Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 408, NWS Birmingham, AL

August 11, 2023Jefferson County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 11, 2023, 3:47 AM CDT for Jefferson County, Alabama. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 11, 2023, 3:47 AM CDT (08:47 UTC)
Expired
Aug 11, 2023, 4:30 AM CDT
In force
43 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Jefferson County, AL

The radar

The Birmingham radar (KBMX), 44 km from the middle of the area, began a volume at 08:50 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 11, 3:41 AM CDT, 6 minutes earlier.

Area forecast discussion, Aug 11, 3:41 AM CDT, 6 minutes before
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Hazardous weather outlook, Aug 10, 5:48 PM CDT, 9 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
548 PM CDT Thu Aug 10 2023

ALZ011>015-017>050-120200-
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-
548 PM CDT Thu Aug 10 2023

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Outlook through Tonight.

There is a level 1 out of 5 risk of severe storms for much of
central Alabama from roughly 7 pm Thursday to 4 am Friday. Threats
include damaging winds and quarter size hail. Localized flooding
will also be possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a level 1 out of 5 risk of severe storms for the southern
half of central Alabama on Friday from Noon to 7 pm. Storms will
pose a threat of damaging wind gusts and quarter size hail. Localized
flooding may occur as well.

Heat indices will approach 105 degrees across southern portions of
Central Alabama through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
tonight and Friday.

In the hours before

Special weather statement, Aug 11, 1:22 AM CDT, 2 hours 25 minutes before
Special Weather Statement
National Weather Service Birmingham AL
122 AM CDT Fri Aug 11 2023

ALZ011>013-015-110700-
Fayette AL-Walker AL-Marion AL-Lamar AL-
122 AM CDT Fri Aug 11 2023

...Strong thunderstorms will impact portions of northwestern Walker,
southeastern Marion, northwestern Fayette and central Lamar Counties
through 200 AM CDT...

At 122 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Eldridge to near Bedford. Movement was
east at 20 mph.

HAZARD...Winds 35 to 40 mph are possible.

SOURCE...Radar indicated.

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

Locations impacted include...
Winfield, Carbon Hill, Vernon, Sulligent, Guin, Brilliant, Glen
Allen, Kansas, Nauvoo, Beaverton, Gu-
Win, Eldridge, Blooming Grove, Lamar County Airport, Bedford, Bluff,
Tucker, Bazemore, Wayside and Lamar County Public Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3387 8823 3401 8764 3400 8753 3399 8721
      3370 8819 3375 8825
TIME...MOT...LOC 0622Z 281DEG 16KT 3400 8764 3385 8823

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

75 Linhares
Special weather statement, Aug 11, 2:09 AM CDT, 1 hour 38 minutes before
Special Weather Statement
National Weather Service Birmingham AL
209 AM CDT Fri Aug 11 2023

ALZ013>015-017-024-110745-
Fayette AL-Walker AL-Winston AL-Jefferson AL-Blount AL-
209 AM CDT Fri Aug 11 2023

...Strong thunderstorms will impact portions of Walker, southern
Blount, north central Jefferson, southeastern Winston and central
Fayette Counties through 245 AM CDT...

At 208 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Smith Dam to Fayette. 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...
Jasper, Oneonta, Fayette, Sumiton, Cordova, Dora, Carbon Hill,
Cleveland, Arley, Dallas, Warrior, Kimberly, Locust Fork, Berry,
Parrish, Oakman, Trafford, Allgood, Fairview and Hayden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3412 8711 3399 8711 3399 8715 3392 8708
      3390 8710 3389 8701 3386 8699 3387 8693
      3391 8692 3394 8688 3395 8679 3406 8670
      3401 8633 3396 8635 3357 8732 3360 8737
      3360 8747 3371 8795 3377 8795 3412 8714
TIME...MOT...LOC 0708Z 279DEG 28KT 3397 8702 3369 8782

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

86/Martin
Special weather statement, Aug 11, 2:47 AM CDT, 1 hour before
Special Weather Statement
National Weather Service Birmingham AL
247 AM CDT Fri Aug 11 2023

ALZ015-024-110830-
Walker AL-Jefferson AL-
247 AM CDT Fri Aug 11 2023

...A strong thunderstorm will impact portions of northeastern Walker
and north central Jefferson Counties through 330 AM CDT...

At 247 AM CDT, Doppler radar was tracking a strong thunderstorm over
Cordova, moving east at 25 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Jasper, Sumiton, Cordova, Dora, Adamsville, Parrish, Sipsey, West
Jefferson, Rocky Hollow, Burnwell, Beloit, Quinton, Lynns Park,
Sayre, Barney, Empire, Miller Steam Plant, Boldo and Partridge
Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3387 8700 3386 8699 3386 8697 3384 8695
      3382 8695 3382 8693 3384 8688 3384 8687
      3360 8702 3375 8736 3390 8727
TIME...MOT...LOC 0747Z 291DEG 21KT 3377 8720

