Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 113, NWS Jackson, MS

April 26, 2011Bolivar County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 26, 2011, 6:20 PM CDT for Bolivar County, Mississippi. It was in force for 37 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: Apr 26, 2011, 6:20 PM CDT (23:20 UTC)
Expired: Apr 26, 2011, 6:57 PM CDT
In force: 37 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 23:22 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
Apr 26, 3:02 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.3 hours before the alert went out and 124 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: 112 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 159 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.

411 
WFUS54 KJAN 262320
TORJAN
MSC011-270015-
/O.NEW.KJAN.TO.W.0113.110426T2320Z-110427T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
620 PM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 715 PM CDT

* AT 620 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18 MILES WEST OF
  DEESON MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  DEESON BY 645 PM CDT...

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 GOLF 
BALL SIZED  HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHWEST MISSISSIPPI.

&&

LAT...LON 3412 9065 3399 9065 3396 9096 3399 9098
      3396 9100 3396 9106 3400 9110 3401 9106
      3399 9100 3404 9095 3404 9089 3409 9088
      3410 9092 3413 9094 3413 9067
TIME...MOT...LOC 2320Z 264DEG 31KT 3406 9114

$$

CME

2 follow-up statements

179 
WWUS54 KJAN 262344
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
644 PM CDT TUE APR 26 2011

MSC011-270015-
/O.CON.KJAN.TO.W.0113.000000T0000Z-110427T0015Z/
BOLIVAR MS-
644 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN BOLIVAR COUNTY...

AT 644 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 8 MILES WEST OF DUNCAN MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  DUNCAN BY 650 PM CDT...
  ALLIGATOR BY 655 PM CDT...

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 
BASEBALL SIZED HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHWEST MISSISSIPPI.

&&

LAT...LON 3412 9065 3404 9066 3404 9089 3409 9088
      3410 9092 3413 9094 3413 9067
TIME...MOT...LOC 2344Z 265DEG 37KT 3409 9084

$$

CME

425 
WWUS54 KJAN 262357
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
657 PM CDT TUE APR 26 2011

MSC011-270007-
/O.CAN.KJAN.TO.W.0113.000000T0000Z-110427T0015Z/
BOLIVAR MS-
657 PM CDT TUE APR 26 2011

...THE TORNADO WARNING FOR NORTHEASTERN BOLIVAR COUNTY IS
CANCELLED...

THE STORM HAS MOVED OUT OF THE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHWEST MISSISSIPPI.

LAT...LON 3412 9065 3404 9066 3404 9089 3409 9088
      3410 9092 3413 9094 3413 9067
TIME...MOT...LOC 2357Z 264DEG 31KT 3409 9076

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 9:12 PM CDT	Special Weather Statement	JAN	Bolivar, Leflore, Sunflower, Washington	68 min
Apr 25, 9:55 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	65 min
Apr 25, 10:52 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	53 min
Apr 25, 11:17 PM CDT	Flash Flood Warning	JAN	Bolivar, Issaquena, Washington	98 min
Apr 25, 11:39 PM CDT	Flash Flood Warning	JAN	Sunflower	108 min
Apr 25, 11:42 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Leflore, Sunflower, Washington	48 min
Apr 26, 12:06 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore, Montgomery	54 min
Apr 26, 12:25 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada, Leflore, Sunflower	92 min
Apr 26, 12:59 AM CDT	Special Weather Statement	JAN	Montgomery, Webster	31 min
Apr 26, 3:11 AM CDT	Special Weather Statement	JAN	Claiborne, Warren	74 min
Apr 26, 3:22 AM CDT	Special Weather Statement	JAN	Adams, Claiborne, Jefferson	38 min
Apr 26, 3:29 AM CDT	Tornado Warning	JAN	Bolivar	46 min
Apr 26, 4:04 AM CDT	Special Weather Statement	JAN	Adams, Claiborne, Franklin, Hinds, Jefferson, Warren	31 min
Apr 26, 4:12 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	33 min
Apr 26, 4:18 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Claiborne, Copiah, Franklin, Jefferson, Lincoln	42 min
Apr 26, 5:13 AM CDT	Special Weather Statement	JAN	Lincoln	32 min
Apr 26, 5:42 AM CDT	Special Weather Statement	JAN	Jefferson Davis, Lawrence	58 min
Apr 26, 5:59 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lawrence, Simpson	46 min
Apr 26, 6:10 AM CDT	High Wind Warning	JAN	Attala, Hinds, Leake, Madison, Rankin, Scott	110 min
Apr 26, 6:13 AM CDT	Tornado Warning	JAN	Covington, Jefferson Davis, Lawrence, Simpson, Smith	47 min
Apr 26, 6:19 AM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	41 min
Apr 26, 6:33 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Jones	42 min
Apr 26, 7:01 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones, Smith	44 min
Apr 26, 7:07 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton	38 min
Apr 26, 7:13 AM CDT	Severe Thunderstorm Warning	JAN	Jones	62 min
Apr 26, 7:19 AM CDT	Special Weather Statement	JAN	Forrest, Lamar	31 min
Apr 26, 7:36 AM CDT	Flash Flood Watch	JAN	Attala, Bolivar, Carroll, Choctaw, Clay, Grenada and 19 more	32 hr
Apr 26, 7:37 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Lauderdale, Newton	53 min
Apr 26, 7:42 AM CDT	Special Weather Statement	JAN	Kemper	33 min
Apr 26, 8:05 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	40 min
Apr 26, 8:27 AM CDT	Special Weather Statement	JAN	Clay, Lowndes, Oktibbeha	73 min
Apr 26, 8:29 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	31 min
Apr 26, 8:30 AM CDT	Special Weather Statement	JAN	Noxubee	30 min
Apr 26, 11:49 AM CDT	River Flood Warning	JAN	Carroll, Leflore	48 hr
Apr 26, 11:49 AM CDT	River Flood Warning	JAN	Sunflower	5 days
Apr 26, 1:48 PM CDT	Wind Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	29 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.