Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 67, NWS Mobile, AL

October 22, 2017Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2017, 1:01 PM CDT for Baldwin County, Alabama. It was in force for 29 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: Oct 22, 2017, 1:01 PM CDT (18:01 UTC)
Expired: Oct 22, 2017, 1:30 PM CDT
In force: 29 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 18:04 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.0 hours before the alert went out and 313 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: 72 J/kg
Mixed-layer CIN: -332 J/kg
Mixed-layer LCL: 1526 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

902 
WFUS54 KMOB 221801
TORMOB
ALC003-221830-
/O.NEW.KMOB.TO.W.0067.171022T1801Z-171022T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
101 PM CDT SUN OCT 22 2017

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  South central Baldwin County in southwestern Alabama...

* Until 130 PM CDT

* At 101 PM CDT, a confirmed tornado was located near Foley, moving
  north at 15 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Fire Department confirmed tornado. 

  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. 

* The tornado will be near...
  Elberta around 110 PM CDT. 
  Foley around 115 PM CDT. 
  Summerdale around 130 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 3036 8758 3032 8768 3050 8780 3056 8757
TIME...MOT...LOC 1801Z 168DEG 11KT 3037 8764 

TORNADO...OBSERVED
HAIL...0.00IN

$$

1 follow-up statement

783 
WWUS54 KMOB 221833
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
133 PM CDT SUN OCT 22 2017

ALC003-221843-
/O.EXP.KMOB.TO.W.0067.000000T0000Z-171022T1830Z/
Baldwin AL-
133 PM CDT SUN OCT 22 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL BALDWIN COUNTY HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been allowed to expire.

LAT...LON 3036 8758 3032 8768 3050 8780 3056 8757
TIME...MOT...LOC 1833Z 168DEG 11KT 3047 8766 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 22, 11:28 AM CDT	Special Weather Statement	MOB	Mobile	47 min
Oct 22, 12:19 PM CDT	Flash Flood Warning	MOB	Mobile	2 hr
Oct 22, 12:47 PM CDT	Areal Flood Advisory	MOB	Mobile	118 min
Oct 22, 1:00 PM CDT	Tornado Warning Tornado observed	MOB	Baldwin	2 min
Oct 22, 1:36 PM CDT	Tornado Warning	MOB	Baldwin	24 min
Oct 22, 1:39 PM CDT	Tornado Warning	MOB	Baldwin	34 min
Oct 22, 1:59 PM CDT	Flash Flood Warning	MOB	Mobile	3 hr
Oct 22, 2:05 PM CDT	Special Marine Warning	MOB		55 min
Oct 22, 2:11 PM CDT	Tornado Warning	MOB	Baldwin	49 min
Oct 22, 2:39 PM CDT	Tornado Warning	MOB	Baldwin	36 min
Oct 22, 2:41 PM CDT	Tornado Warning	MOB	Baldwin	23 min
Oct 22, 3:01 PM CDT	Special Marine Warning	MOB		44 min
Oct 22, 3:22 PM CDT	Areal Flood Warning	MOB	Mobile	3 hr
Oct 22, 3:35 PM CDT	Areal Flood Advisory	MOB	Baldwin, Escambia	3 hr
Oct 22, 3:38 PM CDT	Areal Flood Advisory	MOB	Baldwin, Mobile	3 hr
Oct 22, 3:52 PM CDT	Special Marine Warning	MOB		23 min
Oct 22, 3:58 PM CDT	Tornado Warning Tornado observed	MOB	Baldwin	47 min
Oct 22, 4:25 PM CDT	Areal Flood Warning	MOB	Baldwin, Mobile	6 hr
Oct 22, 4:34 PM CDT	Special Marine Warning	MOB		56 min
Oct 22, 5:06 PM CDT	Areal Flood Advisory	MOB	Mobile	114 min
Oct 22, 5:15 PM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	6 hr
Oct 22, 5:29 PM CDT	Special Marine Warning	MOB		61 min
Oct 22, 5:31 PM CDT	Areal Flood Advisory	MOB	Butler, Conecuh, Escambia	3 hr
Oct 22, 5:47 PM CDT	River Flood Warning	MOB	Baldwin	60 hr
Oct 22, 5:48 PM CDT	River Flood Warning	MOB	Baldwin	31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.