FXUS65 KFGZ 141637
AFDFGZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
930 AM MST SUN MAR 14 2010
.SYNOPSIS...A LOW PRESSURE SYSTEM ACROSS THE FOUR CORNERS REGION WILL
BRING RAIN AND SNOW SHOWERS TO THE NORTHEASTERN PORTIONS OF ARIZONA
TODAY AND TONIGHT. ELSEWHERE...PARTLY CLOUDY SKIES CAN BE EXPECTED.
COOLER TEMPERATURES AND BREEZY NORTHERLY WINDS WILL CONTINUE TODAY.
HIGH PRESSURE WILL BRING FAIR WEATHER FROM MONDAY THROUGH THE MIDDLE
OF THE COMING WORK WEEK.
&&
.DISCUSSION...A STRONG COLD FRONT HAS SWEPT ACROSS NORTHERN ARIZONA
OVERNIGHT...BRINGING WIDESPREAD LIGHT PRECIPITATION AND SHARPLY
COLDER TEMPERATURES WITH A SWITCH TO NORTHWESTERLY SURFACE WINDS.
MOISTURE WRAPPING AROUND THE LOW PRESSURE CENTER WILL CONTINUE TO
BRING SNOW SHOWERS TODAY AND THIS EVENING...MAINLY IN THE NORTHEAST
PORTIONS OF THE STATE. SOME ADDITIONAL SNOW ACCUMULATION IS POSSIBLE
IN THE BLACK MESA AND CHUSKA MOUNTAINS...BUT OTHERWISE LITTLE OR NO
ADDITIONAL ACCUMULATION IS EXPECTED.
HAVE UPDATED GRIDS AND FCST PRODUCTS TO REDUCE CHANCES OF PCPN IN THE
WESTERN ZONES SINCE MUCH DRIER AIR IS NOW IN PLACE AND EXPECT ONLY AN
ISOLATED SHOWER OR TWO TO DEVELOP ACROSS THESE LOCATIONS THIS
AFTERNOON.
HIGH PRESSURE BUILDING INTO THE GREAT BASIN WILL BRING CLEARING
SKIES FOR EARLY IN THE WORK WEEK ALONG WITH NORTHEASTERLY SURFACE
WINDS. TEMPERATURES ARE EXPECTED TO RISE TO ABOVE NORMAL TUESDAY
THROUGH THE REMAINDER OF THE WORK WEEK. HOWEVER...LATE IN THE WEEK
OR ON THE WEEKEND...IT IS POSSIBLE THAT A SHORTWAVE DISTURBANCE
COULD MOVE THROUGH NORTHERN AZ BRINGING COOLER TEMPERATURES...A
CHANCE OF SHOWERS...AND BREEZY WINDS.
&&
.AVIATION...FOR THE 18Z PACKAGE...EXPECT ISOLD TO SCT -SHSN/-SHRA
WITH CIGS FROM 1-3KFT AGL NEAR THE FOUR CORNERS REGION THROUGH
21Z-23Z. CONDITIONS ELSEWHERE WILL BE VFR...WITH GUSTY NORTH TO
NORTHWEST SURFACE WINDS AT 15 TO 25 KTS. AVIATION DISCUSSION NOT
UPDATED FOR AMENDMENTS.
&&
.FGZ WATCHES/WARNINGS/ADVISORIES...NONE.
&&
$$
PUBLIC..................DB
AVIATION................BOHLIN
VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER
INFORMATION.
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