FORECAST SUMMARY: Friday, August 3:
*** Forecast are abbreviated today. A weather synopsis / disease development summary follows. Trajectories from the various source areas are given below.
Eastern U. S. Weather...... A cold front that now lies stretches from the Ohio Valley into the northeast U.S. will move slowly south and east during the weekend. Active weather will spread along the front on Friday. Mostly afternoon and evening showers and thunderstorms are expected near the front Saturday and Sunday. The drier region this weekend will be in the southern mid-Atlantic area, where only isolated showers are expected. Tropical Storm Barry will bring copious rains to the Gulf Coast states. Temperatures will run in the 80's and 90's for highs, 60's and 70' s for lows.
*** Unsettled weather will affect many areas this weekend. *** There is HIGH RISK for the growing areas in the Ohio Valley on Friday. A large area of showers and storms is moving through the region. The Risk drops to Moderate for southern and eastern sections of the region Saturday and Sunday (most of TN, eastern KY, western WV, southeast OH), with Low Risk elsewhere in the region. Disease-favorable weather will affect the southern Appalachian Mountains most of the weekend. There is Strongly Moderate Risk Friday and Saturday for that region, Moderate Risk on Sunday. In the upper mid-Atlantic and Northeast.... the proximity of the front brings unsettled weather. Strongly Moderate Risk Friday and Saturday for the growing areas of PA and southern New England. Low Risk on Sunday. The Maryland growing areas will be at Low Risk Friday (too far ahead of the front), Strongly Moderate Risk on Saturday, Moderate Risk on Sunday. In the central and eastern Carolinas and southern VA, conditions will be mostly unfavorable for disease development this weekend. Some isolated showers are possible on Saturday. Low to Weakly Moderate Risk for this region Friday through Sunday.
*** We strongly encourage growers to monitor their plants for signs of disease. Diligent scouting and prompt reporting of blue mold are essential if one wishes to derive maximum benefit from the services we provide. ***
TK
HIGH RISK areas: Strongly Moderate to HIGH RISK this weekend for the Ohio Valley, southern Appalachian Mountains, upper mid-Atlantic states, and southern New England.
Blue Mold Active in the Plant Bed and Greenhouse (click on small image for larger image)
What should one look for?
(Red = New, 1 to 7 days; Blue = Active, > 7 days; Green = Old)
Current Sources:
Previous Sources:
Papantla, Veracruz, Mexico
Tepic, Nayarit, Mexico
Uvalde, Texas
D'Hanis, Texas
Corpus Christi, Texas
Pinar del Rio, Cuba
***** NOTE: These forecasts/outlooks only apply to disease development from airborne transport of spores!!! We do not have the capability to ascertain blue mold development by other means, such as transplanting of infected seedlings, nor will we attempt to do so. Please consult the Extension Service personnel in your area if you have concerns about these matters! *****
This service is provided by the North Carolina State University departments of Plant Pathology and Marine, Earth, and Atmospheric Sciences.