Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Tallahassee, FL

February 15, 2021Lafayette County, Madison County, Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 15, 2021, 5:53 PM EST for Lafayette County, Madison County, Taylor County, Florida. It was in force for 26 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
Feb 15, 2021, 5:53 PM EST (22:53 UTC)
Expired
Feb 15, 2021, 6:19 PM EST
In force
26 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lafayette County, FL, Madison County, FL, Taylor County, FL

The radar

The Moody AFB radar (KVAX), 66 km from the middle of the area, began a volume at 22:53 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.

IssuedProductOfficeLasted
Feb 15, 3:02 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.9 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2021-02-15Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
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.

395 
WUUS52 KTAE 152253
SVRTAE
FLC067-079-123-160000-
/O.NEW.KTAE.SV.W.0024.210215T2253Z-210216T0000Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Lafayette County in Big Bend of Florida...
  Northeastern Taylor County in Big Bend of Florida...
  Madison County in Big Bend of Florida...

* Until 700 PM EST.

* At 553 PM EST, severe thunderstorms were located along a line
  extending from 8 miles west of Madison to 11 miles south of Perry,
  moving northeast at 55 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...
  Mayo, Madison, Perry, Lee, Pinland, Hamburg, Buckville, Pinetta,
  Dekle Beach, Foley, Hanson, Perry-Foley Airport, San Pedro
  Junction, Moseley Hall, Chancey, Boyd, Smith, Hopewell, Cherry Lake
  and Carbur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2997 8319 2983 8367 3051 8358 3064 8346
      3063 8328 3059 8326 3055 8326 3052 8324
      3047 8324 3046 8322 3042 8322 3041 8319
      3039 8317 3037 8319 3035 8319 3035 8321
      3031 8321 3025 8325 3011 8323 3010 8317
TIME...MOT...LOC 2253Z 222DEG 46KT 3046 8355 2995 8362 

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

11-MM
1 follow-up statement
568 
WWUS52 KTAE 152319
SVSTAE

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

FLC067-079-123-152329-
/O.CAN.KTAE.SV.W.0024.000000T0000Z-210216T0000Z/
Lafayette FL-Taylor FL-Madison FL-
619 PM EST Mon Feb 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LAFAYETTE...
NORTHEASTERN TAYLOR AND MADISON COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 2997 8319 2983 8367 3051 8358 3064 8346
      3063 8328 3059 8326 3055 8326 3052 8324
      3047 8324 3046 8322 3042 8322 3041 8319
      3039 8317 3037 8319 3035 8319 3035 8321
      3031 8321 3025 8325 3011 8323 3010 8317
TIME...MOT...LOC 2318Z 222DEG 46KT 3070 8330 3019 8337 

$$

11-MM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 2:11 AM ESTRip Current StatementTAEBay, Franklin, Gulf, Walton41 hr
Feb 15, 2:16 AM ESTSmall Craft AdvisoryTAE29 hr
Feb 15, 1:35 PM ESTSpecial Marine WarningTAE3 hr
Feb 15, 1:53 PM ESTSevere Thunderstorm WarningTAEWalton67 min
Feb 15, 2:12 PM ESTSpecial Marine WarningTAE3 hr
Feb 15, 2:36 PM ESTSevere Thunderstorm WarningTAEBay, Holmes, Jackson, Walton, Washington54 min
Feb 15, 2:39 PM ESTWind Chill AdvisoryTAEHolmes, Walton20 hr
Feb 15, 2:43 PM ESTSevere Thunderstorm WarningTAELafayette, Madison, Taylor62 min
Feb 15, 3:02 PM ESTTornado WarningTAEBay, Walton, Washington28 min
Feb 15, 3:22 PM ESTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Holmes, Jackson, Liberty and 1 more53 min
Feb 15, 3:24 PM ESTSevere Thunderstorm WarningTAEMadison55 min
Feb 15, 3:39 PM ESTTornado WarningTAELafayette21 min
Feb 15, 3:41 PM ESTTornado WarningTAEBay, Jackson, Washington12 min
Feb 15, 4:03 PM ESTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Leon, Liberty, Wakulla57 min
Feb 15, 4:25 PM ESTSpecial Marine WarningTAE2 hr
Feb 15, 5:11 PM ESTSevere Thunderstorm WarningTAEJefferson, Madison, Taylor64 min
Feb 15, 6:22 PM ESTSpecial Marine WarningTAE38 min
Feb 15, 6:40 PM ESTSevere Thunderstorm WarningTAEDixie35 min
Feb 15, 6:56 PM ESTSpecial Marine WarningTAE34 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.