Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

May 31, 2016Clarke County, Alabama

NWS Mobile, AL issued this special weather statement at May 31, 2016, 4:02 PM CDT for Clarke County, Alabama. It was in force for 43 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
May 31, 2016, 4:02 PM CDT (21:02 UTC)
Expired
May 31, 2016, 4:45 PM CDT
In force
43 min
Issued by
NWS Mobile, AL

County Clarke County, AL

The radar

The Mobile radar (KMOB), 136 km from the middle of the area, began a volume at 21:02 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 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 May 31, 12:59 PM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, May 31, 12:59 PM CDT, 3 hours 3 minutes before
Area Forecast Discussion...UPDATED
National Weather Service Mobile AL
1259 PM CDT TUE MAY 31 2016

.DISCUSSION...Updated for latest aviation discussion below.

&&

.AVIATION...
18Z issuance...Expect mostly VFR conditions through 01.18z. Could
also see some brief periods of mvfr cigs and visibilities in and
around sct thunderstorms through early this evening. Thunderstorms
will be moving mostly east southeast through early this evening.
Winds will be light and variable early this afternoon becoming south
to southwest at 8 to 13 knots later this afternoon and early this
evening...becoming light and variable later this evening and
overnight...shifting south at 5 to 8 knots by mid to late morning on
wed. 32/ee

&&

.PREV DISCUSSION... /issued 617 AM CDT TUE MAY 31 2016/

DISCUSSION...Updated for latest aviation discussion below.

AVIATION...
12Z issuance...General VFR cigs/visbys expected through the forecast.
Isolated shra/tsra forming south of the coast this morning along a
land breeze will transition to Gulf breeze created shra/tsra this
afternoon/evening.

/16

PREV DISCUSSION... /issued 511 AM CDT TUE MAY 31 2016/

NEAR TERM /Now Through Tuesday night/...

An upper trough over the SE Conus Atlantic seaboard fills a bit, as
Bonnie weakens over the Carolinas. With a seasonably hot day
expected over the Southeast, a surface trough forms over the
Southeastern states, again allowing the formation of Gulf breeze and
its movement inland this afternoon.

With a weak surface ridge forming over the north-central Gulf today,
replacing the surface ridge over the Mississippi River Valley the
last few days, a general southwesterly synoptic flow works with the
Gulf breeze, allowing a better inland penetration of the Gulf breeze
along with any resulting TSRA outflows, as apposed to a more limited
concentration of storms over the I10 corridor Monday, so have went
with a more general scattered coverage over the fa today. Also, with
a greater coverage of TSRA possible today, any activity lasting into
the evening is more likely than the previous days, so have included
evening TSRA. With a surface ridge building north from Latin America
over the Gulf of Mexico, temps above seasonal expected, especially
when combined with precip h20 values (around 1.6") above seasonal
levels today.

As with any storm this time of the year, there is a small chance of
a storm or two becoming strong to severe, with localized damaging
downburst winds possible.

/16

SHORT TERM /Wednesday Through Thursday night/...

Weak ridging, both at the surface and aloft, will continue across
the forecast area as we head into the start of meteorological
summer.  As such, an isolated to scattered coverage of convection is
expected to develop along the sea breeze just onshore from the
coast.  The convection will likely move inland during the afternoon,
with additional shower and thunderstorm development possible along
outflow boundaries as they interact with the mesoscale environment.
Any showers/thunderstorms should dissipate by mid-evening.

Forecast soundings continue to indicate sufficient instability for
convective development, with ML-CAPE values hovering around 1000
J/kg (give-or-take).  With forcing expected to remain confined to
the mesoscale (or as the result of boundary interaction) and deep
layer shear practically non-existent, we're not expecting a
significant threat of severe thunderstorms.  However, given the
"inverted-V" nature noted in some of the forecast soundings, we
cannot rule out strong wind gusts with the stronger thunderstorms.
/02/

LONG TERM /Friday Through Monday/...

Changes will start to be noted in the overall weather pattern Friday
as an upper-level low over Central Texas moves east.  This feature
will attempt to phase with a system in the northern tier of states
Friday, and push a weak cold front into the Mid-South and Lower
Mississippi Valley.  Moisture is expected to deepen across the
northern Gulf Coast, as a south to southwesterly flow through (at
least) the mid-levels develops in response.  Given all this, there
should be a west-to-east gradient in convective coverage Friday,
with the greatest coverage expected across Southeast Mississippi.

