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Area forecast discussion 
National Weather Service Grand Forks ND 
355 am CST Friday Nov 21 2008 


Short term... 
surface high at 98z over western Minnesota...lingering clouds remain over bde- 
bji-adc areas with the rest of the forecast area clear with temperatures 
around zero. 


High will slide east today with southeast wind from the cold high 
over the area and thus will side on the cool side on MOS. Expect 
lingering clouds in the east to gradually dissipate with sunshine 
over the forecast area today. 


Next system is a vorticity maximum moving over eastern Idaho/SW Montana. This 
short wave will move east and then southeast across South Dakota 
tonight. Models remain in good agreement in keeping an area of 
light snow from northwest South Dakota into southeast ND...with northern edge of any very light 
snow possibly skirting the far southern ND mainly in the 00z-06z 
time period. Otherwise...very dry air north of this system will 
keep skies mainly clear through most of the night. 


On Saturday....some middle and high level moisture will work over the 
area as 850 mb warm advection moves in ahead of next system which 
will move to the north of the border Sat night-Sunday. Very little 
lift associated with this system so precipitation potential is very weak. Sunday 
night will see short wave and trough dig into Minnesota and then 
shift east Monday-Monday night with brief shot of cold advection. Will 
maintain some flurries-snow showers mainly over northwest Minnesota Sun night 
into a part of Monday. 


Long term... 
quiet weather into middle week with short wave riding and warmer air 
moving in through Wednesday. No changes needed. 




&& 


Aviation... 
winds to turn south-southeast today 10-15 kts in eastern ND but be 
light in Minnesota. Skies mainly clear with some high or middle clouds in 
the far south (fargo area) tonight. 


&& 


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


$$ 
Riddle