Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

March 17, 2016Santa Rosa County, Florida

NWS Mobile, AL issued this special weather statement at Mar 17, 2016, 11:05 AM CDT for Santa Rosa County, Florida. It was in force for 55 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
Mar 17, 2016, 11:05 AM CDT (16:05 UTC)
Expired
Mar 17, 2016, 12:00 PM CDT
In force
55 min
Issued by
NWS Mobile, AL

County Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 97 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 250 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 2016-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 770 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2016-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
770 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

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 Mar 17, 10:48 AM CDT, 17 minutes earlier.

Area forecast discussion, Mar 17, 10:48 AM CDT, 17 minutes before
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Hazardous weather outlook, Mar 17, 5:06 AM CDT, 5 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
506 AM CDT THU MAR 17 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-181015-
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-
506 AM CDT THU MAR 17 2016

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

.DAY ONE...TODAY AND TONIGHT

A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS MORNING
THROUGH THE AFTERNOON HOURS. THE PRIMARY THREAT WILL BE LARGE HAIL
AND LOCALLY HEAVY RAIN.

SEVERAL AREA RIVERS ARE EXPERIENCING FLOODING....SEE THE LATEST
RIVER FORECAST FOR MORE INFORMATION.

THERE IS A MODERATE RISK OF RIP CURRENTS ALONG THE BEACHES OF
SOUTHWEST ALABAMA AND THE NORTHWEST FLORIDA PANHANDLE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE THROUGH THE END
OF THE WEEK. SOME LOCALLY HEAVY RAIN IS POSSIBLE...ESPECIALLY IN
COASTAL LOCATIONS.

SEVERAL AREA RIVERS ARE EXPERIENCING FLOODING....SEE THE LATEST
RIVER FORECAST FOR MORE INFORMATION.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT
EXPECTED THROUGH WEDNESDAY.

GMZ630>635-650-655-670-675-181015-
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-
506 AM CDT THU MAR 17 2016

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

OFFSHORE FLOW WILL INCREASE SATURDAY INTO SUNDAY AS A COLD FRONT
MOVES SOUTH OF THE AREA.

In the hours before

Special weather statement, Mar 17, 6:14 AM CDT, 4 hours 51 minutes before
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Special weather statement, Mar 17, 7:12 AM CDT, 3 hours 53 minutes before
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Special weather statement, Mar 17, 7:59 AM CDT, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
759 AM CDT THU MAR 17 2016

ALZ060-171330-
COVINGTON AL-
759 AM CDT THU MAR 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL COVINGTON COUNTY
UNTIL 830 AM CDT...

AT 758 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
OPP...MOVING SOUTHEAST AT 20 MPH.

UP TO DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
OPP...HORN HILL AND ONYCHA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

OCCASIONAL CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN
MOBILE.

&&

LAT...LON 3122 8634 3137 8623 3135 8620 3111 8619
TIME...MOT...LOC 1258Z 303DEG 16KT 3126 8622

BUTTS
Special weather statement, Mar 17, 11:05 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1105 AM CDT THU MAR 17 2016

FLZ204-206-171700-
SANTA ROSA COASTAL FL-OKALOOSA COASTAL FL-
1105 AM CDT THU MAR 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SANTA ROSA
AND SOUTHWESTERN OKALOOSA COUNTIES UNTIL NOON CDT...

AT 1104 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES SOUTH OF GULF BREEZE...MOVING EAST AT 20 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GULF BREEZE...MIDWAY...TIGER POINT...NAVARRE BEACH...NAVARRE...ORIOLE
BEACH AND FORT WALTON BEACH--NAVARRE--WRIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM. DO NOT DRIVE
YOUR VEHICLE THROUGH AREAS WHERE WATER COVERS THE ROAD.

OCCASIONAL CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN
MOBILE.