Evolutionary details of the storm system are bit murky thereafter.
It looks like the upper low may make a little more movement eastward
before filling and becoming more of an open wave.  The surface
boundary should park itself somewhere near the the IH-65 corridor by
Saturday morning.  A deep south to southwesterly flow is expected to
remain in place, allowing precipitable water values to approach 2
inches. The increased synoptic scale forcing in a moist airmass will
likely result in scattered to numerous showers and thunderstorms for
much of the upcoming weekend.  Elevated odds of seeing showers and
thunderstorms will likely continue through Monday.

Right now, it looks like drier air should start to work its way into
the forecast area from the north/west by Monday night as the front
dissipates.

Overall, I have increased shower and thunderstorm probabilities with
this morning's forecast.  Some additional adjustment will likely be
needed heading toward the weekend.  /02/

MARINE...

A weak surface ridge forming over the northern Gulf of Mexico will
create a light, general onshore flow through the forecast. Afternoon
formation of a Gulf breeze will create a temporary increase in the
onshore flow during the afternoon/early evening hours through the
week, with winds becoming moderate at times.

/16

&&

.MOB Watches/Warnings/Advisories...
AL...None.
FL...None.
MS...None.
GM...None.
&&

This product is also available on the web at:
http://weather.gov/mob
Hazardous weather outlook, May 31, 5:39 AM CDT, 10 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
539 AM CDT TUE MAY 31 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-011100-
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-
539 AM CDT TUE MAY 31 2016

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

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS
EXPECTED TODAY INTO TONIGHT. ISOLATED STRONG TO SEVERE STORMS IS
POSSIBLE, WITH DAMAGING WINDS A VERY HEAVY RAINS POSSIBLE.

OTHERWISE...NO ORGANIZED HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED TO SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS
EXPECTED EACH DAY. ISOLATED STRONG TO SEVERE STORMS IS POSSIBLE,
WITH DAMAGING WINDS AND VERY HEAVY RAINS POSSIBLE.

OTHERWISE...NO ORGANIZED HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

GMZ630>635-650-655-670-675-011100-
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-
539 AM CDT TUE MAY 31 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

ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP OVERNIGHT
INTO THE MORNING HOURS...WITH WATERSPOUTS POSSIBLE DURING THE LATE
NIGHT AND EARLY MORNING HOURS.

OTHERWISE...NO ORGANIZED HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP OVERNIGHT
INTO THE MORNING HOURS ALONG A LAND BREEZE...WITH WATERSPOUTS
POSSIBLE DURING THE LATE NIGHT AND EARLY MORNING HOURS.

OTHERWISE...NO ORGANIZED HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

In the hours before

Special weather statement, May 31, 2:42 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
242 PM CDT TUE MAY 31 2016

ALZ059-FLZ201-312030-
ESCAMBIA AL-ESCAMBIA INLAND FL-
242 PM CDT TUE MAY 31 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN ESCAMBIA AND NORTHWESTERN ESCAMBIA COUNTIES UNTIL 330 PM
CDT...

AT 242 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED OVER ATMORE...
MOVING SOUTHWEST AT 5 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ATMORE...I65 AND AL 21...I65 AND CR 1 AND BRATT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3095 8759 3098 8759 3099 8760 3114 8751
      3112 8738 3091 8739
TIME...MOT...LOC 1942Z 033DEG 5KT 3103 8749
Special weather statement, May 31, 3:24 PM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
324 PM CDT TUE MAY 31 2016

ALZ059-262-FLZ201-312115-
ESCAMBIA AL-BALDWIN INLAND AL-ESCAMBIA INLAND FL-
324 PM CDT TUE MAY 31 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...NORTH
CENTRAL BALDWIN...SOUTHWESTERN ESCAMBIA AND NORTHWESTERN ESCAMBIA
COUNTIES UNTIL 415 PM CDT...

AT 323 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST
OF BAY MINETTE...MOVING SOUTHWEST AT 10 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BAY MINETTE...ATMORE...STOCKTON AND I65 AND AL 225.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

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 3094 8789 3094 8788 3095 8787 3097 8789
      3098 8787 3099 8787 3113 8766 3104 8749
      3079 8762 3079 8763
TIME...MOT...LOC 2023Z 035DEG 8KT 3097 8770
Special weather statement, May 31, 3:36 PM CDT, 26 minutes before
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Special weather statement, May 31, 3:38 PM CDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
338 PM CDT TUE MAY 31 2016

ALZ059-312130-
ESCAMBIA AL-
338 PM CDT TUE MAY 31 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...EASTERN
ESCAMBIA COUNTY UNTIL 430 PM CDT...

