Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 9, NWS Tallahassee, FL

January 2, 2017Lee County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 2, 2017, 10:03 PM EST for Lee County, Georgia. It was in force for 42 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: Jan 2, 2017, 10:03 PM EST (03:03 UTC)
Expired: Jan 2, 2017, 10:45 PM EST
In force: 42 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Lee County, GA

The radar

The Robins AFB radar (KJGX), 123 km from the middle of the area, began a volume at 03:05 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
Jan 2, 10:30 PM EST	TSTM WND DMG	Stocks, GA	SCATTERED TREES DOWN IN LEE COUNTY

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
Jan 2, 4:46 PM EST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.1 hours before the alert went out and 155 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: 202 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

564 
WUUS52 KTAE 030303
SVRTAE
GAC177-030345-
/O.NEW.KTAE.SV.W.0009.170103T0303Z-170103T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1003 PM EST MON JAN 2 2017

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Lee County in southwestern Georgia...

* Until 1045 PM EST

* At 1003 PM EST, a severe thunderstorm was located 10 miles
  southeast of Dawson, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Leesburg, Neyami, Forrester, Chokee, Starksville, Mossy Dell,
  Palmyra, Century, Jordan Place, Stocks, Armena, Scrutchins,
  Philema and Byne Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1100 PM EST for south central
and southwestern Georgia.

LAT...LON 3186 8393 3183 8397 3180 8398 3180 8401
      3176 8399 3172 8403 3166 8401 3162 8405
      3162 8430 3169 8429 3169 8431 3170 8429
      3179 8429 3179 8426 3183 8426 3187 8429
      3187 8433 3188 8430 3191 8408 3191 8392
TIME...MOT...LOC 0303Z 245DEG 40KT 3164 8435 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

38-GODSEY

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 2, 8:45 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Clay, Decatur, Early, Miller and 1 more	60 min
Jan 2, 8:57 PM EST	Severe Thunderstorm Warning	TAE	Decatur, Seminole	63 min
Jan 2, 9:04 PM EST	Tornado Warning	TAE	Early, Miller	26 min
Jan 2, 9:08 PM EST	Tornado Warning	TAE	Early, Miller, Seminole	37 min
Jan 2, 9:17 PM EST	Tornado Warning Tornado observed	TAE	Early	28 min
Jan 2, 9:23 PM EST	Tornado Warning Tornado observed	TAE	Baker, Calhoun, Early	37 min
Jan 2, 9:26 PM EST	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Quitman, Randolph, Terrell	64 min
Jan 2, 9:28 PM EST	Tornado Warning	TAE	Decatur	32 min
Jan 2, 9:34 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Decatur, Dougherty, Grady, Miller and 1 more	56 min
Jan 2, 9:39 PM EST	Tornado Warning Tornado observed	TAE	Baker, Calhoun, Dougherty, Early, Terrell	36 min
Jan 2, 9:44 PM EST	Tornado Warning	TAE	Baker, Miller, Mitchell	31 min
Jan 2, 10:00 PM EST	Tornado Warning Tornado observed	TAE	Dougherty, Lee, Terrell	30 min
Jan 2, 10:09 PM EST	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Cook, Thomas, Tift, Turner and 1 more	66 min
Jan 2, 10:19 PM EST	Tornado Warning	TAE	Dougherty, Lee, Worth	26 min
Jan 2, 10:33 PM EST	Tornado Warning	TAE	Dougherty, Lee, Turner, Worth	27 min
Jan 2, 10:54 PM EST	Severe Thunderstorm Warning	TAE	Ben Hill, Berrien, Cook, Irwin, Tift	66 min
Jan 2, 10:59 PM EST	Severe Thunderstorm Warning	TAE	Brooks, Lanier, Lowndes	61 min
Jan 3, 5:15 AM EST	River Flood Warning	TAE	Terrell, Webster	38 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every severe thunderstorm warning in 2017

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.