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Area forecast discussion 
National Weather Service Grand Forks ND 
830 PM CST Thursday Nov 20 2008 


Discussion...forecast challenge for update concerns temperatures. 
Surface ridge axis oriented along a dvl-jms line. Temperatures over 
snow pack around zero and will have several more hours before return 
flow kicks in which should level off temperatures. Farther east back 
edge of SC cloud deck along a bwp-fse-Rox line and should clear forecast area 
by midnight. Ridge axis will be over far eastern forecast area by morning for 
full night of cooling. Only thing keeping temperatures from really 
bottoming out will be lack of snow cover and gradual return flow. 
With temperatures running below the curve will need to drop minimums a 
few more degrees. Will also make adjustments to sky cover allowing 
for quicker clearing. Rm 


&& 


Aviation...MVFR ceilings will continue to shift east overnight and 
should clear all but far southeast forecast area by midnight. Remainder will be sky clear. 


&& 


Fgf watches/warnings/advisories... 
ND...none. 
Minnesota...none. 


&& 


$$ 
Voelker