FORECAST SUMMARY: Thursday, August 14 :
***** Disease Update - 12 August
..... Several new reports of downy
mildew in the past two weeks. These include a serious
outbreak on pumpkin research plots in Painter, VA.... two
discoveries in central NC (cantaloupe and summer squash in a
backyard garden in Wake County; 20% of 3 fields totalling 50 arces of
pumpkin in Montgomery and neighboring Richmond County)... and two
discoveries in the southern Appalachian Mountains (one
1/5-acre field of pumpkin in Johnson County, TN; a very small plot of
summer squash in Henderson County, NC). Recent weather has been
favorable in all of these locations. The disease location at
Charleston, SC is being dropped, as the fields in question were
disked several weeks ago.
***** The Weather...... southern / eastern U.S. ***** A broad area of high pressure is sprawled over the eastern half of the U.S. Partly cloudy skies for most areas Thursday and Friday. Scattered showers and thunderstorms in the afternoons and evenings..... from the Ohio Valley and lower mid-Atlantic southward on Thursday.... and for the eastern Ohio Valley and central and southern Appalachian Mountains on Friday. Scattered showers and thunderstorms today for much of TX.... activity continuing over the southern half of the state on Friday. The most interesting weather feature is the tropical wave moving over southern FL and into the Gulf today. It will bring showers and thunderstorms and heavy rain to southern FL. The system will move westward through the Gulf tonight and Friday. Strengthening to a tropical storm or hurricane is a distinct possibility. If it continues on its expected track, the system will impact the southern TX coast Friday night or Saturday. Saturday through Monday.... a cold front will move across the northern half of the eastern U.S., triggering mainly afternoon/evening showers and thunderstorms. Isolated to scattered showers may occur across the southern half. Rain for southern TX on Saturday, diminishing late. Isolated to scattered afternoon showers/thunderstorms southern half of TX Sunday and Monday.
***** The Forecasts *****
In the Southeast..... HIGH Risk for southern 1/2 of FL today, Moderate Risk Friday. Moderate to Strongly Moderate Risk for southern GA and northern FL the next two days. Mixed conditions for disease development are expected in this region Saturday through Monday.
In the mid-Atlantic.... Moderate Risk for central and eastern NC, northern SC, eastern VA, and southern MD on Thursday. Low Risk with dry weather expected on Friday. Mixed conditions are anticipated for this region Saturday through Monday.
In the southern Appalachian Mountains.... Moderate Risk in this area Thursday and Friday. Mixed conditions will dominate Saturday through Monday.
In the Ohio Valley... mostly unfavorable conditions Thursday and Friday with Weakly Moderate Risk for southeast IL and southern IN. Mixed conditions in this region on Saturday, unfavorable weather Sunday and Monday.
In TX... HIGH Risk for deep south TX Thursday and Friday, with Low Risk elsewhere. Very favorable weather for disease development is expected on Saturday, mostly unfavorable weather Sunday and Monday.
Current Sources:
Previous Sources:
Charleston, SC
This service is provided by the North Carolina State University departments of Plant Pathology and Marine, Earth, and Atmospheric Sciences.