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Area forecast discussion 
National Weather Service Flagstaff Arizona 
900 PM MST Monday Oct 06 2008 


Synopsis...high pressure will build across the area through 
Wednesday with clear skies and seasonable daytime temperatures. On 
Thursday...high pressure will move to the east and winds will be on 
the increase as a storm system strengthens over the Great Basin. For 
Friday and the weekend...cooler temperatures...windy conditions and 
a slight chance of showers are expected across the Northland. 


&& 


Discussion...high pressure will continue to build across Arizona 
overnight. Clear skies and a fairly dry air mass will ensure that 
many locations above the 7000 foot level will see below freezing 
temperatures. For Tuesday and Wednesday...this high pressure system 
will slowly move from west to east across Arizona bringing clear 
skies...light winds and seasonable temperatures. 


On Thursday...high pressure will head to the east as a strong low 
pressure system begins to spin-up over the Great Basin. The main 
impact on Thursday will be strengthening southwest winds through the 
day. 


By Friday and over the weekend...models continue to show a strong 
and cold low pressure system becoming centered over the Great Basin. 
As a result...looks like windy and colder temperatures are still in 
line across northern Arizona with a chance of showers over the weekend 
period. 


&& 


Aviation... for the 06z package...expect clear skies and light 
winds over the next 24 hours. Aviation discussion not updated for 
amendments. 


&& 


Fgz watches/warnings/advisories...none. 


&& 


$$ 


Public.........McCollum 
aviation.......McCollum 


Visit weather.Gov/Flagstaff for northern Arizona weather information.