Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 45, NWS Raleigh, NC

June 22, 1990Northampton County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 22, 1990, 2:24 PM EDT for Northampton County, North Carolina. It was in force for 66 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
Jun 22, 1990, 2:24 PM EDT (18:24 UTC)
Expired
Jun 22, 1990, 3:30 PM EDT
In force
66 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.

What was reported inside it

TimeReportWhereRemark
Jun 22, 2:35 PM EDTThunderstorm Wind 0Northampton, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 12:00Z, 6.4 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-pSkew-T log-p diagram, Cape Hatteras, NC at 12:00Z on 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3113 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, Cape Hatteras, NC at 12:00Z on 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
3113 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 221826
SVRRDU
NCC131-221930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
224 PM EDT FRI JUN 22 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...NORTHHAMPTON COUNTY
 
A LINE OF THUNDERSTORMS HAS DOWNED SEVERAL TREES NEAR THE TOWN OF
HALIFAX AROUND 215 PM. THE THUNDERSTORMS WERE MOVING NORTHEAST 20 MPH
INTO NORTHAMPTON COUNTY AND WILL MOVE ACROSS THE COUNTY FOR THE NEXT
HOUR THROUGH 330 PM.
 
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNI4NG 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

Special weather statement, Jun 22, 11:23 AM EDT, 3 hours 1 minute before
NCZ005-008-014-221630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1121 AM EDT FRI JUN 22 1990

THUNDERSTORMS MOVING NORTHWARD ACROSS THE SANDHILLS...

A CLUSTER OF THUNDERSTORMS MOVED OUT OF CENTRAL SOUTH CAROLINA INTO
THE WESTERN PORTION OF THE SANDHILLS AND SOUTHERN PIEDMONT AREAS OF
NORTH CAROLINA AROUND MID-MORNING TODAY.

AT 1115AM THE STRONGEST OF THE THUNDERSTORMS STRETCHED FROM EASTERN
MOORE COUNTY WEST ACROSS CENTRAL MONTGOMERY COUNTY. THIS AREA OF
THUNDERSTORMS WAS MOVING NORTH NORTHEAST AROUND 20 MPH.

GUSTY WINDS WERE REPORTED IN MOORE COUNTY NEAR THE TOWN OF ADDOR
AROUND 11AM THIS MORNING. HOWEVER...NO DAMAGE WAS REPORTED.

SOME OF THESE THUNDERSTORMS WILL LIKELY PRODUCE SOME BRIEF GUSTY
WINDS...VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL AS THEY CONTINUE
DRIFTING ACROSS THE WESTERN HALF OF THE SANDHILLS AND POSSIBLY INTO
THE SOUTHERN PORTION OF THE NORTHEAST PIEDMONT THROUGH MID-DAY TODAY.

PERSONS SHOULD BE ON THE ALERT FOR RAPID CHANGING CONDITIONS THIS
AFTERNOON. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS
CONDITIONS WARRANT.

LBC
Special weather statement, Jun 22, 11:27 AM EDT, 2 hours 57 minutes before
NCZALL-222030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1126 AM EDT FRI JUN 22 1990

NORTH CAROLINA SKYWARN OUTLOOK...THERE IS A SLIGHT CHANCE OF SEVERE
THUNDERSTORMS...WITH LARGE HAIL AND DAMAGING WINDS OVER ALL OF NORTH
CAROLINA THIS AFTERNOON AND EVENING.
LBC
Special weather statement, Jun 22, 12:11 PM EDT, 2 hours 13 minutes before
NCZ006-221210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
1210 PM EDT FRI JUN 22 1990

 ...THUNDERSTORMS ENTERING THE NORTHWEST PIEDMONT...

AT 1156 AM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS
IN SOUTHERN RANDOLPH COUNTY WITH HEAVY RAIN. THE HEAVIEST RAINFALL
WAS IN SOUTHWEST RANDOLPH COUNTY. MOVEMENT IS TO THE NORTHEAST
AT ABOUT 25 MILES AN HOUR.
ALONG WITH THE HEAVY...FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY
WINDS AND HAIL ARE ALSO POSSIBLE.

PERSONS IN RANDOLPH COUNTY SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND TAKE SHELTER UNTIL THEY PASS.

KJM

E

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 11:29 AM EDTSevere Thunderstorm WarningRAHChatham, Moore46 min
Jun 22, 12:25 PM EDTSevere Thunderstorm WarningRAHJohnston50 min
Jun 22, 12:40 PM EDTSevere Thunderstorm WarningRAHWake50 min
Jun 22, 12:47 PM EDTSevere Thunderstorm WarningRAHDurham, Orange58 min
Jun 22, 12:47 PM EDTSevere Thunderstorm WarningRAHGranville58 min
Jun 22, 12:55 PM EDTSevere Thunderstorm WarningRAHFranklin65 min
Jun 22, 1:04 PM EDTSevere Thunderstorm WarningRAHWayne56 min
Jun 22, 1:15 PM EDTSevere Thunderstorm WarningRAHJohnston45 min
Jun 22, 1:18 PM EDTSevere Thunderstorm WarningRAHNash, Wilson57 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1990Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.