Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 49, NWS Raleigh, NC

June 2, 1997Chatham County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 2, 1997, 1:45 PM EDT for Chatham County, North Carolina. It was in force for 30 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
Jun 2, 1997, 1:45 PM EDT (17:45 UTC)
Expired
Jun 2, 1997, 2:15 PM EDT
In force
30 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Chatham County, NC

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 11:45 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.8 hours before the alert went out and 72 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 1997-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 719 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 1997-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
719 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 021746 RRA
SVRRDU
NCC037-021815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
145 PM EDT MON JUN 2 1997
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...WESTERN CHATHAM COUNTY
 
DOPPLER RADAR INDICATES A SEVERE THUNDERSTORM NEAR SILER CITY...MOVING
NORTH AT 15 MPH. THIS CELL IS LIKELY PRODUCING LARGE HAIL AND POSSIBLY
DAMAGING WINDS.
 
 
PEOPLE SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WIND.
FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN POSE A DANGER WITH ANY
THUNDERSTORM. r SEEK SHELTER IMMEDIATELY AND REPORT DAMAGE TO
EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 12:18 PM EDTSevere Thunderstorm WarningRAHMoore27 min
Jun 2, 1:28 PM EDTSevere Thunderstorm WarningRAHLee32 min
Jun 2, 1:57 PM EDTSevere Thunderstorm WarningRAHLee33 min
Jun 2, 3:01 PM EDTSevere Thunderstorm WarningRAHGuilford29 min
Jun 2, 3:42 PM EDTSevere Thunderstorm WarningRAHWake33 min
Jun 2, 4:11 PM EDTSevere Thunderstorm WarningRAHWake49 min
Jun 2, 4:55 PM EDTSevere Thunderstorm WarningRAHDavidson35 min
Jun 2, 5:32 PM EDTSevere Thunderstorm WarningRAHWake43 min
Jun 2, 5:50 PM EDTSevere Thunderstorm WarningRAHJohnston, Wake40 min
Jun 2, 6:05 PM EDTSevere Thunderstorm WarningRAHForsyth25 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.