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Cucurbit Downy Mildew Forecasts - Wednesday, August 24, 2016

*** Epidemic Update - 24 August: New reports from NC and MI. CDM has been confirmed in Orange County, NC; and Hillsdale County, MI. Please view the Epidemic History for details. ***

*** Epidemic Update - 22 August: New report from NC. CDM has been confirmed in Henderson County, NC. Please view the Epidemic History for details. ***


Regional Weather: Central & Eastern U.S. / southern Canada

Unsettled weather central U.S. into the Great Lakes; showers possible South; dry East. High pressure will remain situated over teh eastern U.S. while a cold front makes its way into the Great Lakes and central United States. Showers and storms accompany the front; move isolated to scattered activity will occur in parts of the South. Highs mostly 80s and 90s, lows mostly 60s and 70s.



Overview: Epidemic spread likely in the Great Lakes region. The more noteworthy transport events move near-source or to the north or east during midweek, the bulk of which are coming out of the northern sources. Slightly favorable to mixed conditions are forecast for some of the events in the southern Appalachians and Southeast. Eastern TX will see some rainy weather on Thursday. Dry weather persists along much of the East Coast.   

Risk prediction map for Day 1: Wednesday, August 24

HIGH Risk for cucurbits in lower MI, northern IN, northwest OH. Moderate Risk in western southern ON, north-central OH, western NC / extreme northeast TN, eastern MS, AL, and the western FL panhandle. Low Risk for cucurbits in southeast TX, far southern FL, northern FL, the eastern panhandle, and southwest GA. Minimal Risk to cucurbits otherwise.

Risk prediction map for Day 2: Thursday, August 25

HIGH Risk for cucurbits in central and southern MI, northern IN, northern OH, southern ON, northwest PA, western and northern NY, and southeast TX. Moderate Risk for central and eastern PA, central NY, northwest VT, and southern Quebec. Low risk for cucurbits in far eastern NY, western MA, southern and eastern VT, western NH, northeast KY, western AL, eastern MS, far southeast LA, northern FL, and southern FL. Minimal Risk to cucurbits elsewhere.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2016