Alert archive / North Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 33, NWS Greenville-Spartanburg, SC

April 24, 1992Jackson County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 24, 1992, 7:37 PM EDT for Jackson County, North Carolina. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Apr 24, 1992, 7:37 PM EDT (23:37 UTC)
Expired: Apr 24, 1992, 8:30 PM EDT
In force: 53 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Jackson County, NC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 11.6 hours before the alert went out and 149 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: 1953 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 51 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 24, 5:06 PM EDT, 2 hours 31 minutes before

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Special weather statement, Apr 24, 6:35 PM EDT, 1 hour 2 minutes before

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Special weather statement, Apr 24, 7:28 PM EDT, 9 minutes before

NCZ009-010-011-012-250030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
730 PM EDT FRI  APR 24 1992

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS..
NORTHERN FOOTHILLS AND MADISON COUNTY OF THE CENTRAL MOUNTAINS OF
NORTH CAROLINA UNTIL 1100PM...

AT 720 PM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS ACROSS THE MOUNTAINS OF NORTH CAROLINA.  THE STRONGEST
STORMS WERE NORTH OF FRANKLIN  IN MACON COUNTY AND NORTH OF MURPHY IN
CHEROKEE COUNTY.  THEY WERE MOVING EAST AT 40 MPH.

OTHER VERY STRONG STORMS WERE IN EASTERN TENNESSEE NEAR KNOXVILLE AND
CHATTANOOGA.

MARBLE SIZE HAIL WAS REPORTED IN CHEROKEE COUNTY AT AROUND 645PM FROM
AN EARLIER STORM.
THE STRONG STORMS MAY PRODUCE HAIL..STRONG WINDS..HEAVY RAIN AS WELL
AS DANGEROUS CLOUD TO GROUND LIGHTNING.

IF THREATENING WEATHER APPROACHES MOVE INSIDE A STRONG BUILDING UNTIL
THE STORM HAS PASSED.
HM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:52 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Graham, Macon	53 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1992 Every severe thunderstorm warning in 1992

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.