FXUS65 KTWC 211605
Area Forecast Discussion
National Weather Service Tucson AZ
905 AM MST Mon Aug 21 2017
.SYNOPSIS...Expect isolated to scattered mainly afternoon and
evening thunderstorms into next weekend. The greatest coverage of
thunderstorms should occur Wednesday into Thursday. Otherwise, the
bulk of thunderstorms will likely remain east to south of Tucson.
.DISCUSSION...Mother nature has done her job in providing a clear
sky to witness the partial solar eclipse this morning.
Precipitable water values across the area this morning ranged from
1.1" to 1.3" under southwest flow aloft. Isolated storms today will
mainly be over the mountains east and south of Tucson.
Better chances of storms mid week as mid-level flow aloft becomes
.AVIATION...Valid thru 22/12Z.
Isold to widely scattered TSRA/SHRA 21/18Z thru 22/05Z, mainly east
and south of KTUS. Surface wind variable in direction mainly less
than 12 kts, although brief gusts to near 35 kts in vicinity of TSRA
are possible. Aviation discussion not updated for TAF amendments.
.FIRE WEATHER...Expect isolated thunderstorms mainly east and south
of Tucson today and Tuesday. Thunderstorm chances increasing again
Wednesday onward. Normal diurnal wind trends will occur through
Wednesday then the flow will become mostly easterly thereafter.
Locally strong and gusty winds expected in the vicinity of
thunderstorms. Daytime temperatures will be warmer than normal
through the week into next weekend with typical humidity levels.
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