Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 29, NWS Greenville-Spartanburg, SC

April 3, 1998York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 3, 1998, 9:51 PM EST for York County, South Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 3, 1998, 9:51 PM EST (02:51 UTC)
Expired: Apr 3, 1998, 10:45 PM EST
In force: 54 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County York County, SC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 6:00 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.9 hours before the alert went out and 169 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: 1030 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 266 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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 8:58 PM EST, 53 minutes earlier.

Area forecast discussion, Apr 3, 8:58 PM EST, 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
858 PM EST FRI APR 3 1998

CAE: RAISE MINIMUMS INTO 50S. MAY BE ABLE TO TRIM POPS.
RAH: MAY BE ABLE TO TRIM POPS IN MOUNTAINS/FOOTHILLS.
FFC: RAISE MINIMUMS INTO 50S. MAY BE ABLE TO DROP POPS BASED ON
     PROGRESS AT ISSUANCE.

BACK EDGE OF CONVECTION ENTERING METRO ATL AREA NOW. WILL NOT REACH
EAST END OF TOR WATCH BOX BY 03Z. MID LEVEL COOL POOL YET TO REACH
AREA AND 00Z ANALYSES SHOW UPPER WIND ENERGY JUST MOVING INTO AREA.
WILL NEED TO MONITOR CLOSELY IN ORDER TO TIME END OF PRECIP. WEDGE
STILL HOLDING FIRM ALONG FOOTHILLS...BUT ELEVATED CONVECTION
DROPPING LARGE HAIL IN UPSTATE. TMB APPEARS TO BE FORMING ALONG
CAE-CLT-GSO LINE AND MAY SERVE AS FOCUS FOR CONVECTION LATER
TONIGHT. COOLEST AIR BEHIND A SECONDARY TROUGH IN MS VALLEY. DEW
POINTS REMAIN ABOVE 50 BACK TO CENTRAL AL...AND WINDS/CLOUDS WILL
HELP KEEP TEMPERATURES UP. FORECAST LOW TEMPERATURES MAY NOT BE
REALIZED AS REAL COLD ADVECTION WILL NOT REACH AREA TIL SAT.

JAT

In the hours before

Local storm report, Apr 3, 8:56 PM EST, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
856 PM EST FRI APR 3 1998

TIME (EST) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

850 PM     WARE PLACE                SC   1.00 INCH HAIL
04/03/98   GREENVILLE                     FROM AMATEUR RADIO SPOTTER

850 PM     BELTON                    SC   1.00 INCH HAIL
04/03/98   ANDERSON                       FROM AMATEUR RADIO SPOTTER

RBN

Local storm report, Apr 3, 8:56 PM EST, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
856 PM EST FRI APR 3 1998

TIME (EST) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

850 PM     WARE PLACE                SC   1.00 INCH HAIL
04/03/98   GREENVILLE                     FROM AMATEUR RADIO SPOTTER

850 PM     BELTON                    SC   1.00 INCH HAIL
04/03/98   ANDERSON                       FROM AMATEUR RADIO SPOTTER

RBN

Local storm report, Apr 3, 9:26 PM EST, 25 minutes before

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Local storm report, Apr 3, 9:26 PM EST, 25 minutes before

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Local storm report, Apr 3, 9:35 PM EST, 16 minutes before

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Local storm report, Apr 3, 9:35 PM EST, 16 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 3, 9:21 PM EST	Severe Thunderstorm Warning	GSP	Mecklenburg	54 min
Apr 3, 7:30 PM EST	Severe Thunderstorm Warning	GSP	Pickens	45 min
Apr 3, 7:58 PM EST	Severe Thunderstorm Warning	GSP	Greenville	32 min
Apr 3, 8:02 PM EST	Severe Thunderstorm Warning	GSP	Spartanburg	43 min
Apr 3, 8:25 PM EST	Severe Thunderstorm Warning	GSP	Cherokee	50 min
Apr 3, 8:30 PM EST	Severe Thunderstorm Warning	GSP	Anderson	45 min
Apr 3, 8:45 PM EST	Severe Thunderstorm Warning	GSP	Greenville	45 min
Apr 3, 9:00 PM EST	Severe Thunderstorm Warning	GSP	York	30 min
Apr 3, 9:08 PM EST	Severe Thunderstorm Warning	GSP	Laurens	37 min
Apr 3, 9:18 PM EST	Tornado Warning	GSP	Greenwood	42 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998 Every severe thunderstorm warning in 1998

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.