Alert archive / Alabama / Tornado Warnings in 2009

Tornado Warning 21, NWS Mobile, AL

March 28, 2009Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 28, 2009, 2:50 AM 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: Mar 28, 2009, 2:50 AM CDT (07:50 UTC)
Expired: Mar 28, 2009, 3:05 AM CDT
In force: 15 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 07:54 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.

Issued	Product	Office	Lasted
Mar 27, 10:09 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.8 hours before the alert went out and 177 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1844 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 467 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 296 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 13.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 280750
TORMOB
ALC097-280830-
/O.NEW.KMOB.TO.W.0021.090328T0750Z-090328T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
250 AM CDT SAT MAR 28 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 330 AM CDT

* AT 247 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WILMER...OR ABOUT
  16 MILES SOUTHEAST OF LUCEDALE...MOVING NORTHEAST AT 30 MPH.

* THE  TORNADO WILL BE NEAR...
  LOTT AND COLEMAN DAIRY RO BY 255 AM CDT...
  CHUNCHULA BY 310 AM CDT...
  TURNERVILLE BY 320 AM 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.

IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3078 8834 3085 8840 3116 8805 3111 8796
      3109 8797 3107 8794 3105 8794 3104 8796
      3103 8795 3098 8797 3095 8793 3092 8795
TIME...MOT...LOC 0750Z 234DEG 27KT 3083 8833

$$

2 follow-up statements

000 
WWUS54 KMOB 280757
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
257 AM CDT SAT MAR 28 2009

ALC097-280830-
/O.CON.KMOB.TO.W.0021.000000T0000Z-090328T0830Z/
MOBILE AL-
257 AM CDT SAT MAR 28 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR
NORTHEASTERN MOBILE COUNTY...

AT 254 AM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS TORNADO WAS
NEAR CELESTE...OR ABOUT 13 MILES NORTHWEST OF DOWNTOWN MOBILE...
MOVING NORTH AT 35 MPH.

THE TORNADO WILL BE NEAR...
  AXIS BY 305 AM CDT...
  TURNERVILLE AND SALCO BY 310 AM CDT...
  BUCKS BY 315 AM CDT...
  CHASTANG BY 320 AM CDT...
  MOUNT VERNON AND FORT STODDARD BY 325 AM 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.

IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3088 8820 3115 8805 3111 8796 3109 8797
      3107 8794 3105 8794 3104 8796 3103 8795
      3098 8797 3095 8793 3091 8799 3085 8817
TIME...MOT...LOC 0757Z 199DEG 29KT 3089 8813

$$

000 
WWUS54 KMOB 280805
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
305 AM CDT SAT MAR 28 2009

ALC097-280814-
/O.CAN.KMOB.TO.W.0021.000000T0000Z-090328T0830Z/
MOBILE AL-
304 AM CDT SAT MAR 28 2009

...THE TORNADO WARNING FOR NORTHEASTERN MOBILE COUNTY IS CANCELLED...

TEH TORNADIC CIRULATION WAS OBSERVED BY NWS DOPPLER RADAR TO HAVE 
WEAKENED AND DISSIPATED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3088 8820 3115 8805 3111 8796 3109 8797
      3107 8794 3105 8794 3104 8796 3103 8795
      3098 8797 3095 8793 3091 8799 3085 8817
TIME...MOT...LOC 0804Z 180DEG 0KT 3087 8814

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:20 PM CDT	Special Marine Warning	MOB		40 min
Mar 27, 8:55 PM CDT	Special Marine Warning	MOB		50 min
Mar 27, 8:58 PM CDT	Special Marine Warning	MOB		47 min
Mar 27, 9:39 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Mobile, Washington	51 min
Mar 27, 10:02 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	43 min
Mar 27, 10:12 PM CDT	Special Marine Warning	MOB		48 min
Mar 27, 10:16 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	44 min
Mar 27, 10:22 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	38 min
Mar 27, 10:46 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Monroe	44 min
Mar 27, 10:53 PM CDT	Special Marine Warning	MOB		67 min
Mar 27, 10:55 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	20 min
Mar 27, 11:05 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	115 min
Mar 27, 11:28 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	47 min
Mar 27, 11:38 PM CDT	Areal Flood Advisory	MOB	Baldwin	112 min
Mar 27, 11:45 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	28 min
Mar 28, 12:10 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	50 min
Mar 28, 12:48 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	42 min
Mar 28, 1:01 AM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Mobile, Washington	119 min
Mar 28, 1:04 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	41 min
Mar 28, 1:11 AM CDT	Severe Thunderstorm Warning	MOB	Covington	34 min
Mar 28, 1:28 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	47 min
Mar 28, 1:57 AM CDT	Flash Flood Warning	MOB	Baldwin	3 hr
Mar 28, 1:59 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	16 min
Mar 28, 2:13 AM CDT	Severe Thunderstorm Warning	MOB	Covington	47 min
Mar 28, 2:35 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	55 min
Mar 28, 2:45 AM CDT	Special Marine Warning	MOB		90 min
Mar 28, 2:54 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	53 min
Mar 28, 2:56 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	49 min
Mar 28, 3:01 AM CDT	Flash Flood Warning	MOB	Mobile	89 min
Mar 28, 3:25 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	65 min
Mar 28, 4:08 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	52 min
Mar 28, 4:10 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	65 min
Mar 28, 4:29 AM CDT	Flash Flood Warning	MOB	Baldwin, Escambia, Mobile, Monroe	3 hr
Mar 28, 4:57 AM CDT	Tornado Warning	MOB	Covington, Escambia	49 min
Mar 28, 5:12 AM CDT	Severe Thunderstorm Warning	MOB	Covington	48 min
Mar 28, 5:31 AM CDT	Tornado Warning	MOB	Covington	21 min
Mar 28, 5:42 AM CDT	Tornado Warning	MOB	Covington	12 min
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	28 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Covington, Escambia	16 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	7 days
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	64 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Escambia	13 days
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Covington, Escambia	7 days
Mar 28, 6:41 AM CDT	Flash Flood Warning	MOB	Covington, Escambia	6 hr
Mar 28, 7:15 AM CDT	Flash Flood Warning	MOB	Baldwin, Conecuh, Escambia	6 hr
Mar 28, 8:48 AM CDT	River Flood Warning	MOB	Covington, Crenshaw, Escambia	50 hr
Mar 28, 8:48 AM CDT	River Flood Warning	MOB	Covington, Escambia	3 days
Mar 28, 8:52 AM CDT	River Flood Warning	MOB	Covington	5 days
Mar 28, 10:26 AM CDT	Special Marine Warning	MOB		109 min
Mar 28, 12:32 PM CDT	Areal Flood Warning	MOB	Baldwin, Conecuh, Covington, Crenshaw, Escambia, Monroe	12 hr
Mar 28, 12:53 PM CDT	Areal Flood Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	12 hr

Nearby

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