Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 105, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 4, 2021, 6:07 PM CDT for Montgomery County, Alabama. It was in force for 68 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
- May 4, 2021, 6:07 PM CDT (23:07 UTC)
- Expired
- May 4, 2021, 7:15 PM CDT
- In force
- 68 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 51 km from the middle of the area, began a volume at 23:10 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 |
|---|---|---|---|
| May 4, 6:34 PM CDT | TSTM WND DMG | 1 Nnw Snowdoun, AL | TREES DOWN AT VARIOUS LOCATIONS ACROSS THE COUNTY. SOME TREES FELL ONTO STRUCTURES. |
| May 4, 6:35 PM CDT | TSTM WND GST 58 | Dannelly Field, AL | 58 MPH MEASURED GUST. |
| May 4, 6:50 PM CDT | TSTM WND DMG | 4 Sse Brachias, AL | POWER OUT, TREES DOWN AND FENCING BLOWN OVER IN ROLLING HILLS AREA IN PIKE ROAD. |
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 |
|---|---|---|---|
| May 4, 3:31 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 112 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
- 2158 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 7.3
The text
As transmitted.
519
WUUS54 KBMX 042307
SVRBMX
ALC101-050015-
/O.NEW.KBMX.SV.W.0105.210504T2307Z-210505T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
607 PM CDT Tue May 4 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Montgomery County in south central Alabama...
* Until 715 PM CDT.
* At 607 PM CDT, severe thunderstorms were located along a line
extending from Booth to 11 miles northeast of Pine Apple, moving
east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Montgomery, Meadville, Pike Road, Coosada, Pine Level, Montgomery
Zoo, Boylston, Hyundai Motors Of Alabama, Auburn University In
Montgomery, Dublin, Bob Woodruff Lake, Woodcrest, Maxwell Air Force
Base, Snowdoun, Grady, Sellers, Davenport, Ramer, Waugh and Lagoon
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central,
south central and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3205 8631 3205 8641 3224 8641 3228 8648
3233 8647 3234 8650 3241 8646 3241 8631
3249 8631 3247 8629 3250 8626 3243 8619
3241 8605 3242 8603 3234 8599 3228 8592
3227 8598 3225 8600 3197 8600 3196 8630
TIME...MOT...LOC 2307Z 274DEG 43KT 3250 8656 3201 8688
HAIL...<.75IN
WIND...60MPH
$$
89^GSatterwhite3 follow-up statements
912
WWUS54 KBMX 042321 RRA
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
621 PM CDT Tue May 4 2021
ALC101-050015-
/O.CON.KBMX.SV.W.0105.000000T0000Z-210505T0015Z/
Montgomery AL-
621 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR MONTGOMERY COUNTY...
At 621 PM CDT, severe thunderstorms were located along a line
extending from Millbrook to 6 miles west of Lowndes County Airport,
moving east at 50 mph.
HAZARD...60 mph wind gusts. This line of storms has a history of
producing high winds and wind damage.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Montgomery, Meadville, Pike Road, Coosada, Pine Level, Montgomery
Zoo, Boylston, Hyundai Motors Of Alabama, Auburn University In
Montgomery, Dublin, Bob Woodruff Lake, Woodcrest, Maxwell Air Force
Base, Snowdoun, Grady, Sellers, Davenport, Ramer, Waugh and Lagoon
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central,
south central and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3205 8631 3205 8641 3224 8641 3228 8648
3233 8647 3234 8650 3241 8646 3241 8631
3249 8631 3247 8629 3250 8626 3243 8619
3241 8605 3242 8603 3234 8599 3228 8592
3227 8598 3225 8600 3197 8600 3196 8630
TIME...MOT...LOC 2321Z 274DEG 43KT 3249 8637 3200 8669
HAIL...<.75IN
WIND...60MPH
$$
89^GSatterwhite853
WWUS54 KBMX 042338
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
638 PM CDT Tue May 4 2021
ALC101-050015-
/O.CON.KBMX.SV.W.0105.000000T0000Z-210505T0015Z/
Montgomery AL-
638 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR MONTGOMERY COUNTY...
At 638 PM CDT, severe thunderstorms were located along a line
extending from near Emerald Mountain to Logan, moving east at 50 mph.
HAZARD...60 mph wind gusts. A wind gust to 58 mph was recently
recorded at the Montgomery airport. Wind damage has also
been reported with this line of storms.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Montgomery, Meadville, Pike Road, Coosada, Pine Level, Montgomery
Zoo, Boylston, Hyundai Motors Of Alabama, Auburn University In
Montgomery, Dublin, Bob Woodruff Lake, Woodcrest, Maxwell Air Force
Base, Snowdoun, Grady, Sellers, Davenport, Ramer, Waugh and Lagoon
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central,
south central and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3205 8631 3205 8641 3224 8641 3228 8648
3233 8647 3234 8650 3241 8646 3241 8631
3249 8631 3247 8629 3250 8626 3243 8619
3241 8605 3242 8603 3234 8599 3228 8592
3227 8598 3225 8600 3197 8600 3196 8630
TIME...MOT...LOC 2338Z 274DEG 43KT 3248 8614 3199 8646
HAIL...<.75IN
WIND...60MPH
$$
89^GSatterwhite626
WWUS54 KBMX 050007
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
707 PM CDT Tue May 4 2021
ALC101-050017-
/O.EXP.KBMX.SV.W.0105.000000T0000Z-210505T0015Z/
Montgomery AL-
707 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY COUNTY WILL EXPIRE
AT 715 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Tornado Watch remains in effect until 1000 PM CDT for south central
Alabama.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
southeastern Alabama.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Birmingham.
