Area Forecast Discussion
Issued by NWS Flagstaff, AZ

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FXUS65 KFGZ 261034
AFDFGZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 AM MST SUN OCT 26 2014

.SYNOPSIS...
BREEZY CONDITIONS AND A FEW ISOLATED SHOWERS ARE EXPECTED TODAY AS A
LOW PRESSURE SYSTEM MOVES ACROSS THE GREAT BASIN. TEMPERATURES WILL
COOL TO NEAR SEASONAL NORMALS TODAY AND MONDAY...BEFORE RISING AGAIN
AS HIGH PRESSURE BUILDS OVER ARIZONA LATE IN THE WEEK. ANOTHER
PACIFIC WEATHER SYSTEM IS EXPECTED TO BRING COOL AND BREEZY
CONDITIONS TO THE NORTHLAND FOR NEXT WEEKEND.

&&

.DISCUSSION...
A TROUGH OF LOW PRESSURE WAS CENTERED OVER THE PACIFIC NORTHWEST
DURING THE EARLY MORNING HOURS. FOR TODAY AND MONDAY...THE TROUGH
WILL HEAD EASTWARD, MOVING INTO THE UPPER MIDWEST REGION BY LATE
MONDAY. THE MAIN IMPACT FOR TODAY WILL BE JUST ENOUGH MOISTURE FOR A
SLIGHT CHANCE OF A SPRINKLE OR LIGHT SHOWER AND PRESSURE GRADIENTS
SUPPORTING SOUTHWEST WINDS OF 10 TO 20 MPH. ON MONDAY, AS THE TROUGH
HEADS EASTWARD, PRESSURE GRADIENTS WILL WEAKEN RESULTING IN LIGHTER
WINDS. A DRIER AND COOLER AIR MASS WILL ALSO MOVE ACROSS THE
NORTHLAND BEHIND THIS SYSTEM WITH HIGH TEMPERATURES ON MONDAY
LOWERING TO NEAR SEASONAL NORMALS.

FOR TUESDAY INTO FRIDAY...A SHORTWAVE RIDGE OF HIGH PRESSURE WILL
MOVE ACROSS THE SOUTHWESTERN UNITED STATES. FOR THIS PERIOD EXPECT
DRY CONDITIONS, MAINLY CLEAR SKIES AND WARMING DAYTIME TEMPERATURES.
WINDS WILL REMAIN LIGHT FOR TUESDAY INTO THURSDAY BUT BEGIN TO
PICKUP IN STRENGTH BY FRIDAY AS ANOTHER LOW PRESSURE TROUGH
APPROACHES FROM THE PACIFIC.

NEXT WEEKEND...MODELS ARE IN FAIR AGREEMENT IN SHOWING BREEZY AND
COOLER CONDITIONS AS ANOTHER PACIFIC WEATHER SYSTEM BRUSHES NORTHERN
ARIZONA.

&&

.AVIATION...
FOR THE 12Z PACKAGE...VFR CONDITIONS EXPECTED FOR THE NEXT 24 HRS.
ISOLATED -SHRA POSSIBLE OVER HIGH TERRAIN FROM KFLG EASTWARD TILL
00Z MON. SW WINDS BECOMING 10-15 KTS WITH GUSTS TO 26
KTS...DECREASING AFTER SUNSET. AVIATION DISCUSSION NOT UPDATED FOR
AMENDMENTS.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

PUBLIC.........MCCOLLUM
AVIATION.......RR

FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT
WEATHER.GOV/FLAGSTAFF







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