Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

December 4, 2016Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at Dec 4, 2016, 12:21 PM CST for Okaloosa County, Florida. It was in force for 39 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 4, 2016, 12:21 PM CST (18:21 UTC)
Expired
Dec 4, 2016, 1:00 PM CST
In force
39 min
Issued by
NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 73 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 227 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 2016-12-04Temperature 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 2016-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 453 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
453 m²/s²
0-3 km storm-relative helicity
500 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

721 
WWUS84 KMOB 041821
SPSMOB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1221 PM CST SUN DEC 4 2016
 
FLZ205-041900-
OKALOOSA INLAND FL-
1221 PM CST SUN DEC 4 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHERN OKALOOSA COUNTY UNTIL 100 PM CST...

AT 1221 PM CST...THE STRONG THUNDERSTORM WAS LOCATED OVER BAKER...OR
8 MILES NORTHWEST OF CRESTVIEW...MOVING NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

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

LAT...LON 3069 8674 3080 8679 3087 8679 3099 8653
      3099 8639 3078 8639
TIME...MOT...LOC 1821Z 246DEG 20KT 3080 8671 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 5:48 AM CSTSpecial Marine WarningMOB87 min
Dec 4, 6:17 AM CSTSpecial Weather StatementMOBMobile88 min
Dec 4, 6:53 AM CSTSpecial Weather StatementMOBBaldwin82 min
Dec 4, 6:59 AM CSTSpecial Marine WarningMOB61 min
Dec 4, 7:24 AM CSTSevere Thunderstorm WarningMOBBaldwin36 min
Dec 4, 7:52 AM CSTSpecial Marine WarningMOB53 min
Dec 4, 8:17 AM CSTSpecial Weather StatementMOBBaldwin43 min
Dec 4, 8:34 AM CSTSpecial Weather StatementMOBMobile26 min
Dec 4, 8:40 AM CSTSpecial Marine WarningMOB65 min
Dec 4, 9:28 AM CSTSpecial Weather StatementMOBBaldwin47 min
Dec 4, 9:41 AM CSTSpecial Marine WarningMOB64 min
Dec 4, 11:52 AM CSTSpecial Marine WarningMOB38 min
Dec 4, 12:27 PM CSTMarine Dense Fog AdvisoryMOB3 hr
Dec 4, 8:48 AM CSTSpecial Weather StatementMOBEscambia42 min
Dec 4, 10:11 AM CSTSpecial Weather StatementMOBEscambia64 min
Dec 4, 11:45 AM CSTSpecial Weather StatementMOBSanta Rosa45 min
Dec 4, 1:02 PM CSTSpecial Weather StatementMOBOkaloosa28 min
Dec 4, 1:18 PM CSTSevere Thunderstorm WarningMOBOkaloosa42 min
Dec 4, 1:31 PM CSTSpecial Weather StatementMOBEscambia44 min
Dec 4, 1:59 PM CSTSpecial Weather StatementMOBOkaloosa16 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement 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.