Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 108, NWS Mobile, AL

March 31, 20165 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 31, 2016, 10:58 AM CDT for 5 counties in Alabama. It was in force for 62 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 31, 2016, 10:58 AM CDT (15:58 UTC)
Expired: Mar 31, 2016, 12:00 PM CDT
In force: 62 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 70.0 mph

Counties Baldwin County, AL, Clarke County, AL, Conecuh County, AL, Escambia County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 80 km from the middle of the area, began a volume at 16:00 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.

What was reported inside it

Time	Report	Where	Remark
Mar 31, 11:15 AM CDT	TSTM WND DMG	Uriah, AL	TREES AND POWER LINES DOWN
Mar 31, 11:24 AM CDT	TSTM WND DMG	4 Nnw Carney, AL	POARCH CREEK EMA REPORTS DOWNED POWERLINES AT THE INTERSECTION OF JACK SPRINGS AND STILL FARM RD. TIME ESTIMATED FROM RADAR.
Mar 31, 12:08 PM CDT	HAIL 1	Appleton, AL	QUARTER SIZE HAIL REPORTED IN APPLETON

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 31, 8:43 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.0 hours before the alert went out and 224 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: 596 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 466 m²/s²
0-3 km storm-relative helicity: 554 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 8.6

Open this sounding in Storm Lab

The text

As transmitted.

736 
WUUS54 KMOB 311558
SVRMOB
ALC003-025-035-053-099-311700-
/O.NEW.KMOB.SV.W.0108.160331T1558Z-160331T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1058 AM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTH CENTRAL CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL NOON CDT

* AT 1058 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES WEST OF MEGARGEL TO 11 MILES EAST OF MALCOLM
  TO 7 MILES EAST OF CALVERT TO MOUNT VERNON...MOVING EAST AT 30 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  ATMORE...EVERGREEN...FRISCO CITY...EXCEL...CASTLEBERRY...REPTON...POARCH
  CREEK RESERVATION...I65 AND AL 41...I65 AND AL 21...MEGARGEL...I65 AND
  CR 1...MCCULLOUGH...I65 AND AL 113...I65 AND CR 6...I65 AND US 84...I65
  AND CR 47 AND URIAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8760 3099 8760 3104 8795 3106 8794
      3107 8796 3108 8797 3113 8794 3115 8794
      3115 8795 3122 8790 3145 8754
TIME...MOT...LOC 1558Z 275DEG 24KT 3140 8753 3122 8782 3113 8789 3110
8800

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

BUTTS

3 follow-up statements

900 
WWUS54 KMOB 311616
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1116 AM CDT THU MAR 31 2016

ALC003-025-035-053-099-311700-
/O.CON.KMOB.SV.W.0108.000000T0000Z-160331T1700Z/
CONECUH AL-BALDWIN AL-MONROE AL-ESCAMBIA AL-CLARKE AL-
1116 AM CDT THU MAR 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHERN CONECUH...NORTHWESTERN BALDWIN...SOUTHWESTERN MONROE...
WESTERN ESCAMBIA AND SOUTHERN CLARKE COUNTIES...

AT 1116 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR EXCEL TO NEAR URIAH TO 6 MILES WEST OF MCCULLOUGH
TO 7 MILES NORTHWEST OF I65 AND CR 47 TO 10 MILES NORTH OF I65 AND AL
59...MOVING EAST AT 35 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
ATMORE...EVERGREEN...FRISCO CITY...EXCEL...CASTLEBERRY...REPTON...POARCH
CREEK RESERVATION...I65 AND AL 41...I65 AND AL 21...MEGARGEL...I65 AND CR
1...MCCULLOUGH...I65 AND AL 113...I65 AND CR 6...I65 AND US 84...I65 AND
CR 47 AND URIAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8760 3099 8760 3104 8795 3106 8794
      3107 8796 3108 8797 3113 8794 3115 8794
      3115 8795 3122 8790 3123 8782 3130 8773
      3145 8754
TIME...MOT...LOC 1616Z 275DEG 29KT 3138 8735 3124 8746 3120 8764 3111
8771 3110 8783

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

BUTTS

253 
WWUS54 KMOB 311629
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1129 AM CDT THU MAR 31 2016

ALC003-025-311638-
/O.CAN.KMOB.SV.W.0108.000000T0000Z-160331T1700Z/
BALDWIN AL-CLARKE AL-
1129 AM CDT THU MAR 31 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BALDWIN AND
SOUTHERN CLARKE 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 200 PM CDT FOR SOUTHWESTERN
ALABAMA.

