July 26, 2011 Brief Update

Notes:

– The 5-Day Forecast page was not updated, but the forecast has not changed since yesterday and is still valid.

– The Tropics page is still updated daily, twice a day, unless there is an active tropical cyclone approaching the US, when updates will be posted more frequently. The current activity graphic on the right side of the blog is updated twice a day as well. Tonight’s update now has a 60% risk of development for Invest 90L, which will move into the Gulf of Mexico tomorrow.

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Weather Summary:

– With a slightly cooler air mass moving in, tomorrow will slightly cool down, with most of the area in the mid to upper 80s for highs. Thursday will warm up with temperatures in the mid 80s to lower 90s across the area, with the warmest temperatures in the immediate NYC area where widespread lower 90s are expected.

– Friday will be hotter, with temperatures in the lower to mid 90s from NYC and further west and mid 80s to lower 90s east of NYC. Along with dew points in the lower 70s, the heat index values will likely reach 100 degrees, and a heat advisory will likely be issued tomorrow morning for Friday. Regarding the storm potential, the latest models are showing almost no precipitation on Friday, but with the given set up, I kept a risk of potentially strong storms in the forecast for Friday.

– Friday will start a heat wave which will last through early-mid next week. Temperatures through the weekend will stay in the upper 80s to mid 90s from NYC and further west, and the mid to upper 80s east of NYC. Temperatures are likely to slightly warm up around early next week ahead of a potential cold front by early-mid next week.

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