textproduct: NWS Flagstaff
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
SYNOPSIS
Breezy northeast winds are expected along and south of the Mogollon Rim through early Wednesday. Lighter winds over the northeast Arizona valleys will lead to the first freeze of the season for many areas tonight into Wednesday morning. Dry and mild conditions with generally light winds are forecast from Wednesday afternoon into the weekend.
DISCUSSION
High pressure will dominate the weather across Arizona. Look for dry conditions with mild daytime temperatures and seasonably chilly overnight lows through the coming weekend. As far as winds, surface winds will generally be light and variable at less than 10 mph today. However, through midday today along and south of the Mogollon Rim, northeast flow funneled by terrain features will phase with nocturnally induced drainage flow to produce localized wind gusts of 20 to 30 mph. After today we're looking at light winds primarily less than 15 mph through the weekend.
On another note, a dry air mass has moved over northeast Arizona. Light winds across the valleys of northeast Arizona and longer nights will combine with the dry air mass to drop temperatures below freezing, especially for portions of the Little Colorado Valley and Chinle Valley. As a result, a Freeze Warning is in effect for these colder locations through 8 AM MST/9 AM MDT this morning.
AVIATION...Wednesday 29/12Z through Thursday 30/12Z
VFR conditions forecast through the period. Breezy winds (10-20 kts, with localized gusts near 25-30 kts) varying in direction expected through at least 18Z, with light and variable winds forecast afterwards.
OUTLOOK...Thursday 30/12Z through Saturday 01/12Z...VFR conditions forecast through the weekend. Light and variable winds expected on Thursday, becoming SW through NW Friday afternoon at 10-20 kts.
FIRE WEATHER...Wednesday and Thursday
Breezy winds varying in direction will continue through the early afternoon, before light and variable winds return around 11 AM MST today and continue through Thursday. Warm and dry conditions expected otherwise, with minimum RH values generally between 8-20%.
Friday through Sunday...Seasonably warm temperatures and dry conditions forecast to continue through the weekend. Minimum RH values between 10-20% each afternoon, and overnight recoveries between 30-60%. Winds will be west-northwest 5-15 mph on Friday, becoming light and variable for Saturday and Sunday.
FGZ WATCHES/WARNINGS/ADVISORIES
Freeze Warning until 8 AM MST /9 AM MDT/ this morning for AZZ010- 012>014-040.
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