Area Forecast Discussion
Issued by NWS Tucson, AZ

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157
FXUS65 KTWC 210432
AFDTWC

Area Forecast Discussion
National Weather Service Tucson AZ
930 PM MST Thu Jul 20 2017

.SYNOPSIS...Scattered to numerous afternoon and evening
thunderstorms will prevail into early next week. The greatest daily
thunderstorm coverage should occur east to south of Tucson with
reduced thunderstorm activity across the western deserts. Below
normal daytime temperatures will also prevail into early next week.

&&

.DISCUSSION...Areal coverage of showers/t-storms was slowly
diminishing across the area after a fairly active afternoon and
early evening. However to the north there was still isolated
activity occurring. With a steering flow out of the north-northwest
will see at least isolated activity continuing across the area into
early Friday morning. Abundant moisture in place to keep the monsoon
train rolling on into the weekend.

&&

.AVIATION...Valid thru 22/06Z.
Scattered -SHRA/isolated TS gradually diminishing into early Friday
morning. Otherwise, VFR conditions with cloud decks generally 5k-10k
ft AGL with BKN layers above, and surface wind variable in direction
mainly less than 12 kts. Winds vicinity TSRA could gust 40+ kts.
Scattered storms around once again Friday afternoon and evening.
Aviation discussion not updated for TAF amendments.

&&

.FIRE WEATHER...Scattered to numerous mainly afternoon and evening
thunderstorms will continue through the weekend into early next week
with locally heavy rain. Temperatures will remain below normal with
a continuation of elevated humidity levels. 20-foot winds will
mainly remain below 15 mph with the exception of strong outflow
winds in the vicinity of thunderstorms.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...None.

&&

$$

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