Area Forecast Discussion
Issued by NWS Tucson, AZ

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FXUS65 KTWC 260430

Area Forecast Discussion
National Weather Service Tucson AZ
930 PM MST Sun Jun 25 2017

.SYNOPSIS...Increased moisture resulted in isolated to scattered
showers and thunderstorms on Sunday from Tucson east and south with
a repeat forecast for Monday. Thereafter, drying will significantly
limit thunderstorms the remainder of the week. A break from the
historic heat this week as temperatures will remain normal to just
slightly above seasonal normals.


.DISCUSSION...Tired of talking about hot temperatures, which once
again occurred today across southeast Arizona. All excessive heat
warnings and heat advisories have been put to bed.

Lets talk about rain! Yes, it does rain here in the desert as
scattered showers and isolated thunderstorms occurred this afternoon
and evening, mainly from Tucson east and south. Some of the heftier
storms produced some nice rain totals, especially on Mt Graham which
should help the Frye Wildfire. Activity as of 9 pm was south and
east of a Clifton to Nogales line, moving to the E-SE around 15-20

Further south it was rather active across Sonora MX this evening
with an MCS east of Hermosillo. Outflows from this complex will
likely push into the Gulf of California.

Not as hot Monday with enough moisture around for scattered showers
and isolated thunderstorms from Tucson east and south.


.AVIATION...Valid thru 27/00Z.
SCT-BKN clouds at 8k-15k ft AGL thru the fcst pd. SCT -SHRA/ ISOLD
TS E and S of KTUS will cont to push to the SE and out of the area
by 27/09z. SCT -SHRA/ISOLD TSRA once again Monday aftn/evening from
KTUS E and S. SFC wind less than 12 kts. A few of the stronger
SHRA/TSRA may produce wind gusts to 40 kts and brief MVFR conditions
thur 27/09z and once again Monday aftn. Aviation discussion not
updated for TAF amendments.


.FIRE WEATHER...Seen some rainfall impact area wildfires this
evening with amounts up to two-thirds of an inch on Mt. Graham.

Isolated to scattered thunderstorms generally east and south of
Tucson through Tuesday. Expect decreasing coverage of thunderstorms
Wednesday, with activity limited to near the International Border
Thursday into the weekend. Winds (20-foot) will exhibit diurnal
trends with speeds mainly less than 15 mph. Although some elevated
gusts may occur due to strong daytime heating and/or near showers
and thunderstorms.





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