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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Wednesday
• 
• High: 104 °
• Low: 77 °
• Clear

• Thursday
• 
• High: 104 °
• Low: 79 °
• Clear

• Friday
• 
• High: 106 °
• Low: 84 °
• Partly Cloudy

• Saturday
• 
• High: 106 °
• Low: 82 °
• Mostly Cloudy

• Sunday
• 
• High: 106 °
• Low: 81 °
• Partly Cloudy

Area forecast discussion 
National Weather Service Phoenix Arizona 
900 PM MST Tuesday Jun 18 2013 


Synopsis... 
strong high pressure combined with persistent southwesterly flow 
will keep temperatures slightly above normal through the weekend. 
This will result in dry weather and persistent clear skies across 
all of southeast California...southwest and south central Arizona. 


&& 


Discussion... 
dry southwesterly flow persists this evening under clear skies. In 
the short-term...minor adjustments were made to the 
temperatures/dewpoints. Otherwise...the forecast remains on track. 


&& 


Previous discussion... 
tonight through Friday... 
a rather large and energetic low pressure system will continue to 
move slowly into the Pacific northwest through Friday. Far removed 
at our latitude...dry westerly flow of warm subsident air will 
dominate. Little change in temperatures are also forecast this week 
with readings near or slightly above normal...I.E. 104 to 108 degree f 
on the lower deserts. 


Saturday through Tuesday... 
higher amounts of Mexican moisture will slowly creep north into 
parts of far Southeast Arizona late Saturday and Sunday....however still 
remain at Bay across parts of our forecast area...namely Phoenix 
/zone 23/ east to Globe/Miami /zone 24/. 


However by late Monday and Tuesday enough low level moisture may 
spread north into parts of our zone 24 for a slight chance of 
afternoon thunderstorms by Tuesday. Little change in temperatures 
are expected Saturday through Tuesday with near or slightly above 
normal values. 


&& 


Aviation... 
south-central Arizona...including kphx...kiwa and ksdl... 
southeast California and southwest Arizona including kipl and kblh... 


Mostly clear skies. Locally gusty winds up to 20-25kt during the 
evening hours...mainly at kipl....otherwise light winds expected 
overnight at all taf sites through 17z Wednesday. 


Aviation discussion not updated for amended tafs. 


&& 


Fire weather... 
Friday through Tuesday... 
very dry southwesterly flow aloft will prevail through early next 
week...with only a slight increase in moisture working into portions 
of southern Arizona over the weekend. Indications are only far 
Southeast Arizona and New Mexico would be affected by this moisture. 
Therefore...dry weather...clear skies...lighter winds can be 
expected through the entire period. Minimum afternoon humidity 
values will fall into the single digits...with fair to poor 
overnight recovery. Some higher wind gusts may be possible Thursday 
and Friday afternoon...though still well below critical thresholds. 


&& 


Psr watches/warnings/advisories... 


Arizona...none. 


California...none. 


&& 


$$ 


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Discussion...Hirsch 
previous discussion...vasquez/percha 
aviation...Meyers 
fire weather...MO/Meyers