Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 159, NWS Mobile, AL

July 6, 2016Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 6, 2016, 2:12 PM CDT for Mobile County, Alabama. It was in force for 48 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, 2:12 PM CDT (19:12 UTC)
Expired: Jul 6, 2016, 3:00 PM CDT
In force: 48 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Mobile County, AL

The radar

The Mobile radar (KMOB), 29 km from the middle of the area, began a volume at 19:14 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.2 hours before the alert went out and 154 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: 3519 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: -6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

723 
WUUS54 KMOB 061912
SVRMOB
ALC097-062000-
/O.NEW.KMOB.SV.W.0159.160706T1912Z-160706T2000Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 300 PM CDT

* AT 211 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GULFCREST...OR
  11 MILES SOUTHWEST OF CITRONELLE...MOVING NORTHEAST AT 15 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...
  CITRONELLE...CHUNCHULA AND GULFCREST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3085 8839 3096 8841 3112 8821 3091 8809
TIME...MOT...LOC 1911Z 246DEG 13KT 3095 8831 

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

2 follow-up statements

291 
WWUS54 KMOB 061937
SVSMOB

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

ALC097-062000-
/O.CON.KMOB.SV.W.0159.000000T0000Z-160706T2000Z/
MOBILE AL-
237 PM CDT WED JUL 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHWESTERN MOBILE COUNTY...

AT 236 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES WEST OF
CHUNCHULA...OR 12 MILES SOUTH OF CITRONELLE...MOVING EAST AT 5 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...
CHUNCHULA AND GULFCREST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3085 8839 3096 8841 3112 8821 3091 8809
TIME...MOT...LOC 1936Z 280DEG 5KT 3091 8830 

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

628 
WWUS54 KMOB 062000
SVSMOB

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

ALC097-062010-
/O.EXP.KMOB.SV.W.0159.000000T0000Z-160706T2000Z/
MOBILE AL-
300 PM CDT WED JUL 6 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MOBILE COUNTY HAS
EXPIRED...
                
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 HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS...SMALL HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY
RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3085 8839 3096 8841 3112 8821 3091 8809
TIME...MOT...LOC 1958Z 246DEG 13KT 3091 8830 

$$

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, 1:06 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	24 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, 2:19 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.