Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 22, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 27, 2017, 6:13 AM CDT for Lowndes County, Alabama. It was in force for 13 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
- Apr 27, 2017, 6:13 AM CDT (11:13 UTC)
- Expired
- Apr 27, 2017, 6:26 AM CDT
- In force
- 13 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Lowndes County, AL
The radar
The Maxwell AFB radar (KMXX), 75 km from the middle of the area, began a volume at 11:17 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
Birmingham, AL (KBMX), launched 00:00Z, 11.2 hours before the alert went out and 102 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
- 1641 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
876
WFUS54 KBMX 271113
TORBMX
ALC085-271145-
/O.NEW.KBMX.TO.W.0022.170427T1113Z-170427T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
613 AM CDT THU APR 27 2017
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Northeastern Lowndes County in south central Alabama...
* Until 645 AM CDT
* At 612 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Lowndesboro, or near Hayneville, 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...
Lowndesboro and Manack.
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 3225 8668 3234 8654 3234 8648 3233 8648
3233 8647 3231 8649 3229 8649 3227 8648
3227 8645 3224 8641 3219 8665
TIME...MOT...LOC 1112Z 233DEG 25KT 3223 8662
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
17/KLAWS2 follow-up statements
975
WWUS54 KBMX 271121
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
621 AM CDT THU APR 27 2017
ALC085-271145-
/O.CON.KBMX.TO.W.0022.000000T0000Z-170427T1145Z/
Lowndes AL-
621 AM CDT THU APR 27 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
NORTHEASTERN LOWNDES COUNTY...
At 620 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Lowndesboro, or near Hayneville, moving northeast at
30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Lowndesboro and Manack.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3227 8662 3234 8654 3234 8648 3233 8648
3233 8647 3231 8649 3229 8649 3227 8648
3227 8646 3221 8656
TIME...MOT...LOC 1120Z 233DEG 25KT 3227 8656
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
17/KLAWS621
WWUS54 KBMX 271126
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
626 AM CDT THU APR 27 2017
ALC085-271135-
/O.CAN.KBMX.TO.W.0022.000000T0000Z-170427T1145Z/
Lowndes AL-
626 AM CDT THU APR 27 2017
...THE TORNADO WARNING FOR NORTHEASTERN LOWNDES 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.
LAT...LON 3227 8662 3234 8654 3234 8648 3233 8648
3233 8647 3231 8649 3229 8649 3227 8648
3227 8646 3221 8656
TIME...MOT...LOC 1124Z 233DEG 25KT 3229 8652
$$
17/KLAWSThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:06 AM CDT | Severe Thunderstorm Warning | BMX | Sumter | 39 min |
| Apr 27, 12:07 AM CDT | Tornado Warning | BMX | Pickens | 25 min |
| Apr 27, 12:33 AM CDT | Severe Thunderstorm Warning | BMX | Greene | 42 min |
| Apr 27, 12:56 AM CDT | Severe Thunderstorm Warning | BMX | Sumter | 49 min |
| Apr 27, 8:41 AM CDT | Special Weather Statement | BMX | Tallapoosa | 34 min |
| Apr 27, 9:09 AM CDT | Tornado Warning | BMX | Bullock, Montgomery | 20 min |
| Apr 27, 11:21 AM CDT | Tornado Warning | BMX | Pike | 24 min |
| Apr 27, 11:31 AM CDT | Tornado Warning | BMX | Lee, Russell | 14 min |
| Apr 27, 11:40 AM CDT | Tornado Warning | BMX | Bullock | 36 min |
| Apr 27, 11:58 AM CDT | Tornado Warning | BMX | Russell | 27 min |
| Apr 27, 12:04 PM CDT | Tornado Warning | BMX | Barbour, Bullock | 41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.