Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 4, NWS Raleigh, NC

April 1, 1990Scotland County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 1, 1990, 8:38 PM EDT for Scotland County, North Carolina. It was in force for 52 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
Apr 1, 1990, 8:38 PM EDT (00:38 UTC)
Expired
Apr 1, 1990, 9:30 PM EDT
In force
52 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Scotland 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
Apr 1, 8:45 PM EDTHail 0.75Scotland, 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.6 hours before the alert went out and 143 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, Greensboro/Hi Pt, NC at 00:00Z on 1990-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 00:00Z on 1990-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 020038
SVRRDU
NCC165-020130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
838 PM EDT SUN APR 1 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST NORTH CAROLINA
          ...SCOTLAND
 
AT 835 PM EDT WEATHER RADAR DETECTED A SEVERE THUNDERSTORM MOVING INTO
SCOTLAND COUNTY FROM RICHMOND COUNTY. THE MOST INTENSE PART OF THE
STORM HAS BEEN HEADING INTO THE SOUTHERN PART OF SCOTLAND
COUNTY...MOVING SOUTHEAST AT ABOUT 35 MPH. BUT THIS LARGE STORM MAY
CAUSE HAIL OR HIGH WIND IN JUST ABOUT ANY PART OF THE COUNTY DURING
THE WARNING PERIOD.
 
THIS THUNDERSTORM HAS HAD A HISTORY OF GOLF BALL SIZED HAIL AND WIND
IN EXCESS OF 70 MPH AS IT CROSSED PORTIONS OF THE SOUTHERN PIEDMONT
EARLIER THIS EVENING.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 MPH TO OVER 100
MPHh. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY
DAMAGE MOBILE HOMES...SOMETIMES BUILDINGS. VERY LARGE HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

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, Apr 1, 4:16 PM EDT, 4 hours 22 minutes before
NCZ006-007-012010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
415 PM EDT SUN APR 1 1990

...THUNDERSTORMS MOVE ACROOS THE NORTHERN FOOTHILLS AND INTO
   THE NORTHWEST PIEDMONT...

AT 400 PM EDT RADAR SHOWED THUNDERSTORMS WITH HEAVY RAINS AND HAIL
WERE MOVING ACROSS SOUTHERN WILKES COUNTY INTO YADKIN COUNTY.

PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER AND BE READY TO TAKE APPROPIATE ACTION IF NECESSARY.

STAY TUNED TO TV..LOCAL RADIO OR NOAA WEATHER FOR FURTHER STATEMENTS
OR WARNINGS IF CONDITIONS WARRANT

SAS
Special weather statement, Apr 1, 5:01 PM EDT, 3 hours 37 minutes before
NCZ006-007-020330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
500 PM EDT SUN APR 1 1990

...THUNDERSTORMS MOVING ACROOS THE NORTHWEST PIEDMONT OF NORTH
CAROLINA...

AT 445 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS THUNDERSTORMS WITH
HEAVY RAIN AND POSSIBLE HAIL MOVING INTO SOUTHERN YADKIN AND SOUTHWEST
STOKES COUNTIES. THESE THUNDERSTROMS ARE PART OF A LARGER AREA OF
THUNDERSTROMS AND RAINSHOWERS THAT EXTENDS FORM NORTHERN IREDELL
COUNTY THROUGH YADKIN...FORSYTH...SURRY AND INTO STOKES COUNTY.
MOVEMENT IS EAST AT 40 MPH.

PERSONS ACROSS THE NORTHWEST PIEDMONT SHOULD BE ON THE LOOKOUT THIS
AFTERNOON FOR THREATENING WEATHER CONDITIONS AND TAKE APPROPIATE
ACTION IF NMECCESSARY.

STAY TUNE TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND POSSIBLE
WARNINGS.

RJD
Special weather statement, Apr 1, 5:57 PM EDT, 2 hours 41 minutes before
NCZ006-007-020330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
600 PM EDT SUN APR 1 1990

...THUNDERSTORM WARNINGS FOR ALEXANDER AND IREDELL COUNTIES ARE
CANCELLED...

AT 545 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS THUNDERSTORMS
ACROSS THE NORTHWEST PIEDMONT WEAKENING AS THEY MOVE EAST. RADAR NOW
SHOWS ALEXANDER COUNTY CLEAR OF THUNDERSTORMS...THE THUNDERSTORMS
IN IREDELL COUNTY HAVE EITHER MOVED EAST OR HAVE WEAKENED TO
RAINSHOWERS. IN YADKIN COUNTY RADAR SHOWS A THUNDERSTORM WITH
HEAVY RAIN IN THE SOUTHEAST CORNER OF YADKIN ON THE FORSYTH COUNTY
LINE. MOSTLY RAINSHOWERS WITH A SCATTERED THUNDERSTORMS ARE NOW
COVERING NORTHERN ALAMANCE...MOST OF GUILFORD...DAVIDSON...FORSYTH
...DAVIE...AND ROWAN COUNTIES. THESE SHOWERS AND SCATTERED THUNDERSTORMS
ARE MOVING EAST AT ABOUT 40 MPH.

STAY TUNE TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND POSSIBLE
WARNINGS.

RJD
Local storm report, Apr 1, 6:21 PM EDT, 2 hours 17 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE  GREENSBORO NC
 620 PM EDT SUN APR 1 1990

ATTN SELS...
 REPORTED RECIEVED AT 1805 EDT FROM ALEXANDER COUNTY SHERIFF
 1 INCH HAIL FROM 1715-1720 EDT SOUTHERN ALEXANDER COUNTY.

RJD
Special weather statement, Apr 1, 7:34 PM EDT, 1 hour 4 minutes before
NCZ006-007-020330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
730 PM EDT SUN APR 1 1990

...THUNDERSTORMS CONTINUE ACROSS THE NORTHWEST PIEDMONT OF NORTH
CAROLINA...

AT 720 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWS SCATTERED
THUNDERSTORMS WITH LIGHT RAIN SPREAD OUT ACROSS THE NORTHWEST PIEDMONT.
THE HEAVIER THUNDERSTORM ACTIVITY IS SOUTH OF THE NORTHWEST PIEDMONT
IN THE CHARLOTTE AREA. A FEW HEAVIER THUNDERSTORMS ARE IN SOUTHERN
IREDELL AND ROWAN COUNTIES.

PERSONS IN THE NORTHWEST PIEDMONT THIS EVENING SHOULD BE ON THE
LOOKOUT FOR THREATENING WEATHER CONDITIONS AND TAKE APPROPIATE
ACTION IF NECCESSARY.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND ANY
POSSIBLE WARNINGS.

RJD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 11:08 PM EDTSevere Thunderstorm WarningRAHHoke37 min
Apr 1, 11:19 PM EDTSevere Thunderstorm WarningRAHCumberland41 min
Apr 2, 12:06 AM EDTSevere Thunderstorm WarningRAHCumberland24 min
Apr 2, 5:10 PM EDTSevere Thunderstorm WarningRAHMoore35 min
Apr 2, 5:39 PM EDTSevere Thunderstorm WarningRAHHoke36 min
Apr 2, 6:14 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett46 min
Apr 2, 6:39 PM EDTSevere Thunderstorm WarningRAHDurham, Orange36 min
Apr 2, 6:47 PM EDTTornado WarningRAHDurham, Orange43 min
Apr 2, 6:58 PM EDTTornado WarningRAHGranville, Wake32 min
Apr 2, 7:10 PM EDTSevere Thunderstorm WarningRAHCumberland20 min
Apr 2, 7:31 PM EDTSevere Thunderstorm WarningRAHFranklin59 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.