Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 157, NWS Mobile, AL

July 6, 2016Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 6, 2016, 1:06 PM CDT for Crenshaw County, Alabama. It was in force for 24 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: Jul 6, 2016, 1:06 PM CDT (18:06 UTC)
Expired: Jul 6, 2016, 1:30 PM CDT
In force: 24 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 73 km from the middle of the area, began a volume at 18:06 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, 6.1 hours before the alert went out and 182 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1683 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 762 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

688 
WUUS54 KMOB 061806
SVRMOB
ALC041-061830-
/O.NEW.KMOB.SV.W.0157.160706T1806Z-160706T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
106 PM CDT WED JUL 6 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 130 PM CDT

* AT 106 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BRANTLEY...OR
  9 MILES SOUTH OF LUVERNE...MOVING NORTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  LUVERNE...BRANTLEY...RUTLEDGE AND GLENWOOD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING
WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3153 8616 3153 8619 3150 8620 3149 8628
      3152 8628 3153 8630 3149 8634 3161 8643
      3185 8619 3183 8618 3179 8620 3179 8615
      3166 8615 3166 8616 3165 8616 3162 8618
      3162 8615 3154 8614
TIME...MOT...LOC 1806Z 244DEG 27KT 3158 8628 

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

1 follow-up statement

838 
WWUS54 KMOB 061828
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
128 PM CDT WED JUL 6 2016

ALC041-061837-
/O.EXP.KMOB.SV.W.0157.000000T0000Z-160706T1830Z/
CRENSHAW AL-
128 PM CDT WED JUL 6 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CRENSHAW COUNTY WILL
EXPIRE AT 130 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3153 8616 3153 8619 3150 8620 3149 8628
      3152 8628 3153 8630 3149 8634 3161 8643
      3185 8619 3183 8618 3179 8620 3179 8615
      3166 8615 3166 8616 3165 8616 3162 8618
      3162 8615 3154 8614
TIME...MOT...LOC 1825Z 244DEG 27KT 3158 8628 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 9:58 AM CDT	Special Weather Statement	MOB	Baldwin	32 min
Jul 6, 10:33 AM CDT	Special Weather Statement	MOB	Escambia	27 min
Jul 6, 11:00 AM CDT	Special Weather Statement	MOB	Conecuh	45 min
Jul 6, 11:56 AM CDT	Special Weather Statement	MOB	Covington	34 min
Jul 6, 12:17 PM CDT	Special Weather Statement	MOB	Covington	43 min
Jul 6, 12:37 PM CDT	Special Weather Statement	MOB	Mobile	38 min
Jul 6, 12:45 PM CDT	Special Weather Statement	MOB	Monroe	45 min
Jul 6, 12:50 PM CDT	Special Weather Statement	MOB	Crenshaw	40 min
Jul 6, 1:21 PM CDT	Special Weather Statement	MOB	Conecuh	39 min
Jul 6, 1:24 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	36 min
Jul 6, 1:32 PM CDT	Special Weather Statement	MOB	Monroe	43 min
Jul 6, 1:58 PM CDT	Special Weather Statement	MOB	Mobile	47 min
Jul 6, 2:12 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	48 min
Jul 6, 2:19 PM CDT	Special Weather Statement	MOB	Crenshaw	26 min
Jul 6, 2:24 PM CDT	Special Weather Statement	MOB	Choctaw	51 min
Jul 6, 2:27 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	33 min
Jul 6, 2:29 PM CDT	Special Weather Statement	MOB	Washington	46 min
Jul 6, 2:34 PM CDT	Special Weather Statement	MOB	Clarke, Monroe, Wilcox	41 min
Jul 6, 2:47 PM CDT	Special Weather Statement	MOB	Mobile	43 min
Jul 6, 2:57 PM CDT	Special Weather Statement	MOB	Washington	48 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016 Every 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.