Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 86, NWS Raleigh, NC

July 6, 1997Moore County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 6, 1997, 12:07 AM EDT for Moore County, North Carolina. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 6, 1997, 12:07 AM EDT (04:07 UTC)
Expired: Jul 6, 1997, 12:30 AM EDT
In force: 23 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Moore County, NC

What was reported inside it

Time	Report	Where	Remark
Jul 6, 12:10 AM EDT	Hail 0.75	Robbins, NC	DIME SIZE HAIL FELL IN ROBBINS.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.1 hours before the alert went out and 94 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1084 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1154 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 060409 RRA
SVRRDU
NCC125-060430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
1207 AM EDT SUN JUL 6 1997
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL NORTH CAROLINA
 
   ...NORTHERN MOORE COUNTY
 
WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM IN NORTHERN MOORE
COUNTY NEAR THE CHATHAM COUNTY LINE. NICKEL SIZED HAIL HAS BEEN REPORTED
JUST NORTH OF ROBBINS.
 
 
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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 9:04 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	41 min
Jul 5, 9:25 PM EDT	Severe Thunderstorm Warning	RAH	Wayne	50 min
Jul 5, 10:10 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	50 min
Jul 5, 10:14 PM EDT	Severe Thunderstorm Warning	RAH	Stanly	46 min
Jul 5, 10:30 PM EDT	Severe Thunderstorm Warning	RAH	Harnett	45 min
Jul 5, 10:38 PM EDT	Tornado Warning	RAH	Harnett	37 min
Jul 5, 10:59 PM EDT	Severe Thunderstorm Warning	RAH	Sampson	31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1997 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.