Area forecast discussion 
National Weather Service Tucson Arizona 
847 PM MST Monday Jan 26 2015 

Synopsis...low pressure will continue to move northeast 
tonight...taking clouds and showers away from Southeast Arizona. 
After a mild and sunny Wednesday...clouds will increase again 
Thursday in advance of a more potent weather system which will bring 
valley rain and mountain snow to the are late Thursday into the 


Discussion...still looking at some rain showers across the area 
which should eventually decrease in coverage and clear later 
tonight. Current forecast was handling these trends no 
updates necessary this evening. Please refer to the additional 
sections for more details. 


Aviation...valid through 28/06z. 
Scattered -shra will occur across Southeast Arizona through 27/06z after which 
-shra should end from SW to NE through mid-morning. Occasional MVFR 
conditions and ceilings as low as 4k feet may occur near -shra. MVFR 
visibilities in br and Montana obscurations are possible after dark into Tuesday 
morning. Easterly surface winds at 8-12 kts will prevail through 
middle-morning Tuesday with diurnal trends resuming at all terminals 
thereafter. Aviation discussion not updated for taf amendments. 


Fire weather...east to southeast winds will occur across much of 
the area this afternoon with speeds in the 10-15 miles per hour range...with a 
few higher gusts possible. Scattered showers will be ending from 
southwest to northeast tonight. Dry weather will return Tuesday 
through Thursday before another Pacific storm brings a good chance 
of valley rain and mountain snow showers late Thursday into next 
weekend. Gusty southeast winds may occur Thursday afternoon and 
Thursday night ahead of this next system...especially for the Gila 
River valley and locations adjacent the nm border. 


Twc watches/warnings/advisories...none. 



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Previous discussion...drozd 
aviation/fire weather...French 

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