Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 26, NWS Tallahassee, FL

November 1, 2015Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Nov 1, 2015, 6:09 PM CST for Walton County, Florida. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 1, 2015, 6:09 PM CST (00:09 UTC)
Expired: Nov 1, 2015, 6:27 PM CST
In force: 18 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 33 km from the middle of the area, began a volume at 00:12 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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.2 hours before the alert went out and 182 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: 752 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

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

216 
WFUS52 KTAE 020009
TORTAE
FLC131-020045-
/O.NEW.KTAE.TO.W.0026.151102T0009Z-151102T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
609 PM CST SUN NOV 1 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN WALTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 645 PM CST
    
* AT 609 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR SANTA ROSA BEACH...MOVING NORTHEAST AT 30
  MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  SANTA ROSA BEACH...SANDESTIN...BUNKER...SEASIDE...SEAGROVE BEACH...
  BLUE MOUNTAIN BEACH...GRAYTON BEACH...FOUR MILE VILLAGE...PORT
  WASHINGTON AND TURQUOISE BEACH.

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 OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3041 8631 3039 8626 3040 8623 3041 8627
      3043 8626 3043 8625 3038 8616 3038 8612
      3041 8612 3042 8614 3042 8612 3039 8603
      3031 8611 3037 8634
TIME...MOT...LOC 0009Z 218DEG 25KT 3032 8626 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

JLF

1 follow-up statement

347 
WWUS52 KTAE 020027
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
627 PM CST SUN NOV 1 2015

FLC131-020037-
/O.CAN.KTAE.TO.W.0026.000000T0000Z-151102T0045Z/
WALTON FL-
627 PM CST SUN NOV 1 2015

...THE TORNADO WARNING FOR SOUTHWESTERN WALTON COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3041 8631 3039 8626 3040 8623 3041 8627
      3043 8626 3043 8625 3038 8616 3038 8612
      3041 8612 3042 8614 3042 8612 3039 8603
      3031 8611 3037 8634
TIME...MOT...LOC 0025Z 218DEG 25KT 3042 8617 

$$

JLF

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 1, 7:37 PM CST	Areal Flood Warning	TAE	Walton	3 hr
Nov 1, 8:42 PM CST	River Flood Warning	TAE	Walton	47 hr
Nov 2, 2:46 AM CST	Rip Current Statement	TAE	Bay, Gulf, Walton	23 hr
Nov 2, 4:27 AM CST	Special Marine Warning	TAE		63 min
Nov 2, 5:11 AM CST	Flash Flood Warning	TAE	Walton	3 hr
Nov 2, 5:20 AM CST	Special Marine Warning	TAE		115 min
Nov 2, 7:18 AM CST	Special Marine Warning	TAE		117 min
Nov 2, 8:10 AM CST	Areal Flood Warning	TAE	Walton	3 hr
Nov 2, 9:20 AM CST	Special Marine Warning	TAE		40 min
Nov 2, 9:56 AM CST	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	34 min
Nov 2, 10:43 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	47 min
Nov 2, 10:52 AM CST	Severe Thunderstorm Warning	TAE	Jackson, Washington	23 min
Nov 2, 10:57 AM CST	Tornado Warning	TAE	Bay, Jackson, Washington	33 min
Nov 2, 11:22 AM CST	Severe Thunderstorm Warning	TAE	Jackson	38 min
Nov 2, 1:45 PM CST	River Flood Warning	TAE	Holmes, Washington	5 days
Nov 2, 3:37 PM CST	Special Weather Statement	TAE	Leon	38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.