Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Tallahassee, FL

February 15, 20215 counties in Georgia; Madison County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 15, 2021, 3:24 PM EST for 5 counties in Georgia; Madison County, Florida. It was in force for 55 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: Feb 15, 2021, 3:24 PM EST (20:24 UTC)
Expired: Feb 15, 2021, 4:19 PM EST
In force: 55 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Madison County, FL, Berrien County, GA, Brooks County, GA, Cook County, GA, Lanier County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 42 km from the middle of the area, began a volume at 20:25 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
Feb 15, 3:30 PM EST	TSTM WND DMG	Hopewell, FL	THREE OUTAGES RELATED TO TREE DEBRIS ON POWER LINES IN THE TAYLOR AND MADISON COUNTY AREAS.
Feb 15, 3:36 PM EST	TSTM WND GST 49	Madison, FL

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
Feb 15, 3:02 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.4 hours before the alert went out and 99 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: 468 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 303 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

039 
WUUS52 KTAE 152024
SVRTAE
FLC079-GAC019-027-075-173-185-152130-
/O.NEW.KTAE.SV.W.0018.210215T2024Z-210215T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
324 PM EST Mon Feb 15 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Madison County in Big Bend of Florida...
  Southern Cook County in south central Georgia...
  South central Berrien County in south central Georgia...
  Lanier County in south central Georgia...
  Lowndes County in south central Georgia...
  Central Brooks County in south central Georgia...

* Until 430 PM EST.

* At 324 PM EST, severe thunderstorms were located along a line
  extending from 10 miles southwest of Madison to near Dowling Park
  to 10 miles southeast of Mayo, moving northeast at 65 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Valdosta, Madison, Lake Park, Lakeland, Quitman, Adel, Hahira, Ray
  City, I-75 At Exit 16, Moody Air Force Base, Remerton, Meigs,
  Dasher, Greenville, Morven, Lee, Cecil, Barretts, Greggs and
  Pinetta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EST for Big Bend of
Florida...and south central Georgia.

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

&&

LAT...LON 3085 8301 3085 8309 3080 8313 3063 8314
      3063 8329 3059 8326 3042 8322 3039 8317
      3035 8321 3026 8324 3026 8347 3030 8347
      3030 8367 3055 8364 3058 8360 3064 8360
      3065 8363 3112 8356 3114 8297 3087 8297
TIME...MOT...LOC 2024Z 212DEG 58KT 3037 8356 3029 8331 2992 8310 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

11-MM

2 follow-up statements

695 
WWUS52 KTAE 152058
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
358 PM EST Mon Feb 15 2021

FLC079-GAC027-152108-
/O.CAN.KTAE.SV.W.0018.000000T0000Z-210215T2130Z/
Madison FL-Brooks GA-
358 PM EST Mon Feb 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR MADISON AND CENTRAL BROOKS
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EST for south central
Georgia.

LAT...LON 3085 8301 3085 8309 3080 8313 3063 8314
      3064 8336 3066 8337 3069 8345 3075 8348
      3077 8345 3082 8345 3085 8335 3088 8337
      3090 8344 3098 8344 3105 8350 3105 8354
      3107 8357 3112 8356 3114 8297 3087 8297
TIME...MOT...LOC 2058Z 212DEG 58KT 3083 8323 3075 8298 3038 8277 

$$

GAC019-075-173-185-152130-
/O.CON.KTAE.SV.W.0018.000000T0000Z-210215T2130Z/
Cook GA-Berrien GA-Lanier GA-Lowndes GA-
358 PM EST Mon Feb 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EST
FOR SOUTHERN COOK...SOUTH CENTRAL BERRIEN...LANIER AND LOWNDES
COUNTIES...

At 358 PM EST, severe thunderstorms were located along a line
extending from near Valdosta to near Statenville to near White
Springs, moving northeast at 65 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Lake Park, Lakeland, Valdosta, Adel, Hahira, Ray City, I-75 At Exit
16, Moody Air Force Base, Remerton, Meigs, Dasher, Cecil, Barretts,
New Lois, Greggs, Hansell, Allenville, Clyattville, I-75 At Exit 11
and Teeterville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EST for south central
Georgia.

