Alert archive / South Carolina / Tornado Warnings in 2009
Tornado Warning 13, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at May 4, 2009, 7:08 PM EDT for Fairfield County, South Carolina. It was in force for 37 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
- May 4, 2009, 7:08 PM EDT (23:08 UTC)
- Expired
- May 4, 2009, 7:45 PM EDT
- In force
- 37 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
County Fairfield County, SC
The radar
The Columbia radar (KCAE), 58 km from the middle of the area, began a volume at 23:08 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.1 hours before the alert went out and 193 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
- 647 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KCAE 042308
TORCAE
SCC039-042345-
/O.NEW.KCAE.TO.W.0013.090504T2308Z-090504T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
708 PM EDT MON MAY 4 2009
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN FAIRFIELD COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 745 PM EDT
* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES WEST OF
WINNSBORO...MOVING EAST AT 25 MPH.
* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE IN COLUMBIA TOLL FREE
AT 1 800 7 7 5 7 1 9 9.
LAT...LON 3454 8088 3452 8087 3451 8087 3449 8089
3447 8089 3441 8083 3432 8079 3431 8080
3436 8134 3443 8135
TIME...MOT...LOC 2307Z 260DEG 22KT 3439 8131
$$2 follow-up statements
000
WWUS52 KCAE 042320
SVSCAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
720 PM EDT MON MAY 4 2009
SCC039-042345-
/O.CON.KCAE.TO.W.0013.000000T0000Z-090504T2345Z/
FAIRFIELD SC-
720 PM EDT MON MAY 4 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR FAIRFIELD
COUNTY...
AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LIKELY TORNADO. THIS STORM WAS LOCATED 9 MILES WEST OF
WINNSBORO...MOVING EAST AT 20 MPH.
RADAR TREND INDICATE THE STORM WILL BE IN THE WINNSBORO AREA
AROUND 735 PM.
IF YOU ARE IN THE PATH OF THIS STORM BE PREPARED TO TAKE COVER.
A SMALL INTERIOR ROOM ON THE LOWEST FLOOR USUALLY OFFERS THE BEST
PROTECTION FROM TORNADOES.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE IN COLUMBIA TOLL FREE
AT 1 800 7 7 5 7 1 9 9.
LAT...LON 3454 8088 3452 8087 3451 8087 3449 8089
3447 8089 3441 8083 3432 8079 3431 8080
3436 8134 3443 8135
TIME...MOT...LOC 2318Z 267DEG 16KT 3439 8123
$$000
WWUS52 KCAE 042339
SVSCAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
739 PM EDT MON MAY 4 2009
SCC039-042345-
/O.CON.KCAE.TO.W.0013.000000T0000Z-090504T2345Z/
FAIRFIELD SC-
739 PM EDT MON MAY 4 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR FAIRFIELD
COUNTY...
AT 732 PM EDT...THE CIRCULATION CENTER OF THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING FOR FAIRFIELD COUNTY WAS NEAR WINNSBORO.
MOVEMENT WAS EASTWARD NEAR 20 MPH.
THIS STORM HAS SHOWN A WEAKENING TREND AND THE THREAT OF A TORNADO
WAS DIMINISHING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE IN COLUMBIA TOLL FREE
AT 1 800 7 7 5 7 1 9 9.
LAT...LON 3451 8087 3449 8089 3447 8089 3441 8083
3432 8079 3431 8080 3437 8117 3444 8118
3454 8088
TIME...MOT...LOC 2333Z 267DEG 16KT 3439 8115
$$The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 5:56 PM EDT | Tornado Warning | CAE | Newberry | 49 min |
| May 4, 6:02 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Lee, Sumter | 58 min |
| May 4, 6:36 PM EDT | Tornado Warning | CAE | Fairfield, Newberry | 39 min |
| May 4, 7:49 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Kershaw, Lee, Richland, Sumter | 56 min |
Nearby
Tornado Warnings in South Carolina, 2009Every tornado warning in 2009Tornadoes in 2009
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.