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Air Science Consultants

Monday, January 21, 2013

Bitter Temperatures Moving into Upper St. Clair

There is also a chance of snow Monday and Tuesday.

You better bundle up this week as bitterly cold temperatures are expected to move into Peters Township. Dennis Sims, a meteorologist at Air Science Consultants in Bridgeville, told Chartiers Valley Patch last week that he expected the bitter temperatures to arrive in the South Hills on Tuesday. Sims said the middle of the week would have lows in single digits and highs in the teens. That forecast was backed up by the National Weather Service in Pittsburgh. Meteorologists there are also forecasting 1 to 3 inches of snow on Monday with a slight chance of snow Tuesday. Look below to see a more detailed forecast… Monday: Snow. High near 24. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible. Low around 7. Wind …

Peggie P. Richardson

10:05 am on Monday, January 21, 2013

A cold snap will help kill off some flu germs, and as long as it is not too long that's ok.   more ›

Tuesday, January 15, 2013

Small Snowstorm Headed for Upper St. Clair

Meteorologists are tracking a small snowstorm coming into western Pennsylvania that will bring about an inch of snow to the Upper St. Clair area by Wednesday morning.

Meteorologists are tracking a small snowstorm coming into western Pennsylvania that will bring about an inch of snow to the Upper St. Clair area by Wednesday morning. Dennis Sims, a meteorologist at Air Science Consultants in Bridgeville, expects a “wet snow” to move into the South Hills around 10 p.m. Tuesday before it changes over to sleet overnight. “It will for some slippery travel later tonight,” Sims said. Temperatures are expected to hover around 30 degrees overnight before the sleet changes over to rain Wednesday morning. Sims said they expect about an inch of accumulations, which could bring some slippery spots during the morning commute, but “no major problems.” The higher elevations of the Laurel Highlands in Fayette and …

Monday, November 26, 2012

Snow Expected in Upper St. Clair During Tuesday Morning Commute

A small snowstorm moving into the Pittsburgh area overnight could cause problems with the Tuesday morning rush hour commute.

A small snowstorm moving into the Pittsburgh area overnight could cause problems with the Tuesday morning rush hour commute. Western Pennsylvania is expected to receive between a half-inch to just under an inch of snow by the time most people are waking up to head to work. Upper St. Clair Public Works employees spent Monday applying an anti-icing treatment to the township's main roadways. Dennis Sims, a meteorologist at Air Science Consultants in Bridgeville, said light snow is expected to move into the area around 2 a.m. Tuesday and won’t end until just after the morning rush hour. “It should be just enough to make roads and bridge decks slippery,” Sims said of the Tuesday morning commute. “Just enough to be a pain in the butt.” He is …

Friday, May 25, 2012

Hot Weather Predicted for Memorial Day Weekend

Temperatures will reach the high 80s and possibly the low 90s in the Pittsburgh region during the three-day Memorial Day holiday weekend.

The forecast for the upcoming Memorial Day weekend can be summed up with three words: Hot, hot, hot! Temperatures will reach the high 80s and possibly the low 90s in Upper St. Clair during the three-day holiday weekend. Dennis Sims, a meteorologist with Bridgeville-based Air Science Consultants, said that warm weather could trigger a few afternoon or evening thunderstorms, although he expected most storms to stay north of Interstate 80 near Erie. He said lots of sunshine and a high-pressure system that will be sitting over the region through Monday brings the “ever-present threat” of showers. “But most of the time, it will be on the dry side and hot,” Sims said. He expected the highs Friday through Monday to hover between 88 and 90 degrees…

Thursday, March 8, 2012

Area Enjoying Mild Winter

Snowfall totals are about average in Pittsburgh, but warmer temperatures are a pleasant surprise.

March is rolling in like a lamb with unseasonably warm weather encompassing the area this week. Although the Pittsburgh area has received normal amounts of snowfall this winter, the white stuff isn’t sticking around very long. That’s because the average temperatures are much higher than usual, and they don’t appear to be changing any time soon. “I think the big thing is that temperatures have been well above the normal,” said Dennis Sims, a meteorologist at Air Science Consultants in Bridgeville. “Any snow that has fallen has melted very fast.  Look at Sunday and how it kept snowing and melting.” The year’s snowfall measured at the airport is about 37 inches—Bridgeville is averaging only 26 inches—and that compares closely to previous …

Wednesday, December 7, 2011

Rain Turns to Snow, No Accumulation

An inch or two could accumulate on grassy areas during the evening rush hour.

That biting rain falling this morning will likely turn into snow later this afternoon, and the amount of accumulation likely will depend on which side of the city you’re located. Dan Krzywiecki, the chief meteorologist for Air Science Consultants in Bridgeville, said the rain will gradually change over into a snowy mix before turning to all snow around rush hour. However, with warmer than usual temperatures this week, he expected the only accumulation to be in grassy areas. “The ground temps are well above freezing, but as the air temperatures cool and approach freezing—that will be some time later this evening—there could be some slippery spots,” he said. “Plus any water on the roads after the event could turn to ice.” He expected …

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Becky Brindle

4:34 pm on Wednesday, December 7, 2011

As of 4:30 p.m., a rain/snow mix is still coming down in Upper St. Clair. No snow accumulation and wet roads. Giant Eagle Market District was pretty packed. Not sure if it was because of the snow or time of day.   more ›

Monday, July 18, 2011

No Relief Expected From Sweltering Heat

Temperatures are expected to hover around the 90s for the rest of the month.

Keep cranking up the air conditioning because relief from this sweltering summer heat won’t be coming any time soon. Dan Krzywiecki, chief meteorologist at Air Science Consultants in Bridgeville, said temperatures are expected to hover around 90 degrees for the rest of July. “It’s the dog days of summer,” Krzywiecki said. “The jet stream has retreated far enough north that it’s displaced by the ‘Big Bermuda’ high pressure system known for its hot and dry air.” That has led to temperatures about 5 to 10 degrees above normal. But he said the region isn’t experiencing a heat wave. Krzywiecki said this area endures a heat wave only where there are five-consecutive days with temperatures in the 90s. There have been just six days all year with …

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