Area Forecast Discussion
Issued by NWS Tucson, AZ

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FXUS65 KTWC 010441
AFDTWC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
940 PM MST SAT APR 30 2016

.SYNOPSIS...THE WEATHER SYSTEM THAT BROUGHT GUSTY WINDS AND SOME
SHOWERS ON SATURDAY WILL MOVE ACROSS ARIZONA INTO SUNDAY. A FEW
SHOWERS AND A STRAY THUNDERSTORM OR TWO...MAINLY TO AREAS NORTH OF
TUCSON. A HIGH PRESSURE RIDGE WILL THEN PROVIDE DRY CONDITIONS WITH A
STRONG WARMING TREND MUCH OF NEXT WEEK. ANOTHER STORM SYSTEM WILL
BRING WINDY CONDITIONS FRIDAY...ALONG WITH COOLER TEMPERATURES AND A
FEW SHOWERS NEXT WEEKEND.

&&

.DISCUSSION...WIND WAS ONE OF THE MAIN WEATHER STORIES OF TODAY WITH
STRONG GRADIENT PRODUCING AREAS OF BLOWING DUST IN NE COCHISE COUNTY
WHERE I-10 WAS CLOSED FROM STATE 191 TO THE NM BORDER A COUPLE OF
TIMES THIS AFTERNOON. BLOWING DUST WAS ALSO AN ISSUE ALONG I-10 IN
PINAL COUNTY STRONG OUTFLOW EMANATING FROM A STORM S OF GILA BEND
PUSHED E ACROSS THE AREA. THE BLOWING DUST WAS CAUGHT ON I-10
CAMERAS AROUND CASA GRANDE. THE BEST AREAL COVERAGE OF SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS THIS EVENING WAS ACROSS PINAL
COUNTY. RAINFALL AMOUNTS GENERALLY BEING LESS THAN 0.15".

ALL OF THE ABOVE ACTIVITY IS ASSOCIATED WITH AN SLOW MOVING UPPER
LOW THAT WAS CENTERED OVER ERN LA PAZ/NWRN MARICOPA COUNTIES AS OF 9
PM. THIS LOW WILL SLOWLY FILL OVERNIGHT AND THEN OPEN UP ON SUNDAY
AS IT MOVES INTO E-CENTRAL AZ. AREAS N AND NE OF TUCSON WILL HAVE
THE BETTER CHANCE OF SHOWERS...POSSIBLY A T-STORM...THRU SUNDAY AS
COLD POOL ALOFT MOVES THRU. THE REMAINDER OF THE AREA WILL REMAIN
DRY.

&&

.AVIATION...VALID THRU 02/03Z.
SCT...OCNL BKN...CLOUDS AT 8-12K FT AGL THRU THE FCST PD. WDLY SCTD
-SHRA/TS MNLY N-NE OF KTUS. SFC WIND 5-15 KTS. AVIATION DISCUSSION
NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...A STORM SYSTEM WILL MOVE ACROSS THE STATE THIS
WEEKEND...RESULTING IN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
MAINLY NORTH/NORTHEAST OF TUCSON AND ESPECIALLY ACROSS THE WHITE
MOUNTAINS THROUGH MONDAY. DRY CONDITIONS WILL RETURN THEREAFTER
ALONG WITH A WARMING TREND INTO THURSDAY OF NEXT WEEK. ANOTHER STORM
SYSTEM IS EXPECTED TO IMPACT THE REGION LATE THIS WEEK
INTO NEXT WEEKEND.

LESS WIND IS EXPECTED SUNDAY THROUGH WEDNESDAY...ALTHOUGH SOME
EASTERLY BREEZES ARE POSSIBLE MONDAY AND TUESDAY MORNING. EXPECT AN
INCREASE IN SOUTHWEST WINDS LATE NEXT WEEK AS ANOTHER STORM SYSTEM
APPROACHES THE REGION.

&&

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

$$

&&

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON



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