Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 204, NWS Mobile, AL

November 30, 2016Conecuh County, Covington County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Nov 30, 2016, 12:40 PM CST for Conecuh County, Covington County, Escambia County, Alabama. It was in force for 65 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: Nov 30, 2016, 12:40 PM CST (18:40 UTC)
Expired: Nov 30, 2016, 1:45 PM CST
In force: 65 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Conecuh County, AL, Covington County, AL, Escambia County, AL

The radar

The Ft Rucker radar (KEOX), 96 km from the middle of the area, began a volume at 18:43 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 30, 11:06 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.7 hours before the alert went out and 205 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: 492 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 321 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.4

Open this sounding in Storm Lab

The text

As transmitted.

467 
WUUS54 KMOB 301840
SVRMOB
ALC035-039-053-301945-
/O.NEW.KMOB.SV.W.0204.161130T1840Z-161130T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1240 PM CST WED NOV 30 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 145 PM CST

* AT 1240 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM I65 AND US 84 TO 6 MILES SOUTHEAST OF CASTLEBERRY TO
  RIVERVIEW...MOVING EAST AT 60 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  ANDALUSIA...OPP...BREWTON...EVERGREEN...EAST BREWTON...RIVER
  FALLS...RED LEVEL...HEATH...GANTT...RIVERVIEW AND I65 AND US 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3105 8710 3120 8702 3135 8698
      3149 8710 3149 8640 3143 8640 3147 8636
      3147 8634 3149 8632 3149 8628 3144 8628
      3143 8626 3142 8626 3142 8620 3135 8619
TIME...MOT...LOC 1840Z 250DEG 50KT 3144 8702 3125 8693 3107 8706 

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

4 follow-up statements

820 
WWUS54 KMOB 301901
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
101 PM CST WED NOV 30 2016

ALC035-039-053-301945-
/O.CON.KMOB.SV.W.0204.000000T0000Z-161130T1945Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-
101 PM CST WED NOV 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CST
FOR SOUTHEASTERN CONECUH...COVINGTON AND EASTERN ESCAMBIA COUNTIES...

AT 101 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MCKENZIE TO NEAR RIVER FALLS TO 13 MILES EAST OF
RIVERVIEW...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...OPP...BREWTON...EAST BREWTON...RIVER FALLS...RED LEVEL...
HEATH...GANTT AND RIVERVIEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3105 8710 3120 8702 3133 8675
      3149 8677 3149 8640 3143 8640 3147 8636
      3147 8634 3149 8632 3149 8628 3144 8628
      3143 8626 3142 8626 3142 8620 3135 8619
TIME...MOT...LOC 1901Z 270DEG 44KT 3148 8669 3131 8662 3106 8684 

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

956 
WWUS54 KMOB 301909
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
109 PM CST WED NOV 30 2016

ALC035-039-053-301945-
/O.CON.KMOB.SV.W.0204.000000T0000Z-161130T1945Z/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-
109 PM CST WED NOV 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CST
FOR SOUTHEASTERN CONECUH...COVINGTON AND EAST CENTRAL ESCAMBIA
COUNTIES...

AT 109 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTH OF RED LEVEL TO RIVER FALLS TO 18 MILES
EAST OF RIVERVIEW...MOVING EAST AT 60 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...OPP...RIVER FALLS...RED LEVEL...HEATH AND GANTT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3105 8689 3124 8677 3136 8665
      3149 8663 3149 8640 3143 8640 3147 8636
      3147 8634 3149 8632 3149 8628 3144 8628
      3143 8626 3142 8626 3142 8620 3135 8619
TIME...MOT...LOC 1909Z 250DEG 50KT 3151 8660 3134 8653 3109 8675 

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

851 
WWUS54 KMOB 301925
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
125 PM CST WED NOV 30 2016

ALC035-053-301935-
/O.CAN.KMOB.SV.W.0204.000000T0000Z-161130T1945Z/
CONECUH AL-ESCAMBIA AL-
125 PM CST WED NOV 30 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CONECUH AND EAST
CENTRAL ESCAMBIA COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.  THEREFORE...THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3105 8670 3119 8670 3133 8659
      3149 8640 3143 8640 3147 8636 3147 8634
      3149 8632 3149 8628 3144 8628 3143 8626
      3142 8626 3142 8620 3133 8619
TIME...MOT...LOC 1925Z 266DEG 44KT 3146 8624 3130 8638 3105 8660 

$$

ALC039-301945-
/O.CON.KMOB.SV.W.0204.000000T0000Z-161130T1945Z/
COVINGTON AL-
125 PM CST WED NOV 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CST
FOR COVINGTON COUNTY...

