Scientific Forecaster Discussion
fxus65 ktwc 261024
Area forecast discussion
National Weather Service Tucson Arizona
325 am MST Fri may 26 2017
Synopsis...gusty winds and slightly below normal daytime
temperatures will be around today. A warming trend with less wind
will then prevail Saturday into Monday. A weak low pressure system
will bring a chance of showers and thunderstorms especially east of
Tucson Monday into next Thursday.
Discussion...the high level cloud cover that was around yesterday
has pushed on east of the area this morning. Expect a sunny to
mostly sunny day across the area today with high temperatures
running 2-8 degrees cooler than Thursday. Gusty winds will also be
around today which may produce localized areas of blowing dust.
Warmer daytime temperatures this weekend into early next week with
above normal temperatures continuing thru next Thursday.
Will see an increase in moisture from the east southeast Monday thru
Thursday for a slight chance to chance of afternoon and evening
showers and thunderstorms, mainly east of Tucson.
Aviation...valid thru 27/12z.
Some thin cirrus at times otherwise sky clear thru pd. Sfc wind less than
12 kts thru 16z then bcmg swly/wly 12-25 kts with gusts to near 35
kts until 27/03z. The strongest speeds will be east of ktus. Sfc
wind after 27/04z less than 12 kts. Aviation discussion not updated
for taf amendments.
Fire weather...a red flag warning is in effect from 10 am this
morning to 8 PM this evening for portions of fire weather zones 151
and 152, mainly south-to-southeast of Tucson. The combination of
strong and gusty winds, low relative humidity values and a very high
fire danger will create critical fire weather conditions.
Less wind will prevail this weekend and next week. Some increase in
moisture will result in a chance of mainly afternoon and evening
thunderstorms near higher terrain Monday into next Thursday. Expect
erratic and gusty winds due to thunderstorm outflows.
red flag warning from 10 am this morning to 8 PM MST this evening