Area Forecast Discussion
Issued by NWS Tucson, AZ

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FXUS65 KTWC 041027
AFDTWC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
325 AM MST FRI SEP 4 2015

.SYNOPSIS...A MOIST ATMOSPHERE WILL REMAIN ACROSS SOUTHEAST ARIZONA
THROUGH THIS WEEKEND. THUS EXPECT SCATTERED MAINLY AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS THROUGH SUNDAY WITH A GRADUALLY
REDUCTION IN AREAL COVERAGE OF STORMS EARLY NEXT WEEK. BELOW NORMAL
DAYTIME TEMPERATURES WILL PREVAIL THROUGH THIS WEEKEND...THEN HIGH
TEMPERATURES RETURNING CLOSE TO SEASONAL NORMALS BY THE MIDDLE OF
NEXT WEEK.

&&

.DISCUSSION...MOIST SOUTHERLY FLOW TO CONTINUE ACROSS THE AREA TODAY
AND INTO THIS WEEKEND. THIS FETCH OF MOISTURE EXTENDS TO TROPICAL
STORM KEVIN. AS KEVIN CONTINUES TO DRIFT TO THE WNW AND WEAKENS THIS
WEEKEND...EXPECT THIS FETCH OF MOISTURE TO GRADUALLY DECREASE THIS
WEEKEND.

FOR TODAY...WITH NO DISCERNIBLE UPPER LEVEL FEATURE TO ENHANCE STORM
 ACTIVITY AND LOTS OF CLOUD COVER...EXPECT SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS WITH WELL BELOW NORMAL HIGHS. MAINLY CONCERN
TODAY WILL ONCE AGAIN BE LOCALLY HEAVY RAIN. A CHANCE OF STORMS EACH
DAY THIS WEEKEND...WITH SUNDAY BEING THE LESS ACTIVE OF THE TWO
DAYS.

WILL MAINTAIN ISOLATED TO SCATTERED STORMS EARLY NEXT WEEK WITH NEAR
NORMAL HIGH TEMPERATURES.

&&

.AVIATION...VALID THRU 05/12Z.
ISOLD -SHRA MAINLY SE KTUS THRU 04/18Z. AFTER 04/18Z SCTD -SHRA AND
ISOLD -TSRA WITH MVFR CONDS AND LCL IFR CONDS NR STRONGER TSRA.
CLOUD DECKS WILL GENERALLY RANGE FROM 10-15K FT AGL AND SURFACE WIND
WILL GENERALLY BE LESS THAN 10 KTS. AVIATION DISCUSSION NOT UPDATED
FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...EXPECT SCATTERED MAINLY AFTERNOON AND EVENING
THUNDERSTORMS INTO EARLY NEXT WEEK. LOCALLY HEAVY RAINFALL AND
BRIEF GUSTY WINDS WILL ACCOMPANY THE STRONGER THUNDERSTORMS. TYPICAL
THUNDERSTORM GUSTS WILL BE 25-35 MPH WITH STRONGER STORMS GUSTING TO
OVER 50 MPH. OUTSIDE OF THUNDERSTORM GUSTS...20-FT WINDS WILL BE
TERRAIN DRIVEN AND MAINLY LESS THAN 15 MPH INTO NEXT WEEK. ISOLATED
TO SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS WILL THEN
PREVAIL BY THE MIDDLE OF NEXT WEEK.

&&

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

&&

$$

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