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Cucurbit Downy Mildew Forecasts - Sunday, August 26, 2018


*** Epidemic Update - 26 August: New reports from PA and KY. CDM has been confirmed in Columbia County, PA; and Caldwell County, KY. Please view the Epidemic History for details. ***

*** Epidemic Update - 24 August: New reports from IN, AL, WI, PA, and NY. CDM has been confirmed in Knox County, IN; Shelby and Elmore Counties, AL; Dane County, WI; Chester County, PA; and Chautauqua, Allegany, Cattaraugus, and Tioga Counties, NY. Please view the Epidemic History for details. ***


Regional Weather: Eastern United States / southern Canada

Variable summer weather. High pressure sprawls over the eastern U.S. / southern Canada. Dry weather for most locales. There is a good chance of rain for parts of the upper Midwest (a nearby front) and near the Gulf Coast. Isolated to scattered showers are possible elsewhere, mainly in the Ohio Valley / Great Lakes and the Appalachian mountains. Warming trend is ongoing, with highs in the 80s and 90s, lows in the 60s/70s (increasing to 70s).



Overview: Epidemic spread likely in WI. Conditions are most favorable nearest a front in the upper Midwest, which impact the events out of WI. A smattering of other transport events ... those potentially impacting parts of the Great Lakes, Northeast, the Appalachains, and the lower South ... will have slightly favorable to mixed conditions around them.  

Risk prediction map for Day 1: Sunday, August 26

HIGH Risk in eastern WI. Moderate Risk to cucurbits in southern MS, southern AL, the FL panhandle, and southern GA. Low Risk for southern SC, the southern Appalachians, northern WV, northern MD, central and eastern PA, northern NJ, NY except the north and far west, southern VT, southwest NH, western MA, most of CT, northern IN, and western and central MI. Minimal Risk to cucurbits otherwise.

Risk prediction map for Day 2: Monday, August 27

HIGH Risk in southeast WI. Moderate Risk to cucurbits in central and northern MI, western sections of southern ON, western NY, the southern Appalachian Mountains, southeast MS, the southern half of AL, southwest GA, and the FL panhandle. Low Risk to cucurbits in southern SC, southeast GA, far northern WV, western MD, southern and eastern PA, and central NY. Minimal Risk to cucurbits elsewhere.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2018