Alert archive / Alabama / Tornado Warnings in 2009

Tornado Warning 25, NWS Mobile, AL

March 31, 2009Baldwin County, Escambia County, Alabama; Escambia County, Florida

NWS Mobile, AL issued this tornado warning at Mar 31, 2009, 1:25 PM CDT for Baldwin County, Escambia County, Alabama; Escambia County, Florida. It was in force for 65 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
Mar 31, 2009, 1:25 PM CDT (18:25 UTC)
Expired
Mar 31, 2009, 2:30 PM CDT
In force
65 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

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

The radar

The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 18:26 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
Mar 31, 1:05 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.4 hours before the alert went out and 228 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 2009-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 377 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 2009-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 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
377 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
408 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 311825
TORMOB
ALC003-053-FLC033-311930-
/O.NEW.KMOB.TO.W.0025.090331T1825Z-090331T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
125 PM CDT TUE MAR 31 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF BAY MINETTE...

* UNTIL 230 PM CDT

* AT 122 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES WEST OF
  CARNEY...OR ABOUT 3 MILES NORTHEAST OF BAY MINETTE...MOVING
  NORTHEAST AT 25 MPH.

* THE  TORNADO WILL BE NEAR...
  DYAS BY 135 PM CDT...
  PERDIDO BY 145 PM CDT...
  NOKOMIS BY 150 PM CDT...
  ATMORE BY 200 PM CDT...
  ROBINSONVILLE BY 210 PM CDT...
  LITTLE ROCK BY 220 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS. IN ADDITION TO THE TORNADO...THIS
STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL OR DAMAGING
STRAIGHT LINE WINDS.

HEAVY RAINFALL MAY BE OBSCURING THIS TORNADO. TAKE COVER NOW IF YOU
WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE
PLACE.

DO NOT USE YOUR VEHICLE TO TRY TO OUTRUN AN APPROACHING TORNADO. ANY
SIZE OF VEHICLE CAN BE EASILY BE TOSSED AROUND BY TORNADIC WINDS. IF
YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE VEHICLE AND SEEK
SHELTER IN A STRONG BUILDING. IF NO SAFE STRUCTURE IS AVAILABLE...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER.
OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.

LAT...LON 3098 8785 3127 8734 3127 8722 3111 8711
      3082 8774
TIME...MOT...LOC 1825Z 240DEG 22KT 3093 8773

$$
1 follow-up statement
000 
WWUS54 KMOB 311923
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
223 PM CDT TUE MAR 31 2009

ALC003-053-FLC033-311933-
/O.EXP.KMOB.TO.W.0025.000000T0000Z-090331T1930Z/
ESCAMBIA AL-BALDWIN AL-ESCAMBIA FL-
223 PM CDT TUE MAR 31 2009

...THE TORNADO WARNING FOR NORTHWESTERN ESCAMBIA...CENTRAL BALDWIN
AND WESTERN ESCAMBIA COUNTIES EXPIRES AT 230 PM CDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
TUESDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.

LAT...LON 3098 8785 3127 8734 3127 8722 3111 8711
      3082 8774
TIME...MOT...LOC 1923Z 180DEG 0KT 3092 8775

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 8:44 AM CDTRiver Flood WarningMOBBaldwin, Mobile8 days
Mar 31, 11:38 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington31 min
Mar 31, 12:25 PM CDTSevere Thunderstorm WarningMOBClarke50 min
Mar 31, 12:52 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile38 min
Mar 31, 1:10 PM CDTSevere Thunderstorm WarningMOBMobile50 min
Mar 31, 1:35 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile42 min
Mar 31, 1:42 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw44 min
Mar 31, 2:03 PM CDTSevere Thunderstorm WarningMOBEscambia42 min
Mar 31, 2:13 PM CDTSevere Thunderstorm WarningMOBBaldwin47 min
Mar 31, 2:41 PM CDTFlash Flood WarningMOBBaldwin, Mobile6 hr
Mar 31, 2:56 PM CDTFlash Flood WarningMOBCovington, Escambia6 hr
Mar 31, 3:43 PM CDTRiver Flood WarningMOBMobile29 hr
Mar 31, 4:13 PM CDTSmall Craft AdvisoryMOB13 hr
Mar 31, 4:25 PM CDTAreal Flood AdvisoryMOBButler, Conecuh, Covington, Crenshaw, Escambia6 hr
Mar 31, 5:30 PM CDTSevere Thunderstorm WarningMOBWashington21 min
Mar 31, 2:45 PM CDTSevere Thunderstorm WarningMOBSanta Rosa37 min
Mar 31, 3:02 PM CDTTornado WarningMOBOkaloosa, Santa Rosa31 min
Mar 31, 3:15 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa45 min
Mar 31, 3:31 PM CDTTornado WarningMOBOkaloosa13 min
Mar 31, 5:39 PM CDTTornado WarningMOBEscambia20 min

Nearby

Tornado Warnings in Alabama, 2009Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.