
A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >
Spaceflight Meteorology Group
National Center
Y-axis is pressure in millibars. Wind barbs are located to the left hand side of the diagram with speed in knots. Temperature is solid red line in Celcius. Dashed green line is dew point in Celcius.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Spaceflight Meteorology Group
Johnson Space Center / WS8
Houston, TX 77058
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