Severe T-Storm Index:
A slight risk for strong to severe thunderstorms runs from Sunday through Wednesday. Minimal activity is expected and chance of impact on your area is low. From Thursday through next weekend, a slight - moderate risk exists for Pennsylvania. New Jersey, New York, as well as all of Southern New England. Isolated activity is possible with risk of impact low to moderate. Main threats: damaging winds in excess of 60 mph and small hail. Probability of a tornado: nearly 0%. Preparation activity needed is nearly nothing, normal thunderstorms could occur in this time period.
Slightly above average temperatures are expected throughout the course of the weekend with highs topping out from the 70's to the 80's region wide. A medium duration heat wave is anticipated starting Monday of next weekend, and stretching through midweek, ending Wednesday or Thursday, depending on location. Temperatures will range from 80's in the north to 90's in the south. Thursday - Saturday is expected to have dropping temperatures, about 2 degrees per day. Be sure to drink lots of water and remain hydrated when being exposed to high heat.
Low - Medium Activity
Little to no precipitation is expected from today - Sunday. an increased probability of precipitation will occur Monday and last into the mid to late week as instability is widespread through atmosphere. Maximum chance of precipitation in region: 30%. From Thursday - Saturday, a low pressure system will enter the Ohio, Pennsylvania, and Western New York area. Expected precipitation amounts range from a half an inch in the Northeastern tier on Pennsylvania to near an inch in Northwestern Pennsylvania. Maximum probability of rainfall at current point: 50%.
An abnormally dry time period with the lack of precipitation could lead to a lack of plant growth. No drought conditions are expected at this time in any part of the region. A relief is likely to come later next week. Area most at risk of below normal precipitation is in the lakes region on Central New York. Any change in forecast has a minimum chance of occurrence.
No tropical activity is expected to to the unfavorable upper and mid level wind conditions at this point, causing increased levels of shear across common tropical development region. Long range index includes an increased possibility for tropical development in the Caribbean. Probability of tropical entity forming in next 10 - 15 days remains around moderate. Keep informed on all development by keeping track of all National Hurricane Center updates and forecasts.