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Cucurbit Downy Mildew Forecasts - Friday, November 1, 2019


*** Epidemic Update - 1 November: First report from LA. CDM has been confirmed in East Feliciana Parish, LA. Please view the Epidemic History for details. ***

*** Forecast Notes - 1 November: Today's forecasts conclude the forecasting for the 2019 disease season. ***


Regional Weather: Southern U.S.

Drier and much cooler. The warm, humid conditions of earlier this week give way to much colder and drier weather in the wake of the cold front. Scattered showers occur in central and southern FL while the tail end of the cold front lingers over the peninsula. Frost and freeze watches and warnings are prevalent for the mainland. Highs in the 50s and 60s mainland to 70s and 80s FL. Lows in the 30s and 40s in the interior and 50s to 70s on the peninsula.


Overview: Epidemic spread unlikely. Conditions are wholly unfavorable for survivable transport and deposition, with the exception of the events from central or southern FL. Some short-range epidemic spread is possible there. 

Risk prediction map for Day 1: Friday, November 1

Moderate Risk in southern FL. Minimal Risk to cucurbits otherwise.

Risk prediction map for Day 2: Saturday, October 2

Moderate Risk for southern FL. Low Risk to cucurbits in central FL. Minimal Risk to cucurbits elsewhere.

Risk prediction map for Day 3: Sunday, October 3

Moderate Risk for southern FL. Minimal Risk to cucurbits elsewhere.

Forecaster: TK at NCSU for the Cucurbit ipmPIPE - 2019