Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 12, NWS Mobile, AL

January 21, 2017Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Jan 21, 2017, 6:49 PM CST for Mobile County, Alabama. It was in force for 41 min. 1 report 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: Jan 21, 2017, 6:49 PM CST (00:49 UTC)
Expired: Jan 21, 2017, 7:30 PM CST
In force: 41 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Mobile County, AL

The radar

The Mobile radar (KMOB), 18 km from the middle of the area, began a volume at 00:49 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
Jan 21, 6:55 PM CST	HAIL 2	6 Nw Tillmans Corner, AL	OFF DUTY NWS EMPLOYEE REPORTS 2 INCH HAIL OFF DAWES RD

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.8 hours before the alert went out and 165 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: 1796 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 96 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 16.4

Open this sounding in Storm Lab

The text

As transmitted.

052 
WFUS54 KMOB 220049
TORMOB
ALC097-220130-
/O.NEW.KMOB.TO.W.0012.170122T0049Z-170122T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
649 PM CST SAT JAN 21 2017

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Mobile County in southwestern Alabama...

* Until 730 PM CST
    
* At 649 PM CST, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Mobile Regional Airport, or 8
  miles west of Tillmans Corner, moving northeast at 40 mph.

  HAZARD...Tornado and half dollar size hail. 

  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. 

* This dangerous storm will be near...
  Tillmans Corner around 655 PM CST. 
  Mobile Regional Airport and I10 And I65 around 700 PM CST. 
  Midtown Mobile and Semmes around 705 PM CST. 
  Downtown Mobile around 710 PM CST. 
  Prichard, Chickasaw, I65 And AL 158 and I65 And I165 around 715 PM 
  CST. 
  Saraland around 720 PM CST. 
  Satsuma around 725 PM CST. 
  Creola around 730 PM CST. 

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 3053 8840 3060 8841 3096 8829 3090 8794
      3089 8794 3090 8796 3088 8798 3086 8798
      3086 8796 3085 8796 3087 8794 3086 8794
      3077 8802 3076 8802 3077 8801 3052 8813
      3048 8825
TIME...MOT...LOC 0049Z 217DEG 35KT 3059 8831 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

4 follow-up statements

960 
WWUS54 KMOB 220103
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
703 PM CST SAT JAN 21 2017

ALC097-220130-
/O.CON.KMOB.TO.W.0012.000000T0000Z-170122T0130Z/
Mobile AL-
703 PM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR CENTRAL
MOBILE COUNTY...
    
At 702 PM CST, a severe thunderstorm capable of producing a tornado
was located over west Mobile, moving northeast at 40 mph.

HAZARD...Tornado and half dollar size hail. 

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. 

This dangerous storm will be near...
  Saraland and Satsuma around 715 PM CST. 
  Creola around 720 PM CST. 

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 3056 8826 3062 8833 3096 8829 3090 8796
      3088 8798 3086 8798 3085 8796 3087 8794
      3086 8794 3077 8802 3076 8802 3075 8803
      3075 8802 3052 8813
TIME...MOT...LOC 0102Z 226DEG 36KT 3070 8812 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

044 
WWUS54 KMOB 220116
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
716 PM CST SAT JAN 21 2017

ALC097-220130-
/O.CON.KMOB.TO.W.0012.000000T0000Z-170122T0130Z/
Mobile AL-
716 PM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR CENTRAL
MOBILE COUNTY...
    
At 716 PM CST, a severe thunderstorm capable of producing a tornado
was located near Satsuma, moving northeast at 55 mph.

HAZARD...Tornado and two inch hail. 

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. 

This tornadic thunderstorm will remain over mainly rural areas of
central Mobile County.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3071 8824 3096 8829 3090 8797 3089 8798
      3086 8798 3085 8796 3087 8794 3086 8794
      3078 8802 3076 8802 3075 8803 3075 8802
      3067 8806
TIME...MOT...LOC 0116Z 226DEG 47KT 3084 8798 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

935 
WWUS54 KMOB 220124
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
724 PM CST SAT JAN 21 2017

ALC097-220130-
/O.CON.KMOB.TO.W.0012.000000T0000Z-170122T0130Z/
Mobile AL-
724 PM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR CENTRAL
MOBILE COUNTY...
        
At 723 PM CST, a severe thunderstorm capable of producing a tornado
was located near I-65 and Dauphin Street. 

HAZARD...Tornado and two inch hail. 

SOURCE...Weather spotters reported rotation near where the tornado
         was indicated on radar. 

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...
Downtown Mobile, Midtown Mobile, Prichard, Saraland, Chickasaw,
Satsuma, Creola, Chunchula, I65 And AL 158 and I65 And I165.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3071 8824 3096 8829 3090 8797 3089 8798
      3086 8798 3085 8796 3087 8794 3086 8794
      3078 8802 3076 8802 3075 8803 3075 8802
      3067 8806
TIME...MOT...LOC 0123Z 217DEG 35KT 3089 8793 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

465 
WWUS54 KMOB 220129
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
729 PM CST SAT JAN 21 2017

ALC097-220138-
/O.EXP.KMOB.TO.W.0012.000000T0000Z-170122T0130Z/
Mobile AL-
729 PM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR CENTRAL MOBILE COUNTY WILL EXPIRE AT 730
PM CST...
        
The storm's rotation which prompted the warning has weakened and has
exited the warned area. Therefore, the warning will be allowed to
expire.

A tornado watch remains in effect until 300 AM CST for southwestern
Alabama.

