THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 03 FOR CHRISTMAS 2009 WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
900 PM CST WED DEC 23 2009
...DANGEROUS WINTER STORM WILL AFFECT MUCH OF THE CENTRAL AND
PARTS OF THE EASTERN U.S. THROUGH CHRISTMAS WITH HEAVY SNOW AND
HEAVY RAIN. THE MAGNITUDE OF THE SYSTEM AND SLOW MOVEMENT WILL
SEVERELY IMPACT HOLIDAY GROUND AND AIR TRAVEL...
WINTER STORM WARNINGS ARE IN EFFECT FOR MUCH OF THE CENTRAL AND
NORTHERN PLAINS INTO THE UPPER MIDWEST...AND WINTER WEATHER
ADVISORIES SURROUND THIS AREA...EXTENDING WESTWARD TO THE ROCKY
MOUNTAINS AND EASTWARD TO LAKE MICHIGAN. BLIZZARD WARNINGS ARE IN
EFFECT NEAR THE WESTERN END OF LAKE SUPERIOR.
FLOOD AND FLASH FLOOD WATCHES ARE IN EFFECT FOR MOST OF THE MIDDLE
AND LOWER MISSISSIPPI VALLEY STATES.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 900 PM CST...A 1004 MB...29.65 INCH...LOW PRESSURE CENTER WAS
IN EAST CENTRAL KANSAS WITH A COLD FRONT EXTENDING INTO NORTH
CENTRAL TEXAS. A WARM FRONT EXTENDED FROM THE LOW INTO THE LOWER
OHIO VALLEY. NATIONAL WEATHER SERVICE DOPPLER RADARS AND SURFACE
OBSERVATIONS SHOWED A LARGE AREA OF PRECIPITATION OVER THE CENTRAL
U.S. SNOW WAS FALLING FROM THE FRONT RANGE OF THE ROCKIES EASTWARD
TO THE UPPER MIDWEST...WITH SOME FREEZING RAIN AND SLEET MIXED IN
WITH THE SNOW OVER THE CENTRAL PLAINS JUST SOUTH OF THE MAIN
SNOWFALL AREA. HEAVY RAIN WAS FALLING FROM MISSOURI AND ILLINOIS
SOUTHWARD INTO EASTERN TEXAS AND THE LOWER MISSISSIPPI RIVER
VALLEY. NUMEROUS THUNDERSTORMS HAVE ALSO FORMED OVER THE SOUTH
CENTRAL STATES TONIGHT.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 900 PM CST TUE DEC
22 THROUGH 900 PM CST WED DEC 23...
...COLORADO...
PINECLIFFE 3 SE 7.2
GREELEY 1 N 6.8
WATKINS 8 SE 6.7
NUNN 4 WNW 6.3
FORT COLLINS 1 SE 6.0
NORTH BRUSH 6.0
PARADOX 2N 6.0
NIWOT 5.4
HUGO 1 NW 5.0
BUCKEYE 4.7NNE 4.1
ESTES PARK 2.2S 4.0
COLORADO SPRINGS 5 ESE 2.0
...KANSAS...
GOVE 8.0
GRAINFIELD 6.0
PALCO 6.0
QUINTER 6.0
WINONA 5.0
ELLIS 11NNE 2.8
HAYS 5.4SSW 2.4
CATHERINE 2.0
...MINNESOTA...
NORTHFIELD 2.0
...NEBRASKA...
ALMA 5.0
COLUMBUS 3 NE 5.0
BEAVER CITY 4.0
FRANKLIN 4.0
HOLDREGE 4.0
WILSONVILLE 4.0
HASTINGS 4 N 3.5
GRAND ISLAND 3.0
...SOUTH DAKOTA...
DEADWOOD 2 NE 5.2
SPEARFISH 2.5
...WYOMING...
SUNDANCE 6 NW 3.5
CHEYENNE 3.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 900 PM CST TUE DEC
22 THROUGH 900 PM CST WED DEC 23...
...ARKANSAS...
LITTLE ROCK 3.02
PINE BLUFF 2.66
HOT SPRINGS 2.39
MONTICELLO 1.66
EL DORADO 1.04
SHERWOOD 1.8NNW 1.04
...ILLINOIS...
SPRINGFIELD 1.40
...MISSOURI...
SAINT LOUIS 1.16
ST CHARLES 0.94
...MISSISSIPPI...
GREENVILLE 1.70
...TEXAS...
BULLARD 3.7E 1.32
TEXARKANA 1.30
LONGVIEW/GREGG CO. ARPT 1.09
...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
900 PM CST TUE DEC 22 THROUGH 900 PM CST WED DEC 23...
...IOWA...
DAVENPORT 0.40
DAYTON 1 W 0.25
IOWA CITY 5 NW 0.20
NEWTON 0.15
MARSHALLTOWN 3 SE 0.10
...ILLINOIS...
ABINGTON 1 N 0.30
CAMP GROVE 0.10
ELMIRA 2 NW 0.10
...KANSAS...
OBERLIN 0.25
BURR OAK 0.24
...NEBRASKA...
BRUNING 0.25
THE SURFACE LOW WILL SLOWLY INTENSIFY TONIGHT AND MOVE INTO
MISSOURI CHRISTMAS EVE. THE LOW WILL THEN BEGIN RAPID
INTENSIFICATION THROUGH CHRISTMAS DAY AND MOVE INTO IOWA. HEAVY
SNOW WILL EXPAND THROUGH THE CENTRAL AND UPPER MIDWEST STATES WITH
SIGNIFICANT BLOWING AND DRIFTING SNOW AND BLIZZARD CONDITIONS. A
LARGE AREA OF 6 TO 12 INCH SNOWS ARE EXPECTED WITH LOCALIZED 1 TO
2 FOOT AMOUNTS POSSIBLE OVER NORTHERN IOWA AND INTO SOUTHERN
MINNESOTA. THE ASSOCIATED COLD FRONT WILL PUSH ACROSS THE LOWER
OHIO VALLEY AND INTO THE GULF COAST STATES WITH A GOOD CHANCE FOR
HEAVY RAINFALL AND SEVERE THUNDERSTORMS THROUGH CHRISTMAS DAY.
RAINFALL AMOUNTS OF 1 TO 4 INCHES ARE LIKELY AND THIS MAY CAUSE
SOME FLOODING ISSUES.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 300 AM CST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
HAMRICK
Last Updated: 951 PM EST WED DEC 23 2009