Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 39, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Jun 22, 2017, 1:20 PM CDT for Jefferson County, Alabama. It was in force for 10 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
- Jun 22, 2017, 1:20 PM CDT (18:20 UTC)
- Expired
- Jun 22, 2017, 1:30 PM CDT
- In force
- 10 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Jefferson County, AL
The radar
The Birmingham radar (KBMX), 63 km from the middle of the area, began a volume at 18:23 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 1:04 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 61 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
- 602 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 450 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 306 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.5
The text
As transmitted.
368
WFUS54 KBMX 221820
TORBMX
ALC073-221900-
/O.NEW.KBMX.TO.W.0039.170622T1820Z-170622T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
120 PM CDT THU JUN 22 2017
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Central Jefferson County in Alabama...
* Until 200 PM CDT
* At 120 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Oak Grove, or 8 miles west of Hueytown, moving
northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Birmingham, Gardendale, Adamsville, Graysville, Sylvan Springs,
Brookside, Mulga, Maytown, West Jefferson, Cardiff, Forestdale,
Sayre, Rock Creek, Birmingport, Miller Steam Plant and Partridge
Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3371 8681 3342 8712 3347 8720 3363 8712
3363 8710 3366 8709 3366 8706 3368 8706
3369 8704 3373 8704 3375 8702 3377 8702
3377 8701 3379 8700 3379 8697 3382 8695
3382 8694
TIME...MOT...LOC 1820Z 211DEG 20KT 3348 8713
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
17/KLAWS2 follow-up statements
529
WWUS54 KBMX 221827
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
127 PM CDT THU JUN 22 2017
ALC073-221900-
/O.CON.KBMX.TO.W.0039.000000T0000Z-170622T1900Z/
Jefferson AL-
127 PM CDT THU JUN 22 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHWESTERN JEFFERSON COUNTY...
At 127 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Sylvan Springs, or 8 miles northwest of Hueytown,
moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Birmingham, Gardendale, Adamsville, Graysville, Sylvan Springs,
Brookside, Maytown, West Jefferson, Cardiff, Sayre, Rock Creek,
Birmingport, Miller Steam Plant and Partridge Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3371 8681 3346 8710 3350 8717 3363 8712
3363 8710 3366 8709 3366 8706 3368 8706
3369 8704 3373 8704 3375 8702 3377 8702
3377 8701 3379 8700 3379 8697 3382 8695
3382 8694
TIME...MOT...LOC 1827Z 211DEG 20KT 3351 8711
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
17/KLAWS304
WWUS54 KBMX 221830
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
130 PM CDT THU JUN 22 2017
ALC073-221840-
/O.CAN.KBMX.TO.W.0039.000000T0000Z-170622T1900Z/
Jefferson AL-
130 PM CDT THU JUN 22 2017
...THE TORNADO WARNING FOR NORTHWESTERN JEFFERSON COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CDT for Alabama.
LAT...LON 3371 8681 3346 8710 3350 8717 3363 8712
3363 8710 3366 8709 3366 8706 3368 8706
3369 8704 3373 8704 3375 8702 3377 8702
3377 8701 3379 8700 3379 8697 3382 8695
3382 8694
TIME...MOT...LOC 1828Z 211DEG 20KT 3353 8710
$$
17/KLAWSThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 11:27 PM CDT | Areal Flood Advisory | BMX | Lowndes | 3 hr |
| Jun 22, 4:32 AM CDT | Flash Flood Warning | BMX | Lowndes | 6 hr |
| Jun 22, 5:38 AM CDT | Areal Flood Advisory | BMX | Montgomery | 4 hr |
| Jun 22, 8:37 AM CDT | Areal Flood Advisory | BMX | Greene, Hale, Marengo, Pickens, Sumter | 3 hr |
| Jun 22, 10:23 AM CDT | Areal Flood Advisory | BMX | Bibb, Perry, Tuscaloosa | 3 hr |
| Jun 22, 10:29 AM CDT | Areal Flood Warning | BMX | Autauga, Lowndes | 3 hr |
| Jun 22, 11:28 AM CDT | Areal Flood Advisory | BMX | Greene, Hale, Marengo | 3 hr |
| Jun 22, 11:36 AM CDT | Areal Flood Advisory | BMX | Jefferson, Walker | 3 hr |
| Jun 22, 12:27 PM CDT | Tornado Warning | BMX | Jefferson | 33 min |
| Jun 22, 12:42 PM CDT | Tornado Warning | BMX | Jefferson | 11 min |
| Jun 22, 12:49 PM CDT | Areal Flood Advisory | BMX | Jefferson, St. Clair, Shelby | 3 hr |
| Jun 22, 12:55 PM CDT | Tornado Warning | BMX | Bibb, Tuscaloosa | 38 min |
| Jun 22, 1:44 PM CDT | Areal Flood Advisory | BMX | Bibb, Perry | 3 hr |
| Jun 22, 2:29 PM CDT | Areal Flood Advisory | BMX | Bibb, Jefferson, Tuscaloosa | 3 hr |
| Jun 22, 2:43 PM CDT | Tornado Warning | BMX | Jefferson, Shelby | 12 min |
| Jun 22, 2:56 PM CDT | Tornado Warning | BMX | Clay, Tallapoosa | 22 min |
| Jun 22, 3:13 PM CDT | Areal Flood Advisory | BMX | Autauga, Elmore, Lowndes, Montgomery | 2 hr |
| Jun 22, 3:38 PM CDT | Tornado Warning | BMX | Tallapoosa | 41 min |
| Jun 22, 3:54 PM CDT | Areal Flood Warning | BMX | Autauga, Bibb, Chilton, Coosa, Elmore, Lowndes and 1 more | 3 hr |
| Jun 22, 3:58 PM CDT | Areal Flood Warning | BMX | Bibb, Blount, Jefferson, St. Clair, Shelby, Talladega and 2 more | 3 hr |
| Jun 22, 4:19 PM CDT | Areal Flood Warning | BMX | Dallas, Greene, Hale, Marengo, Perry | 3 hr |
Nearby
Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes in 2017
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.