Alert archive / Florida / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 113, NWS Tallahassee, FL

July 3, 2018Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 3, 2018, 7:35 PM EDT for Taylor County, Florida. It was in force for 25 min. 1 report 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: Jul 3, 2018, 7:35 PM EDT (23:35 UTC)
Expired: Jul 3, 2018, 8:00 PM EDT
In force: 25 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Taylor County, FL

The radar

The Tallahassee radar (KTLH), 54 km from the middle of the area, began a volume at 23:35 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
Jul 3, 7:36 PM EDT	TSTM WND DMG	4 Sw Perry-Foley Airpor, FL	TREE DOWN OFF PUCKETT RD.

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, 11.6 hours before the alert went out and 52 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: 1618 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 796 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

722 
WUUS52 KTAE 032335
SVRTAE
FLC123-040000-
/O.NEW.KTAE.SV.W.0113.180703T2335Z-180704T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
735 PM EDT TUE JUL 3 2018

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Taylor County in Big Bend of Florida...

* Until 800 PM EDT.

* At 734 PM EDT, a severe thunderstorm was located 12 miles southwest
  of Perry, moving west at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Scanlon and Econfina. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2990 8373 3008 8403 3010 8404 3011 8403
      3010 8402 3011 8402 3010 8401 3011 8401
      3009 8399 3014 8397 3022 8377 2998 8357
TIME...MOT...LOC 2334Z 072DEG 18KT 3002 8377 

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

32

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 4:15 PM EDT	Special Weather Statement	TAE	Dixie	45 min
Jul 3, 5:14 PM EDT	Special Marine Warning	TAE		46 min
Jul 3, 5:20 PM EDT	Special Weather Statement	TAE	Calhoun	40 min
Jul 3, 5:26 PM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf, Liberty	49 min
Jul 3, 5:45 PM EDT	Special Marine Warning	TAE		60 min
Jul 3, 5:52 PM EDT	Special Weather Statement	TAE	Bay	53 min
Jul 3, 6:02 PM EDT	Special Weather Statement	TAE	Madison	43 min
Jul 3, 6:08 PM EDT	Special Weather Statement	TAE	Liberty	52 min
Jul 3, 6:41 PM EDT	Special Weather Statement	TAE	Washington	49 min
Jul 3, 6:47 PM EDT	Special Marine Warning	TAE		58 min
Jul 3, 7:03 PM EDT	Special Weather Statement	TAE	Taylor	42 min
Jul 3, 7:14 PM EDT	Special Weather Statement	TAE	Holmes	46 min
Jul 3, 7:26 PM EDT	Special Weather Statement	TAE	Jefferson	34 min
Jul 3, 7:43 PM EDT	Special Marine Warning	TAE		92 min
Jul 3, 7:43 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon	16 min
Jul 3, 7:58 PM EDT	Special Weather Statement	TAE	Holmes	17 min

Nearby

Severe Thunderstorm Warnings in Florida, 2018 Every severe thunderstorm warning in 2018

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.