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CUCURBIT DOWNY MILDEW ipmPIPE

 

Cucurbit Downy Mildew Forecasts - Wednesday, June 28, 2017
 

*** Epidemic Update - 28 June: First reports from Ontario and KY. CDM has been confirmed in Essex County, ON; and Allen County, KY. Please view the Epidemic History for details. ***

*** Epidemic Update - 26 June: New report from NC. CDM has been confirmed in Johnston County, NC. Please view the Epidemic History for details. ***

 

Regional Weather: Eastern North America

Mostly dry; becoming unsettled North and South. High pressure moving off the mid-Atlantic coast is the dominant weather feature. Most areas will be dry. Moist return flow on the back side of the High will help generate some showers in the South today, increasing in scope on Thursday. Scattered showers are also forecast across the northern areas as a frontal system moves from west to east through midweek. Highs from the 70s to 90s, lows from the 50s to 70s, with a warming trend.

 

OUTLOOK:

Overview: Epidemic spread likely in the South, and north of Lake Erie. The drier weather of earlier this week will give way to increasingly more favorable conditions for epidemic spread through midweek and the weekend. Transport events from most sources curve southwest to west on Wednesday, and to the north or northeast on Thursday. The most favorable conditions will be found during the events coming out of FL / GA / AL.

Risk prediction map for Day 1: Wednesday, June 28

HIGH Risk for cucurbits in FL, southern GA, southern AL, and southeast MS. Moderate Risk in deep south and east-central TX. Minimal Risk to cucurbits elsewhere.

Risk prediction map for Day 2: Thursday, June 29

HIGH Risk for cucurbits in FL, southern and central GA, far southern SC, eastern AL, western AL, eastern MS, and southern ON. Low Risk for cucurbits in deep south and east-central TX, SC, northern GA, northeast AL, east-central and eastern TN, and south-central KY. Minimal Risk to cucurbits elsewhere.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2017