Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 60, NWS Raleigh, NC

July 1, 1990Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 1, 1990, 8:26 PM EDT for Wake County, North Carolina. It was in force for 49 min.

The area

The counties it named.

The facts

Issued: Jul 1, 1990, 8:26 PM EDT (00:26 UTC)
Expired: Jul 1, 1990, 9:15 PM EDT
In force: 49 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.4 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: 897 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1520 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 020028
SVRRDU
NCC183-020115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
826 PM EDT SUN JUL 1 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...NORTHEASTERN WAKE COUNTY
 
AT 826 PM RADAR SHOWED A SEVERE THUNDER STORM MOVING OUT OF SOUTHEAST
GARNVILLE COUNTY INTO NORTHEAST WAKE COUNTY. THIS STORM WILL MOVE COSE
TO WAKE FOREST BY 840 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 THUNDERSTEORM.

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, 6:16 PM EDT, 2 hours 10 minutes before

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

TIME           EVENT
615 PM EDT     EXTENSIVE WIND DAMAGE COUNTY WIDE IN HOKE
               COUNTY WITH TREES DOWN AND SOME STRUCTURAL
               DAMAGE AS WELL. REPORTED BY SHERIFFS OFFICE.

KK

Local storm report, Jul 1, 6:45 PM EDT, 1 hour 41 minutes before

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

TIME           EVENT
610 PM EDT     TREES DOWNED IN WESTERN NASH COUNTY.

635 PM EDT     TREES DOWNED IN SOUTHERN NASH COUNTY.

645 PM EDT     DIME SIZE HAIL IN WESTERN NASH COUNTY
               AND NEAR NASHVILLE IN CENTRAL NAS COUNTY.

              ABOVE REPORTED BY NASH COUNTY SHERIFF OFFICE.

KK

Local storm report, Jul 1, 7:06 PM EDT, 1 hour 20 minutes before

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

TIME           EVENT
545 PM         TREES DOWNED IN CENTRAL MOORE COUNTY.

615 PM EDT     TREES DOWNED IN SOUTHERN NOORE COUNTY.

               ABOVE REPORTED BY MOORE COUNTY SHERIFF OFFICE.

KK

Local storm report, Jul 1, 7:32 PM EDT, 54 minutes before

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

TIME           EVENT
706 PM         A FEW TREES DOWNED IN WESTERN EDGECOMBE COUNTY.
               ABOVE REPORTED BY SHERIFF OFFICE.

KK

Local storm report, Jul 1, 7:49 PM EDT, 37 minutes before

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

TIME           EVENT
700 PM         SEVERAL TREES DOWNED IN NORTHWESTERN EDGECOMBE COUNTY.
               ABOVE REPORTED BY SHERIFF OFFICE. PUBLIC REPORTED A
               FUNNEL CLOUD IN THE AREA AT TIME OF TREE DAMAGE.

KK

Special weather statement, Jul 1, 8:09 PM EDT, 17 minutes before

NCZ006-007-009-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
 815 PM EDT SUN JUL 1 1990

...THE SEVERE THUNDERSTORM WATCH FOR THE NORTHERN MOUNTAINS...NORTHERN
FOOTHILLS...AND 0NORTHWEST PIEDMONT OF NORTH CAROLINA HAS BEEN CANCELLED.

AT 800 PM NATIONAL WEATHER SERVICE RADAR SHOWS ONLY A FEW LIGHT...AND
SCATTERED SHOWERS IN WILKES AND YADKIN COUNTIES.

RJD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 9:15 PM EDT	Severe Thunderstorm Warning	RAH	Greene, Wilson	60 min
Jul 1, 9:31 PM EDT	Severe Thunderstorm Warning	RAH	Nash	44 min
Jul 1, 9:47 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wilson	43 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.