Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 38, NWS Tallahassee, FL

November 18, 2015Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Nov 18, 2015, 1:15 PM 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, 1:15 PM CST (19:15 UTC)
Expired
Nov 18, 2015, 2:00 PM 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), 28 km from the middle of the area, began a volume at 19:16 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.

IssuedProductOfficeLasted
Nov 18, 8:25 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.3 hours before the alert went out and 180 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2015-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2015-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

715 
WFUS52 KTAE 181915
TORTAE
FLC131-182000-
/O.NEW.KTAE.TO.W.0038.151118T1915Z-151118T2000Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 200 PM CST
    
* AT 114 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES SOUTHEAST OF SANTA ROSA BEACH...MOVING
  NORTH AT 35 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. 

* THIS TORNADIC THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS IN
  SOUTH WALTON COUNTY...BUNKER...SEASIDE...FREEPORT...SEAGROVE
  BEACH...BLUE MOUNTAIN BEACH...GRAYTON BEACH...PORT
  WASHINGTON...PORTLAND AND INLET 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 3039 8626 3040 8623 3043 8626 3043 8625
      3038 8616 3039 8611 3043 8612 3044 8616
      3048 8614 3046 8619 3050 8620 3048 8622
      3049 8625 3059 8625 3055 8597 3040 8600
      3027 8600 3036 8626
TIME...MOT...LOC 1914Z 186DEG 29KT 3025 8613 

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

$$

38-GODSEY
2 follow-up statements
699 
WWUS52 KTAE 181933
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
133 PM CST WED NOV 18 2015

FLC131-182000-
/O.CON.KTAE.TO.W.0038.000000T0000Z-151118T2000Z/
WALTON FL-
133 PM CST WED NOV 18 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR
SOUTHEASTERN WALTON COUNTY...
    
AT 132 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES EAST OF SANTA ROSA BEACH...OR ABOUT NEAR
SEASIDE...MOVING NORTH AT 25 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...EGLIN AIR FORCE BASE...FREEPORT...BUNKER...
SEASIDE...SEAGROVE BEACH...BLUE MOUNTAIN BEACH...GRAYTON BEACH...PORT
WASHINGTON...PORTLAND AND INLET 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 3039 8626 3040 8623 3043 8626 3043 8625
      3038 8616 3039 8611 3043 8612 3044 8616
      3048 8614 3046 8619 3050 8620 3048 8622
      3049 8625 3059 8625 3055 8597 3040 8600
      3027 8600 3036 8626
TIME...MOT...LOC 1932Z 193DEG 24KT 3035 8611 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

38-GODSEY
645 
WWUS52 KTAE 181944
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
144 PM CST WED NOV 18 2015

FLC131-182000-
/O.CON.KTAE.TO.W.0038.000000T0000Z-151118T2000Z/
WALTON FL-
144 PM CST WED NOV 18 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR
SOUTHEASTERN WALTON COUNTY...
    
AT 144 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES EAST OF SANTA ROSA BEACH...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. 

LOCATIONS IMPACTED INCLUDE...
FREEPORT...PORT WASHINGTON AND BUNKER. 

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 3057 8611 3055 8597 3040 8600 3031 8606
      3034 8614 3037 8617 3039 8617 3038 8616
      3039 8611 3043 8612 3044 8616 3048 8614
      3047 8615
TIME...MOT...LOC 1944Z 193DEG 26KT 3041 8607 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 3:04 AM CSTHigh Surf AdvisoryTAEWalton15 hr
Nov 18, 6:36 AM CSTSpecial Marine WarningTAE54 min
Nov 18, 7:00 AM CSTSpecial Weather StatementTAEWalton30 min
Nov 18, 7:33 AM CSTSpecial Weather StatementTAEWalton42 min
Nov 18, 8:42 AM CSTSpecial Marine WarningTAE63 min
Nov 18, 9:07 AM CSTSpecial Weather StatementTAEWalton23 min
Nov 18, 9:54 AM CSTSpecial Marine WarningTAE66 min
Nov 18, 10:45 AM CSTTornado WarningTAEWalton45 min
Nov 18, 11:21 AM CSTTornado WarningTAEWalton39 min
Nov 18, 11:32 AM CSTSpecial Marine WarningTAE43 min
Nov 18, 12:00 PM CSTTornado WarningTAEWalton45 min
Nov 18, 12:40 PM CSTSpecial Marine WarningTAE65 min
Nov 18, 2:08 PM CSTSevere Thunderstorm WarningTAEHolmes, Walton, Washington52 min
Nov 18, 3:03 PM CSTSpecial Marine WarningTAE42 min
Nov 18, 3:09 PM CSTTornado WarningTAEFranklin, Gulf51 min
Nov 18, 3:19 PM CSTSpecial Marine WarningTAE86 min
Nov 18, 3:59 PM CSTSpecial Marine WarningTAE91 min
Nov 18, 4:04 PM CSTSevere Thunderstorm WarningTAECalhoun, Franklin, Liberty26 min
Nov 18, 4:31 PM CSTSevere Thunderstorm WarningTAEGadsden, Liberty44 min
Nov 18, 4:49 PM CSTTornado WarningTAEGadsden41 min
Nov 18, 5:14 PM CSTTornado Warning Tornado observedTAEGadsden34 min

Nearby

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