Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

February 15, 20215 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 15, 2021, 1:36 PM CST for 5 counties in Florida. It was in force for 54 min. 10 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, 1:36 PM CST (19:36 UTC)
Expired
Feb 15, 2021, 2:30 PM CST
In force
54 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Bay County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 12 km from the middle of the area, began a volume at 19:36 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
Feb 15, 2:02 PM CSTTSTM WND GST 422 Wnw Riverside, FL
Feb 15, 2:03 PM CSTTSTM WND DMGBid-A-Wee, FLPHOTO OF POWER LINES DOWN NEAR RUNWAY ISLAND IN THE PANAMA CITY BEACH AREA.
Feb 15, 2:05 PM CSTTSTM WND DMG2 Nnw Panama City Beach, FLSOCIAL MEDIA REPORT OF MULTIPLE TREES DOWN IN PALMETTO TRACE.
Feb 15, 2:07 PM CSTMARINE TSTM WIND 491 Ene Gulf Resort Beach, FLMESONET STATION XPAN PANAMA CITY BEACH.
Feb 15, 2:20 PM CSTTSTM WND DMG3 S Crystal Lake, FLSOCIAL MEDIA REPORT OF WINDOWS BLOWN OUT AND A SMALL GREENHOUSE DESTROYED NEAR DEANE BOZEMAN SCHOOL.
Feb 15, 2:20 PM CSTTSTM WND DMG6 W Vicksburg, FLTREES ACROSS THE ROADWAY NEAR HIGHWAY 388 AND BURNT MILL CREEK ROAD.
Feb 15, 2:21 PM CSTTSTM WND DMG2 Sse Crystal Lake, FLSOCIAL MEDIA REPORT OF A TREE DOWN ON SPIKES ROAD.
Feb 15, 2:25 PM CSTTSTM WND DMGSouthport, FLCARPORT DESTROYED BY STRONG WINDS IN SOUTHPORT. REPORT VIA SOCIAL MEDIA.
Feb 15, 2:30 PM CSTTSTM WND DMG3 N Porter Lake, FLREPORT OF SOME DAMAGE TO A FARM WITH A CAR PORT DESTROYED. ALSO SOME DAMAGE TO NEARBY HOMES.
Feb 15, 2:30 PM CSTTSTM WND DMGWest Panama City Beach, FLPOWERLINES DOWN ON THE WEST END OF PANAMA CITY BEACH.

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
Feb 15, 11:55 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.6 hours before the alert went out and 148 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.

297 
WUUS52 KTAE 151936
SVRTAE
FLC005-059-063-131-133-152030-
/O.NEW.KTAE.SV.W.0013.210215T1936Z-210215T2030Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jackson County in the Panhandle of Florida...
  Bay County in the Panhandle of Florida...
  Eastern Walton County in the Panhandle of Florida...
  Holmes County in the Panhandle of Florida...
  Washington County in the Panhandle of Florida...

* Until 230 PM CST.

* At 136 PM CST, severe thunderstorms were located along a line
  extending from 8 miles east of Florala to 20 miles southwest of
  Panama City Beach, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panama City, Lynn Haven, Panama City Beach, Callaway, Vernon,
  Bonifay, Chipley, Graceville, Springfield, Hiland Park, Tyndall Air
  Force Base, Bradford, Live Oak, Parker, Ponce De Leon, Caryville,
  Wausau, Esto, Westville and Ebro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM CST for the Panhandle
of Florida.

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

&&

LAT...LON 3099 8604 3099 8549 2993 8549 3024 8603
TIME...MOT...LOC 1936Z 250DEG 43KT 3097 8620 3007 8616 

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

11-MM
1 follow-up statement
268 
WWUS52 KTAE 152027
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
227 PM CST Mon Feb 15 2021

FLC005-059-063-131-133-152037-
/O.EXP.KTAE.SV.W.0013.000000T0000Z-210215T2030Z/
Jackson FL-Bay FL-Walton FL-Holmes FL-Washington FL-
227 PM CST Mon Feb 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JACKSON...BAY...
EASTERN WALTON...HOLMES AND WASHINGTON COUNTIES WILL EXPIRE AT 230 PM
CST...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Tornado Watch remains in effect until 600 PM CST for the Panhandle
of Florida.

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

Remember, a Severe Thunderstorm Warning still remains in effect for
the eastern Florida Panhandle.

LAT...LON 3099 8604 3099 8549 2993 8549 3024 8603
TIME...MOT...LOC 2027Z 250DEG 43KT 3117 8556 3027 8553 

$$

11-MM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 1:11 AM CSTRip Current StatementTAEBay, Franklin, Gulf, Walton41 hr
Feb 15, 1:16 AM CSTSmall Craft AdvisoryTAE29 hr
Feb 15, 12:35 PM CSTSpecial Marine WarningTAE3 hr
Feb 15, 12:53 PM CSTSevere Thunderstorm WarningTAEWalton67 min
Feb 15, 1:12 PM CSTSpecial Marine WarningTAE3 hr
Feb 15, 1:39 PM CSTWind Chill AdvisoryTAEHolmes, Walton20 hr
Feb 15, 1:43 PM CSTSevere Thunderstorm WarningTAELafayette, Madison, Taylor62 min
Feb 15, 2:02 PM CSTTornado WarningTAEBay, Walton, Washington28 min
Feb 15, 2:22 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Holmes, Jackson, Liberty and 1 more53 min
Feb 15, 2:24 PM CSTSevere Thunderstorm WarningTAEMadison55 min
Feb 15, 2:39 PM CSTTornado WarningTAELafayette21 min
Feb 15, 2:41 PM CSTTornado WarningTAEBay, Jackson, Washington12 min
Feb 15, 3:03 PM CSTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Leon, Liberty, Wakulla57 min
Feb 15, 3:25 PM CSTSpecial Marine WarningTAE2 hr
Feb 15, 4:11 PM CSTSevere Thunderstorm WarningTAEJefferson, Madison, Taylor64 min
Feb 15, 4:53 PM CSTSevere Thunderstorm WarningTAELafayette, Madison, Taylor26 min
Feb 15, 5:22 PM CSTSpecial Marine WarningTAE38 min
Feb 15, 5:40 PM CSTSevere Thunderstorm WarningTAEDixie35 min
Feb 15, 5:56 PM CSTSpecial 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.