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, 1:02 PM CST for Okaloosa County, Florida. It was in force for 28 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, 1:02 PM CST (19:02 UTC)
Expired: Dec 4, 2016, 1:30 PM CST
In force: 28 min
Issued by: NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 82 km from the middle of the area, began a volume at 19:06 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, 7.0 hours before the alert went out and 239 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: 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Dec 4, 12:37 PM CST, 25 minutes earlier.

Area forecast discussion, Dec 4, 12:37 PM CST, 25 minutes before

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Hazardous weather outlook, Dec 4, 5:34 AM CST, 7 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
534 AM CST SUN DEC 4 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-051145-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-WAYNE-PERRY-GREENE-STONE-GEORGE-
534 AM CST SUN DEC 4 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

AN ISOLATED STRONG TO SEVERE STORM IS POSSIBLE TODAY AS A WARM FRONT
LIFTS NORTHWARD ACROSS THE AREA. THE AREA OF GREATEST RISK IS NEAR
THE COAST WHERE THE ATMOSPHERE WILL BE MOST UNSTABLE. DAMAGING
STRAIGHT LINE WINDS AND ISOLATED WEAK TORNADOES ARE POSSIBLE.

THERE IS A HIGH RISK OF RIP CURRENTS TONIGHT ALONG THE GULF BEACHES
OF ALABAMA AND NORTHWEST FLORIDA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE MONDAY AFTERNOON
INTO MONDAY NIGHT. SOME OF THE STORMS COULD BECOME SEVERE WITH
DAMAGING WINDS AND ISOLATED WEAK TORNADOES POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

EMERGENCY MANAGEMENT AND STORM SPOTTER GROUPS SHOULD CONTINUE TO
MONITOR THE LATEST FORECASTS FOR POTENTIAL SEVERE WEATHER MONDAY
AFTERNOON AND EVENING.

GMZ630>635-650-655-670-675-051145-
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
534 AM CST SUN DEC 4 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

STRONG EAST TO SOUTHEASTERLY WINDS WILL BECOME SOUTHERLY THIS
AFTERNOON AS A WARM FRONT MOVES NORTHWARD ACROSS THE MARINE AREA.
HAZARDOUS BOATING CONDITIONS WILL PERSIST THROUGH THIS AFTERNOON. AN
ISOLATED STRONG TO SEVERE STORM IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

HAZARDOUS CONDITIONS FOR SMALL CRAFT COULD POTENTIALLY DEVELOP AGAIN
MONDAY THROUGH MONDAY NIGHT AS WINDS INCREASE AND SEAS BUILD IN
RESPONSE TO THE APPROACH AND PASSAGE OF A COLD FRONT.

In the hours before

Special weather statement, Dec 4, 10:11 AM CST, 2 hours 51 minutes before

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Special weather statement, Dec 4, 11:45 AM CST, 1 hour 17 minutes before

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Local storm report, Dec 4, 12:11 PM CST, 51 minutes before

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Local storm report, Dec 4, 12:16 PM CST, 46 minutes before

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Special weather statement, Dec 4, 12:21 PM CST, 41 minutes before

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Special weather statement, Dec 4, 1:02 PM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 4, 5:48 AM CST	Special Marine Warning	MOB		87 min
Dec 4, 6:17 AM CST	Special Weather Statement	MOB	Mobile	88 min
Dec 4, 6:53 AM CST	Special Weather Statement	MOB	Baldwin	82 min
Dec 4, 6:59 AM CST	Special Marine Warning	MOB		61 min
Dec 4, 7:24 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	36 min
Dec 4, 7:52 AM CST	Special Marine Warning	MOB		53 min
Dec 4, 8:17 AM CST	Special Weather Statement	MOB	Baldwin	43 min
Dec 4, 8:34 AM CST	Special Weather Statement	MOB	Mobile	26 min
Dec 4, 8:40 AM CST	Special Marine Warning	MOB		65 min
Dec 4, 9:28 AM CST	Special Weather Statement	MOB	Baldwin	47 min
Dec 4, 9:41 AM CST	Special Marine Warning	MOB		64 min
Dec 4, 11:52 AM CST	Special Marine Warning	MOB		38 min
Dec 4, 12:27 PM CST	Marine Dense Fog Advisory	MOB		3 hr
Dec 4, 8:48 AM CST	Special Weather Statement	MOB	Escambia	42 min
Dec 4, 10:11 AM CST	Special Weather Statement	MOB	Escambia	64 min
Dec 4, 11:45 AM CST	Special Weather Statement	MOB	Santa Rosa	45 min
Dec 4, 12:21 PM CST	Special Weather Statement	MOB	Okaloosa	39 min
Dec 4, 1:18 PM CST	Severe Thunderstorm Warning	MOB	Okaloosa	42 min
Dec 4, 1:31 PM CST	Special Weather Statement	MOB	Escambia	44 min
Dec 4, 1:59 PM CST	Special Weather Statement	MOB	Okaloosa	16 min

Nearby

Special Weather Statements in Florida, 2016 Every 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.