Isolated thunderstorms developed over the northwestern and central parts of Central Alabama during the afternoon of September 6th. One storm quickly developed over Walker County just after 3 pm, producing damage in the city of Jasper.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BMX wrote it up.
Isolated thunderstorms developed over the northwestern and central parts of Central Alabama during the afternoon of September 6th. One storm quickly developed over Walker County just after 3 pm, producing damage in the city of Jasper.
The local office's own words before the first event, 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 the first event at Sep 6, 1:11 PM CST, 1 hour 23 minutes earlier.
Area Forecast Discussion National Weather Service Birmingham AL 211 PM CDT Wed Sep 6 2023 ...New LONG TERM... .SHORT TERM... (This evening through Thursday) Issued at 1255 PM CDT WED SEP 6 2023 Aloft, a trough was moving east over the Ohio and Tennessee River Valley regions with more shortwaves to the west over the Central Plains and the Middle Mississippi River Valley Region. A surface cold front extended from Northern Wisconsin southwest across the Mid-Mississippi River Valley region and further west into West- Central Texas. There remains a slug of dry air aloft from around 750 to near 600 mb per the 06/12z BMX sounding. Though some moistening is occurring with time, sufficient dry air aloft remains to support a lower end moderate risk for wet microbursts across the western counties with the heavier activity this afternoon into the evening. This afternoon. The mid level trough axis will become centered just east of the state later this afternoon while more shortwaves will continue to ripple toward the area from the northwest. Chances for showers and some thunderstorms will be best across the far north and northwest later this afternoon through early evening. A few of the storms may be strong to severe with damaging winds and large hail the concern. This activity is expected to weaken with time as it moves further southeast, near and southeast of the Interstate 59 corridor this evening. Winds will be from the west at 5-10 mph. Highs will range from near 90 in the higher elevations east to the low to mid 90s west and south. Tonight. Mid-level ridging aloft will become centered over Southern New Mexico overnight while continued shortwave impulses will continue to dig southeast around the ridge periphery toward the area. A surface cold front will move further east, extending from Eastern Michigan southwest through the Mid-South Region and further west into West Texas. Some showers with a few thunderstorms will wane through the night with some lingering showers possible across the central and southern counties toward daybreak. Winds will remain from the west at 2-4 mph. Lows will range from the upper 60s far north to the low 70s south. Thursday. Another trough aloft will move over the area during the day on Thursday with the associated surface cold front advancing southeast, extending from Western New York State south into Northern Georgia and stretching west toward the ArkLaTex region. Partly cloudy skies are expected Thursday with improving conditions northwest during the afternoon. Chances for showers and some thunderstorms will be greatest across the southeast with lower chances across the central portion of the area. Winds will become out of the northwest at 6-12 mph. Highs will range from the mid 80s far north to the low to mid 90s far south. 05 && .LONG TERM... (Thursday night through next Tuesday) Issued at 155 PM CDT WED SEP 6 2023 A dry period Friday through early next week. An upper trof will form over the eastern United States by Friday and pull drier air southward across Central Alabama. The drier air mass will stay in place through Monday. Lower humidity levels this weekend will result in cooler morning temperatures. A more zonal upper flow pattern will develop by Tuesday as an upstream trof tracks southeast across the Upper Midwest states. This will produce more favorable conditions for thunderstorms by Tuesday. 58/rose && .AVIATION... (18Z TAFS) Issued at 1232 PM CDT WED SEP 6 2023 Clouds will be on the increase from the northwest through the afternoon with isolated showers and some thunderstorm activity with best chances to the northwest of the northern terminals but sufficient potential exists to include at least VCSH for smaller time spans across the northern sites. At least scattered clouds will linger overnight though any convection should wane later tonight. Small chances for showers will exist across the central central and southern areas overnight through Thursday morning, but potential is too low to include at MGM/TOI for this issuance. 05 && .FIRE WEATHER... Limited rain chances through Thursday. A cool front will push southward through Alabama on Thursday, but limited moisture ahead of the front will hinder convective development. Minimum relative humidity values on Thursday will be 45 to 55 percent. Light 20 foot winds tonight will become northwest 4-6 mph on Thursday. && .PRELIMINARY POINT TEMPS/POPS... Gadsden 67 88 61 86 / 30 10 10 0 Anniston 68 89 61 87 / 30 20 10 0 Birmingham 70 88 64 86 / 30 10 10 0 Tuscaloosa 70 92 65 89 / 40 10 10 0 Calera 69 90 65 88 / 30 20 10 0 Auburn 70 91 66 88 / 20 30 20 0 Montgomery 71 94 67 91 / 20 30 20 0 Troy 71 93 69 91 / 10 40 20 10 && .BMX WATCHES/WARNINGS/ADVISORIES... None. && SHORT TERM...05 LONG TERM....58/rose AVIATION...05
Hazardous Weather Outlook National Weather Service Birmingham AL 305 PM CDT Wed Sep 6 2023 ALZ011>015-017>050-072315- 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- 305 PM CDT Wed Sep 6 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 marginal risk of severe storms late this afternoon and early evening, mainly across the northwest counties. The main threats will be damaging straight line winds and large hail. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management may be needed this afternoon and evening.
The Birmingham radar (KBMX), 87 km away, was scanning. The volume nearest the first event began at 20:35 UTC.
1 thunderstorm wind. Local standard time, as filed.
Numerous trees were uprooted, and power lines and poles were downed in the city of Jasper.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2023Every state in 2023This day in weather historyWarnings in Alabama, September 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1134747.