Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

January 21, 2017Dougherty County, Lee County, Worth County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 21, 2017, 12:47 PM EST for Dougherty County, Lee County, Worth County, Georgia. It was in force for 28 min. 4 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: Jan 21, 2017, 12:47 PM EST (17:47 UTC)
Expired: Jan 21, 2017, 1:15 PM EST
In force: 28 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dougherty County, GA, Lee County, GA, Worth County, GA

The radar

The Moody AFB radar (KVAX), 123 km from the middle of the area, began a volume at 17:50 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 21, 12:50 PM EST	TSTM WND DMG	2 E East Dougherty, GA	SEVERAL TREES DOWN NEAR PORTERS CORNER RD.
Jan 21, 1:00 PM EST	TSTM WND DMG	2 E East Albany, GA	SEVERAL TREES DOWN NEAR PORTERS CORNER RD.
Jan 21, 1:02 PM EST	TSTM WND DMG	2 Se Albany, GA	TREE DOWN NEAR GAINES AVE
Jan 21, 1:02 PM EST	TSTM WND DMG	4 Wnw Five Points, GA	TREE DOWN ON HWY 33 SOUTH OF HWY 32.

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 21, 9:04 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.8 hours before the alert went out and 132 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: 352 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

968 
WUUS52 KTAE 211747
SVRTAE
GAC095-177-321-211815-
/O.NEW.KTAE.SV.W.0021.170121T1747Z-170121T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1247 PM EST SAT JAN 21 2017

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  South central Lee County in southwestern Georgia...
  Western Worth County in south central Georgia...
  Dougherty County in southwestern Georgia...

* Until 115 PM EST

* At 1247 PM EST, a severe thunderstorm was located near Albany,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Albany, Putney, Sylvester, Poulan, Marine Corps Logistics Base,
  East Albany, Turner City, Walker, Forrester, Isabella, Crestwood,
  Sylvester Airport, Livingston, Acree, Pecan City, Palmyra, Ducker,
  Southwest Ga Regional A/P, Tempy and Gammage.

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 300 PM EST for south central
and southwestern Georgia.

LAT...LON 3162 8380 3162 8378 3141 8379 3141 8400
      3144 8400 3144 8439 3162 8437 3162 8430
      3164 8430 3179 8380
TIME...MOT...LOC 1747Z 247DEG 46KT 3154 8420 

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

ADL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 10:40 AM EST	Severe Thunderstorm Warning	TAE	Clay, Quitman	50 min
Jan 21, 11:20 AM EST	Special Weather Statement	TAE	Clay, Quitman, Randolph	40 min
Jan 21, 11:45 AM EST	Special Weather Statement	TAE	Early, Miller, Seminole	60 min
Jan 21, 11:49 AM EST	Special Weather Statement	TAE	Calhoun, Clay, Early, Lee, Randolph, Terrell	56 min
Jan 21, 11:55 AM EST	Severe Thunderstorm Warning	TAE	Baker, Early, Miller	35 min
Jan 21, 12:07 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Dougherty, Early, Lee, Mitchell and 3 more	38 min
Jan 21, 12:25 PM EST	Severe Thunderstorm Warning	TAE	Baker, Early, Miller, Mitchell	35 min
Jan 21, 12:42 PM EST	Special Weather Statement	TAE	Baker, Colquitt, Dougherty, Mitchell, Tift, Turner and 1 more	63 min
Jan 21, 1:41 PM EST	Special Weather Statement	TAE	Ben Hill, Berrien, Colquitt, Cook, Irwin, Lanier and 1 more	49 min

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.