Clash Of Air Masses


A frontal boundary stretching from northern New England through the Great Lakes and south to the western Gulf coast, separates bitter winter cold from spring-like warmth. Temperatures Tuesday afternoon were hovering in the single digits and teens over the upper midwest, while soaring to near 80 along the Gulf coast.

Temperatures at 3pm CST, Tuesday:
New Orleans, LA: 76
Houma, LA: 79
Minneapolis, MN: 19
Warroad, MN: 5

The clash of air masses, combined with a strong jet stream overhead, has touched off severe thunderstorms and reports of tornadoes. One tornado reportedly touched down near Alexandria Louisiana and another near Humphreys, Mississippi. The cold air will be held to the west of Maryland through Wednesday, then surge east through the state Thursday night as low pressure passes through the region. The low will bring a chilly rain to Maryland on Thursday, but It is too early to tell whether the cold will catch up to the rain to create a rain/snow mix before it ends early Friday.

Tom Tasselmyer

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