Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 23, NWS Mobile, AL

November 1, 2018Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 1, 2018, 7:03 AM CDT for Baldwin County, Mobile County, Alabama. It was in force for 27 min. 4 reports 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
Nov 1, 2018, 7:03 AM CDT (12:03 UTC)
Expired
Nov 1, 2018, 7:30 AM CDT
In force
27 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Baldwin County, AL, Mobile County, AL

The radar

The Mobile radar (KMOB), 10 km from the middle of the area, began a volume at 12:06 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
Nov 1, 7:06 AM CDTTSTM WND DMG2 S Dawes, ALAN NWS STORM SURVEY FOUND SPORADIC DAMAGE CONSISTENT WITH 60 TO 70 MPH STRAIGHT LINE WINDS SOUTH OF THREE NOTCH ROAD BETWEEN AIRPORT RD AND MCDONALD RD. A FEW HOMES IN THE DAWES OAK SUBDIVISION HAD SHINGLE DAMAGE WITH NUMEROUS FENCES DAMAGED. SPORADIC, MOSTLY
Nov 1, 7:07 AM CDTTSTM WND DMGDawes, ALREPORT OF TOPPED TREES NEAR THREE NOTCH RD AND FENCES BLOWN OVER. LARGE GARAGE DOOR BLOWN IN.
Nov 1, 7:09 AM CDTTSTM WND DMG2 N Tillmans Corner, ALAN NWS STORM SURVEY FOUND DAMAGE CONSISTENT WITH STRAIGHT LINE WINDS OF 60 TO 70 MPH IN THE LANSDOWNE AND VISTA RIDGE AREAS NEAR KNOLLWOOD DR AND GOVERNMENT BLVD. SEVERAL SMALL BRANCHES AND A FEW LARGE BRANCHES WERE DOWNED. A FEW HOMES ALSO HAD MINOR SHINGLE D
Nov 1, 7:09 AM CDTTSTM WND DMGTillmans Corner, ALMULTIPLE REPORTS OF TREES AND BRANCHES DOWN ALONG THE KNOLLWOOD, LANSDOWNE, AND VISTA RIDGE AREAS NEAR TILLMANS CORNER. REPORTS, PICTURES, AND VIDEOS VIA SOCIAL MEDIA.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 1, 5:27 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 0.1 hours before the alert went out and 153 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 2018-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

798 
WFUS54 KMOB 011203
TORMOB
ALC003-097-011230-
/O.NEW.KMOB.TO.W.0023.181101T1203Z-181101T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
703 AM CDT THU NOV 1 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Mobile County in southwestern Alabama...
  Western Baldwin County in southwestern Alabama...

* Until 730 AM CDT.
    
* At 703 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles west of Tillmans Corner, moving northeast at 50
  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...
  Midtown Mobile and I10 And I65 around 715 AM CDT.
  Downtown Mobile around 720 AM 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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3060 8831 3075 8800 3061 8793 3055 8828
TIME...MOT...LOC 1203Z 245DEG 44KT 3059 8826 

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

$$
1 follow-up statement
181 
WWUS54 KMOB 011218
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
718 AM CDT THU NOV 1 2018

ALC003-097-011230-
/O.CON.KMOB.TO.W.0023.000000T0000Z-181101T1230Z/
Mobile AL-Baldwin AL-
718 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR CENTRAL
MOBILE AND WESTERN BALDWIN COUNTIES...
    
At 717 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Downtown Mobile, moving northeast at 50 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
central Mobile and western Baldwin Counties.

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 3067 8816 3075 8800 3061 8793 3058 8811
TIME...MOT...LOC 1217Z 245DEG 44KT 3067 8807 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 6:19 AM CDTSevere Thunderstorm WarningMOBMobile, Washington41 min
Nov 1, 6:29 AM CDTTornado WarningMOBWashington46 min
Nov 1, 6:33 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington42 min
Nov 1, 6:46 AM CDTSpecial Marine WarningMOB89 min
Nov 1, 6:50 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington40 min
Nov 1, 7:02 AM CDTTornado WarningMOBChoctaw, Clarke31 min
Nov 1, 7:13 AM CDTAreal Flood AdvisoryMOBMobile3 hr
Nov 1, 7:15 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Monroe, Washington45 min
Nov 1, 7:25 AM CDTTornado WarningMOBBaldwin35 min
Nov 1, 7:30 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe45 min
Nov 1, 8:00 AM CDTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox45 min
Nov 1, 8:03 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Nov 1, 8:03 AM CDTSevere Thunderstorm WarningMOBEscambia42 min
Nov 1, 8:07 AM CDTSevere Thunderstorm WarningMOBBaldwin38 min
Nov 1, 8:11 AM CDTSpecial Marine WarningMOB94 min
Nov 1, 8:39 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia51 min
Nov 1, 8:43 AM CDTSpecial Weather StatementMOBButler, Conecuh47 min
Nov 1, 9:02 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Nov 1, 9:14 AM CDTSpecial Marine WarningMOB91 min
Nov 1, 9:20 AM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw40 min
Nov 1, 9:34 AM CDTSpecial Weather StatementMOBCrenshaw41 min
Nov 1, 9:43 AM CDTSpecial Marine WarningMOB92 min
Nov 1, 9:55 AM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw35 min
Nov 1, 9:58 AM CDTSpecial Weather StatementMOBCovington47 min
Nov 1, 10:42 AM CDTSpecial Marine WarningMOB93 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes in 2018

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.