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Cucurbit Downy Mildew Forecasts - Wednesday, May 30, 2018


*** Epidemic Update - 30 May: First report from NC. CDM has been confirmed in Sampson County, NC. Please view the Epidemic History for details. ***

*** Epidemic Update - 25 May: First report from GA. CDM has been confirmed in Brooks County, GA. Please view the Epidemic History for details. ***


Regional Weather: Southeast U.S.

Very wet weather this week. Alberto is weakening as it moves through the Ohio Valley and into the Great Lakes during midweek. High pressure sits off the U.S. East Coast and moisture inflow remains strong. Clouds and showers are good bets. Highs in the 80s, lows in the upper 60s and 70s.



Overview: Epidemic spread likely. Favorable conditions persist through midweek. The discovery of the source in eastern NC produces a threat to the mid-Atlantic growing region.

Risk prediction map for Day 1: Wednesday, May 30

Transport events track to the north. HIGH Risk in most of central and northern FL, the eastern panhandle, southwest and central GA, central NC, and the southern counties of central VA. Moderate Risk for cucurbits in northeast GA, western SC, and southwest NC. Low Risk in central VA and central MD. Minimal Risk to cucurbits otherwise.

Risk prediction map for Day 2: Thursday, May 31

Events move ENE and northeast. HIGH Risk to cucurbits in central and northern FL, much of eastern NC, and southeast VA. Low Risk in southern SC, eastern MD, DE, and extreme southern NJ. Minimal Risk to cucurbits elsewhere.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2018