FXUS63 KFGF 101030
AFDFGF

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND FORKS ND
430 AM CST THU DEC 10 2009

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT.
HIGH AMPLITUDE UPPER RIDGE AND TROUGH WAS OVER AK/GULF OF AK AND 
CENTRAL NORTH AMERICA RESPECTIVELY. PATTERN DEAMPLIFIES THIS PERIOD 
BUT SIGNIFICANT TROUGH REMAINS OVER CANADA. PROGRESSIVE ZONAL 
PATTERN DEVELOPS OVER THE SOUTHERN US BY THE END OF THIS PERIOD.  

NAM AND ECMWF WERE SIMILAR THROUGH 84 HOURS WITH A FLAT UPPER RIDGE 
OVER ONT. GFS AND GEM WERE SIMILAR BUT FARTHER EAST WITH UPPER 
RIDGE. ECMWF HAS BEEN A LITTLE MORE PERSISTENT THAN THE GFS OVER THE 
LAST FEW RUNS AND SO WILL USE THE ECMWF AND NAM. 

.LONG TERM...SUNDAY AND MONDAY. 
LITTLE CHANGE. 

&&

.AVIATION...
SATELLITE LOOP SHOWING HIGH CLOUDS MOVING ACROSS THE AREA. MVFR 
CIGS WERE LOCATED OVER WESTERN ND. EXPECT LOWER CIGS TO THE WEST TO 
MOVE INTO EASTERN ND LATER THIS MORNING OR EARLY AFTERNOON. 

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...WIND CHILL ADVISORY UNTIL NOON CST THURSDAY FOR NDZ006>008-
     014>016-024-026>030-038-039-049-052>054.

MN...WIND CHILL ADVISORY UNTIL NOON CST THURSDAY FOR MNZ001>009-
     013>017-022>024-027>032-040.

&&

$$

HOPPES