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

&&

LAT...LON 3085 8301 3085 8309 3080 8313 3063 8314
      3064 8336 3066 8337 3069 8345 3075 8348
      3077 8345 3082 8345 3085 8335 3088 8337
      3090 8344 3098 8344 3105 8350 3105 8354
      3107 8357 3112 8356 3114 8297 3087 8297
TIME...MOT...LOC 2058Z 212DEG 58KT 3083 8323 3075 8298 3038 8277 

HAIL...1.00IN
WIND...60MPH
 
$$

11-MM

017 
WWUS52 KTAE 152119
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
419 PM EST Mon Feb 15 2021

GAC019-075-173-185-152129-
/O.CAN.KTAE.SV.W.0018.000000T0000Z-210215T2130Z/
Cook GA-Berrien GA-Lanier GA-Lowndes GA-
419 PM EST Mon Feb 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN COOK...SOUTH CENTRAL
BERRIEN...LANIER AND LOWNDES COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until 1000 PM EST for south central
Georgia.

LAT...LON 3085 8301 3085 8309 3080 8313 3063 8314
      3064 8336 3066 8337 3069 8345 3075 8348
      3077 8345 3082 8345 3085 8335 3088 8337
      3090 8344 3098 8344 3105 8350 3105 8354
      3107 8357 3112 8356 3114 8297 3087 8297
TIME...MOT...LOC 2118Z 212DEG 58KT 3111 8303 3103 8278 3066 8257 

$$

11-MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 2:39 PM EST	Wind Chill Advisory	TAE	Calhoun, Clay, Early, Quitman, Randolph, Terrell	20 hr
Feb 15, 4:01 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Clay, Decatur, Dougherty, Early and 6 more	59 min
Feb 15, 4:03 PM EST	Severe Thunderstorm Warning	TAE	Decatur, Seminole	57 min
Feb 15, 4:28 PM EST	Tornado Warning	TAE	Decatur, Miller, Seminole	16 min
Feb 15, 4:30 PM EST	Tornado Warning	TAE	Baker, Calhoun, Early, Miller	19 min
Feb 15, 4:42 PM EST	Tornado Warning Tornado observedConsiderable damage threat	TAE	Baker, Calhoun, Dougherty, Early	17 min
Feb 15, 4:52 PM EST	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Decatur, Dougherty, Grady, Lee and 3 more	38 min
Feb 15, 2:11 AM EST	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	41 hr
Feb 15, 2:16 AM EST	Small Craft Advisory	TAE		29 hr
Feb 15, 1:35 PM EST	Special Marine Warning	TAE		3 hr
Feb 15, 1:53 PM EST	Severe Thunderstorm Warning	TAE	Walton	67 min
Feb 15, 2:12 PM EST	Special Marine Warning	TAE		3 hr
Feb 15, 2:36 PM EST	Severe Thunderstorm Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	54 min
Feb 15, 2:43 PM EST	Severe Thunderstorm Warning	TAE	Lafayette, Madison, Taylor	62 min
Feb 15, 3:02 PM EST	Tornado Warning	TAE	Bay, Walton, Washington	28 min
Feb 15, 3:22 PM EST	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Gulf, Holmes, Jackson, Liberty and 1 more	53 min
Feb 15, 3:39 PM EST	Tornado Warning	TAE	Lafayette	21 min
Feb 15, 3:41 PM EST	Tornado Warning	TAE	Bay, Jackson, Washington	12 min
Feb 15, 4:25 PM EST	Special Marine Warning	TAE		2 hr
Feb 15, 5:11 PM EST	Severe Thunderstorm Warning	TAE	Jefferson, Madison, Taylor	64 min
Feb 15, 5:53 PM EST	Severe Thunderstorm Warning	TAE	Lafayette, Madison, Taylor	26 min
Feb 15, 6:22 PM EST	Special Marine Warning	TAE		38 min
Feb 15, 6:40 PM EST	Severe Thunderstorm Warning	TAE	Dixie	35 min
Feb 15, 6:56 PM EST	Special Marine Warning	TAE		34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021 Severe Thunderstorm Warnings in Florida, 2021 Every severe thunderstorm warning in 2021

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.