Area Forecast Discussion
Issued by NWS Tucson, AZ

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FXUS65 KTWC 010434
AFDTWC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
935 PM MST SAT JAN 31 2015

.SYNOPSIS...THE WIDESPREAD RAIN EVENT OF THE PAST TWO DAYS WILL
CONTINUE TO WIND DOWN TONIGHT. AFTER A COOL DAY AREA WIDE IT WILL BE
WARMER ON SUNDAY WITH WARMING TREND CONTINUING DURING THE UPCOMING
WEEK.

&&

.DISCUSSION...THE WIDESPREAD RAIN/HIGH ELEVATION SNOW EVENT OF THE
PAST TWO DAYS IS WINDING DOWN. DOPPLER RADAR SHOWED ISOLATED AREAS
OF LIGHT PRECIPITATION. UPDATED THE FORECAST EARLIER THIS EVENING
FOR LESS ACTIVITY. WATER VAPOR IMAGERY SHOWED UPPER LEVEL TROF
EXTENDING FROM SW NM INTO CENTRAL BAJA CA. THIS TROF WILL CONTINUE
TO DROP SSE OVERNIGHT INTO SUNDAY AS ENERGY OFF NRN BAJA CA COAST
DROPS S. MAIN CONCERN OVERNIGHT...AFTER THE TWO DAY WIDESPREAD RAIN
EVENT...WILL BE FOG DEVELOPMENT. CLOUD COVER WILL BE ERODING
OVERNIGHT AND LEAVE AREAS THAT WILL BE BE MOSTLY CLEAR. HARD TO
PINPOINT THE LESS THAN ONE MILE VISIBILITY AREAS...SO WILL CONTINUE
TO HAVE PATCHY AREAS OVERNIGHT FOR MUCH OF THE FORECAST AREA. WILL
CLOSELY MONITOR OBSERVATIONS.

WARMER SUNDAY WITH WARMING TREND CONTINUING THRU THE UPCOMING WEEK.

&&

.AVIATION...VALID THRU 02/06Z.
SCT-BKN CLOUD DECKS AT 050-070 AGL WITH HIGHER LEVEL CLOUDS
GRADUALLY DIMINISHING. LCL MVFR CONDS NEAR SHOWERS. WINDS WILL
MAINLY BE LESS THAN 10 KTS. DEPENDING ON CLOUD COVERAGE LATE
TONIGHT...COULD SEE SOME PATCHY FOG BUT CONFIDENCE TOO LOW TO
INCLUDE IN TERMINAL FORECASTS. OTHERWISE...IMPROVING CONDITIONS
SUNDAY WITH DIMINISHING CLOUD COVERAGE. AVIATION DISCUSSION NOT
UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...ISOLATED SHOWERS WILL BE AROUND OVERNIGHT INTO
SUNDAY MORNING AS LOW PRESSURE EXITS THE AREA. DRY CONDITIONS WILL
RETURN SUNDAY AFTERNOON AND LAST THROUGH THE UPCOMING WORK WEEK.
20-FT WINDS GENERALLY BE ELY-SLY AT 5-15 MPH. SOME EASTERLY WINDS
ARE EXPECTED THURSDAY NIGHT INTO FRIDAY WITH A FEW HIGHER GUSTS
POSSIBLE. OTHERWISE...TYPICAL DIURNAL WIND TRENDS FOR MUCH OF THE
UPCOMING WEEK.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

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