You are here

-A A +A

CUCURBIT DOWNY MILDEW ipmPIPE

 

Cucurbit Downy Mildew Forecasts - Wednesday, September 19, 2018

 

*** Epidemic Update - 19 September: First report from IA. New reports from AL and SC. CDM has been confirmed in Johnson County, IA; Houston County, AL; and Beaufort County, SC. Please view the Epidemic History for details. ***

*** Epidemic Update - 16 September: New report from PA. CDM has been confirmed in York County, PA. Please view the Epidemic History for details. ***

 

Regional Weather: Eastern United States / southern Canada

A drier period overall; scattered showers North and Gulf Coast. A couple of fronts are in the picture. One lies near the Gulf Coast, the other in the north-central / North. High pressure is in place otherwise. Largely dry weather prevails. Showers in the Great Lakes Wednesday expand toward the Northeast Thursday; daily showers fall near the Gulf Coast. A few showers are possible near the Appalachians. Warm with highs in the 80s and 90s, lows in the 60s and 70s.

 

OUTLOOK:

Overview: Epidemic spread possible in some areas but less likely than recently. A relaxation of the recent very wet weather yields at least two days of more benign conditions for epidemic spread. Low levels of risk are present for sections of the North, Gulf Coast, and the Appalachians on one day or another.

Risk prediction map for Day 1: Wednesday, September 19

Moderate Risk to cucurbits in southern GA, the FL panhandle, and most of southern AL. Low Risk near the LA source, far southern MS and nearby LA and AL, most of the southern and central Appalachians northwestward across northern WV / southwest PA into eastern and central OH, lower MI, far northern IN, northeast IL, southern 1/2 of WI, and eastern IA. Minimal Risk to cucurbits elsewhere.

Risk prediction map for Day 2: Thursday, September 20

Moderate Risk to cucurbits in southeast AL / southwest GA, and the FL eastern panhandle. Low Risk to cucurbits in southern AL, the western panhandle, southern GA, western MA, NH, VT, far southern QE, NY except the southeast , northern PA, southern ON, northern OH and IN, lower MI, southern WI, and eastern IA. Minimal Risk to cucurbits otherwise.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2018