Kamis, 21 Juli 2011

July 22nd, 2011 Forecast

Tonight: Mostly clear skies. Haze will lead to some patchy fog forming late tonight due to all the moisture in the atmosphere from high dew points in the mid-70s. It will be a very warm and muggy night with lows not likely dropping below 80 degrees in Philadelphia. Winds will be out of the southwest at 5 to 10 mph. The sunset tonight is at 8:25 PM.

Friday: Hazy sun, blazing hot, and humid. The high will approach 100 degrees in Philadelphia with heat index values between 105 and 112. The record high is 100 degrees, set back in 1957, so this record will likely be tied if not broken. There is a 20 percent chance of an isolated thunderstorm in the evening, but most of us will not see this. Winds will be out of the west at 5 to 15 mph, which is ideal for 100 degree weather in our area due to the downslope wind off of the Appalachian Mountains.

Saturday: Hazy sun, very hot, and humid. The high will be near 98 degrees with a heat index between 104 and 110. There is a 20 percent chance of a late-day or evening thunderstorm, but once again most of us will not see this. The record high of 99 degrees, set back in 1991, should be safe.

Sunday: Hazy sun, hot, and humid. The high will be around 94 degrees with a heat index close to 100. There is a 30 percent chance of a pop-up afternoon thunderstorm. The record high of 97 degrees, set just last year in 2010, will be safe.

Friday Planner

7 AM 82 degrees, Hazy Sun

Noon 96 degrees, Humid

5 PM High around 100 degrees, Feels Like 105 to 112

Sunrise 5:51 AM
Sunset 8:24 PM

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