Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Aug 10, 2021, 2:39 PM CDT for Chambers County, Alabama. It was in force for 36 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 10, 2021, 2:39 PM CDT (19:39 UTC)
- Expired
- Aug 10, 2021, 3:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Birmingham, AL
- Hail
- 0.00 in
- Wind
- 40
County Chambers County, AL
The radar
The Maxwell AFB radar (KMXX), 67 km from the middle of the area, began a volume at 19:40 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 89 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
- 1201 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
088
WWUS84 KBMX 101939
SPSBMX
Special Weather Statement
National Weather Service Birmingham AL
239 PM CDT Tue Aug 10 2021
ALZ038-102015-
Chambers AL-
239 PM CDT Tue Aug 10 2021
...Strong thunderstorms will impact portions of northern Chambers
County through 315 PM CDT...
At 239 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Standing Rock to Buffalo. These storms were
nearly stationary.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Stroud, Fredonia, Post Oak Forks, Veasey Creek Park, Standing Rock,
Welch, Penton, Buffalo and Stroud Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3292 8536 3300 8553 3311 8542 3311 8523
3300 8521
TIME...MOT...LOC 1939Z 152DEG 4KT 3310 8524 3297 8539
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
32/DavisThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 4:31 AM CDT | Heat Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 28 more | 38 hr |
| Aug 10, 1:21 PM CDT | Special Weather Statement | BMX | Lee | 24 min |
| Aug 10, 2:08 PM CDT | Special Weather Statement | BMX | Russell | 37 min |
| Aug 10, 2:40 PM CDT | Special Weather Statement | BMX | Macon | 35 min |
| Aug 10, 3:19 PM CDT | Special Weather Statement | BMX | Jefferson | 26 min |
| Aug 10, 3:30 PM CDT | Areal Flood Advisory | BMX | Jefferson | 2 hr |
| Aug 10, 3:47 PM CDT | Flash Flood Warning | BMX | Jefferson | 2 hr |
| Aug 10, 3:50 PM CDT | Special Weather Statement | BMX | Bullock | 40 min |
| Aug 10, 3:59 PM CDT | Special Weather Statement | BMX | Jefferson | 31 min |
| Aug 10, 4:19 PM CDT | Special Weather Statement | BMX | Blount | 26 min |
| Aug 10, 4:32 PM CDT | Special Weather Statement | BMX | Jefferson | 28 min |
| Aug 10, 4:35 PM CDT | Special Weather Statement | BMX | Pike | 40 min |
| Aug 10, 4:46 PM CDT | Special Weather Statement | BMX | Blount | 29 min |
| Aug 10, 5:23 PM CDT | Areal Flood Advisory | BMX | Montgomery | 98 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.