Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 5, NWS Jackson, MS

December 31, 20104 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Dec 31, 2010, 10:21 PM CST for 4 counties in Mississippi. It was in force for 54 min. 3 reports 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, 10:21 PM CST (04:21 UTC)
Expired: Dec 31, 2010, 11:15 PM CST
In force: 54 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Carroll County, MS, Choctaw County, MS, Montgomery County, MS, Webster County, MS

The radar

The Columbus AFB radar (KGWX), 116 km from the middle of the area, began a volume at 04:21 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, 10:30 PM CST	TSTM WND DMG	Winona, MS	A COUPLE TREES WERE BLOWN DOWN.
Dec 31, 10:38 PM CST	TSTM WND DMG	Kilmichael, MS	A COUPLE TREES WERE BLOWN DOWN.
Dec 31, 10:45 PM CST	HAIL 1.75	4 E Black Hawk, MS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.4 hours before the alert went out and 153 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1802 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

739 
WFUS54 KJAN 010421
TORJAN
MSC015-019-097-155-010515-
/O.NEW.KJAN.TO.W.0005.110101T0421Z-110101T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1021 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN CENTRAL MISSISSIPPI...
  SOUTHERN CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF BLACK HAWK...
  MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF WINONA...
  WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI...

* UNTIL 1115 PM CST

* AT 1021 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR VAIDEN
  MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  POPLAR CREEK BY 1030 PM CST...
  KILMICHAEL BY 1035 PM CST...
  LODI AND SWEATMAN BY 1040 PM CST...
  EMBRY AND CHESTER BY 1050 PM CST...
  EUPORA...BELLEFONTAINE AND REFORM BY 1055 PM CST...
  MATHISTON BY 1100 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.

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

&&

LAT...LON 3373 8932 3351 8908 3343 8908 3329 8938
      3329 8969 3323 8975 3323 8977 3332 9007
      3368 8954 3368 8951 3370 8950 3374 8945
TIME...MOT...LOC 0421Z 243DEG 46KT 3336 8973

$$

COHEN

3 follow-up statements

538 
WWUS54 KJAN 010432
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1032 PM CST FRI DEC 31 2010

MSC015-019-097-155-010515-
/O.CON.KJAN.TO.W.0005.000000T0000Z-110101T0515Z/
WEBSTER MS-CARROLL MS-MONTGOMERY MS-CHOCTAW MS-
1032 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR NORTHERN
CHOCTAW...MONTGOMERY...SOUTHERN CARROLL AND WEBSTER COUNTIES...

AT 1032 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR KILMICHAEL MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  LODI AND SWEATMAN BY 1040 PM CST...
  CHESTER BY 1050 PM CST...
  EUPORA AND EMBRY BY 1055 PM CST...
  WALTHALL...BELLEFONTAINE...SHERWOOD AND REFORM BY 1100 PM CST...
  MATHISTON BY 1105 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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS TO 70 MPH.

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

&&

LAT...LON 3373 8932 3351 8908 3343 8908 3329 8938
      3329 8969 3323 8975 3323 8977 3332 9007
      3368 8954 3368 8951 3370 8950 3374 8945
TIME...MOT...LOC 0432Z 239DEG 44KT 3343 8960

$$

COHEN

593 
WWUS54 KJAN 010445
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1045 PM CST FRI DEC 31 2010

MSC015-019-097-155-010515-
/O.CON.KJAN.TO.W.0005.000000T0000Z-110101T0515Z/
WEBSTER MS-CARROLL MS-MONTGOMERY MS-CHOCTAW MS-
1045 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR NORTHERN
CHOCTAW...MONTGOMERY...SOUTHERN CARROLL AND WEBSTER COUNTIES...

AT 1045 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO 
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS IS 
A NEW TORNADIC CIRCULATION ENTERING THE WARNED AREA FROM THE 
SOUTHWEST. THE TORNADO WAS LOCATED 7 MILES SOUTHEAST OF BLACK HAWK 
MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  VAIDEN BY 1050 PM CST...
  WINONA AND POPLAR CREEK BY 1100 PM CST...
  KILMICHAEL BY 1105 PM CST...
  LODI...SWEATMAN AND EMBRY BY 1115 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CST SATURDAY MORNING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3373 8932 3351 8908 3343 8908 3329 8938
      3329 8969 3323 8975 3323 8977 3332 9007
      3368 8954 3368 8951 3370 8950 3374 8945
TIME...MOT...LOC 0445Z 230DEG 48KT 3331 8985

$$

COHEN

570 
WWUS54 KJAN 010455
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1055 PM CST FRI DEC 31 2010

MSC015-019-097-155-010515-
/O.CON.KJAN.TO.W.0005.000000T0000Z-110101T0515Z/
WEBSTER MS-CARROLL MS-MONTGOMERY MS-CHOCTAW MS-
1055 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR NORTHERN
CHOCTAW...MONTGOMERY...SOUTHERN CARROLL AND WEBSTER COUNTIES...

AT 1055 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR VAIDEN MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  WINONA AND POPLAR CREEK BY 1100 PM CST...
  KILMICHAEL BY 1105 PM CST...
  LODI BY 1110 PM CST...
  SWEATMAN AND EMBRY BY 1115 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CST SATURDAY MORNING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3373 8932 3351 8908 3343 8908 3329 8938
      3329 8969 3323 8975 3323 8977 3332 9007
      3368 8954 3368 8951 3370 8950 3374 8945
TIME...MOT...LOC 0455Z 230DEG 48KT 3340 8973

$$

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, 10:28 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, 4:34 AM CST	Tornado Warning	JAN	Covington, Jasper, Jones, Smith	34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.