Alert archive / Mississippi / Wind Advisories in 2009

Wind Advisory 9, NWS Jackson, MS

December 23, 200947 counties in Mississippi; 9 parishes in Louisiana; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this wind advisory at Dec 23, 2009, 3:03 PM CST for 47 counties in Mississippi; 9 parishes in Louisiana; Ashley County, Chicot County, Arkansas. It took effect at Dec 24, 2009, 12:00 AM CST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 23, 2009, 3:03 PM CST (21:03 UTC)
In effect from
Dec 24, 2009, 12:00 AM CST
Expired
Dec 25, 2009, 3:00 AM CST
In force
27 hr
Issued by
NWS Jackson, MS
All 58 counties

Ashley County, AR, Chicot County, AR, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 32 km from the middle of the area, began a volume at 21:03 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 24 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 12:00Z on 2009-12-23Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2009-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.19395878Sfc1 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
694 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS74 KJAN 232103
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
303 PM CST WED DEC 23 2009

...SOUTH WINDS RAMPING UP AHEAD OF A POWERFUL STORM SYSTEM SWEEPING
TOWARD THE LOWER MISSISSIPPI VALLEY TONIGHT AND THURSDAY...

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-034-040-041-047-053-
059-060-240515-
/O.NEW.KJAN.WI.Y.0009.091224T0600Z-091224T1800Z/
/O.EXT.KJAN.LW.Y.0052.000000T0000Z-091224T0600Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
WASHINGTON-ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
CLEVELAND...GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...
VICKSBURG...PORT GIBSON...FAYETTE...NATCHEZ
303 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
THURSDAY. THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT
CST TONIGHT.

SOUTHEAST WINDS OF 15 TO 30 MPH WILL BECOME MORE GUSTY THROUGH
TONIGHT AND INCREASE FROM THE SOUTH TO BETWEEN 25 AND 35 MPH WITH
GUSTS TO 40 MPH POSSIBLE AFTER MIDNIGHT ALONG THE MISSISSIPPI RIVER
CHANNEL. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE
PASSES THURSDAY MORNING. THE WEST WINDS SHOULD DECREASE AFTER MIDDAY
TO AROUND 10 TO 20 MPH FOR THE AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

MSZ029>033-037>039-044>046-050>052-055>058-063>066-072>074-240515-
/O.EXB.KJAN.LW.Y.0052.091224T0600Z-091224T2000Z/
WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON-NOXUBEE-
LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-
CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON...
WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BAY SPRINGS...HEIDELBERG...
QUITMAN...STONEWALL...SHUBUTA...MONTICELLO...NEW HEBRON...
PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL...
COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG
303 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM CST
THURSDAY. 

SOUTHEAST WINDS OF 15 TO 25 MPH WILL BECOME MORE GUSTY THROUGH
TONIGHT AND INCREASE FROM THE SOUTH TO BETWEEN 20 AND 25 MPH WITH
GUSTS TO 35 MPH POSSIBLE ON THURSDAY. THESE WINDS WILL ABRUPTLY SHIFT
TO THE WEST AS A SQUALL LINE PASSES THURSDAY AFTERNOON. THE WEST
WINDS SHOULD DECREASE THURSDAY EVENING TO AROUND 10 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

MSZ019-025>028-035-036-042-043-048-049-054-061-062-240515-
/O.EXT.KJAN.LW.Y.0052.000000T0000Z-091224T2000Z/
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-HUMPHREYS-HOLMES-
YAZOO-MADISON MS-HINDS-RANKIN-COPIAH-FRANKLIN MS-LINCOLN-
INCLUDING THE CITIES OF...INDIANOLA...RULEVILLE...GREENWOOD...
GRENADA...VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...YAZOO CITY...RIDGELAND...MADISON...CANTON...JACKSON...
PEARL...BRANDON...RICHLAND...CRYSTAL SPRINGS...HAZLEHURST...
WESSON...BUDE...ROXIE...MEADVILLE...BROOKHAVEN
303 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 2 PM CST THURSDAY...

THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL 2 PM CST THURSDAY. 

SOUTHEAST WINDS OF 15 TO 25 MPH WILL BECOME MORE GUSTY THROUGH
TONIGHT AND INCREASE FROM THE SOUTH TO BETWEEN 20 AND 25 MPH WITH
GUSTS TO 35 MPH POSSIBLE EARLY THURSDAY MORNING. THESE WINDS WILL
ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE PASSES ABOUT MIDDAY
THURSDAY. THE WEST WINDS SHOULD DECREASE LATE THURSDAY AFTERNOON TO
AROUND 10 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON
AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$
7 follow-up statements
000 
WWUS74 KJAN 240400
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
1000 PM CST WED DEC 23 2009

...SOUTH WINDS RAMPING UP AHEAD OF A POWERFUL STORM SYSTEM
SWEEPING TOWARD THE LOWER MISSISSIPPI VALLEY TONIGHT AND
THURSDAY...

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-034-040-041-047-053-
059-060-241200-
/O.CON.KJAN.LW.Y.0052.000000T0000Z-091224T0600Z/
/O.CON.KJAN.WI.Y.0009.091224T0600Z-091224T1800Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
WASHINGTON-ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
CLEVELAND...GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...
VICKSBURG...PORT GIBSON...FAYETTE...NATCHEZ
1000 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY. 

SOUTHEAST WINDS OF 15 TO 30 MPH WILL BE GUSTY THROUGH TONIGHT AND
INCREASE FROM THE SOUTH TO BETWEEN 25 AND 35 MPH WITH GUSTS TO 40 MPH
POSSIBLE AFTER MIDNIGHT ALONG THE MISSISSIPPI RIVER CHANNEL. THESE
WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE PASSES
THURSDAY MORNING. THE WEST WINDS SHOULD DECREASE AFTER MIDDAY TO
AROUND 10 TO 20 MPH FOR THE AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

MSZ019-025>028-035-036-042-043-048-049-054-061-062-241200-
/O.CON.KJAN.LW.Y.0052.000000T0000Z-091224T2000Z/
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-HUMPHREYS-HOLMES-
YAZOO-MADISON MS-HINDS-RANKIN-COPIAH-FRANKLIN MS-LINCOLN-
INCLUDING THE CITIES OF...INDIANOLA...RULEVILLE...GREENWOOD...
GRENADA...VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...YAZOO CITY...RIDGELAND...MADISON...CANTON...JACKSON...
PEARL...BRANDON...RICHLAND...CRYSTAL SPRINGS...HAZLEHURST...
WESSON...BUDE...ROXIE...MEADVILLE...BROOKHAVEN
1000 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THURSDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THURSDAY. 

