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000
FXUS63 KDLH 100603
AFDDLH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DULUTH MN
1203 AM CST WED FEB 10 2010

.AVIATION.../06Z TAF ISSUANCE/
HIGH PRESSURE WILL BRING VFR CONDITIONS TO ALL OF THE MN TAF SITES
THROUGH THE NIGHT AND INTO WEDNESDAY. FOR KHYR...CLOUDS STREAMING
OFF LAKE SUPERIOR WILL BRING SOME MVFR CONDITIONS FOR A TIME
OVERNIGHT...BEFORE VFR CONDITIONS DEVELOP WEDNESDAY MORNING.

&&

.PREV DISCUSSION... /ISSUED 929 PM CST TUE FEB 9 2010/

UPDATE...ONLY MINOR UPDATES TO CLOUD COVER AND TEMPS FOR THE REST
OF THE NIGHT AS GRIDDED DATA AND ASSOCIATED TEXT PRODUCTS ARE IN
GOOD SHAPE. HIGH PRESSURE WILL CONTINUE TO BUILD IN OVERNIGHT...
RESULTING IN MOSTLY CLEAR CONDITIONS FOR MUCH OF THE MN SIDE...AND
GRADUALLY DECREASING CLOUDS IN FAR NW WI. WILL LIKELY SEE UP TO
ANOTHER INCH ALONG THE SOUTH SHORE IN SPOTS. OTHER THAN THAT...
EVERYTHING IS IN GREAT SHAPE.

AVIATION.../00Z TAF ISSUANCE/
HIGH PRESSURE WILL BRING VFR CONDITIONS TO ALL OF THE MN TAF SITES
THROUGH THE NIGHT AND INTO WEDNESDAY. FOR KHYR...CLOUDS STREAMING
OFF LAKE SUPERIOR WILL BRING SOME MVFR CONDITIONS FOR A TIME
OVERNIGHT...BEFORE VFR CONDITIONS DEVELOP LATER IN THE NIGHT.

PREV DISCUSSION... /ISSUED 256 PM CST TUE FEB 9 2010/

DISCUSSION...
CANCELLED THE LES WARNING...DELTA T` NOT QUITE THERE AT 10 TO 12
AND VERY DRY AIR ADVECTING INTO THE REGION SHUT DOWN MOST OF THE
LES. DO EXPECT LINGERING SNOW SHOWERS THROUGH THE
NIGHT...GRADUALLY ENDING FROM THE WEST ON WED.

IT WILL BE A COLDER NIGHT WITH CLEAR SKIES AND LIGHT WINDS UNDER
BUILDING HIGH. 8H TEMPS DIP DOWN TO THE -10 TO -12 C RANGE. SFC
HIGH WILL BRING DRY AND COOL CONDITIONS FOR WEDNESDAY...BUT THE
COLD WILL BE RELATIVELY SHORT- LIVED.

LONG TERM...THURSDAY THROUGH TUESDAY.
CANADIAN GLOBAL HAS BEEN THE MOST CONSISTENT IN THE LONG TERM WILL
FOLLOW ITS LEAD. SFC RIDGE OVER THE FA ON THURSDAY. HOWEVER...UPPER
LEVEL CLOSED LOW DROPPING OUT OF CANADA WILL INCREASE THE CLOUD
COVER. LEAD SHORT WAVE AHEAD OF THE UPPER LOW ARRIVES IN EASTERN ND
BY 12Z FRIDAY WHILE A SFC REFLECTION DEVELOPS IN SW MN. DUE TO THE
PROXIMITY OF THESE FEATURES TO THE WESTERN FA HAVE A SMALL POP IN
PLACE. ON FRIDAY...THIS LEAD WAVE CONTINUES INTO SW MN WITH THE SFC
LOW INTO CENTRAL IA. WILL CARRY THE SMALL POPS IN THE W IN THE
MORNING BEFORE ENDING FOR THE AFTERNOON.

UPPER LOW DROPS ACROSS THE CANADIAN BORDER FRIDAY NIGHT.
GFS/ECMWF/CMC GEM ALL DIFFER IN ITS LOCATION AND ITS IMPACTS ON THE
FA. DUE TO THESE UNCERTAINTIES...HAVE A SMALL POP EVERYWHERE. AS THE
UPPER LOW PULLS AWAY ON SATURDAY...SFC RIDGING RETURNS WITH ANOTHER
SHOT OF COLD AIR WHICH STAYS THROUGH TUESDAY.

&&

.POINT TEMPS/POPS...
DLH  -1  16   3  21 /   0  10  10  10
INL  -9  16   5  23 /   0  10  20  20
BRD  -9  17  13  22 /   0  10  20  20
HYR -16  18  -4  23 /   0  10  10  10
ASX  -8  20  -1  25 /   0  10  10  10

&&

.DLH WATCHES/WARNINGS/ADVISORIES...
MN...NONE.
WI...NONE.
&&

$$

DAP/BERDES/BERDES