Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 22, NWS Greenville-Spartanburg, SC

April 1, 1990Gaston County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 1, 1990, 9:05 PM EDT for Gaston County, North Carolina. It was in force for 25 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, 9:05 PM EDT (01:05 UTC)
Expired: Apr 1, 1990, 9:30 PM EDT
In force: 25 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Gaston 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, 9:18 PM EDT	Hail 1.75	Gaston, 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, 1.1 hours before the alert went out and 145 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: 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

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, 5:08 PM EDT, 3 hours 57 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

Special weather statement, Apr 1, 5:59 PM EDT, 3 hours 6 minutes before

SCZ001>004-012300

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

...ISOLATED THUNDERSTORMS CONTINUE OVER NORTHWESTERN SOUTH CAROLINA...
AT 555PM RADAR INDICATED  THUNDERSTORMS OVER NORTHWEST SPARTANBURG
COUNTY NORTHERN CHEROKEE COUNTY AND SOUTHEAST UNION COUNTY.
THESE STORMS ARE MOVING TOWARD THE EAST AT ABOUT 20 MPH AND WILL
PRODUCE BRIEF HEAVY SHOWERS GUSTY WIND AND POSSIBLY SOME SMALL HAIL.
REM

Local storm report, Apr 1, 6:26 PM EDT, 2 hours 39 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE CHARLOTTE NC
625 EDT SUN APR 1 1990

ATTN SELS... WIND GUSTS WERE MEASURED TO 78 MPH AT CHARLOTTES
FAA CONTROL TOWER... MECKLENBURG COUNTY... AT 1806 EDT.

PEA SIZE HAIL WAS NEARLY COVERING THE GROUND AT 624 EDT IN
EASTERN CHARLOTTE... MECKLENBURG COUNTY.  NUMEROUS REPORTS OF
HAIL HAVE BEEN RECEIVED FROM THROUGHOUT CHARLOTTE... MOSTLY PEA
SIZE AND ALL FROM 605 THROUGH THE PRESENT TIME (624 EDT).

RK

 INT

Special weather statement, Apr 1, 8:07 PM EDT, 58 minutes before

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Special weather statement, Apr 1, 8:08 PM EDT, 57 minutes before

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Special weather statement, Apr 1, 8:46 PM EDT, 19 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 8:02 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	28 min
Apr 1, 9:21 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	69 min
Apr 1, 10:04 PM EDT	Severe Thunderstorm Warning	GSP	Union	56 min
Apr 1, 10:49 PM EDT	Severe Thunderstorm Warning	GSP	Anson	56 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.