Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 29, NWS Mobile, AL

April 14, 2007Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 14, 2007, 11:59 AM CDT for Washington County, Alabama. It was in force for 46 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
Apr 14, 2007, 11:59 AM CDT (16:59 UTC)
Expired
Apr 14, 2007, 12:45 PM CDT
In force
46 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Washington County, AL

The radar

The Mobile radar (KMOB), 93 km from the middle of the area, began a volume at 17:00 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
Apr 14, 12:03 PM CDTTSTM WND DMG5 W Chatom, ALWASHINGTON COUNTY 911 REPORTS TREES DOWN ALONG AL HIGHWAY 56 NEAR THE MISSISSIPPI STATE LINE
Apr 14, 12:10 PM CDTTSTM WND DMGYarbo, ALSTRAIGHT LINE WINDS DOWNED NUMEROUS TREES AND POWER LINES ACROSS WASHINGTON COUNTY...MOSTLY NORTH OF CHATOM. A TRAVEL TRAILER WAS OVERTURNED ALONG ALABAMA HIGHWAY 17 AND A METAL BUILDING WAS DESTROYED BEHIND A HOME.
Apr 14, 12:15 PM CDTTSTM WND DMGN Chatom, ALWASHINGTON COUNTY 911 REPORTS NUMEROUS TREES AND POWER LINES DOWNED...AND A TRAVEL TRAILER OVERTURNED ON THE NORTH SIDE OF CHATOM.
Apr 14, 12:17 PM CDTTSTM WND DMG5 N Chatom, ALUSA METEOROLOGY STUDENTS REPORTED TREES UPROOTED AND SNAPPED ALONG HIGHWAY 17 ABOUT 5 MILES NORTH OF CHATOM. ALSO AN RV WAS FLIPPED OVER.

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
Apr 14, 10:26 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.0 hours before the alert went out and 191 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 2007-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 912 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 2007-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
912 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 141702
TORMOB
ALC129-141745-
/O.NEW.KMOB.TO.W.0029.070414T1659Z-070414T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1201 PM CDT SAT APR 14 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF CHATOM...

* UNTIL 1245 PM CDT

* AT 1200 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A WALL CLOUD
  JUST NORTH OF YELLOW PINE...OR ABOUT 12 MILES WEST OF
  CHATOM...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LOPER...YARBO...JORDAN...BIGBEE...FRANKVILLE...WAGARVILLE...
  CORTELUOU...PRESTWICK AND LEROY

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN ALABAMA.

LAT...LON 3157 8846 3137 8845 3142 8793 3165 8813

$$

JP
2 follow-up statements
000 
WWUS54 KMOB 141722
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1220 PM CDT SAT APR 14 2007

ALC129-141745-
/O.CON.KMOB.TO.W.0029.000000T0000Z-070414T1745Z/
WASHINGTON AL-
1220 PM CDT SAT APR 14 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR NORTHERN
WASHINGTON COUNTY...

AT 1217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO.  THIS TORNADO WAS LOCATED NEAR JORDAN...
OR ABOUT 6 MILES NORTHEAST OF CHATOM...MOVING EAST AT 45 MPH.

THE TORNADO WILL PASS BETWEEN...
  SAINT STEPHRNS AND FRANKVILLE BY 1225 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

HEAVY RAINFALL MAY OBSCURE 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SATURDAY EVENING
FOR SOUTHWESTERN ALABAMA.

LAT...LON 3157 8846 3137 8845 3142 8793 3165 8813

$$
000 
WWUS54 KMOB 141746
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1245 PM CDT SAT APR 14 2007

ALC129-141753-
/O.EXP.KMOB.TO.W.0029.000000T0000Z-070414T1745Z/
WASHINGTON AL-
1245 PM CDT SAT APR 14 2007

...THE TORNADO WARNING FOR NORTHERN WASHINGTON COUNTY HAS BEEN 
ALLOWED TO EXPIRE AT 1245 PM CDT...

AT 1245 PM...THE SEVERE THUNDERSTORM THAT MOVED ACROSS NORTHERN 
WASHINGTON COUNTY HAD EXITED NORTHEAST OUT OF THE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SATURDAY EVENING 
FOR SOUTHWESTERN ALABAMA...AND FURTHER THUNDERSTORM DEVELOPMENT IS 
LIKELY THROUGH THE AFTERNOON FOR THE AREA.

LAT...LON 3157 8846 3137 8845 3142 8793 3165 8813

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 11:38 AM CDTTornado WarningMOBChoctaw37 min
Apr 14, 12:28 PM CDTSevere Thunderstorm WarningMOBClarke62 min
Apr 14, 1:15 PM CDTSevere Thunderstorm WarningMOBMonroe, Wilcox60 min
Apr 14, 2:09 PM CDTSevere Thunderstorm WarningMOBWashington36 min
Apr 14, 2:15 PM CDTSevere Thunderstorm WarningMOBButler, Monroe, Wilcox30 min
Apr 14, 2:15 PM CDTSevere Thunderstorm WarningMOBButler, Monroe, Wilcox30 min
Apr 14, 2:48 PM CDTSevere Thunderstorm WarningMOBButler27 min
Apr 14, 4:00 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw30 min
Apr 14, 5:07 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia38 min
Apr 14, 5:19 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw26 min
Apr 14, 5:31 PM CDTTornado WarningMOBCrenshaw29 min
Apr 14, 5:35 PM CDTFlash Flood WarningMOBConecuh, Escambia115 min
Apr 14, 5:38 PM CDTSevere Thunderstorm WarningMOBCovington37 min
Apr 14, 5:58 PM CDTSevere Thunderstorm WarningMOBCrenshaw34 min

Nearby

Tornado Warnings in Alabama, 2007Every tornado warning in 2007Tornadoes in 2007

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.