Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 13, NWS Columbia, SC

April 10, 2009Lincoln County, Georgia; McCormick County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 10, 2009, 8:29 PM EDT for Lincoln County, Georgia; McCormick County, South Carolina. It was in force for 46 min. 2 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: Apr 10, 2009, 8:29 PM EDT (00:29 UTC)
Expired: Apr 10, 2009, 9:15 PM EDT
In force: 46 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Lincoln County, GA, McCormick County, SC

The radar

The Columbia radar (KCAE), 112 km from the middle of the area, began a volume at 00:32 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
Apr 10, 8:30 PM EDT	HAIL 1	4 Ssw Mount Carmel, SC	QUARTER SIZED HAIL AT MT CARMEL CAMPGROUND
Apr 10, 8:49 PM EDT	HAIL 0.88	7 Wsw Mount Carmel, GA	NICKEL SIZED HAIL ON HWY 79 NORTH OF BEULAH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 10, 6:31 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 0.5 hours before the alert went out and 241 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KCAE 110029
SVRCAE
GAC181-SCC065-110115-
/O.NEW.KCAE.SV.W.0013.090411T0029Z-090411T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
829 PM EDT FRI APR 10 2009

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LINCOLN COUNTY IN EAST CENTRAL GEORGIA
  CENTRAL MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 915 PM EDT

* AT 825 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 15
  MILES NORTHWEST OF LINCOLNTON...OR ABOUT 17 MILES NORTH OF
  WASHINGTON...AND MOVING EAST SOUTHEAST AT 45 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE MCCORMICK

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY MORNING
FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

LAT...LON 3398 8264 3390 8215 3389 8216 3386 8215
      3385 8213 3382 8212 3381 8214 3379 8213
      3376 8217 3371 8217 3376 8257 3384 8259
      3387 8258 3387 8260
TIME...MOT...LOC 0029Z 261DEG 37KT 3397 8259

$$

SJN

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 9:48 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, McDuffie, Richmond	42 min
Apr 10, 10:30 PM EDT	Tornado Warning	CAE	Columbia, Richmond	30 min
Apr 10, 11:05 PM EDT	Severe Thunderstorm Warning	CAE	Burke	40 min
Apr 10, 11:19 PM EDT	Tornado Warning	CAE	Burke	56 min
Apr 10, 11:22 PM EDT	Areal Flood Advisory	CAE	Burke, Richmond	113 min
Apr 11, 12:19 AM EDT	Tornado Warning	CAE	Burke	41 min
Apr 11, 12:54 AM EDT	Severe Thunderstorm Warning	CAE	Burke	51 min
Apr 10, 8:18 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	42 min
Apr 10, 8:54 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	51 min
Apr 10, 9:24 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Lexington, Newberry, Richland	51 min
Apr 10, 9:40 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	50 min
Apr 10, 10:06 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Fairfield, Kershaw, Lee, Richland, Sumter	24 min
Apr 10, 10:27 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	48 min
Apr 10, 10:31 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	44 min
Apr 10, 10:34 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Kershaw, Lee, Richland, Sumter	56 min
Apr 10, 10:41 PM EDT	Tornado Warning	CAE	Aiken	34 min
Apr 10, 11:12 PM EDT	Tornado Warning	CAE	Aiken, Barnwell, Orangeburg	48 min
Apr 10, 11:38 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Calhoun, Orangeburg	67 min
Apr 10, 11:51 PM EDT	Tornado Warning	CAE	Bamberg, Calhoun, Orangeburg	39 min
Apr 11, 12:05 AM EDT	Tornado Warning	CAE	Barnwell	40 min
Apr 11, 12:49 AM EDT	Severe Thunderstorm Warning	CAE	Bamberg	26 min
Apr 11, 1:12 AM EDT	Tornado Warning	CAE	Barnwell	48 min
Apr 11, 4:16 AM EDT	River Flood Warning	CAE	Edgefield, McCormick	16 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2009 Severe Thunderstorm Warnings in South Carolina, 2009 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.