Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 23, NWS Tallahassee, FL

August 8, 2015Franklin County, Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Aug 8, 2015, 3:17 PM EDT for Franklin County, Gulf County, Florida. It was in force for 28 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: Aug 8, 2015, 3:17 PM EDT (19:17 UTC)
Expired: Aug 8, 2015, 3:45 PM EDT
In force: 28 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Franklin County, FL, Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 115 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

Time	Report	Where	Remark
Aug 8, 3:18 PM EDT	TORNADO	2 W Indian Pass, FL	BRIEF TORNADO TOUCHDOWN IN ST. JOSEPH BAY STATE BUFFER PRESERVE JUST WEST OF INDIAN PASS. MINOR TREE DAMAGE REPORTED. CONFIRMED WITH EYEWITNESS VIDEO AND SOCIAL MEDIA DESCRIPTIONS. TORNADO LIFTED BEFORE REACHING STRUCTURES ALONG THE BEACH.
Aug 8, 3:19 PM EDT	TORNADO	1 W Indian Pass, FL	BRIEF WEAK TORNADO DOWNED SOME TREE LIMBS AND SNAPPED A PINE TREE BEFORE MOVING OFFSHORE.

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 123 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: 709 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

453 
WFUS52 KTAE 081917
TORTAE
FLC037-045-081945-
/O.NEW.KTAE.TO.W.0023.150808T1917Z-150808T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
317 PM EDT SAT AUG 8 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN GULF COUNTY IN THE PANHANDLE OF FLORIDA...
  SOUTHWESTERN FRANKLIN COUNTY IN THE BIG BEND OF FLORIDA...

* UNTIL 345 PM EDT
    
* AT 316 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9
  MILES SOUTH OF PORT ST. JOE...AND MOVING WEST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  INDIAN PASS AND CAPE SAN BLAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2973 8539 2968 8536 2969 8531 2972 8531
      2972 8533 2973 8533 2973 8519 2969 8520
      2966 8518 2968 8521 2968 8520 2970 8521
      2969 8525 2968 8522 2968 8532 2967 8535
      2965 8535
TIME...MOT...LOC 1916Z 082DEG 12KT 2969 8526 

$$

25-CAMP

1 follow-up statement

982 
WWUS52 KTAE 081941
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
341 PM EDT SAT AUG 8 2015

FLC037-045-081950-
/O.EXP.KTAE.TO.W.0023.000000T0000Z-150808T1945Z/
GULF FL-FRANKLIN FL-
341 PM EDT SAT AUG 8 2015

...THE TORNADO WARNING FOR SOUTHWESTERN GULF AND SOUTHWESTERN
FRANKLIN COUNTIES WILL EXPIRE AT 345 PM EDT...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING 
HAS BEEN CANCELLED. HOWEVER...HAIL AND DAMAGING WINDS REMAIN LIKELY 
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
SOUTHERN GULF AND FAR SOUTHWESTERN FRANKLIN COUNTIES.

LAT...LON 2973 8539 2968 8536 2969 8531 2972 8531
      2972 8533 2973 8533 2973 8519 2969 8520
      2966 8518 2968 8521 2968 8520 2970 8521
      2969 8525 2968 8522 2968 8532 2967 8535
      2965 8535
TIME...MOT...LOC 1936Z 082DEG 12KT 2969 8526 

$$

25-CAMP

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 8:17 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Taylor	43 min
Aug 7, 8:26 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Taylor	29 min
Aug 7, 8:28 PM EDT	Special Marine Warning	TAE		62 min
Aug 7, 8:45 PM EDT	Special Marine Warning	TAE		60 min
Aug 7, 8:53 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Taylor	52 min
Aug 8, 12:54 AM EDT	Special Marine Warning	TAE		2 hr
Aug 8, 3:47 AM EDT	Heat Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 8 more	15 hr
Aug 8, 6:46 AM EDT	Special Marine Warning	TAE		89 min
Aug 8, 8:11 AM EDT	Special Marine Warning	TAE		64 min
Aug 8, 8:15 AM EDT	Special Marine Warning	TAE		60 min
Aug 8, 9:19 AM EDT	Special Marine Warning	TAE		56 min
Aug 8, 10:35 AM EDT	Special Marine Warning	TAE		85 min
Aug 8, 1:51 PM EDT	Special Weather Statement	TAE	Walton	39 min
Aug 8, 1:53 PM EDT	Special Weather Statement	TAE	Bay	52 min
Aug 8, 2:19 PM EDT	Special Marine Warning	TAE		56 min
Aug 8, 2:25 PM EDT	Severe Thunderstorm Warning	TAE	Bay	50 min
Aug 8, 2:54 PM EDT	Special Marine Warning	TAE		51 min
Aug 8, 3:12 PM EDT	Severe Thunderstorm Warning	TAE	Franklin, Gulf	48 min
Aug 8, 3:21 PM EDT	Special Marine Warning	TAE		54 min
Aug 8, 3:36 PM EDT	Special Weather Statement	TAE	Walton	39 min
Aug 8, 3:39 PM EDT	Special Marine Warning	TAE		66 min
Aug 8, 4:17 PM EDT	Severe Thunderstorm Warning	TAE	Liberty	28 min

Nearby

Tornado Warnings in Florida, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.