Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 158, NWS Tallahassee, FL

June 19, 2021Bay County, Walton County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 19, 2021, 12:52 PM CDT for Bay County, Walton County, Washington County, Florida. It was in force for 38 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
Jun 19, 2021, 12:52 PM CDT (17:52 UTC)
Expired
Jun 19, 2021, 1:30 PM CDT
In force
38 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bay County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 28 km from the middle of the area, began a volume at 17:54 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
Jun 19, 1:00 PM CDTTSTM WND DMG2 E Seagrove Beach, FLREPORT OF A POWER POLE DOWN NEAR LAKEVIEW DR.
Jun 19, 1:30 PM CDTTSTM WND GST 422 Ene Seagrove Beach, FLREPORT OF A 42 MPH WIND GUST.

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
Jun 19, 9:33 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.9 hours before the alert went out and 177 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1367 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted.

632 
WUUS52 KTAE 191752
SVRTAE
FLC005-131-133-191830-
/O.NEW.KTAE.SV.W.0158.210619T1752Z-210619T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1252 PM CDT Sat Jun 19 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Bay County in the Panhandle of Florida...
  Southeastern Walton County in the Panhandle of Florida...
  Southwestern Washington County in the Panhandle of Florida...

* Until 130 PM CDT.

* At 1251 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southwest of Panama City Beach to near Santa
  Rosa Beach, moving north at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panama City Beach, Santa Rosa Beach, De Funiak Springs, Eglin Air
  Force Base, Live Oak, Freeport, Ebro, Portland, Seminole Hills,
  Gulf Resort Beach, Blue Mountain Beach, Seaside, Bahama Beach, Rock
  Hill, Millers Ferry, Pleasant Ridge, Sunnyside, Knox Hill, Bunker
  and Grayton Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for the Panhandle 
of Florida. Tornadoes can develop quickly from severe thunderstorms. 
Although a tornado is not immediately likely, if one is spotted, act 
quickly and move to a place of safety inside a sturdy structure such 
as a basement or small interior room.

&&

LAT...LON 3040 8628 3040 8623 3041 8627 3043 8626
      3038 8617 3039 8611 3042 8614 3043 8612
      3044 8616 3048 8614 3046 8619 3050 8620
      3048 8622 3049 8626 3072 8622 3062 8574
      3012 8585 3016 8596 3022 8605 3028 8630
TIME...MOT...LOC 1751Z 182DEG 44KT 3014 8595 3033 8624 

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

38-GODSEY
1 follow-up statement
539 
WWUS52 KTAE 191816
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
116 PM CDT Sat Jun 19 2021

FLC005-131-133-191830-
/O.CON.KTAE.SV.W.0158.000000T0000Z-210619T1830Z/
Bay FL-Walton FL-Washington FL-
116 PM CDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR NORTHWESTERN BAY...CENTRAL WALTON AND SOUTHWESTERN WASHINGTON
COUNTIES...

At 116 PM CDT, severe thunderstorms were located along a line
extending from 16 miles north of Panama City Beach to near Eglin Air
Force Base, moving north at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
De Funiak Springs, Eglin Air Force Base, Live Oak, Freeport, Ebro,
Red Bay, Portland, Seminole Hills, Rock Hill, Bruce, Red Head,
Eucheeanna, Millers Ferry, Pine Log, Pleasant Ridge, New Home, Knox
Hill and Bunker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for the Panhandle 
of Florida. Tornadoes can develop quickly from severe thunderstorms. 
Although a tornado is not immediately likely, if one is spotted act 
quickly and move to a place of safety inside a sturdy structure, 
such as a basement or small interior room.

&&

LAT...LON 3072 8622 3062 8574 3032 8581 3039 8611
      3042 8614 3043 8612 3044 8616 3046 8615
      3047 8613 3048 8614 3046 8619 3050 8620
      3048 8622 3049 8626
TIME...MOT...LOC 1816Z 182DEG 44KT 3044 8594 3063 8623 

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

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:18 PM CDTSpecial Marine WarningTAE117 min
Jun 18, 8:23 PM CDTSpecial Marine WarningTAE22 min
Jun 18, 8:50 PM CDTSpecial Marine WarningTAE115 min
Jun 18, 9:24 PM CDTSpecial Marine WarningTAE96 min
Jun 18, 10:17 PM CDTTropical Storm WarningTAE17 hr
Jun 19, 4:57 AM CDTWind AdvisoryTAEBay, Holmes, Walton, Washington20 hr
Jun 19, 7:57 AM CDTSpecial Marine WarningTAE78 min
Jun 19, 8:27 AM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington45 min
Jun 19, 8:58 AM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Holmes, Jackson, Walton, Washington49 min
Jun 19, 9:01 AM CDTTornado WarningTAEWalton14 min
Jun 19, 9:24 AM CDTTornado WarningTAEHolmes, Walton21 min
Jun 19, 9:36 AM CDTTornado WarningTAEWashington8 min
Jun 19, 10:19 AM CDTSpecial Marine WarningTAE33 min
Jun 19, 1:01 PM CDTSevere Thunderstorm WarningTAEWalton44 min
Jun 19, 1:25 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington50 min
Jun 19, 2:02 PM CDTSpecial Marine WarningTAE118 min
Jun 19, 2:02 PM CDTSevere Thunderstorm WarningTAEBay43 min
Jun 19, 2:09 PM CDTTornado WarningTAEBay36 min
Jun 19, 2:13 PM CDTSevere Thunderstorm WarningTAEHolmes62 min
Jun 19, 3:57 PM CDTSpecial Marine WarningTAE2 hr
Jun 19, 5:52 PM CDTSpecial Marine WarningTAE113 min
Jun 19, 6:17 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington43 min
Jun 19, 6:55 PM CDTSevere Thunderstorm WarningTAEHolmes, Jackson50 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.