Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 178, NWS Mobile, AL

August 1, 2016Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Aug 1, 2016, 6:09 PM CDT for Conecuh County, Monroe County, Alabama. It was in force for 36 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
Aug 1, 2016, 6:09 PM CDT (23:09 UTC)
Expired
Aug 1, 2016, 6:45 PM CDT
In force
36 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Conecuh County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 134 km from the middle of the area, began a volume at 23:12 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.2 hours before the alert went out and 185 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 2016-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1157 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 2016-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 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
1157 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
-43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

626 
WUUS54 KMOB 012309
SVRMOB
ALC035-099-012345-
/O.NEW.KMOB.SV.W.0178.160801T2309Z-160801T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
609 PM CDT MON AUG 1 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 645 PM CDT

* AT 609 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  PETERMAN...OR NEAR MONROEVILLE...MOVING SOUTH AT 15 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  MONROEVILLE AND PETERMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3168 8736 3167 8715 3141 8714 3144 8745
TIME...MOT...LOC 2309Z 006DEG 15KT 3159 8727 

HAIL...0.75IN
WIND...60MPH
 
$$
1 follow-up statement
384 
WWUS54 KMOB 012324
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
624 PM CDT MON AUG 1 2016

ALC035-099-012345-
/O.CON.KMOB.SV.W.0178.000000T0000Z-160801T2345Z/
CONECUH AL-MONROE AL-
624 PM CDT MON AUG 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR WEST CENTRAL CONECUH AND CENTRAL MONROE COUNTIES...

AT 624 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MONROEVILLE...
MOVING SOUTH 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...
MONROEVILLE AND PETERMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3161 8736 3162 8715 3141 8714 3144 8745
TIME...MOT...LOC 2324Z 008DEG 18KT 3150 8729 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 7:46 PM CDTSpecial Weather StatementMOBConecuh29 min
Aug 1, 2:05 PM CDTSpecial Weather StatementMOBCovington40 min
Aug 1, 3:17 PM CDTSpecial Weather StatementMOBChoctaw43 min
Aug 1, 3:38 PM CDTSpecial Weather StatementMOBChoctaw52 min
Aug 1, 3:51 PM CDTSpecial Weather StatementMOBClarke39 min
Aug 1, 4:40 PM CDTSpecial Weather StatementMOBClarke50 min
Aug 1, 4:41 PM CDTSpecial Weather StatementMOBWilcox49 min
Aug 1, 4:51 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox24 min
Aug 1, 5:09 PM CDTSpecial Weather StatementMOBMonroe36 min
Aug 1, 5:32 PM CDTSpecial Weather StatementMOBConecuh43 min
Aug 1, 5:42 PM CDTSevere Thunderstorm WarningMOBConecuh, Monroe33 min
Aug 1, 6:27 PM CDTSpecial Weather StatementMOBMonroe48 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.