Alert archive / Alabama / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 39, NWS Mobile, AL

March 26, 2009Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 26, 2009, 7:56 AM CDT for Covington County, Crenshaw County, Alabama. It was in force for 34 min. 1 report 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: Mar 26, 2009, 7:56 AM CDT (12:56 UTC)
Expired: Mar 26, 2009, 8:30 AM CDT
In force: 34 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Covington County, AL, Crenshaw County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 26, 8:00 AM CDT	TSTM WND GST 90	1 Ne Onycha, AL	TWO MOBILE HOMES DESTROYED AND SEVERAL OTHER STRUCTURES DAMAGED...INCLUDING HOMES AND METAL BUILDINGS.

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.

Issued	Product	Office	Lasted
Mar 26, 1:36 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.9 hours before the alert went out and 198 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: 8 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 261256
SVRMOB
ALC039-041-261330-
/O.NEW.KMOB.SV.W.0039.090326T1256Z-090326T1330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
756 AM CDT THU MAR 26 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 830 AM CDT

* AT 751 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS OVER 60 MPH.  THESE STORMS WERE ALONG A LINE        
  EXTENDING FROM GANTT TO CLEARVIEW TO EODA TO RED OAK MOVING EAST   
  AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROSE HILL...OPP AND DOZIER BY 805 AM CDT...
  ESTOTHEL BY 810 AM CDT...
  BULLOCK AND BRANTLEY BY 820 AM CDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3153 8616 3153 8619 3114 8618 3114 8651
      3136 8643 3140 8653 3151 8650 3163 8616
      3162 8614 3155 8614
TIME...MOT...LOC 1256Z 270DEG 32KT 3143 8646 3146 8639
          3136 8632 3114 8636

$$

1 follow-up statement

000 
WWUS54 KMOB 261310
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
810 AM CDT THU MAR 26 2009

ALC039-041-261330-
/O.CON.KMOB.SV.W.0039.000000T0000Z-090326T1330Z/
COVINGTON AL-CRENSHAW AL-
809 AM CDT THU MAR 26 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR SOUTHEASTERN CRENSHAW AND NORTHEASTERN COVINGTON COUNTIES...

AT 808 AM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...
AND DAMAGING WINDS OVER 60 MPH.  THESE STORMS WERE ALONG A LINE
EXTENDING FROM 9 MILES SOUTHWEST OF BULLOCK TO BULLOCK TO 8 MILES 
SOUTH OF BULLOCK TO GREEN BAY...MOVING EAST AT 45 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  BULLOCK BY 820 AM CDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY ON THE LOWEST
FLOOR OF A STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A
ROOM SUCH AS A CLOSET OR BATHROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3114 8630 3125 8634 3137 8628 3147 8636
      3158 8615 3154 8615 3153 8616 3153 8619
      3114 8618
TIME...MOT...LOC 1309Z 251DEG 38KT 3149 8631 3152 8624
          3142 8617 3117 8621

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 3:18 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	42 min
Mar 26, 3:59 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	46 min
Mar 26, 4:29 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	16 min
Mar 26, 4:44 AM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington, Wilcox	46 min
Mar 26, 5:03 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile, Washington	42 min
Mar 26, 5:29 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	46 min
Mar 26, 5:34 AM CDT	Special Marine Warning	MOB		86 min
Mar 26, 5:49 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Monroe	39 min
Mar 26, 6:11 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Escambia, Mobile, Monroe	49 min
Mar 26, 6:27 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Escambia, Monroe	43 min
Mar 26, 6:57 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Covington, Escambia	63 min
Mar 26, 7:03 AM CDT	Special Marine Warning	MOB		117 min
Mar 26, 7:06 AM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	54 min
Mar 26, 7:37 AM CDT	Tornado Warning	MOB	Butler, Conecuh, Covington, Crenshaw	53 min
Mar 26, 7:41 AM CDT	Tornado Warning	MOB	Baldwin	49 min
Mar 26, 8:03 AM CDT	Severe Thunderstorm Warning	MOB	Covington	57 min
Mar 26, 9:00 AM CDT	Special Marine Warning	MOB		2 hr
Mar 26, 10:22 AM CDT	River Flood Warning	MOB	Clarke, Monroe, Wilcox	10 days
Mar 26, 10:52 AM CDT	Special Marine Warning	MOB		53 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2009 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.