Area Forecast Discussion
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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959 FXUS65 KFGZ 110522 AFDFGZ Area Forecast Discussion National Weather Service Flagstaff AZ 1022 PM MST Fri May 10 2024 .SYNOPSIS...Seasonal temperatures are expected on Saturday with isolated to scattered afternoon showers and thunderstorms along and north of I-40. Warmer temperatures arrive starting Sunday, with slight chances for a few showers and storms each afternoon through Wednesday. Anticipate typical afternoon breezes through the period. && .DISCUSSION...A weak upper low over southern Nevada will drift across northern Arizona on Saturday and away from the region on Sunday. Somewhat feeble mid-level instability in the cool pool has led to a fair amount of high-based cumulus this afternoon. Perhaps even a drop or two of rain in northern Mohave County and far eastern Coconino Plateau. This will continue to be the case Saturday, with the focal area shifting into northern Arizona. Moisture profiles improve incrementally, so an isolated lightning strike or two may be in play for Saturday afternoon. The cool pool remains Sunday, for continued weak activity, but by Monday, it looks pretty warm aloft and we may need to end our PoPs at that time. Winds are not very exciting, just normal diurnal westerly and southwesterly breezes for several days, nothing to worry about. Temperatures do climb as this low pulls away from the area, above normal readings likely by early next week. Short term trends look fine, no updates needed this evening. && .AVIATION...Saturday 11/06Z through Sunday 12/06Z...Expect VFR conditions. SCT-BKN CIGS AOA 8-10kft AGL through the period, mainly along and north of the Mogollon Rim. ISOLD -SHRA/-TSRA possible AFT 18Z Saturday through 02Z Sunday. Some FU producing VIS from 2-4SM possible near the KSEZ and KFLG terminals through the period. Sfc winds light and variable overnight, with some NE drainage winds just SW of higher terrain and at terminal KSEZ. Otherwise, SW-W5-15g20kts AFT 18Z Saturday through 02Z Sunday. OUTLOOK...Sunday 12/06Z through Tuesday 14/06Z...Expect mostly VFR conditions. Afternoon SCT-BKN CIGS AOA 8kft AGL, ISOLD -SHRA/-TSRA possible, mainly north of a KFLG-KRQE line. Areas VIS 2-4SM with FU near prescribed burns. Sfc winds light and variable in the overnight and early morning hours, westerly 10-15g20kts each afternoon. && .FIRE WEATHER...Saturday and Sunday...Most areas will be dry over the weekend. Chances (20-50%) for afternoon showers/thunderstorms from the Mogollon Rim northward each day, but especially Saturday. Very little precipitation is expected, but gusty outflow winds are possible. Outside of any showers, expect daytime west to northwest winds 10 to 25 mph. Monday through Wednesday...Temperatures will warm to near or above normal. A low chance (10-30%) for mountain showers or thunderstorms will continue each day. Little precipitation is expected. Generally west winds of 10 to 20 mph each afternoon. && .FGZ WATCHES/WARNINGS/ADVISORIES...None. && $$ PUBLIC...Peterson AVIATION...Peterson FIRE WEATHER...MCT/Peterson For Northern Arizona weather information visit weather.gov/flagstaff