Alert archive / Alabama / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 141, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 8, 2019, 12:30 PM CDT for 4 counties in Alabama. It was in force for 24 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 8, 2019, 12:30 PM CDT (17:30 UTC)
- Expired
- Aug 8, 2019, 12:54 PM CDT
- In force
- 24 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Elmore County, AL, Lee County, AL, Macon County, AL, Tallapoosa County, AL
The radar
The Maxwell AFB radar (KMXX), 9 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, 5.5 hours before the alert went out and 115 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.
- Mixed-layer CAPE
- 354 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1332 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
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 8, 7:03 AM CDT, 5 hours 27 minutes earlier.
Area forecast discussion, Aug 8, 7:03 AM CDT, 5 hours 27 minutes before
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</html>Hazardous weather outlook, Aug 8, 9:19 AM CDT, 3 hours 11 minutes before
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Special weather statement, Aug 8, 12:17 PM CDT, 13 minutes before
Special Weather Statement National Weather Service Birmingham AL 1217 PM CDT Thu Aug 8 2019 ALZ037-043-081745- Tallapoosa AL-Elmore AL- 1217 PM CDT Thu Aug 8 2019 ...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL ELMORE AND SOUTH CENTRAL TALLAPOOSA COUNTIES UNTIL 1245 PM CDT... At 1217 PM CDT, Doppler radar was tracking a strong thunderstorm over Martin Dam, or 9 miles north of Tallassee, moving southeast at 15 mph. Wind gusts around 40 mph will be possible with this storm. Locations impacted include... Tallassee, Southern Lake Martin, Martin Dam, Reeltown, Yates Reservoir and Yates Dam. LAT...LON 3267 8603 3273 8588 3264 8571 3254 8591 TIME...MOT...LOC 1717Z 305DEG 11KT 3267 8588 89^GSatterwhite
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:50 PM CDT | Special Weather Statement | BMX | Walker | 40 min |
| Aug 7, 8:12 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Russell | 19 min |
| Aug 8, 3:53 AM CDT | Dense Fog Advisory | BMX | Blount, Calhoun, Cherokee, Etowah, Fayette, Jefferson and 5 more | 5 hr |
| Aug 8, 3:53 AM CDT | Heat Advisory | BMX | Autauga, Barbour, Bibb, Bullock, Chilton, Dallas and 20 more | 60 hr |
| Aug 8, 12:17 PM CDT | Special Weather Statement | BMX | Elmore | 28 min |
| Aug 8, 1:03 PM CDT | Special Weather Statement | BMX | Lee | 27 min |
| Aug 8, 1:21 PM CDT | Special Weather Statement | BMX | Lee | 54 min |
| Aug 8, 1:43 PM CDT | Special Weather Statement | BMX | Russell | 32 min |
| Aug 8, 1:52 PM CDT | Special Weather Statement | BMX | Greene | 38 min |
| Aug 8, 2:11 PM CDT | Special Weather Statement | BMX | Russell | 34 min |
| Aug 8, 2:23 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 37 min |
| Aug 8, 2:39 PM CDT | Special Weather Statement | BMX | Montgomery | 36 min |
| Aug 8, 2:55 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 50 min |
| Aug 8, 3:06 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Hale, Perry, Tuscaloosa | 39 min |
| Aug 8, 3:37 PM CDT | Special Weather Statement | BMX | Autauga | 23 min |
| Aug 8, 3:40 PM CDT | Special Weather Statement | BMX | Perry | 35 min |
| Aug 8, 4:23 PM CDT | Special Weather Statement | BMX | Dallas | 37 min |
| Aug 8, 5:04 PM CDT | Areal Flood Advisory | BMX | Dallas | 116 min |
| Aug 8, 5:06 PM CDT | Special Weather Statement | BMX | Lowndes | 39 min |
| Aug 8, 5:22 PM CDT | Special Weather Statement | BMX | Marengo | 38 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2019Every severe thunderstorm warning in 2019
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.