Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 44, NWS Mobile, AL

February 22, 2016Clarke County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 22, 2016, 6:52 PM CST for Clarke County, Washington County, Alabama. It was in force for 38 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 22, 2016, 6:52 PM CST (00:52 UTC)
Expired
Feb 22, 2016, 7:30 PM CST
In force
38 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 95 km from the middle of the area, began a volume at 00:56 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.9 hours before the alert went out and 215 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 2016-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2016-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 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
52 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

231 
WUUS54 KMOB 230052
SVRMOB
ALC025-129-230130-
/O.NEW.KMOB.SV.W.0044.160223T0052Z-160223T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
652 PM CST MON FEB 22 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL WASHINGTON COUNTY IN SOUTHWESTERN ALABAMA...
  CENTRAL CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 730 PM CST

* AT 651 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR WAGARVILLE...
  OR 8 MILES SOUTHWEST OF JACKSON...MOVING NORTHEAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JACKSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3163 8780 3142 8766 3141 8769 3140 8771
      3138 8772 3138 8775 3134 8796 3143 8803
TIME...MOT...LOC 0051Z 241DEG 16KT 3140 8797 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
263 
WWUS54 KMOB 230109
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
709 PM CST MON FEB 22 2016

ALC129-230119-
/O.CAN.KMOB.SV.W.0044.000000T0000Z-160223T0130Z/
WASHINGTON AL-
709 PM CST MON FEB 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WASHINGTON COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3152 8773 3144 8768 3142 8771 3140 8776
      3139 8788 3145 8792 3146 8792 3159 8778
TIME...MOT...LOC 0109Z 241DEG 16KT 3144 8789 

$$

ALC025-230130-
/O.CON.KMOB.SV.W.0044.000000T0000Z-160223T0130Z/
CLARKE AL-
709 PM CST MON FEB 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR CENTRAL CLARKE COUNTY...

AT 709 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR JACKSON...MOVING
NORTHEAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL CLARKE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3152 8773 3144 8768 3142 8771 3140 8776
      3139 8788 3145 8792 3146 8792 3159 8778
TIME...MOT...LOC 0109Z 241DEG 16KT 3144 8789 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
876 
WWUS54 KMOB 230130
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
730 PM CST MON FEB 22 2016

ALC025-230139-
/O.EXP.KMOB.SV.W.0044.000000T0000Z-160223T0130Z/
CLARKE AL-
730 PM CST MON FEB 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CLARKE COUNTY WILL
EXPIRE AT 730 PM CST...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3152 8773 3144 8768 3142 8771 3140 8776
      3139 8788 3145 8792 3146 8792 3159 8778
TIME...MOT...LOC 0128Z 241DEG 16KT 3144 8789 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 8:21 PM CSTSpecial Weather StatementMOBClarke39 min
Feb 23, 2:54 AM CSTSpecial Weather StatementMOBBaldwin51 min
Feb 23, 3:30 AM CSTGale WarningMOB24 hr
Feb 23, 6:46 AM CSTMarine Dense Fog AdvisoryMOB5 hr
Feb 23, 11:42 AM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington8 days
Feb 23, 11:42 AM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington8 days
Feb 23, 12:39 PM CSTCoastal Flood AdvisoryMOBBaldwin, Mobile23 hr
Feb 23, 4:45 PM CSTSpecial Marine WarningMOB30 min
Feb 23, 5:13 PM CSTSpecial Marine WarningMOB47 min
Feb 23, 5:15 PM CSTSpecial Weather StatementMOBCrenshaw45 min
Feb 23, 5:26 PM CSTTornado WarningMOBWashington49 min
Feb 23, 5:44 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Mobile, Washington46 min
Feb 23, 5:54 PM CSTTornado WarningMOBMobile36 min
Feb 23, 5:58 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke62 min

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.