Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 217, NWS Jackson, MS

November 16, 20114 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Nov 16, 2011, 4:16 AM CST for 4 counties in Mississippi. It was in force for 44 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: Nov 16, 2011, 4:16 AM CST (10:16 UTC)
Expired: Nov 16, 2011, 5:00 AM CST
In force: 44 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Covington County, MS, Jefferson Davis County, MS, Lamar County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 92 km from the middle of the area, began a volume at 10:16 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
Nov 16, 4:21 AM CST	TORNADO	3 S Bassfield, MS	NUMEROUS TREES DOWN ON S. WILLIAMSBURG, GATES, AND MCNEESE RDS. POWER OUTAGES REPORTED IN BASSFIELD AND MELBA. MINOR DAMAGE TO A CHICKEN HOUSE.

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
Nov 16, 2:20 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.3 hours before the alert went out and 100 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.

224 
WFUS54 KJAN 161016
TORJAN
MSC031-065-073-091-161100-
/O.NEW.KJAN.TO.W.0217.111116T1016Z-111116T1100Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  NORTHEASTERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF COLLINS...
  EXTREME NORTHWESTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 500 AM CST

* AT 417 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BUNKER HILL
  MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CARSON AND MELBA

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

LAT...LON 3129 8981 3144 8994 3177 8949 3166 8940
      3156 8940
TIME...MOT...LOC 1017Z 232DEG 37KT 3143 8978

$$

2 follow-up statements

565 
WWUS54 KJAN 161030
SVSJAN

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

MSC073-091-161040-
/O.CAN.KJAN.TO.W.0217.000000T0000Z-111116T1100Z/
MARION MS-LAMAR MS-
430 AM CST WED NOV 16 2011

...THE TORNADO WARNING FOR EXTREME NORTHWESTERN LAMAR AND
NORTHEASTERN MARION COUNTIES IS CANCELLED...

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

LAT...LON 3144 8967 3148 8975 3177 8949 3166 8940
      3156 8940
TIME...MOT...LOC 1030Z 232DEG 37KT 3151 8965

$$

MSC031-065-161100-
/O.CON.KJAN.TO.W.0217.000000T0000Z-111116T1100Z/
JEFFERSON DAVIS MS-COVINGTON MS-
430 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR COVINGTON
AND EAST CENTRAL JEFFERSON DAVIS COUNTIES...

AT 430 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 11 MILES WEST OF SEMINARY MOVING NORTHEAST AT 45
MPH.

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

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.

&&

LAT...LON 3144 8967 3148 8975 3177 8949 3166 8940
      3156 8940
TIME...MOT...LOC 1030Z 232DEG 37KT 3151 8965

$$

EEC

377 
WWUS54 KJAN 161049
SVSJAN

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

MSC065-161059-
/O.CAN.KJAN.TO.W.0217.000000T0000Z-111116T1100Z/
JEFFERSON DAVIS MS-
449 AM CST WED NOV 16 2011

...THE TORNADO WARNING FOR EAST CENTRAL JEFFERSON DAVIS COUNTY IS
CANCELLED...

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

LAT...LON 3152 8955 3157 8960 3174 8947 3166 8940
      3156 8940
TIME...MOT...LOC 1049Z 236DEG 35KT 3161 8947

$$

MSC031-161100-
/O.CON.KJAN.TO.W.0217.000000T0000Z-111116T1100Z/
COVINGTON MS-
449 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR EASTERN
COVINGTON COUNTY...

AT 449 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR SEMINARY MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.

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.

&&

LAT...LON 3152 8955 3157 8960 3174 8947 3166 8940
      3156 8940
TIME...MOT...LOC 1049Z 236DEG 35KT 3161 8947

$$

EEC

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, 4:38 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, 5:47 AM CST	Tornado Warning	JAN	Clarke	43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.