Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 66, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 24, 2021, 4:35 PM CDT for Elmore County, Montgomery County, Alabama. It was in force for 36 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 24, 2021, 4:35 PM CDT (21:35 UTC)
- Expired
- Apr 24, 2021, 5:11 PM CDT
- In force
- 36 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Elmore County, AL, Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 23 km from the middle of the area, began a volume at 21:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 4:36 PM CDT | HAIL 0.25 | 2 Nw Millbrook, AL | |
| Apr 24, 4:47 PM CDT | TSTM WND DMG | 1 E Wetumpka, AL | A FEW TREES WERE BLOWN DOWN NEAR WETUMPKA. |
| Apr 24, 4:47 PM CDT | HAIL 1 | Wetumpka, AL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 24, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.6 hours before the alert went out and 106 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 855 m²/s²
- 0-3 km storm-relative helicity
- 1103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
568
WUUS54 KBMX 242135
SVRBMX
ALC051-101-242230-
/O.NEW.KBMX.SV.W.0066.210424T2135Z-210424T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
435 PM CDT Sat Apr 24 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Southern Elmore County in east central Alabama...
North central Montgomery County in south central Alabama...
* Until 530 PM CDT.
* At 435 PM CDT, a severe thunderstorm was located over Millbrook,
moving east at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Northern Montgomery, Prattville, Millbrook, Wetumpka, Tallassee,
Elmore, Coosada, Deatsville, Montgomery Zoo, Boylston, Bob Woodruff
Lake, Emerald Mountain, Blue Ridge, Claud, Wetumpka Municipal
Airport, Wallsboro, Ware, Speigner, Tallapoosa Water Plant and
Yates Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3242 8641 3258 8641 3262 8589 3250 8589
3248 8588 3248 8585 3247 8587 3245 8589
3245 8593 3244 8596 3245 8598 3245 8599
3243 8599 3242 8602 3241 8602
TIME...MOT...LOC 2135Z 268DEG 38KT 3249 8636
HAIL...1.75IN
WIND...60MPH
$$
32/Davis3 follow-up statements
067
WWUS54 KBMX 242150
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
450 PM CDT Sat Apr 24 2021
ALC101-242200-
/O.CAN.KBMX.SV.W.0066.000000T0000Z-210424T2230Z/
Montgomery AL-
450 PM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MONTGOMERY
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central, southeastern and east central Alabama.
LAT...LON 3247 8587 3245 8589 3246 8593 3247 8622
3260 8620 3262 8589 3250 8589 3248 8588
3248 8585
TIME...MOT...LOC 2150Z 268DEG 38KT 3250 8617
$$
ALC051-242230-
/O.CON.KBMX.SV.W.0066.000000T0000Z-210424T2230Z/
Elmore AL-
450 PM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN ELMORE COUNTY...
At 450 PM CDT, a severe thunderstorm was located over Blue Ridge, or
near Wetumpka, moving east at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Wetumpka, Tallassee, Blue Ridge, Claud, Yates Reservoir and Yates
Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3247 8587 3245 8589 3246 8593 3247 8622
3260 8620 3262 8589 3250 8589 3248 8588
3248 8585
TIME...MOT...LOC 2150Z 268DEG 38KT 3250 8617
HAIL...1.75IN
WIND...60MPH
$$
32/Davis502
WWUS54 KBMX 242204
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
504 PM CDT Sat Apr 24 2021
ALC051-242230-
/O.CON.KBMX.SV.W.0066.000000T0000Z-210424T2230Z/
Elmore AL-
504 PM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EAST CENTRAL ELMORE COUNTY...
At 504 PM CDT, a severe thunderstorm was located near Tallassee,
moving east at 45 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Tallassee, Yates Reservoir and Yates Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3249 8602 3261 8598 3262 8589 3250 8589
TIME...MOT...LOC 2204Z 268DEG 38KT 3251 8599
HAIL...1.25IN
WIND...60MPH
$$
32/Davis281
WWUS54 KBMX 242211
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
511 PM CDT Sat Apr 24 2021
ALC051-242221-
/O.CAN.KBMX.SV.W.0066.000000T0000Z-210424T2230Z/
Elmore AL-
511 PM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ELMORE COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Alabama. A Severe Thunderstorm Watch also remains in
effect until 900 PM CDT for east central Alabama.
