Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 57, NWS Mobile, AL

February 23, 20165 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 23, 2016, 8:09 PM CST for 5 counties in 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: Feb 23, 2016, 8:09 PM CST (02:09 UTC)
Expired: Feb 23, 2016, 8:48 PM CST
In force: 39 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 02:12 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
Feb 23, 2:13 PM CST	Tornado Watch PDS	SPC	8 hr
Feb 23, 8:08 PM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.2 hours before the alert went out and 230 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: 12 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: -99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

146 
WUUS54 KMOB 240209
SVRMOB
ALC003-025-097-099-129-240300-
/O.NEW.KMOB.SV.W.0057.160224T0209Z-160224T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
809 PM CST TUE FEB 23 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...
  NORTHERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHEASTERN CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 900 PM CST

* AT 809 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR WAGARVILLE TO NEAR MOWA CHOCTAW RESERVATION TO
  10 MILES NORTHEAST OF LUCEDALE...MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JACKSON...CITRONELLE...MOUNT VERNON...MCINTOSH...MOVICO...CALVERT...
  GULFCREST...MOWA CHOCTAW RESERVATION...WAGARVILLE...MALCOLM AND LEROY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST FOR SOUTHWESTERN
ALABAMA AND SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN
EFFECT UNTIL 300 AM CST FOR SOUTH CENTRAL ALABAMA.

LAT...LON 3121 8762 3097 8819 3095 8842 3106 8843
      3120 8826 3152 8809 3167 8755
TIME...MOT...LOC 0209Z 258DEG 16KT 3147 8804 3119 8812 3099 8844 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

BUTTS

2 follow-up statements

772 
WWUS54 KMOB 240235
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
835 PM CST TUE FEB 23 2016

ALC097-240243-
/O.CAN.KMOB.SV.W.0057.000000T0000Z-160224T0300Z/
MOBILE AL-
835 PM CST TUE FEB 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MOBILE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST FOR SOUTHWESTERN
ALABAMA. 

LAT...LON 3124 8762 3115 8794 3115 8797 3117 8799
      3114 8802 3115 8820 3118 8811 3154 8801
      3167 8755
TIME...MOT...LOC 0233Z 258DEG 16KT 3149 8793 3121 8801 3101 8833 

$$

ALC003-025-099-129-240300-
/O.CON.KMOB.SV.W.0057.000000T0000Z-160224T0300Z/
BALDWIN AL-MONROE AL-WASHINGTON AL-CLARKE AL-
835 PM CST TUE FEB 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CST
FOR NORTH CENTRAL BALDWIN...SOUTHWESTERN MONROE...SOUTHEASTERN
WASHINGTON AND SOUTHEASTERN CLARKE COUNTIES...

AT 833 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR JACKSON TO MALCOLM TO NEAR GULFCREST...MOVING EAST
AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JACKSON...MCINTOSH...CALVERT...MOWA CHOCTAW RESERVATION...WAGARVILLE...
MALCOLM AND LEROY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST FOR SOUTHWESTERN
ALABAMA.


LAT...LON 3124 8762 3115 8794 3115 8797 3117 8799
      3114 8802 3115 8820 3118 8811 3154 8801
      3167 8755
TIME...MOT...LOC 0233Z 258DEG 16KT 3149 8793 3121 8801 3101 8833 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

BUTTS

721 
WWUS54 KMOB 240248
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
848 PM CST TUE FEB 23 2016

ALC003-025-099-129-240258-
/O.CAN.KMOB.SV.W.0057.000000T0000Z-160224T0300Z/
BALDWIN AL-MONROE AL-WASHINGTON AL-CLARKE AL-
848 PM CST TUE FEB 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BALDWIN...
SOUTHWESTERN MONROE...SOUTHEASTERN WASHINGTON AND SOUTHEASTERN CLARKE
COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS ARE
STILL POSSIBLE WITH THESE THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST FOR SOUTHWESTERN
ALABAMA. 

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN
MOBILE.

LAT...LON 3124 8762 3115 8794 3115 8797 3117 8799
      3114 8802 3115 8820 3118 8811 3154 8801
      3167 8755
TIME...MOT...LOC 0246Z 258DEG 16KT 3150 8786 3122 8794 3102 8826 

$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 23, 6:01 PM CST	Special Marine Warning	MOB		59 min
Feb 23, 6:06 PM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	3 hr
Feb 23, 6:06 PM CST	Special Marine Warning	MOB		54 min
Feb 23, 6:10 PM CST	Tornado Warning	MOB	Choctaw, Clarke, Washington	50 min
Feb 23, 6:29 PM CST	Tornado Warning	MOB	Baldwin, Clarke, Mobile, Washington	11 min
Feb 23, 6:31 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Mobile, Monroe, Washington, Wilcox	44 min
Feb 23, 6:35 PM CST	Severe Thunderstorm Warning	MOB	Washington	25 min
Feb 23, 6:58 PM CST	Special Marine Warning	MOB		62 min
Feb 23, 7:00 PM CST	Special Marine Warning	MOB		30 min
Feb 23, 7:13 PM CST	Tornado Warning Considerable damage threat	MOB	Baldwin	62 min
Feb 23, 7:14 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington, Wilcox	46 min
Feb 23, 7:17 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	43 min
Feb 23, 7:25 PM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Wilcox	3 hr
Feb 23, 7:27 PM CST	Special Marine Warning	MOB		48 min
Feb 23, 7:28 PM CST	Areal Flood Advisory	MOB	Baldwin	2 hr
Feb 23, 7:34 PM CST	Areal Flood Advisory	MOB	Mobile	116 min
Feb 23, 8:01 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	21 min
Feb 23, 8:15 PM CST	Special Marine Warning	MOB		15 min
Feb 23, 8:28 PM CST	Special Marine Warning	MOB		32 min
Feb 23, 8:30 PM CST	Flash Flood Warning	MOB	Baldwin	2 hr
Feb 23, 8:59 PM CST	Special Marine Warning	MOB		61 min
Feb 23, 9:08 PM CST	Severe Thunderstorm Warning	MOB	Covington	22 min
Feb 23, 9:56 PM CST	Special Weather Statement	MOB	Monroe	34 min
Feb 23, 9:57 PM CST	Special Marine Warning	MOB		63 min
Feb 24, 12:44 AM CST	Special Weather Statement	MOB	Choctaw	76 min
Feb 24, 3:59 AM CST	Gale Warning	MOB		17 hr
Feb 24, 1:02 PM CST	River Flood Warning	MOB	Dallas, Monroe, Wilcox	4 days
Feb 24, 1:02 PM CST	River Flood Warning	MOB	Clarke, Monroe, Wilcox	8 days

Nearby

Severe Thunderstorm Warnings in Alabama, 2016 Every severe thunderstorm warning in 2016

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.