SOUTHEAST WINDS OF 15 TO 25 MPH WILL BECOME MORE GUSTY THROUGH
TONIGHT AND INCREASE FROM THE SOUTH TO BETWEEN 20 AND 25 MPH WITH
GUSTS TO 35 MPH POSSIBLE EARLY THURSDAY MORNING. THESE WINDS WILL
ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE PASSES ABOUT MIDDAY
THURSDAY. THE WEST WINDS SHOULD DECREASE LATE THURSDAY AFTERNOON
TO AROUND 10 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

MSZ029>033-037>039-044>046-050>052-055>058-063>066-072>074-241200-
/O.CON.KJAN.LW.Y.0052.091224T0600Z-091224T2000Z/
WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON-NOXUBEE-
LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-
CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON...
WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BAY SPRINGS...HEIDELBERG...
QUITMAN...STONEWALL...SHUBUTA...MONTICELLO...NEW HEBRON...
PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL...
COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG
1000 PM CST WED DEC 23 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THURSDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THURSDAY. 

SOUTHEAST WINDS OF 15 TO 25 MPH WILL BE GUSTY THROUGH TONIGHT AND
INCREASE FROM THE SOUTH TO BETWEEN 20 AND 25 MPH WITH GUSTS TO 35 MPH
POSSIBLE ON THURSDAY. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS
A SQUALL LINE PASSES THURSDAY AFTERNOON. THE WEST WINDS SHOULD
DECREASE THURSDAY EVENING TO AROUND 10 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

EC
000 
WWUS74 KJAN 241120
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
520 AM CST THU DEC 24 2009

...SOUTH WINDS RAMPING UP AHEAD OF A POWERFUL STORM SYSTEM
SWEEPING TOWARD THE LOWER MISSISSIPPI VALLEY TONIGHT AND
THURSDAY...

MSZ019-025>033-035>039-042-241930-
/O.CAN.KJAN.LW.Y.0052.000000T0000Z-091224T2000Z/
/O.EXB.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-
CHOCTAW-OKTIBBEHA-HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-YAZOO-
INCLUDING THE CITIES OF...INDIANOLA...RULEVILLE...GREENWOOD...
GRENADA...VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...
EUPORA...MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...
WEIR...STARKVILLE...BELZONI...ISOLA...DURANT...TCHULA...
LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...
BROOKSVILLE...YAZOO CITY
520 AM CST THU DEC 24 2009

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...
...LAKE WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
LAKE WIND ADVISORY HAS BEEN CANCELLED. 

SOUTH WINDS OF 20 TO 25 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE
TODAY ASSOCIATED WITH A STRONG LOW PRESSURE SYSTEM APPROACHING THE
REGION. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL
LINE PASSES THROUGH THE AREA FROM LATE THIS MORNING INTO THE
AFTERNOON. THE WEST WINDS SHOULD DECREASE THIS EVENING TO AROUND 15
TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-034-040-041-047-053-
059-060-241930-
/O.EXT.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
WASHINGTON-ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
CLEVELAND...GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...
VICKSBURG...PORT GIBSON...FAYETTE...NATCHEZ
520 AM CST THU DEC 24 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS EVENING. 

SOUTH WINDS OF BETWEEN 25 AND 35 MPH WITH GUSTS TO 45 MPH WILL BE 
POSSIBLE TODAY ALONG THE MISSISSIPPI RIVER CHANNEL. THESE WINDS WILL
ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE PASSES THROUGH LATER MORNING.
THE WEST WINDS SHOULD DECREASE TO AROUND 15 TO 20 MPH DURING THE AFTERNOON
HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

MSZ043>046-048>052-054>058-061>066-072>074-241930-
/O.EXT.KJAN.LW.Y.0052.000000T0000Z-091225T0000Z/
MADISON MS-LEAKE-NESHOBA-KEMPER-HINDS-RANKIN-SCOTT-NEWTON-
LAUDERDALE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-FRANKLIN MS-LINCOLN-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...RIDGELAND...MADISON...CANTON...
CARTHAGE...PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...
JACKSON...PEARL...BRANDON...RICHLAND...FOREST...MORTON...NEWTON...
UNION...DECATUR...CONEHATTA...MERIDIAN...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...BUDE...ROXIE...MEADVILLE...BROOKHAVEN...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
520 AM CST THU DEC 24 2009

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE LAKE WIND ADVISORY HAS BEEN EXTENDED TO REMAIN IN EFFECT UNTIL 6
PM CST THIS EVENING.

SOUTHEAST WINDS OF 15 TO 25 MPH WILL BE GUSTY EARLY THIS MORNING AND
INCREASE FROM THE SOUTH TO BETWEEN 20 AND 25 MPH WITH GUSTS TO 35 MPH
TODAY. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE
PASSES THROUGH THIS AFTERNOON. THE WEST WINDS SHOULD DECREASE
EARLY THIS EVENING TO AROUND 10 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

22
000 
WWUS74 KJAN 241604
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
1004 AM CST THU DEC 24 2009

...SOUTH WINDS RAMPING UP AHEAD OF A POWERFUL STORM SYSTEM
SWEEPING TOWARD THE LOWER MISSISSIPPI VALLEY TONIGHT AND
THURSDAY...

MSZ043>046-048>052-054>058-061>066-072>074-250000-
/O.CAN.KJAN.LW.Y.0052.000000T0000Z-091225T0000Z/
/O.EXA.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
MADISON MS-LEAKE-NESHOBA-KEMPER-HINDS-RANKIN-SCOTT-NEWTON-
LAUDERDALE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-FRANKLIN MS-LINCOLN-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...RIDGELAND...MADISON...CANTON...
CARTHAGE...PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...
JACKSON...PEARL...BRANDON...RICHLAND...FOREST...MORTON...NEWTON...
UNION...DECATUR...CONEHATTA...MERIDIAN...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...BUDE...ROXIE...MEADVILLE...BROOKHAVEN...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
1004 AM CST THU DEC 24 2009

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...
...LAKE WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
LAKE WIND ADVISORY HAS BEEN CANCELLED. 

SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE
TODAY ASSOCIATED WITH A STRONG LOW PRESSURE SYSTEM APPROACHING THE
REGION. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE
PASSES THROUGH THE AREA FROM LATE THIS MORNING INTO THE AFTERNOON.
THE WEST WINDS SHOULD DECREASE THIS EVENING TO AROUND 15 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>042-047-053-
059-060-250000-
/O.CON.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-
CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-
NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-WARREN-CLAIBORNE-JEFFERSON-ADAMS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA...
VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...EUPORA...
MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...WEIR...
STARKVILLE...GREENVILLE...BELZONI...ISOLA...DURANT...TCHULA...
LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...
BROOKSVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...
YAZOO CITY...VICKSBURG...PORT GIBSON...FAYETTE...NATCHEZ
1004 AM CST THU DEC 24 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE
TODAY ASSOCIATED WITH A STRONG LOW PRESSURE SYSTEM APPROACHING THE
REGION. THESE WINDS WILL ABRUPTLY SHIFT TO THE WEST AS A SQUALL LINE
PASSES THROUGH THE AREA FROM LATE THIS MORNING INTO THE AFTERNOON.
THE WEST WINDS SHOULD DECREASE THIS EVENING TO AROUND 15 TO 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

15
000 
WWUS74 KJAN 242300
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
500 PM CST THU DEC 24 2009

...STRONG SOUTH WINDS SWING AROUND TO THE WEST BEHIND THE COLD FRONT
AS IT CONTINUES TO MOVE ACROSS THE ARKLAMISS...

LAZ015-016-023>026-MSZ026>033-036>039-042>066-072>074-250700-
/O.NEW.KJAN.LW.Y.0053.091225T0000Z-091225T2100Z/
/O.CON.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
HOLMES-ATTALA-WINSTON-NOXUBEE-YAZOO-MADISON MS-LEAKE-NESHOBA-
KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-
COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...RAYVILLE...DELHI...TALLULAH...
WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...ST. JOSEPH...
WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...GRENADA...
VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...EUPORA...
MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...WEIR...
STARKVILLE...DURANT...TCHULA...LEXINGTON...PICKENS...GOODMAN...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...YAZOO CITY...
RIDGELAND...MADISON...CANTON...CARTHAGE...PHILADELPHIA...
PEARL RIVER...DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR...
CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD...
COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG...
LUMBERTON...PURVIS...HATTIESBURG
500 PM CST THU DEC 24 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...
...LAKE WIND ADVISORY IN EFFECT UNTIL 3 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM CST FRIDAY. A WIND
ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE
TODAY ASSOCIATED WITH A STRONG LOW PRESSURE SYSTEM TO THE NORTHWEST
OF THE REGION. THESE WINDS ARE ABRUPTLY SHIFTING THE WEST BEHIND THE
COLD FRONT AS IT MOVES THROUGH THE REGION THIS AFTERNOON. THE WEST
WINDS SHOULD DECREASE THIS EVENING TO AROUND 15 TO 20 MPH WITH HIGHER
GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

ARZ074-075-LAZ007>009-MSZ018-019-025-034-035-040-041-250700-
/O.EXT.KJAN.WI.Y.0009.000000T0000Z-091225T0900Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-BOLIVAR-
SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...
MAYERSVILLE...ROLLING FORK...ANGUILLA
500 PM CST THU DEC 24 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 AM CST FRIDAY. 

SOUTHWEST TO WEST WINDS OF OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
BE POSSIBLE TONIGHT ASSOCIATED WITH A STRONG LOW PRESSURE SYSTEM
TO THE NORTHWEST OF THE REGION. THE WINDS WILL WEAKEN DURING THE
VERY EARLY MORNING HOURS ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$
000 
WWUS74 KJAN 250020
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
620 PM CST THU DEC 24 2009

...STRONG SOUTH WINDS SWING AROUND TO THE WEST BEHIND THE COLD
FRONT AS IT CONTINUES TO MOVE ACROSS THE ARKLAMISS...

LAZ015-016-023>026-MSZ026>033-036>039-042>066-072>074-250830-
/O.EXP.KJAN.WI.Y.0009.000000T0000Z-091225T0000Z/
/O.CON.KJAN.LW.Y.0053.000000T0000Z-091225T2100Z/
RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
HOLMES-ATTALA-WINSTON-NOXUBEE-YAZOO-MADISON MS-LEAKE-NESHOBA-
KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-
COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...RAYVILLE...DELHI...TALLULAH...
WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...ST. JOSEPH...
WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...GRENADA...
VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...EUPORA...
MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...WEIR...
STARKVILLE...DURANT...TCHULA...LEXINGTON...PICKENS...GOODMAN...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...YAZOO CITY...
RIDGELAND...MADISON...CANTON...CARTHAGE...PHILADELPHIA...
PEARL RIVER...DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR...
CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD...
COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG...
LUMBERTON...PURVIS...HATTIESBURG
620 PM CST THU DEC 24 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...
...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. A LAKE WIND ADVISORY
REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY. 

WINDS WILL ABRUPTLY SHIFT TO THE WEST AT 20 TO 30 MPH AND GUSTY
BEHIND THE COLD FRONT AS IT MOVES THROUGH THE REGION THIS EVENING.
THE WEST WINDS SHOULD DECREASE TO AROUND 15 TO 20 MPH WITH HIGHER
GUSTS LATE TONIGHT AND FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.&&

$$

ARZ074-075-LAZ007>009-MSZ018-019-025-034-035-040-041-250830-
/O.CON.KJAN.WI.Y.0009.000000T0000Z-091225T0900Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-BOLIVAR-
SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...
MAYERSVILLE...ROLLING FORK...ANGUILLA
620 PM CST THU DEC 24 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY. 

SOUTHWEST TO WEST WINDS OF OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
WILL BE POSSIBLE TONIGHT ASSOCIATED WITH A STRONG LOW PRESSURE
SYSTEM TO THE NORTHWEST OF THE REGION. THE WINDS WILL WEAKEN
DURING THE VERY EARLY MORNING HOURS ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

EC
000 
WWUS74 KJAN 250048 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
648 PM CST THU DEC 24 2009

...STRONG SOUTH WINDS SWING AROUND TO THE WEST BEHIND THE COLD FRONT
AS IT CONTINUES TO MOVE ACROSS THE ARKLAMISS...

