Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

February 25, 2015Lafayette County, Madison County, Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 25, 2015, 9:44 PM EST for Lafayette County, Madison County, Taylor County, Florida. It was in force for 61 min. 4 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: Feb 25, 2015, 9:44 PM EST (02:44 UTC)
Expired: Feb 25, 2015, 10:45 PM EST
In force: 61 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Lafayette County, FL, Madison County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 72 km from the middle of the area, began a volume at 02:45 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
Feb 25, 9:45 PM EST	TSTM WND DMG	3 Nw Eridu, FL	TREE DOWN AT MT. OLIVE RD AND WYOMING AVE.
Feb 25, 10:05 PM EST	TSTM WND DMG	4 Ese Lee, FL	TREE DOWN ON US 90
Feb 25, 10:45 PM EST	TSTM WND DMG	Perry, FL	MULTIPLE TREES AND POWERLINES DOWN IN TAYLOR COUNTY.
Feb 25, 10:45 PM EST	TSTM WND DMG	Perry-Foley Airport, FL	MULTIPLE TREES AND POWERLINES DOWN IN TAYLOR COUNTY.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 25, 6:39 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.7 hours before the alert went out and 69 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 483 m above ground
0-6 km bulk shear: 84 kt
0-1 km storm-relative helicity: 862 m²/s²
0-3 km storm-relative helicity: 966 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

839 
WUUS52 KTAE 260244
SVRTAE
FLC067-079-123-260345-
/O.NEW.KTAE.SV.W.0013.150226T0244Z-150226T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
944 PM EST WED FEB 25 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LAFAYETTE COUNTY IN FLORIDA...
  MADISON COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF MADISON...
  TAYLOR COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF PERRY...

* UNTIL 1045 PM EST

* AT 942 PM EST...THE NATIONAL WEATHER SERVICE HAS DETECTED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9
  MILES NORTHWEST OF MADISON TO 34 MILES WEST OF PERRY...OR ALONG A
  LINE EXTENDING FROM HAMBURG TO 13 MILES SOUTHEAST OF LIVEOAK
  ISLAND...AND MOVING SOUTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SCANLON...IDDO...ECONFINA...SIRMANS...EBB...RIVERSIDE...CHERRY
  LAKE...MOSELEY HALL...PINETTA...SHADY GROVE...HANSON...LAKE BIRD...
  HOPEWELL...SECOTAN...BOYD...HAMPTON SPRINGS...LEE...PERRY-FOLEY
  AIRPORT...BUCELL JUNCTION...FOLEY...FENHOLLOWAY...PINLAND...SMITH
  AND ADAMS BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE IMMEDIATELY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS UNTIL
THIS STORM PASSES.

&&

LAT...LON 3031 8321 2985 8363 2993 8371 2997 8379
      2996 8383 2999 8385 3008 8400 3025 8392
      3032 8379 3038 8380 3041 8374 3049 8373
      3058 8361 3065 8357 3063 8327 3048 8324
      3043 8322 3041 8317
TIME...MOT...LOC 0244Z 312DEG 22KT 3056 8351 2994 8410

$$

42-DVD

1 follow-up statement

467 
WWUS52 KTAE 260314
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1014 PM EST WED FEB 25 2015

FLC067-079-123-260345-
/O.CON.KTAE.SV.W.0013.000000T0000Z-150226T0345Z/
LAFAYETTE FL-MADISON FL-TAYLOR FL-
1014 PM EST WED FEB 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EST
FOR TAYLOR...MADISON AND NORTHWESTERN LAFAYETTE COUNTIES...

AT 1013 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING DESTRUCTIVE WINDS 
IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM LEE TO 20 MILES WEST OF ADAMS BEACH...OR ALONG A LINE EXTENDING 
FROM MADISON TO 28 MILES SOUTHEAST OF SAINT MARKS...MOVING SOUTHEAST 
AT 25 MPH. THERE HAVE BEEN NUMEROUS TREES AND POWER LINES BLOWN DOWN 
WITH THESE STORMS. THIS IS A DANGEROUS SITUATION.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAMPTON
SPRINGS...PERRY...PERRY-FOLEY AIRPORT...BUCELL JUNCTION...FOLEY...
FENHOLLOWAY...PINLAND AND SMITH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY.

&&

LAT...LON 3031 8321 2985 8363 2993 8371 2997 8379
      2996 8383 2999 8385 3008 8400 3025 8392
      3032 8379 3038 8380 3041 8374 3049 8373
      3058 8361 3065 8357 3063 8327 3048 8324
      3043 8322 3041 8317
TIME...MOT...LOC 0314Z 312DEG 22KT 3043 8335 2982 8395

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 25, 7:22 PM EST	Tornado Warning	TAE	Franklin, Gulf, Liberty	23 min
Feb 25, 8:10 PM EST	Severe Thunderstorm Warning	TAE	Leon, Wakulla	35 min
Feb 25, 8:30 PM EST	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Taylor, Wakulla	30 min
Feb 25, 8:43 PM EST	Special Marine Warning	TAE		62 min
Feb 25, 8:50 PM EST	Severe Thunderstorm Warning	TAE	Franklin, Jefferson, Taylor, Wakulla	40 min
Feb 25, 8:57 PM EST	Severe Thunderstorm Warning	TAE	Jefferson, Madison, Taylor	48 min
Feb 25, 9:38 PM EST	Special Marine Warning	TAE		2 hr
Feb 25, 10:39 PM EST	Severe Thunderstorm Warning	TAE	Lafayette, Madison, Taylor	66 min
Feb 25, 11:15 PM EST	Special Marine Warning	TAE		2 hr
Feb 25, 11:20 PM EST	Areal Flood Advisory	TAE	Taylor	115 min
Feb 25, 11:42 PM EST	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Madison, Taylor	63 min
Feb 26, 12:35 AM EST	Severe Thunderstorm Warning	TAE	Dixie, Lafayette	55 min
Feb 26, 1:51 AM EST	Rip Current Statement	TAE	Bay, Gulf, Walton	17 hr
Feb 26, 3:34 PM EST	Small Craft Advisory	TAE		7 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2015 Every severe thunderstorm warning 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.