Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 22, NWS Jackson, MS

February 24, 2011Chicot County, Arkansas; Issaquena County, Sharkey County, Washington County, Mississippi; East Carroll Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Feb 24, 2011, 7:40 PM CST for Chicot County, Arkansas; Issaquena County, Sharkey County, Washington County, Mississippi; East Carroll Parish, Louisiana. It was in force for 40 min. 4 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
Feb 24, 2011, 7:40 PM CST (01:40 UTC)
Expired
Feb 24, 2011, 8:20 PM CST
In force
40 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Chicot County, AR, East Carroll Parish, LA, Issaquena County, MS, Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 129 km from the middle of the area, began a volume at 01:43 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

TimeReportWhereRemark
Feb 24, 7:50 PM CSTTSTM WND DMGGrace, MSTREE LIMBS DOWN AND TIN ROOFS OFF SOME STRUCTURES
Feb 24, 7:50 PM CSTTSTM WND DMGHollandale, MSTREES AND POWER LINES KNOCKED DOWN
Feb 24, 7:50 PM CSTTORNADO 2Grace, MSTORNADO TRACKED FROM GRACE 6.5 MILES TO 1.5 SE NITTA YUMA IN SHARKEY CO. ESTIMATED MAX WINDS 115 MPH...PATH LENGTH 6.5...MAX PATH WIDTH 400 YDS. SEVERAL HOMES SUSTAINED ROOF DAMAGE...A METAL OUTBUILDING WAS DESTROYED...A ROOF WAS BLOWN OFF A LARGE METAL BUILDI
Feb 24, 8:00 PM CSTTSTM WND DMGNitta Yuma, MSTREES WERE DOWNED AROUND NITTA YUMA

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.

IssuedProductOfficeLasted
Feb 24, 2:34 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.7 hours before the alert went out and 120 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2011-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2011-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
58 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

418 
WFUS54 KJAN 250140
TORJAN
ARC017-LAC035-MSC055-125-151-250230-
/O.NEW.KJAN.TO.W.0022.110225T0140Z-110225T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
740 PM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN EAST CARROLL PARISH IN NORTHEAST LOUISIANA...
  SOUTHERN WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF HOLLANDALE...
  SOUTHEASTERN CHICOT COUNTY IN SOUTHEAST ARKANSAS...
  THIS INCLUDES THE CITY OF EUDORA...
  NORTHWESTERN ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI...
  NORTHERN SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI...

* UNTIL 830 PM CST

* AT 740 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GASSOWAY
  MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GLEN
  ALLAN...GRACE...PANTHER BURN...NITTA YUMA...ANGUILLA...ESTILL...
  DELTA CITY...DARLOVE AND MURPHY

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST THURSDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

&&

LAT...LON 3329 9077 3327 9073 3325 9073 3321 9068
      3312 9069 3310 9065 3299 9065 3292 9129
      3294 9130 3296 9127 3301 9126 3301 9132
      3310 9134
TIME...MOT...LOC 0140Z 258DEG 42KT 3303 9119

$$

BYB
3 follow-up statements
768 
WWUS54 KJAN 250152
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
752 PM CST THU FEB 24 2011

ARC017-LAC035-MSC055-125-151-250230-
/O.CON.KJAN.TO.W.0022.000000T0000Z-110225T0230Z/
CHICOT AR-EAST CARROLL LA-WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-
752 PM CST THU FEB 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
NORTHWESTERN ISSAQUENA...NORTHERN SHARKEY...SOUTHERN WASHINGTON AND
SOUTHEASTERN CHICOT COUNTIES...AND NORTHEASTERN EAST CARROLL
PARISH...

AT 752 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR GLEN ALLAN MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GRACE...PANTHER BURN...HOLLANDALE...NITTA YUMA...ANGUILLA...DELTA
CITY AND MURPHY

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST THURSDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

&&

LAT...LON 3293 9121 3303 9116 3305 9112 3307 9112
      3312 9120 3315 9118 3313 9111 3319 9109
      3321 9068 3312 9069 3310 9065 3299 9065
      3294 9108 3298 9109 3298 9112 3294 9114
TIME...MOT...LOC 0152Z 269DEG 43KT 3302 9100

$$

BYB
628 
WWUS54 KJAN 250203
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
803 PM CST THU FEB 24 2011