ARZ074-075-LAZ007>009-MSZ018-019-025-034-035-040-041-250900-
/O.CON.KJAN.WI.Y.0009.000000T0000Z-091225T0900Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-BOLIVAR-
SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...
MAYERSVILLE...ROLLING FORK...ANGUILLA
648 PM CST THU DEC 24 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY. 

SOUTHWEST TO WEST WINDS OF OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
WILL BE POSSIBLE TONIGHT ASSOCIATED WITH A STRONG LOW PRESSURE
SYSTEM TO THE NORTHWEST OF THE REGION. THE WINDS WILL WEAKEN
DURING THE VERY EARLY MORNING HOURS ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

WIND GUSTS OF 30 TO 40 MILES PER HOUR OCCASIONALLY BRING DOWN
LARGE LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY
DAMAGE. EXERCISE CAUTION WHEN OUTDOORS DURING THESE STRONG WINDS.

&&

$$

LAZ015-016-023>026-MSZ026>033-036>039-042>066-072>074-250900-
/O.CON.KJAN.LW.Y.0053.000000T0000Z-091225T2100Z/
RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
HOLMES-ATTALA-WINSTON-NOXUBEE-YAZOO-MADISON MS-LEAKE-NESHOBA-
KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-
COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...RAYVILLE...DELHI...TALLULAH...
WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...ST. JOSEPH...
WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...GRENADA...
VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...EUPORA...
MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...WEIR...
STARKVILLE...DURANT...TCHULA...LEXINGTON...PICKENS...GOODMAN...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...YAZOO CITY...
RIDGELAND...MADISON...CANTON...CARTHAGE...PHILADELPHIA...
PEARL RIVER...DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR...
CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD...
COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG...
LUMBERTON...PURVIS...HATTIESBURG
648 PM CST THU DEC 24 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY. 

WINDS WILL ABRUPTLY SHIFT TO THE WEST AT 20 TO 25 MPH...WITH GUSTS OF 30
TO 35 MPH...BEHIND THE COLD FRONT MOVING THROUGH THE REGION THIS EVENING.
THE WEST WINDS SHOULD DECREASE TO AROUND 15 TO 20 MPH WITH HIGHER
GUSTS LATE TONIGHT AND FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO
CAPSIZING.

&&

$$

EC/COHEN
000 
WWUS74 KJAN 250900
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
300 AM CST FRI DEC 25 2009

...GUSTY WEST TO SOUTHWEST WINDS WILL CONTINUE OVER MUCH OF THE
ARKLAMISS REGION THIS MORNING AND INTO THE EARLY AFTERNOON...

MSZ055>058-063>066-072>074-251000-
/O.CAN.KJAN.LW.Y.0053.000000T0000Z-091225T2100Z/
SIMPSON-SMITH-JASPER-CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-
JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD...
COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG...
LUMBERTON...PURVIS...HATTIESBURG
300 AM CST FRI DEC 25 2009

...LAKE WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS CANCELLED THE LAKE
WIND ADVISORY FOR SOUTHEAST MISSISSIPPI AS WINDS ACROSS THE AREA
HAVE WEAKENED TO BELOW LAKE WIND ADVISORY CRITERIA.

$$

ARZ074-075-LAZ007>009-MSZ018-019-025-034-035-040-041-251700-
/O.EXP.KJAN.WI.Y.0009.000000T0000Z-091225T0900Z/
/O.EXB.KJAN.LW.Y.0053.091225T0900Z-091225T2100Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-BOLIVAR-
SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...
MAYERSVILLE...ROLLING FORK...ANGUILLA
300 AM CST FRI DEC 25 2009

...LAKE WIND ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...WIND ADVISORY WILL EXPIRE AT 3 AM CST EARLY THIS MORNING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. THE
WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 3 AM CST EARLY THIS
MORNING.

WEST TO SOUTHWEST WINDS OF 20 TO 25 MPH...WITH GUSTS FROM 30 TO 35
MPH...WILL CONTINUE TO BE POSSIBLE TODAY AS A TIGHT PRESSURE GRADIENT
REMAINS OVER THE REGION. THESE GUSTY WINDS WILL WEAKEN DURING THE MID
AND LATE AFTERNOON HOURS AS THE PRESSURE GRADIENT BEGINS TO RELAX
OVER THE REGION LATER TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO
CAPSIZING.

&&

$$

LAZ015-016-023>026-MSZ026>033-036>039-042>054-059>062-251700-
/O.CON.KJAN.LW.Y.0053.000000T0000Z-091225T2100Z/
RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
HOLMES-ATTALA-WINSTON-NOXUBEE-YAZOO-MADISON MS-LEAKE-NESHOBA-
KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-
COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
INCLUDING THE CITIES OF...RAYVILLE...DELHI...TALLULAH...
WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...ST. JOSEPH...
WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...GRENADA...
VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...EUPORA...
MABEN...MATHISTON...WEST POINT...COLUMBUS...ACKERMAN...WEIR...
STARKVILLE...DURANT...TCHULA...LEXINGTON...PICKENS...GOODMAN...
KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE...YAZOO CITY...
RIDGELAND...MADISON...CANTON...CARTHAGE...PHILADELPHIA...
PEARL RIVER...DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR...
CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...FAYETTE...NATCHEZ...BUDE...ROXIE...
MEADVILLE...BROOKHAVEN
300 AM CST FRI DEC 25 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON. 

WEST TO SOUTHWEST WINDS OF 20 TO 25 MPH...WITH GUSTS FROM 30 TO 35
MPH...WILL CONTINUE TO BE POSSIBLE TODAY AS A TIGHT PRESSURE GRADIENT
REMAINS OVER THE REGION. THESE GUSTY WINDS WILL WEAKEN DURING THE MID
AND LATE AFTERNOON HOURS AS THE PRESSURE GRADIENT BEGINS TO RELAX
OVER THE REGION LATER TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

19

What forecasters said that day

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

NWS Jackson, MS wrote its last area forecast discussion before this wind advisory went out at Dec 23, 11:16 AM CST, 3 hours 47 minutes earlier.

Area forecast discussion, Dec 23, 11:16 AM CST, 3 hours 47 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1116 AM CST WED DEC 23 2009

...POWERFUL STORM SYSTEM TO CROSS THE REGION CHRISTMAS EVE...

