Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 13, NWS Mobile, AL

March 16, 2014Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 16, 2014, 8:28 AM CDT for Mobile County, Alabama. It was in force for 62 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 16, 2014, 8:28 AM CDT (13:28 UTC)
Expired: Mar 16, 2014, 9:30 AM CDT
In force: 62 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 11 km from the middle of the area, began a volume at 13:29 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 16, 4:51 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.5 hours before the alert went out and 156 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: 1142 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

239 
WUUS54 KMOB 161328
SVRMOB
ALC097-161430-
/O.NEW.KMOB.SV.W.0013.140316T1328Z-140316T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
828 AM CDT SUN MAR 16 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL AND SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 930 AM CDT

* AT 824 AM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
  5 MILES WEST OF CHICKASAW TO 3 MILES WEST OF MIDTOWN MOBILE TO 7
  MILES NORTH OF GRAND BAY TO 6 MILES EAST OF ESCATAWPA...AND
  MOVING EAST AT 45 MPH. THE SPEED OF MOVEMENT OF THIS LINE WILL
  LIKELY INCREASE DURING THE NEXT HALF HOUR.

* LOCATIONS IMPACTED INCLUDE...
  MIDTOWN MOBILE...     DOWNTOWN MOBILE...    TILLMANS CORNER...
  THEODORE...           SEMMES...             PRICHARD...
  REGIONAL AIRPORT IN WEST MOBILE...          I65 AND US 45...
  I65 AND I165...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 28. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3041 8840 3061 8841 3070 8835 3080 8823
      3082 8797 3078 8802 3075 8803 3074 8801
      3072 8801 3070 8800 3064 8803 3064 8805
      3059 8805 3057 8808 3039 8810
TIME...MOT...LOC 1326Z 264DEG 40KT 3077 8813 3067 8816
          3058 8830 3050 8843

$$

2 follow-up statements

660 
WWUS54 KMOB 161345
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
845 AM CDT SUN MAR 16 2014

ALC097-161430-
/O.CON.KMOB.SV.W.0013.000000T0000Z-140316T1430Z/
MOBILE AL-
845 AM CDT SUN MAR 16 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR SOUTHERN MOBILE COUNTY...

AT 843 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF SPANISH FORT TO 
SPANISH FORT TO TILLMANS CORNER TO THEODORE...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FOWL
RIVER...LAURENDINE...DELCHAMPS...SOUTH ORCHARD...HOLLINGERS ISLAND...
SMITHPORT...BAYLEYS CORNER...FAUSTINAS...BELLE FONTAINE...MON LOUIS
AND SUNNY COVE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3041 8840 3056 8828 3063 8820 3081 8813
      3082 8797 3078 8802 3075 8803 3074 8801
      3070 8800 3064 8803 3064 8805 3059 8805
      3057 8808 3039 8810
TIME...MOT...LOC 1345Z 264DEG 40KT 3079 8789 3069 8792
          3060 8806 3052 8819

$$

949 
WWUS54 KMOB 161423
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
923 AM CDT SUN MAR 16 2014

ALC097-161430-
/O.CON.KMOB.SV.W.0013.000000T0000Z-140316T1430Z/
MOBILE AL-
923 AM CDT SUN MAR 16 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR SOUTH CENTRAL MOBILE COUNTY...

AT 920 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM FAIRHOPE TO POINT CLEAR TO 8 
MILES EAST OF BAYOU LA BATRE TO DAUPHIN ISLAND...MOVING EAST AT 45 
MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3041 8827 3057 8808 3056 8808 3053 8808
      3053 8809 3052 8808 3051 8809 3047 8809
      3045 8810 3043 8809 3039 8810
TIME...MOT...LOC 1423Z 264DEG 40KT 3054 8785 3048 8794
          3039 8808 3031 8821

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 3:44 AM CDT	Flash Flood Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	9 hr
Mar 16, 5:06 AM CDT	Tornado Warning	MOB	Choctaw, Clarke	24 min
Mar 16, 5:30 AM CDT	Tornado Warning	MOB	Clarke	30 min
Mar 16, 5:53 AM CDT	Severe Thunderstorm Warning	MOB	Washington	52 min
Mar 16, 6:00 AM CDT	Tornado Warning	MOB	Clarke, Wilcox	45 min
Mar 16, 6:31 AM CDT	Tornado Warning	MOB	Washington	44 min
Mar 16, 6:43 AM CDT	Areal Flood Advisory	MOB	Mobile	2 hr
Mar 16, 7:09 AM CDT	Flash Flood Warning	MOB	Mobile	3 hr
Mar 16, 7:41 AM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	4 hr
Mar 16, 7:46 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	44 min
Mar 16, 7:59 AM CDT	Tornado Warning	MOB	Baldwin, Mobile	31 min
Mar 16, 8:18 AM CDT	Tornado Warning	MOB	Escambia	27 min
Mar 16, 8:31 AM CDT	Special Marine Warning	MOB		89 min
Mar 16, 8:37 AM CDT	Tornado Warning	MOB	Conecuh, Covington	38 min
Mar 16, 9:01 AM CDT	Flash Flood Warning	MOB	Baldwin, Conecuh, Escambia	29 min
Mar 16, 9:19 AM CDT	Areal Flood Warning	MOB	Baldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 1 more	6 hr
Mar 16, 9:25 AM CDT	Special Marine Warning	MOB		95 min
Mar 16, 9:48 AM CDT	Special Marine Warning	MOB		117 min
Mar 16, 9:49 AM CDT	Flash Flood Warning	MOB	Covington, Escambia	3 hr
Mar 16, 10:00 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Mar 16, 10:08 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	52 min
Mar 16, 10:14 AM CDT	Special Marine Warning	MOB		91 min
Mar 16, 10:59 AM CDT	Special Marine Warning	MOB		91 min
Mar 16, 2:35 PM CDT	Special Marine Warning	MOB		85 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2014 Every severe thunderstorm warning in 2014

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.