Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 192, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Aug 30, 1998, 4:42 PM EDT for Lexington County, South Carolina. It was in force for 33 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
- Aug 30, 1998, 4:42 PM EDT (20:42 UTC)
- Expired
- Aug 30, 1998, 5:15 PM EDT
- In force
- 33 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Lexington County, SC
The radar
The Columbia radar (KCAE), 15 km from the middle of the area, began a volume at 20:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 30, 5:00 PM EDT | Thunderstorm Wind 55 | Swansea, SC | Sheriff reported one person killed when his pickup truck was hit by a falling tree. Several trees were taken down in the Swansea area. |
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.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.7 hours before the alert went out and 162 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.
- Mixed-layer CAPE
- 2205 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
252 WUUS1 KCAE 302047 RRA SVRCAE SCC063-302115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 442 PM EDT SUN AUG 30 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN LEXINGTON COUNTY IN SOUTH CAROLINA * UNTIL 515 PM EDT * AT 440 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTHWEST OF SWANSEA IN LEXINGTON COUNTY. MOVEMENT WAS SOUTHEAST NEAR 5 MPH. EXPECT WIND GUSTS NEAR 65 MPH AND HAIL NEAR THREE-QUARTERS OF AN INCH WITH THIS THUNDERSTORM.
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, Aug 30, 11:20 AM EDT, 5 hours 22 minutes before
SCZ016-018-020-021-022-025-026-027-028-029-030-031-035-036- 037-038-041-GAZ040-063-064-065-077-302311- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1120 AM EDT SUN AUG 30 1998 ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON FOR CENTRAL AND EASTERN SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA... THE ADVISORY INCLUDES THE FOLLOWING COUNTIES IN SOUTH CAROLINA: AIKEN BAMBERG BARNWELL CALHOUN CHESTERFIELD CLARENDON EDGEFIELD FAIRFIELD KERSHAW LEE LEXINGTON MCCORMICK NEWBERRY ORANGEBURG RICHLAND SALUDA SUMTER THE ADVISORY INCLUDES THE FOLLOWING COUNTIES IN GEORGIA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND HOT TEMPERATURES OF 95 TO 100 DEGREES WILL COMBINE WITH THE RELATIVE HUMIDITY TO CAUSE A HEAT INDEX OF BETWEEN 105 AND 110 DEGREES THIS AFTERNOON. THE HEAT INDEX IS A MEASURE OF HOW HOT IT FEELS WHEN THE EFFECTS OF HUMIDITY ARE COMBINED WITH THE TEMPERATURE. A HEAT INDEX OF 105 DEGREES IS CONSIDERED THE LEVEL WHERE MANY PEOPLE BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR PHYSICAL STRESS. REMEMBER... THE HEAT INDEX IS MEASURED UNDER SHADY CONDITIONS...AND DIRECT SUNSHINE CAN INCREASE THE INDEX AS MUCH AS 15 DEGREES. REDUCE OUTDOOR ACTIVITIES...DRINK LOTS OF WATER OR OTHER NON- ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED/LIGHT WEIGHT CLOTHES AND...IF POSSIBLE...SPEND MORE TIME IN AIR CONDITIONED OR WELL VENTILATED PLACES. RCC
Special weather statement, Aug 30, 11:20 AM EDT, 5 hours 22 minutes before
SCZ016-018-020-021-022-025-026-027-028-029-030-031-035-036- 037-038-041-GAZ040-063-064-065-077-302311- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1120 AM EDT SUN AUG 30 1998 ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON FOR CENTRAL AND EASTERN SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA... THE ADVISORY INCLUDES THE FOLLOWING COUNTIES IN SOUTH CAROLINA: AIKEN BAMBERG BARNWELL CALHOUN CHESTERFIELD CLARENDON EDGEFIELD FAIRFIELD KERSHAW LEE LEXINGTON MCCORMICK NEWBERRY ORANGEBURG RICHLAND SALUDA SUMTER THE ADVISORY INCLUDES THE FOLLOWING COUNTIES IN GEORGIA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND HOT TEMPERATURES OF 95 TO 100 DEGREES WILL COMBINE WITH THE RELATIVE HUMIDITY TO CAUSE A HEAT INDEX OF BETWEEN 105 AND 110 DEGREES THIS AFTERNOON. THE HEAT INDEX IS A MEASURE OF HOW HOT IT FEELS WHEN THE EFFECTS OF HUMIDITY ARE COMBINED WITH THE TEMPERATURE. A HEAT INDEX OF 105 DEGREES IS CONSIDERED THE LEVEL WHERE MANY PEOPLE BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR PHYSICAL STRESS. REMEMBER... THE HEAT INDEX IS MEASURED UNDER SHADY CONDITIONS...AND DIRECT SUNSHINE CAN INCREASE THE INDEX AS MUCH AS 15 DEGREES. REDUCE OUTDOOR ACTIVITIES...DRINK LOTS OF WATER OR OTHER NON- ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED/LIGHT WEIGHT CLOTHES AND...IF POSSIBLE...SPEND MORE TIME IN AIR CONDITIONED OR WELL VENTILATED PLACES. RCC
Nearby
Severe Thunderstorm Warnings in South Carolina, 1998Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.