Area Forecast Discussion
Issued by NWS Phoenix, AZ

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000 FXUS65 KPSR 062213 AFDPSR AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 313 PM MST SAT FEB 6 2016 .UPDATE... UPDATED AVIATION SECTION. && .SYNOPSIS...DRY NORTHWEST FLOW ALOFT WITH MOSTLY CLEAR SKIES WILL DEVELOP OVER THE AREA THROUGH THE WEEKEND...ALONG WITH WARMER TEMPERATURES. BY NEXT WEEK...A STRONG HIGH PRESSURE SYSTEM WILL BUILD OVER THE REGION RESULTING IN MUCH ABOVE NORMAL TEMPERATURES. && .DISCUSSION... DRY NORTHWEST FLOW ALOFT IS EXPECTED THROUGH THE WEEKEND...FOLLOWED BY AN ANOMALOUSLY STRONG HIGH PRESSURE SYSTEM AND MUCH WARMER TEMPERATURES NEXT WEEK. OCCASIONAL NORTH WINDS IN THE 8 TO 15 MPH RANGE ARE EXPECTED DOWN THE COLORADO RIVER VALLEY THROUGH TUESDAY. && .AVIATION... SOUTH-CENTRAL ARIZONA INCLUDING KPHX...KIWA...AND KSDL AND SOUTHEAST CALIFORNIA/SOUTHWEST ARIZONA INCLUDING KIPL AND KBLH... NORTH AND NORTHEASTERLY WINDS WILL CONTINUE TO PREVAIL IN THE LOWER LEVELS OF THE TROPOPSHERE THROUGH SUNDAY. AT NIGHT AND THE MORNING HOURS WHEN THE INVERSION IS IN PLACE...THERE MAY BE RELATIVELY STRONG WINDS AT TIMES...20-30 KTS...AT 2-3KFT MSL WHICH WOULD BE FLIRTING WITH LLWS CRITERIA. AT THE SAME TIME IN THE PHOENIX AREA THERE WILL BE OCCASIONAL LOCALIZED WEST WINDS AT THE SURFACE...STARTING BEFORE SUNSET. OTHERWISE...CLEAR SKIES. AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS. && .FIRE WEATHER... MONDAY THROUGH FRIDAY... BUILDING HIGH PRESSURE INTO THE WESTERN CONUS WILL PROVIDE AMPLE WARMING AND DRYING FOR AREA FIRE DISTRICTS. TEMPERATURES WILL CONTINUE THEIR WARMING TREND FROM THE WEEKEND AND PEAK AT READINGS 10 TO 12 DEGREES ABOVE MID FEBRUARY NORMALS WITH MANY LOWER ELEVATIONS SITES PUSHING INTO THE 80S. RHS WILL ALSO REMAIN ON THE DRIER AND BELOW NORMAL SIDE DURING THE WEEK. LOCALLY BREEZY CONDITIONS ALONG THE CO RIVER VALLEY ARE EXPECTED EACH AFTERNOON...OTHERWISE WINDS WILL GENERALLY FOLLOW TYPICAL DRAINAGE/SLOPE DRIVEN HEADINGS WITH LIGHT SPEEDS. BY WEEKS END THE UPPER RIDGE WILL BEGIN TO SHIFT TO OUR EAST AS TROUGHING ALIGNS ITSELF OVER THE WEST COAST AGAIN. SOME SLIGHT TEMPERATURE COOLING AND INCREASING CLOUDINESS WILL LIKELY RESULT TO CLOSE OUT THE WORK WEEK. && .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT BASED ON STANDARD OPERATING PROCEDURES. && .PSR WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && $$ VISIT US ON FACEBOOK...TWITTER...AND AT WEATHER.GOV/PHOENIX DISCUSSION...VASQUEZ AVIATION...AJ FIRE WEATHER...NOLTE

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