Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 3, NWS Mobile, AL

January 21, 2016Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 21, 2016, 7:39 PM CST for Choctaw County, Alabama. It was in force for 66 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 21, 2016, 7:39 PM CST (01:39 UTC)
Expired
Jan 21, 2016, 8:45 PM CST
In force
66 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Choctaw County, AL

The radar

The Birmingham radar (KBMX), 161 km from the middle of the area, began a volume at 01:42 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
Jan 21, 6:53 PM CSTTornado WatchSPC10 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.7 hours before the alert went out and 160 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 2016-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 2016-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 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
8 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
450 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

399 
WUUS54 KMOB 220139
SVRMOB
ALC023-220245-
/O.NEW.KMOB.SV.W.0003.160122T0139Z-160122T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
739 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 845 PM CST

* AT 738 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 3 MILES NORTHEAST OF SABLE TO MIDDLETON TO 4 MILES
  SOUTHWEST OF SYKES...MOVING EAST AT 45 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...
  BUTLER...LISMAN AND PENNINGTON. 

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 300 AM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
      3230 8798 3228 8802 3226 8801 3218 8801
      3215 8802 3214 8804 3211 8805 3209 8804
      3207 8806 3199 8846 3231 8842
TIME...MOT...LOC 0138Z 251DEG 40KT 3224 8865 3217 8859 3204 8862 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
3 follow-up statements
962 
WWUS54 KMOB 220210
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
810 PM CST THU JAN 21 2016

ALC023-220245-
/O.CON.KMOB.SV.W.0003.000000T0000Z-160122T0245Z/
CHOCTAW AL-
810 PM CST THU JAN 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN CHOCTAW COUNTY...

AT 809 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF KINTERBISH TO NEAR LISMAN TO 4 MILES
NORTHEAST OF NEEDHAM...MOVING EAST AT 45 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...
BUTLER...LISMAN AND PENNINGTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
      3230 8798 3228 8802 3226 8801 3218 8801
      3215 8802 3214 8804 3211 8805 3209 8804
      3207 8806 3199 8846 3231 8836
TIME...MOT...LOC 0209Z 255DEG 37KT 3224 8829 3217 8823 3204 8828 

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

BUTTS
523 
WWUS54 KMOB 220231
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
831 PM CST THU JAN 21 2016

ALC023-220245-
/O.CON.KMOB.SV.W.0003.000000T0000Z-160122T0245Z/
CHOCTAW AL-
831 PM CST THU JAN 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHEASTERN CHOCTAW COUNTY...

AT 830 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES WEST OF MYRTLEWOOD TO NEAR PENNINGTON TO 4
MILES NORTHWEST OF PUTNAM...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
BUTLER AND PENNINGTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
      3230 8798 3228 8802 3226 8801 3218 8801
      3215 8802 3214 8804 3211 8805 3209 8804
      3207 8806 3201 8834 3231 8816
TIME...MOT...LOC 0230Z 253DEG 30KT 3228 8807 3221 8801 3208 8806 

HAIL...<.75IN
WIND...60MPH
 
$$

BUTTS
439 
WWUS54 KMOB 220242
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
842 PM CST THU JAN 21 2016

ALC023-220251-
/O.EXP.KMOB.SV.W.0003.000000T0000Z-160122T0245Z/
CHOCTAW AL-
842 PM CST THU JAN 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHOCTAW COUNTY
WILL EXPIRE AT 845 PM CST...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE
ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHWESTERN
ALABAMA.

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

LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
      3230 8798 3228 8802 3226 8801 3218 8801
      3215 8802 3214 8804 3211 8805 3209 8804
      3207 8806 3201 8834 3231 8816
TIME...MOT...LOC 0241Z 251DEG 40KT 3228 8807 3221 8801 3208 8806 

$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:15 PM CSTSpecial Marine WarningMOB30 min
Jan 21, 6:44 PM CSTSpecial Marine WarningMOB31 min
Jan 21, 6:50 PM CSTSpecial Marine WarningMOB25 min
Jan 21, 7:57 PM CSTSpecial Weather StatementMOBChoctaw63 min
Jan 21, 7:59 PM CSTSpecial Weather StatementMOBEscambia46 min
Jan 21, 8:18 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington10 days
Jan 21, 8:18 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington10 days
Jan 21, 8:20 PM CSTSpecial Weather StatementMOBMobile40 min
Jan 21, 8:36 PM CSTSpecial Marine WarningMOB54 min
Jan 21, 8:52 PM CSTSpecial Weather StatementMOBBaldwin23 min
Jan 21, 9:10 PM CSTSpecial Weather StatementMOBClarke, Washington50 min
Jan 21, 9:14 PM CSTSpecial Weather StatementMOBCovington46 min
Jan 21, 9:19 PM CSTSpecial Weather StatementMOBMobile41 min
Jan 21, 9:26 PM CSTSpecial Weather StatementMOBEscambia49 min
Jan 21, 9:37 PM CSTSpecial Marine WarningMOB38 min
Jan 21, 9:48 PM CSTSpecial Weather StatementMOBClarke, Washington, Wilcox57 min
Jan 21, 9:51 PM CSTAreal Flood AdvisoryMOBMobile3 hr
Jan 21, 9:58 PM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile47 min
Jan 21, 10:03 PM CSTSpecial Marine WarningMOB57 min
Jan 21, 10:12 PM CSTSpecial Marine WarningMOB63 min
Jan 21, 10:38 PM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia37 min
Jan 21, 10:47 PM CSTSpecial Marine WarningMOB88 min
Jan 21, 10:58 PM CSTTornado WarningMOBBaldwin, Escambia32 min
Jan 21, 11:05 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia40 min
Jan 21, 11:17 PM CSTSpecial Marine WarningMOB88 min
Jan 21, 11:40 PM CSTWind AdvisoryMOBBaldwin, Mobile19 hr
Jan 21, 11:46 PM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia44 min
Jan 22, 12:00 AM CSTSpecial Marine WarningMOB90 min
Jan 22, 12:11 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Crenshaw, Escambia64 min
Jan 22, 12:43 AM CSTSpecial Marine WarningMOB92 min
Jan 22, 1:02 AM CSTSpecial Marine WarningMOB58 min
Jan 22, 1:31 AM CSTSpecial Marine WarningMOB59 min
Jan 22, 1:59 AM CSTSpecial Marine WarningMOB61 min
Jan 22, 10:34 AM CSTRiver Flood WarningMOBEscambia9 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.