LAT...LON 3249 8602 3261 8598 3262 8589 3250 8589
TIME...MOT...LOC 2210Z 268DEG 38KT 3251 8589
$$
32/DavisThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 4:37 AM CDT | Special Weather Statement | BMX | Lowndes | 68 min |
| Apr 24, 5:40 AM CDT | Special Weather Statement | BMX | Lowndes | 65 min |
| Apr 24, 6:24 AM CDT | Special Weather Statement | BMX | Montgomery | 36 min |
| Apr 24, 6:26 AM CDT | Special Weather Statement | BMX | Pike | 49 min |
| Apr 24, 7:05 AM CDT | Special Weather Statement | BMX | Barbour, Bullock, Lee, Macon, Russell | 55 min |
| Apr 24, 8:04 AM CDT | Special Weather Statement | BMX | Sumter | 26 min |
| Apr 24, 8:25 AM CDT | Special Weather Statement | BMX | Hale | 35 min |
| Apr 24, 8:55 AM CDT | Special Weather Statement | BMX | Perry | 35 min |
| Apr 24, 9:02 AM CDT | Special Weather Statement | BMX | Marengo | 28 min |
| Apr 24, 9:46 AM CDT | Special Weather Statement | BMX | Dallas | 29 min |
| Apr 24, 10:33 AM CDT | Special Weather Statement | BMX | Lowndes, Montgomery | 42 min |
| Apr 24, 11:05 AM CDT | Special Weather Statement | BMX | Macon | 40 min |
| Apr 24, 3:11 PM CDT | Special Weather Statement | BMX | Perry | 34 min |
| Apr 24, 3:22 PM CDT | Special Weather Statement | BMX | Montgomery | 38 min |
| Apr 24, 3:26 PM CDT | Special Weather Statement | BMX | Fayette | 34 min |
| Apr 24, 3:27 PM CDT | Special Weather Statement | BMX | Winston | 33 min |
| Apr 24, 3:28 PM CDT | Severe Thunderstorm Warning | BMX | Macon, Montgomery | 32 min |
| Apr 24, 3:31 PM CDT | Special Weather Statement | BMX | Clay | 29 min |
| Apr 24, 3:35 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Marion, Walker, Winston | 40 min |
| Apr 24, 3:44 PM CDT | Severe Thunderstorm Warning | BMX | Macon, Tallapoosa | 31 min |
| Apr 24, 3:58 PM CDT | Severe Thunderstorm Warning | BMX | Lee | 35 min |
| Apr 24, 4:00 PM CDT | Special Weather Statement | BMX | Winston | 15 min |
| Apr 24, 4:01 PM CDT | Special Weather Statement | BMX | Randolph | 44 min |
| Apr 24, 4:03 PM CDT | Special Weather Statement | BMX | Autauga | 42 min |
| Apr 24, 4:14 PM CDT | Special Weather Statement | BMX | Walker | 46 min |
| Apr 24, 4:14 PM CDT | Severe Thunderstorm Warning | BMX | Chambers | 33 min |
| Apr 24, 4:18 PM CDT | Special Weather Statement | BMX | Lowndes | 42 min |
| Apr 24, 4:22 PM CDT | Special Weather Statement | BMX | Russell | 23 min |
| Apr 24, 4:29 PM CDT | Special Weather Statement | BMX | Blount, Tuscaloosa | 61 min |
| Apr 24, 4:31 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Walker | 29 min |
| Apr 24, 4:35 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson | 25 min |
| Apr 24, 4:52 PM CDT | Special Weather Statement | BMX | Chambers, Randolph, Tallapoosa | 38 min |
| Apr 24, 4:55 PM CDT | Severe Thunderstorm Warning | BMX | Lee, Macon, Tallapoosa | 38 min |
| Apr 24, 4:58 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair | 32 min |
| Apr 24, 5:02 PM CDT | Severe Thunderstorm Warning | BMX | Blount, St. Clair | 28 min |
| Apr 24, 5:17 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Etowah, St. Clair | 43 min |
| Apr 24, 5:23 PM CDT | Severe Thunderstorm Warning | BMX | Pike | 52 min |
| Apr 24, 5:25 PM CDT | Special Weather Statement | BMX | Bibb, St. Clair, Shelby | 35 min |
| Apr 24, 5:37 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Shelby, Talladega | 23 min |
| Apr 24, 5:40 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, St. Clair, Shelby, Talladega | 35 min |
| Apr 24, 5:43 PM CDT | Severe Thunderstorm Warning | BMX | Barbour, Bullock | 47 min |
| Apr 24, 5:44 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 31 min |
| Apr 24, 5:52 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne, Etowah | 37 min |
| Apr 24, 5:58 PM CDT | Special Weather Statement | BMX | Shelby | 32 min |
| Apr 24, 6:09 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Clay, Cleburne, Shelby, Talladega | 51 min |
| Apr 24, 6:12 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 18 min |
| Apr 24, 6:22 PM CDT | Severe Thunderstorm Warning | BMX | Barbour, Pike | 38 min |
| Apr 24, 6:28 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 32 min |
| Apr 24, 6:37 PM CDT | Special Weather Statement | BMX | Clay, Randolph | 38 min |
| Apr 24, 6:48 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Clay, Randolph, Tallapoosa | 57 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.