Alert archive / Georgia / Tornado Warnings in 2009

Tornado Warning 9, NWS Columbia, SC

April 11, 2009Burke County, Georgia

NWS Columbia, SC issued this tornado warning at Apr 11, 2009, 12:19 AM EDT for Burke County, Georgia. It was in force for 41 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: Apr 11, 2009, 12:19 AM EDT (04:19 UTC)
Expired: Apr 11, 2009, 1:00 AM EDT
In force: 41 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

County Burke County, GA

The radar

The Charleston,SC radar (KCLX), 122 km from the middle of the area, began a volume at 04:20 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
Apr 10, 9:24 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 4.3 hours before the alert went out and 204 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 
WFUS52 KCAE 110419
TORCAE
GAC033-110500-
/O.NEW.KCAE.TO.W.0009.090411T0419Z-090411T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1219 AM EDT SAT APR 11 2009

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BURKE COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 100 AM EDT

* AT 1217 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  KEYSVILLE...OR ABOUT 15 MILES SOUTHWEST OF GROVETOWN...MOVING EAST
  AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BLYTHE

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY MORNING
FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY MORNING 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 3315 8226 3322 8224 3326 8226 3328 8226
      3330 8220 3327 8213 3323 8210 3323 8208
      3325 8206 3323 8202 3311 8201
TIME...MOT...LOC 0419Z 265DEG 41KT 3327 8232

$$
SJN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 8:29 PM EDT	Severe Thunderstorm Warning	CAE	Lincoln	46 min
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, 12:54 AM EDT	Severe Thunderstorm Warning	CAE	Burke	51 min

Nearby

Tornado Warnings in Georgia, 2009 Every tornado warning in 2009 Tornadoes 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.