Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 111, NWS Jackson, MS

April 26, 2011Bolivar County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 26, 2011, 3:29 AM CDT for Bolivar County, Mississippi. It was in force for 46 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: Apr 26, 2011, 3:29 AM CDT (08:29 UTC)
Expired: Apr 26, 2011, 4:15 AM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 157 km from the middle of the area, began a volume at 08:30 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
Apr 26, 3:57 AM CDT	HAIL 1	Gunnison, MS	QUARTER SIZE HAIL REPORTED BY BOLIVAR EOC

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
Apr 25, 9:23 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.5 hours before the alert went out and 136 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: 1507 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 914 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 511 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 19.6

Open this sounding in Storm Lab

The text

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

472 
WFUS54 KJAN 260829
TORJAN
MSC011-260915-
/O.NEW.KJAN.TO.W.0111.110426T0829Z-110426T0915Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...SHELBY...ROSEDALE...

* UNTIL 415 AM CDT

* AT 329 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
  ROSEDALE MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GUNNISON...DEESON...RENOVA AND MOUND BAYOU

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 HALF 
DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3412 9065 3375 9066 3377 9115 3379 9114
      3379 9107 3377 9101 3379 9099 3385 9107
      3394 9103 3398 9109 3401 9108 3397 9097
      3400 9099 3404 9095 3404 9089 3407 9088
TIME...MOT...LOC 0829Z 266DEG 39KT 3388 9111

$$

EEC

1 follow-up statement

321 
WWUS54 KJAN 260841
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
341 AM CDT TUE APR 26 2011

MSC011-260915-
/O.CON.KJAN.TO.W.0111.000000T0000Z-110426T0915Z/
BOLIVAR MS-
341 AM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CDT FOR NORTHERN
BOLIVAR COUNTY...

AT 341 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR ROSEDALE MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GUNNISON...PACE...DEESON...SHELBY...WINSTONVILLE...RENOVA...
MERIGOLD...MOUND BAYOU...DUNCAN AND ALLIGATOR

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 HALF 
DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3412 9065 3375 9066 3377 9115 3379 9114
      3379 9107 3377 9101 3379 9099 3385 9107
      3394 9103 3398 9109 3401 9108 3397 9097
      3400 9099 3404 9095 3404 9089 3407 9088
TIME...MOT...LOC 0841Z 261DEG 33KT 3390 9100

$$

EEC

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, 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
Apr 26, 6:20 PM CDT	Tornado Warning	JAN	Bolivar	37 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.