Wednesday, April 23, 2008

April 24th, 2008 Forecast

Now: Temperatures range from around 70 at the Shore to the mid and upper 70's across the Delaware Valley. Southwest winds are blowing at 10-15 mph and helping us continue our stretch of impressive April warmth, a stretch of weather that now looks to continue into the weekend.

Tonight: Showers and Storms will move across Northern and Central PA and will move east, generally staying north of I-78. An isolated shower or storm is possible across the northern suburbs but much of us should stay dry overnight. Lows will range from 50-56, coolest across the Lehigh Valley. Fog is possible late along the bays to our south and at the Shore.

Thursday: The weak cold front that is triggering those showers and storms will move through the region and shift the winds from southwest to northwest. With a ridge of high pressure in the middle atmosphere this wind shift will mean little and temperatures will warm up a couple of more degrees from yesterday and dewpoints will lower as dry air moves back into the region. Temperatures could flirt close to 80 by the end of the day across much of the region.

The warm weather will continue on Friday and Saturday in advance of a cold front that will graze through the region on Saturday night. Two waves of precipitation will impact the region in the upcoming seven days, the first being with the cold front on Saturday and the second with a stronger upper level disturbance that will interact with the frontal boundary as it moves off the coast. This will take place on Monday, leading to temperatures cooling into the 60's (perhaps 50's for much of us) on Tuesday and Wednesday.

Man-Made Weather Madness: China has spent $100 million on weather modification projects, employing 30,000 individuals in the attempt of trying to prevent rain from falling on Beijing during the Olympics in August.