by rappel | Dec 14, 2017 | ATM347
Synopsis: Surface high pressure brings cold air advection in the morning, but warmer, moister air in the afternoon as it shifts eastward Sunday Cold but temperatures warm in the afternoon and clouds increase. High % Chance of Rain Wednesday Night Sunny, warm...
by Michael | Dec 8, 2017 | ATM347
An elongated area of low pressure will approach the area this weekend, guided up the coast by a shortwave trough diving down out of Canada. Our first accumulating snow of the season will thus occur. Warm air might make it into the region during the afternoon tomorrow...
by rappel | Dec 7, 2017 | ATM347
Synopsis: The Q vector indicates subsidence on Sunday as the trough and surface low move east and higher pressure comes in. Air will be dryer and temperatures will warm slightly. Sunday There is a possibility of morning snow but it should clear to partly...
by mjmcdermott | Dec 7, 2017 | ATM347
Synopsis: High pressure continues to build in this evening and Friday, keeping the region dry. Over the next 48 hours, a shortwave trough will amplify the main trough, sending the region into a colder, persistent pattern. Upper levels of the atmosphere remain very...
by jafeldman | Dec 7, 2017 | ATM347
Synopsis: Two split fow longwave troughs will move east over the next 48 hours. The southern stream trough extends from the Midwest to northeastern Textas while the northern stream extends from the Hudson Bay to the Great Lakes. High pressure builds in Thursday and...
by bsardelli | Dec 6, 2017 | ATM347, ATM437
Synopsis: Currently, an upper-level trough stationed over much of Northern US and well into Canada. There are northwesterly winds advecting cold polar air to the region. Over the next 24 hours, the trough will deepen with height fall from cold air advection increasing...
