Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 15, NWS Birmingham, AL

February 7, 2017Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Feb 7, 2017, 1:29 PM CST for Montgomery County, Alabama. It was in force for 31 min. 3 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: Feb 7, 2017, 1:29 PM CST (19:29 UTC)
Expired: Feb 7, 2017, 2:00 PM CST
In force: 31 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Montgomery County, AL

The radar

The Maxwell AFB radar (KMXX), 38 km from the middle of the area, began a volume at 19:29 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
Feb 7, 1:42 PM CST	TORNADO	3 Sw Cecil, AL	NWS METEOROLOGISTS SURVEYED DAMAGE SOUTH OF THE PIKE ROAD COMMUNITY AND DETERMINED THAT THE DAMAGE WAS CONSISTENT WITH A EF-0 TORNADO WITH MAXIMUM WINDS ESTIMATED NEAR 70 MPH. THIS TORNADO OCCURRED ON PRIVATE PROPERTY NEAR MOCKINGBIRD LANE AND ADJACENT TO LOND
Feb 7, 1:42 PM CST	TORNADO	3 Sw Cecil, AL	NWS METEOROLOGISTS SURVEYED DAMAGE SOUTH OF THE PIKE ROAD COMMUNITY AND DETERMINED THAT THE DAMAGE WAS CONSISTENT WITH A WEAK TORNADO. THIS TORNADO OCCURRED ON PRIVATE PROPERTY NEAR MOCKINGBIRD LANE AND ADJACENT TO LONDON ROAD. THE TORNADO UPROOTED AND SNAPPED
Feb 7, 1:43 PM CST	TSTM WND DMG	3 Sw Cecil, AL	OUTBUILDING DESTROYED WITH TREES DOWN ON LONDON ROAD SOUTH OF PIKE ROAD. WITNESSES ALSO REPORTED A FUNNEL OR LOWERING OF THE CLOUD BASE AT THIS LOCATION. POSSIBLE TORNADO. TIME BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.5 hours before the alert went out and 122 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 157 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.

442 
WFUS54 KBMX 071929
TORBMX
ALC101-072000-
/O.NEW.KBMX.TO.W.0015.170207T1929Z-170207T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
129 PM CST TUE FEB 7 2017

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  East central Montgomery County in south central Alabama...

* Until 200 PM CST
    
* At 128 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Snowdoun, or 9 miles south of Montgomery, moving
  east 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...
  Southeastern Montgomery, Pike Road, Barachias and Cecil. 

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 3218 8626 3228 8629 3236 8599 3234 8599
      3233 8597 3232 8596 3230 8595 3228 8592
      3227 8599 3225 8599 3225 8600 3221 8600
TIME...MOT...LOC 1928Z 256DEG 28KT 3223 8623 

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

$$

32/Davis

2 follow-up statements

725 
WWUS54 KBMX 071936
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
136 PM CST TUE FEB 7 2017

ALC101-072000-
/O.CON.KBMX.TO.W.0015.000000T0000Z-170207T2000Z/
Montgomery AL-
136 PM CST TUE FEB 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR EAST
CENTRAL MONTGOMERY COUNTY...
    
At 135 PM CST, a severe thunderstorm capable of producing a tornado
was located near Pike Road, or 10 miles southeast of Montgomery,
moving east 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...
Southeastern Montgomery, Pike Road and Cecil. 

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 3221 8619 3228 8620 3236 8599 3234 8599
      3233 8597 3232 8596 3230 8595 3228 8592
      3227 8599 3225 8599 3225 8600 3222 8600
TIME...MOT...LOC 1935Z 256DEG 28KT 3224 8616 

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

$$

32/Davis

450 
WWUS54 KBMX 071948
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
148 PM CST TUE FEB 7 2017

ALC101-072000-
/O.CON.KBMX.TO.W.0015.000000T0000Z-170207T2000Z/
Montgomery AL-
148 PM CST TUE FEB 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR EAST
CENTRAL MONTGOMERY COUNTY...
    
At 148 PM CST, a severe thunderstorm capable of producing a tornado
was located near Pike Road, or 14 miles southwest of Milstead, moving
east 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...
Cecil.

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 8605 3233 8606 3236 8599 3234 8599
      3233 8597 3232 8596 3230 8595 3228 8592
      3227 8599 3225 8599
TIME...MOT...LOC 1948Z 256DEG 28KT 3227 8604 

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

$$

32/Davis

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 6, 9:51 PM CST	Dense Fog Advisory	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 7 more	8 hr
Feb 7, 9:23 AM CST	Special Weather Statement	BMX	Tuscaloosa	37 min
Feb 7, 1:46 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Macon	44 min
Feb 7, 1:56 PM CST	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Pike	49 min
Feb 7, 2:11 PM CST	Special Weather Statement	BMX	Tuscaloosa	49 min
Feb 7, 2:24 PM CST	Severe Thunderstorm Warning	BMX	Lee, Macon, Russell	66 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.