Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 30, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 30, 2017, 11:46 AM CDT for Lamar County, Alabama. It was in force for 44 min. 6 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
- Apr 30, 2017, 11:46 AM CDT (16:46 UTC)
- Expired
- Apr 30, 2017, 12:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Lamar County, AL
The radar
The Columbus AFB radar (KGWX), 22 km from the middle of the area, began a volume at 16:47 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 |
|---|---|---|---|
| Apr 30, 12:03 PM CDT | TSTM WND DMG | 1 Sw Vernon, AL | SEVERAL TREES BLOWN DOWN IN AND AROUND VERNON. |
| Apr 30, 12:03 PM CDT | TSTM WND DMG | 2 Sw Vernon, AL | SEVERAL TREES BLOWN DOWN IN AND AROUND VERNON. |
| Apr 30, 12:10 PM CDT | TSTM WND DMG | 1 E Vernon, AL | SEVERAL TREES DOWN ALONG YELLOW CREEK ROAD JUST EAST OF VERNON. |
| Apr 30, 12:15 PM CDT | TSTM WND DMG | 1 Sse Vernon, AL | TREE DOWN ON A HOUSE ON 1ST STREET IN VERNON. SEVERAL OTHER TREES BLOWN DOWN IN AND AROUND TOWN. |
| Apr 30, 12:15 PM CDT | TSTM WND DMG | Vernon, AL | TREE DOWN ON A HOUSE ON 1ST STREET IN VERNON. |
| Apr 30, 12:15 PM CDT | TSTM WND DMG | Vernon, AL | TREE DOWN ON A HOUSE ON 1ST STREET IN VERNON. SEVERAL OTHER TREES BLOWN DOWN IN AND AROUND TOWN. |
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 |
|---|---|---|---|
| Apr 30, 10:36 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 4.8 hours before the alert went out and 143 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
- 53 J/kg
- Mixed-layer CIN
- -333 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
220
WFUS54 KBMX 301646
TORBMX
ALC075-301730-
/O.NEW.KBMX.TO.W.0030.170430T1646Z-170430T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
1146 AM CDT SUN APR 30 2017
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Central Lamar County in west central Alabama...
* Until 1230 PM CDT
* At 1145 AM CDT, a severe thunderstorm capable of producing a
tornado was located over Steens, or 8 miles northeast of Columbus,
moving northeast at 40 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...
Vernon, Sulligent, Blooming Grove, Lamar County Airport, Bedford,
Star, Hightogy and Lamar County Public Lake.
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3396 8822 3382 8795 3375 8795 3354 8827
TIME...MOT...LOC 1645Z 216DEG 34KT 3357 8829
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
612 follow-up statements
940
WWUS54 KBMX 301659
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1159 AM CDT SUN APR 30 2017
ALC075-301730-
/O.CON.KBMX.TO.W.0030.000000T0000Z-170430T1730Z/
Lamar AL-
1159 AM CDT SUN APR 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR CENTRAL
LAMAR COUNTY...
At 1158 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Vernon, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Vernon, Blooming Grove, Hightogy and Star.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3370 8822 3389 8808 3382 8795 3375 8795
3362 8815
TIME...MOT...LOC 1658Z 221DEG 47KT 3369 8814
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
61247
WWUS54 KBMX 301708
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1208 PM CDT SUN APR 30 2017
ALC075-301730-
/O.CON.KBMX.TO.W.0030.000000T0000Z-170430T1730Z/
Lamar AL-
1208 PM CDT SUN APR 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR EAST
CENTRAL LAMAR COUNTY...
At 1208 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Vernon, moving northeast at 40 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...
Vernon and Blooming Grove.
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3376 8812 3387 8805 3382 8795 3379 8795
3373 8808
TIME...MOT...LOC 1708Z 216DEG 34KT 3377 8807
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
61The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 11:11 AM CDT | Severe Thunderstorm Warning | BMX | Greene, Pickens, Sumter | 64 min |
| Apr 30, 11:28 AM CDT | Tornado Warning | BMX | Pickens, Sumter | 47 min |
| Apr 30, 11:53 AM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 52 min |
| Apr 30, 12:12 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Greene, Pickens, Tuscaloosa | 63 min |
| Apr 30, 12:18 PM CDT | Special Weather Statement | BMX | Greene, Hale, Marengo | 57 min |
| Apr 30, 12:19 PM CDT | Tornado Warning | BMX | Fayette, Lamar, Marion | 14 min |
| Apr 30, 12:37 PM CDT | Severe Thunderstorm Warning | BMX | Marion | 23 min |
| Apr 30, 12:39 PM CDT | Tornado Warning | BMX | Fayette | 22 min |
| Apr 30, 12:54 PM CDT | Severe Thunderstorm Warning | BMX | Marion, Walker, Winston | 66 min |
| Apr 30, 1:12 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Jefferson, Tuscaloosa, Walker | 63 min |
| Apr 30, 1:14 PM CDT | Special Weather Statement | BMX | Bibb, Hale, Marengo, Perry | 46 min |
| Apr 30, 1:45 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson | 60 min |
| Apr 30, 2:01 PM CDT | Special Weather Statement | BMX | Shelby | 74 min |
| Apr 30, 2:30 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 48 min |
| Apr 30, 2:41 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Etowah | 64 min |
| Apr 30, 3:12 PM CDT | Special Weather Statement | BMX | Dallas | 63 min |
| Apr 30, 3:35 PM CDT | Special Weather Statement | BMX | Etowah | 40 min |
| Apr 30, 3:47 PM CDT | Special Weather Statement | BMX | Autauga | 43 min |
| Apr 30, 4:16 PM CDT | Special Weather Statement | BMX | Coosa | 29 min |
| Apr 30, 4:48 PM CDT | Special Weather Statement | BMX | Clay, Coosa, Elmore, Tallapoosa | 42 min |
| Apr 30, 5:19 PM CDT | Special Weather Statement | BMX | Clay, Randolph | 41 min |
| Apr 30, 5:59 PM CDT | Special Weather Statement | BMX | Cleburne | 31 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.