Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 42, NWS Raleigh, NC

May 3, 1997Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 3, 1997, 8:58 AM EDT for Wake County, North Carolina. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 3, 1997, 8:58 AM EDT (12:58 UTC)
Expired
May 3, 1997, 9:30 AM EDT
In force
32 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wake County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 3, 8:00 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 1.0 hours before the alert went out and 117 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 1997-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -95 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-95 m²/s²
0-3 km storm-relative helicity
61 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.

823 
WUUS1 KRDU 031258 RRA
SVRRDU
NCC183-031330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
858 AM EDT SAT MAY 3 1997
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...WAKE COUNTY
 
AT 855AM NATIONAL WEATHER SERVICE DOPPLER RADAR IN RALEIGH SHOWED A VERY
STRONG THUNDERSTORM ABOUT 3 MILES WEST OF FUQUAY VARINA. ANOTHER STRONG
THUNDERSTORM WAS LOCATED OVER NORTH RALEIGH.
 
THE STORMS ARE MOVING NORTHEAST ABOUT 45 TO 50 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.

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 3, 6:56 AM EDT, 2 hours 2 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-031500-

SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA
NATIONAL WEATHER SERVICE RALEIGH NC
700 AM EDT SAT MAY 3 1997

...SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY...

(THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO
THE COUNTIES LISTED AT THE END OF TEXT.)

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER ALL OF CENTRAL
NORTH CAROLINA THIS MORNING AND THIS AFTERNOON. THE MAIN THREAT ACROSS
THE AREA WILL BE HIGH WINDS AND HAIL.

AN AREA OF SHOWERS AND THUNDERSTORMS... LOCATED OVER EAST TENNESSEE
AND WESTERN NORTH CAROLINA EARLY THIS MORNING... WILL MOVE EAST ACROSS
CENTRAL AND EASTERN NORTH CAROLINA TODAY. THESE SHOWERS AND STORMS
WERE AHEAD OF A COLD FRONT WHICH WILL PUSH INTO CENTRAL NORTH CAROLINA
BY LATE THIS AFTERNOON. IN ADDITION TO THE SHOWERS AND STORMS THAT
WILL CROSS THE AREA THIS MORNING THROUGH EARLY AFTERNOON... ADDITIONAL
THUNDERSTORMS MAY DEVELOP ALONG THE FRONT OVER CENTRAL NORTH CAROLINA
LATER THIS AFTERNOON. UNSTABLE AIR OVER THE REGION AND STRONG LOW
LEVEL WINDS WILL HELP SUPPORT SOME STRONG THUNDERSTORMS WHICH HAVE THE
POTENTIAL FOR PRODUCING ISOLATED DAMAGING WINDS AND HAIL.

SPOTTER ACTIVATION MAY BE NEEDED BY 1100 AM.

ANOTHER SEVERE WEATHER OUTLOOK WILL BE ISSUED AT 1100 AM.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE
WATCHES AND WARNINGS.

GIH
*********************************************************************

ALAMANCE          ANSON              CHATHAM            CUMBERLAND
DAVIDSON          DURHAM             EDGECOMBE          FORSYTH
FRANKLIN          GRANVILLE          GUILFORD           HALIFAX
HARNETT           HOKE               JOHNSTON           LEE
MONTGOMERY        MOORE              NASH               ORANGE
PERSON            RANDOLPH           RICHMOND           SAMPSON
SCOTLAND          STANLY             VANCE              WAKE
WARREN            WAYNE              WILSON
Special weather statement, May 3, 7:00 AM EDT, 1 hour 58 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-031500-

SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA
NATIONAL WEATHER SERVICE RALEIGH NC
700 AM EDT SAT MAY 3 1997

...SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY...

(THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO
THE COUNTIES LISTED AT THE END OF TEXT.)

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER ALL OF CENTRAL
NORTH CAROLINA THIS MORNING AND THIS AFTERNOON. THE MAIN THREAT ACROSS
THE AREA WILL BE HIGH WINDS AND HAIL.

AN AREA OF SHOWERS AND THUNDERSTORMS... LOCATED OVER EAST TENNESSEE
AND WESTERN NORTH CAROLINA EARLY THIS MORNING... WILL MOVE EAST ACROSS
CENTRAL AND EASTERN NORTH CAROLINA TODAY. THESE SHOWERS AND STORMS
WERE AHEAD OF A COLD FRONT WHICH WILL PUSH INTO CENTRAL NORTH CAROLINA
BY LATE THIS AFTERNOON. IN ADDITION TO THE SHOWERS AND STORMS THAT
WILL CROSS THE AREA THIS MORNING THROUGH EARLY AFTERNOON... ADDITIONAL
THUNDERSTORMS MAY DEVELOP ALONG THE FRONT OVER CENTRAL NORTH CAROLINA
LATER THIS AFTERNOON. UNSTABLE AIR OVER THE REGION AND STRONG LOW
LEVEL WINDS WILL HELP SUPPORT SOME STRONG THUNDERSTORMS WHICH HAVE THE
POTENTIAL FOR PRODUCING ISOLATED DAMAGING WINDS AND HAIL.

SPOTTER ACTIVATION MAY BE NEEDED BY 1100 AM.

ANOTHER SEVERE WEATHER OUTLOOK WILL BE ISSUED AT 1100 AM.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE
WATCHES AND WARNINGS.

GIH
*********************************************************************

ALAMANCE          ANSON              CHATHAM            CUMBERLAND
DAVIDSON          DURHAM             EDGECOMBE          FORSYTH
FRANKLIN          GRANVILLE          GUILFORD           HALIFAX
HARNETT           HOKE               JOHNSTON           LEE
MONTGOMERY        MOORE              NASH               ORANGE
PERSON            RANDOLPH           RICHMOND           SAMPSON
SCOTLAND          STANLY             VANCE              WAKE
WARREN            WAYNE              WILSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 10:10 AM EDTSevere Thunderstorm WarningRAHWilson35 min
May 3, 10:12 AM EDTSevere Thunderstorm WarningRAHWayne33 min
May 3, 10:31 AM EDTSevere Thunderstorm WarningRAHEdgecombe29 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1997Every severe thunderstorm warning in 1997

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.