AT 338 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED 10 MILES EAST OF
EAST BREWTON...OR 11 MILES EAST OF BREWTON...MOVING WEST AT 10 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BREWTON...EAST BREWTON AND RIVERVIEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

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 3100 8708 3122 8709 3119 8675 3100 8672
TIME...MOT...LOC 2038Z 097DEG 9KT 3111 8688
Special weather statement, May 31, 3:59 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
359 PM CDT TUE MAY 31 2016

ALZ052-261-262-312145-
MOBILE INLAND AL-WASHINGTON AL-BALDWIN INLAND AL-
359 PM CDT TUE MAY 31 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHWESTERN BALDWIN...NORTHERN MOBILE AND SOUTH CENTRAL WASHINGTON
COUNTIES UNTIL 445 PM CDT...

AT 358 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED OVER
GULFCREST... OR NEAR CITRONELLE...MOVING SOUTHEAST AT 10 MPH.
ANOTHER STRONG STORM WAS LOCATED NEAR BUCKS...ALSO MOVING SOUTHEAST
AT 10 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BAY MINETTE...CITRONELLE...CREOLA...CHUNCHULA...STOCKTON...GULFCREST...
AXIS...MOUNT VERNON...MOVICO AND I65 AND AL 225.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3093 8836 3118 8831 3112 8776 3090 8778
      3085 8816
TIME...MOT...LOC 2058Z 330DEG 7KT 3104 8825
Special weather statement, May 31, 4:02 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
402 PM CDT TUE MAY 31 2016

ALZ053-312145-
CLARKE AL-
402 PM CDT TUE MAY 31 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...NORTH
CENTRAL CLARKE COUNTY UNTIL 445 PM CDT...

AT 402 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED 10 MILES
NORTHEAST OF COFFEEVILLE...OR 12 MILES WEST OF THOMASVILLE...MOVING
WEST AT 10 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTH CENTRAL
CLARKE COUNTY.

LAT...LON 3194 8781 3177 8778 3177 8801 3192 8806
TIME...MOT...LOC 2102Z 083DEG 9KT 3186 8794

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 7:06 AM CDTSpecial Marine WarningMOB54 min
May 31, 7:39 AM CDTSpecial Marine WarningMOB36 min
May 31, 7:51 AM CDTSpecial Marine WarningMOB24 min
May 31, 8:10 AM CDTSpecial Marine WarningMOB65 min
May 31, 2:02 PM CDTSpecial Weather StatementMOBMonroe43 min
May 31, 2:17 PM CDTSpecial Weather StatementMOBBaldwin43 min
May 31, 2:42 PM CDTSpecial Weather StatementMOBEscambia48 min
May 31, 3:13 PM CDTSevere Thunderstorm WarningMOBBaldwin47 min
May 31, 3:24 PM CDTSpecial Weather StatementMOBBaldwin51 min
May 31, 3:36 PM CDTSpecial Weather StatementMOBBaldwin39 min
May 31, 3:38 PM CDTSpecial Weather StatementMOBEscambia52 min
May 31, 3:47 PM CDTAreal Flood AdvisoryMOBBaldwin3 hr
May 31, 3:59 PM CDTSpecial Weather StatementMOBMobile46 min
May 31, 4:15 PM CDTSpecial Weather StatementMOBBaldwin45 min
May 31, 4:33 PM CDTSevere Thunderstorm WarningMOBMobile42 min
May 31, 5:05 PM CDTSpecial Weather StatementMOBChoctaw40 min
May 31, 1:13 PM CDTSpecial Weather StatementMOBOkaloosa47 min
May 31, 1:35 PM CDTSevere Thunderstorm WarningMOBOkaloosa40 min
May 31, 1:43 PM CDTSpecial Weather StatementMOBSanta Rosa47 min
May 31, 1:46 PM CDTSevere Thunderstorm WarningMOBOkaloosa29 min
May 31, 2:14 PM CDTSpecial Weather StatementMOBOkaloosa46 min
May 31, 2:35 PM CDTSpecial Weather StatementMOBSanta Rosa40 min
May 31, 5:20 PM CDTSpecial Weather StatementMOBGreene40 min

Nearby

Special Weather Statements in Alabama, 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; radar from the NEXRAD Level II archive.