Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 32, NWS Birmingham, AL

April 30, 2017Fayette County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 30, 2017, 12:39 PM CDT for Fayette County, Alabama. It was in force for 22 min. 2 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, 12:39 PM CDT (17:39 UTC)
Expired: Apr 30, 2017, 1:01 PM CDT
In force: 22 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Fayette County, AL

The radar

The Columbus AFB radar (KGWX), 71 km from the middle of the area, began a volume at 17:40 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, 12:50 PM CDT	TSTM WND DMG	1 Ene Berry, AL	TREE DOWN NEAR BERRY HIGH SCHOOL.
Apr 30, 12:50 PM CDT	TSTM WND DMG	1 Ne Berry, AL	TREE DOWN NEAR BERRY HIGH SCHOOL.

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, 5.7 hours before the alert went out and 94 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

220 
WFUS54 KBMX 301739
TORBMX
ALC057-301830-
/O.NEW.KBMX.TO.W.0032.170430T1739Z-170430T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
1239 PM CDT SUN APR 30 2017

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Eastern Fayette County in west central Alabama...

* Until 130 PM CDT
    
* At 1239 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Ashcraft Corner, or 11 miles south of
  Fayette, 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...
  Berry, Boley Springs, Bankston, Stone Wall, Fayette County Public
  Lake and Fowlers 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 3386 8763 3378 8753 3369 8753 3369 8743
      3366 8742 3360 8754 3361 8763 3358 8763
      3358 8767 3355 8767 3352 8774 3352 8783
      3353 8784
TIME...MOT...LOC 1739Z 223DEG 28KT 3353 8779 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

61

2 follow-up statements

719 
WWUS54 KBMX 301749
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
1249 PM CDT SUN APR 30 2017

ALC057-301830-
/O.CON.KBMX.TO.W.0032.000000T0000Z-170430T1830Z/
Fayette AL-
1249 PM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR EASTERN
FAYETTE COUNTY...
    
At 1248 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bankston, or 9 miles southeast of Fayette, 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...
Berry, Boley Springs, Bankston and Fowlers 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 3386 8763 3378 8753 3369 8753 3369 8747
      3368 8746 3361 8752 3360 8754 3360 8755
      3361 8763 3361 8768 3362 8771 3370 8773
TIME...MOT...LOC 1748Z 225DEG 42KT 3363 8768 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

61

321 
WWUS54 KBMX 301801
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
101 PM CDT SUN APR 30 2017

ALC057-301810-
/O.CAN.KBMX.TO.W.0032.000000T0000Z-170430T1830Z/
Fayette AL-
101 PM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR EASTERN FAYETTE COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A tornado watch remains in effect until 700 PM CDT for west central
Alabama.

LAT...LON 3386 8763 3378 8753 3369 8753 3369 8747
      3368 8746 3361 8752 3360 8754 3360 8755
      3361 8763 3361 8768 3362 8771 3370 8773
TIME...MOT...LOC 1759Z 223DEG 28KT 3370 8760 

$$

61

The 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, 11:46 AM CDT	Tornado Warning	BMX	Lamar	44 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, 12:54 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, 2017 Every tornado warning in 2017 Tornadoes 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.