Article: Contrasting air masses can trigger big spring storms

Article: Winds, Rain Pound D.C. Area; Clash of Cold, Warm Air ...
The Washington Post;  November 9, 1996 ;     700+ words ... ... County, resulted from the clash of two sharply contrasting air masses. One was the unusually warm blanket of air that ... greater the disparity in temperature between two air masses, the more extreme the wind and rain when the two ...

Article: Rare storm mixes snow with thunder; Contrasting air ...
Telegraph - Herald (Dubuque);  February 17, 2006 ;     549 words ...Thunder, lightning, sleet and snow - tri-state area residents witnessed it all as the first significant snowstorm of 2006 struck. Thursday afternoon snowfall totals ranged from 6 inches in Manchester, Iowa, and Kieler, Wis., to a trace in Maquoketa, Iowa. Dubuque received 6 inches of snow as of 3

Article: Air Masses and Fronts
World of Earth Science;      700+ words ...Air masses and fronts An air mass is an extensive ... content over a significant altitude. Air masses typically cover areas of a few hundred ... A front is the boundary at which two air masses of different temperature and moisture ...

Article: ARCTIC AIR MASSES BORN IN CANADA AND ALASKA MIGRATE ...
The Milwaukee Journal Sentinel;  December 3, 1996 ;     434 words ... ... weather continues across Wisconsin, arctic air masses will be getting stronger in their source ... cold air is very dense, these arctic air masses tend to slide down to the northern part ... the northwest or north, these frigid air masses race toward Wisconsin. Because massive ...

Article: Wisconsin is where air masses fight it out
The Milwaukee Journal Sentinel;  October 4, 1998 ;     409 words ... ... Midwest weather can be a battleground of air masses. Studies have shown that without the ... Northern Hemisphere, we see changes in air masses more so than elsewhere. Besides temperature ... bring us rain and snow often form where air masses meet. Surface low pressure systems can ...

Article: Cold air masses often accompanied by windy ...
The Milwaukee Journal Sentinel;  October 21, 1997 ;     433 words ... ... creates near the earth's surface. As cold air masses spread into Wisconsin from the northwest ... snowstorms are often followed by bitter cold air masses. If we go to northern Canada where our cold air masses form, it is common to see high pressure ...

Article: CLASHING AIR MASSES CAUSED ICE.(Local)
The Post-Standard (Syracuse, NY);  April 7, 2003 ;     700+ words ... ... Central New York over the weekend was the result of an unfortunate clash between warm and cold air masses, meteorologists said. When the two air masses collided Friday over a 13-county region of Upstate New York, freezing rain turned to ice ...