Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 163, NWS Tallahassee, FL

June 19, 2021Bay County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 19, 2021, 2:02 PM CDT for Bay County, Florida. It was in force for 43 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: Jun 19, 2021, 2:02 PM CDT (19:02 UTC)
Expired: Jun 19, 2021, 2:45 PM CDT
In force: 43 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Bay County, FL

The radar

The Eglin Afb radar (KEVX), 57 km from the middle of the area, began a volume at 19:04 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.

Issued	Product	Office	Lasted
Jun 19, 9:33 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.0 hours before the alert went out and 122 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: 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.

137 
WUUS52 KTAE 191902
SVRTAE
FLC005-191945-
/O.NEW.KTAE.SV.W.0163.210619T1902Z-210619T1945Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southeastern Bay County in the Panhandle of Florida...

* Until 245 PM CDT.

* At 202 PM CDT, a severe thunderstorm was located 8 miles southwest
  of Tyndall Air Force Base, or 12 miles southwest of Callaway,
  moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panama City, Lynn Haven, Callaway, Springfield, Hiland Park,
  Tyndall Air Force Base, Parker, Bayhead, Southport, Allanton, Cedar
  Grove, Dirego Park, Beacon Beach, Bay Harbor, Recota Beach, College
  Station, Bayou George, Camp Flowers, Cairo and Brannonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for the Panhandle
of Florida.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

LAT...LON 3036 8562 3029 8539 3026 8539 2990 8549
      2993 8556 3004 8575
TIME...MOT...LOC 1902Z 207DEG 36KT 2998 8567 

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

38-GODSEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:18 PM CDT	Special Marine Warning	TAE		117 min
Jun 18, 8:23 PM CDT	Special Marine Warning	TAE		22 min
Jun 18, 8:50 PM CDT	Special Marine Warning	TAE		115 min
Jun 18, 9:24 PM CDT	Special Marine Warning	TAE		96 min
Jun 18, 10:17 PM CDT	Tropical Storm Warning	TAE		17 hr
Jun 19, 4:57 AM CDT	Wind Advisory	TAE	Bay, Holmes, Walton, Washington	20 hr
Jun 19, 7:57 AM CDT	Special Marine Warning	TAE		78 min
Jun 19, 8:27 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	45 min
Jun 19, 8:58 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Holmes, Jackson, Walton, Washington	49 min
Jun 19, 9:01 AM CDT	Tornado Warning	TAE	Walton	14 min
Jun 19, 9:24 AM CDT	Tornado Warning	TAE	Holmes, Walton	21 min
Jun 19, 9:36 AM CDT	Tornado Warning	TAE	Washington	8 min
Jun 19, 10:19 AM CDT	Special Marine Warning	TAE		33 min
Jun 19, 12:52 PM CDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	38 min
Jun 19, 1:01 PM CDT	Severe Thunderstorm Warning	TAE	Walton	44 min
Jun 19, 1:25 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	50 min
Jun 19, 2:02 PM CDT	Special Marine Warning	TAE		118 min
Jun 19, 2:09 PM CDT	Tornado Warning	TAE	Bay	36 min
Jun 19, 2:13 PM CDT	Severe Thunderstorm Warning	TAE	Holmes	62 min
Jun 19, 3:57 PM CDT	Special Marine Warning	TAE		2 hr
Jun 19, 5:52 PM CDT	Special Marine Warning	TAE		113 min
Jun 19, 6:17 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	43 min
Jun 19, 6:55 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson	50 min

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.