Area Forecast Discussion
Issued by NWS Tucson, AZ

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FXUS65 KTWC 201605

Area Forecast Discussion
National Weather Service Tucson AZ
905 AM MST FRI MAY 20 2016

.SYNOPSIS...Dry conditions and warmer daytime temperatures today
with some afternoon breezes. Those breezes will continue this
weekend with locally windy conditions as well along with slightly
cooler temperatures. Below normal temperatures will persist through
at least the middle of next week.


.DISCUSSION...A clear sky prevailed across SE Arizona this morning
with the closest cloud cover over NW Arizona. After a relatively
calm wind day on Thursday, the wind machine starts to crank back up
again today and will continue through the weekend as low pressure
moves through the Great Basin. Thus breezy to locally windy
conditions each afternoon with patchy blowing dust possible in the
normal trouble spots along I-10 in Pinal County and near San Simon
in Cochise County. Highs today will generally run 2 to 5 degrees
warmer versus yesterday. Cooler this weekend with highs Saturday
near what occurred Thursday and then another couple degrees cooler
on Sunday. Outside of the wind, can`t complain going into the last
part of May.


Clear skies or a few clouds around 10-15k ft msl into Saturday
morning. Surface wind into this evening will be sly/swly at 12-24
kts with gusts to near 35 kts. The strongest speeds will be west-to-
northwest of KTUS. Surface wind late tonight into early Saturday
morning will generally be less than 10 kts. Aviation discussion not
updated for TAF ammendments.


.FIRE WEATHER...Gusty afternoon southwest winds will occur into the
middle of next week. Daytime minimum relative humidity through
Sunday will mainly range from 10-15 percent for lower elevations,
and 20-25 percent across the mountains. Expect somewhat lower
relative humidity values early next week.

Although gusty winds and low daytime relative humidity will occur
this afternoon and Saturday, with the strongest winds forecast west
of Sells in Fire Weather Zone 150, a moderate Fire Danger rating
will also prevail. Thus, a Red Flag Warning will not be issued at
this time.





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