Alert archive / Mississippi / Tornado Warnings in 2015

Tornado Warning 49, NWS New Orleans, LA

November 17, 2015Amite County, Mississippi

NWS New Orleans, LA issued this tornado warning at Nov 17, 2015, 9:55 PM CST for Amite County, Mississippi. 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, 2015, 9:55 PM CST (03:55 UTC)
Expired: Nov 17, 2015, 10:15 PM CST
In force: 20 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Amite County, MS

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, 7:45 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.9 hours before the alert went out and 135 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: 107 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 309 m²/s²
0-3 km storm-relative helicity: 502 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

468 
WFUS54 KLIX 180355
TORLIX
MSC005-180430-
/O.NEW.KLIX.TO.W.0049.151118T0355Z-151118T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
955 PM CST TUE NOV 17 2015

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN AMITE COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 1030 PM CST
    
* AT 955 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR GLOSTER...OR 9 MILES WEST OF LIBERTY...
  MOVING NORTHEAST AT 45 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  SMITHDALE AROUND 1020 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3134 9055 3110 9098 3119 9106 3122 9106
      3135 9088 3135 9055
TIME...MOT...LOC 0355Z 232DEG 41KT 3121 9095 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

1 follow-up statement

461 
WWUS54 KLIX 180415
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1015 PM CST TUE NOV 17 2015

MSC005-180425-
/O.CAN.KLIX.TO.W.0049.000000T0000Z-151118T0430Z/
AMITE MS-
1015 PM CST TUE NOV 17 2015

...THE TORNADO WARNING FOR NORTHERN AMITE COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHERN
MISSISSIPPI.

LAT...LON 3134 9055 3110 9098 3119 9106 3122 9106
      3135 9088 3135 9055
TIME...MOT...LOC 0412Z 232DEG 41KT 3135 9074 

$$

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 17, 6:02 PM CST	Coastal Flood Advisory	LIX		15 hr
Nov 18, 3:54 AM CST	Special Weather Statement	LIX	Hancock	36 min
Nov 18, 4:13 AM CST	Special Weather Statement	LIX	Jackson	32 min
Nov 18, 5:39 AM CST	Special Weather Statement	LIX	Hancock, Harrison, Jackson	66 min
Nov 18, 7:39 AM CST	Special Weather Statement	LIX	Jackson	36 min
Nov 18, 9:41 AM CST	River Flood Warning	LIX	Pearl River	34 hr
Nov 18, 9:41 AM CST	River Flood Warning	LIX	Pearl River	39 hr
Nov 18, 9:58 AM CST	River Flood Warning	LIX	Hancock, Pearl River	9 days
Nov 18, 9:58 AM CST	River Flood Warning	LIX	Hancock, Pearl River	9 days

Nearby

Tornado Warnings in Mississippi, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.