Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 20, NWS Jackson, MS

January 1, 20114 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Jan 1, 2011, 4:34 AM CST for 4 counties in Mississippi. It was in force for 34 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: Jan 1, 2011, 4:34 AM CST (10:34 UTC)
Expired: Jan 1, 2011, 5:08 AM CST
In force: 34 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Covington County, MS, Jasper County, MS, Jones County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 99 km from the middle of the area, began a volume at 10:34 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
Jan 1, 3:10 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.6 hours before the alert went out and 181 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: 1298 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 483 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 329 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

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

325 
WFUS54 KJAN 011034
TORJAN
MSC031-061-067-129-011130-
/O.NEW.KJAN.TO.W.0020.110101T1034Z-110101T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
434 AM CST SAT JAN 1 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN SMITH COUNTY IN CENTRAL MISSISSIPPI...
  SOUTHERN JASPER COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF STRINGER...
  NORTHEASTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF COLLINS...
  NORTHERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...LAUREL...ELLISVILLE...

* UNTIL 530 AM CST

* AT 434 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR COLLINS
  MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  TAYLORSVILLE BY 440 AM CST...
  ELLISVILLE BY 450 AM CST...
  STRINGER BY 455 AM CST...
  MOSS...LAUREL...TUCKERS CROSSING AND BAY SPRINGS BY 500 AM CST...
  SANDERSVILLE...MILL CREEK AND TURNERVILLE BY 510 AM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST SATURDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3182 8892 3164 8892 3154 8950 3168 8961
      3212 8918 3188 8890 3183 8889
TIME...MOT...LOC 1034Z 243DEG 35KT 3167 8944

$$

COHEN

2 follow-up statements

716 
WWUS54 KJAN 011101
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
501 AM CST SAT JAN 1 2011

MSC031-011111-
/O.CAN.KJAN.TO.W.0020.000000T0000Z-110101T1130Z/
COVINGTON MS-
501 AM CST SAT JAN 1 2011

...THE TORNADO WARNING FOR EASTERN COVINGTON COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST SATURDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3182 8892 3172 8893 3173 8931 3179 8938
      3197 8932 3212 8918 3211 8916 3209 8915
      3187 8891 3183 8889
TIME...MOT...LOC 1101Z 242DEG 31KT 3185 8917

$$

MSC061-067-129-011130-
/O.CON.KJAN.TO.W.0020.000000T0000Z-110101T1130Z/
JONES MS-SMITH MS-JASPER MS-
501 AM CST SAT JAN 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CST FOR SOUTHERN
JASPER...SOUTHEASTERN SMITH AND NORTHERN JONES COUNTIES...

AT 501 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR MOSS MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  SANDERSVILLE BY 510 AM CST...
  HEIDELBERG BY 520 AM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST SATURDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3182 8892 3172 8893 3173 8931 3179 8938
      3197 8932 3212 8918 3211 8916 3209 8915
      3187 8891 3183 8889
TIME...MOT...LOC 1101Z 242DEG 31KT 3185 8917

$$

COHEN

511 
WWUS54 KJAN 011108
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
508 AM CST SAT JAN 1 2011

MSC061-067-129-011119-
/O.CAN.KJAN.TO.W.0020.000000T0000Z-110101T1130Z/
JONES MS-SMITH MS-JASPER MS-
508 AM CST SAT JAN 1 2011

...THE TORNADO WARNING FOR SOUTHERN JASPER...SOUTHEASTERN SMITH AND
NORTHERN JONES COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CST SATURDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3182 8892 3172 8893 3173 8931 3179 8938
      3197 8932 3212 8918 3211 8916 3209 8915
      3187 8891 3183 8889
TIME...MOT...LOC 1109Z 242DEG 31KT 3188 8910

