Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 9, NWS Mobile, AL

January 26, 2012Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 26, 2012, 1:36 PM CST for Covington County, Alabama. It was in force for 39 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: Jan 26, 2012, 1:36 PM CST (19:36 UTC)
Expired: Jan 26, 2012, 2:15 PM CST
In force: 39 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Covington County, AL

The radar

The Eglin Afb radar (KEVX), 83 km from the middle of the area, began a volume at 19:37 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
Jan 26, 9:55 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.6 hours before the alert went out and 223 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: 53 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 120 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.

420 
WUUS54 KMOB 261936
SVRMOB
ALC039-262015-
/O.NEW.KMOB.SV.W.0009.120126T1936Z-120126T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
136 PM CST THU JAN 26 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 215 PM CST

* AT 132 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 15 MILES NORTHWEST OF CRESTVIEW TO 4 MILES NORTH OF CRESTVIEW 
  TO 5 MILES SOUTH OF CRESTVIEW...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HORN HILL...          SANFORD...            RIVER FALLS...
  OPP...                ONYCHA...             LIBERTYVILLE...
  HEATH...              FLORALA...            FALCO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3112 8625 3099 8638 3100 8669 3101 8670
      3126 8668 3145 8658 3125 8619
TIME...MOT...LOC 1935Z 218DEG 42KT 3098 8665 3094 8652
          3087 8647 3075 8648

$$

3 follow-up statements

439 
WWUS54 KMOB 261956
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
156 PM CST THU JAN 26 2012

ALC039-262015-
/O.CON.KMOB.SV.W.0009.000000T0000Z-120126T2015Z/
COVINGTON AL-
156 PM CST THU JAN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CST
FOR COVINGTON COUNTY...

AT 151 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 13 MILES NORTHWEST OF FLORALA TO FLORALA TO 9 
MILES SOUTH OF FLORALA...MOVING NORTHEAST AT 50 MPH.

THE STORNGEST PART OF THE STORM IS STILL OVER THE SOUTHWESTERN AND 
CENTRAL PORTION OF THE COUNTY.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BECK...
CAROLINA...STANLEY...LIBERTYVILLE...GREEN BAY...BLUE SPRINGS...RIVER
FALLS...HORN HILL...ONYCHA...ANDALUSIA...BEULAH...SANFORD...HEATH...
BLAIRS...DUVALL...BABBIE...ESTOTHEL...OPP AND WIGGINS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3112 8625 3099 8638 3100 8657 3114 8661
      3143 8655 3125 8619
TIME...MOT...LOC 1955Z 218DEG 42KT 3116 8648 3112 8635
          3105 8630 3093 8631

$$

225 
WWUS54 KMOB 262003
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
203 PM CST THU JAN 26 2012

ALC039-262015-
/O.CON.KMOB.SV.W.0009.000000T0000Z-120126T2015Z/
COVINGTON AL-
203 PM CST THU JAN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CST
FOR EASTERN COVINGTON COUNTY...

AT 200 PM CST...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM ANDALUSIA TO 6 MILES SOUTH 
OF OPP TO 9 MILES NORTHEAST OF FLORALA TO FLORALA...MOVING NORTHEAST 
AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SANFORD...HEATH...BEULAH...BABBIE...BLAIRS...DUVALL...WIGGINS AND
ESTOTHEL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3112 8625 3100 8637 3100 8647 3116 8654
      3142 8655 3143 8655 3125 8619
TIME...MOT...LOC 2003Z 223DEG 50KT 3130 8645 3123 8626
          3116 8622 3104 8622

$$

869 
WWUS54 KMOB 262011
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
211 PM CST THU JAN 26 2012

ALC039-262021-
/O.EXP.KMOB.SV.W.0009.000000T0000Z-120126T2015Z/
COVINGTON AL-
211 PM CST THU JAN 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN COVINGTON COUNTY WILL
EXPIRE AT 215 PM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3112 8625 3100 8637 3100 8647 3116 8654
      3142 8655 3143 8655 3125 8619
TIME...MOT...LOC 2011Z 223DEG 50KT 3138 8636 3131 8617
          3124 8613 3112 8613

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 26, 8:56 AM CST	Tornado Warning	MOB	Choctaw, Washington	49 min
Jan 26, 9:15 AM CST	Severe Thunderstorm Warning	MOB	Washington	38 min
Jan 26, 9:20 AM CST	Tornado Warning	MOB	Washington	40 min
Jan 26, 9:33 AM CST	Tornado Warning	MOB	Choctaw	57 min
Jan 26, 9:41 AM CST	Special Marine Warning	MOB		2 hr
Jan 26, 9:49 AM CST	Areal Flood Advisory	MOB	Baldwin, Choctaw, Clarke, Escambia, Mobile, Monroe and 2 more	116 min
Jan 26, 9:50 AM CST	Small Craft Advisory	MOB		23 hr
Jan 26, 11:03 AM CST	Special Marine Warning	MOB		117 min
Jan 26, 11:11 AM CST	Tornado Warning	MOB	Baldwin, Mobile	21 min
Jan 26, 11:57 AM CST	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	27 min
Jan 26, 12:05 PM CST	Areal Flood Advisory	MOB	Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 3 more	4 hr
Jan 26, 12:49 PM CST	Special Marine Warning	MOB		56 min
Jan 26, 1:38 PM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	6 days
Jan 26, 1:38 PM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	6 days
Jan 26, 1:44 PM CST	Special Marine Warning	MOB		46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012 Every severe thunderstorm warning in 2012

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.