958
FXUS65 KTWC 232142
AFDTWC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
242 PM MST SAT OCT 23 2021
SYNOPSIS
WARM AND DRY THIS WEEKEND AND INTO EARLY NEXT WEEK. A
WEATHER SYSTEM BRINGS COOLER TEMPERATURES AND A SLIGHT CHANCE OF
A FEW SHOWERS MAINLY NORTH AND EAST OF TUCSON MONDAY NIGHT INTO
TUESDAY NIGHT.
DISCUSSION
PLEASANT TEMPS WITH SOME PASSING CIRRUS CLOUDS SUMS
TODAY UP NICELY. SUNDAY WILL BE SIMILAR.
MONDAY: WARMER WITH BREEZY SOUTHWEST WINDS IN ADVANCE OF PACIFIC
TROF WHICH MOVES INLAND.
TUESDAY: THE ABOVE MENTIONED PACIFIC TROF AND ITS ASSOCIATED COLD
FRONT WILL PUSH ACROSS THE AREA TUESDAY MORNING. THIS SYSTEM WILL
BRING A SLIGHT CHANCE OF VALLEY RAIN AND HIGH ELEVATION SNOW
SHOWERS. PRECIPITATION TOTALS WILL BE VERY LIGHT. MUCH COOLER WITH
HIGHS UP TO 10 DEGREES COOLER THAN MONDAY.
WEDNESDAY: AFTER A CHILLY START TO THE MORNING, LIKELY THE COLDEST
MORNING IN THIS 7 DAY FORECAST PACKAGE, HIGHS REBOUND A FEW
DEGREES WARMER THAN TUESDAY.
THURSDAY AND FRIDAY: WARMER UNDER BUILDING HIGH PRESSURE ALOFT.
AVIATION
VALID THROUGH 25/00Z. FEW TO SCT CIRRUS CLOUDS AOA
20K FT AGL THRU VALID PD. SFC WINDS SWLY 7-13 KTS WITH OCNL GUSTS
AROUND 20 KTS ON SUNDAY. AVIATION NOT UPDATED FOR TAF AMENDMENTS.
FIRE WEATHER
A QUIET AND DRY PERIOD OF WEATHER THIS WEEKEND,
WITH A SLIGHT CHANCE OF SHOWERS IN THE WHITE MOUNTAINS MONDAY
NIGHT INTO TUESDAY NIGHT. 20-FT WINDS INCREASE EACH AFTERNOON AT
THROUGH TUESDAY, BUT GENERALLY REMAIN LESS THAN 20 MPH. EXPECT
SEASONAL HUMIDITY LEVELS IN THE TEENS TO LOWER 20S DURING THE
AFTERNOON WITH GOOD OVERNIGHT RECOVERIES, INCREASING NEXT TUESDAY.
TWC WATCHES/WARNINGS/ADVISORIES
NONE.
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