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

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8761 3124 8762 3126 8768 3127 8766
      3145 8749
TIME...MOT...LOC 1628Z 277DEG 30KT 3135 8736 3121 8747 3114 8755 3109
8763

$$

ALC035-053-099-311700-
/O.CON.KMOB.SV.W.0108.000000T0000Z-160331T1700Z/
CONECUH AL-MONROE AL-ESCAMBIA AL-
1129 AM CDT THU MAR 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHERN CONECUH...SOUTH CENTRAL MONROE AND WESTERN ESCAMBIA
COUNTIES...

AT 1128 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MEGARGEL TO 6 MILES SOUTH OF URIAH TO MCCULLOUGH
TO NEAR POARCH CREEK RESERVATION...MOVING EAST AT 35 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
ATMORE...EVERGREEN...FRISCO CITY...EXCEL...CASTLEBERRY...REPTON...POARCH
CREEK RESERVATION...I65 AND AL 41...I65 AND AL 21...MEGARGEL...I65 AND CR
1...MCCULLOUGH...I65 AND AL 113...I65 AND CR 6...I65 AND US 84 AND URIAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8761 3124 8762 3126 8768 3127 8766
      3145 8749
TIME...MOT...LOC 1628Z 277DEG 30KT 3135 8736 3121 8747 3114 8755 3109
8763

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

BUTTS

422 
WWUS54 KMOB 311645
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1145 AM CDT THU MAR 31 2016

ALC099-311654-
/O.CAN.KMOB.SV.W.0108.000000T0000Z-160331T1700Z/
MONROE AL-
1145 AM CDT THU MAR 31 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MONROE COUNTY 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 200 PM CDT FOR SOUTH CENTRAL
ALABAMA.

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

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8752 3126 8747 3126 8742 3128 8742
      3132 8736 3135 8735 3144 8724
TIME...MOT...LOC 1644Z 278DEG 30KT 3132 8723 3118 8730 3111 8738 3106
8746

$$

ALC035-053-311700-
/O.CON.KMOB.SV.W.0108.000000T0000Z-160331T1700Z/
CONECUH AL-ESCAMBIA AL-
1145 AM CDT THU MAR 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHERN CONECUH AND WESTERN ESCAMBIA COUNTIES...

AT 1144 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR I65 AND AL 41 TO I65 AND AL 113 TO NEAR I65 AND
AL 21 TO NEAR ATMORE...MOVING EAST AT 35 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...
ATMORE...EVERGREEN...CASTLEBERRY...REPTON...I65 AND AL 41...I65 AND AL 21...
I65 AND AL 113...I65 AND CR 6 AND I65 AND US 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTH CENTRAL
ALABAMA.

LAT...LON 3142 8677 3109 8713 3104 8724 3100 8745
      3100 8752 3126 8747 3126 8742 3128 8742
      3132 8736 3135 8735 3144 8724
TIME...MOT...LOC 1644Z 278DEG 30KT 3132 8723 3118 8730 3111 8738 3106
8746

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

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 8:48 PM CDT	River Flood Warning	MOB	Escambia	24 hr
Mar 31, 9:08 AM CDT	Severe Thunderstorm Warning	MOB	Mobile, Washington	67 min
Mar 31, 9:27 AM CDT	Areal Flood Advisory	MOB	Mobile, Washington	2 hr
Mar 31, 10:01 AM CDT	River Flood Warning	MOB	Baldwin	3 days
Mar 31, 10:04 AM CDT	River Flood Warning	MOB	Escambia	6 days
Mar 31, 10:06 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Escambia, Mobile, Monroe, Washington	54 min
Mar 31, 10:14 AM CDT	Special Weather Statement	MOB	Choctaw	61 min
Mar 31, 10:47 AM CDT	Areal Flood Advisory	MOB	Baldwin, Clarke, Conecuh, Escambia, Mobile, Monroe and 1 more	118 min
Mar 31, 11:33 AM CDT	Special Weather Statement	MOB	Washington	27 min
Mar 31, 11:57 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	63 min
Mar 31, 12:59 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	61 min
Mar 31, 1:06 PM CDT	Special Weather Statement	MOB	Escambia	54 min
Mar 31, 2:01 PM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	29 min
Mar 31, 2:32 PM CDT	Special Weather Statement	MOB	Covington	28 min
Mar 31, 5:10 PM CDT	Special Weather Statement	MOB	Choctaw	50 min
Mar 31, 5:26 PM CDT	Special Weather Statement	MOB	Clarke	49 min
Mar 31, 6:06 PM CDT	Tornado Warning	MOB	Choctaw	24 min
Mar 31, 6:15 PM CDT	Tornado Warning Considerable damage threat	MOB	Choctaw, Clarke	45 min
Mar 31, 6:57 PM CDT	Special Weather Statement	MOB	Wilcox	48 min
Mar 31, 6:58 PM CDT	Areal Flood Advisory	MOB	Clarke, Wilcox	3 hr
Mar 31, 6:59 PM CDT	Special Weather Statement	MOB	Clarke	46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.