Alert archive / Mississippi / Tornado Warnings in 2010

Tornado Warning 109, NWS Memphis, TN

November 29, 2010Itawamba County, Monroe County, Mississippi

NWS Memphis, TN issued this tornado warning at Nov 29, 2010, 11:51 PM CST for Itawamba County, Monroe County, Mississippi. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 29, 2010, 11:51 PM CST (05:51 UTC)
Expired
Nov 30, 2010, 12:20 AM CST
In force
29 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Itawamba County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 23 km from the middle of the area, began a volume at 05:51 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.

IssuedProductOfficeLasted
Nov 29, 8:49 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.9 hours before the alert went out and 163 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, Little Rock, AR at 00:00Z on 2010-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2010-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -224 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1381 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
-224 m²/s²
0-3 km storm-relative helicity
-131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this tornado warning went out at Nov 29, 11:45 PM CST, 6 minutes earlier.

Area forecast discussion, Nov 29, 11:45 PM CST, 6 minutes before
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Hazardous weather outlook, Nov 29, 10:55 PM CST, 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
1055 PM CST MON NOV 29 2010

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-301100-
ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-COAHOMA-
CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-DUNKLIN-DYER-
FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-HENDERSON-HENRY-
ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-LEE AR-LEE MS-MADISON-
MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT-
PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY-
ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA-
UNION-WEAKLEY-YALOBUSHA-
1055 PM CST MON NOV 29 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS
PORTIONS OF NORTH MISSISSIPPI...GENERALLY ALONG AND SOUTHEAST
OF A LINE FROM PITTSBORO TO TUPELO TO FULTON. DAMAGING WINDS AND
POSSIBLY A TORNADO ARE THE MAIN SEVERE WEATHER THREATS.

A FEW STRONG THUNDERSTORMS ARE POSSIBLE ELSEWHERE ACROSS NORTH
MISSISSIPPI NORTH OF THE SLIGHT RISK AREA AND A SMALL PORTION OF THE
SOUTHEAST CORNER OF WEST TENNESSEE...GENERALLY ALONG AND EAST OF A
LINE FROM NEW ALBANY TO CORINTH TO SAVANNAH.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE EASTERN PORTIONS OF
WEST TENNESSEE AND NORTH MISSISSIPPI OVERNIGHT AS LOCALLY HEAVY RAIN
MAY LEAD TO FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

THE ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT...AND LAW
ENFORCEMENT OFFICIALS IN SUPPORT OF SEVERE WEATHER OPERATIONS IS
NEEDED IN THE SLIGHT RISK AREA OF NORTH MISSISSIPPI TONIGHT.

JCL

In the hours before

Special weather statement, Nov 29, 9:00 PM CST, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
900 PM CST MON NOV 29 2010

MSZ021-022-300330-
YALOBUSHA MS-CALHOUN MS-
900 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 930 PM CST FOR...

  NORTHWESTERN CALHOUN COUNTY IN NORTHEAST MISSISSIPPI...
  YALOBUSHA COUNTY IN NORTHWEST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 3
MILES WEST OF COFFEEVILLE AT 859 PM CST...MOVING NORTHEAST AT 45 MPH.

PEOPLE IN CALHOUN AND YALOBUSHA COUNTIES...INCLUDING LOCATIONS NEAR
WATER VALLEY...SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3389 8978 3389 8986 3404 8983 3417 8970
      3417 8924 3387 8940 3387 8978
TIME...MOT...LOC 0259Z 234DEG 30KT 3400 8969
Special weather statement, Nov 29, 10:15 PM CST, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1015 PM CST MON NOV 29 2010

MSZ004>006-009-014>017-300500-
ALCORN MS-TISHOMINGO MS-TIPPAH MS-PRENTISS MS-UNION MS-LEE MS-
ITAWAMBA MS-PONTOTOC MS-
1015 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1100 PM CST FOR...

  ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHWESTERN ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI...
  LEE COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHEASTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI...
  PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  EASTERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI...
  EXTREME NORTHWESTERN TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...
  EASTERN UNION COUNTY IN NORTHEAST MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS PRODUCING WINDS BETWEEN 40 AND 50 MPH
WERE LOCATED FROM GIFT TO HIGHTOWN TO ECRU AT 1014 PM CST...MOVING
NORTHEAST AT 50 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN ALCORN...ITAWAMBA...LEE...PONTOTOC...PRENTISS...TIPPAH...
TISHOMINGO AND UNION COUNTIES...INCLUDING LOCATIONS NEAR BALDWYN...
BOONEVILLE...CORINTH...PONTOTOC...TOMBIGBEE STATE PARK...TRACE STATE
PARK AND TUPELO...SHOULD MONITOR THIS STORM CLOSELY.

.A TORNADO WATCH REMAINS IN EFFECT FOR PONTOTOC...LEE...AND ITAWAMBA
COUNTIES.

&&

LAT...LON 3500 8880 3499 8832 3419 8844 3420 8908
TIME...MOT...LOC 0414Z 210DEG 45KT 3471 8870
Special weather statement, Nov 29, 10:44 PM CST, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1044 PM CST MON NOV 29 2010

MSZ005-006-009-016-017-300530-
ALCORN MS-TISHOMINGO MS-PRENTISS MS-LEE MS-ITAWAMBA MS-
1044 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1130 PM CST FOR...

