Winchester area received some precipitation last night; however, the length of the rain event was short (30-40 min), the average temperature was low (48-49F), and relative humidity did not stay high due to wind. Thus, it was not considered as an infection event. What I observed from the radar was that there are several parcels of rain cloud went through our area, and some of you might have received rain for a longer time period. Please check your local weather station for more detailed record.
Winchester area received precipitations from thunderstorms yesterday. It started around 3:30PM and lasted until 7:00PM. The actual amount of precipitation was not high (0.05 in) compared with other northern VA regions where a severe thunderstorm warning was issued, but since the ending part of the thunderstorm hit during the evening, the relative humidity was high (>90%) until 2 AM or so. Thus, it accounted for 11.5 hours of wetness with the average temperature of 73F. It was warm and long enough for Phomopsis, black rot, and downy mildew. We are still having chances of rain (40-60%) until Monday.
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