Area Forecast Discussion
Issued by NWS Sioux Falls, SD

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FXUS63 KFSD 100246
AFDFSD

AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
845 PM CST TUE FEB 9 2010

.DISCUSSION...
COLDER AND DRIER SFC RIDGE MOVG SEWD OVER CWA REST OF TNGT...WITH
LAST VESTIGES OF SC CLOUDS IN FAR SE AND SWRN CWA EXPCD TO MOVE
OUT OR DSIPT. BRISK NNWLY FLOW IN ERN CWA WILL GRADUALLY DIMINISH
TNGT...WITH ANY WIND CHILL PROBLEMS BEING A MOOT QUESTION BY TIME
TEMPS REALLY DROP. EXPECT AIR MASS TO RADIATE OUT TO THE MAX WITH
DECOUPLING BY SR. HOWEVER...WITH SOME MOISTURE IN THE BOUNDARY
LAYER...WILL HAVE TO WATCH FOR PATCHY BR OR ICE CRYSTALS AFT SR
ESP I29 WEST. PREV FCST LOOKS GOOD OVERALL...BUT MAY HAVE TO CUT
BACK LOWS SOME MORE...ESP IN THE TYPICAL LOW SPOTS WITH PRISTINE
SNOW COVER. /RSR

&&

.AVIATION...
FRAGMENTS OF MVFR CEILINGS WILL CONTINUE TO AFFECT AREAS OF CENTRAL
SOUTH DAKOTA THROUGH THE EVENING HOURS....AND PORTIONS OF SOUTHWEST
MINNESOTA INTO NORTHWEST IOWA THROUGH 06Z.  EXPECT ANY MVFR CEILINGS
TO REMAIN SOUTH OF THE TAF LOCATIONS. EXPECT NORTH WINDS OF 5-10
KNOTS TO DECREASE THROUGH THE NIGHT....BECOMING SOUTHERLY IN CENTRAL
SOUTH DAKOTA AFTER 12Z WEDNESDAY.  WINDS WILL REMAIN FAIRLY LIGHT
THROUGH 00Z THURSDAY WITH HIGH PRESSURE OVERHEAD. /BT

&&

.FSD WATCHES/WARNINGS/ADVISORIES...

IA...NONE.
MN...NONE.
NE...NONE.
SD...NONE.
&&

$$
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