Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 220, NWS Jackson, MS

November 16, 2011Jasper County, Mississippi

NWS Jackson, MS issued this tornado warning at Nov 16, 2011, 5:22 AM CST for Jasper County, Mississippi. It was in force for 38 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, 5:22 AM CST (11:22 UTC)
Expired: Nov 16, 2011, 6:00 AM CST
In force: 38 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Jasper County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 102 km from the middle of the area, began a volume at 11:25 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, 5:30 AM CST	TORNADO	Moss, MS	LIKELY TORNADO IN MOSS AREA...NUMEROUS REPORTS OF TREES DOWN AND PROPERTY DAMAGE...REPORTED BY JASPER CO EMA AND AMATEUR RADIO OPERATORS

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, 11.4 hours before the alert went out and 112 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.

901 
WFUS54 KJAN 161122
TORJAN
MSC061-161200-
/O.NEW.KJAN.TO.W.0220.111116T1122Z-111116T1200Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JASPER COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 600 AM CST

* AT 522 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE       
  TRACKING A TORNADO NEAR MOSS MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HEIDELBERG AND STAFFORD SPRINGS

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 3182 8891 3180 8922 3181 8923 3206 8892
      3196 8891
TIME...MOT...LOC 1122Z 234DEG 36KT 3179 8915

$$

BYB

1 follow-up statement

367 
WWUS54 KJAN 161156
SVSJAN

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

MSC061-161206-
/O.EXP.KJAN.TO.W.0220.000000T0000Z-111116T1200Z/
JASPER MS-
556 AM CST WED NOV 16 2011

...THE TORNADO WARNING FOR SOUTHEASTERN JASPER COUNTY WILL EXPIRE AT
600 AM CST...

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

LAT...LON 3182 8891 3180 8922 3181 8923 3206 8892
      3196 8891
TIME...MOT...LOC 1156Z 234DEG 36KT 3199 8882

$$

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, 5:25 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.