Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 156, NWS Tallahassee, FL

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

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 19, 2021, 8:27 AM CDT for Bay County, Walton County, Washington County, Florida. It was in force for 45 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, 8:27 AM CDT (13:27 UTC)
Expired: Jun 19, 2021, 9:12 AM CDT
In force: 45 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 13:28 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
Jun 19, 8:38 AM CDT	MARINE TSTM WIND 43	2 Wnw Blue Mountain Bea, FL	10 MINUTE WIND GUST OF 43 MILES PER HOUR AT ED WALLINE BEACH.
Jun 19, 9:02 AM CDT	TSTM WND DMG	2 Sw Southport, FL	1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.5 hours before the alert went out and 170 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 191327
SVRTAE
FLC005-131-133-191445-
/O.NEW.KTAE.SV.W.0156.210619T1327Z-210619T1445Z/

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

The National Weather Service in Tallahassee has issued a

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

* Until 945 AM CDT.

* At 827 AM CDT, severe thunderstorms were located along a line
  extending from near Santa Rosa Beach to 30 miles southwest of
  Tyndall Air Force Base, 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, Panama City Beach, Callaway, Santa Rosa
  Beach, Springfield, Mexico Beach, Hiland Park, Tyndall Air Force
  Base, Eglin Air Force Base, Parker, Freeport, Ebro, Allanton,
  Dirego Park, College Station, Gulf Resort Beach, Blue Mountain
  Beach, West Panama City and Seaside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3039 8633 3038 8633 3042 8631 3040 8629
      3040 8623 3043 8625 3038 8612 3039 8611
      3044 8616 3048 8614 3050 8620 3048 8625
      3064 8605 3030 8557 3005 8539 2992 8538
      2995 8549 3026 8604 3035 8639
TIME...MOT...LOC 1327Z 220DEG 36KT 3041 8625 2965 8579 

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

42-DVD

1 follow-up statement

137 
WWUS52 KTAE 191412
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
912 AM CDT Sat Jun 19 2021

FLC005-131-133-191422-
/O.CAN.KTAE.SV.W.0156.000000T0000Z-210619T1445Z/
Bay FL-Walton FL-Washington FL-
912 AM CDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR BAY...SOUTHERN WALTON AND
SOUTHWESTERN WASHINGTON COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

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

LAT...LON 3039 8633 3038 8633 3042 8631 3040 8629
      3040 8623 3043 8625 3038 8612 3039 8611
      3044 8616 3048 8614 3050 8620 3048 8625
      3064 8605 3030 8557 3005 8539 2992 8538
      2995 8549 3026 8604 3035 8639
TIME...MOT...LOC 1411Z 220DEG 36KT 3076 8592 2999 8546 

$$

42-DVD

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, 8:58 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, 2:02 PM CDT	Severe Thunderstorm Warning	TAE	Bay	43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.