Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Birmingham, AL

September 11, 2016Lee County, Alabama

NWS Birmingham, AL issued this special weather statement at Sep 11, 2016, 3:43 PM CDT for Lee County, Alabama. It was in force for 32 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
Sep 11, 2016, 3:43 PM CDT (20:43 UTC)
Expired
Sep 11, 2016, 4:15 PM CDT
In force
32 min
Issued by
NWS Birmingham, AL

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 42 km from the middle of the area, began a volume at 20:44 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 125 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, Peachtre/Fal Fld, GA at 12:00Z on 2016-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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, Peachtre/Fal Fld, GA at 12:00Z on 2016-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.193958Sfc1 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
197 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1358 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
8 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 Birmingham, AL wrote its last area forecast discussion before this special weather statement went out at Sep 11, 1:37 PM CDT, 2 hours 6 minutes earlier.

Area forecast discussion, Sep 11, 1:37 PM CDT, 2 hours 6 minutes before
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</head>
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Sep 11, 4:54 AM CDT, 10 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
454 AM CDT SUN SEP 11 2016

ALZ011>015-017>050-121300-
MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN-CHEROKEE-
CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA-
CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-
BULLOCK-LEE-RUSSELL-PIKE-BARBOUR-
454 AM CDT SUN SEP 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...OUTLOOK THROUGH TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT
EXPECTED AT THIS TIME.

08

In the hours before

Special weather statement, Sep 11, 3:32 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
332 PM CDT SUN SEP 11 2016

ALZ030-112100-
SUMTER AL-
332 PM CDT SUN SEP 11 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN SUMTER COUNTY UNTIL
400 PM CDT...

AT 330 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM COATOPA TO NEAR KINTERBISH. MOVEMENT WAS NORTH
AT 5 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
YORK...CUBA...COATOPA...KINTERBISH...DUG HILL...LILITA...BELLAMY...
WARD...I 20 WELCOME CENTER AT CUBA...
WHITFIELD AND OLD MALLARD AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...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 3248 8840 3261 8807 3259 8806 3260 8804
      3246 8798 3243 8804 3240 8805 3237 8804
      3236 8805 3231 8820 3231 8842
TIME...MOT...LOC 2030Z 182DEG 6KT 3248 8808 3230 8835

JH
Special weather statement, Sep 11, 3:36 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
336 PM CDT SUN SEP 11 2016

ALZ028-112100-
CLAY AL-
336 PM CDT SUN SEP 11 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CLAY COUNTY UNTIL
400 PM CDT...

AT 336 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
ASHLAND...MOVING WEST AT 5 MPH.

PEA SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
LINEVILLE...ASHLAND AND BARFIELD.

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 3340 8572 3325 8568 3320 8588 3343 8592
TIME...MOT...LOC 2036Z 071DEG 6KT 3328 8581

JH
Local storm report, Sep 11, 3:38 PM CDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
338 PM CDT SUN SEP 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     HAIL             LINEVILLE               33.31N 85.75W
09/11/2016  U0.25 INCH       CLAY               AL   EMERGENCY MNGR

            .

&&

NWS BIRMINGHAM AL
IRIS SYSTEM
Special weather statement, Sep 11, 3:40 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
340 PM CDT SUN SEP 11 2016

ALZ025-034>036-112115-
CHILTON AL-BIBB AL-COOSA AL-SHELBY AL-
340 PM CDT SUN SEP 11 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CHILTON...SOUTHEASTERN
SHELBY...SOUTHEASTERN BIBB AND NORTHWESTERN COOSA COUNTIES UNTIL 415
PM CDT...

AT 339 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM NEAR LAY LAKE TO NEAR CHILTON COUNTY MOTOR
SPORTS PARK. THESE STORMS WERE NEARLY STATIONARY.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
CALERA...CLANTON...JEMISON...THORSBY...MAPLESVILLE...
CHILTON COUNTY MOTOR SPORTS PARK...BRIERFIELD IRONWORKS PARK...
ASHBY...LAY LAKE...MARBLE VALLEY...MITCHELL LAKE...LAY LAKE DAM...
MORIAH...GAP OF THE MOUNTAIN...LAWLEY...SHELBY...RANDOLPH...
ISABELLA...CAMPBELL AND LOMAX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...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 3317 8649 3315 8648 3313 8646 3310 8649
      3310 8643 3293 8634 3276 8687 3300 8710
TIME...MOT...LOC 2039Z 248DEG 2KT 3303 8656 3291 8688

JH
Local storm report, Sep 11, 3:42 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
342 PM CDT SUN SEP 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0320 PM     HAIL             1 S YATES DAM           32.56N 85.89W
09/11/2016  U0.25 INCH       ELMORE             AL   BROADCAST MEDIA

            REPORTED NEAR TALLASSEE. TIME ESTIMATED FROM
            RADAR.

&&

TG
Special weather statement, Sep 11, 3:43 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
343 PM CDT SUN SEP 11 2016

ALZ047-112115-
LEE AL-
343 PM CDT SUN SEP 11 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL LEE COUNTY UNTIL
415 PM CDT...

AT 342 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER BEAUREGARD...OR 9 MILES SOUTH OF OPELIKA...MOVING SOUTHWEST AT
10 MPH.

PEA SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
AUBURN...OPELIKA...BEAUREGARD...GRIFFEN MILL...
CHEWACLA STATE PARK AND MARVYN.

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 3252 8516 3247 8527 3247 8533 3244 8533
      3241 8539 3241 8543 3250 8544 3250 8549
      3255 8553 3263 8524
TIME...MOT...LOC 2042Z 066DEG 11KT 3252 8533

JH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 7:35 PM CDTSpecial Weather StatementBMXWinston25 min
Sep 11, 1:51 PM CDTSpecial Weather StatementBMXElmore24 min
Sep 11, 1:53 PM CDTSpecial Weather StatementBMXMarengo37 min
Sep 11, 2:10 PM CDTSpecial Weather StatementBMXDallas, Perry35 min
Sep 11, 2:11 PM CDTAreal Flood AdvisoryBMXLowndes2 hr
Sep 11, 2:26 PM CDTAreal Flood AdvisoryBMXAutauga, Chilton, Elmore2 hr
Sep 11, 2:27 PM CDTSpecial Weather StatementBMXMarengo33 min
Sep 11, 2:32 PM CDTSpecial Weather StatementBMXAutauga, Dallas28 min
Sep 11, 2:53 PM CDTSpecial Weather StatementBMXSumter37 min
Sep 11, 2:59 PM CDTSpecial Weather StatementBMXAutauga, Dallas31 min
Sep 11, 3:32 PM CDTSpecial Weather StatementBMXSumter28 min
Sep 11, 3:36 PM CDTSpecial Weather StatementBMXClay24 min
Sep 11, 3:40 PM CDTSpecial Weather StatementBMXChilton35 min
Sep 11, 3:59 PM CDTSpecial Weather StatementBMXCoosa46 min
Sep 11, 5:12 PM CDTSpecial Weather StatementBMXChambers33 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.