Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 73, NWS Mobile, AL

March 17, 2016Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 3:53 PM CDT for Baldwin County, Alabama. It was in force for 37 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: Mar 17, 2016, 3:53 PM CDT (20:53 UTC)
Expired: Mar 17, 2016, 4:30 PM CDT
In force: 37 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 60 km from the middle of the area, began a volume at 20:53 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
Mar 17, 1:19 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.9 hours before the alert went out and 207 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: 1853 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

990 
WUUS54 KMOB 172053
SVRMOB
ALC003-172130-
/O.NEW.KMOB.SV.W.0073.160317T2053Z-160317T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
353 PM CDT THU MAR 17 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 430 PM CDT

* AT 353 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 12 MILES SOUTHEAST OF BAY MINETTE TO 8 MILES NORTH
  OF LOXLEY TO NEAR STAPLETON...MOVING EAST AT 20 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...
  LOXLEY...STAPLETON AND DAPHNE--FAIRHOPE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3064 8779 3076 8783 3088 8765 3087 8763
      3087 8764 3084 8762 3078 8754 3074 8753
      3072 8750 3072 8748 3071 8748 3062 8753
      3056 8766
TIME...MOT...LOC 2053Z 280DEG 18KT 3078 8760 3074 8774 3070 8778 

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

1 follow-up statement

656 
WWUS54 KMOB 172110
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
410 PM CDT THU MAR 17 2016

ALC003-172130-
/O.CON.KMOB.SV.W.0073.000000T0000Z-160317T2130Z/
BALDWIN AL-
410 PM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR EAST CENTRAL BALDWIN COUNTY...

AT 410 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 14 MILES WEST OF MOLINO TO 10 MILES NORTHEAST OF
ROBERTSDALE TO NEAR LOXLEY...MOVING EAST AT NEAR 30 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. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL BALDWIN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3060 8773 3073 8770 3088 8765 3087 8763
      3087 8764 3084 8762 3078 8754 3074 8753
      3072 8750 3072 8748 3071 8748 3062 8753
      3059 8765 3060 8772
TIME...MOT...LOC 2110Z 277DEG 21KT 3076 8755 3068 8761 3064 8769 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 6:14 AM CDT	Special Weather Statement	MOB	Monroe	46 min
Mar 17, 6:50 AM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe	40 min
Mar 17, 7:12 AM CDT	Special Weather Statement	MOB	Escambia	63 min
Mar 17, 7:26 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	49 min
Mar 17, 7:59 AM CDT	Special Weather Statement	MOB	Covington	31 min
Mar 17, 10:20 AM CDT	Special Marine Warning	MOB		25 min
Mar 17, 11:14 AM CDT	Special Marine Warning	MOB		46 min
Mar 17, 1:32 PM CDT	Special Marine Warning	MOB		58 min
Mar 17, 1:39 PM CDT	Special Marine Warning	MOB		66 min
Mar 17, 1:43 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	47 min
Mar 17, 2:09 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	51 min
Mar 17, 2:11 PM CDT	Special Marine Warning	MOB		49 min
Mar 17, 2:14 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	46 min
Mar 17, 2:17 PM CDT	Special Marine Warning	MOB		28 min
Mar 17, 2:31 PM CDT	Special Weather Statement	MOB	Baldwin	44 min
Mar 17, 3:28 PM CDT	Special Weather Statement	MOB	Baldwin	32 min
Mar 17, 4:08 PM CDT	Severe Thunderstorm Warning	MOB	Washington	39 min
Mar 17, 4:09 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	36 min
Mar 17, 4:13 PM CDT	Special Weather Statement	MOB	Monroe	47 min
Mar 17, 4:32 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe, Wilcox	43 min
Mar 17, 6:22 PM CDT	Areal Flood Warning	MOB	Baldwin, Butler, Choctaw, Clarke, Escambia, Mobile and 3 more	12 hr
Mar 17, 6:32 PM CDT	Flash Flood Watch	MOB	Baldwin, Choctaw, Clarke, Mobile, Washington	33 hr
Mar 17, 6:35 PM CDT	Special Weather Statement	MOB	Washington	55 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.