AT 125 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES EAST OF DOZIER TO 6 MILES EAST OF ANDALUSIA TO
10 MILES NORTHWEST OF LAUREL HILL...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...OPP...RIVER FALLS...HEATH AND GANTT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3105 8670 3119 8670 3133 8659
      3149 8640 3143 8640 3147 8636 3147 8634
      3149 8632 3149 8628 3144 8628 3143 8626
      3142 8626 3142 8620 3133 8619
TIME...MOT...LOC 1925Z 266DEG 44KT 3146 8624 3130 8638 3105 8660 

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

362 
WWUS54 KMOB 301938
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
138 PM CST WED NOV 30 2016

ALC039-301945-
/O.CON.KMOB.SV.W.0204.000000T0000Z-161130T1945Z/
COVINGTON AL-
138 PM CST WED NOV 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CST
FOR SOUTHERN COVINGTON COUNTY...

AT 137 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTH OF ELBA TO NEAR OPP TO 8 MILES NORTHWEST
OF LOCKHART...MOVING EAST AT 60 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
OPP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3104 8621 3106 8665 3122 8645 3143 8628
      3143 8626 3142 8626 3142 8620 3133 8619
TIME...MOT...LOC 1937Z 250DEG 50KT 3151 8608 3135 8622 3110 8644 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 5:12 AM CST	Special Weather Statement	MOB	Clarke	48 min
Nov 30, 7:00 AM CST	Special Weather Statement	MOB	Choctaw	60 min
Nov 30, 8:04 AM CST	Special Weather Statement	MOB	Choctaw	41 min
Nov 30, 9:36 AM CST	Special Weather Statement	MOB	Clarke, Monroe, Wilcox	54 min
Nov 30, 10:00 AM CST	Special Weather Statement	MOB	Escambia	45 min
Nov 30, 10:07 AM CST	Special Marine Warning	MOB		38 min
Nov 30, 10:19 AM CST	Special Marine Warning	MOB		41 min
Nov 30, 10:29 AM CST	Severe Thunderstorm Warning	MOB	Butler, Monroe, Wilcox	61 min
Nov 30, 10:35 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe	55 min
Nov 30, 10:58 AM CST	Special Marine Warning	MOB		62 min
Nov 30, 11:06 AM CST	Special Weather Statement	MOB	Baldwin, Escambia, Mobile	54 min
Nov 30, 11:09 AM CST	Special Marine Warning	MOB		51 min
Nov 30, 11:29 AM CST	Special Weather Statement	MOB	Butler, Conecuh, Crenshaw	61 min
Nov 30, 11:32 AM CST	Severe Thunderstorm Warning	MOB	Mobile	43 min
Nov 30, 11:48 AM CST	Special Marine Warning	MOB		57 min
Nov 30, 11:49 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	41 min
Nov 30, 11:55 AM CST	Special Marine Warning	MOB		80 min
Nov 30, 11:58 AM CST	Severe Thunderstorm Warning	MOB	Baldwin	62 min
Nov 30, 12:25 PM CST	Severe Thunderstorm Warning	MOB	Escambia	50 min
Nov 30, 12:40 PM CST	Special Marine Warning	MOB		35 min
Nov 30, 1:01 PM CST	Special Marine Warning	MOB		89 min
Nov 30, 1:18 PM CST	Special Marine Warning	MOB		42 min
Nov 30, 1:44 PM CST	Special Weather Statement	MOB	Covington	46 min
Nov 30, 2:08 PM CST	Severe Thunderstorm Warning	MOB	Covington	22 min
Nov 30, 2:28 PM CST	Special Marine Warning	MOB		92 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.