Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 13, NWS Birmingham, AL

January 22, 2017Macon County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 22, 2017, 1:24 PM CST for Macon County, Alabama. It was in force for 19 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: Jan 22, 2017, 1:24 PM CST (19:24 UTC)
Expired: Jan 22, 2017, 1:43 PM CST
In force: 19 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Macon County, AL

The radar

The Maxwell AFB radar (KMXX), 9 km from the middle of the area, began a volume at 19:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 22, 11:47 AM CST	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.4 hours before the alert went out and 125 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: 129 J/kg
Mixed-layer CIN: -223 J/kg
Mixed-layer LCL: 986 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

015 
WFUS54 KBMX 221924
TORBMX
ALC087-222000-
/O.NEW.KBMX.TO.W.0013.170122T1924Z-170122T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
124 PM CST SUN JAN 22 2017

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Northeastern Macon County in southeastern Alabama...

* Until 200 PM CST
    
* At 124 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Franklin, or near Tuskegee, 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...
  Tuskegee, Notasulga, Franklin, Tuskegee National Forest, Lake
  Tuskegee, Liverpool, Moton Field Municipal Airport, Uphapee Creek
  and I 85 Rest Area.

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 3235 8581 3242 8589 3249 8581 3249 8580
      3251 8580 3260 8570 3258 8569 3258 8566
      3257 8566 3250 8549 3250 8544
TIME...MOT...LOC 1924Z 231DEG 33KT 3243 8577 

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

$$

17/KLAWS

1 follow-up statement

499 
WWUS54 KBMX 221943
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
143 PM CST SUN JAN 22 2017

ALC087-221952-
/O.CAN.KBMX.TO.W.0013.000000T0000Z-170122T2000Z/
Macon AL-
143 PM CST SUN JAN 22 2017

...THE TORNADO WARNING FOR NORTHEASTERN MACON COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A tornado watch remains in effect until 700 PM CST for southeastern
and east central Alabama.

LAT...LON 3235 8581 3242 8589 3249 8581 3249 8580
      3251 8580 3260 8570 3258 8569 3258 8566
      3257 8566 3250 8549 3250 8544
TIME...MOT...LOC 1941Z 231DEG 33KT 3254 8561 

$$

Owen

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 10:21 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Shelby	19 min
Jan 21, 10:55 PM CST	Severe Thunderstorm Warning	BMX	Lowndes	21 min
Jan 21, 11:05 PM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens	40 min
Jan 21, 11:29 PM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	31 min
Jan 21, 11:42 PM CST	Areal Flood Advisory	BMX	Pickens	3 hr
Jan 21, 11:56 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	52 min
Jan 22, 12:27 AM CST	Severe Thunderstorm Warning	BMX	Bibb, Hale, Perry	22 min
Jan 22, 12:41 AM CST	Areal Flood Advisory	BMX	Fayette, Pickens, Tuscaloosa, Walker	3 hr
Jan 22, 1:04 AM CST	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	41 min
Jan 22, 1:17 AM CST	Severe Thunderstorm Warning	BMX	St. Clair	39 min
Jan 22, 1:18 AM CST	Severe Thunderstorm Warning	BMX	Blount, Jefferson	38 min
Jan 22, 1:31 AM CST	Severe Thunderstorm Warning	BMX	Etowah	40 min
Jan 22, 9:06 AM CST	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	33 hr
Jan 22, 11:57 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Dallas, Lowndes	63 min
Jan 22, 12:04 PM CST	Tornado Warning	BMX	Autauga	20 min
Jan 22, 12:32 PM CST	Severe Thunderstorm Warning	BMX	Coosa, Elmore, Montgomery	58 min
Jan 22, 12:56 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Macon, Pike	64 min
Jan 22, 1:02 PM CST	Areal Flood Advisory	BMX	Chilton, Coosa, Shelby	3 hr
Jan 22, 1:08 PM CST	Tornado Warning	BMX	Bullock	19 min
Jan 22, 1:24 PM CST	Areal Flood Advisory	BMX	Bibb, Chilton, Jefferson, St. Clair, Shelby	3 hr
Jan 22, 1:41 PM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee, Randolph, Tallapoosa	64 min
Jan 22, 1:48 PM CST	Tornado Warning	BMX	Lee	27 min
Jan 22, 5:38 PM CST	Special Weather Statement	BMX	Greene, Hale, Marengo, Perry	37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.