Alert archive / Alabama / Tornado Warnings in 2019

Tornado Warning 44, NWS Mobile, AL

October 30, 2019Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 30, 2019, 12:24 PM CDT for Mobile County, Alabama. It was in force for 15 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 30, 2019, 12:24 PM CDT (17:24 UTC)
Expired
Oct 30, 2019, 12:39 PM CDT
In force
15 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Mobile County, AL

The radar

The Mobile radar (KMOB), 48 km from the middle of the area, began a volume at 17:27 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.4 hours before the alert went out and 154 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, Slidell Radar S, LA at 12:00Z on 2019-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1259 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, Slidell Radar S, LA at 12:00Z on 2019-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.193958Sfc1 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
1259 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted.

450 
WFUS54 KMOB 301724
TORMOB
ALC097-301800-
/O.NEW.KMOB.TO.W.0044.191030T1724Z-191030T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1224 PM CDT Wed Oct 30 2019

The National Weather Service in Mobile has issued a

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

* Until 100 PM CDT.

* At 1223 PM CDT, a possible waterspout was located just offshore 
  over Dauphin Island, moving northeast at 30 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 remain over mainly rural areas of south central
  Mobile 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.

If on or near Dauphin Island, get away from the water and move to 
safe shelter immediately. If you can hear thunder, you are close 
enough to be struck by lightning. Severe thunderstorms can produce 
large capsizing waves, even on small bodies of water. Move into dock 
and seek safe shelter now! Do not be caught on the water in a 
thunderstorm.

&&

LAT...LON 3022 8821 3038 8805 3028 8795 3022 8806
TIME...MOT...LOC 1723Z 233DEG 28KT 3022 8813 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Black
2 follow-up statements
844 
WFUS54 KMOB 301729 CCA
TORMOB
ALC097-301800-
/O.COR.KMOB.TO.W.0044.191030T1724Z-191030T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1229 PM CDT Wed Oct 30 2019

The National Weather Service in Mobile has issued a

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

* Until 100 PM CDT.

* At 1228 PM CDT, A waterspout was possible near Dauphin Island, 
  moving northeast 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.

* Locations impacted include...
  Dauphin Island.

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 on or near Dauphin Island, get away from the water and move to 
safe shelter immediately. If you can hear thunder, you are close 
enough to be struck by lightning. Severe thunderstorms can produce 
large capsizing waves, even on small bodies of water. Move into dock 
and seek safe shelter now! Do not be caught on the water in a 
thunderstorm.

&&

LAT...LON 3022 8821 3038 8805 3028 8795 3022 8806
TIME...MOT...LOC 1728Z 233DEG 14KT 3022 8813 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Black
423 
WWUS54 KMOB 301739
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1239 PM CDT Wed Oct 30 2019

ALC097-301748-
/O.CAN.KMOB.TO.W.0044.000000T0000Z-191030T1800Z/
Mobile AL-
1239 PM CDT Wed Oct 30 2019

...THE TORNADO WARNING FOR SOUTH CENTRAL MOBILE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

LAT...LON 3022 8821 3038 8805 3028 8795 3022 8806
TIME...MOT...LOC 1735Z 233DEG 14KT 3024 8809 

$$
Black

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 1:47 AM CDTSpecial Marine WarningMOB88 min
Oct 30, 2:15 AM CDTSpecial Marine WarningMOB90 min
Oct 30, 2:28 AM CDTSevere Thunderstorm WarningMOBMobile62 min
Oct 30, 2:31 AM CDTSpecial Marine WarningMOB69 min
Oct 30, 2:53 AM CDTTornado WarningMOBMobile7 min
Oct 30, 3:06 AM CDTSevere Thunderstorm WarningMOBMobile54 min
Oct 30, 3:09 AM CDTSpecial Marine WarningMOB2 hr
Oct 30, 3:14 AM CDTSpecial Marine WarningMOB29 min
Oct 30, 3:29 AM CDTSevere Thunderstorm WarningMOBMobile40 min
Oct 30, 3:51 AM CDTSpecial Marine WarningMOB114 min
Oct 30, 4:35 AM CDTRip Current StatementMOBBaldwin, Mobile38 hr
Oct 30, 5:26 AM CDTSpecial Marine WarningMOB94 min
Oct 30, 6:37 AM CDTSpecial Marine WarningMOB2 hr
Oct 30, 7:27 AM CDTSpecial Marine WarningMOB93 min
Oct 30, 7:50 AM CDTSevere Thunderstorm WarningMOBMobile55 min
Oct 30, 8:06 AM CDTSpecial Marine WarningMOB54 min
Oct 30, 8:42 AM CDTSpecial Weather StatementMOBMobile48 min
Oct 30, 8:45 AM CDTSpecial Marine WarningMOB90 min
Oct 30, 9:18 AM CDTSpecial Marine WarningMOB27 min
Oct 30, 9:29 AM CDTSpecial Weather StatementMOBMobile46 min
Oct 30, 9:40 AM CDTAreal Flood AdvisoryMOBMobile2 hr
Oct 30, 10:35 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington6 days
Oct 30, 10:35 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington21 days
Oct 30, 10:45 AM CDTSpecial Marine WarningMOB60 min
Oct 30, 11:34 AM CDTSpecial Marine WarningMOB26 min
Oct 30, 12:09 PM CDTSpecial Marine WarningMOB36 min
Oct 30, 12:13 PM CDTSpecial Marine WarningMOB32 min
Oct 30, 12:16 PM CDTSpecial Weather StatementMOBMobile44 min
Oct 30, 12:53 PM CDTSpecial Marine WarningMOB97 min
Oct 30, 1:12 PM CDTSpecial Marine WarningMOB35 min
Oct 30, 1:41 PM CDTSpecial Marine WarningMOB10 min
Oct 30, 1:57 PM CDTSpecial Marine WarningMOB69 min
Oct 30, 2:43 PM CDTAreal Flood AdvisoryMOBMobile6 hr
Oct 30, 3:01 PM CDTSpecial Weather StatementMOBMobile59 min
Oct 30, 3:18 PM CDTSpecial Marine WarningMOB87 min
Oct 30, 3:18 PM CDTSmall Craft AdvisoryMOB45 hr
Oct 30, 3:29 PM CDTSpecial Marine WarningMOB61 min
Oct 30, 3:37 PM CDTFlash Flood WarningMOBBaldwin, Clarke, Mobile6 hr
Oct 30, 3:51 PM CDTSpecial Weather StatementMOBBaldwin54 min
Oct 30, 4:29 PM CDTSpecial Marine WarningMOB91 min
Oct 30, 5:11 PM CDTSpecial Marine WarningMOB94 min
Oct 30, 5:16 PM CDTSpecial Marine WarningMOB29 min
Oct 30, 5:17 PM CDTSpecial Weather StatementMOBBaldwin43 min
Oct 30, 5:21 PM CDTSpecial Marine WarningMOB84 min
Oct 30, 6:17 PM CDTFlash Flood WarningMOBEscambia6 hr
Oct 30, 6:46 PM CDTSpecial Marine WarningMOB89 min

Nearby

Tornado Warnings in Alabama, 2019Every tornado warning in 2019Tornadoes in 2019

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.