Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 69, NWS Mobile, AL

March 17, 2016Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 2:09 PM CDT for Mobile County, Alabama. It was in force for 51 min. 1 report 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 17, 2016, 2:09 PM CDT (19:09 UTC)
Expired: Mar 17, 2016, 3:00 PM CDT
In force: 51 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.5 in
Wind: 70.0 mph

County Mobile County, AL

The radar

The Mobile radar (KMOB), 24 km from the middle of the area, began a volume at 19:11 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 17, 2:13 PM CDT	TSTM WND DMG	5 E Earlville, AL	TREE DOWN ON BOOTHTOWN ROAD NEAR LOTT ROAD. TIME ESTIMATED FROM RADAR.

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 17, 1:19 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.2 hours before the alert went out and 170 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.

598 
WUUS54 KMOB 171909
SVRMOB
ALC097-172000-
/O.NEW.KMOB.SV.W.0069.160317T1909Z-160317T2000Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 300 PM CDT

* AT 209 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM GULFCREST TO 8 MILES WEST OF CHUNCHULA TO 8 MILES
  SOUTHEAST OF LUCEDALE...MOVING EAST AT 35 TO 40 MPH.

  HAZARD...70 MPH WIND GUSTS AND PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  MOBILE...PRICHARD...SARALAND...SATSUMA...CHICKASAW...CREOLA...GULFCREST...
  AXIS...I65 AND I165...BUCKS...I65 AND US 43...CHUNCHULA...I65 AND US 45...
  SEMMES AND I65 AND AL 158.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3077 8842 3093 8842 3105 8827 3099 8787
      3097 8789 3095 8787 3093 8794 3092 8796
      3092 8797 3087 8799 3083 8794 3081 8799
      3078 8802 3074 8802 3072 8804 3075 8803
      3075 8804 3073 8805 3071 8825
TIME...MOT...LOC 1909Z 282DEG 32KT 3100 8827 3091 8835 3084 8849 

HAIL...1.50IN
WIND...70MPH
 
$$

3 follow-up statements

935 
WWUS54 KMOB 171928
SVSMOB

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

ALC097-172000-
/O.CON.KMOB.SV.W.0069.000000T0000Z-160317T2000Z/
MOBILE AL-
228 PM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHERN MOBILE COUNTY...

AT 227 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CHUNCHULA TO 6 MILES NORTHWEST OF I65 AND AL 158
TO NEAR SEMMES...MOVING EAST AT 20 TO 25 MPH.

HAZARD...70 MPH WIND GUSTS AND PING PONG BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
MOBILE...PRICHARD...SARALAND...SATSUMA...CHICKASAW...CREOLA...GULFCREST...
AXIS...I65 AND I165...BUCKS...I65 AND US 43...CHUNCHULA...I65 AND US 45...
SEMMES AND I65 AND AL 158.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3077 8842 3093 8842 3105 8827 3099 8787
      3097 8789 3095 8787 3093 8794 3092 8796
      3092 8797 3087 8799 3083 8794 3081 8799
      3078 8802 3074 8802 3072 8804 3075 8803
      3075 8804 3073 8805 3071 8825
TIME...MOT...LOC 1927Z 292DEG 17KT 3096 8820 3085 8820 3074 8829 

HAIL...1.50IN
WIND...70MPH
 
$$

821 
WWUS54 KMOB 171939
SVSMOB

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

ALC097-172000-
/O.CON.KMOB.SV.W.0069.000000T0000Z-160317T2000Z/
MOBILE AL-
239 PM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHERN MOBILE COUNTY...

AT 238 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CHUNCHULA TO NEAR SATSUMA TO NORTH OF REGIONAL
AIRPORT IN WEST MOBILE...MOVING EAST AT 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. 

LOCATIONS IMPACTED INCLUDE...
MOBILE...PRICHARD...SARALAND...SATSUMA...CHICKASAW...CREOLA...GULFCREST...
AXIS...I65 AND I165...I65 AND US 43...CHUNCHULA...I65 AND US 45...SEMMES
AND I65 AND AL 158.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3075 8835 3095 8835 3103 8825 3099 8787
      3097 8789 3095 8787 3093 8794 3092 8796
      3092 8797 3087 8799 3083 8794 3081 8799
      3078 8802 3074 8802 3072 8804 3075 8803
      3075 8804 3073 8805 3071 8825
TIME...MOT...LOC 1938Z 263DEG 26KT 3097 8814 3086 8811 3069 8820 

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

021 
WWUS54 KMOB 171949
SVSMOB

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

ALC097-172000-
/O.CON.KMOB.SV.W.0069.000000T0000Z-160317T2000Z/
MOBILE AL-
249 PM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHEASTERN MOBILE COUNTY...

AT 248 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR AXIS TO CREOLA TO SARALAND TO I65 AND US 45...
MOVING EAST AT 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. 

LOCATIONS IMPACTED INCLUDE...
MOBILE...PRICHARD...SARALAND...SATSUMA...CHICKASAW...CREOLA...AXIS...I65 AND
AL 158...I65 AND I165...I65 AND US 43 AND CHUNCHULA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3077 8824 3093 8821 3102 8820 3099 8787
      3097 8789 3095 8787 3093 8794 3092 8796
      3092 8797 3087 8799 3083 8794 3081 8799
      3078 8802 3074 8803 3075 8803 3075 8804
      3073 8805
TIME...MOT...LOC 1948Z 279DEG 24KT 3096 8803 3089 8801 3081 8805 3076
8812

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, 2:11 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, 3:53 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.