.UPDATE...WARM FRONTAL ZONE LIES ROUGHLY ALONG THE RED RIVER IN LA
WHILE THE FIRST MID-UPPER LEVEL SHORTWAVE HAS BYPASSED THE BOUNDARY
WITH RAIN SHIELD LIFTING NEWD THROUGH THE NWRN HALF OF MS. EXPECT
THE BOUNDARY TO CONTINUE CREEPING NWD THROUGH TONIGHT AS MORE UPPER
LEVEL ENERGY CROSSES TX FROM THE SRN ROCKIES AND A SURFACE LOW BEGINS
TO DEEPEN OVER NERN TX.

RAINFALL TOTALS IN THE DELTA REGION NOW REACHING 1.5 TO 2.2 INCHES IN
A FEW SPOTS.  WE SHOULD SEE MOSTLY SCATTERED SHRA/ISOLATED TSRA THIS
AFTERNOON AND EVENING FOR MAINLY W AND N PORTIONS OF OUR AREA.
HOWEVER...EXPECT RAINS TO INCREASE AGAIN LATE TONIGHT OVER THE NWRN
PORTIONS AND HAVE STARTED THE FLASH FLOOD WATCH EARLIER AT 06Z FOR
THE SAME LOCATIONS AS THE PREVIOUS ISSUANCE. NO CHANGES TO THE LAKE
WIND ADVISORIES FOR NOW BUT SOME PORTIONS MAY BE UPGRADED TO WIND
ADVISORIES ALONG THE MS RIVER CHANNEL FOR TONIGHT.

THE DEEPENING SURFACE LOW(995MB) THURSDAY MORNING OVER SERN AR MOVES
ALMOST NWD TO 990MB BY NOON AND 987MB BY 6PM OVER SRN MO. THIS TRACK
HAS BEEN NOTORIOUS FOR PRODUCING SVR WX INCLUDING TORNADOES IN MS AS
THE TRAILING FRONT/SQUALL LINE SWEEPS EWD. THE PRIMARY TIMING FOR THE
STRONGEST STORMS ON THURSDAY REMAINS FROM AROUND 3-5 AM IN NE LA/SE AR
SWEEPING EWD THROUGH THE RIVER COUNTIES/PARISHES DURING THE MORNING
HOURS TO AROUND I-55 BY LATE MORNING AND THEN 3-6 PM FOR ERN MS.
MORNING UPDATES HAVE BEEN SENT WITH MORE TO COME THIS AFTERNOON.../40/

&&

MOST OF THE PREV DISCUSSION... /ISSUED 407 AM CST WED DEC 23 2009/

SHORT TERM...THE PRESSURE GRADIENT WILL GRADUALLY INCREASE TODAY
AHEAD OF THE DEEP LOW PRESSURE SYSTEM DEVELOPING TO OUR WEST. WIND
SPEEDS WILL SHOULD MARGINALLY MEET LAKE WIND ADVISORY CRITERIA AT
MANY AREAS AND THE LAKE WIND ADVISORY WILL REMAIN IN EFFECT. THE
GRADIENT WILL CONTINUE TO INCREASE TONIGHT SO THE ADVISORY HAS BEEN
EXTENDED THROUGH 12Z THURSDAY.

MUCH OF THE FORECAST AREA WILL RESIDE IN THE WARM SECTOR TONIGHT
AND SEVERAL PARAMETERS INDICATE A CHANCE OF STRONG TO SEVERE
CONVECTION OVER SWRN ZONES TOWARD SUNRISE AS WIND FIELDS INCREASE.
THE LEADING EDGE OF DEEPER AND STRONGER ASCENT WILL EDGE INTO
EXTREME SWRN AND WCNTRAL ZONES LATE TONIGHT. INSTABILITY WILL BE THE
LIMITING FACTOR FOR SEVERE STORMS TONIGHT WITH CAPE VALUES AROUND
200 EDGING INTO THE SWRN CORNER OF THE FORECAST AREA BY 6 AM
THURSDAY. ALTHOUGH THE CHANCE OF CONVECTION WILL BE LOWER FOR THE
PREDAWN HOURS LATE TONIGHT...MODELS AGREES THAT ANY CONVECTION THAT
CAN GET GOING  OVER SWRN ZONES WILL HAVE THE POTENTIAL TO BECOME
SEVERE. DEEP LAYER SHEAR WILL BE MORE THAN SUFFICIENT WITH 0-3KM
HELICITY VALUES AT OR ABOVE 300 AND 0-1KM SHEAR ABOVE 30 KTS BY
SUNRISE.

THE BRUNT OF THIS SYSTEM WILL BE FELT THURSDAY WHEN THE STRONG COLD
FRONT MOVES ACROSS THE AREA. MODEL AGREEMENT LENDS CONFIDENCE TO
INTENSE WIND FIELDS SETTING UP OVER THE AREA WITH LOW LEVEL JET
SPEEDS IN EXCESS OF 50 KTS AND A STRONG UPPER JET DIGGING INTO A
DEEP UPPER TROUGH THAT WILL PIVOT INTO THE ARKLAMISS. AS HAS BEEN
THE CASE RECENTLY, LOW LEVEL MOISTURE AND INSTABILITY ARE AMONG THE
WEAKEST PARAMETERS FOR THE SEVERE WEATHER EPISODE SETTING UP FOR
THURSDAY BUT WITH HELICITY VALUES FROM 350 TO WELL ABOVE 500 AND
0-1KM SHEAR VALUES FROM 30 TO 40 KTS IT WONT TAKE TOO MUCH
INSTABILITY TO RESULT IN SEVERE STORMS. WITH CAPE VALUES AROUND
1000...WIDESPREAD STRONG ASCENT PER Q VECTOR DIV FIELDS AND FORCING
IN THE VICINITY OF THE FRONT WE WILL SEE MORE THAN SUFFICIENT
FORCING FOR SEVERE CONVECTION. ALTHOUGH DAMAGING WIND AND TORNADOES
LOOK TO BE THE PREDOMINANT SEVERE RISK WITH THIS EPISODE LARGE HAIL
WILL ALSO BE POSSIBLE.

