Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 150, NWS Tallahassee, FL

June 15, 2021Bay County, Calhoun County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 15, 2021, 2:16 PM CDT for Bay County, Calhoun County, Florida. It was in force for 59 min. 3 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 15, 2021, 2:16 PM CDT (19:16 UTC)
Expired
Jun 15, 2021, 3:15 PM CDT
In force
59 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Bay County, FL, Calhoun County, FL

The radar

The Eglin Afb radar (KEVX), 55 km from the middle of the area, began a volume at 19:19 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 15, 2:30 PM CDTHAIL 12 Sse Saunders, FLSOCIAL MEDIA REPORT OF DIME TO QUARTER SIZE HAIL IN NORTHERN BAY COUNTY EAST OF HIGHWAY 231.
Jun 15, 2:44 PM CDTTSTM WND GST 593 Se Youngstown, FLSPOTTER REPORTS MEASURED WIND GUST OF 59 MPH NEAR YOUNGSTOWN.
Jun 15, 2:59 PM CDTHAIL 1.752 Ene Saunders, FLRECEIVED A REPORT OF GOLF BALL SIZE HAIL ALONG THE BAY/CALHOUN COUNTY LINE ALONG HIGHWAY 20.

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, 7.3 hours before the alert went out and 102 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 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2073 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
2073 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

269 
WUUS52 KTAE 151916
SVRTAE
FLC005-013-152015-
/O.NEW.KTAE.SV.W.0150.210615T1916Z-210615T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
216 PM CDT Tue Jun 15 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northeastern Bay County in the Panhandle of Florida...
  Western Calhoun County in the Panhandle of Florida...

* Until 315 PM CDT.

* At 216 PM CDT, a severe thunderstorm was located 18 miles northeast
  of Lynn Haven, moving east at 10 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Betts, Moose Pond, Clarksville, Red Oak, Fountain, Singer Road,
  Chason, Saunders, Chipola, Camps Head, Center Lake, Willis,
  Youngstown, Frink, Kinard, Blountstown Airport, Broad Branch and
  White Pond.

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 3044 8552 3044 8549 3057 8549 3057 8518
      3058 8517 3051 8506 3020 8526 3041 8553
TIME...MOT...LOC 1916Z 262DEG 11KT 3040 8541 

HAIL...0.88IN
WIND...60MPH
 
$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:44 AM CDTSpecial Weather StatementTAEWashington31 min
Jun 15, 6:53 AM CDTSpecial Marine WarningTAE37 min
Jun 15, 11:04 AM CDTRip Current StatementTAEGulf36 hr
Jun 15, 12:55 PM CDTSpecial Weather StatementTAEBay50 min
Jun 15, 12:58 PM CDTSpecial Weather StatementTAEJefferson47 min
Jun 15, 1:20 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty25 min
Jun 15, 1:20 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty25 min
Jun 15, 1:33 PM CDTSpecial Weather StatementTAEBay, Calhoun, Walton42 min
Jun 15, 1:34 PM CDTSpecial Weather StatementTAELafayette41 min
Jun 15, 1:43 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty62 min
Jun 15, 1:50 PM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington55 min
Jun 15, 1:54 PM CDTSpecial Weather StatementTAELeon36 min
Jun 15, 2:00 PM CDTSpecial Weather StatementTAEJefferson45 min
Jun 15, 2:07 PM CDTSpecial Weather StatementTAEWakulla38 min
Jun 15, 2:14 PM CDTSpecial Marine WarningTAE61 min
Jun 15, 2:15 PM CDTSpecial Weather StatementTAEWalton45 min
Jun 15, 2:26 PM CDTSpecial Weather StatementTAEWakulla49 min
Jun 15, 2:31 PM CDTSpecial Marine WarningTAE59 min
Jun 15, 2:41 PM CDTSpecial Marine WarningTAE2 hr
Jun 15, 2:44 PM CDTSevere Thunderstorm WarningTAEFranklin, Jefferson, Leon, Liberty, Wakulla61 min
Jun 15, 2:51 PM CDTSpecial Weather StatementTAEBay, Gulf39 min
Jun 15, 2:56 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Liberty49 min
Jun 15, 3:02 PM CDTSpecial Weather StatementTAEMadison43 min
Jun 15, 3:12 PM CDTSpecial Marine WarningTAE2 hr
Jun 15, 3:17 PM CDTSpecial Weather StatementTAEJefferson43 min
Jun 15, 3:24 PM CDTSevere Thunderstorm WarningTAEBay, Franklin, Gulf51 min
Jun 15, 3:43 PM CDTSevere Thunderstorm WarningTAEJefferson, Madison77 min
Jun 15, 4:26 PM CDTSpecial Marine WarningTAE94 min
Jun 15, 4:32 PM CDTSpecial Marine WarningTAE88 min
Jun 15, 5:19 PM CDTSpecial Weather StatementTAELafayette26 min
Jun 15, 5:34 PM CDTSevere Thunderstorm WarningTAELafayette41 min
Jun 15, 5:40 PM CDTSpecial Marine WarningTAE95 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.