Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 40, NWS Tallahassee, FL

November 30, 2016Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Nov 30, 2016, 11:35 AM CST for Walton County, Florida. It was in force for 25 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 30, 2016, 11:35 AM CST (17:35 UTC)
Expired: Nov 30, 2016, 12:00 PM CST
In force: 25 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 37 km from the middle of the area, began a volume at 17:34 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 30, 11:06 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.6 hours before the alert went out and 190 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: 43 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 552 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

474 
WFUS52 KTAE 301735
TORTAE
FLC131-301800-
/O.NEW.KTAE.TO.W.0040.161130T1735Z-161130T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1135 AM CST WED NOV 30 2016

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL NOON CST
    
* AT 1135 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR DESTIN...MOVING NORTHEAST 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 DANGEROUS STORM WILL BE NEAR...
  SANTA ROSA BEACH AROUND 1155 AM CST. 

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

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 3038 8633 3041 8631 3047 8635
      3046 8639 3050 8639 3059 8632 3047 8610
      3044 8616 3047 8613 3046 8619 3050 8620
      3047 8624 3048 8624 3049 8626 3047 8630
      3041 8630 3039 8626 3034 8640
TIME...MOT...LOC 1735Z 230DEG 31KT 3037 8642 

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

$$

42-DVD

2 follow-up statements

446 
WWUS52 KTAE 301746
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1146 AM CST WED NOV 30 2016

FLC131-301800-
/O.CON.KTAE.TO.W.0040.000000T0000Z-161130T1800Z/
WALTON FL-
1146 AM CST WED NOV 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL NOON CST FOR WEST
CENTRAL WALTON COUNTY...
    
AT 1146 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES NORTHWEST OF SANTA ROSA BEACH...MOVING NORTHEAST
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 REMAIN OVER MAINLY RURAL AREAS OF
WEST CENTRAL WALTON COUNTY...INCLUDING THE FOLLOWING LOCATIONS: VILLA
TASSO.

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 3047 8635 3046 8639 3050 8639 3059 8632
      3053 8621 3047 8624 3048 8624 3049 8626
      3047 8630
TIME...MOT...LOC 1746Z 226DEG 30KT 3044 8637 

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

$$

42-DVD

011 
WWUS52 KTAE 301800
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1200 PM CST WED NOV 30 2016

FLC131-301810-
/O.EXP.KTAE.TO.W.0040.000000T0000Z-161130T1800Z/
WALTON FL-
1200 PM CST WED NOV 30 2016

...THE TORNADO WARNING FOR WEST CENTRAL WALTON COUNTY HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR THE PANHANDLE
OF FLORIDA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
TALLAHASSEE.

LAT...LON 3047 8635 3046 8639 3050 8639 3059 8632
      3053 8621 3047 8624 3048 8624 3049 8626
      3047 8630
TIME...MOT...LOC 1800Z 230DEG 31KT 3051 8627 

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 2:04 AM CST	Small Craft Advisory	TAE		16 hr
Nov 30, 2:45 AM CST	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	21 hr
Nov 30, 8:33 AM CST	Wind Advisory	TAE	Bay, Calhoun, Holmes, Jackson, Walton, Washington	9 hr
Nov 30, 11:04 AM CST	Special Marine Warning	TAE		56 min
Nov 30, 1:43 PM CST	Tornado Warning	TAE	Holmes	16 min
Nov 30, 3:06 PM CST	Special Weather Statement	TAE	Holmes, Walton	39 min
Nov 30, 3:23 PM CST	Severe Thunderstorm Warning	TAE	Walton	37 min

Nearby

Tornado Warnings in Florida, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.