Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 182, NWS Mobile, AL

December 28, 2015Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Dec 28, 2015, 12:31 PM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 44 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
Dec 28, 2015, 12:31 PM CST (18:31 UTC)
Expired
Dec 28, 2015, 1:15 PM CST
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Okaloosa County, FL, Santa Rosa County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 28, 11:04 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.5 hours before the alert went out and 242 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 2015-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2015-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
141 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.

559 
WUUS54 KMOB 281831
SVRMOB
FLC091-113-281915-
/O.NEW.KMOB.SV.W.0182.151228T1831Z-151228T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1231 PM CST MON DEC 28 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  CENTRAL OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 115 PM CST

* AT 1231 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 9 MILES WEST OF BAKER TO 6 MILES NORTHEAST OF
  HOLLEY...MOVING NORTHEAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  CRESTVIEW...BAKER...HOLLEY 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR NORTHWESTERN
FLORIDA.

LAT...LON 3043 8693 3045 8693 3046 8692 3046 8693
      3083 8688 3099 8651 3099 8647 3059 8648
      3044 8689 3045 8691 3044 8691 3044 8692
TIME...MOT...LOC 1831Z 238DEG 21KT 3080 8683 3054 8686 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
673 
WWUS54 KMOB 281902
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
102 PM CST MON DEC 28 2015

FLC113-281911-
/O.CAN.KMOB.SV.W.0182.000000T0000Z-151228T1915Z/
SANTA ROSA FL-
102 PM CST MON DEC 28 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SANTA ROSA COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR NORTHWESTERN
FLORIDA.

LAT...LON 3099 8651 3099 8647 3059 8648 3051 8670
      3059 8673 3091 8669
TIME...MOT...LOC 1901Z 238DEG 21KT 3089 8666 3063 8669 

$$

FLC091-281915-
/O.CON.KMOB.SV.W.0182.000000T0000Z-151228T1915Z/
OKALOOSA FL-
102 PM CST MON DEC 28 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CST
FOR CENTRAL OKALOOSA COUNTY...

AT 101 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTH OF BAKER TO 10 MILES SOUTHWEST OF
CRESTVIEW...MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CRESTVIEW AND BAKER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR NORTHWESTERN
FLORIDA.

LAT...LON 3099 8651 3099 8647 3059 8648 3051 8670
      3059 8673 3091 8669
TIME...MOT...LOC 1901Z 238DEG 21KT 3089 8666 3063 8669 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 2:38 AM CSTWind AdvisoryMOBEscambia, Okaloosa, Santa Rosa9 hr
Dec 28, 3:16 AM CSTHigh Surf AdvisoryMOBEscambia, Okaloosa, Santa Rosa15 hr
Dec 28, 7:16 AM CSTTornado WarningMOBEscambia, Santa Rosa59 min
Dec 28, 8:16 AM CSTTornado WarningMOBEscambia, Santa Rosa2 min
Dec 28, 8:19 AM CSTTornado WarningMOBEscambia, Santa Rosa41 min
Dec 28, 8:39 AM CSTTornado WarningMOBEscambia, Santa Rosa51 min
Dec 28, 9:06 AM CSTTornado WarningMOBEscambia39 min
Dec 28, 9:20 AM CSTRiver Flood WarningMOBOkaloosa6 days
Dec 28, 9:30 AM CSTTornado WarningMOBEscambia, Santa Rosa45 min
Dec 28, 9:43 AM CSTTornado WarningMOBEscambia, Santa Rosa30 min
Dec 28, 9:52 AM CSTSpecial Weather StatementMOBEscambia53 min
Dec 28, 10:27 AM CSTTornado WarningMOBEscambia, Santa Rosa33 min
Dec 28, 10:48 AM CSTSpecial Weather StatementMOBEscambia, Santa Rosa57 min
Dec 28, 10:54 AM CSTTornado WarningMOBSanta Rosa15 min
Dec 28, 11:24 AM CSTSpecial Weather StatementMOBEscambia36 min
Dec 28, 12:02 PM CSTSpecial Weather StatementMOBOkaloosa, Santa Rosa88 min
Dec 28, 1:12 PM CSTSevere Thunderstorm WarningMOBOkaloosa48 min
Dec 28, 1:59 PM CSTAreal Flood AdvisoryMOBOkaloosa3 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2015Every severe thunderstorm warning 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.