Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 10, NWS Mobile, AL

January 21, 2017Choctaw County, Clarke County, Alabama

NWS Mobile, AL issued this tornado warning at Jan 21, 2017, 5:06 AM CST for Choctaw County, Clarke County, Alabama. It was in force for 39 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: Jan 21, 2017, 5:06 AM CST (11:06 UTC)
Expired: Jan 21, 2017, 5:45 AM CST
In force: 39 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Damage threat: Considerable
Hail: 0.75 in

Counties Choctaw County, AL, Clarke County, AL

The radar

The Mobile radar (KMOB), 144 km from the middle of the area, began a volume at 11:06 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, 5:14 AM CST	TSTM WND DMG	4 Ese Toxey, AL	REPORTS OF TREES AND POWER LINES DOWN ON PARTS OF CHAPEL HILL ROAD AND PLEASANT HILL ROAD. ALSO SOME STRUCTURAL DAMAGE REPORTED BUT EXTENT OF THE DAMAGE NOT KNOWN AT THIS TIME. POSSIBLE TORNADO.
Jan 21, 5:14 AM CST	TORNADO 2	3 Se Gilbertown, AL	* 4 INJ * THE TORNADO FIRST TOUCHED DOWN ON CLARK ROAD AND CONTINUED 15 MILES TO THE NORTHEAST TO THE CHOCTAW AND MARENGO COUNTY LINE. 4 HOMES WERE DESTROYED, INCLUDING 2 MOBILE HOMES. ANOTHER 20 STRUCTURES EXPERIENCED VARYING DEGREES OF DAMAGE, SOME OF WH
Jan 21, 5:14 AM CST	TORNADO	4 Ese Toxey, AL	* 1 INJ * LIKELY TORNADO PRODUCED SIGNIFICANT TREE AND POWER LINE DAMAGE ACROSS CHAPEL HILL ROAD AND PLEASANT HILL ROAD AREAS. DAMAGE TO AT LEAST 2 RESIDENCES WITH OTHER STRUCTURAL DAMAGE. EMA STILL ASSESSING DAMAGE. 1 MINOR INJURY REPORTED.
Jan 21, 5:14 AM CST	TORNADO	4 Ese Toxey, AL	* 4 INJ * LIKELY TORNADO PRODUCED MAJOR TREE AND POWER LINE DAMAGE ACROSS CHAPEL HILL ROAD AND PLEASANT HILL ROAD AREAS. DAMAGE TO 20-25 RESIDENCES SOME WITH MAJOR DAMAGE. 4 MINOR INJURIES HAVE BEEN REPORTED.
Jan 21, 5:29 AM CST	TORNADO	5 Wsw Putnam, AL	A TORNADO CONTINUED FROM CHOCTAW COUNTY INTO SOUTHEASTERN MARENGO COUNTY. THE TORNADO CROSSED THE RIVER AND ENDED NEAR PUTNAM. THE DAMAGE WAS CONSISTENT WITH EF1 WIND DAMAGE. THE DAMAGE WAS RATED AN EF2 IN CHOCTAW COUNTY. .
Jan 21, 5:31 AM CST	TORNADO	5 Wsw Putnam, AL	A TORNADO CONTINUED FROM CHOCTAW COUNTY INTO SOUTHEASTERN MARENGO COUNTY. THE TORNADO CROSSED THE RIVER AND ENDED NEAR PUTNAM. THE DAMAGE WAS CONSISTENT WITH EF1 WIND DAMAGE. THE DAMAGE WAS RATED AN EF2 IN CHOCTAW COUNTY. .

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
Jan 21, 3:56 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 11.1 hours before the alert went out and 184 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

472 
WFUS54 KMOB 211106
TORMOB
ALC023-025-211145-
/O.NEW.KMOB.TO.W.0010.170121T1106Z-170121T1145Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southern Choctaw County in southwestern Alabama...
  Northwestern Clarke County in southwestern Alabama...

* Until 545 AM CST
    
* At 506 AM CST, a large and extremely dangerous tornado was located
  near Silas, or 18 miles northeast of Waynesboro, moving northeast
  at 55 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...Damaging tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible. 

