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Area Forecast Discussion
Issued by NWS Twin Cities, MN
Issued by NWS Twin Cities, MN
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735 FXUS63 KMPX 191124 AFDMPX Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 624 AM CDT Fri Jul 19 2024 .KEY MESSAGES... - Seasonable temperatures with daily chances for isolated afternoon showers and thunderstorms this weekend through early next week. && .DISCUSSION... Issued at 256 AM CDT Fri Jul 19 2024 Very quiet across MN and western WI early this morning with current temperatures ranging in the upper 50s to low 60s. Given the current temperature profile against dew point depressions of 3 degrees or less, another morning of patchy fog is possible for eastern MN and western WI before mixing out later this morning. Aside from fog potential, NT Microphysics show a couple bands of altostratus entering southwestern MN which is a result of increasing moisture out ahead of low pressure system located farther off to our west. Most of today looks dry under partly cloudy skies with highs in the lower 80s although, diurnal isolated showers and storms will increase from west to east this afternoon. Precip Coverage is expected to broaden once the aforementioned low reaches southwestern MN. Highest confidence for rainfall will be areas south of the I-94 corridor during the pre-dawn hours Saturday. Redevelopment is possible Saturday afternoon across central MN as a result of diurnal surface heating and remnant forcing from the previous passing low. QPF through this period looks to remain on track with the previous discussion advertising a couple of tenths up to a half inch of rainfall expected. Sunday through the rest of the forecast period looks to be rather uniform. Diurnal chances for showers and thunderstorms each afternoon with PoPs ranging in the 20 to 40 percents except for Tues and Wed where a shortwave out ahead of a ridging pattern provides a better shot widespread precip. Temperatures will start near normal and then gradually trend slightly above normal into the mid to upper 80s by the end of the week as the ridging shifts eastward. && .AVIATION /12Z TAFS THROUGH 12Z SATURDAY/... Issued at 619 AM CDT Fri Jul 19 2024 Mid-level clouds will remain in place throughout this duration, just a matter of coverage, which is expected to bounce between SCT and BKN. No precipitation expected during this duration, but some isolated SHRA/TSRA in western MN this evening through tonight cannot be entirely ruled out. Winds will remain under 10kts from a prevailing southerly direction. KMSP...Have kept the TAF dry as any precipitation is expected to remain to the west of MSP throughout this duration. However, going into Saturday afternoon and evening (as in, later TAFs), precipitation need to be introduced depending on confidence. /OUTLOOK FOR KMSP/ SUN...VFR. Chance afternoon TSRA/MVFR. Wind NE 5 kts. MON...VFR. Chance afternoon TSRA/MVFR. Wind NW 5 kts. TUE...VFR. Chance afternoon TSRA/MVFR. Wind NE 5 kts. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...None. WI...None. && $$ DISCUSSION...Dunleavy AVIATION...JPC