An upper level disturbance moved into the midsouth during the afternoon hours of 2/01/07. Cold air was already in place and thus the disturbance produced light snow accumulations of 1 to 2 inches through the early morning hours of 2/02/07.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
An upper level disturbance moved into the midsouth during the afternoon hours of 2/01/07. Cold air was already in place and thus the disturbance produced light snow accumulations of 1 to 2 inches through the early morning hours of 2/02/07.
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 Feb 1, 11:11 AM CST, 49 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
1111 AM CST THU FEB 1 2007
.DISCUSSION...SURFACE ANALYSIS THIS MORNING PLACES 1005 MB LOW
PRESSURE ACROSS CENTRAL TEXAS WITH 12Z UPPER AIR ANALYSIS INDICATING
A 700 MB SHORTWAVE ACROSS THE LOWER MISSISSIPPI VALLEY. REGIONAL
WSR-88D RADAR SHOWS LEADING EDGE OF PRECIPITATION...MAINLY IN THE
FORM OF RAIN WITH SOME SLEET MIXED IN ACROSS SOUTHWEST ARKANSAS.
300K SURFACE SHOWS ISENTROPIC ASCENT AND MOISTURE GRADUALLY
INCREASING ACROSS THE MID SOUTH DURING THE AFTERNOON. SHORT TERM
MODELS/MODEL SOUNDINGS SUGGEST THAT PRECIPITATION TYPE WILL BE
MAINLY IN THE FORM OF RAIN ACROSS THE SOUTHERN HALF OF THE FORECAST
AREA THIS AFTERNOON...WITH MAYBE SOME SNOWFLAKES MIXING IN ACROSS
THE I-40 CORRIDOR TOWARDS LATE AFTERNOON AS WET BULB TEMPERATURES
ARE AT OR JUST BELOW FREEZING. WILL NOT MAKE ADJUSTMENTS TO
HEADLINES AT THIS TIME BUT WILL UPDATE FORECAST TO REFLECT TIMING OF
PRECIPITATION ACROSS THE MID SOUTH.
UPDATED GRIDS WILL BE PUBLISHED SHORTLY.
CJC
&&
.PREV DISCUSSION...ISSUED 246 AM CST THU FEB 1 2007
ROUND ONE OF THE WINTER WEATHER IS BEGINNING TO MOVE AWAY FROM THE
FORECAST AREA THIS MORNING. LOCAL RADAR SHOWS THE MAIN PRECIP
EXTENDING SOUTH OF A LINE FROM TUPELO TO CHARLESTON.
ELSEWHERE...PRECIP IS VERY LIGHT AND BECOMING PATCHY. GFS/NAM APPEAR
TO HAVE A VERY GOOD HANDLE ON THE FORECAST FOR TODAY. WILL
DISCONTINUE ADVISORIES THIS MORNING EXCEPT WHERE THE MAIN PRECIP
BAND IS CURRENTLY AT. MODELS SHOW THIS BAND OF MOISTURE PERSISTING
IN THIS AREA UNTIL LATE MORNING. WITH TEMPERATURES THERE HOVERING
AROUND THE FREEZING POINT...SOME LIGHT ICING REMAINS POSSIBLE.
ELSEWHERE...ADDITIONAL PRECIP THIS MORNING SHOULD BE INSIGNIFICANT.
HOWEVER...REPORTS OF ACCIDENTS FROM ICED ROADWAYS FROM EARLIER
PRECIP CONTINUE TO ROLL IN SO MOTORISTS SHOULD CONTINUE TO BE ALERT
THIS MORNING ACROSS THE ENTIRE REGION. ROUND TWO IS EXPECTED TO MOVE
INTO THE REGION DURING THE AFTERNOON AND EXIT THE REGION THIS
EVENING. THIS NEXT ROUND IS ASSOCIATED WITH ANOTHER SHORTWAVE TROUGH
MOVING THROUGH THE AREA AND A DEVELOPING 180KT JET STREAK. NAM
SOUNDINGS SHOW THAT THE RAIN/SNOW LINE WILL FALL ROUGHLY ALONG
INTERSTATE 40 THIS AFTERNOON. DO EXPECT THAT LOCATIONS ALONG
INTERSTATE 40 WILL GET ABOVE FREEZING BEFORE THIS PRECIP
BEGINS...BUT THAT THE TEMP WILL WET BULB DOWN TO NEAR THE FREEZING
POINT DURING THE AFTERNOON AND INTO THE EVENING. QPF AMOUNTS ON BOTH
THE GFS/NAM ARE AROUND 0.10-0.20 INCHES. ASSUMING A 10-1 RATIO WHICH
SHOULD WORK OUT ABOUT RIGHT FOR THIS SITUATION...1 TO 2 INCHES ARE
POSSIBLE ALONG THE I-40 CORRIDOR AND NORTHWARD. AS A RESULT...A SNOW
ADVISORY WILL BE IN EFFECT FOR THIS AFTERNOON FOR THIS AREA.
