Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 156, NWS Mobile, AL

July 5, 2016Choctaw County, Clarke County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 5, 2016, 12:56 PM CDT for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 5, 2016, 12:56 PM CDT (17:56 UTC)
Expired
Jul 5, 2016, 1:30 PM CDT
In force
34 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Choctaw County, AL, Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 127 km from the middle of the area, began a volume at 17:57 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.

What was reported inside it

TimeReportWhereRemark
Jul 5, 1:03 PM CDTTSTM WND DMG1 Nw Coffeeville, ALTREE KNOCKED DOWN AND BLOCKING THE ENTIRE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.9 hours before the alert went out and 191 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 12:00Z on 2016-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1665 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 12:00Z on 2016-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
1665 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

026 
WUUS54 KMOB 051756
SVRMOB
ALC023-025-129-051830-
/O.NEW.KMOB.SV.W.0156.160705T1756Z-160705T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1256 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL CHOCTAW COUNTY IN SOUTHWESTERN ALABAMA...
  NORTH CENTRAL WASHINGTON COUNTY IN SOUTHWESTERN ALABAMA...
  NORTHWESTERN CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 130 PM CDT

* AT 1256 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 12 MILES SOUTH OF PUTNAM TO NEAR COFFEEVILLE TO NEAR
  SILAS...MOVING EAST AT 20 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  THOMASVILLE AND COFFEEVILLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3192 8767 3172 8779 3164 8807 3172 8840
      3177 8821 3191 8813
TIME...MOT...LOC 1756Z 278DEG 19KT 3184 8809 3176 8814 3174 8825 

HAIL...0.75IN
WIND...60MPH
 
$$

BUTTS
2 follow-up statements
591 
WWUS54 KMOB 051811
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
111 PM CDT TUE JUL 5 2016

ALC023-025-129-051830-
/O.CON.KMOB.SV.W.0156.000000T0000Z-160705T1830Z/
CHOCTAW AL-WASHINGTON AL-CLARKE AL-
111 PM CDT TUE JUL 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR SOUTH CENTRAL CHOCTAW...NORTHEASTERN WASHINGTON AND NORTHWESTERN
CLARKE COUNTIES...

AT 110 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES SOUTH OF PUTNAM TO COFFEEVILLE TO 8 MILES
EAST OF SILAS...MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
THOMASVILLE AND COFFEEVILLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

ADDITIONAL UPDATES WILL BE ISSUED ON THIS LINE OF THUNDERSTORMS AS
CONDITIONS WARRANT.

&&

LAT...LON 3192 8767 3172 8779 3164 8807 3175 8827
      3177 8821 3191 8813
TIME...MOT...LOC 1810Z 278DEG 19KT 3183 8803 3175 8808 3173 8819 

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

BUTTS
129 
WWUS54 KMOB 051826
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
126 PM CDT TUE JUL 5 2016

ALC023-025-129-051835-
/O.EXP.KMOB.SV.W.0156.000000T0000Z-160705T1830Z/
CHOCTAW AL-WASHINGTON AL-CLARKE AL-
126 PM CDT TUE JUL 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHOCTAW...
NORTHEASTERN WASHINGTON AND NORTHWESTERN CLARKE COUNTIES WILL EXPIRE
AT 130 PM CDT...
            
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 WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

ADDITIONAL UPDATES WILL BE ISSUED ON THIS LINE OF THUNDERSTORMS AS
CONDITIONS WARRANT.

LAT...LON 3192 8767 3172 8779 3164 8807 3175 8827
      3177 8821 3191 8813
TIME...MOT...LOC 1824Z 278DEG 19KT 3183 8803 3175 8808 3173 8819 

$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 12:23 PM CDTSpecial Weather StatementMOBMonroe52 min
Jul 5, 12:37 PM CDTSpecial Weather StatementMOBEscambia38 min
Jul 5, 1:15 PM CDTSpecial Weather StatementMOBCovington45 min
Jul 5, 1:33 PM CDTSpecial Weather StatementMOBWilcox42 min
Jul 5, 2:09 PM CDTSpecial Weather StatementMOBWilcox51 min
Jul 5, 2:44 PM CDTSpecial Weather StatementMOBClarke46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.