Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Mobile, AL

July 21, 2016Choctaw County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 21, 2016, 7:14 PM CDT for Choctaw County, Alabama. It was in force for 31 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 21, 2016, 7:14 PM CDT (00:14 UTC)
Expired
Jul 21, 2016, 7:45 PM CDT
In force
31 min
Issued by
NWS Mobile, AL

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 134 km from the middle of the area, began a volume at 00:16 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 00:00Z, 0.2 hours before the alert went out and 192 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, Birmingham, AL at 00:00Z on 2016-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 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, Birmingham, AL at 00:00Z on 2016-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
1430 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1510 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.6

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 21, 7:06 PM CDT, 8 minutes earlier.

Area forecast discussion, Jul 21, 7:06 PM CDT, 8 minutes before
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Hazardous weather outlook, Jul 21, 2:37 PM CDT, 4 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
237 PM CDT THU JUL 21 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-221945-
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-
237 PM CDT THU JUL 21 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

HOT AND HUMID CONDITIONS WILL CONTINUE ACROSS MOST OF THE REGION
LATE THIS AFTERNOON. TEMPERATURES ARE MAINLY IN THE MID (AND EVEN
SOME UPPER) 90S OUTSIDE OF RAIN AREAS...WITH LATE AFTERNOON HEAT
INDICES GENERALLY RANGING FROM AROUND 103 TO 107...WITH ISOLATED
LOCATIONS POSSIBLY REACHING AS HIGH AS AROUND 110. RAIN COOLED AIR
HAS RESULTED IN TEMPERATURES IN AND NEAR THE SHOWERS AND STORMS TO
FALL INTO THE LOWER 80S IN SOME ISOLATED LOCATIONS.

SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER PORTIONS OF
THE REGION...ESPECIALLY COASTAL AND INLAND TO THE EAST OF I-65...AND
ARE EXPECTED TO BECOME A LITTLE MORE NUMEROUS ACROSS ALL OF THE AREA
THROUGH THE LATE AFTERNOON HOURS. A FEW STORMS COULD BECOME STRONG
TO MARGINALLY SEVERE WITH LOCALIZED STRONG TO DAMAGING WINDS...
POSSIBLY UP TO 50 TO 60 MPH. FREQUENT LIGHTNING AND VERY HEAVY
RAINFALL CAN ALSO BE EXPECTED WITH THE STRONGER STORMS. MOST OF THE
SHOWERS AND STORMS SHOULD END ACROSS THE AREA BY MID TO LATE EVENING...
WITH JUST A FEW LINGERING OVERNIGHT. MOVEMENT OF THE STORMS WILL
GENERALLY BE FROM THE NORTHEAST TO THE SOUTHWEST.

A MODERATE RISK OF RIP CURRENTS ALONG THE BEACHES OF ALABAMA AND THE
NORTHWEST FLORIDA PANHANDLE WILL CONTINUE THIS AFTERNOON THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED DAILY THUNDERSTORMS COULD BECOME STRONG AT TIMES...
ACCOMPANIED WITH BRIEF STRONG STRAIGHT LINE WINDS...FREQUENT CLOUD
TO GROUND LIGHTNING AND LOCALLY HEAVY RAINS.

AWAY FROM THE COOLING EFFECTS OF THUNDERSTORMS...ELEVATED HEAT INDEX
VALUES CONTINUE...CLIMBING INTO THE 102 TO 107 DEGREE RANGE ACROSS
SOME AREAS THROUGH THE WEEKEND. ISOLATED LOCATIONS COULD EXPERIENCE
SLIGHTLY HIGHER HEAT INDEX VALUES AROUND 110.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

GMZ630>635-650-655-670-675-221945-
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-
237 PM CDT THU JUL 21 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE MOVING GENERALLY EAST TO
WEST AT TIMES THIS AFTERNOON AND EVENING ACROSS AREA BAYS AND NEAR
SHORE GULF WATERS. WINDS...WAVES...AND SEAS WILL BE LOCALLY HIGHER
NEAR THESE SHOWERS AND THUNDERSTORMS. FREQUENT LIGHTNING AND LOWER
VISIBILITIES IN HEAVY RAIN CAN ALSO BE EXPECTED WITH ANY OF THE
STRONGER MARINE STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WINDS...WAVES...AND SEAS WILL BE LOCALLY HIGHER NEAR ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS THROUGH TONIGHT. FREQUENT
LIGHTNING AND LOWER VISIBILITIES IN HEAVY RAIN CAN ALSO BE EXPECTED
WITH ANY OF THE STRONGER MARINE STORMS.

In the hours before

Special weather statement, Jul 21, 3:27 PM CDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
327 PM CDT THU JUL 21 2016

ALZ056>060-FLZ203-205-212115-
BUTLER AL-CRENSHAW AL-COVINGTON AL-ESCAMBIA AL-CONECUH AL-
SANTA ROSA INLAND FL-OKALOOSA INLAND FL-
327 PM CDT THU JUL 21 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHEASTERN CONECUH...SOUTHWESTERN CRENSHAW...NORTHWESTERN
COVINGTON...SOUTHEASTERN BUTLER...EASTERN ESCAMBIA...NORTHEASTERN
SANTA ROSA AND NORTHWESTERN OKALOOSA COUNTIES UNTIL 415 PM CDT...

AT 324 PM CDT...A 10 MILE WIDE LINE OF DEVELOPING INTENSE
THUNDERSTORMS EXTENDED FROM JUST SOUTH OF DOZIER TO DIXIE TO  NEAR
BRADLEY IN ALABAMA. THE LINE WAS NEARLY STATIONARY AND THE STORMS
ALONG IT WERE EXHIBITING ERRATIC MOTION.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH ANY OF THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...BREWTON...EAST BREWTON...MCKENZIE...RIVER FALLS...JAY...
RED LEVEL...DOZIER...HEATH...GANTT 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.