LAT...LON 3205 8631 3205 8641 3224 8641 3228 8648
3233 8647 3234 8650 3241 8646 3241 8631
3249 8631 3247 8629 3250 8626 3243 8619
3241 8605 3242 8603 3234 8599 3228 8592
3227 8598 3225 8600 3197 8600 3196 8630
TIME...MOT...LOC 0007Z 274DEG 43KT 3246 8578 3197 8610
$$
89^GSatterwhiteThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:02 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Montgomery | 43 min |
| May 3, 7:13 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Perry | 32 min |
| May 3, 7:25 PM CDT | Flash Flood Warning | BMX | Autauga, Elmore, Macon, Montgomery | 5 hr |
| May 3, 7:29 PM CDT | Areal Flood Advisory | BMX | Chambers, Lee, Macon, Tallapoosa | 2 hr |
| May 3, 7:40 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Macon, Montgomery | 47 min |
| May 3, 7:46 PM CDT | Special Weather Statement | BMX | Chilton | 44 min |
| May 3, 8:30 PM CDT | Special Weather Statement | BMX | Lee, Macon | 45 min |
| May 3, 8:36 PM CDT | Special Weather Statement | BMX | Chilton | 39 min |
| May 3, 8:51 PM CDT | Areal Flood Advisory | BMX | Bibb, Chilton, Perry | 3 hr |
| May 3, 8:59 PM CDT | Special Weather Statement | BMX | Russell | 46 min |
| May 3, 9:31 PM CDT | Special Weather Statement | BMX | Shelby | 59 min |
| May 4, 7:27 AM CDT | Special Weather Statement | BMX | Marion | 48 min |
| May 4, 7:57 AM CDT | Special Weather Statement | BMX | Lamar, Marion | 48 min |
| May 4, 9:07 AM CDT | Severe Thunderstorm Warning | BMX | Winston | 38 min |
| May 4, 10:26 AM CDT | Severe Thunderstorm Warning | BMX | Blount | 23 min |
| May 4, 10:59 AM CDT | Special Weather Statement | BMX | Walker | 31 min |
| May 4, 11:00 AM CDT | Areal Flood Advisory | BMX | Fayette, Lamar, Walker | 3 hr |
| May 4, 11:06 AM CDT | Areal Flood Advisory | BMX | Blount, Calhoun, Cherokee, Etowah, St. Clair | 3 hr |
| May 4, 11:12 AM CDT | Tornado Warning | BMX | Fayette, Tuscaloosa | 21 min |
| May 4, 11:25 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Walker | 50 min |
| May 4, 11:45 AM CDT | Areal Flood Advisory | BMX | Jefferson | 2 hr |
| May 4, 11:49 AM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson, St. Clair | 26 min |
| May 4, 12:03 PM CDT | Flash Flood Warning | BMX | Blount, Etowah, St. Clair | 117 min |
| May 4, 12:10 PM CDT | Flash Flood Warning | BMX | Jefferson | 7 hr |
| May 4, 12:14 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, St. Clair, Talladega | 46 min |
| May 4, 12:17 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair, Shelby | 28 min |
| May 4, 12:35 PM CDT | Flash Flood Warning | BMX | Calhoun, Etowah, St. Clair, Talladega | 3 hr |
| May 4, 12:56 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne, Talladega | 64 min |
| May 4, 1:15 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 30 min |
| May 4, 1:25 PM CDT | Tornado Warning | BMX | Cleburne | 24 min |
| May 4, 1:39 PM CDT | Flash Flood Warning | BMX | Jefferson, St. Clair, Shelby | 5 hr |
| May 4, 2:07 PM CDT | Areal Flood Warning | BMX | Blount, Calhoun, Cherokee, Etowah, St. Clair | 6 hr |
| May 4, 2:54 PM CDT | Areal Flood Advisory | BMX | Clay, Cleburne, Randolph, Shelby, Talladega | 3 hr |
| May 4, 3:50 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 55 min |
| May 4, 4:01 PM CDT | Flash Flood Warning | BMX | Shelby, Talladega | 3 hr |
| May 4, 4:05 PM CDT | Flash Flood Warning | BMX | Bibb, Tuscaloosa | 3 hr |
| May 4, 4:13 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 29 min |
| May 4, 4:20 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 55 min |
| May 4, 4:30 PM CDT | Severe Thunderstorm Warning | BMX | Hale, Marengo | 63 min |
| May 4, 4:45 PM CDT | Special Weather Statement | BMX | Walker, Winston | 30 min |
| May 4, 5:00 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Dallas, Perry | 75 min |
| May 4, 5:17 PM CDT | Flash Flood Warning | BMX | Jefferson, Shelby | 3 hr |
| May 4, 5:29 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Lowndes | 76 min |
| May 4, 5:30 PM CDT | Tornado Warning | BMX | Chilton, Perry | 30 min |
| May 4, 5:38 PM CDT | Tornado Warning | BMX | Shelby | 12 min |
| May 4, 5:54 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 50 min |
| May 4, 5:59 PM CDT | Severe Thunderstorm Warning | BMX | Elmore | 61 min |
| May 4, 6:19 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 56 min |
| May 4, 6:24 PM CDT | Tornado Warning | BMX | Elmore, Montgomery | 13 min |
| May 4, 6:37 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Pike | 83 min |
| May 4, 6:41 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Lee | 61 min |
| May 4, 6:48 PM CDT | River Flood Warning | BMX | Bibb, Jefferson, Shelby | 22 hr |
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.