Alert archive / Georgia / Tornado Warnings in 2012

Tornado Warning 28, NWS Atlanta, GA

December 17, 2012Montgomery County, Wheeler County, Georgia

NWS Atlanta, GA issued this tornado warning at Dec 17, 2012, 1:49 PM EST for Montgomery County, Wheeler County, Georgia. It was in force for 26 min. 1 report 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
Dec 17, 2012, 1:49 PM EST (18:49 UTC)
Expired
Dec 17, 2012, 2:15 PM EST
In force
26 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Montgomery County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 86 km from the middle of the area, began a volume at 18:52 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

TimeReportWhereRemark
Dec 17, 1:49 PM ESTTORNADO2 Wsw Glenwood, GAWHEELER COUNTY EM REPORTED SOME DOWNED TREES ALONG WITH SOME TREES WITH SHEARED OFF TOPS. THIS CORRESPONDS WELL WITH THE RADAR ROTATION SIGNATURE. NWS SURVEY TEAM WILL INVESTIGATE THE DAMAGE TOMORROW.

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.

IssuedProductOfficeLasted
Dec 17, 1:30 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.8 hours before the alert went out and 212 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2012-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2012-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
620 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
158 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.

468 
WFUS52 KFFC 171849
TORFFC
GAC209-309-171915-
/O.NEW.KFFC.TO.W.0028.121217T1849Z-121217T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
149 PM EST MON DEC 17 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MONTGOMERY COUNTY IN CENTRAL GEORGIA
  NORTHERN WHEELER COUNTY IN CENTRAL GEORGIA

* UNTIL 215 PM EST

* AT 147 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GLENWOOD...
  MOVING NORTHEAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOUNT
  VERNON...AILEY...TARRYTOWN AND HIGGSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO A
BASEMENT OR INTERIOR ROOM ON THE GROUND FLOOR. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST MONDAY EVENING FOR
SOUTHEASTERN GEORGIA.

&&

LAT...LON 3220 8285 3223 8281 3233 8256 3233 8251
      3235 8241 3234 8241 3230 8243 3221 8244
      3215 8246 3205 8277
TIME...MOT...LOC 1849Z 247DEG 47KT 3219 8267

$$
2 follow-up statements
110 
WWUS52 KFFC 171853
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
153 PM EST MON DEC 17 2012

GAC209-309-171915-
/O.CON.KFFC.TO.W.0028.000000T0000Z-121217T1915Z/
WHEELER GA-MONTGOMERY GA-
153 PM EST MON DEC 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EST FOR NORTHERN
MONTGOMERY AND CENTRAL WHEELER COUNTIES...

AT 152 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MOUNT VERNON...
MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
AILEY...TARRYTOWN...KIBBEE AND HIGGSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST MONDAY EVENING FOR
SOUTHEASTERN GEORGIA.

&&

LAT...LON 3206 8274 3225 8276 3233 8256 3233 8251
      3235 8241 3227 8244 3221 8244 3216 8247
      3211 8258
TIME...MOT...LOC 1854Z 247DEG 47KT 3221 8260

$$
695 
WWUS52 KFFC 171901
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
201 PM EST MON DEC 17 2012

GAC209-309-171915-
/O.CON.KFFC.TO.W.0028.000000T0000Z-121217T1915Z/
WHEELER GA-MONTGOMERY GA-
201 PM EST MON DEC 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EST FOR NORTHERN
MONTGOMERY AND EAST CENTRAL WHEELER COUNTIES...

AT 157 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR AILEY...MOVING EAST
AT 40 MPH. ALTHOUGH THE STORM HAS WEAKENED SOMEWHAT...THERE IS STILL 
ROTATION IN THIS STORM.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TARRYTOWN...KIBBEE AND HIGGSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST MONDAY EVENING FOR
SOUTHEASTERN GEORGIA.

&&

LAT...LON 3209 8268 3229 8264 3233 8256 3233 8251
      3235 8241 3227 8244 3221 8244 3216 8247
      3211 8258
TIME...MOT...LOC 1901Z 249DEG 35KT 3222 8253

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 1:25 PM ESTSpecial Weather StatementFFCLaurens35 min
Dec 17, 1:36 PM ESTTornado WarningFFCTelfair, Wilcox24 min
Dec 17, 1:41 PM ESTSpecial Weather StatementFFCMontgomery, Wheeler34 min

Nearby

Tornado Warnings in Georgia, 2012Every tornado warning in 2012Tornadoes 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.