A stationary front moved northward as a warm front during the daytime on December 8th, 2009. As the front moved north, an area of low pressure developed along the front.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MEG wrote it up.
A stationary front moved northward as a warm front during the daytime on December 8th, 2009. As the front moved north, an area of low pressure developed along the front. The low pressure brought several periods of heavy rain to North Mississippi. Flash flooding occurred as a result of the heavy rain.
The local office's own words before the first event, 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 the first event at Dec 8, 3:43 PM CST, 11 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
343 PM CST TUE DEC 8 2009
.DISCUSSION...
A DEEP LOW WILL TRACK FROM THE SOUTHERN PLAINS TO THE GREAT LAKES
THROUGH WEDNESDAY. HEAVY RAIN WILL PROVIDE A RISK OF FLOODING
ACROSS THE CWA EAST OF THE MISSISSIPPI RIVER THIS EVENING. CANNOT
RULE OUT A STRONG THUNDERSTORM IN NRN MS THROUGH EARLY EVENING. A
TRAILING COLD FRONT WILL MOVE EAST OF THE CWA BY MIDNIGHT ENDING
THE RISK OF HEAVY RAIN AND STRONG TSTMS.
STRONG PRESSURE GRADIENT BEHIND THE COLD FRONT WILL CREATE WINDY
CONDITIONS LATE TONIGHT AND EARLY WEDNESDAY. MAY STILL NEED A WIND
ADVISORY FOR A SMALL AREA LATE TONIGHT.
HIGH PRESSURE WILL PROVIDE COOL AND DRY WEATHER WEDNESDAY THROUGH
FRIDAY. A LOW IN THE GULF MAY PROVIDE SOME LIGHT RAIN POSSIBLY
MIXED WITH SNOW IN THE NORTH FRIDAY NIGHT. ANOTHER SYSTEM WILL
PROVIDE RAIN EARLY NEXT WEEK.
SWC
&&
.AVIATION...
12Z TAFS
WIDESPREAD SHOWERS AND IFR TO PREVAIL ACROSS THE MIDSOUTH FOR
MUCH OF TODAY. AN ELEVATED UNSTABLE LAYER WILL OVERRIDES STABLE
AIR IN THE LOWEST 3 KFT...PRODUCING ISOLATED THUNDERSTORMS OVER
NORTH MS. COVERAGE SHOULD SUFFICIENTLY LIMITED FOR A CB MENTION AT
KMEM. KTUP WILL LIKELY SEE AN ELEVATED LINE OF THUNDERSTORMS MOVE
THROUGH IN THE 00Z TO 02Z TIME FRAME.
KMEM LIKELY TO EXPERIENCE CROSSWIND GUSTS TO 30KTS ACROSS THE N/S
RUNWAYS FOR THE LATE EVENING AND OVERNIGHT PUSHES...AS A POWERFUL
UPPER LEVEL STORM SYSTEM PASSES JUST OFF TO THE NORTH...INTO THE
UPPER MIDWEST.
PWB
&&
.PRELIMINARY POINT TEMPS/POPS...
MEM 37 46 23 43 / 80 10 10 10
MKL 40 45 22 41 / 80 10 10 10
JBR 32 40 21 40 / 60 10 10 10
TUP 49 53 26 44 / 90 10 10 10
&&
.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...FLASH FLOOD WATCH UNTIL MIDNIGHT CST TONIGHT FOR ALCORN-BENTON
MS-CALHOUN-CHICKASAW-COAHOMA-DESOTO-ITAWAMBA-LAFAYETTE-LEE
MS-MARSHALL-MONROE-PANOLA-PONTOTOC-PRENTISS-QUITMAN-
TALLAHATCHIE-TATE-TIPPAH-TISHOMINGO-TUNICA-UNION-YALOBUSHA.
TN...FLASH FLOOD WATCH UNTIL MIDNIGHT CST TONIGHT FOR CARROLL-CHESTER-
CROCKETT-DECATUR-DYER-FAYETTE-GIBSON-HARDEMAN-HARDIN-
HAYWOOD-HENDERSON-HENRY-LAKE-LAUDERDALE-MADISON-MCNAIRY-
OBION-SHELBY-TIPTON-WEAKLEY.
&&HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 533 AM CST TUE DEC 8 2009 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-091100- 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- 533 AM CST TUE DEC 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT A STRONG THUNDERSTORM OR TWO PRODUCING WIND GUSTS TO 50 MPH AND LOCALIZED FLOODING ARE POSSIBLE ACROSS NORTH MISSISSIPPI THIS AFTERNOON INTO TONIGHT AS A STRONG COLD FRONT MOVES THROUGH THE MID SOUTH. A WIND ADVISORY MAY BE NEEDED TONIGHT AS SOUTHWEST WINDS INCREASE TO 20 TO 25 MPH WITH GUSTS TO 35 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A WIND ADVISORY MAY BE NEEDED ACROSS THE MID SOUTH WEDNESDAY MORNING AS WEST WINDS 20 TO 25 MPH WITH GUSTS TO 35 MPH ARE POSSIBLE. WINTER PRECIPITATION IS ALSO POSSIBLE FRIDAY NIGHT INTO SATURDAY MORNING FOR AREAS ALONG AND NORTH OF A LINE FROM HUNTINGDON TENNESSEE TO JONESBORO ARKANSAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
The Memphis radar (KNQA), 56 km away, was scanning. The volume nearest the first event began at 21:51 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain produced flash flooding around Hernando. Pine Tree Loop was closed due to flood waters as a result.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2009Every state in 2009This day in weather historyWarnings in Mississippi, December 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 206401.