Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 15, NWS Mobile, AL

November 18, 2015Escambia County, Florida; Baldwin County, Escambia County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 18, 2015, 3:38 AM CST for Escambia County, Florida; Baldwin County, Escambia County, Alabama. It was in force for 13 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
Nov 18, 2015, 3:38 AM CST (09:38 UTC)
Expired
Nov 18, 2015, 3:51 AM CST
In force
13 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Baldwin County, AL, Escambia County, AL, Escambia County, FL

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 09:39 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 watch it was issued in

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

IssuedProductOfficeLasted
Nov 18, 2:49 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.6 hours before the alert went out and 222 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 00:00Z on 2015-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 684 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2015-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 388 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
684 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
388 m²/s²
0-3 km storm-relative helicity
479 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

653 
WFUS54 KMOB 180938
TORMOB
ALC003-053-FLC033-181030-
/O.NEW.KMOB.TO.W.0015.151118T0938Z-151118T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
338 AM CST WED NOV 18 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHWESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHWESTERN ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 430 AM CST
    
* AT 338 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 12 MILES SOUTHWEST OF MOLINO...MOVING NORTH AT
  30 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...
  ATMORE AROUND 425 AM CST.
  I65 AND CR 1...I65 AND AL 21 AND POARCH CREEK RESERVATION AROUND
  430 AM CST.

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 3056 8739 3056 8760 3117 8765 3117 8733
TIME...MOT...LOC 0938Z 180DEG 26KT 3065 8750 

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

$$
1 follow-up statement
078 
WWUS54 KMOB 180951
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
351 AM CST WED NOV 18 2015

ALC003-053-FLC033-180959-
/O.CAN.KMOB.TO.W.0015.000000T0000Z-151118T1030Z/
BALDWIN AL-ESCAMBIA AL-ESCAMBIA FL-
351 AM CST WED NOV 18 2015

...THE TORNADO WARNING FOR NORTHEASTERN BALDWIN...SOUTHWESTERN
ESCAMBIA AND NORTHWESTERN ESCAMBIA COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS
WEAKENED. THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CST FOR SOUTHWESTERN
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3056 8739 3056 8760 3117 8765 3117 8733
TIME...MOT...LOC 0948Z 180DEG 26KT 3074 8750 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 1:27 AM CSTSpecial Weather StatementMOBEscambia63 min
Nov 18, 1:36 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa39 min
Nov 18, 2:07 AM CSTSpecial Weather StatementMOBEscambia53 min
Nov 18, 3:37 AM CSTSevere Thunderstorm WarningMOBEscambia38 min
Nov 18, 4:36 AM CSTSpecial Weather StatementMOBEscambia54 min
Nov 18, 5:44 AM CSTSpecial Weather StatementMOBEscambia, Santa Rosa61 min
Nov 18, 6:52 AM CSTCoastal Flood AdvisoryMOBEscambia, Okaloosa, Santa Rosa11 hr
Nov 18, 6:53 AM CSTSpecial Weather StatementMOBOkaloosa67 min
Nov 18, 7:00 AM CSTSpecial Weather StatementMOBOkaloosa60 min
Nov 18, 7:07 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa13 min
Nov 18, 7:50 AM CSTSevere Thunderstorm WarningMOBOkaloosa40 min
Nov 18, 8:57 AM CSTSpecial Weather StatementMOBOkaloosa63 min
Nov 18, 9:09 AM CSTSevere Thunderstorm WarningMOBOkaloosa51 min
Nov 18, 10:45 AM CSTTornado WarningMOBOkaloosa30 min
Nov 18, 10:57 AM CSTSevere Thunderstorm WarningMOBEscambia48 min
Nov 18, 11:41 AM CSTTornado WarningMOBOkaloosa30 min
Nov 18, 11:43 AM CSTSpecial Weather StatementMOBEscambia47 min
Nov 18, 12:29 PM CSTSpecial Weather StatementMOBSanta Rosa61 min
Nov 18, 1:16 AM CSTSpecial Marine WarningMOB89 min
Nov 18, 1:57 AM CSTSpecial Marine WarningMOB93 min
Nov 18, 3:10 AM CSTSpecial Weather StatementMOBBaldwin65 min
Nov 18, 3:56 AM CSTSpecial Weather StatementMOBBaldwin64 min
Nov 18, 4:21 AM CSTSpecial Weather StatementMOBEscambia54 min
Nov 18, 4:42 AM CSTSpecial Marine WarningMOB93 min
Nov 18, 6:32 AM CSTSpecial Weather StatementMOBMobile, Washington58 min
Nov 18, 7:02 AM CSTSpecial Marine WarningMOB88 min
Nov 18, 7:25 AM CSTSpecial Weather StatementMOBClarke, Mobile, Washington65 min
Nov 18, 8:23 AM CSTSevere Thunderstorm WarningMOBMobile52 min
Nov 18, 8:35 AM CSTSpecial Weather StatementMOBCovington55 min
Nov 18, 8:45 AM CSTSpecial Marine WarningMOB60 min
Nov 18, 8:52 AM CSTSpecial Weather StatementMOBButler, Conecuh53 min
Nov 18, 9:32 AM CSTSpecial Weather StatementMOBCovington58 min
Nov 18, 9:42 AM CSTSpecial Marine WarningMOB63 min
Nov 18, 9:57 AM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington24 hr
Nov 18, 9:59 AM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington24 hr
Nov 18, 10:06 AM CSTSpecial Weather StatementMOBCovington54 min
Nov 18, 10:28 AM CSTSpecial Marine WarningMOB62 min
Nov 18, 10:43 AM CSTSpecial Marine WarningMOB62 min
Nov 18, 10:57 AM CSTSpecial Marine WarningMOB93 min
Nov 18, 11:25 AM CSTSpecial Marine WarningMOB65 min
Nov 18, 11:52 AM CSTSpecial Marine WarningMOB38 min
Nov 18, 12:23 PM CSTSpecial Weather StatementMOBCrenshaw52 min
Nov 18, 12:32 PM CSTSpecial Marine WarningMOB88 min
Nov 18, 2:23 PM CSTSpecial Marine WarningMOB52 min

Nearby

Tornado Warnings in Alabama, 2015Tornado Warnings in Florida, 2015Every tornado warning in 2015Tornadoes in 2015

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.