Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 71, NWS Mobile, AL

October 22, 2017Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2017, 2:39 PM CDT for Baldwin County, Alabama. It was in force for 36 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: Oct 22, 2017, 2:39 PM CDT (19:39 UTC)
Expired: Oct 22, 2017, 3:15 PM CDT
In force: 36 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 72 km from the middle of the area, began a volume at 19:41 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
Oct 22, 2:59 PM CDT	TORNADO	2 Ene Oak, AL	SPOTTERS AND 911 CALL CENTER CONFIRMED A TORNADO NEAR THE FOLEY BEACH EXPRESSWAY AND COUNTY ROAD 8.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.7 hours before the alert went out and 319 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: 845 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

950 
WFUS54 KMOB 221939
TORMOB
ALC003-222015-
/O.NEW.KMOB.TO.W.0071.171022T1939Z-171022T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
239 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 315 PM CDT
    
* At 238 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Orange Beach, moving north at 15 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. 

* This dangerous storm will be near...
  Elberta around 305 PM CDT. 
  Foley around 310 PM CDT. 

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 3025 8755 3023 8766 3040 8777 3045 8757
TIME...MOT...LOC 1938Z 164DEG 15KT 3029 8763 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

1 follow-up statement

218 
WWUS54 KMOB 221958
SVSMOB

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

ALC003-222015-
/O.CON.KMOB.TO.W.0071.000000T0000Z-171022T2015Z/
Baldwin AL-
258 PM CDT SUN OCT 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR SOUTH
CENTRAL BALDWIN COUNTY...
    
At 258 PM CDT, a confirmed tornado was located 4 miles northeast of
Bon Secour, or 4 miles south of Foley, moving northwest at 15 mph.

HAZARD...Damaging tornado. 

SOURCE...Law enforcement 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. 

This tornado will be near...
  Foley around 315 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3031 8762 3029 8769 3040 8777 3044 8763
TIME...MOT...LOC 1958Z 149DEG 15KT 3035 8767 

TORNADO...OBSERVED
HAIL...0.00IN

$$

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, 1:01 PM CDT	Tornado Warning Tornado observed	MOB	Baldwin	29 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, 2:41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.