Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 84, NWS Raleigh, NC

August 29, 1990Northampton County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 29, 1990, 6:14 PM EDT for Northampton County, North Carolina. It was in force for 31 min.

The area

The counties it named.

The facts

Issued: Aug 29, 1990, 6:14 PM EDT (22:14 UTC)
Expired: Aug 29, 1990, 6:45 PM EDT
In force: 31 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Northampton County, NC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 12:00Z, 10.2 hours before the alert went out and 213 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: 2049 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1346 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 65 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 292215
SVRRDU
NCC131-292245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
614 PM EDT WED AUG 29 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...EASTERN NORTHHAMPTON COUNTY
 
THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR ALL OF NORTHHAMPTON
COUNTY HAS BEEN EXTENDED FROM 615 TO 645 PM FOR THE EASTERN PORTION OF
NORTHAMPTON COUNTY.
 
AT 615 PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF STRONG TO
SEVERE THUNDERSTORMS IN NORTHAMPTON COUNTY MOVING EAST AROUND 25 MPH.
 
THE NORTHAMPTON SHERIFFS DEPARTMENT REPORTED TREES DOWN IN THE JACKSON
AREA AT 610 PM.
 
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.

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, Aug 29, 5:16 PM EDT, 58 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
516 PM EDT WED AUG 29 1990

TIME           EVENT

510 PM EDT     A FEW TREES DOWN IN WESTERN NASH COUNTY IN THE TOWNS
               OF MIDDLESEX A;ND CASTALIA.

KK

Local storm report, Aug 29, 5:18 PM EDT, 56 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
517 PM EDT WED AUG 29 1990

TIME           EVENT

515 PM EDT     PEA TO MARBLE SIZE HAIL IN WARREN COUNTY.

KK

Local storm report, Aug 29, 5:19 PM EDT, 55 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE  GREENSBORO NC
520 PM EDT WED AUG 29 1990

ATTN SELS...

245 PM EDT..1845Z  GOLFBALL SIZE HAIL IN SOUTHWEST ROCKINGHAM COUNTY.

300 PM EDT..1900Z  TREE DOWN ACROSSB ROADWAY IN SOUTHEAST GUILFORD COUNTY
     NOT FAR FROM DAMAGE THAT OCCURRED AT LAKE JUNO PARK.

RBN

Local storm report, Aug 29, 5:44 PM EDT, 30 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
541 PM EDT WED AUG 29 1990

TIME           EVENT

532 PM EDT     TREES DOWN IN ROCKY MOUNT AREA OF EDGECOMBE
               COUNTY AND WINDS ESTIMAXTED AT 50-60 MPH IN
               THE ROANOKE RAPIDS AREA OF HALIFAX COUNTY.
               REPORTS RELAYED BY HAM RADIO WEATHER NETWORK.

KK

Local storm report, Aug 29, 5:59 PM EDT, 15 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
554 PM EDT WED AUG 29 1990

TIME           EVENT

540 PM EDT     IN WILSON COUNTY...TREES DOWN NEAR THE INTERSECTION
               OF US 117 AND SkR 1642. TREES ALSO DOWN ON SR 1106.
               TREES DOWN AT BREWERS SPEEDWAY. INFORMATION RECEIVED
               FROM WILSON COUNTY SHERIFF DEPARTMENT.

JBP

Local storm report, Aug 29, 6:11 PM EDT, 3 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
609 PM EDT WED AUG 29 1990

TIME           EVENT

530-600 PM EDT IN HALIFAX COUNTY...NUMEROUS TREES DOWN AND ROADS
               BLOCKED IN THE ENxFIELD AND WHITE OAK AREA. ROOF BLOWN
               A STORE IN WHITE OAK AREA.

               FROM HALIFAX COUNTY SHERIFF DEPARTMENT.

KK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 4:29 PM EDT	Severe Thunderstorm Warning	RAH	Wake	31 min
Aug 29, 4:58 PM EDT	Severe Thunderstorm Warning	RAH	Nash	32 min
Aug 29, 5:26 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Wilson	49 min
Aug 29, 5:35 PM EDT	Severe Thunderstorm Warning	RAH	Halifax, Northampton	40 min
Aug 29, 7:43 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Nash	47 min
Aug 29, 7:55 PM EDT	Severe Thunderstorm Warning	RAH	Wilson	50 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1990 Every severe thunderstorm warning in 1990

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.