Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 40, NWS Mobile, AL

November 17, 2014Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 17, 2014, 4:42 AM CST for Crenshaw County, Alabama. It was in force for 20 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: Nov 17, 2014, 4:42 AM CST (10:42 UTC)
Expired: Nov 17, 2014, 5:02 AM CST
In force: 20 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 77 km from the middle of the area, began a volume at 10:43 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
Nov 17, 1:32 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.7 hours before the alert went out and 175 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 452 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 348 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

932 
WFUS54 KMOB 171042
TORMOB
ALC041-171130-
/O.NEW.KMOB.TO.W.0040.141117T1042Z-141117T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
442 AM CST MON NOV 17 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 530 AM CST

* AT 439 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTHWEST OF LUVERNE...OR 6 MILES SOUTH
  OF RUTLEDGE...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RUTLEDGE...           LUVERNE...            GLENWOOD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST MONDAY MORNING FOR
SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900
AM CST MONDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3163 8618 3162 8616 3162 8615 3156 8636
      3166 8645 3169 8645 3180 8619 3179 8614
      3178 8614 3166 8614
TIME...MOT...LOC 1041Z 241DEG 39KT 3166 8632

$$

1 follow-up statement

384 
WWUS54 KMOB 171102
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
502 AM CST MON NOV 17 2014

ALC041-171112-
/O.CAN.KMOB.TO.W.0040.000000T0000Z-141117T1130Z/
CRENSHAW AL-
502 AM CST MON NOV 17 2014

...THE TORNADO WARNING HAS BEEN CANCELLED FOR SOUTHERN CRENSHAW
COUNTY...

AT 459 AM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHERN
CRENSHAW COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST MONDAY MORNING FOR
SOUTHWEST ALABAMA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900
AM CST MONDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3163 8618 3162 8616 3162 8615 3156 8636
      3166 8645 3169 8645 3180 8619 3179 8614
      3178 8614 3166 8614
TIME...MOT...LOC 1102Z 241DEG 39KT 3177 8609

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 17, 1:29 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	61 min
Nov 17, 1:41 AM CST	Tornado Warning	MOB	Clarke, Washington	49 min
Nov 17, 2:08 AM CST	Tornado Warning	MOB	Clarke	37 min
Nov 17, 2:09 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Monroe, Washington	66 min
Nov 17, 2:37 AM CST	Tornado Warning	MOB	Clarke, Monroe, Wilcox	25 min
Nov 17, 3:07 AM CST	Tornado Warning	MOB	Conecuh, Monroe	53 min
Nov 17, 3:14 AM CST	Tornado Warning	MOB	Butler, Conecuh, Monroe, Wilcox	14 min
Nov 17, 3:22 AM CST	Special Marine Warning	MOB		83 min
Nov 17, 3:45 AM CST	Tornado Warning	MOB	Butler, Conecuh	45 min
Nov 17, 4:07 AM CST	Severe Thunderstorm Warning	MOB	Butler, Covington, Crenshaw	53 min
Nov 17, 4:21 AM CST	Tornado Warning	MOB	Butler, Crenshaw	39 min
Nov 17, 4:24 AM CST	Hard Freeze Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	26 hr
Nov 17, 4:24 AM CST	Wind Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	26 hr
Nov 17, 4:41 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Conecuh, Escambia	49 min
Nov 17, 5:09 AM CST	Special Marine Warning	MOB		2 hr
Nov 17, 5:47 AM CST	Gale Warning	MOB		24 hr
Nov 17, 5:47 AM CST	Small Craft Advisory	MOB		42 hr
Nov 17, 5:47 AM CST	Small Craft Advisory	MOB		36 hr
Nov 17, 5:51 AM CST	Fire Weather Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	48 hr
Nov 17, 5:51 AM CST	Fire Weather Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	25 hr

Nearby

Tornado Warnings in Alabama, 2014 Every tornado warning in 2014 Tornadoes 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.