Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 28, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 20, 2003, 12:39 AM EST for Orangeburg County, South Carolina. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2003, 12:39 AM EST (05:39 UTC)
- Expired
- Mar 20, 2003, 1:45 AM EST
- In force
- 66 min
- Issued by
- NWS Columbia, SC
- Area
- Counties, with a storm outline in the text
County Orangeburg County, SC
The radar
The Columbia radar (KCAE), 47 km from the middle of the area, began a volume at 05:41 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.
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 20, 12:20 AM EST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 5.7 hours before the alert went out and 124 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
- 7 J/kg
- Mixed-layer CIN
- -255 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
512
WUUS52 KCAE 200539
SVRCAE
SCC075-200645-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1235 AM EST THU MAR 20 2003
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 145 AM EST.
* AT 1230 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM NEAR WILLISTON IN BARNWELL COUNTY.
MOVEMENT WAS NORTHEASTWARD AT 35 MPH. THE SPRINGFIELD
AND NESSES AREA OF WESTERN ORANGEBURG COUNTY ARE IN THE PATH
OF THIS THUNDERSTORM.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
SPRINGFIELD.
NEESES.
EXPECT WIND GUSTS NEAR 60 MPH AND DAMAGING HAIL WITH THIS
THUNDERSTORM. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES. A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
USUALLY OFFERS THE BEST PROTECTION FROM TORNADOES AND SEVERE
THUNDERSTORMS.
LAT...LON 3364 8098 3358 8090 3347 8086 3339 8112
3348 8129 3349 8137 3354 8131
RJLThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 11:59 PM EST | Severe Thunderstorm Warning | CAE | Aiken | 46 min |
| Mar 20, 12:04 AM EST | Tornado Warning | CAE | Aiken, Barnwell | 26 min |
| Mar 20, 12:27 AM EST | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 33 min |
| Mar 20, 5:23 AM EST | Severe Thunderstorm Warning | CAE | Lexington, Orangeburg | 37 min |
| Mar 20, 5:41 AM EST | Severe Thunderstorm Warning | CAE | Calhoun | 34 min |
| Mar 20, 5:45 AM EST | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 45 min |
| Mar 20, 5:50 AM EST | Severe Thunderstorm Warning | CAE | Richland | 55 min |
| Mar 20, 6:11 AM EST | Severe Thunderstorm Warning | CAE | Sumter | 79 min |
| Mar 20, 6:18 AM EST | Severe Thunderstorm Warning | CAE | Sumter | 72 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2003Every severe thunderstorm warning in 2003
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; radar from the NEXRAD Level II archive.