Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 32, NWS Mobile, AL

November 30, 2016Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Nov 30, 2016, 11:33 AM CST for Okaloosa County, Florida. It was in force for 27 min. 1 report 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: Nov 30, 2016, 11:33 AM CST (17:33 UTC)
Expired: Nov 30, 2016, 12:00 PM CST
In force: 27 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 43 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.

What was reported inside it

Time	Report	Where	Remark
Nov 30, 11:40 AM CST	TORNADO	4 E Destin, FL	WEB CAM AND OKALOOSA COUNTY LAW ENFORCEMENT CONFIRM A TORNADO MOVED ONSHORE BETWEEN DESTIN AND MIRAMAR BEACH.

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
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 196 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.

883 
WFUS54 KMOB 301733
TORMOB
FLC091-301800-
/O.NEW.KMOB.TO.W.0032.161130T1733Z-161130T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1133 AM CST WED NOV 30 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL NOON CST
    
* AT 1132 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED SOUTH OF 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHEASTERN OKALOOSA COUNTY.

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 8630 3042 8631 3038 8635 3040 8639
      3038 8640 3038 8646 3046 8640 3047 8635
      3048 8633 3047 8630 3048 8628 3043 8628
TIME...MOT...LOC 1732Z 222DEG 31KT 3036 8644 

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

$$

1 follow-up statement

018 
WWUS54 KMOB 301755
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1155 AM CST WED NOV 30 2016

FLC091-301804-
/O.EXP.KMOB.TO.W.0032.000000T0000Z-161130T1800Z/
OKALOOSA FL-
1155 AM CST WED NOV 30 2016

...THE TORNADO WARNING FOR SOUTHEASTERN OKALOOSA COUNTY WILL EXPIRE
AT NOON CST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...WE ARE
CONTINUING TO MONITOR OTHER STORMS OFFSHORE OF OKALOOSA COUNTY AND
ADDITIONAL WARNINGS MAY BE REQUIRED. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR NORTHWESTERN
FLORIDA.

LAT...LON 3041 8630 3042 8631 3038 8635 3040 8639
      3038 8640 3038 8646 3046 8640 3047 8635
      3048 8633 3047 8630 3048 8628 3043 8628
TIME...MOT...LOC 1754Z 222DEG 31KT 3050 8630 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 30, 10:04 AM CST	Special Weather Statement	MOB	Okaloosa	41 min
Nov 30, 10:40 AM CST	Special Weather Statement	MOB	Okaloosa	50 min
Nov 30, 11:49 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	41 min
Nov 30, 12:25 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	50 min
Nov 30, 12:55 PM CST	Special Weather Statement	MOB	Escambia, Santa Rosa	65 min
Nov 30, 1:23 PM CST	High Surf Advisory	MOB	Escambia, Okaloosa, Santa Rosa	5 hr
Nov 30, 1:41 PM CST	Special Weather Statement	MOB	Okaloosa, Santa Rosa	64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.