Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 169, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 9, 2012, 4:02 PM EDT for Chesterfield County, South Carolina. It was in force for 43 min. 3 reports 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
- Jul 9, 2012, 4:02 PM EDT (20:02 UTC)
- Expired
- Jul 9, 2012, 4:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
County Chesterfield County, SC
The radar
The Columbia radar (KCAE), 121 km from the middle of the area, began a volume at 20:03 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 |
|---|---|---|---|
| Jul 9, 4:05 PM EDT | TSTM WND DMG | 9 Sw Chesterfield, SC | SCHP REPORTED TREES DOWN ON ANGELUS RD AT BLACK CREEK BRIDGE. TIME ESTIMATED BASED ON RADAR. |
| Jul 9, 4:10 PM EDT | TSTM WND DMG | Chesterfield, SC | SHERIFFS OFFICE REPORTED POWERLINES AND TREES DOWN IN THE TOWN OF CHESTERFIELD |
| Jul 9, 4:11 PM EDT | HAIL 0.88 | Chesterfield, SC | EMERGENCY MANAGER REPORTED NICKEL SIZE HAIL IN THE CITY OF CHESTERFIELD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.0 hours before the alert went out and 157 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
- 1054 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1186 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
785
WUUS52 KCAE 092002
SVRCAE
SCC025-092045-
/O.NEW.KCAE.SV.W.0169.120709T2002Z-120709T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
402 PM EDT MON JUL 9 2012
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHESTERFIELD COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 445 PM EDT
* AT 354 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF
CHESTERFIELD...OR 18 MILES WEST OF CHERAW...AND MOVING EAST AT 5
MPH.
* SOME COMMUNITIES IN THE WARNING AREA INCLUDE CHESTERFIELD...
PAGELAND AND CHERAW
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.
LAT...LON 3450 7989 3455 8032 3482 8045 3482 8042
3482 8041 3480 7995 3465 7983
TIME...MOT...LOC 2002Z 280DEG 4KT 3462 8018
$$
BCThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 3:41 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 49 min |
| Jul 9, 7:23 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Edgefield | 52 min |
| Jul 9, 7:39 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick, Saluda | 51 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.