Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 14, NWS Greenville-Spartanburg, SC

April 1, 1990Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 1, 1990, 5:54 PM EDT for Mecklenburg County, North Carolina. It was in force for 66 min. 2 reports 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, 5:54 PM EDT (21:54 UTC)
Expired: Apr 1, 1990, 7:00 PM EDT
In force: 66 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Mecklenburg 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
Apr 1, 6:05 PM EDT	Thunderstorm Wind 0	Mecklenburg, NC
Apr 1, 6:30 PM EDT	Hail 1	Mecklenburg, 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, 9.9 hours before the alert went out and 125 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -42 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 3:59 PM EDT, 1 hour 55 minutes before

NCZ 007-009-010-011-012-013-012200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
400 PM EDT SUN APR 1 1990

...SHOWERS AND THUNDERSTORMS OVER THE MOUNTAINS AND FOOTHILLS...

SHORTLY BEFORE 4 PM A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED
NORTHEAST OF ASHEVILLE ALONG THE MCDOWELL COUNTY-RUTHERFORD COUNTY
LINE. THIS STORM DUMPED FROM PEA TO MARBLE SIZE HAIL AS IT MOVED
OVER FLAT TOP MOUNTAIN AROUND 330 THIS AFTERNOON.

ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED ACROSS
PARTS OF THE MOUNTAINS AND FOOTHILLS. MOVEMENT WAS EAST AT 35 MILES
AN HOUR.

SHOWERS AND POSSIBLY A FEW THUNDERSTORMS WILL CONTINUE TO DEVELOP IN
WESTERN NORTH CAROLINA TONIGHT. I URGE YOU TO REMAIN ALERT AND BE
PREPARED TO SEEK SAFE SHELTER INDOORS IF A THUNDERSTORM APPROACHES.
CC

Special weather statement, Apr 1, 5:08 PM EDT, 46 minutes before

SCZ001>004-012200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
507 PM EDT SUN APR 01 1990

...ISOLATED THUNDERSTORMS OVER NORTHWESTERN SOUTH CAROLINA...
AT 5PM RADAR INDICATED A THUNDERSTORM CENTERED NEAR WILLIAMSTON
IN EXTREME EASTERN ANDERSON COUNTY.
THIS THUNDERSTORM IS MOVING TOWARD THE EAST AT ABOUT 20 MPH AND
HAS PRODUCED PEA TO MARBLE SIZE HAIL IN PARTS OF ANDERSON COUNTY.
REM

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 1, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	45 min
Apr 1, 4:53 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	67 min
Apr 1, 5:12 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	33 min
Apr 1, 5:17 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	43 min
Apr 1, 6:36 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	69 min
Apr 1, 7:03 PM EDT	Severe Thunderstorm Warning	GSP	Union	42 min
Apr 1, 7:12 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	48 min
Apr 1, 7:17 PM EDT	Severe Thunderstorm Warning	GSP	Stanly	43 min
Apr 1, 7:26 PM EDT	Severe Thunderstorm Warning	GSP	Anson	49 min
Apr 1, 7:43 PM EDT	Severe Thunderstorm Warning	GSP	Montgomery, Richmond	62 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.