Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

July 16, 2016Choctaw County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 16, 2016, 5:57 PM CDT for Choctaw County, Alabama. It was in force for 48 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: Jul 16, 2016, 5:57 PM CDT (22:57 UTC)
Expired: Jul 16, 2016, 6:45 PM CDT
In force: 48 min
Issued by: NWS Mobile, AL

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 145 km from the middle of the area, began a volume at 22:58 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

Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 186 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: 631 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: -7 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 Jul 16, 5:49 PM CDT, 8 minutes earlier.

Area forecast discussion, Jul 16, 5:49 PM CDT, 8 minutes before

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Hazardous weather outlook, Jul 16, 5:03 AM CDT, 12 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
503 AM CDT SAT JUL 16 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-171200-
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-
503 AM CDT SAT JUL 16 2016

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS DEVELOP ACROSS THE FORECAST AREA TODAY. A FEW STORMS
COULD BECOME STRONG...ACCOMPANIED WITH BRIEF STRONG...STRAIGHT LINE
WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING. STORM MOTIONS LOOK TO
BE SLOW ENOUGH SUCH THAT ASSOCIATED LOCALLY HEAVY RAINS COULD LEAD TO
RUNOFF AND ISOLATED CASES OF NUISANCE TYPE FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORMS DEVELOP ACROSS THE FORECAST AREA DURING THE OUTLOOK
WITH HIGHER CHANCES OCCURRING DURING THE DAYTIME HOURS WHEN BETTER
ATMOSPHERIC INSTABILITY IS PRESENT. A FEW STORMS COULD BECOME
STRONG...ACCOMPANIED WITH BRIEF STRONG...STRAIGHT LINE
WINDS...FREQUENT CLOUD TO GROUND LIGHTNING...AND LOCALLY HEAVY RAINS.

.SPOTTER INFORMATION STATEMENT...

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

GMZ630>635-650-655-670-675-171200-
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-
503 AM CDT SAT JUL 16 2016

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

.DAY ONE...TODAY AND TONIGHT

WINDS...WAVES...AND SEAS WILL BE LOCALLY HIGHER NEAR SHOWERS AND
THUNDERSTORMS THROUGH TONIGHT. FREQUENT LIGHTNING AND LOWER
VISIBILITIES IN HEAVY RAIN CAN BE EXPECTED WITH THE STRONGER STORMS.
ATMOSPHERIC CONDITIONS SUPPORT THE DEVELOPMENT OF A FEW WATERSPOUTS
AS WELL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

WINDS...WAVES...AND SEAS WILL BE LOCALLY HIGHER NEAR SHOWERS AND
THUNDERSTORMS DURING THE OUTLOOK. FREQUENT LIGHTNING AND LOWER
VISIBILITIES IN HEAVY RAIN CAN BE EXPECTED WITH THE STRONGER STORMS.
ATMOSPHERIC CONDITIONS SUPPORT THE DEVELOPMENT OF A FEW WATERSPOUTS
AS WELL...MAINLY DURING THE EARLY AND MID MORNING HOURS.

In the hours before

Special weather statement, Jul 16, 4:49 PM CDT, 1 hour 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
449 PM CDT SAT JUL 16 2016

ALZ057-162215-
BUTLER AL-
449 PM CDT SAT JUL 16 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...BUTLER
COUNTY UNTIL 515 PM CDT...

AT 448 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED NEAR GEORGIANA...
OR 11 MILES SOUTHWEST OF GREENVILLE...MOVING NORTH NEAR 20 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GREENVILLE...GEORGIANA AND MCKENZIE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3166 8645 3166 8649 3165 8650 3154 8652
      3153 8676 3159 8688 3160 8689 3195 8688
      3195 8646
TIME...MOT...LOC 2148Z 182DEG 20KT 3168 8671

Special weather statement, Jul 16, 5:57 PM CDT, 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
Jul 16, 4:49 PM CDT	Special Weather Statement	MOB	Butler	26 min
Jul 16, 6:54 PM CDT	Areal Flood Advisory	MOB	Choctaw	3 hr

Nearby

Special Weather Statements in Alabama, 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.