Alert archive / North Carolina / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 41, NWS Raleigh, NC

May 6, 1996Johnston County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 6, 1996, 8:31 PM EDT for Johnston County, North Carolina. It was in force for 29 min. 2 reports 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: May 6, 1996, 8:31 PM EDT (00:31 UTC)
Expired: May 6, 1996, 9:00 PM EDT
In force: 29 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Johnston County, NC

What was reported inside it

Time	Report	Where	Remark
May 6, 8:40 PM EDT	Hail 0.75	Benson, NC
May 6, 9:00 PM EDT	Thunderstorm Wind 0	Countywide, NC

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, 0.5 hours before the alert went out and 152 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: 405 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1704 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 26 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 
TTAA00 KRDU 070029
SVRRDU
NCC101-070100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
831 PM EDT MON MAY 6 1996
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH CAROLINA
 
   ...JOHNSTON COUNTY
 
AT 830 PM...NATIONAL WEATHER SEVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER BENSON IN SOUTHWESTERN JOHNSTON COUNTY. THE STORM WAS
MOVING EAST NORTHEAST AT ABOUT 20 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.
 
 
DELGADO

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, May 6, 6:28 PM EDT, 2 hours 3 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
627 PM EDT MON MAY 06 1996

TIME       .....CITY LOCATION.....   STATE    EVENT/REMARKS
           ....COUNTY LOCATION....
503  PM    GARLAND                   NC       NICKEL SIZED HAIL
           SAMPSON COUNTY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 8:59 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	31 min
May 6, 9:30 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	30 min
May 6, 10:19 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Wake	31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1996 Every severe thunderstorm warning in 1996

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.