Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 73, NWS Mobile, AL

October 22, 2017Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2017, 3:58 PM CDT for Baldwin County, Alabama. It was in force for 47 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, 3:58 PM CDT (20:58 UTC)
Expired
Oct 22, 2017, 4:45 PM CDT
In force
47 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), 63 km from the middle of the area, began a volume at 21:00 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

TimeReportWhereRemark
Oct 22, 4:34 PM CDTFUNNEL CLOUD3 Nnw Bon Secour, ALWALL CLOUD WITH POSSIBLE FUNNEL SEEN BY TRAINED SKYWARN SPOTTER SOUTH OF MAGNOLIA SPRINGS MOVING NORTH.

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

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 315 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.

217 
WFUS54 KMOB 222058
TORMOB
ALC003-222145-
/O.NEW.KMOB.TO.W.0073.171022T2058Z-171022T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
358 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 445 PM CDT

* At 358 PM CDT, a confirmed waterspout was located just offshore
  over Gulf Shores, moving north at 10 mph.

  HAZARD...Tornado. 

  SOURCE...Weather spotters confirmed waterspout moving onshore. 

  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...
  Gulf Shores around 405 PM CDT. 
  Bon Secour around 430 PM CDT. 
  Foley and Magnolia Springs around 445 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 3022 8778 3043 8782 3043 8766 3022 8769
TIME...MOT...LOC 2058Z 180DEG 11KT 3023 8773 

TORNADO...OBSERVED
HAIL...0.00IN

$$
2 follow-up statements
994 
WWUS54 KMOB 222114
SVSMOB

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

ALC003-222145-
/O.CON.KMOB.TO.W.0073.000000T0000Z-171022T2145Z/
Baldwin AL-
414 PM CDT SUN OCT 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTH
CENTRAL BALDWIN COUNTY...
    
At 414 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bon Secour, or near Gulf Shores, 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...
  Bon Secour around 425 PM CDT. 
  Foley and Magnolia Springs around 445 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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3025 8778 3043 8782 3043 8766 3026 8771
TIME...MOT...LOC 2114Z 169DEG 12KT 3027 8774 

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

$$
431 
WWUS54 KMOB 222135
SVSMOB

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

ALC003-222145-
/O.CON.KMOB.TO.W.0073.000000T0000Z-171022T2145Z/
Baldwin AL-
435 PM CDT SUN OCT 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTH
CENTRAL BALDWIN COUNTY...
    
At 434 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bon Secour, or 6 miles southwest of Foley, 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...
  Foley and Magnolia Springs around 445 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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3030 8777 3043 8780 3043 8767 3030 8771
TIME...MOT...LOC 2134Z 180DEG 11KT 3033 8774 

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, 2:11 PM CDTTornado WarningMOBBaldwin49 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.