* The tornado will be near...
  Gilbertown around 510 AM CST. 
  Toxey around 515 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3209 8804 3206 8807 3207 8810 3205 8812
      3202 8812 3199 8810 3201 8809 3199 8807
      3199 8767 3192 8767 3170 8834 3170 8840
      3182 8847 3186 8847 3212 8805
TIME...MOT...LOC 1106Z 237DEG 46KT 3181 8837 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

2 follow-up statements

888 
WWUS54 KMOB 211118
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
518 AM CST SAT JAN 21 2017

ALC023-025-211145-
/O.CON.KMOB.TO.W.0010.000000T0000Z-170121T1145Z/
Choctaw AL-Clarke AL-
518 AM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CST FOR CENTRAL
CHOCTAW AND NORTHWESTERN CLARKE COUNTIES...
    
At 518 AM CST, a large and extremely dangerous tornado was located
near Toxey, or 12 miles south of Butler, moving northeast at 50 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

This tornadic thunderstorm will remain over mainly rural areas of
central Choctaw and northwestern Clarke Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3209 8804 3206 8807 3207 8810 3205 8812
      3202 8812 3199 8810 3201 8809 3199 8807
      3199 8767 3196 8776 3183 8819 3182 8828
      3189 8833 3196 8832 3212 8805
TIME...MOT...LOC 1118Z 237DEG 43KT 3190 8823 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

402 
WWUS54 KMOB 211138
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
538 AM CST SAT JAN 21 2017

ALC023-025-211148-
/O.EXP.KMOB.TO.W.0010.000000T0000Z-170121T1145Z/
Choctaw AL-Clarke AL-
538 AM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR CENTRAL CHOCTAW AND NORTHWESTERN CLARKE
COUNTIES WILL EXPIRE AT 545 AM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 1100 AM CST for southwestern
Alabama.

LAT...LON 3209 8804 3206 8807 3207 8810 3205 8812
      3202 8812 3199 8810 3201 8809 3199 8807
      3199 8767 3196 8776 3183 8819 3182 8828
      3189 8833 3196 8832 3212 8805
TIME...MOT...LOC 1138Z 237DEG 46KT 3203 8799 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 20, 8:47 PM CST	River Flood Warning	MOB	Escambia	25 hr
Jan 20, 8:48 PM CST	River Flood Warning	MOB	Covington, Escambia	3 days
Jan 20, 10:18 PM CST	Rip Current Statement	MOB	Baldwin, Mobile	56 hr
Jan 21, 1:56 AM CST	Special Weather Statement	MOB	Clarke	34 min
Jan 21, 2:16 AM CST	Special Weather Statement	MOB	Clarke	44 min
Jan 21, 2:31 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	44 min
Jan 21, 3:12 AM CST	Special Weather Statement	MOB	Wilcox	48 min
Jan 21, 3:37 AM CST	Special Weather Statement	MOB	Choctaw	38 min
Jan 21, 4:24 AM CST	Tornado Warning	MOB	Choctaw, Washington	51 min
Jan 21, 4:52 AM CST	Tornado Warning	MOB	Choctaw	38 min
Jan 21, 5:45 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	34 min
Jan 21, 7:02 AM CST	Tornado Warning	MOB	Mobile	22 min
Jan 21, 7:07 AM CST	Special Weather Statement	MOB	Conecuh	38 min
Jan 21, 7:22 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	38 min
Jan 21, 7:28 AM CST	Wind Advisory	MOB	Baldwin, Mobile	4 hr
Jan 21, 7:32 AM CST	Special Marine Warning	MOB		58 min
Jan 21, 7:36 AM CST	Special Weather Statement	MOB	Conecuh, Escambia, Monroe	54 min
Jan 21, 8:18 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw	42 min
Jan 21, 8:27 AM CST	Special Marine Warning	MOB		63 min
Jan 21, 9:14 AM CST	Special Weather Statement	MOB	Covington	91 min
Jan 21, 9:21 AM CST	Severe Thunderstorm Warning	MOB	Covington	39 min
Jan 21, 9:28 AM CST	Special Marine Warning	MOB		92 min
Jan 21, 10:57 AM CST	Special Marine Warning	MOB		48 min
Jan 21, 3:50 PM CST	Gale Warning	MOB		41 hr

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.