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

86/Martin
Special weather statement, Aug 11, 3:22 AM CDT, 25 minutes before
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Special weather statement, Aug 11, 3:31 AM CDT, 16 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 1:22 AM CDTSpecial Weather StatementBMXLamar38 min
Aug 11, 2:02 AM CDTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Walker, Winston118 min
Aug 11, 2:09 AM CDTSpecial Weather StatementBMXBlount, Fayette, Walker36 min
Aug 11, 2:38 AM CDTSevere Thunderstorm WarningBMXFayette, Tuscaloosa, Walker52 min
Aug 11, 2:47 AM CDTSpecial Weather StatementBMXWalker43 min
Aug 11, 3:13 AM CDTSevere Thunderstorm WarningBMXJefferson, Tuscaloosa, Walker47 min
Aug 11, 3:22 AM CDTSpecial Weather StatementBMXJefferson38 min
Aug 11, 3:31 AM CDTSpecial Weather StatementBMXBlount, Etowah44 min
Aug 11, 3:38 AM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair52 min
Aug 11, 3:52 AM CDTAreal Flood AdvisoryBMXBlount, Jefferson, Walker3 hr
Aug 11, 3:58 AM CDTHeat AdvisoryBMXAutauga, Barbour, Bibb, Bullock, Chilton, Coosa and 24 more17 hr
Aug 11, 4:11 AM CDTSpecial Weather StatementBMXShelby49 min
Aug 11, 4:24 AM CDTSpecial Weather StatementBMXSt. Clair36 min
Aug 11, 4:37 AM CDTSpecial Weather StatementBMXEtowah38 min
Aug 11, 4:51 AM CDTSpecial Weather StatementBMXTalladega39 min
Aug 11, 5:10 AM CDTSpecial Weather StatementBMXShelby35 min
Aug 11, 5:28 AM CDTSpecial Weather StatementBMXCleburne32 min
Aug 11, 5:41 AM CDTSpecial Weather StatementBMXTalladega34 min
Aug 11, 6:01 AM CDTSpecial Weather StatementBMXRandolph44 min
Aug 11, 6:14 AM CDTSpecial Weather StatementBMXClay, Talladega46 min
Aug 11, 6:37 AM CDTSevere Thunderstorm WarningBMXTallapoosa38 min
Aug 11, 6:48 AM CDTSpecial Weather StatementBMXChambers42 min
Aug 11, 7:16 AM CDTSpecial Weather StatementBMXChambers44 min
Aug 11, 9:27 AM CDTSpecial Weather StatementBMXTallapoosa33 min
Aug 11, 9:49 AM CDTSpecial Weather StatementBMXChambers41 min
Aug 11, 12:10 PM CDTExcessive Heat WarningBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more3 days
Aug 11, 12:10 PM CDTHeat AdvisoryBMXBlount, Calhoun, Chambers, Cherokee, Clay, Cleburne and 8 more62 hr
Aug 11, 12:46 PM CDTSpecial Weather StatementBMXLee59 min
Aug 11, 12:49 PM CDTSevere Thunderstorm WarningBMXLee56 min
Aug 11, 1:09 PM CDTSpecial Weather StatementBMXCoosa66 min
Aug 11, 1:38 PM CDTSpecial Weather StatementBMXRussell52 min
Aug 11, 1:42 PM CDTSevere Thunderstorm WarningBMXLee, Russell48 min
Aug 11, 1:49 PM CDTSevere Thunderstorm WarningBMXChambers, Coosa, Tallapoosa56 min
Aug 11, 2:12 PM CDTSevere Thunderstorm WarningBMXElmore, Lee, Macon, Tallapoosa78 min
Aug 11, 2:23 PM CDTSevere Thunderstorm WarningBMXRussell52 min
Aug 11, 2:37 PM CDTAreal Flood AdvisoryBMXLee3 hr
Aug 11, 2:51 PM CDTSevere Thunderstorm WarningBMXBullock, Lee, Macon, Russell57 min
Aug 11, 3:25 PM CDTSevere Thunderstorm WarningBMXBarbour, Bullock, Russell32 min
Aug 11, 3:33 PM CDTSpecial Weather StatementBMXElmore42 min
Aug 11, 3:47 PM CDTSpecial Weather StatementBMXMacon28 min
Aug 11, 4:03 PM CDTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery42 min
Aug 11, 4:19 PM CDTSpecial Weather StatementBMXElmore26 min
Aug 11, 4:40 PM CDTSpecial Weather StatementBMXBullock, Montgomery, Pike50 min
Aug 11, 4:47 PM CDTSpecial Weather StatementBMXElmore43 min
Aug 11, 5:06 PM CDTSevere Thunderstorm WarningBMXCoosa12 min
Aug 11, 5:33 PM CDTSpecial Weather StatementBMXMontgomery42 min
Aug 11, 5:36 PM CDTAreal Flood AdvisoryBMXElmore3 hr
Aug 11, 5:53 PM CDTSpecial Weather StatementBMXWalker37 min
Aug 11, 5:57 PM CDTSpecial Weather StatementBMXMontgomery48 min
Aug 11, 6:29 PM CDTSpecial Weather StatementBMXClay46 min
Aug 11, 6:38 PM CDTSpecial Weather StatementBMXAutauga, Chilton, Lowndes37 min
Aug 11, 6:52 PM CDTSpecial Weather StatementBMXJefferson38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.