Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 261, NWS Birmingham, AL

July 2, 2023Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 2, 2023, 12:51 PM CDT for Marion County, Alabama. It was in force for 39 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
Jul 2, 2023, 12:51 PM CDT (17:51 UTC)
Expired
Jul 2, 2023, 1:30 PM CDT
In force
39 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Marion County, AL

The radar

The Columbus AFB radar (KGWX), 49 km from the middle of the area, began a volume at 17:51 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 2, 12:14 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.9 hours before the alert went out and 148 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 2023-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1738 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 2023-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.1939Sfc1 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
1738 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
83 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 Jul 2, 12:30 PM CDT, 21 minutes earlier.

Area forecast discussion, Jul 2, 12:30 PM CDT, 21 minutes before
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Hazardous weather outlook, Jul 2, 12:03 PM CDT, 48 minutes before
Hazardous Weather Outlook
National Weather Service Birmingham AL
1203 PM CDT Sun Jul 2 2023

ALZ011>015-017>050-032015-
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-
1203 PM CDT Sun Jul 2 2023

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

.DAY ONE...Outlook through Tonight.

Strong to severe thunderstorms are possible this afternoon and
evening through 10pm. The main concern will be damaging winds and
hail.

Hot and humid conditions are expected again today with heat indices
of 105 to near 110 possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hot and humid conditions are forecast to continue through midweek.
Heat index values during the afternoon are expected to reach or
exceed 105 degrees.

Severe storms are possible across all of Central Alabama during the
afternoon and evening hours on Monday and Tuesday. Threats include
damaging winds up to 60 mph and quarter size hail.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
today, Monday, and Tuesday.

In the hours before

Local storm report, Jul 2, 8:00 AM CDT, 4 hours 51 minutes before
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Local storm report, Jul 2, 8:39 AM CDT, 4 hours 12 minutes before
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Local storm report, Jul 2, 10:58 AM CDT, 1 hour 53 minutes before
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Special weather statement, Jul 2, 12:26 PM CDT, 25 minutes before
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Special weather statement, Jul 2, 12:44 PM CDT, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:19 PM CDTSpecial Weather StatementBMXHale41 min
Jul 2, 12:26 PM CDTSpecial Weather StatementBMXJefferson34 min
Jul 2, 12:44 PM CDTSpecial Weather StatementBMXMarion46 min
Jul 2, 1:26 PM CDTSpecial Weather StatementBMXTuscaloosa34 min
Jul 2, 1:28 PM CDTSpecial Weather StatementBMXFayette47 min
Jul 2, 1:32 PM CDTSpecial Weather StatementBMXSt. Clair43 min
Jul 2, 1:33 PM CDTSevere Thunderstorm WarningBMXTuscaloosa42 min
Jul 2, 1:37 PM CDTSevere Thunderstorm WarningBMXMarion, Winston24 min
Jul 2, 1:49 PM CDTSpecial Weather StatementBMXMarengo41 min
Jul 2, 1:49 PM CDTSevere Thunderstorm WarningBMXCalhoun, St. Clair, Talladega56 min
Jul 2, 2:00 PM CDTSpecial Weather StatementBMXWalker30 min
Jul 2, 2:02 PM CDTSpecial Weather StatementBMXFayette43 min
Jul 2, 2:13 PM CDTSevere Thunderstorm WarningBMXEtowah, St. Clair47 min
Jul 2, 2:17 PM CDTSpecial Weather StatementBMXJefferson43 min
Jul 2, 2:20 PM CDTAreal Flood AdvisoryBMXCalhoun, St. Clair, Talladega115 min
Jul 2, 2:21 PM CDTSpecial Weather StatementBMXTuscaloosa39 min
Jul 2, 2:39 PM CDTFlash Flood WarningBMXSt. Clair, Talladega3 hr
Jul 2, 2:44 PM CDTAreal Flood AdvisoryBMXEtowah115 min
Jul 2, 2:53 PM CDTSpecial Weather StatementBMXWalker52 min
Jul 2, 3:11 PM CDTSevere Thunderstorm WarningBMXJefferson, St. Clair, Shelby49 min
Jul 2, 3:14 PM CDTSpecial Weather StatementBMXCherokee31 min
Jul 2, 3:24 PM CDTSpecial Weather StatementBMXBlount36 min
Jul 2, 3:36 PM CDTSpecial Weather StatementBMXMarion39 min
Jul 2, 3:38 PM CDTSpecial Weather StatementBMXTalladega37 min
Jul 2, 3:40 PM CDTSpecial Weather StatementBMXPike50 min
Jul 2, 3:56 PM CDTSpecial Weather StatementBMXDallas, Marengo79 min
Jul 2, 3:56 PM CDTSevere Thunderstorm WarningBMXShelby, Talladega64 min
Jul 2, 3:59 PM CDTSpecial Weather StatementBMXCleburne46 min
Jul 2, 4:02 PM CDTSpecial Weather StatementBMXWinston43 min
Jul 2, 4:06 PM CDTSevere Thunderstorm WarningBMXClay, Cleburne, Randolph54 min
Jul 2, 4:20 PM CDTSpecial Weather StatementBMXBarbour, Bullock, Pike25 min
Jul 2, 4:25 PM CDTSpecial Weather StatementBMXCoosa50 min
Jul 2, 4:29 PM CDTSevere Thunderstorm WarningBMXClay, Coosa, Talladega31 min
Jul 2, 4:31 PM CDTSevere Thunderstorm WarningBMXRandolph59 min
Jul 2, 4:35 PM CDTSpecial Weather StatementBMXShelby25 min
Jul 2, 4:47 PM CDTSpecial Weather StatementBMXCoosa43 min
Jul 2, 4:48 PM CDTSpecial Weather StatementBMXBullock57 min
Jul 2, 5:01 PM CDTSpecial Weather StatementBMXTallapoosa44 min
Jul 2, 5:08 PM CDTSpecial Weather StatementBMXSumter37 min
Jul 2, 5:34 PM CDTSpecial Weather StatementBMXElmore41 min
Jul 2, 5:39 PM CDTSpecial Weather StatementBMXWalker36 min
Jul 2, 5:42 PM CDTSpecial Weather StatementBMXSumter48 min
Jul 2, 5:44 PM CDTSpecial Weather StatementBMXLowndes, Montgomery61 min
Jul 2, 5:48 PM CDTSpecial Weather StatementBMXLee, Russell42 min
Jul 2, 6:14 PM CDTSevere Thunderstorm WarningBMXMontgomery46 min
Jul 2, 6:20 PM CDTSpecial Weather StatementBMXChilton40 min
Jul 2, 6:31 PM CDTSevere Thunderstorm WarningBMXElmore44 min
Jul 2, 6:46 PM CDTSpecial Weather StatementBMXLee44 min
Jul 2, 6:53 PM CDTSevere Thunderstorm WarningBMXCoosa, Elmore, Tallapoosa38 min
Jul 2, 6:56 PM CDTSpecial Weather StatementBMXTuscaloosa49 min
Jul 2, 6:57 PM CDTSpecial Weather StatementBMXSumter48 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.