


Area Forecast Discussion
Issued by NWS Gaylord, MI
Issued by NWS Gaylord, MI
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569 FXUS63 KAPX 271725 AFDAPX Area Forecast Discussion National Weather Service Gaylord MI 125 PM EDT Fri Jun 27 2025 .KEY MESSAGES... - Scattered storms today; a few strong storms possible NE Lower? - Chances for storms at times this weekend, and especially early next week. && .SHORT TERM /THROUGH TONIGHT/... Issued at 326 AM EDT Fri Jun 27 2025 PATTERN SYNOPSIS/FORECAST: Ridge axis slowly exiting stage right...as PV maxima crosses the Upper Midwest along moist southwesterly flow from the Desert SW to Ontario...aiding in convection firing along this moisture/trough axis. 120+kt upper jet on the downstream side of the ridge axis over western Canada; 1023mb surface high still hangs on over eastern Canada north of an instability gradient stretching from central WI through central/southern MI. (Much warmer/more unstable south of this, where temps reached well into the 80s; much cooler north of this where some areas struggled to make it into the 60s across NE MI yesterday.) "Dirty" 1020mb surface high over the southeastern US...marred by east flow convection off the Atlantic thanks to an upper disturbance sliding into FL. Theta-e advection into the Upper Great Lakes attm...with some convective activity developing over Lake MI and down into SW MI as of 4z. Expect surface low to track across WI toward the central UP early this morning...slowly making its way eastward across northern MI today...keeping some convective activity in play through the day, particularly for NE Lower MI where temperatures should recover reasonably well today, into the 70s and 80s. Cold advection begins to sweep in this evening as a quick-moving PV max digs into the region...with some low clouds/drizzle/dreary conditions slipping in tonight. High pressure returns to the area Saturday in response to shortwave ridging building back into the Upper Midwest...ahead of troughing which will begin to dig into the region late Sunday into Monday...bringing with it additional chances for showers/storms, perhaps starting as early as Saturday night. Signals for mid to late week next week suggest flow will become a bit more northwesterly across the Great Lakes...which, at the very least, suggests we should remain cooler than what we just experienced over the last several days. Primary Forecast Concerns through Tonight: Storm potential through the day...Think we should remain generally unsettled through the day, particularly across N. Lower and especially NE Lower as the trough axis aloft and surface reflection crosses the region. Think most of the area should get into the warm sector today as the warm front slips through from SW to NE through midday...but also think the window for destabilization ahead of the cold front is shorter up here compared to downstate, which could keep our storms from getting too vigorous. Additionally, not sure we will have the greatest forcing for ascent here, particularly if the front gets a bit washed out today. Still...with better flow aloft up this way...and potential for around 1000J/kg CAPE (give or take), think storms could get a little rowdy across NE Lower this afternoon, particularly if they are able to break into sun and get more diurnal destabilization today. Best chance of this will be near Saginaw Bay (as usual), though the more likely shot for severe weather resides to our south across SE Lower, where there is much better potential for destabilization today. Any storms could still produce locally heavy rainfall and perhaps some gusty winds. && .LONG TERM /SATURDAY THROUGH THURSDAY/... Issued at 326 AM EDT Fri Jun 27 2025 Primary forecast concerns into next weekend: Storm/rain potential Saturday night...Still liking the idea of upstream convection riding into our area Saturday night along the warm front and ahead of a PV max crossing Manitoba/Ontario. Best potential attm should be across the Yoop...but thickness gradient could support storms tracking a bit more south of current expectations. Additionally...looks like the atmosphere may not be quite as moist with this next system, which could limit (excessive) rainfall potential...and do think upstream activity will be riding into a less favorable environment overall, as we should be a bit cooler here. Storm chances Sunday night through Monday...Think the next niblet approaching from the northwest Sunday night into Monday will be worth keeping an eye on, as it could be a little more robust of a feature than recent action, with better dynamics/shear to work with, and perhaps better forcing as well. Still a lot of uncertainty in timing to contend with for us...and think Saturday night/Sunday morning activity could impact what happens Sunday afternoon...but will still be the next best shot for action for the Midwest/Great Lakes. && .AVIATION /18Z TAFS THROUGH 18Z SATURDAY/... Issued at 124 PM EDT Fri Jun 27 2025 A few isolated showers/storms may develop this afternoon, although chances are low that they`ll directly impact any of the terminals. Otherwise, varied CIGs across northern Michigan ranging from LIFR/IFR north to increasing probabilities for VFR at MBL/TVC/APN through the remainder of the daylight hours. Increasing probabilities for at least MVFR CIGs, if not lower, at all terminals tonight before cloud bases rise and scatter out through Saturday morning. Occasionally gusty southwest winds this afternoon veer more westerly tonight while losing most of the gustiness. && .APX WATCHES/WARNINGS/ADVISORIES... MI...None. MARINE...Small Craft Advisory until 8 PM EDT this evening for LMZ323- 342. && $$ SHORT TERM...FEF LONG TERM...FEF AVIATION...MJG