Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 14, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 31, 2002, 3:09 PM EST for Clarendon County, Sumter County, South Carolina. It was in force for 36 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 31, 2002, 3:09 PM EST (20:09 UTC)
- Expired
- Mar 31, 2002, 3:45 PM EST
- In force
- 36 min
- Issued by
- NWS Columbia, SC
- Area
- Counties, with a storm outline in the text
Counties Clarendon County, SC, Sumter County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 31, 3:40 PM EST | Hail 0.75 | Paxville, SC | Post Office reported dime size hail in Paxville. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 31, 1:00 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 31, 1:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 hours before the alert went out and 100 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
- 775 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
397
WUUS52 KCAE 312009
SVRCAE
SCC027-085-312045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
307 PM EST SUN MAR 31 2002
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SUMTER COUNTY IN CENTRAL SOUTH CAROLINA
CLARENDON COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 345 PM EST.
* AT 303 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 15 MILES WEST OF MANNING...MOVING NORTHEAST AT
30 MPH AND NEAR THE SUMTER AND CLARENDON COUNTY LINE.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BROGDON
PAXTON
EXPECT WIND GUSTS OF 40 TO 60 MPH AND DIME SIZE HAIL WITH THIS STORM.
LAT...LON 3372 8060 3356 8050 3379 7985 3401 7999
RJLThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 1:12 PM EST | Severe Thunderstorm Warning | CAE | Edgefield | 48 min |
| Mar 31, 1:37 PM EST | Severe Thunderstorm Warning | CAE | Aiken | 38 min |
| Mar 31, 2:03 PM EST | Severe Thunderstorm Warning | CAE | Lexington | 42 min |
| Mar 31, 2:29 PM EST | Severe Thunderstorm Warning | CAE | Calhoun | 31 min |
| Mar 31, 2:34 PM EST | Severe Thunderstorm Warning | CAE | Sumter | 41 min |
| Mar 31, 2:38 PM EST | Severe Thunderstorm Warning | CAE | Fairfield | 22 min |
| Mar 31, 2:48 PM EST | Severe Thunderstorm Warning | CAE | Lee | 57 min |
| Mar 31, 5:58 PM EST | Severe Thunderstorm Warning | CAE | Lee, Sumter | 47 min |
| Mar 31, 6:06 PM EST | Severe Thunderstorm Warning | CAE | Orangeburg | 54 min |
| Mar 31, 6:56 PM EST | Severe Thunderstorm Warning | CAE | Calhoun | 34 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning in 2002
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.