Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 50, NWS Mobile, AL

February 23, 20165 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 23, 2016, 6:31 PM CST for 5 counties in Alabama. It was in force for 44 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, 6:31 PM CST (00:31 UTC)
Expired
Feb 23, 2016, 7:15 PM CST
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
70.0 mph

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

The radar

The Mobile radar (KMOB), 103 km from the middle of the area, began a volume at 00:33 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.

IssuedProductOfficeLasted
Feb 23, 2:13 PM CSTTornado Watch PDSSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 208 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, Birmingham, AL at 00:00Z on 2016-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2016-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
37 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

969 
WUUS54 KMOB 240031
SVRMOB
ALC025-097-099-129-131-240115-
/O.NEW.KMOB.SV.W.0050.160224T0031Z-160224T0115Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...
  WESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHWESTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
  WASHINGTON COUNTY IN SOUTHWESTERN ALABAMA...
  CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 715 PM CST

* AT 630 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES SOUTHWEST OF THOMASVILLE TO 8 MILES
  NORTHEAST OF SAINT STEPHENS TO NEAR FRUITDALE...MOVING NORTHEAST AT
  55 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  JACKSON...THOMASVILLE...CAMDEN...GROVE HILL...CHATOM...PINE HILL...
  VREDENBURGH...FULTON...MCINTOSH...YELLOW BLUFF...MOWA CHOCTAW
  RESERVATION...SAINT STEPHENS...DEER PARK...WHATLEY...WAGARVILLE...
  CALVERT...VINEGAR BEND...BOYKIN...FRUITDALE AND MALCOLM.

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.

&&

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

LAT...LON 3212 8726 3209 8721 3197 8719 3125 8754
      3125 8765 3130 8771 3130 8779 3127 8780
      3128 8783 3123 8784 3123 8786 3121 8785
      3121 8788 3118 8786 3116 8789 3111 8843
      3151 8845 3164 8817 3192 8786 3214 8725
TIME...MOT...LOC 0030Z 241DEG 47KT 3185 8782 3162 8796 3129 8840 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

BUTTS
1 follow-up statement
188 
WWUS54 KMOB 240056
SVSMOB

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

ALC025-097-099-129-131-240115-
/O.CON.KMOB.SV.W.0050.000000T0000Z-160224T0115Z/
MOBILE AL-MONROE AL-WILCOX AL-WASHINGTON AL-CLARKE AL-
656 PM CST TUE FEB 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN MOBILE...WESTERN MONROE...SOUTHWESTERN WILCOX...
WASHINGTON AND CLARKE COUNTIES...

AT 655 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR PINE HILL TO NEAR FULTON TO NEAR TIBBIE...MOVING
NORTHEAST AT 50 MPH.

HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
JACKSON...THOMASVILLE...CAMDEN...GROVE HILL...CHATOM...PINE HILL...
VREDENBURGH...FULTON...MCINTOSH...YELLOW BLUFF...MOWA CHOCTAW
RESERVATION...SAINT STEPHENS...DEER PARK...WHATLEY...WAGARVILLE...CALVERT...
VINEGAR BEND...BOYKIN...FRUITDALE AND MALCOLM.

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.

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

&&

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

LAT...LON 3212 8726 3209 8721 3197 8719 3125 8754
      3125 8765 3130 8771 3130 8779 3127 8780
      3128 8783 3123 8784 3123 8786 3121 8785
      3121 8788 3118 8786 3116 8789 3111 8843
      3151 8845 3164 8817 3192 8786 3214 8725
TIME...MOT...LOC 0055Z 235DEG 44KT 3201 8754 3179 8768 3139 8827 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 6:01 PM CSTSpecial Marine WarningMOB59 min
Feb 23, 6:06 PM CSTFlash Flood WarningMOBChoctaw, Clarke, Washington3 hr
Feb 23, 6:06 PM CSTSpecial Marine WarningMOB54 min
Feb 23, 6:10 PM CSTTornado WarningMOBChoctaw, Clarke, Washington50 min
Feb 23, 6:29 PM CSTTornado WarningMOBBaldwin, Clarke, Mobile, Washington11 min
Feb 23, 6:35 PM CSTSevere Thunderstorm WarningMOBWashington25 min
Feb 23, 6:58 PM CSTSpecial Marine WarningMOB62 min
Feb 23, 7:00 PM CSTSpecial Marine WarningMOB30 min
Feb 23, 7:13 PM CSTTornado Warning Considerable damage threatMOBBaldwin62 min
Feb 23, 7:14 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Washington, Wilcox46 min
Feb 23, 7:17 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington43 min
Feb 23, 7:25 PM CSTFlash Flood WarningMOBChoctaw, Clarke, Wilcox3 hr
Feb 23, 7:27 PM CSTSpecial Marine WarningMOB48 min
Feb 23, 7:28 PM CSTAreal Flood AdvisoryMOBBaldwin2 hr
Feb 23, 7:34 PM CSTAreal Flood AdvisoryMOBMobile116 min
Feb 23, 8:01 PM CSTSevere Thunderstorm WarningMOBWilcox21 min
Feb 23, 8:09 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington39 min
Feb 23, 8:15 PM CSTSpecial Marine WarningMOB15 min
Feb 23, 8:28 PM CSTSpecial Marine WarningMOB32 min
Feb 23, 8:30 PM CSTFlash Flood WarningMOBBaldwin2 hr
Feb 23, 8:59 PM CSTSpecial Marine WarningMOB61 min
Feb 23, 9:08 PM CSTSevere Thunderstorm WarningMOBCovington22 min
Feb 23, 9:56 PM CSTSpecial Weather StatementMOBMonroe34 min
Feb 23, 9:57 PM CSTSpecial Marine WarningMOB63 min
Feb 24, 12:44 AM CSTSpecial Weather StatementMOBChoctaw76 min
Feb 24, 3:59 AM CSTGale WarningMOB17 hr
Feb 24, 1:02 PM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox4 days
Feb 24, 1:02 PM CSTRiver Flood WarningMOBClarke, Monroe, Wilcox8 days

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Every 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.