Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

December 28, 2021Fayette County, Alabama

NWS Birmingham, AL issued this special weather statement at Dec 28, 2021, 11:22 PM CST for Fayette County, Alabama. It was in force for 23 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
Dec 28, 2021, 11:22 PM CST (05:22 UTC)
Expired
Dec 28, 2021, 11:45 PM CST
In force
23 min
Issued by
NWS Birmingham, AL
Hail
0.00 in
Wind
40

County Fayette County, AL

The radar

The Columbus AFB radar (KGWX), 55 km from the middle of the area, began a volume at 05:24 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, 5.4 hours before the alert went out and 124 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 2021-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 2021-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 315 square meters per square second.19395878Sfc1 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
56 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
315 m²/s²
0-3 km storm-relative helicity
304 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 Dec 28, 11:01 PM CST, 21 minutes earlier.

Area forecast discussion, Dec 28, 11:01 PM CST, 21 minutes before
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Hazardous weather outlook, Dec 28, 3:04 PM CST, 8 hours 18 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
304 PM CST Tue Dec 28 2021

ALZ011>015-017>050-300015-
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-
304 PM CST Tue Dec 28 2021

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...Wednesday through Monday.

Strong to severe thunderstorms are possible across Central Alabama
Wednesday afternoon and Wednesday night for areas north of I-85.
Isolated damaging wind gusts are the primary threat, though a tornado
is also possible. Severe storms are also possible across the
southern counties on Thursday, with damaging winds the main threat.

Strong to severe thunderstorms are also possible across Central
Alabama Saturday afternoon into early Sunday Morning. Damaging winds
are the primary threat, though a tornado is also possible. In
addition, locally heavy rainfall could occur which may lead to flash
flooding of low lying, poor drainage, or urban areas.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
Wednesday afternoon through Thursday, as well as on Saturday
afternoon through early Sunday.

In the hours before

Special weather statement, Dec 28, 6:54 PM CST, 4 hours 28 minutes before
Special Weather Statement
National Weather Service Birmingham AL
654 PM CST Tue Dec 28 2021

ALZ011-290115-
Marion AL-
654 PM CST Tue Dec 28 2021

...A strong thunderstorm will impact portions of north central Marion
County through 715 PM CST...

At 654 PM CST, Doppler radar was tracking a strong thunderstorm near
Hackleburg, or 11 miles north of Hamilton, moving northeast at 50
mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Pigeye.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3431 8774 3423 8803 3428 8808 3432 8802
TIME...MOT...LOC 0054Z 239DEG 44KT 3430 8793

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

75 Linhares
Special weather statement, Dec 28, 8:50 PM CST, 2 hours 32 minutes before
Special Weather Statement
National Weather Service Birmingham AL
850 PM CST Tue Dec 28 2021

ALZ011-290315-
Marion AL-
850 PM CST Tue Dec 28 2021

...A strong thunderstorm will impact portions of northwestern Marion
County through 915 PM CST...

At 849 PM CST, Doppler radar was tracking a strong thunderstorm near
Detroit, or 13 miles west of Hamilton, moving northeast at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Hamilton, Weston, Pigeye, Rankin Fite Airport, Byrd and Bexar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3419 8819 3431 8790 3419 8783 3405 8816
      3406 8821
TIME...MOT...LOC 0249Z 243DEG 30KT 3410 8822

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

75 Linhares
Special weather statement, Dec 28, 9:13 PM CST, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Birmingham AL
913 PM CST Tue Dec 28 2021

ALZ012-290400-
Lamar AL-
913 PM CST Tue Dec 28 2021

...A strong thunderstorm will impact portions of northern Lamar
County through 1000 PM CST...

At 913 PM CST, Doppler radar was tracking a strong thunderstorm 9
miles east of Aberdeen, moving northeast at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Sulligent, Detroit, Beaverton, Lamar County Airport, Crews, Henson
Springs and Pine Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3404 8821 3406 8818 3405 8799 3402 8799
      3402 8795 3389 8795 3380 8824
TIME...MOT...LOC 0313Z 241DEG 31KT 3381 8839

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

40/Sizemore
Special weather statement, Dec 28, 10:40 PM CST, 42 minutes before
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Special weather statement, Dec 28, 11:22 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 6:54 PM CSTSpecial Weather StatementBMXMarion21 min
Dec 28, 8:50 PM CSTSpecial Weather StatementBMXMarion25 min
Dec 28, 9:13 PM CSTSpecial Weather StatementBMXLamar47 min
Dec 28, 10:16 PM CSTAreal Flood AdvisoryBMXLamar, Marion3 hr
Dec 28, 10:40 PM CSTSpecial Weather StatementBMXLamar50 min
Dec 28, 11:59 PM CSTSpecial Weather StatementBMXWinston31 min
Dec 29, 1:14 AM CSTAreal Flood AdvisoryBMXFayette, Marion, Walker, Winston2 hr
Dec 29, 7:31 AM CSTSpecial Weather StatementBMXMacon29 min
Dec 29, 8:18 AM CSTSpecial Weather StatementBMXMacon27 min
Dec 29, 2:40 PM CSTSpecial Weather StatementBMXRussell35 min
Dec 29, 4:35 PM CSTSpecial Weather StatementBMXMarion25 min

Nearby

Special Weather Statements in Alabama, 2021Every special weather statement in 2021

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.