Area Forecast Discussion
Issued by NWS Wilmington, OH
Issued by NWS Wilmington, OH
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398 FXUS61 KILN 101325 AFDILN AREA FORECAST DISCUSSION National Weather Service Wilmington OH 925 AM EDT Mon Jun 10 2024 .SYNOPSIS... High pressure and cooler air settles in behind a weak front moving through the region this morning. The cool air mass is replaced by much warmer air as the high pressure shifts to the east through midweek. The warming trend continues through the end of the week. A cold front approaches the region Friday, providing a brief interruption to the heat on Saturday. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... A cold front continues pushing south of the Ohio River this morning. A reinforcing shot of cool, dry air will advect in from the northwest through the day behind the front. Temperatures will struggle to rise out of the 60s today along and north of I-70 with increasing cloud cover behind the front and CAA. Temperatures near and south of the Ohio River only top out in the lower to middle 70s. Some clearing is expected later today as high pressure builds in from the north. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/... High pressure settles in over the Midwest and Ohio Valley with the center off to the west in Illinois. Lights winds and mostly clear skies allow for efficient cooling. All locations but perhaps some ridge tops across Ohio River region will see temperatures drop into the mid to upper 40s. Even with sunny skies Tuesday afternoon, the lower theta-e air mass will take some time to modify. High temperatures likely stay in the 70s for most locations, but lower 80s are forecast for the warmer spots (urban areas and greater tri-state area). Winds will be light and variable with the center of the high pressure moving eastward over the region. && .LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/... West to northwest flow will continue aloft through the end of the work week. Within this flow, a weak mid level short wave will push east across the southern Great Lakes and upper Ohio Valley on Wednesday, but with not much in the way of moisture associated with it, will maintain a dry forecast. Highs on Wednesday will be in the low to mid 80s, warming to highs on Thursday in the upper 80s to around 90 degrees. Another mid level short wave and an associated cold front will drop east southeast across the region Thursday night into Friday. Moisture will still not be all that great but with a little better forcing and some weak instability, will continue with some lower end pops during that time period. Highs on Friday will be in the mid 80s to near 90 degrees. Surface high pressure and a slightly cooler airmass will build into the region through the day on Saturday with afternoon highs ranging from the mid 80s north to upper 80s across the south. Mid level ridging and increasing heights will then build into the Ohio Valley and Great Lakes region through early next week. This will lead to unseasonably warm temperatures with highs on Sunday mainly in the lower 90s. && .AVIATION /14Z MONDAY THROUGH FRIDAY/... Starting to see MVFR clouds enter the area from the north as winds shift to more northerly behind the front. MVFR CIGs are a bit scattered at this time, so it may take a couple hours (14-15Z) before full MVFR restrictions begin. Starting MVFR at 12Z for DAY based on current satellite. Expect MVFR CIGs to gradually increase in height to near VFR before drier air erodes the cloud deck between 22Z and 00Z. As clouds scatter this evening, expecting SKC and light/variable winds through the rest of the period due to high pressure settling in. OUTLOOK...No significant weather expected. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None. && $$ SYNOPSIS...McGinnis NEAR TERM...Campbell SHORT TERM...McGinnis LONG TERM...JGL AVIATION...McGinnis