Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 55, NWS Raleigh, NC

July 1, 1990Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 1, 1990, 5:42 PM EDT for Wake County, North Carolina. It was in force for 33 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 1, 1990, 5:42 PM EDT (21:42 UTC)
Expired: Jul 1, 1990, 6:15 PM EDT
In force: 33 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Wake 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

Time	Report	Where	Remark
Jul 1, 5:45 PM EDT	Hail 2.5	Wake, 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 12:00Z, 9.7 hours before the alert went out and 117 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: 373 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1629 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 105 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 012143
SVRRDU
NCC183-051-012215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
542 PM EDT SUN JUL 1 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...NORTHEASTERN WAKE COUNTY
 
IN SOUTHEAST NORTH CAROLINA
 
   ...NORTHEASTERN CUMBERLAND COUNTY
 
AT 440 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORM IN NORTHEAST
WAKE COUNTY WHERE GOLFBALL SIZE HAIL WAS REPORTED. A SECOND SEVERE
THUNDERSTORM WAS NEARING NORTHEAST CUMBERLAND COUNTY.
THIS STORM DOWNED TREES AND DROPPED DIME SIZE HAIL IN HARNETT C^OUNTY.
THESE STORMS WERE MOVING SOUTHEAST 25 MPH.
 
 
 
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, Jul 1, 4:25 PM EDT, 1 hour 17 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
425 PM EDT SUN JUL 01 1990

TIME             EVENT
423 PM EDT       GOLF BALL SIZE HAIL COVERING THE GROUND IN PITTSBORO
                 ...CHATHAM' COUNTY...NORTH CAROLINA. REPORTED BY
                 CHATHAM COUNTY SHERIFFS DEPARTMENT.

LGL

Special weather statement, Jul 1, 4:26 PM EDT, 1 hour 16 minutes before

NCZALL-012200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
425 PM EDT SUN JUL 1 1990

     ...SEVERE THUNDERSTORM WATCHES FOR THE ENTIRE STATE...

SEVERE THUNDERSTORM WATCHES WERE POSTED FOR ALL OF NORTH CAROLINA
THIS AFTERNOON.  SEVERE THUNDERSTORMS WERE REPORTED OR INDICATED BY
WEATHER RADAR SINCE 330 PM OVER SEVERAL COUNTIES IN PIEDMONT AND
WESTERN NORTH CAROLINA.

WARNINGS WERE POSTED BETWEEN 330 PM AND 425 PM FOR GASTON...NORTHERN
RANDOLPH...SOUTHERN GUILFORD...AND CHATHAM COUNTIES IN THE PIEDMONT
... AFFECTING GASTONIA...HIGH POINT...CHARLOTTE...AND PITTSBORO...
AND FOR CHEROKEE COUNTY IN THE EXTREME WESTERN TIP OF THE STATE.

MANY OF THESE LOCALITIES REPORTED MARBLE-TO-DIME-SIZED HAIL.  GOLFBALL-
SIZED HAIL WAS REPORTED NEAR PITTSBORO IN CHATHAM COUNTY AT 420 PM.
SEVERE THUNDERSTORM WATCHES WERE IN EFFECT UNTIL 9 PM TONIGHT FOR
ROUGHLY THE NORTHWEST HALF OF THE STATE...AND UNTUL 11 PM FOR THE
SOUTHEASTERN HALF OF THE STATE.

A SEVERE THUNDERSTORM WAS ALSO REPORTED AT 420 PM OVER NORTHAMPTON
COONTY IN THE NORTHERN COASTAL PLAIN...PRODUCING DIME-SIZED HAIL.

THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 35 MPH.

THERE IS A HIGH POTENTIAL FOR THUNDERSTORMS DEVELOPING ANYWHERE ACROSS
THE STATE DURING THE NEXT SEVERAL HOURS...AND FOR THESE STORMS TO
BE STRONG ENOUGH TO PRODUCE LARGE HAIL AND DAMAGING WINDS.

PERSONS THROUGHOUT THE STATE ARE URGED TO LISTEN TO RADIO...TELEVISIO/N
...OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR WATCHES ...AND
POSSIBLY  WARNINGS.

CDM

Local storm report, Jul 1, 4:45 PM EDT, 57 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
442 PM EDT SUN JUL 01 1990

TIME           EVENT
 440 PM EDT    DIME SIZED HAIL ON THE WAKE-HARNETT COUNTY LINE
               REPORTED BY THE PUBLIRC VIA WRAL-TV METEOROLGIST.

RFG

Local storm report, Jul 1, 4:56 PM EDT, 46 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
455 PM EDT SUN JUL 01 1990

TIME           EVENT
 455 PM EDT    DIME SIZED HAIL NORTHEAST LEE COUNTY
               REPORTED BY AMATEUR HAM RADIO SK#Y WARN NETWORK.

KK

Local storm report, Jul 1, 5:08 PM EDT, 34 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
505 PM EDT SUN JUL 01 1990

TIME           EVENT
435 PM EDT     CHATHAM CO.
               PUBLIC REPORT (VIA WRAL-TV MET. RUSS BULLOCH)...
       -        FARM S-SE OF PITTSBORO...ROOF BLOWN OFF CHICKEN HOUSE
               AND STRUCTURAL DAMAGE TO BARN.

CDM

Local storm report, Jul 1, 5:29 PM EDT, 13 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE  GREENSBORO NC
530 PM EDT UN JUL 1 1990

ATTN SELS...

358 PM EDT..1958Z..3/4 INCH HAIL SW SIDE OF GREENSBORO.  REPORTED BY
     OFF-DUTY EMPLOYEE.
415 PM..2015Z TRREE DOWN ACROSS ROAD SOUTH CENTRAL PART OF GUILFORD
     COUNTY.

RBN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 8:54 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Nash	66 min
Jun 30, 9:08 PM EDT	Severe Thunderstorm Warning	RAH	Wilson	37 min
Jun 30, 9:33 PM EDT	Severe Thunderstorm Warning	RAH	Pitt	57 min
Jul 1, 3:41 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	49 min
Jul 1, 4:24 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	66 min
Jul 1, 4:30 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Lee	60 min
Jul 1, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Wake	46 min
Jul 1, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Orange	46 min
Jul 1, 5:42 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	33 min
Jul 1, 5:56 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Hoke, Moore, Scotland	64 min
Jul 1, 6:30 PM EDT	Severe Thunderstorm Warning	RAH	Nash	45 min
Jul 1, 6:55 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe	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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.