Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 114, NWS Birmingham, AL

May 9, 2023Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 9, 2023, 12:17 PM CDT for Talladega 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
May 9, 2023, 12:17 PM CDT (17:17 UTC)
Expired
May 9, 2023, 1:00 PM CDT
In force
43 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Talladega County, AL

The radar

The Birmingham radar (KBMX), 61 km from the middle of the area, began a volume at 17:19 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, 5.3 hours before the alert went out and 155 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 2023-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 897 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 2023-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
897 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 May 9, 6:45 AM CDT, 5 hours 32 minutes earlier.

Area forecast discussion, May 9, 6:45 AM CDT, 5 hours 32 minutes before
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Hazardous weather outlook, May 9, 3:12 AM CDT, 9 hours 5 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
312 AM CDT Tue May 9 2023

ALZ011>015-017>050-101115-
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-
312 AM CDT Tue May 9 2023

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.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management is not
expected at this time.

In the hours before

Special weather statement, May 9, 11:42 AM CDT, 35 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1142 AM CDT Tue May 9 2023

ALZ019-026-027-091715-
Calhoun AL-Talladega AL-St. Clair AL-
1142 AM CDT Tue May 9 2023

...A strong thunderstorm will impact portions of north central
Talladega, west central Calhoun and east central St. Clair Counties
through 1215 PM CDT...

At 1142 AM CDT, Doppler radar was tracking a strong thunderstorm over
Ragland, or 12 miles northeast of Pell City, moving southeast at 10
mph.

HAZARD...Winds in excess of 40 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...
Lincoln, Riverside, Ragland, Honda Manufacturing Of Alabama and Logan
Martin Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3373 8623 3377 8612 3367 8598 3361 8608
      3359 8622
TIME...MOT...LOC 1642Z 330DEG 11KT 3371 8614

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

40/Sizemore
Local storm report, May 9, 12:06 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1206 PM CDT TUE MAY 9 2023

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

1140 AM     HAIL             2 SW RAGLAND            33.73N 86.15W
05/09/2023  M0.70 INCH       ST. CLAIR          AL   PUBLIC

            RELAYED THROUGH SOCIAL MEDIA.

&&

AS
Special weather statement, May 9, 12:13 PM CDT, 4 minutes before
Special Weather Statement
National Weather Service Birmingham AL
1213 PM CDT Tue May 9 2023

ALZ026-027-091745-
Talladega AL-St. Clair AL-
1213 PM CDT Tue May 9 2023

...A strong thunderstorm will impact portions of northeastern
Talladega and south central St. Clair Counties through 1245 PM CDT...

At 1213 PM CDT, Doppler radar was tracking a strong thunderstorm over
Honda Manufacturing Of Alabama, or 8 miles east of Pell City, moving
southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and penny 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...
Pell City, Lincoln, Riverside, Munford, Grant Town, Logan Martin
Lake, Talladega Superspeedway, Honda Manufacturing Of Alabama,
Talladega Municipal Airport, Eastaboga, Jackson Shoals, Jenifer and
Howells Cove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

If on or near Logan Martin Lake, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3362 8602 3360 8602 3360 8600 3359 8599
      3359 8598 3354 8592 3349 8605 3349 8625
      3365 8623 3368 8610 3368 8609
TIME...MOT...LOC 1713Z 333DEG 11KT 3361 8613

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

40/Sizemore

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 11:42 AM CDTSpecial Weather StatementBMXSt. Clair33 min
May 9, 12:13 PM CDTSpecial Weather StatementBMXTalladega32 min
May 9, 12:57 PM CDTSevere Thunderstorm WarningBMXTalladega29 min
May 9, 1:01 PM CDTSpecial Weather StatementBMXRandolph44 min
May 9, 1:26 PM CDTSpecial Weather StatementBMXTalladega34 min
May 9, 1:39 PM CDTSpecial Weather StatementBMXRandolph36 min
May 9, 1:54 PM CDTSpecial Weather StatementBMXTalladega36 min
May 9, 2:20 PM CDTSevere Thunderstorm WarningBMXCoosa, Tallapoosa40 min
May 9, 2:23 PM CDTSpecial Weather StatementBMXChambers52 min
May 9, 2:41 PM CDTSpecial Weather StatementBMXCoosa34 min
May 9, 2:50 PM CDTSevere Thunderstorm WarningBMXCoosa, Elmore, Tallapoosa40 min
May 9, 2:53 PM CDTSpecial Weather StatementBMXElmore52 min
May 9, 3:29 PM CDTSpecial Weather StatementBMXElmore, Lee, Macon46 min
May 9, 4:10 PM CDTSpecial Weather StatementBMXBullock, Lee, Macon, Montgomery, Russell65 min
May 9, 4:24 PM CDTSevere Thunderstorm WarningBMXMacon36 min
May 9, 5:06 PM CDTSpecial Weather StatementBMXBarbour39 min
May 9, 5:42 PM CDTSpecial Weather StatementBMXBarbour, Pike33 min
May 9, 6:27 PM CDTSpecial Weather StatementBMXBibb48 min
May 9, 6:46 PM CDTSpecial Weather StatementBMXBibb29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.