Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Birmingham, AL

November 18, 2015Dallas County, Alabama

NWS Birmingham, AL issued this special weather statement at Nov 18, 2015, 9:39 AM CST for Dallas County, Alabama. It was in force for 36 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
Nov 18, 2015, 9:39 AM CST (15:39 UTC)
Expired
Nov 18, 2015, 10:15 AM CST
In force
36 min
Issued by
NWS Birmingham, AL

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 85 km from the middle of the area, began a volume at 15:40 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, 3.7 hours before the alert went out and 86 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 12:00Z on 2015-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 12:00Z on 2015-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 475 square meters per square second.1939587897Sfc1 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
19 J/kg
Mixed-layer CIN
-274 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
475 m²/s²
0-3 km storm-relative helicity
594 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Nov 18, 9:30 AM CST, 9 minutes earlier.

Area forecast discussion, Nov 18, 9:30 AM CST, 9 minutes before
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Hazardous weather outlook, Nov 18, 9:27 AM CST, 12 minutes before
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In the hours before

Special weather statement, Nov 18, 4:21 AM CST, 5 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
421 AM CST WED NOV 18 2015

ALZ011-012-022-030-031-181130-
PICKENS AL-MARION AL-GREENE AL-SUMTER AL-LAMAR AL-
421 AM CST WED NOV 18 2015

...SIGNIFICANT WEATHER ADVISORY FOR PICKENS...LAMAR...NORTHWESTERN
SUMTER...WESTERN MARION AND NORTHWESTERN GREENE COUNTIES UNTIL 530 AM
CST...

AT 421 AM CST...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES WEST OF SULLIGENT
TO NEAR PORTERVILLE...AND MOVING NORTHEAST AT 40 MPH.

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

LOCATIONS IMPACTED INCLUDE...
HAMILTON...LIVINGSTON...ALICEVILLE...VERNON...SULLIGENT...REFORM...
MILLPORT...CARROLLTON...PICKENSVILLE...GUIN...KENNEDY...DETROIT...
GAINESVILLE...BEAVERTON...EPES...ETHELSVILLE...EMELLE...MCMULLEN...
BEVILL LOCK AND DAM AND THE UNIVERSITY OF WEST ALABAMA.

THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 17 AND 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3432 8818 3431 8787 3258 8813 3255 8839
TIME...MOT...LOC 1021Z 215DEG 33KT 3392 8831 3266 8849

19
Special weather statement, Nov 18, 5:23 AM CST, 4 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
523 AM CST WED NOV 18 2015

ALZ011-013>015-022-023-181230-
PICKENS AL-WALKER AL-TUSCALOOSA AL-MARION AL-WINSTON AL-FAYETTE AL-
523 AM CST WED NOV 18 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PICKENS...WESTERN
WINSTON...FAYETTE...EASTERN MARION...NORTHWESTERN TUSCALOOSA AND
NORTHWESTERN WALKER COUNTIES UNTIL 630 AM CST...

AT 523 AM CST...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM HACKLEBURG TO 6 MILES
NORTHEAST OF REFORM...AND MOVING NORTHEAST AT 45 MPH.

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

LOCATIONS IMPACTED INCLUDE...
WINFIELD...FAYETTE...HALEYVILLE...CARBON HILL...REFORM...LYNN...
GUIN...HACKLEBURG...BERRY...BRILLIANT...GLEN ALLEN...KANSAS...BELK...
GU-WIN...ELDRIDGE...ASHRIDGE...BANKSTON...ASHCRAFT CORNER...BLUFF AND
NEEDMORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3430 8745 3347 8762 3329 8801 3352 8798
      3353 8795 3374 8795 3431 8787
TIME...MOT...LOC 1123Z 214DEG 37KT 3425 8786 3346 8797

19
Special weather statement, Nov 18, 7:41 AM CST, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
741 AM CST WED NOV 18 2015

ALZ039-181445-
MARENGO AL-
741 AM CST WED NOV 18 2015

...SIGNIFICANT WEATHER ADVISORY FOR MARENGO COUNTY UNTIL 845 AM
CST...

AT 740 AM CST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
PUTNAM...OR 10 MILES EAST OF BUTLER...MOVING NORTHEAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DEMOPOLIS...LINDEN...JEFFERSON...THOMASTON...SWEET WATER...
MYRTLEWOOD...FAUNSDALE...DAYTON...NANAFALIA...DIXONS MILL...
MAGNOLIA...PIN HOOK...WAYNE...CHICKASAW STATE PARK...MILLER...FREDDIE
JONES FIELD...PUTNAM...PROVIDENCE...OLD SPRING HILL AND OCTAGON.

LAT...LON 3206 8811 3206 8807 3208 8804 3214 8804
      3215 8802 3228 8802 3231 8798 3230 8794
      3228 8794 3229 8793 3234 8797 3234 8798
      3235 8800 3251 8790 3246 8754 3216 8755
      3199 8794 3199 8807 3203 8812
TIME...MOT...LOC 1340Z 221DEG 34KT 3207 8804

75
Special weather statement, Nov 18, 8:45 AM CST, 54 minutes before
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Special weather statement, Nov 18, 9:34 AM CST, 5 minutes before
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Special weather statement, Nov 18, 9:39 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 3:19 AM CSTSpecial Weather StatementBMXLamar, Marion56 min
Nov 18, 3:24 AM CSTSpecial Weather StatementBMXPickens66 min
Nov 18, 4:21 AM CSTSpecial Weather StatementBMXLamar, Pickens, Sumter69 min
Nov 18, 4:27 AM CSTSevere Thunderstorm WarningBMXPickens, Sumter48 min
Nov 18, 5:23 AM CSTSpecial Weather StatementBMXFayette, Marion67 min
Nov 18, 7:41 AM CSTSpecial Weather StatementBMXMarengo64 min
Nov 18, 8:17 AM CSTRiver Flood WarningBMXGreene, Hale, Marengo, Pickens, Sumter3 days
Nov 18, 8:25 AM CSTRiver Flood WarningBMXSumter4 days
Nov 18, 8:45 AM CSTSpecial Weather StatementBMXPerry45 min
Nov 18, 9:20 AM CSTWind AdvisoryBMXJefferson, Shelby3 hr
Nov 18, 9:29 AM CSTAreal Flood AdvisoryBMXGreene, Lamar, Marion, Pickens, Sumter3 hr
Nov 18, 9:34 AM CSTSpecial Weather StatementBMXBlount56 min
Nov 18, 9:45 AM CSTSpecial Weather StatementBMXJefferson, Shelby45 min
Nov 18, 10:16 AM CSTSpecial Weather StatementBMXChilton44 min
Nov 18, 11:05 AM CSTSpecial Weather StatementBMXSt. Clair, Talladega40 min
Nov 18, 12:38 PM CSTAreal Flood AdvisoryBMXAutauga, Elmore, Lowndes, Montgomery3 hr
Nov 18, 1:15 PM CSTAreal Flood AdvisoryBMXClay, Coosa, Tallapoosa3 hr

Nearby

Special Weather Statements in Alabama, 2015Every special weather statement in 2015

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.