Alert archive / Mississippi / Tornado Warnings in 2010

Tornado Warning 113, NWS Jackson, MS

December 31, 20104 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Dec 31, 2010, 5:36 PM CST for 4 counties in Mississippi. It was in force for 39 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: Dec 31, 2010, 5:36 PM CST (23:36 UTC)
Expired: Dec 31, 2010, 6:15 PM CST
In force: 39 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 18 km from the middle of the area, began a volume at 23:37 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
Dec 31, 5:45 PM CST	TSTM WND GST 60	Star, MS	PUBLIC ESTIMATED WINDS OF 60-65MPH. NUMEROUS LIMBS WERE DOWNED.

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
Dec 31, 1:34 PM CST	Tornado Watch	SPC	6 hr
Dec 31, 3:58 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.6 hours before the alert went out and 23 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: 100 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 523 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

445 
WFUS54 KJAN 312336
TORJAN
MSC121-123-127-129-010015-
/O.NEW.KJAN.TO.W.0113.101231T2336Z-110101T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
536 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN RANKIN COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF STAR...
  SOUTHWESTERN SCOTT COUNTY IN CENTRAL MISSISSIPPI...
  NORTHWESTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI...
  NORTHWESTERN SMITH COUNTY IN CENTRAL MISSISSIPPI...

* UNTIL 615 PM CST

* AT 536 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WHITES
  MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  MONTEREY BY 545 PM CST...
  CATO BY 550 PM CST...
  JOHNS BY 555 PM CST...
  PELAHATCHIE BY 610 PM CST...
  PULASKI BY 615 PM CST...

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 3204 9023 3209 9023 3242 8981 3222 8951
      3193 9012
TIME...MOT...LOC 2336Z 232DEG 40KT 3207 9009

$$

DHB

2 follow-up statements

513 
WWUS54 KJAN 312346
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
546 PM CST FRI DEC 31 2010

MSC121-123-127-129-010015-
/O.CON.KJAN.TO.W.0113.000000T0000Z-110101T0015Z/
SMITH MS-RANKIN MS-SCOTT MS-SIMPSON MS-
546 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR NORTH
CENTRAL SIMPSON...SOUTHWESTERN SCOTT...SOUTHERN RANKIN AND
NORTHWESTERN SMITH COUNTIES...

AT 546 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR STAR MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  JOHNS BY 555 PM CST...
  PELAHATCHIE AND POLKVILLE BY 605 PM CST...
  PULASKI BY 615 PM CST...

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 3210 9008 3215 9015 3242 8981 3222 8951
      3202 8994
TIME...MOT...LOC 2346Z 232DEG 40KT 3214 8998

$$

DHB

801 
WWUS54 KJAN 312356
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
556 PM CST FRI DEC 31 2010

MSC127-010006-
/O.CAN.KJAN.TO.W.0113.000000T0000Z-110101T0015Z/
SIMPSON MS-
556 PM CST FRI DEC 31 2010

...THE TORNADO WARNING FOR NORTH CENTRAL SIMPSON COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND MISSISSIPPI.

LAT...LON 3206 8995 3211 9003 3218 9009 3242 8981
      3222 8951
TIME...MOT...LOC 2356Z 232DEG 40KT 3221 8987

$$

MSC121-123-129-010015-
/O.CON.KJAN.TO.W.0113.000000T0000Z-110101T0015Z/
SMITH MS-RANKIN MS-SCOTT MS-
556 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
SOUTHWESTERN SCOTT...SOUTHERN RANKIN AND NORTHWESTERN SMITH
COUNTIES...

AT 556 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 6 MILES NORTHWEST OF JOHNS MOVING NORTHEAST AT 45
MPH.

THE TORNADO WILL BE NEAR...
  PELAHATCHIE AND POLKVILLE BY 605 PM CST...
  PULASKI BY 615 PM CST...

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 3206 8995 3211 9003 3218 9009 3242 8981
      3222 8951
TIME...MOT...LOC 2356Z 232DEG 40KT 3221 8987

$$

DHB

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 3:18 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Washington	42 min
Dec 31, 3:19 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Franklin, Jefferson, Lincoln	56 min
Dec 31, 3:23 PM CST	Tornado Warning	JAN	Franklin, Jefferson, Lincoln	37 min
Dec 31, 3:27 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Issaquena, Warren	48 min
Dec 31, 3:33 PM CST	Severe Thunderstorm Warning	JAN	Adams, Claiborne, Jefferson	42 min
Dec 31, 3:37 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	38 min
Dec 31, 3:51 PM CST	Tornado Warning	JAN	Claiborne, Jefferson	24 min
Dec 31, 4:03 PM CST	Tornado Warning	JAN	Copiah	27 min
Dec 31, 4:09 PM CST	Tornado Warning	JAN	Hinds, Warren, Yazoo	26 min
Dec 31, 4:10 PM CST	Flash Flood Warning	JAN	Claiborne, Warren	2 hr
Dec 31, 4:12 PM CST	Severe Thunderstorm Warning	JAN	Hinds, Rankin	63 min
Dec 31, 4:15 PM CST	Tornado Warning	JAN	Claiborne, Jefferson	30 min
Dec 31, 4:37 PM CST	Tornado Warning	JAN	Claiborne, Copiah	23 min
Dec 31, 4:44 PM CST	Tornado Warning Emergency	JAN	Hinds, Rankin	46 min
Dec 31, 4:59 PM CST	Tornado Warning	JAN	Copiah	31 min
Dec 31, 5:12 PM CST	Tornado Warning	JAN	Copiah, Hinds, Rankin, Simpson	33 min
Dec 31, 5:15 PM CST	Tornado Warning	JAN	Leake, Madison, Rankin, Scott	60 min
Dec 31, 5:29 PM CST	Flash Flood Warning	JAN	Copiah, Hinds, Rankin, Simpson	2 hr

Nearby

Tornado Warnings in Mississippi, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.