RAINFALL AMOUNTS FROM 1.5 TO 3 INCHES ARE EXPECTED LATE TONIGHT AND
THURSDAY. ALTHOUGH THESE AMOUNTS CURRENTLY FALL BELOW FLOOD GUIDANCE
NUMBERS FOR E AND S PORTIONS...RAINFALL OCCURRING TODAY MAY SATURATE
THE GROUND AND RESULT IN RUN OFF PROBLEMS WITH PERIODS OF HEAVIER
RAINFALL THAT WILL OCCUR IN THUNDERSTORMS THURSDAY. PERIODS OF HEAVY
RAINFALL WILL BE POSSIBLE ACROSS THE ENTIRE FORECAST AREA DURING THE
DAY THURSDAY AND LOCALIZED FLOODING PROBLEMS WILL BE POSSIBLE BUT
HAVE CONCENTRATED ON WRN ZONES FOR NOW DUE TO THEIR PROXIMITY TO THE
UPPER TROUGH AND THE LONGER PERIODS OF UPPER DIVERGENCE INDICATED IN
THESE AREAS BY THE MODELS. INCREASED MOS POPS TO NEAR 100 PERCENT
ACROSS THE REGION FOR THURSDAY.

LONG TERM...THURSDAY NIGHT THROUGH WEDNESDAY...COME THURSDAY
EVENING THE SQUALL LINE SHOULD BE EXITING OUR CWA TO THE EAST
FOLLOWED BY THE COLD FRONT. THE COLD FRONT WILL SHIFT EAST OF OUR
AREA AS THE INITIAL CLOSED LOW AND ASSOCIATED SURFACE LOW MOVE NORTH
ACROSS THE MID MISSISSIPPI VALLEY. AT THE SAME TIME A SECOND CLOSED
LOW WILL DROP INTO THE CENTRAL PLAINS AND ROTATE UP TO THE NE OVER
THE MID MISSISSIPPI VALLEY FRIDAY. THIS WILL FURTHER AMPLIFY THE
LARGE UPPER LEVEL TROUGH OVER MOST OF THE CENTRAL CONUS AND PROVIDE
US WITH A STRETCH OF BELOW NORMAL TEMPERATURES THAT SHOULD LAST
THROUGH THE WEEKEND. STRONG CAA IS EXPECTED THURSDAY NIGHT BEHIND
THE COLD FRONT AND FRIDAY MORNING LOWS WILL BOTTOM OUR NEAR FREEZING
IN THE WESTERN MOST ZONES. VIRTUALLY ALL PRECIPITATION WILL HAVE
ENDED LONG BEFORE TEMPERATURES GET DOWN INTO THE LOWER 30S BUT A FEW
FLURRIES WILL NOT BE TOTALLY OUT OF THE QUESTION IN PORTIONS OF THE
DELTA EARLY FRIDAY MORNING. WL NOT INCLUDE MENTION OF FLURRIES THIS
PACKAGE THOUGH. MODELS SUGGEST LOW CLOUDS WILL LINGER THROUGH MOST
OF FRIDAY MORNING BUT HIGH PRESSURE AT THE SURFACE IS EXPECTED TO
SHIFT EAST OVER OUR AREA BY AFTERNOON AND BRING SOME SUNSHINE. STILL
MOST SITES WILL STRUGGLE TO REACH THE UPPER 40S. THE LARGE UPPER
VORTEX WILL BE CENTERED OVER THE MID MISSISSIPPI VALLEY FRIDAY NIGHT
WITH A SURFACE RIDGE AXIS ALONG THE GULF COAST. LESS THAN IDEAL
RADIATIVE COOLING WILL OCCUR BUT TEMPERATURES SHOULD DROP BELOW
FREEZING ACROSS MOST OF THE AREA BY SATURDAY MORNING. THIS PATTERN
WILL CHANGE VERY LITTLE THROUGH SUNDAY AND OVERALL THIS RUN OF THE
GFS IS COOLER AND DRIER THROUGH THE WEEKEND. HIGHS WILL GENERALLY BE
IN THE UPPER 40S AND OVERNIGHT LOWS AROUND 30 SATURDAY...SUNDAY AND
MONDAY. SUNDAY INTO MONDAY THE LARGE UPPER VORTEX WILL FINALLY LIFT
OUT TO THE NORTHEAST BUT ANOTHER LARGE CLOSED LOW WILL BE DROPPING
SOUTH DOWN THE WESTERN CONUS. SHORTWAVE RIDGING SURFACE AND ALOFT IS
EXPECTED OVER OUR REGION MONDAY INTO TUESDAY. THIS SHOULD BRING US
SOME WARMER TEMPS TUESDAY. THE GFS AND ECMWF DIFFER SIGNIFICANTLY ON
THE EVOLUTION OF THIS LOW THOUGH. THE ECMWF IS MORE PROGRESSIVE THAN
THE GFS THIS RUN AND MOVES RAIN BACK INTO OUR CWA FROM THE SW BY
TUESDAY AFTERNOON WHILE THE GFS HANGS THE CLOSED LOW BACK OVER THE
DESERT SOUTHWEST THROUGH TUESDAY NIGHT. BY WEDNESDAY THOUGH THIS
SYSTEM IS EXPECTED TO BRING THE NEXT BEST CHANCE FOR WIDESPREAD RAIN
TO OUR REGION. MAV GUIDANCE TEMPS WERE STUCK CLOSE TO BUT THE SLIGHT
CHANCE POPS WERE CUT FRIDAY THROUGH MONDAY. POPS WERE INCREASED
TUESDAY INTO WEDNESDAY TO ACCOUNT FOR A LITTLE FASTER EASTWARD
PROGRESSION OF THE NEXT LOW. /22/

&&

.AVIATION...STRONG SFC WINDS AND ASSOC TURBULENCE WILL BE THE FOCUS
FOR THIS AFTN...ACCOMPANIED BY PRIMARILY VFR CONDS ALTHOUGH
INTERMITTENT MVFR WILL BE PSBL OVR ERN AREAS. EARLY THIS EVENING
XPCT GRADUAL DETERIORATION TO IFR CONDS IN THE E AS LOW LEVELS
CONTINUING MOISTENING IN SRLY FLOW. RAIN/TS CHANCES WILL RETURN LATE
TONIGHT...ACCOMPANIED BY INCREASING COVERAGE OF IFR CONDS AS A COLD
FRONT APPROACHES THE AREA. THE FRONT IS RATHER STRONG AND A SQUALL
LINE IS XPCTD TO BE SWEEPING THE AREA IN THE MORNING...WITH DAMAGING
WINDS AND ISOLD TORNADOES BEING THE PRIMARY RISK. SFC WINDS WILL BE
STRONG AND SERLY AHEAD OF THE FRONT SHIFTING TO STRONG AND SWRLY
RIGHT BEHIND THE FRONT. /BK/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       65  58  60  35 /  68  88 100  24
MERIDIAN      65  55  62  37 /  45  70 100  63
VICKSBURG     68  58  59  34 /  95  98 100  15
HATTIESBURG   67  58  64  37 /  35  73 100  35
NATCHEZ       68  59  58  34 /  69  99 100  12
GREENVILLE    62  56  58  33 / 100 100 100  22
GREENWOOD     60  56  58  34 /  93  91 100  25

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...LAKE WIND ADVISORY UNTIL 6 AM CST THURSDAY FOR MSZ018-019-
     025>028-034>036-040>043-047>049-053-054-059>062.