$$

COHEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 6:00 PM CST	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	60 min
Dec 31, 6:09 PM CST	Tornado Warning	JAN	Rankin, Scott, Smith	66 min
Dec 31, 7:02 PM CST	Severe Thunderstorm Warning	JAN	Neshoba, Newton	58 min
Dec 31, 7:19 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	56 min
Dec 31, 7:20 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	55 min
Dec 31, 7:26 PM CST	Tornado Warning	JAN	Franklin, Lincoln	64 min
Dec 31, 7:54 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Neshoba	49 min
Dec 31, 8:00 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	60 min
Dec 31, 8:03 PM CST	Tornado Warning	JAN	Copiah	40 min
Dec 31, 8:11 PM CST	Severe Thunderstorm Warning	JAN	Issaquena	33 min
Dec 31, 8:25 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Leflore	50 min
Dec 31, 9:02 PM CST	Flash Flood Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo	3 hr
Dec 31, 9:26 PM CST	Flash Flood Watch	JAN	Attala, Carroll, Choctaw, Clay, Grenada, Holmes and 9 more	7 hr
Dec 31, 9:36 PM CST	Severe Thunderstorm Warning	JAN	Holmes	69 min
Dec 31, 9:37 PM CST	Flash Flood Warning	JAN	Carroll, Grenada, Humphreys, Montgomery	3 hr
Dec 31, 9:50 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	40 min
Dec 31, 10:01 PM CST	Severe Thunderstorm Warning	JAN	Attala, Carroll, Montgomery	59 min
Dec 31, 10:11 PM CST	Tornado Warning	JAN	Holmes	42 min
Dec 31, 10:15 PM CST	Severe Thunderstorm Warning	JAN	Webster	60 min
Dec 31, 10:18 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Warren, Yazoo	42 min
Dec 31, 10:21 PM CST	Tornado Warning	JAN	Carroll, Choctaw, Montgomery, Webster	54 min
Dec 31, 10:28 PM CST	Flash Flood Warning	JAN	Webster	3 hr
Dec 31, 10:59 PM CST	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Warren, Yazoo	61 min
Dec 31, 11:07 PM CST	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	53 min
Dec 31, 11:22 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Warren	68 min
Dec 31, 11:29 PM CST	Flash Flood Warning	JAN	Hinds, Madison, Rankin, Warren, Yazoo	4 hr
Dec 31, 11:35 PM CST	Tornado Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	55 min
Dec 31, 11:39 PM CST	Tornado Warning	JAN	Attala, Holmes	66 min
Dec 31, 11:56 PM CST	Severe Thunderstorm Warning	JAN	Madison, Yazoo	64 min
Dec 31, 11:58 PM CST	Flash Flood Warning	JAN	Attala, Choctaw, Holmes	3 hr
Jan 1, 12:11 AM CST	Tornado Warning	JAN	Rankin, Scott, Smith	64 min
Jan 1, 12:16 AM CST	Tornado Warning	JAN	Leake, Madison	59 min
Jan 1, 12:21 AM CST	Tornado Warning	JAN	Choctaw, Clay, Montgomery, Oktibbeha, Winston	54 min
Jan 1, 12:46 AM CST	Tornado Warning	JAN	Attala, Choctaw, Leake, Neshoba, Winston	59 min
Jan 1, 1:05 AM CST	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	55 min
Jan 1, 1:11 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Newton, Scott	64 min
Jan 1, 1:38 AM CST	Severe Thunderstorm Warning	JAN	Scott, Smith	67 min
Jan 1, 1:46 AM CST	Flash Flood Warning	JAN	Copiah, Simpson, Smith	5 hr
Jan 1, 1:47 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Noxubee, Winston	58 min
Jan 1, 1:50 AM CST	Tornado Warning	JAN	Lowndes	25 min
Jan 1, 1:54 AM CST	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott	3 hr
Jan 1, 2:05 AM CST	Flash Flood Warning	JAN	Lowndes, Noxubee, Oktibbeha, Winston	2 hr
Jan 1, 2:40 AM CST	Tornado Warning	JAN	Noxubee	17 min
Jan 1, 2:45 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	60 min
Jan 1, 2:51 AM CST	Flash Flood Warning	JAN	Kemper, Lauderdale	3 hr
Jan 1, 2:56 AM CST	Tornado Warning	JAN	Kemper	64 min
Jan 1, 3:24 AM CST	Tornado Warning	JAN	Noxubee	34 min
Jan 1, 3:41 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	79 min
Jan 1, 4:21 AM CST	Severe Thunderstorm Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Smith	50 min
Jan 1, 4:47 AM CST	Flash Flood Warning	JAN	Clarke, Jasper, Jones	3 hr
Jan 1, 9:41 AM CST	River Flood Warning	JAN	Clay	23 hr

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.