Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

December 11, 2021Pike County, Alabama

NWS Birmingham, AL issued this special weather statement at Dec 11, 2021, 11:33 AM CST for Pike County, Alabama. It was in force for 27 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 11, 2021, 11:33 AM CST (17:33 UTC)
Expired
Dec 11, 2021, 12:00 PM CST
In force
27 min
Issued by
NWS Birmingham, AL
Hail
0.00 in
Wind
40

County Pike County, AL

The radar

The Maxwell AFB radar (KMXX), 75 km from the middle of the area, began a volume at 17:35 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, 5.6 hours before the alert went out and 156 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 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 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 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 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
245 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
371 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.8

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 11, 9:11 AM CST, 2 hours 22 minutes earlier.

Area forecast discussion, Dec 11, 9:11 AM CST, 2 hours 22 minutes before
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Hazardous weather outlook, Dec 11, 2:40 AM CST, 8 hours 53 minutes before
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In the hours before

Special weather statement, Dec 11, 10:17 AM CST, 1 hour 16 minutes before
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Local storm report, Dec 11, 10:22 AM CST, 1 hour 11 minutes before
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Special weather statement, Dec 11, 11:03 AM CST, 30 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1103 AM CST Sat Dec 11 2021

ALZ019-021-027-111745-
Calhoun AL-Talladega AL-Cleburne AL-
1103 AM CST Sat Dec 11 2021

...Strong thunderstorms will impact portions of northeastern
Talladega, southeastern Calhoun and Cleburne Counties through 1145 AM
CST...

At 1103 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Pleasant Gap to Munford. Movement was east
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...
Anniston, Oxford, Piedmont, Heflin, Cobb Town, West End-Cobb Town,
Fort McClellan, Saks, Munford, Hobson City, Fruithurst, Edwardsville,
Anniston Regional Airport, Blue Mountain, Grant Town, Muscadine,
Abernathy, Oxford Lake, Bynum and Mars Hills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3349 8551 3350 8576 3348 8578 3348 8587
      3349 8585 3350 8585 3350 8590 3348 8591
      3348 8613 3395 8553 3394 8550 3396 8549
      3396 8540 3362 8533
TIME...MOT...LOC 1703Z 271DEG 31KT 3397 8543 3354 8598

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

15
Special weather statement, Dec 11, 11:10 AM CST, 23 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1110 AM CST Sat Dec 11 2021

ALZ046-049-111745-
Pike AL-Bullock AL-
1110 AM CST Sat Dec 11 2021

...A strong thunderstorm will impact portions of west central Bullock
County through 1145 AM CST...

At 1109 AM CST, Doppler radar was tracking a strong thunderstorm near
Pine Level, or 9 miles east of Meadville, moving northeast at 30 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...
High Ridge and China Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3207 8600 3216 8579 3206 8569 3199 8600
TIME...MOT...LOC 1709Z 246DEG 28KT 3203 8598

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

89^GSatterwhite
Local storm report, Dec 11, 11:20 AM CST, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1120 AM CST SAT DEC 11 2021

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

1017 AM     TSTM WND DMG     1 NW TENNALA            34.10N 85.68W
12/11/2021                   CHEROKEE           AL   EMERGENCY MNGR

            TREE IN ROAD. WIND ESTIMATED 35 MPH.

&&

JD
Special weather statement, Dec 11, 11:33 AM CST, 0 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1133 AM CST Sat Dec 11 2021

ALZ049-111800-
Pike AL-
1133 AM CST Sat Dec 11 2021

...A strong thunderstorm will impact portions of northwestern Pike
County through NOON CST...

At 1133 AM CST, Doppler radar was tracking a strong thunderstorm over
Ansley, or 10 miles north of Goshen, moving northeast at 30 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...
Ansley and Orion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3184 8618 3187 8618 3189 8617 3192 8617
      3197 8601 3197 8599 3199 8594 3190 8590
TIME...MOT...LOC 1733Z 246DEG 28KT 3188 8616

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

89^GSatterwhite

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 6:01 AM CSTSpecial Weather StatementBMXLamar, Marion59 min
Dec 11, 7:05 AM CSTSpecial Weather StatementBMXFayette, Lamar, Marion, Walker, Winston55 min
Dec 11, 9:31 AM CSTSpecial Weather StatementBMXDeKalb44 min
Dec 11, 10:17 AM CSTSpecial Weather StatementBMXCalhoun, Cherokee43 min
Dec 11, 11:03 AM CSTSpecial Weather StatementBMXCleburne42 min
Dec 11, 11:10 AM CSTSpecial Weather StatementBMXBullock35 min
Dec 11, 1:56 PM CSTSpecial Weather StatementBMXBullock49 min
Dec 11, 2:14 PM CSTSpecial Weather StatementBMXLee, Russell46 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.