LAT...LON 3071 8824 3096 8829 3090 8797 3089 8798
      3086 8798 3085 8796 3087 8794 3086 8794
      3078 8802 3076 8802 3075 8803 3075 8802
      3067 8806
TIME...MOT...LOC 0128Z 217DEG 35KT 3093 8790 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 6:18 PM CST	Special Weather Statement	MOB	Mobile	57 min
Jan 21, 6:18 PM CST	Severe Thunderstorm Warning	MOB	Mobile	42 min
Jan 21, 6:31 PM CST	Special Marine Warning	MOB		89 min
Jan 21, 6:59 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	46 min
Jan 21, 7:03 PM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	20 min
Jan 21, 7:07 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	38 min
Jan 21, 7:11 PM CST	Severe Thunderstorm Warning	MOB	Mobile	34 min
Jan 21, 7:15 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	45 min
Jan 21, 7:25 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Conecuh, Escambia, Monroe	50 min
Jan 21, 7:30 PM CST	Tornado Warning	MOB	Baldwin, Escambia	45 min
Jan 21, 7:40 PM CST	Severe Thunderstorm Warning	MOB	Mobile	28 min
Jan 21, 7:46 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	44 min
Jan 21, 7:51 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	54 min
Jan 21, 7:53 PM CST	Severe Thunderstorm Warning	MOB	Escambia	52 min
Jan 21, 8:11 PM CST	Tornado Warning	MOB	Escambia	49 min
Jan 21, 8:15 PM CST	Tornado Warning	MOB	Escambia	30 min
Jan 21, 8:28 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	62 min
Jan 21, 8:28 PM CST	Severe Thunderstorm Warning	MOB	Washington	47 min
Jan 21, 8:51 PM CST	Areal Flood Advisory	MOB	Escambia	6 hr
Jan 21, 9:06 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	39 min
Jan 21, 9:11 PM CST	Tornado Warning	MOB	Covington	34 min
Jan 21, 9:14 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Escambia	46 min
Jan 21, 9:31 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw	44 min
Jan 21, 9:33 PM CST	Special Marine Warning	MOB		57 min
Jan 21, 9:56 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	49 min
Jan 21, 10:15 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Washington	45 min
Jan 21, 10:16 PM CST	Special Weather Statement	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	59 min
Jan 21, 10:19 PM CST	Severe Thunderstorm Warning	MOB	Butler, Monroe, Wilcox	41 min
Jan 21, 10:20 PM CST	Special Marine Warning	MOB		85 min
Jan 21, 10:25 PM CST	Flash Flood Warning	MOB	Covington	6 hr
Jan 21, 11:10 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	25 min
Jan 21, 11:15 PM CST	Special Weather Statement	MOB	Butler, Clarke, Conecuh, Covington, Crenshaw, Monroe and 2 more	75 min
Jan 21, 11:24 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	16 min
Jan 21, 11:25 PM CST	Special Weather Statement	MOB	Choctaw	50 min
Jan 22, 12:35 AM CST	Special Marine Warning	MOB		115 min
Jan 22, 5:23 AM CST	Wind Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	30 hr
Jan 22, 6:53 AM CST	Special Marine Warning	MOB		82 min
Jan 22, 7:56 AM CST	Special Marine Warning	MOB		49 min
Jan 22, 8:13 AM CST	Special Marine Warning	MOB		2 hr
Jan 22, 8:32 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	43 min
Jan 22, 8:35 AM CST	Special Marine Warning	MOB		55 min
Jan 22, 8:44 AM CST	Special Marine Warning	MOB		61 min
Jan 22, 9:10 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	50 min
Jan 22, 9:20 AM CST	Severe Thunderstorm Warning	MOB	Mobile	40 min
Jan 22, 9:31 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	44 min
Jan 22, 9:33 AM CST	Special Marine Warning	MOB		42 min
Jan 22, 9:54 AM CST	Special Weather Statement	MOB	Washington	51 min
Jan 22, 10:02 AM CST	Special Marine Warning	MOB		58 min
Jan 22, 10:04 AM CST	Tornado Warning	MOB	Covington, Escambia	41 min
Jan 22, 10:11 AM CST	Special Marine Warning	MOB		49 min
Jan 22, 10:27 AM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	33 min
Jan 22, 10:29 AM CST	Severe Thunderstorm Warning	MOB	Covington, Escambia	46 min
Jan 22, 10:34 AM CST	Special Weather Statement	MOB	Monroe	41 min
Jan 22, 10:52 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	23 min
Jan 22, 10:54 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Conecuh, Monroe	36 min
Jan 22, 10:58 AM CST	Special Marine Warning	MOB		47 min
Jan 22, 11:02 AM CST	Severe Thunderstorm Warning	MOB	Covington	58 min
Jan 22, 11:03 AM CST	Special Weather Statement	MOB	Baldwin, Escambia	42 min
Jan 22, 11:07 AM CST	Tornado Warning	MOB	Covington	38 min
Jan 22, 11:13 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington, Wilcox	36 min
Jan 22, 11:24 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Monroe, Wilcox	51 min
Jan 22, 11:39 AM CST	Special Marine Warning	MOB		66 min
Jan 22, 12:08 PM CST	Special Weather Statement	MOB	Butler, Crenshaw	52 min
Jan 22, 12:26 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	34 min
Jan 22, 4:15 PM CST	River Flood Warning	MOB	Escambia	3 days

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.