     FLASH FLOOD WATCH FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON
     FOR MSZ018-019-025>027-034>036-040>042-047-053-059-060.

LA...LAKE WIND ADVISORY UNTIL 6 AM CST THURSDAY FOR LAZ007>009-015-
     016-023>026.

     FLASH FLOOD WATCH FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON
     FOR LAZ007>009-015-016-023>026.

AR...LAKE WIND ADVISORY UNTIL 6 AM CST THURSDAY FOR ARZ074-075.

     FLASH FLOOD WATCH FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON
     FOR ARZ074-075.

&&
Hazardous weather outlook, Dec 23, 6:14 AM CST, 8 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
614 AM CST WED DEC 23 2009

MSZ044>046-050>052-055>058-063>066-072>074-241215-
LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-
CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
614 AM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED SEVERE THUNDERSTORMS WILL DEVELOP THURSDAY. THESE STORMS
WILL HAVE THE POTENTIAL FOR DAMAGING WINDS...TORNADOES AND LARGE
HAIL.

AN INTENSE LOW PRESSURE SYSTEM WILL MOVE ACROSS THE AREA THURSDAY.
THIS SYSTEM WILL BE ASSOCIATED WITH STRONG WIND FIELDS THAT WILL
RESULT IN POTENT WIND SHEAR ACROSS THE REGION. ANY STORMS THAT
DEVELOP THURSDAY WILL HAVE THE POTENTIAL FOR ROTATION AND THE
POTENTIAL FOR SEVERE WEATHER.

PERIODS OF HEAVY RAINFALL WILL OCCUR IN STORMS THURSDAY. PONDING
WATER CAN BE EXPECTED AND LOCALIZED FLOODING WILL BE
POSSIBLE...ESPECIALLY IN LOW LYING AREAS AND WHERE DRAINAGE IS POOR.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS LIKELY THURSDAY.

LAZ007>009-MSZ040>043-048-049-241215-
MOREHOUSE-WEST CARROLL-EAST CARROLL-ISSAQUENA-SHARKEY-YAZOO-
MADISON MS-HINDS-RANKIN-
614 AM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MISSISSIPPI AND NORTHEAST LOUISIANA.

.DAY ONE...TODAY AND TONIGHT

GUSTY SOUTH WIND WILL DEVELOP THIS AFTERNOON AHEAD OF A STRONG LOW
PRESSURE SYSTEM APPROACHING FROM THE WEST. GUSTY WIND WILL CONTINUE
THROUGH TONIGHT. SUSTAINED WIND SPEEDS FROM 15 TO 25 MPH CAN BE
EXPECTED WITH POSSIBLE GUSTS FROM 30 TO 35 MPH. A LAKE WIND ADVISORY
HAS BEEN ISSUED FOR TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED TO NUMEROUS SEVERE THUNDERSTORMS WILL DEVELOP THURSDAY.
THE RISKS WITH THESE STORMS WILL BE DAMAGING WINDS...TORNADOES AND
LARGE HAIL.

AN INTENSE LOW PRESSURE SYSTEM WILL MOVE ACROSS THE AREA THURSDAY.
THIS SYSTEM WILL BE ASSOCIATED WITH STRONG WIND FIELDS THAT WILL
RESULT IN POTENT WIND SHEAR ACROSS THE REGION. ANY STORMS THAT
DEVELOP THURSDAY WILL HAVE THE POTENTIAL FOR ROTATION AND THE
POTENTIAL FOR SEVERE WEATHER.

PERIODS OF HEAVY RAINFALL WILL OCCUR IN STORMS THURSDAY. PONDING
WATER CAN BE EXPECTED AND LOCALIZED FLOODING WILL BE
POSSIBLE...ESPECIALLY IN LOW LYING AREAS AND WHERE DRAINAGE IS POOR.
A FLASH FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF THE REGION FOR
THURSDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS LIKELY THURSDAY.

LAZ015-016-023>026-MSZ047-053-054-059>062-241215-
RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WARREN-
CLAIBORNE-COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
614 AM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL AND
SOUTHWEST MISSISSIPPI AND NORTHEAST LOUISIANA.

.DAY ONE...TODAY AND TONIGHT

GUSTY SOUTH WIND WILL DEVELOP THIS AFTERNOON AHEAD OF A STRONG LOW
PRESSURE SYSTEM APPROACHING FROM THE WEST. GUSTY WIND WILL CONTINUE
THROUGH TONIGHT. SUSTAINED WIND SPEEDS FROM 15 TO 25 MPH CAN BE
EXPECTED WITH POSSIBLE GUSTS FROM 30 TO 35 MPH. A LAKE WIND ADVISORY
HAS BEEN ISSUED FOR TODAY AND TONIGHT.

THERE IS A CHANCE THAT ISOLATED SEVERE THUNDERSTORMS WILL DEVELOP
LATE TONIGHT TOWARD THURSDAY MORNING. DAMAGING WINDS...TORNADOES AND
LARGE HAIL WILL BE POSSIBLE WITH THESE STORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED TO NUMEROUS SEVERE THUNDERSTORMS WILL DEVELOP THURSDAY.
THE RISKS WITH THESE STORMS WILL BE DAMAGING WINDS...TORNADOES AND
LARGE HAIL.

AN INTENSE LOW PRESSURE SYSTEM WILL MOVE ACROSS THE AREA THURSDAY.
THIS SYSTEM WILL BE ASSOCIATED WITH STRONG WIND FIELDS THAT WILL
RESULT IN POTENT WIND SHEAR ACROSS THE REGION. ANY STORMS THAT
DEVELOP THURSDAY WILL HAVE THE POTENTIAL FOR ROTATION AND THE
POTENTIAL FOR SEVERE WEATHER.

