Area Forecast Discussion
Issued by NWS Twin Cities, MN
Issued by NWS Twin Cities, MN
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824 FXUS63 KMPX 222320 AFDMPX Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 520 PM CST Fri Nov 22 2024 .KEY MESSAGES... - A slight warm up is expected over the weekend before a more winter- like airmass moves in for the Thanksgiving holiday and beyond. - Our next chance for precip arrives late Sunday into Monday, primarily for central and eastern Minnesota and western Wisconsin. Otherwise, no significant systems appear to be on the horizon. && .DISCUSSION... Issued at 255 PM CST Fri Nov 22 2024 The eastern half of our forecast area is stuck under a deck of stubborn stratus that extends down through central Missouri and eastward to the Atlantic coast. Meanwhile, the western half of Minnesota is enjoying a partly sunny but chilly Friday with temperatures in the low 30s. The aforementioned stratus has migrated ever so slowly to the east throughout the day, but any clearing will be short lived. Mid and high clouds are expected to fill in overnight area wide with persistent overcast/mostly cloudy conditions through the majority of the forecast period. Despite the gloomy skies, weekend temperatures will be pleasant by late November standards, especially by Sunday. Strong WAA will send highs into the mid 30s to mid 40s, some 5-7 degrees above normal. With this WAA will come with an increase in moisture ahead of a trough passing through northern Minnesota and a weak surface low to the south. While these two features will be far enough away from the MPX forecast area that we will miss out on the main precip show, there`s a chance for some rain and snow showers late Sunday into Monday. Since Sunday will be warm/above freezing, anything that does fall will do so as rain. Overnight, a transition to rain/snow is expected with temperatures near freezing by Monday morning. Central and eastern Minnesota and western Wisconsin will see the bulk of the precip, but even so amounts will be minimal with QPF coming in at only a few hundredths. Temperatures will likely stay at or below freezing from Monday evening through the remainder of the week. We will see our first true taste of winter-like temperatures with lows bottoming out in the teens to single digits by midweek. The coldest portion of the forecast period will arrive just after the Thanksgiving holiday and last into the beginning of December. The 6-10 day CPC temperature outlook highlights this as well. Precip wise, a clipper on Thanksgiving into Friday may bring our next chance for some light snow showers, but confidence is low at this point in time. However, confidence is high on the persistence of extensive cloud cover from this weekend through next week. It may not be until next weekend that we finally see some true sunshine as this cold and dry Canadian airmass takes hold. && && .AVIATION /00Z TAFS THROUGH 00Z SATURDAY/... Issued at 520 PM CST Fri Nov 22 2024 Continued stratus except for MKT and RWF for much of this period. It should begin to lift for VFR to return on Saturday and coverage might even get to SCT as the high moves overhead. With this high we will also see light and variable winds through the period. Even for our currently clear terminals stratus will return overnight. This will help to limit the chances for fog. The best chance will be at MKT, but the main area of moisture is more likely over southeast Minnesota to the east of MKT. So opted to just go with a TEMPO at this time for fog/mist. KMSP...Mid level stratus to continue this evening with continued MVFR expected. Tonight, despite continued stratus the ceilings will most likely lift to near the VFR/MVFR threshold. VFR ceiling and light winds expected tomorrow. /OUTLOOK FOR KMSP/ SUN...VFR. Wind SE 5-10 kts. MON...VFR/MVFR, chc -RASN. Wind NW 10-15G20 kts. TUE...VFR. Wind NW 5-10 kts. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...None. WI...None. && $$ DISCUSSION...Dye AVIATION...NDC