Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 32, NWS Tallahassee, FL

November 18, 2015Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Nov 18, 2015, 10:45 AM CST for Walton County, Florida. It was in force for 45 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 18, 2015, 10:45 AM CST (16:45 UTC)
Expired: Nov 18, 2015, 11:30 AM CST
In force: 45 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), 42 km from the middle of the area, began a volume at 16:49 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 watch it was issued in

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

Issued	Product	Office	Lasted
Nov 18, 8:25 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.8 hours before the alert went out and 195 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: 5 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 674 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

829 
WFUS52 KTAE 181645
TORTAE
FLC131-181730-
/O.NEW.KTAE.TO.W.0032.151118T1645Z-151118T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1045 AM CST WED NOV 18 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 1130 AM CST
    
* AT 1044 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM
  WAS LOCATED NEAR DESTIN...MOVING NORTH 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. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
SANDESTIN...GULF PINES...VILLA TASSO...TURQUOISE BEACH...FOUR MILE
VILLAGE...MIRAMAR BEACH AND CHOCTAW 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 3040 8639 3039 8636 3039 8633 3038 8633
      3042 8631 3047 8635 3046 8639 3062 8639
      3061 8625 3049 8628 3046 8631 3043 8631
      3040 8630 3037 8631 3038 8639
TIME...MOT...LOC 1644Z 190DEG 27KT 3034 8643 

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

$$

38-GODSEY

1 follow-up statement

114 
WWUS52 KTAE 181707
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1107 AM CST WED NOV 18 2015

FLC131-181730-
/O.CON.KTAE.TO.W.0032.000000T0000Z-151118T1730Z/
WALTON FL-
1107 AM CST WED NOV 18 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM CST FOR
SOUTHWESTERN WALTON COUNTY...
    
AT 1105 AM CST...A CONFIRMED TORNADO WAS LOCATED OVER CHOCTAWHATCHEE
BAY...OR 7 MILES NORTHEAST OF DESTIN...MOVING NORTH AT 25 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...PUBLIC CONFIRMED TORNADO. 

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. 

THIS TORNADO WILL BE NEAR...
  CHOCTAW BEACH AROUND 1110 AM CST.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
SANDESTIN...GULF PINES...VILLA TASSO...TURQUOISE BEACH...FOUR MILE
VILLAGE...AND MIRAMAR BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3040 8639 3039 8636 3039 8633 3038 8633
      3042 8631 3047 8635 3046 8639 3062 8639
      3061 8625 3049 8628 3046 8631 3043 8631
      3040 8630 3037 8631 3038 8639
TIME...MOT...LOC 1705Z 198DEG 20KT 3044 8638 

TORNADO...OBSERVED
HAIL...<.75IN

$$

38-GODSEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 18, 3:04 AM CST	High Surf Advisory	TAE	Walton	15 hr
Nov 18, 6:36 AM CST	Special Marine Warning	TAE		54 min
Nov 18, 7:00 AM CST	Special Weather Statement	TAE	Walton	30 min
Nov 18, 7:33 AM CST	Special Weather Statement	TAE	Walton	42 min
Nov 18, 8:42 AM CST	Special Marine Warning	TAE		63 min
Nov 18, 9:07 AM CST	Special Weather Statement	TAE	Walton	23 min
Nov 18, 9:54 AM CST	Special Marine Warning	TAE		66 min
Nov 18, 11:21 AM CST	Tornado Warning	TAE	Walton	39 min
Nov 18, 11:32 AM CST	Special Marine Warning	TAE		43 min
Nov 18, 12:00 PM CST	Tornado Warning	TAE	Walton	45 min
Nov 18, 12:40 PM CST	Special Marine Warning	TAE		65 min
Nov 18, 1:15 PM CST	Tornado Warning	TAE	Walton	45 min
Nov 18, 2:08 PM CST	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	52 min
Nov 18, 3:03 PM CST	Special Marine Warning	TAE		42 min
Nov 18, 3:09 PM CST	Tornado Warning	TAE	Franklin, Gulf	51 min
Nov 18, 3:19 PM CST	Special Marine Warning	TAE		86 min
Nov 18, 3:59 PM CST	Special Marine Warning	TAE		91 min
Nov 18, 4:04 PM CST	Severe Thunderstorm Warning	TAE	Calhoun, Franklin, Liberty	26 min
Nov 18, 4:31 PM CST	Severe Thunderstorm Warning	TAE	Gadsden, Liberty	44 min
Nov 18, 4:49 PM CST	Tornado Warning	TAE	Gadsden	41 min
Nov 18, 5:14 PM CST	Tornado Warning Tornado observed	TAE	Gadsden	34 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.