Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Mobile, AL

January 21, 2016Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 21, 2016, 9:58 PM CST for Baldwin County, Mobile County, Alabama. It was in force for 47 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: Jan 21, 2016, 9:58 PM CST (03:58 UTC)
Expired: Jan 21, 2016, 10:45 PM CST
In force: 47 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.88 in
Wind: 60.0 mph

Counties Baldwin County, AL, Mobile County, AL

The radar

The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 04:00 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 21, 6:53 PM CST	Tornado Watch	SPC	10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.0 hours before the alert went out and 174 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: 390 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 738 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 305 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

As transmitted.

408 
WUUS54 KMOB 220358
SVRMOB
ALC003-097-220445-
/O.NEW.KMOB.SV.W.0004.160122T0358Z-160122T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
958 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 1045 PM CST

* AT 957 PM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER DOWNTOWN
  MOBILE...MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  MOBILE...PRICHARD...SARALAND...BAY MINETTE...SATSUMA...CHICKASAW...
  CREOLA...MIDTOWN MOBILE...DOWNTOWN MOBILE...I65 AND AL 287...I65
  AND AL 225 AND AXIS.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHWESTERN
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3061 8807 3077 8822 3120 8781 3095 8759
      3071 8794 3075 8792 3075 8795 3074 8794
      3068 8800 3070 8799 3074 8802 3074 8803
      3067 8802 3067 8803 3068 8803 3075 8804
TIME...MOT...LOC 0357Z 221DEG 34KT 3071 8807 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

BUTTS

1 follow-up statement

232 
WWUS54 KMOB 220417
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1017 PM CST THU JAN 21 2016

ALC003-097-220445-
/O.CON.KMOB.SV.W.0004.000000T0000Z-160122T0445Z/
BALDWIN AL-MOBILE AL-
1017 PM CST THU JAN 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR NORTHWESTERN BALDWIN AND NORTHEASTERN MOBILE COUNTIES...

AT 1016 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
I65 AND US 43...OR 7 MILES SOUTHEAST OF CREOLA...MOVING NORTHEAST AT
40 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
MOBILE...PRICHARD...SARALAND...BAY MINETTE...SATSUMA...CHICKASAW...
CREOLA...MIDTOWN MOBILE...DOWNTOWN MOBILE...I65 AND AL 287...I65 AND
AL 225 AND AXIS.

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 300 AM CST FOR SOUTHWESTERN
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3061 8807 3077 8822 3120 8781 3095 8759
      3071 8794 3075 8792 3075 8795 3074 8794
      3068 8800 3070 8799 3074 8802 3074 8803
      3067 8802 3067 8803 3068 8803 3075 8804
TIME...MOT...LOC 0416Z 221DEG 34KT 3085 8793 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 6:15 PM CST	Special Marine Warning	MOB		30 min
Jan 21, 6:44 PM CST	Special Marine Warning	MOB		31 min
Jan 21, 6:50 PM CST	Special Marine Warning	MOB		25 min
Jan 21, 7:39 PM CST	Severe Thunderstorm Warning	MOB	Choctaw	66 min
Jan 21, 7:57 PM CST	Special Weather Statement	MOB	Choctaw	63 min
Jan 21, 7:59 PM CST	Special Weather Statement	MOB	Escambia	46 min
Jan 21, 8:18 PM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	10 days
Jan 21, 8:18 PM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	10 days
Jan 21, 8:20 PM CST	Special Weather Statement	MOB	Mobile	40 min
Jan 21, 8:36 PM CST	Special Marine Warning	MOB		54 min
Jan 21, 8:52 PM CST	Special Weather Statement	MOB	Baldwin	23 min
Jan 21, 9:10 PM CST	Special Weather Statement	MOB	Clarke, Washington	50 min
Jan 21, 9:14 PM CST	Special Weather Statement	MOB	Covington	46 min
Jan 21, 9:19 PM CST	Special Weather Statement	MOB	Mobile	41 min
Jan 21, 9:26 PM CST	Special Weather Statement	MOB	Escambia	49 min
Jan 21, 9:37 PM CST	Special Marine Warning	MOB		38 min
Jan 21, 9:48 PM CST	Special Weather Statement	MOB	Clarke, Washington, Wilcox	57 min
Jan 21, 9:51 PM CST	Areal Flood Advisory	MOB	Mobile	3 hr
Jan 21, 10:03 PM CST	Special Marine Warning	MOB		57 min
Jan 21, 10:12 PM CST	Special Marine Warning	MOB		63 min
Jan 21, 10:38 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	37 min
Jan 21, 10:47 PM CST	Special Marine Warning	MOB		88 min
Jan 21, 10:58 PM CST	Tornado Warning	MOB	Baldwin, Escambia	32 min
Jan 21, 11:05 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Escambia	40 min
Jan 21, 11:17 PM CST	Special Marine Warning	MOB		88 min
Jan 21, 11:40 PM CST	Wind Advisory	MOB	Baldwin, Mobile	19 hr
Jan 21, 11:46 PM CST	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	44 min
Jan 22, 12:00 AM CST	Special Marine Warning	MOB		90 min
Jan 22, 12:11 AM CST	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Crenshaw, Escambia	64 min
Jan 22, 12:43 AM CST	Special Marine Warning	MOB		92 min
Jan 22, 1:02 AM CST	Special Marine Warning	MOB		58 min
Jan 22, 1:31 AM CST	Special Marine Warning	MOB		59 min
Jan 22, 1:59 AM CST	Special Marine Warning	MOB		61 min
Jan 22, 10:34 AM CST	River Flood Warning	MOB	Escambia	9 days

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.