Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Jul 22, 2021, 8:13 PM CDT for Macon County, Alabama. It was in force for 47 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 22, 2021, 8:13 PM CDT (01:13 UTC)
- Expired
- Jul 22, 2021, 9:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Birmingham, AL
County Macon County, AL
The radar
The Maxwell AFB radar (KMXX), 5 km from the middle of the area, began a volume at 01:12 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, 1.2 hours before the alert went out and 119 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
- 1238 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
206
WWUS84 KBMX 230113
SPSBMX
Special Weather Statement
National Weather Service Birmingham AL
813 PM CDT Thu Jul 22 2021
ALZ037-043-045-230200-
Tallapoosa AL-Macon AL-Elmore AL-
813 PM CDT Thu Jul 22 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ELMORE...NORTH
CENTRAL MACON AND SOUTHWESTERN TALLAPOOSA COUNTIES UNTIL 900 PM
CDT...
At 813 PM CDT, Doppler radar was tracking a strong thunderstorm over
Kent, or 7 miles northwest of Tallassee, moving southeast at 10 mph.
Wind gusts around 40 mph will be possible with this storm.
Locations impacted include...
Tuskegee, Tallassee, Notasulga, Eclectic, Franklin, Martin Dam,
Liberty City, Reeves Airport, Tallapoosa City, Southern Lake Martin,
Western Lake Martin, Yates Dam, Uphapee Creek, Reeltown and Yates
Reservoir.
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 3239 8576 3259 8608 3276 8593 3260 8569
3258 8569 3258 8566 3257 8566 3255 8561
3254 8560
TIME...MOT...LOC 0113Z 306DEG 10KT 3262 8596
$$
89^GSatterwhiteThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:48 PM CDT | Areal Flood Advisory | BMX | Elmore, Tallapoosa | 3 hr |
| Jul 23, 2:21 PM CDT | Special Weather Statement | BMX | Elmore | 24 min |
| Jul 23, 2:55 PM CDT | Special Weather Statement | BMX | Macon | 35 min |
| Jul 23, 4:52 PM CDT | Areal Flood Advisory | BMX | Jefferson, Shelby | 3 hr |
| Jul 23, 5:09 PM CDT | Special Weather Statement | BMX | Fayette | 36 min |
| Jul 23, 5:46 PM CDT | Areal Flood Advisory | BMX | Fayette | 119 min |
| Jul 23, 6:32 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 118 min |
| Jul 23, 6:39 PM CDT | Flash Flood Warning | BMX | Tuscaloosa | 2 hr |
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.