Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 51, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Aug 31, 2017, 6:55 PM CDT for Bibb County, Alabama. It was in force for 65 min. 5 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
- Aug 31, 2017, 6:55 PM CDT (23:55 UTC)
- Expired
- Aug 31, 2017, 8:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Bibb County, AL
The radar
The Birmingham radar (KBMX), 40 km from the middle of the area, began a volume at 23:54 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 |
|---|---|---|---|
| Aug 31, 6:57 PM CDT | TORNADO | 1 Se Harmon, AL | NWS METEOROLOGISTS SURVEYED DAMAGE IN SOUTHWEST BIBB COUNTY AND FOUND THAT THE DAMAGE WAS CONSISTENT WITH AN EF1 TORNADO, WITH MAXIMUM SUSTAINED WINDS NEAR 90. NO INJURIES OR FATALITIES. |
| Aug 31, 7:09 PM CDT | TSTM WND DMG | 2 Wsw Eoline, AL | TREES AND POWER LINES DOWN ACROSS PORTIONS OF WARD SCHOOL ROAD, WEST EOLINE ROAD AND BEAR CREEK ROAD. POSSIBLE TORNADO. REPORT RELAYED BY SOCIAL MEDIA. LOCATION APPROXIMATE. |
| Aug 31, 7:11 PM CDT | TORNADO | 1 Se Harmon, AL | STORM CHASER TOOK VIDEO OF TORNADO CROSSING U.S. HIGHWAY 82 IN BIBB COUNTY NEAR EOLINE. TIME APPROXIMATE. |
| Aug 31, 7:28 PM CDT | TORNADO | 3 Wsw West Blocton, AL | NWS METEOROLOGISTS SURVEYED DAMAGE NEAR HOPEWELL CHURCH ROAD AND DETERMINED THAT IT WAS CAUSED BY AN EF1 TORNADO WITH 95 MPH WINDS. |
| Aug 31, 7:42 PM CDT | TORNADO | 1 E North Bibb, AL | NWS METEOROLOGISTS SURVEYED DAMAGE NEAR OLD WOODSTOCK ROAD AND DETERMINED THAT IT WAS CAUSED BY AN EF0 TORNADO WITH 75 MPH WINDS. |
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 |
|---|---|---|---|
| Aug 31, 11:13 AM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.9 hours before the alert went out and 39 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
- 724 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.5
The text
As transmitted.
381
WFUS54 KBMX 312355
TORBMX
ALC007-010100-
/O.NEW.KBMX.TO.W.0051.170831T2355Z-170901T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
655 PM CDT THU AUG 31 2017
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Central Bibb County in central Alabama...
* Until 800 PM CDT
* At 655 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Mertz, or 10 miles west of Brent, moving northeast
at 35 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...
Brent, Centreville, Vance, Woodstock, West Blocton, Eoline, Mertz,
North Bibb, Green Pond, Hebron, Harmon and Marvel.
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 3301 8736 3301 8732 3305 8731 3313 8724
3313 8720 3318 8720 3323 8715 3324 8713
3322 8712 3322 8710 3325 8708 3325 8703
3317 8703 3316 8697 3310 8697 3287 8733
3288 8739 3293 8742
TIME...MOT...LOC 2355Z 225DEG 31KT 3292 8735
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
32/Davis3 follow-up statements
455
WWUS54 KBMX 010002
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
702 PM CDT THU AUG 31 2017
ALC007-010100-
/O.CON.KBMX.TO.W.0051.000000T0000Z-170901T0100Z/
Bibb AL-
702 PM CDT THU AUG 31 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR CENTRAL
BIBB COUNTY...
At 702 PM CDT, a confirmed tornado was located near Eoline, or 8
miles west of Brent, moving northeast at 35 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Centreville, Vance, Woodstock, West Blocton, Eoline, North Bibb,
Green Pond, Hebron, Harmon and Marvel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3300 8735 3301 8732 3305 8731 3313 8724
3313 8720 3318 8720 3323 8715 3324 8713
3322 8712 3322 8710 3325 8708 3325 8703
3317 8703 3316 8697 3310 8697 3291 8730
3291 8734 3296 8737
TIME...MOT...LOC 0002Z 225DEG 30KT 3296 8730
TORNADO...OBSERVED
HAIL...<.75IN
$$
32/Davis096
WWUS54 KBMX 010019
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
719 PM CDT THU AUG 31 2017
ALC007-010100-
/O.CON.KBMX.TO.W.0051.000000T0000Z-170901T0100Z/
Bibb AL-
719 PM CDT THU AUG 31 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTH
CENTRAL BIBB COUNTY...
At 719 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Eoline, or 7 miles northwest of Centreville, moving
northeast at 30 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...
Vance, Woodstock, West Blocton, North Bibb, Green Pond and Hebron.
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 3305 8726 3306 8728 3313 8724 3313 8720
3318 8720 3323 8715 3324 8713 3322 8712
3322 8710 3325 8708 3325 8703 3317 8703
3315 8701 3300 8721 3302 8726
TIME...MOT...LOC 0019Z 222DEG 28KT 3305 8721
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
32/Davis863
WWUS54 KBMX 010044
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
744 PM CDT THU AUG 31 2017
ALC007-010100-
/O.CON.KBMX.TO.W.0051.000000T0000Z-170901T0100Z/
Bibb AL-
744 PM CDT THU AUG 31 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTH
CENTRAL BIBB COUNTY...
At 744 PM CDT, a confirmed tornado was located over Woodstock, or 14
miles southwest of Bessemer, moving northeast at 30 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Woodstock, North Bibb and Green Pond.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3317 8715 3319 8719 3323 8715 3324 8713
3322 8712 3322 8710 3325 8708 3325 8705
3318 8707
TIME...MOT...LOC 0044Z 209DEG 26KT 3322 8712
TORNADO...OBSERVED
HAIL...<.75IN
$$
32/DavisThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 7:17 PM CDT | Special Weather Statement | BMX | Bullock | 58 min |
| Aug 30, 7:19 PM CDT | Special Weather Statement | BMX | Pike | 26 min |
| Aug 30, 7:50 PM CDT | Special Weather Statement | BMX | Barbour | 70 min |
| Aug 31, 12:01 PM CDT | Special Weather Statement | BMX | Marengo | 29 min |
| Aug 31, 2:49 PM CDT | Wind Advisory | BMX | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 29 more | 27 hr |
| Aug 31, 3:12 PM CDT | Tornado Warning | BMX | Pickens | 48 min |
| Aug 31, 3:38 PM CDT | Tornado Warning | BMX | Fayette, Lamar, Pickens | 52 min |
| Aug 31, 3:42 PM CDT | Tornado Warning | BMX | Hale, Perry | 10 min |
| Aug 31, 4:12 PM CDT | Tornado Warning | BMX | Fayette | 30 min |
| Aug 31, 4:23 PM CDT | Tornado Warning | BMX | Fayette, Pickens, Tuscaloosa | 52 min |
| Aug 31, 4:26 PM CDT | Tornado Warning | BMX | Marion, Winston | 35 min |
| Aug 31, 5:30 PM CDT | Tornado Warning | BMX | Winston | 23 min |
| Aug 31, 5:41 PM CDT | Special Weather Statement | BMX | Marengo | 34 min |
| Aug 31, 6:07 PM CDT | Tornado Warning | BMX | Hale | 38 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.