Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Aug 2, 2021, 2:56 PM CDT for Montgomery County, Alabama. It was in force for 34 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
- Aug 2, 2021, 2:56 PM CDT (19:56 UTC)
- Expired
- Aug 2, 2021, 3:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
County Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 61 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 100 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
- 211 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 936 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
991
WWUS84 KBMX 021956
SPSBMX
Special Weather Statement
National Weather Service Birmingham AL
256 PM CDT Mon Aug 2 2021
ALZ044-022030-
Montgomery AL-
256 PM CDT Mon Aug 2 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MONTGOMERY COUNTY
UNTIL 330 PM CDT...
At 255 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Hunter to near Dannelly Field to near
Pintlala. Movement was east at 20 mph.
Pea size hail and wind gusts up to 50 mph will be possible with these
storms.
Locations impacted include...
Montgomery, Hunter, Montgomery Zoo, Boylston, Hyundai Motors Of
Alabama, Alabama State University, Hope Hull, Woodcrest, Dannelly
Field, Maxwell Air Force Base, Snowdoun, Montgomery Riverwalk
Stadium, Pinedale, Lagoon Park, Gunter Air Force Base and Alabama
State Capitol.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3224 8641 3227 8645 3227 8648 3229 8649
3233 8647 3234 8648 3238 8646 3241 8646
3240 8643 3241 8640 3243 8640 3243 8634
3241 8631 3244 8631 3244 8622 3221 8619
3217 8641
TIME...MOT...LOC 1955Z 268DEG 16KT 3242 8643 3232 8645 3222 8641
$$
JD/02The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:47 PM CDT | Special Weather Statement | BMX | Marengo | 43 min |
| Aug 1, 9:11 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 49 min |
| Aug 1, 9:25 PM CDT | Special Weather Statement | BMX | Dallas | 50 min |
| Aug 1, 9:31 PM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| Aug 1, 10:02 PM CDT | Special Weather Statement | BMX | Marengo | 43 min |
| Aug 1, 11:08 PM CDT | Special Weather Statement | BMX | Sumter | 52 min |
| Aug 2, 12:24 AM CDT | Special Weather Statement | BMX | Hale | 51 min |
| Aug 2, 1:15 AM CDT | Special Weather Statement | BMX | Montgomery | 30 min |
| Aug 2, 11:37 AM CDT | Special Weather Statement | BMX | Marengo | 38 min |
| Aug 2, 1:52 PM CDT | Special Weather Statement | BMX | Bullock | 38 min |
| Aug 2, 3:13 PM CDT | Special Weather Statement | BMX | Montgomery | 32 min |
| Aug 2, 3:29 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Macon, Montgomery | 25 min |
| Aug 2, 4:18 PM CDT | Special Weather Statement | BMX | Russell | 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.