Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 79, NWS Raleigh, NC

July 5, 1997Halifax County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 5, 1997, 7:41 PM EDT for Halifax County, North Carolina. It was in force for 34 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
Jul 5, 1997, 7:41 PM EDT (23:41 UTC)
Expired
Jul 5, 1997, 8:15 PM EDT
In force
34 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Halifax County, NC

The radar

The Norfolk radar (KAKQ), 99 km from the middle of the area, began a volume at 23:41 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 5, 2:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.7 hours before the alert went out and 179 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, Newport, NC at 12:00Z on 1997-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3402 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, Newport, NC at 12:00Z on 1997-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 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
3402 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 052342 RRA
SVRRDU
NCC083-060015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
741 PM EDT SAT JUL 5 1997
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...SOUTHERN HALIFAX COUNTY
 
NATIONAL WEATHER SERVICE RADAR INDICATES A SEVERE THUNDERSTORM IN
SOUTHERN HALIFAX COUNTY IN THE VICINITY OF SCOTLAND NECK. THIS STORM IS
MOVING TO THE EAST AT 25 MILES AN HOUR. THIS IS A DANGEROUS STORM LIKELY
PRODUCING LARGE DAMAGING HAIL.

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

Local storm report, Jul 5, 5:28 PM EDT, 2 hours 13 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
528 PM EDT SAT JUL 05 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM    ROCKINGHAM                NC   1.5 INCH HAIL
07/05/97   RICHMOND                       PING PONG BALL SIZED HAIL
                                          REPORTED CO. SHERRIF

0505 PM    HAMLET                    NC   1.5 INCH HAIL
07/05/97   RICHMOND                       PING PONG BALL SIZED HAIL
                                          REPORTED BY POLICE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 9:52 PM EDTSevere Thunderstorm WarningRAHDavidson, Guilford53 min
Jul 4, 10:21 PM EDTSevere Thunderstorm WarningRAHRandolph39 min
Jul 4, 11:17 PM EDTSevere Thunderstorm WarningRAHDurham, Wake43 min
Jul 4, 11:46 PM EDTSevere Thunderstorm WarningRAHFranklin44 min
Jul 4, 11:59 PM EDTSevere Thunderstorm WarningRAHJohnston46 min
Jul 5, 12:05 AM EDTSevere Thunderstorm WarningRAHNash25 min
Jul 5, 12:21 AM EDTSevere Thunderstorm WarningRAHHalifax54 min
Jul 5, 12:35 AM EDTSevere Thunderstorm WarningRAHWilson25 min
Jul 5, 4:53 PM EDTSevere Thunderstorm WarningRAHAnson, Richmond37 min
Jul 5, 5:10 PM EDTSevere Thunderstorm WarningRAHRichmond20 min
Jul 5, 5:38 PM EDTSevere Thunderstorm WarningRAHScotland37 min
Jul 5, 6:00 PM EDTSevere Thunderstorm WarningRAHHoke30 min
Jul 5, 6:52 PM EDTSevere Thunderstorm WarningRAHCumberland38 min
Jul 5, 7:13 PM EDTSevere Thunderstorm WarningRAHWayne22 min
Jul 5, 7:34 PM EDTSevere Thunderstorm WarningRAHWayne26 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; radar from the NEXRAD Level II archive.