Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 12, NWS Mobile, AL

February 3, 2016Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Feb 3, 2016, 7:49 AM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 36 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
Feb 3, 2016, 7:49 AM CST (13:49 UTC)
Expired
Feb 3, 2016, 8:25 AM CST
In force
36 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 radar

The Eglin Afb radar (KEVX), 66 km from the middle of the area, began a volume at 13:51 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.8 hours before the alert went out and 221 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 2016-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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 2016-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.19395878Sfc1 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
61 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

521 
WUUS54 KMOB 031349
SVRMOB
FLC091-113-031445-
/O.NEW.KMOB.SV.W.0012.160203T1349Z-160203T1445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
749 AM CST WED FEB 3 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 845 AM CST

* AT 748 AM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 10 MILES NORTHEAST OF WHITING FIELD TO 9 MILES EAST
  OF ROEVILLE TO 7 MILES NORTH OF HOLLEY...MOVING NORTHEAST AT 40
  MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  CRESTVIEW...BAKER AND LAUREL HILL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3066 8640 3051 8697 3080 8699 3100 8645
      3099 8639 3068 8639
TIME...MOT...LOC 1348Z 240DEG 36KT 3079 8687 3067 8683 3056 8691 

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
997 
WWUS54 KMOB 031412
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
812 AM CST WED FEB 3 2016

FLC091-113-031445-
/O.CON.KMOB.SV.W.0012.000000T0000Z-160203T1445Z/
SANTA ROSA FL-OKALOOSA FL-
812 AM CST WED FEB 3 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM CST
FOR EAST CENTRAL SANTA ROSA AND CENTRAL OKALOOSA COUNTIES...

AT 811 AM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 5 MILES WEST OF LAUREL HILL TO 4 MILES NORTHEAST OF
CRESTVIEW TO 8 MILES NORTHEAST OF HOLLEY...MOVING EAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
CRESTVIEW...BAKER AND LAUREL HILL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3066 8640 3051 8697 3071 8693 3088 8678
      3100 8645 3099 8639 3068 8639
TIME...MOT...LOC 1411Z 248DEG 46KT 3095 8655 3079 8651 3056 8682 

HAIL...<.75IN
WIND...60MPH
 
$$
206 
WWUS54 KMOB 031425
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
825 AM CST WED FEB 3 2016

FLC091-113-031434-
/O.CAN.KMOB.SV.W.0012.000000T0000Z-160203T1445Z/
SANTA ROSA FL-OKALOOSA FL-
825 AM CST WED FEB 3 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SANTA ROSA AND
CENTRAL OKALOOSA COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL LIKELY WITH THESE THUNDERSTORMS.

LAT...LON 3066 8640 3051 8697 3071 8693 3088 8678
      3100 8645 3099 8639 3068 8639
TIME...MOT...LOC 1422Z 240DEG 36KT 3101 8644 3085 8640 3062 8671 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 4:38 AM CSTFlash Flood WatchMOBEscambia, Okaloosa, Santa Rosa10 hr
Feb 3, 7:39 AM CSTSpecial Weather StatementMOBOkaloosa, Santa Rosa66 min
Feb 3, 8:37 AM CSTSpecial Weather StatementMOBOkaloosa38 min
Feb 3, 8:52 AM CSTAreal Flood AdvisoryMOBOkaloosa53 min
Feb 3, 9:13 AM CSTSpecial Weather StatementMOBOkaloosa32 min
Feb 3, 9:20 AM CSTRiver Flood WarningMOBEscambia5 days
Feb 3, 9:35 AM CSTRiver Flood WarningMOBOkaloosa3 days
Feb 3, 10:01 AM CSTAreal Flood AdvisoryMOBOkaloosa119 min
Feb 3, 10:28 AM CSTFlash Flood WarningMOBOkaloosa3 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning 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.