ARC017-LAC035-MSC055-250213-
/O.CAN.KJAN.TO.W.0022.000000T0000Z-110225T0230Z/
CHICOT AR-EAST CARROLL LA-ISSAQUENA MS-
803 PM CST THU FEB 24 2011

...THE TORNADO WARNING FOR NORTHWESTERN ISSAQUENA AND SOUTHEASTERN
CHICOT COUNTIES...AND NORTHEASTERN EAST CARROLL PARISH IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST THURSDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

LAT...LON 3296 9091 3302 9092 3320 9093 3321 9068
      3312 9069 3310 9066 3299 9065
TIME...MOT...LOC 0203Z 269DEG 43KT 3303 9081

$$

MSC125-151-250230-
/O.CON.KJAN.TO.W.0022.000000T0000Z-110225T0230Z/
WASHINGTON MS-SHARKEY MS-
803 PM CST THU FEB 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR NORTHERN
SHARKEY AND SOUTHEASTERN WASHINGTON COUNTIES...

AT 803 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR NITTA YUMA MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MURPHY

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST THURSDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

&&

LAT...LON 3296 9091 3302 9092 3320 9093 3321 9068
      3312 9069 3310 9066 3299 9065
TIME...MOT...LOC 0203Z 269DEG 43KT 3303 9081

$$

BYB
070 
WWUS54 KJAN 250220
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
820 PM CST THU FEB 24 2011

MSC125-151-250230-
/O.CAN.KJAN.TO.W.0022.000000T0000Z-110225T0230Z/
WASHINGTON MS-SHARKEY MS-
820 PM CST THU FEB 24 2011

...THE TORNADO WARNING FOR NORTHERN SHARKEY AND SOUTHEASTERN
WASHINGTON COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST THURSDAY EVENING
FOR NORTHEAST LOUISIANA AND NORTHWESTERN MISSISSIPPI.

LAT...LON 3296 9091 3302 9092 3320 9093 3321 9068
      3312 9069 3310 9066 3299 9065
TIME...MOT...LOC 0220Z 269DEG 43KT 3303 9057

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:12 PM CSTSevere Thunderstorm WarningJANAshley78 min
Feb 24, 6:56 PM CSTSevere Thunderstorm WarningJANChicot64 min
Feb 24, 7:06 PM CSTTornado WarningJANAshley, Chicot24 min
Feb 24, 7:27 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey63 min
Feb 24, 7:40 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Holmes, Humphreys, Leflore, Sunflower and 1 more65 min
Feb 24, 8:06 PM CSTTornado WarningJANHolmes, Humphreys, Yazoo39 min
Feb 24, 8:09 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren, Yazoo66 min
Feb 24, 8:22 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Holmes, Montgomery38 min
Feb 24, 8:42 PM CSTSevere Thunderstorm WarningJANAttala, Holmes, Yazoo63 min
Feb 24, 8:54 PM CSTSevere Thunderstorm WarningJANCarroll, Choctaw, Clay, Montgomery, Oktibbeha, Webster and 1 more66 min
Feb 24, 9:00 PM CSTSevere Thunderstorm WarningJANLeake, Madison75 min
Feb 24, 9:08 PM CSTTornado WarningJANAttala, Choctaw, Winston30 min
Feb 24, 9:42 PM CSTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Scott33 min
Feb 24, 9:45 PM CSTSevere Thunderstorm WarningJANClay, Lowndes, Noxubee, Oktibbeha, Winston75 min
Feb 24, 9:53 PM CSTSevere Thunderstorm WarningJANKemper, Neshoba, Newton, Scott67 min
Feb 24, 10:40 PM CSTSevere Thunderstorm WarningJANKemper, Lauderdale, Newton, Scott65 min
Feb 24, 10:48 PM CSTSevere Thunderstorm WarningJANJasper, Simpson, Smith57 min
Feb 24, 11:31 PM CSTSevere Thunderstorm WarningJANClarke, Lauderdale43 min
Feb 24, 6:53 PM CSTSevere Thunderstorm WarningJANMorehouse, Richland, West Carroll67 min

Nearby

Tornado Warnings in Mississippi, 2011Tornado Warnings in Arkansas, 2011Tornado Warnings in Louisiana, 2011Every tornado warning in 2011Tornadoes 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.