Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 33, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at May 1, 2017, 6:17 AM CDT for Pike County, Alabama. It was in force for 28 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
- May 1, 2017, 6:17 AM CDT (11:17 UTC)
- Expired
- May 1, 2017, 6:45 AM CDT
- In force
- 28 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Pike County, AL
The radar
The Maxwell AFB radar (KMXX), 66 km from the middle of the area, began a volume at 11:20 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, 11.3 hours before the alert went out and 158 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
- 748 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
113
WFUS54 KBMX 011117
TORBMX
ALC109-011145-
/O.NEW.KBMX.TO.W.0033.170501T1117Z-170501T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
617 AM CDT MON MAY 1 2017
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Central Pike County in southeastern Alabama...
* Until 645 AM CDT
* At 616 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Troy, moving northeast at 50 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...
Troy, Banks, Linwood, Troy Municipal Airport, Troy University,
China Grove, Sandfield and Orion.
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 3185 8611 3197 8601 3197 8600 3198 8600
3206 8592 3206 8591 3205 8591 3205 8589
3199 8589 3197 8588 3197 8579 3188 8579
3188 8572 3176 8599
TIME...MOT...LOC 1116Z 222DEG 42KT 3181 8600
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25/Owen2 follow-up statements
898
WWUS54 KBMX 011129
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
629 AM CDT MON MAY 1 2017
ALC109-011145-
/O.CON.KBMX.TO.W.0033.000000T0000Z-170501T1145Z/
Pike AL-
629 AM CDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
NORTHEASTERN PIKE COUNTY...
At 629 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Linwood, or 9 miles northeast of Troy, moving
northeast at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Banks, Linwood and Sandfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3190 8599 3194 8597 3197 8596 3199 8595
3206 8592 3206 8591 3205 8591 3205 8589
3199 8589 3197 8588 3197 8579 3188 8579
3188 8572 3181 8587
TIME...MOT...LOC 1129Z 222DEG 42KT 3192 8588
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25/Owen220
WWUS54 KBMX 011144
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
644 AM CDT MON MAY 1 2017
ALC109-011154-
/O.EXP.KBMX.TO.W.0033.000000T0000Z-170501T1145Z/
Pike AL-
644 AM CDT MON MAY 1 2017
...THE TORNADO WARNING FOR NORTHEASTERN PIKE COUNTY WILL EXPIRE AT
645 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 3190 8599 3194 8597 3197 8596 3199 8595
3206 8592 3206 8591 3205 8591 3205 8589
3199 8589 3197 8588 3197 8579 3188 8579
3188 8572 3181 8587
TIME...MOT...LOC 1144Z 222DEG 42KT 3204 8576
$$
25/OwenThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 9:19 PM CDT | Special Weather Statement | BMX | Sumter | 41 min |
| Apr 30, 11:55 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 54 min |
| May 1, 12:35 AM CDT | Special Weather Statement | BMX | Dallas, Perry | 55 min |
| May 1, 5:52 AM CDT | Special Weather Statement | BMX | Pike | 23 min |
| May 1, 6:33 AM CDT | Tornado Warning | BMX | Bullock | 12 min |
| May 1, 8:32 AM CDT | Tornado Warning | BMX | Russell | 43 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.