Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 222, NWS Jackson, MS

November 16, 2011Clarke County, Mississippi

NWS Jackson, MS issued this tornado warning at Nov 16, 2011, 5:47 AM CST for Clarke County, Mississippi. It was in force for 43 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 16, 2011, 5:47 AM CST (11:47 UTC)
Expired: Nov 16, 2011, 6:30 AM CST
In force: 43 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Clarke County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 120 km from the middle of the area, began a volume at 11:48 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 16, 2:20 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.8 hours before the alert went out and 130 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: 287 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

879 
WFUS54 KJAN 161147
TORJAN
MSC023-161230-
/O.NEW.KJAN.TO.W.0222.111116T1147Z-111116T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
547 AM CST WED NOV 16 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLARKE COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF QUITMAN...

* UNTIL 630 AM CST

* AT 548 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BARNETT
  MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  STONEWALL...SABLE...MIDDLETON AND SNELL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST WEDNESDAY MORNING
FOR EASTERN MISSISSIPPI.

&&

LAT...LON 3191 8891 3207 8891 3223 8878 3222 8842
      3220 8843
TIME...MOT...LOC 1148Z 227DEG 38KT 3197 8892

$$

BYB

2 follow-up statements

759 
WWUS54 KJAN 161208
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
608 AM CST WED NOV 16 2011

MSC023-161230-
/O.CON.KJAN.TO.W.0222.000000T0000Z-111116T1230Z/
CLARKE MS-
608 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CST FOR NORTHERN
CLARKE COUNTY...

AT 608 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 6 MILES WEST OF QUITMAN MOVING NORTHEAST AT 40
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SABLE...MIDDLETON AND SNELL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST WEDNESDAY MORNING
FOR EASTERN MISSISSIPPI.

&&

LAT...LON 3195 8884 3203 8886 3222 8868 3222 8842
      3220 8843
TIME...MOT...LOC 1208Z 230DEG 34KT 3205 8877

$$

BYB

779 
WWUS54 KJAN 161223
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
623 AM CST WED NOV 16 2011

MSC023-161230-
/O.CON.KJAN.TO.W.0222.000000T0000Z-111116T1230Z/
CLARKE MS-
623 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CST FOR
NORTHEASTERN CLARKE COUNTY...

AT 623 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR MIDDLETON MOVING NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SNELL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST WEDNESDAY MORNING
FOR EASTERN MISSISSIPPI.

&&

LAT...LON 3220 8843 3207 8865 3213 8869 3222 8859
      3222 8842
TIME...MOT...LOC 1223Z 236DEG 37KT 3213 8861

$$

BYB

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 16, 1:20 AM CST	Special Weather Statement	JAN	Neshoba	60 min
Nov 16, 1:44 AM CST	Special Weather Statement	JAN	Kemper, Lauderdale, Noxubee	61 min
Nov 16, 2:16 AM CST	Special Weather Statement	JAN	Jefferson Davis	44 min
Nov 16, 2:54 AM CST	Tornado Warning	JAN	Covington, Jefferson Davis	66 min
Nov 16, 3:20 AM CST	Tornado Warning	JAN	Lawrence, Marion	25 min
Nov 16, 3:45 AM CST	Tornado Warning	JAN	Jefferson Davis	45 min
Nov 16, 3:49 AM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Marion	26 min
Nov 16, 3:51 AM CST	Tornado Warning	JAN	Smith	23 min
Nov 16, 3:51 AM CST	Tornado Warning	JAN	Jefferson Davis, Lawrence, Marion	24 min
Nov 16, 4:12 AM CST	Tornado Warning	JAN	Covington	48 min
Nov 16, 4:16 AM CST	Tornado Warning	JAN	Covington, Jefferson Davis, Lamar, Marion	44 min
Nov 16, 4:38 AM CST	Tornado Warning	JAN	Smith	35 min
Nov 16, 4:55 AM CST	Tornado Warning	JAN	Jones	38 min
Nov 16, 5:22 AM CST	Tornado Warning	JAN	Jasper	38 min
Nov 16, 5:25 AM CST	Tornado Warning	JAN	Lamar	20 min
Nov 16, 6:32 AM CST	Tornado Warning	JAN	Clarke, Lauderdale	28 min
Nov 16, 5:34 PM CST	Special Weather Statement	JAN	Clarke	46 min

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.