  EASTERN ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
  ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHEASTERN LEE COUNTY IN NORTHEAST MISSISSIPPI...
  EASTERN PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS PRODUCING WINDS AT LEAST 45 MPH WAS
LOCATED FROM PINE FLAT TO 5 MILES EAST OF EVERGREEN AT 1044 PM CST...
MOVING EAST AT 45 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN ALCORN...ITAWAMBA...LEE...PRENTISS AND TISHOMINGO
COUNTIES...INCLUDING LOCATIONS NEAR FULTON...IUKA...JCOLEMAN STATE
PARK...TISHOMINGO STATE PARK...TOMBIGBEE STATE PARK AND VERONA...
SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT
ALSO INCLUDES BAY SPRINGS LAKE.

.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR LEE AND ITAWAMBA
COUNTIES.

&&

LAT...LON 3410 8819 3411 8879 3500 8838 3500 8819
      3490 8809
TIME...MOT...LOC 0444Z 280DEG 45KT 3499 8822 3418 8839
Special weather statement, Nov 29, 11:02 PM CST, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1102 PM CST MON NOV 29 2010

TNZ055-092-300530-
DECATUR TN-HARDIN TN-
1102 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1130 PM CST FOR...

  SOUTHERN DECATUR COUNTY IN TENNESSEE...
  HARDIN COUNTY IN SOUTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 45 MPH WAS LOCATED 5
MILES NORTHEAST OF PICKWICK LANDING STATE PARK AT 1102 PM CST...
MOVING NORTHEAST AT 45 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN DECATUR AND HARDIN COUNTIES...INCLUDING LOCATIONS NEAR
PICKWICK LANDING STATE PARK AND SAVANNAH...SHOULD MONITOR THIS STORM
CLOSELY.

&&

LAT...LON 3539 8798 3538 8802 3535 8800 3531 8801
      3530 8798 3502 8798 3501 8800 3502 8837
      3542 8820 3544 8803 3543 8798 3540 8796
TIME...MOT...LOC 0502Z 210DEG 45KT 3514 8814
Special weather statement, Nov 29, 11:15 PM CST, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1115 PM CST MON NOV 29 2010

MSZ016-017-023-024-300600-
LEE MS-ITAWAMBA MS-MONROE MS-CHICKASAW MS-
1115 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL MIDNIGHT CST FOR...

  EASTERN CHICKASAW COUNTY IN NORTHEAST MISSISSIPPI...
  EXTREME SOUTHWESTERN ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI...
  EXTREME SOUTHEASTERN LEE COUNTY IN NORTHEAST MISSISSIPPI...
  MONROE COUNTY IN NORTHEAST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 45 MPH WAS LOCATED
OVER ABERDEEN AT 1115 PM CST...MOVING NORTHEAST AT 45 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN CHICKASAW...ITAWAMBA...LEE AND MONROE COUNTIES...INCLUDING
LOCATIONS NEAR ABERDEEN...AMORY AND OKOLONA...SHOULD MONITOR THIS
STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES ABERDEEN
LAKE.

.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ADVISORY AREA.

&&

LAT...LON 3367 8851 3368 8850 3368 8871 3369 8872
      3380 8872 3381 8881 3411 8875 3411 8819
      3375 8824 3374 8831 3369 8837 3366 8845
TIME...MOT...LOC 0515Z 210DEG 45KT 3386 8853
Special weather statement, Nov 29, 11:27 PM CST, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1127 PM CST MON NOV 29 2010

MSZ006-009-016-017-300600-
TISHOMINGO MS-PRENTISS MS-LEE MS-ITAWAMBA MS-
1127 PM CST MON NOV 29 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL MIDNIGHT CST FOR...

  ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHEASTERN LEE COUNTY IN NORTHEAST MISSISSIPPI...
  EASTERN PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS PRODUCING WINDS AT LEAST 40 MPH WAS
LOCATED FROM MIDWAY TO 6 MILES SOUTHWEST OF EVERGREEN AT 1127 PM
CST...MOVING EAST AT 40 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN ITAWAMBA...LEE...PRENTISS AND TISHOMINGO COUNTIES...
INCLUDING LOCATIONS NEAR FULTON...IUKA...JCOLEMAN STATE PARK...
TISHOMINGO STATE PARK AND TOMBIGBEE STATE PARK...SHOULD MONITOR THIS
STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BAY
SPRINGS LAKE.

.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR LEE AND ITAWAMBA
COUNTIES.

&&

LAT...LON 3410 8819 3411 8871 3500 8824 3501 8820
      3492 8813 3490 8809
TIME...MOT...LOC 0527Z 285DEG 45KT 3475 8817 3409 8853

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 6:13 PM CSTSpecial Weather StatementMEGTipton32 min
Nov 29, 11:02 PM CSTSpecial Weather StatementMEGHardin28 min
Nov 29, 9:00 PM CSTSpecial Weather StatementMEGYalobusha30 min
Nov 29, 10:15 PM CSTSpecial Weather StatementMEGAlcorn, Lee, Pontotoc, Prentiss45 min
Nov 29, 10:44 PM CSTSpecial Weather StatementMEGItawamba, Lee, Prentiss, Tishomingo46 min
Nov 29, 11:15 PM CSTSpecial Weather StatementMEGMonroe45 min
Nov 29, 11:27 PM CSTSpecial Weather StatementMEGItawamba, Tishomingo33 min
Nov 29, 11:36 PM CSTSevere Thunderstorm WarningMEGMonroe39 min
Nov 30, 9:06 AM CSTRiver Flood WarningMEGMonroe11 hr
Nov 30, 9:06 AM CSTRiver Flood WarningMEGMonroe11 hr

Nearby

Tornado Warnings in Mississippi, 2010Every tornado warning in 2010Tornadoes in 2010

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.