Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 114, NWS Mobile, AL

April 1, 2016Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 1, 2016, 5:41 AM CDT for Covington County, Alabama. It was in force for 49 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: Apr 1, 2016, 5:41 AM CDT (10:41 UTC)
Expired: Apr 1, 2016, 6:30 AM CDT
In force: 49 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Covington County, AL

The radar

The Ft Rucker radar (KEOX), 94 km from the middle of the area, began a volume at 10:45 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 00:00Z, 10.7 hours before the alert went out and 199 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: 693 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 366 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted.

065 
WUUS54 KMOB 011041
SVRMOB
ALC039-011130-
/O.NEW.KMOB.SV.W.0114.160401T1041Z-160401T1130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
541 AM CDT FRI APR 1 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 630 AM CDT

* AT 541 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR RIVER FALLS...
  OR 7 MILES WEST OF ANDALUSIA...MOVING EAST AT 50 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...
  ANDALUSIA...OPP...BABBIE...RIVER FALLS...RED LEVEL...CAROLINA...HEATH...
  SANFORD...GANTT...LIBERTYVILLE AND ROSE HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3122 8668 3135 8670 3137 8667 3139 8667
      3140 8666 3141 8667 3152 8640 3145 8640
      3149 8636 3149 8634 3153 8630 3152 8628
      3146 8628 3145 8626 3144 8626 3144 8620
      3127 8619
TIME...MOT...LOC 1041Z 257DEG 43KT 3133 8661 

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

2 follow-up statements

139 
WWUS54 KMOB 011105
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
605 AM CDT FRI APR 1 2016

ALC039-011130-
/O.CON.KMOB.SV.W.0114.000000T0000Z-160401T1130Z/
COVINGTON AL-
605 AM CDT FRI APR 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT
FOR NORTHERN COVINGTON COUNTY...

AT 605 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROSE HILL...OR 7
MILES NORTHEAST OF ANDALUSIA...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...
ANDALUSIA...OPP...BABBIE...RIVER FALLS...RED LEVEL...CAROLINA...HEATH...
SANFORD...GANTT...LIBERTYVILLE AND ROSE HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3122 8668 3135 8670 3137 8667 3139 8667
      3140 8666 3141 8667 3152 8640 3145 8640
      3149 8636 3149 8634 3153 8630 3152 8628
      3146 8628 3145 8626 3144 8626 3144 8620
      3127 8619
TIME...MOT...LOC 1105Z 254DEG 39KT 3137 8638 

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

123 
WWUS54 KMOB 011129
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
629 AM CDT FRI APR 1 2016

ALC039-011138-
/O.EXP.KMOB.SV.W.0114.000000T0000Z-160401T1130Z/
COVINGTON AL-
629 AM CDT FRI APR 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN COVINGTON COUNTY WILL
EXPIRE AT 630 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

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

LAT...LON 3122 8668 3135 8670 3137 8667 3139 8667
      3140 8666 3141 8667 3152 8640 3145 8640
      3149 8636 3149 8634 3153 8630 3152 8628
      3146 8628 3145 8626 3144 8626 3144 8620
      3127 8619
TIME...MOT...LOC 1127Z 257DEG 43KT 3137 8638 

$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 7:28 PM CDT	Special Weather Statement	MOB	Wilcox	32 min
Mar 31, 8:43 PM CDT	Areal Flood Advisory	MOB	Choctaw	32 min
Mar 31, 8:55 PM CDT	Special Weather Statement	MOB	Choctaw	65 min
Mar 31, 9:20 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	25 min
Apr 1, 12:05 AM CDT	Special Weather Statement	MOB	Choctaw	40 min
Apr 1, 12:39 AM CDT	Special Weather Statement	MOB	Choctaw	51 min
Apr 1, 12:56 AM CDT	Special Weather Statement	MOB	Choctaw	49 min
Apr 1, 1:39 AM CDT	Special Weather Statement	MOB	Wilcox	51 min
Apr 1, 2:19 AM CDT	Special Weather Statement	MOB	Wilcox	41 min
Apr 1, 2:32 AM CDT	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	28 min
Apr 1, 3:24 AM CDT	Special Weather Statement	MOB	Conecuh, Monroe	51 min
Apr 1, 3:53 AM CDT	Special Weather Statement	MOB	Conecuh	52 min
Apr 1, 4:09 AM CDT	Special Weather Statement	MOB	Butler, Crenshaw	51 min
Apr 1, 4:28 AM CDT	Small Craft Advisory	MOB		54 hr
Apr 1, 4:52 AM CDT	Special Weather Statement	MOB	Crenshaw	53 min
Apr 1, 7:20 AM CDT	Areal Flood Advisory	MOB	Baldwin, Mobile	115 min
Apr 1, 7:44 AM CDT	Special Weather Statement	MOB	Baldwin	46 min
Apr 1, 8:27 AM CDT	Special Weather Statement	MOB	Escambia	48 min
Apr 1, 8:44 AM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	2 hr
Apr 1, 8:53 AM CDT	Special Weather Statement	MOB	Conecuh, Monroe	67 min
Apr 1, 9:13 AM CDT	Special Weather Statement	MOB	Escambia	47 min
Apr 1, 9:24 AM CDT	Special Weather Statement	MOB	Covington	36 min
Apr 1, 9:36 AM CDT	Areal Flood Advisory	MOB	Escambia	114 min
Apr 1, 9:47 AM CDT	Special Weather Statement	MOB	Butler	43 min
Apr 1, 10:05 AM CDT	Special Marine Warning	MOB		55 min
Apr 1, 10:06 AM CDT	River Flood Warning	MOB	Dallas, Monroe, Wilcox	3 days
Apr 1, 10:06 AM CDT	River Flood Warning	MOB	Clarke, Monroe, Wilcox	5 days
Apr 1, 10:31 AM CDT	Areal Flood Advisory	MOB	Baldwin, Mobile	119 min
Apr 1, 10:43 AM CDT	Areal Flood Advisory	MOB	Conecuh, Covington	3 hr
Apr 1, 11:33 AM CDT	Flash Flood Warning	MOB	Conecuh, Covington, Escambia	3 hr
Apr 1, 12:50 PM CDT	Areal Flood Advisory	MOB	Baldwin	115 min
Apr 1, 12:56 PM CDT	Special Marine Warning	MOB		64 min
Apr 1, 1:51 PM CDT	Special Marine Warning	MOB		54 min
Apr 1, 1:54 PM CDT	River Flood Warning	MOB	Covington	3 days
Apr 1, 1:59 PM CDT	River Flood Warning	MOB	Covington, Escambia	55 hr
Apr 1, 2:09 PM CDT	Special Marine Warning	MOB		51 min
Apr 1, 3:05 PM CDT	Special Marine Warning	MOB		85 min
Apr 1, 4:05 PM CDT	Special Marine Warning	MOB		25 min
Apr 1, 4:23 PM CDT	Areal Flood Advisory	MOB	Baldwin, Covington, Escambia	6 hr
Apr 1, 4:31 PM CDT	Special Marine Warning	MOB		89 min
Apr 1, 5:41 PM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	6 hr
Apr 1, 6:10 PM CDT	Special Marine Warning	MOB		95 min
Apr 1, 6:22 PM CDT	Areal Flood Advisory	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	6 hr
Apr 1, 6:33 PM CDT	Special Weather Statement	MOB	Baldwin, Mobile	42 min
Apr 1, 6:50 PM CDT	Areal Flood Advisory	MOB	Conecuh, Covington, Escambia	3 hr
Apr 1, 6:59 PM CDT	Special Marine Warning	MOB		61 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.