&&

LAT...LON 3036 8720 3045 8686 3044 8682 3045 8676
      3041 8675 3040 8675 3041 8682 3040 8683
      3039 8683 3040 8674 3037 8692 3038 8690
      3039 8685 3040 8684 3040 8695 3035 8717
      3034 8718
TIME...MOT...LOC 1604Z 252DEG 16KT 3023 8713

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 6:14 AM CDTSpecial Weather StatementMOBMonroe46 min
Mar 17, 6:50 AM CDTSevere Thunderstorm WarningMOBClarke, Monroe40 min
Mar 17, 7:12 AM CDTSpecial Weather StatementMOBEscambia63 min
Mar 17, 7:26 AM CDTSevere Thunderstorm WarningMOBConecuh, Monroe49 min
Mar 17, 7:59 AM CDTSpecial Weather StatementMOBCovington31 min
Mar 17, 10:20 AM CDTSpecial Marine WarningMOB25 min
Mar 17, 11:14 AM CDTSpecial Marine WarningMOB46 min
Mar 17, 1:32 PM CDTSpecial Marine WarningMOB58 min
Mar 17, 1:39 PM CDTSpecial Marine WarningMOB66 min
Mar 17, 1:43 PM CDTSevere Thunderstorm WarningMOBMobile47 min
Mar 17, 2:09 PM CDTSevere Thunderstorm WarningMOBMobile51 min
Mar 17, 2:11 PM CDTSpecial Marine WarningMOB49 min
Mar 17, 2:14 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw46 min
Mar 17, 2:17 PM CDTSpecial Marine WarningMOB28 min
Mar 17, 2:31 PM CDTSpecial Weather StatementMOBBaldwin44 min
Mar 17, 3:28 PM CDTSpecial Weather StatementMOBBaldwin32 min
Mar 17, 3:53 PM CDTSevere Thunderstorm WarningMOBBaldwin37 min
Mar 17, 4:08 PM CDTSevere Thunderstorm WarningMOBWashington39 min
Mar 17, 4:09 PM CDTSevere Thunderstorm WarningMOBBaldwin36 min
Mar 17, 4:13 PM CDTSpecial Weather StatementMOBMonroe47 min
Mar 17, 4:32 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe, Wilcox43 min
Mar 17, 6:22 PM CDTAreal Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Escambia, Mobile and 3 more12 hr
Mar 17, 6:32 PM CDTFlash Flood WatchMOBBaldwin, Choctaw, Clarke, Mobile, Washington33 hr
Mar 17, 6:35 PM CDTSpecial Weather StatementMOBWashington55 min
Mar 17, 2:42 PM CDTSpecial Weather StatementMOBEscambia48 min
Mar 17, 2:47 PM CDTSevere Thunderstorm WarningMOBEscambia16 min
Mar 17, 12:17 PM CDTSevere Thunderstorm WarningMOBPerry58 min
Mar 17, 12:52 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene38 min
Mar 17, 1:29 PM CDTSpecial Weather StatementMOBGeorge46 min
Mar 17, 2:25 PM CDTSpecial Weather StatementMOBPerry35 min
Mar 17, 3:26 PM CDTSpecial Weather StatementMOBGreene64 min
Mar 17, 3:34 PM CDTSevere Thunderstorm WarningMOBGreene, Wayne41 min
Mar 17, 3:45 PM CDTSpecial Weather StatementMOBPerry45 min
Mar 17, 4:21 PM CDTSevere Thunderstorm WarningMOBWayne24 min
Mar 17, 5:16 PM CDTSpecial Weather StatementMOBGeorge44 min
Mar 17, 5:44 PM CDTSevere Thunderstorm WarningMOBGreene, Perry, Wayne61 min
Mar 17, 5:59 PM CDTSevere Thunderstorm WarningMOBPerry, Stone47 min
Mar 17, 6:07 PM CDTSevere Thunderstorm WarningMOBGeorge68 min
Mar 17, 6:12 PM CDTSpecial Weather StatementMOBGreene33 min
Mar 17, 6:44 PM CDTSevere Thunderstorm WarningMOBGeorge31 min
Mar 17, 6:57 PM CDTSpecial Weather StatementMOBStone33 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.