Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 70, NWS Mobile, AL

October 22, 2017Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2017, 2:11 PM CDT for Baldwin County, Alabama. It was in force for 49 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, 2:11 PM CDT (19:11 UTC)
Expired
Oct 22, 2017, 3:00 PM CDT
In force
49 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), 44 km from the middle of the area, began a volume at 19:11 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, 7.2 hours before the alert went out and 293 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2017-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2017-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

159 
WFUS54 KMOB 221911
TORMOB
ALC003-222000-
/O.NEW.KMOB.TO.W.0070.171022T1911Z-171022T2000Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southwestern Baldwin County in southwestern Alabama...

* Until 300 PM CDT
    
* At 211 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles southeast of Fairhope, moving north at 10 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...
  Daphne around 300 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.

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 3045 8777 3044 8786 3062 8793 3064 8776
TIME...MOT...LOC 1911Z 172DEG 9KT 3048 8783 

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

$$
2 follow-up statements
664 
WWUS54 KMOB 221926
SVSMOB

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

ALC003-222000-
/O.CON.KMOB.TO.W.0070.000000T0000Z-171022T2000Z/
Baldwin AL-
226 PM CDT SUN OCT 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHWESTERN BALDWIN COUNTY...
    
At 226 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairhope, 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...
  Daphne around 250 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.

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 3059 8792 3061 8792 3063 8779 3048 8781
      3047 8786
TIME...MOT...LOC 1926Z 171DEG 13KT 3053 8784 

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

$$
184 
WWUS54 KMOB 221945
SVSMOB

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

ALC003-222000-
/O.CON.KMOB.TO.W.0070.000000T0000Z-171022T2000Z/
Baldwin AL-
245 PM CDT SUN OCT 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHWESTERN BALDWIN COUNTY...
    
At 244 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Loxley, moving north at 20 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 tornadic thunderstorm will remain over mainly rural areas of
southwestern Baldwin 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.

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

&&

LAT...LON 3053 8780 3053 8784 3062 8789 3063 8779
TIME...MOT...LOC 1944Z 181DEG 19KT 3060 8781 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 11:28 AM CDTSpecial Weather StatementMOBMobile47 min
Oct 22, 12:19 PM CDTFlash Flood WarningMOBMobile2 hr
Oct 22, 12:47 PM CDTAreal Flood AdvisoryMOBMobile118 min
Oct 22, 1:00 PM CDTTornado Warning Tornado observedMOBBaldwin2 min
Oct 22, 1:01 PM CDTTornado Warning Tornado observedMOBBaldwin29 min
Oct 22, 1:36 PM CDTTornado WarningMOBBaldwin24 min
Oct 22, 1:39 PM CDTTornado WarningMOBBaldwin34 min
Oct 22, 1:59 PM CDTFlash Flood WarningMOBMobile3 hr
Oct 22, 2:05 PM CDTSpecial Marine WarningMOB55 min
Oct 22, 2:39 PM CDTTornado WarningMOBBaldwin36 min
Oct 22, 2:41 PM CDTTornado WarningMOBBaldwin23 min
Oct 22, 3:01 PM CDTSpecial Marine WarningMOB44 min
Oct 22, 3:22 PM CDTAreal Flood WarningMOBMobile3 hr
Oct 22, 3:35 PM CDTAreal Flood AdvisoryMOBBaldwin, Escambia3 hr
Oct 22, 3:38 PM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Oct 22, 3:52 PM CDTSpecial Marine WarningMOB23 min
Oct 22, 3:58 PM CDTTornado Warning Tornado observedMOBBaldwin47 min
Oct 22, 4:25 PM CDTAreal Flood WarningMOBBaldwin, Mobile6 hr
Oct 22, 4:34 PM CDTSpecial Marine WarningMOB56 min
Oct 22, 5:06 PM CDTAreal Flood AdvisoryMOBMobile114 min
Oct 22, 5:15 PM CDTFlash Flood WarningMOBBaldwin, Mobile6 hr
Oct 22, 5:29 PM CDTSpecial Marine WarningMOB61 min
Oct 22, 5:31 PM CDTAreal Flood AdvisoryMOBButler, Conecuh, Escambia3 hr
Oct 22, 5:47 PM CDTRiver Flood WarningMOBBaldwin60 hr
Oct 22, 5:48 PM CDTRiver Flood WarningMOBBaldwin31 hr

Nearby

Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes 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.