Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Jul 15, 2021, 7:21 PM CDT for Lowndes 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 outline as issued.
The facts
- Issued
- Jul 15, 2021, 7:21 PM CDT (00:21 UTC)
- Expired
- Jul 15, 2021, 8:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Birmingham, AL
County Lowndes County, AL
The radar
The Maxwell AFB radar (KMXX), 102 km from the middle of the area, began a volume at 00:22 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 00:00Z, 0.4 hours before the alert went out and 116 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
- 1139 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1445 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
108
WWUS84 KBMX 160021
SPSBMX
Special Weather Statement
National Weather Service Birmingham AL
721 PM CDT Thu Jul 15 2021
ALZ040-042-160100-
Lowndes AL-Dallas AL-
721 PM CDT Thu Jul 15 2021
...SIGNIFICANT WEATHER ADVISORY FOR LOWNDES AND SOUTHEASTERN DALLAS
COUNTIES UNTIL 800 PM CDT...
At 721 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Gordonville, or 11 miles southwest of Mosses,
moving northwest at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Fort Deposit, Mosses, Hayneville, White Hall, Gordonville,
Lowndesboro, Lowndes County Airport, Belknap, Beechwood, Dallas Lake,
Logan, Dannelly Reservoir, Calhoun, Tilden, Carlowville, Letohatchee,
Minter, Mount Willing, Collirene and Clover Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3205 8686 3205 8714 3226 8722 3233 8648
3229 8649 3227 8648 3197 8647 3196 8686
TIME...MOT...LOC 0021Z 144DEG 10KT 3207 8682
$$
25/OwenThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:29 PM CDT | Special Weather Statement | BMX | Jefferson | 31 min |
| Jul 15, 8:00 PM CDT | Special Weather Statement | BMX | Jefferson | 45 min |
| Jul 15, 8:09 PM CDT | Flash Flood Warning | BMX | Jefferson | 2 hr |
| Jul 15, 8:28 PM CDT | Special Weather Statement | BMX | Jefferson | 47 min |
| Jul 15, 9:41 PM CDT | Special Weather Statement | BMX | Marengo | 34 min |
| Jul 15, 10:10 PM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| Jul 16, 4:55 PM CDT | Special Weather Statement | BMX | Coosa | 50 min |
| Jul 16, 4:56 PM CDT | Special Weather Statement | BMX | Autauga | 49 min |
| Jul 16, 5:18 PM CDT | Special Weather Statement | BMX | Shelby | 27 min |
Nearby
Special Weather Statements in Alabama, 2021Every special weather statement in 2021
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.