THE MORE SIGNIFICANT PRECIP SHOULD END ACROSS THE ENTIRE REGION
THIS EVENING AS THIS SHORTWAVE MOVES EASTWARD. SOME LIGHT PRECIP
IN THE WAKE OF THE SYSTEM IS POSSIBLE BUT ACCUMULATIONS SHOULD BE
INSIGNIFICANT.
ON FRIDAY...LOW CLOUDS WILL STICK AROUND FOR THE ENTIRE DAY. A
CHANCE OF FLURRIES/SPRINKLES WILL BE POSSIBLE AS A WEAKENING
SHORTWAVE MOVES THROUGH THE REGION. PRECIP IS EXPECTED TO BE MOST
NOTICEABLE OVER OKLAHOMA BUT SHOULD DIMINISH SIGNIFICANTLY AS IT
MOVES ACROSS ARKANSAS.
EXPECT CLOUDS TO GRADUALLY BREAK UP ON SATURDAY. HOWEVER...MUCH
BELOW NORMAL TEMPERATURES ARE EXPECTED TO PERSIST THROUGH THE
REMAINDER OF THE FORECAST AS UPPER TROUGH SETTLES OVER THE EASTERN
U.S. NO OTHER SIGNIFICANT WEATHER SYSTEMS APPEAR IN THE MODELS AT
THIS POINT...THUS A DRY FORECAST.
&&
.MEG WATCHES/WARNINGS/ADVISORIES...
AR...SNOW ADVISORY FROM NOON TODAY TO MIDNIGHT CST TONIGHT FOR CLAY-
CRAIGHEAD-CRITTENDEN-CROSS-GREENE-LAWRENCE-MISSISSIPPI-
POINSETT-RANDOLPH-ST. FRANCIS.
MO...SNOW ADVISORY FROM NOON TODAY TO MIDNIGHT CST TONIGHT FOR
DUNKLIN-PEMISCOT.
MS...NONE.
TN...SNOW ADVISORY FROM NOON TODAY TO MIDNIGHT CST TONIGHT FOR
CARROLL-CHESTER-CROCKETT-DECATUR-DYER-FAYETTE-GIBSON-
HARDEMAN-HAYWOOD-HENDERSON-HENRY-LAKE-LAUDERDALE-MADISON-
OBION-SHELBY-TIPTON-WEAKLEY.
&&
VALLEHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 620 AM CST THU FEB 1 2007 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-021200- 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- 620 AM CST THU FEB 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT MANY AREA ROADS REMAIN SLICK THIS MORNING. MOTORISTS SHOULD USE EXTREME CAUTION. A SNOW ADVISORY HAS BEEN ISSUED FOR THIS AFTERNOON AND THIS EVENING FOR MUCH OF WEST TENNESSEE...NORTHEAST AND EAST CENTRAL ARKANSAS ALONG WITH THE MISSOURI BOOTHEEL. A SECOND ROUND OF SNOW IS EXPECTED TO MOVE INTO THE REGION THIS AFTERNOON. THIS SECOND WAVE COULD PRODUCE 1 TO 3 INCHES OF ADDITIONAL SNOWFALL ACROSS THE ADVISORY AREA. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS ARE ENCOURAGED TO RELAY SNOW AND ICE ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE. VALLE
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Light snow fell over Dunklin County which produced accumulations of 1 to 2 inches. Many roadways were covered.
Light snow fell over Pemiscot County which produced accumulations of 1 to 2 inches. Many roadways were covered.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2007Every state in 2007This day in weather historyWarnings in Missouri, February 2007
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: 15788, 15789.