER SOUTH-CENTRAL GUILFORD COUNTY 15 MILES SOUTHEAST OF GREENSBORO.

THE SHOWERS AND THUNDERSTORM WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

ALTHOUGH SEVERE WEATHER IS NOT CURRENTLY OCCURING ACROSS THE NORTHWEST
PIEDMONT...A FEW THUNDERSTORMS THAT DEVELOP THIS EVENING WILL HAVE THE
POTENTIAL TO PRODUCE TORRENTIAL DOWNPOURS...DAMAGING WINDS...AND LARGE
HAIL.

ALL PERSONS IN THE NORTHWEST PIEDMONT ARE ADVISED TO REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TO SEEK SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

JSN
Special weather statement, Jun 21, 4:49 PM EDT, 33 minutes before
NCZ003>006-019>023-035>039-057-212200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
445 PM EDT TUE JUN 21 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST
PIEDMONT UNTIL 1000 PM...

AT 440 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER THE NORTHWEST PIEDMONT.  THE STRONGEST THUNDERSTORM
WAS OVER SOUTH-CENTRAL GUILFORD COUNTY 15 MILES SOUTHEAST OF GREENSBORO.

THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

ALTHOUGH SEVERE WEATHER IS NOT CURRENTLY OCCURING ACROSS THE NORTHWEST
PIEDMONT...A FEW THUNDERSTORMS THAT DEVELOP THIS EVENING WILL HAVE THE
POTENTIAL TO PRODUCE TORRENTIAL DOWNPOURS...DAMAGING WINDS...AND LARGE
HAIL.

ALL PERSONS IN THE NORTHWEST PIEDMONT ARE ADVISED TO REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TO SEEK SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TELEVISION STATIONS
FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

JSN
Local storm report, Jun 21, 5:20 PM EDT, 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
520 PM EDT TUE JUN 21 1994

TIME           EVENT

500 PM EDT     2 TREES DOWN IN DURHAM - DURHAM COUNTY. ONE BLOCKING
               TRAFFIC ON A ROAD... THE OTHER KNOCKING DOWN POWER
               LINES.

MLM
Local storm report, Jun 21, 5:21 PM EDT, 1 minute before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
520 PM EDT TUE JUN 21 1994

TIME           EVENT

500 PM EDT     2 TREES DOWN IN DURHAM - DURHAM COUNTY. ONE BLOCKING
               TRAFFIC ON A ROAD... THE OTHER KNOCKING DOWN POWER
               LINES.

MLM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 4:30 PM EDTSevere Thunderstorm WarningRAHDurham, Wake60 min
Jun 21, 5:03 PM EDTSevere Thunderstorm WarningRAHGranville57 min
Jun 21, 6:21 PM EDTSevere Thunderstorm WarningRAHHarnett54 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1994Every severe thunderstorm warning in 1994

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.