PERIODS OF HEAVY RAINFALL WILL OCCUR IN STORMS THURSDAY. PONDING
WATER CAN BE EXPECTED AND LOCALIZED FLOODING WILL BE
POSSIBLE...ESPECIALLY IN LOW LYING AREAS AND WHERE DRAINAGE IS POOR.
A FLASH FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF THE REGION FOR
THURSDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS POSSIBLE TONIGHT AND LIKELY THURSDAY.

ARZ074-075-MSZ018-019-025>039-241215-
ASHLEY-CHICOT-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-
MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-
HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-
614 AM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ARKANSAS AND NORTH
CENTRAL MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

GUSTY SOUTH WIND WILL DEVELOP THIS AFTERNOON AHEAD OF A STRONG LOW
PRESSURE SYSTEM APPROACHING FROM THE WEST. GUSTY WIND WILL CONTINUE
THROUGH TONIGHT. SUSTAINED WIND SPEEDS FROM 15 TO 25 MPH CAN BE
EXPECTED WITH POSSIBLE GUSTS FROM 30 TO 35 MPH. A LAKE WIND ADVISORY
HAS BEEN ISSUED FOR TODAY AND TONIGHT FOR MUCH OF THE REGION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED SEVERE THUNDERSTORMS WILL DEVELOP THURSDAY. THE PRIMARY
RISKS WITH THESE STORMS WILL BE DAMAGING WINDS AND LARGE HAIL BUT
ONE OR TWO TORNADOES CAN NOT BE RULED OUT.

AN INTENSE LOW PRESSURE SYSTEM WILL MOVE ACROSS THE AREA THURSDAY.
THIS SYSTEM WILL BE ASSOCIATED WITH STRONG WIND FIELDS THAT WILL
RESULT IN POTENT WIND SHEAR ACROSS THE REGION. ANY STORMS THAT
DEVELOP THURSDAY WILL HAVE THE POTENTIAL FOR ROTATION AND THE
POTENTIAL FOR SEVERE WEATHER.

PERIODS OF HEAVY RAINFALL WILL OCCUR IN STORMS THURSDAY. PONDING
WATER CAN BE EXPECTED AND LOCALIZED FLOODING WILL BE
POSSIBLE...ESPECIALLY IN LOW LYING AREAS AND WHERE DRAINAGE IS POOR.
A FLASH FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF THE REGION FOR
THURSDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS LIKELY THURSDAY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

03

In the hours before

Special weather statement, Dec 23, 2:50 PM CST, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
250 PM CST WED DEC 23 2009

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
240200-
ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW-
CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL-
FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS-
ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR-
LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA-
MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE-
OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER-
TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO-
250 PM CST WED DEC 23 2009

...INTENSE STORM SYSTEM TO AFFECT THE REGION CHRISTMAS EVE...

SEVERE THUNDERSTORMS...WINDY CONDITIONS...AND LOCALIZED FLOODING
WILL ALL BE POSSIBLE CHRISTMAS EVE AS A STRONG WEATHER SYSTEM AFFECTS
THE AREA.

AN UNUSUALLY INTENSE LOW PRESSURE CENTER WILL BE PASSING FROM
NORTHERN LOUISIANA ACROSS ARKANSAS INTO SOUTHERN MISSOURI THURSDAY.
THE LOW WILL PUSH A STRONG COLD FRONT ACROSS THE REGION FROM WEST TO
EAST THURSDAY AFTERNOON. AHEAD OF THE FRONT...A LINE OF STRONG TO
SEVERE THUNDERSTORMS WILL DEVELOP AND SWEEP ACROSS THE AREA FROM
LATE MORNING THROUGH THE AFTERNOON HOURS. ADDITIONALLY...A FEW STRONG
TO SEVERE STORMS COULD DEVELOP AHEAD OF THE LINE...WITH THE RISK OF
THIS ACTIVITY STARTING WEST OF THE MISSISSIPPI RIVER LATE TONIGHT.

THE GREATEST RISK FOR SEVERE WEATHER LOOKS TO BE SOUTH OF
INTERSTATE 20. THE THREAT FOR NUMEROUS DAMAGING WIND GUSTS...WITH THE
POTENTIAL FOR WIND GUSTS IN EXCESS OF 70 MPH...WILL EXIST IN THIS
AREA ALONG WITH THE POSSIBILITY OF TORNADOES. FARTHER TO THE NORTH...
THE SEVERE WEATHER RISK WILL BE SOMEWHAT LESS...BUT DAMAGING WINDS OF
60 MPH WILL BE POSSIBLE ALONG WITH A SLIGHT RISK OF A TORNADO.

EVEN OUTSIDE OF THE THUNDERSTORMS...THE LOW PRESSURE SYSTEM WILL
PRODUCE STRONG SOUTH TO SOUTHEAST WINDS LATE TONIGHT AND THURSDAY.
SUSTAINED WINDS OF 15 TO 30 MPH...WITH GUSTS UP TO 40 MPH...WILL BE
COMMON...WITH THE STRONGEST WINDS IN THE MISSISSIPPI DELTA REGION.
THESE TYPES OF WINDS CAN CAUSE LARGE LIMBS AND A FEW TREES TO BE
DOWNED.

FINALLY...VERY HEAVY DOWNPOURS WILL OCCUR WITH THE STRONGEST STORMS
LATE TONIGHT AND THURSDAY. THIS WILL CAUSE LOCALIZED FLOODING OF LOW
LYING AND POOR DRAINAGE AREAS. TOTAL RAINFALL AMOUNTS OF 2 TO 4
INCHES WILL BE COMMON. FLASH FLOOD WATCHES HAVE BEEN ISSUED FOR
NORTHERN AND WESTERN PORTIONS OF THE ARKLAMISS...AND MAY NEED TO BE
EXPANDED THURSDAY.

WITH MANY PEOPLE TRAVELING TO HOLIDAY FESTIVITIES THURSDAY...IT IS
EXTRA IMPORTANT TO KEEP AWARE OF THE WEATHER SITUATION. PEOPLE SHOULD
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND LISTEN FOR
POSSIBLE WATCHES AND WARNINGS.

AG

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 4:31 AM CSTFlash Flood WatchJANAdams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more37 hr

Nearby

Wind Advisories in Mississippi, 2009Wind Advisories in Louisiana, 2009Wind Advisories in Arkansas, 2009Every wind advisory in 2009

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.