Area Forecast Discussion
Issued by NWS Flagstaff, AZ

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FXUS65 KFGZ 240359

Area Forecast Discussion
National Weather Service Flagstaff AZ
900 PM MST Mon Apr 23 2018

.SYNOPSIS...Expect well above normal daytime temperatures and dry
conditions much of this week. A slight chance of high based showers
or thunderstorms is anticipated later in the week, mainly over the
eastern counties.


.DISCUSSION...High pressure will amplify across the region for the
next few days, with hghts remaining above normal. A weak upper low
moving along the front range will have little consequence across our
region, maybe enough moisture will briefly backdoor into the eastern
zones to produce some cumulus, but rainfall is not expected.

A stronger low will move into the Great Basin next weekend, with
increased southwest winds and potentially a day or two of high based
convection over the eastern zones, time will tell.

We updated the low temperatures tonight (went lower) and high
temperatures tomorrow (a bit higher), no further updates needed.


.AVIATION...For the 06Z package...Expect VFR conditions across
northern Arizona for the next 24 hours under occasional middle and
high level clouds. Light winds overnight becoming southwest at 5-15
kts on Tuesday. Aviation discussion not updated for TAF amendments.


.FIRE WEATHER...Generally light winds and temperatures near 10
degrees above average will continue through Wednesday. Afternoon
minimum relative humidity will be in the single digits and teens.

Thursday through Saturday...A slight chance of showers and
thunderstorms is forecast to develop over portions of mainly Navajo
and Apache counties on Friday and Saturday, with minimal coverage
and little precipitation expected. Southwest wind speeds are
expected to increase from Friday into Saturday.






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