&&

LAT...LON 3152 8622 3078 8677 3095 8723 3100 8718
      3100 8719 3168 8663
TIME...MOT...LOC 2024Z 176DEG 36KT 3137 8668
Special weather statement, Jul 21, 4:39 PM CDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
439 PM CDT THU JUL 21 2016

MSZ078-212230-
STONE MS-
439 PM CDT THU JUL 21 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...STONE
COUNTY UNTIL 530 PM CDT...

AT 439 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED 9 MILES EAST OF
PERKINSTON...OR 10 MILES SOUTHEAST OF WIGGINS...MOVING WEST AT 10
MPH.

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

LOCATIONS IMPACTED INCLUDE...
WIGGINS...PERKINSTON AND MCHENRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3088 8934 3087 8888 3085 8888 3068 8891
      3068 8924 3065 8924 3065 8934
TIME...MOT...LOC 2139Z 089DEG 9KT 3076 8899
Special weather statement, Jul 21, 4:59 PM CDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
459 PM CDT THU JUL 21 2016

FLZ205-212245-
OKALOOSA INLAND FL-
459 PM CDT THU JUL 21 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHEASTERN OKALOOSA COUNTY UNTIL 545 PM CDT...

AT 459 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF
LAUREL HILL...OR 9 MILES NORTHEAST OF CRESTVIEW...MOVING SOUTH AT
15 TO 20 MPH.

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

LOCATIONS IMPACTED INCLUDE...
CRESTVIEW AND LAUREL HILL.

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 3056 8667 3099 8657 3098 8639 3057 8639
TIME...MOT...LOC 2159Z 355DEG 18KT 3085 8647
Special weather statement, Jul 21, 5:59 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
559 PM CDT THU JUL 21 2016

ALZ053>055-212330-
MONROE AL-CLARKE AL-WILCOX AL-
559 PM CDT THU JUL 21 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...NORTH
CENTRAL MONROE...SOUTH CENTRAL WILCOX AND EAST CENTRAL CLARKE
COUNTIES UNTIL 630 PM CDT...

AT 558 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED NEAR
VREDENBURGH... OR 16 MILES SOUTHWEST OF CAMDEN...MOVING NORTHWEST AT
15 MPH.

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

LOCATIONS IMPACTED INCLUDE...
WHATLEY AND VREDENBURGH.

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 3198 8741 3179 8723 3158 8740 3166 8775
TIME...MOT...LOC 2258Z 131DEG 13KT 3177 8741
Special weather statement, Jul 21, 6:45 PM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
645 PM CDT THU JUL 21 2016

ALZ054-220015-
WILCOX AL-
645 PM CDT THU JUL 21 2016

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHWESTERN WILCOX COUNTY UNTIL 715 PM CDT...

AT 644 PM CDT...THE STRONG THUNDERSTORM WAS LOCATED NEAR CONSUL...OR
17 MILES SOUTH OF UNIONTOWN...MOVING SOUTHEAST AT 10 MPH.

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

LOCATIONS IMPACTED INCLUDE...
DANNELLY RESERVOIR.

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 3227 8744 3224 8741 3224 8739 3222 8739
      3222 8737 3220 8736 3220 8733 3218 8732
      3217 8729 3201 8743 3213 8760 3213 8752
      3226 8752 3227 8751
TIME...MOT...LOC 2344Z 307DEG 7KT 3219 8749
Special weather statement, Jul 21, 7:14 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:38 AM CDTAreal Flood AdvisoryMOBEscambia3 hr
Jul 22, 8:10 AM CDTSpecial Weather StatementMOBMobile65 min
Jul 22, 8:43 AM CDTSpecial Weather StatementMOBMobile47 min
Jul 22, 9:04 AM CDTSpecial Marine WarningMOB56 min
Jul 22, 9:53 AM CDTSpecial Marine WarningMOB67 min
Jul 22, 10:26 AM CDTSpecial Weather StatementMOBMobile64 min
Jul 22, 10:49 AM CDTSpecial Marine WarningMOB56 min
Jul 22, 10:52 AM CDTSpecial Weather StatementMOBMobile38 min
Jul 22, 11:25 AM CDTSpecial Weather StatementMOBWashington50 min
Jul 22, 11:55 AM CDTSpecial Weather StatementMOBConecuh, Monroe35 min
Jul 22, 12:25 PM CDTSpecial Weather StatementMOBWashington35 min
Jul 22, 12:48 PM CDTSpecial Weather StatementMOBEscambia42 min
Jul 22, 1:24 PM CDTSpecial Weather StatementMOBEscambia51 min
Jul 22, 2:38 PM CDTSpecial Weather StatementMOBCovington67 min
Jul 22, 2:54 PM CDTSpecial Weather StatementMOBChoctaw51 min
Jul 22, 3:28 PM CDTSpecial Weather StatementMOBChoctaw62 min
Jul 22, 11:19 AM CDTSpecial Weather StatementMOBEscambia41 min
Jul 22, 6:01 PM CDTAreal Flood AdvisoryMOBOkaloosa119 min
Jul 22, 1:22 PM CDTSpecial Weather StatementMOBGeorge38 min
Jul 22, 1:31 PM CDTSpecial Weather StatementMOBWayne59 min
Jul 22, 2:32 PM CDTSpecial Weather StatementMOBPerry58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.