National Weather Service United States Department of Commerce

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Routine early AM synoptic KXMR rawinsonde

Routine early AM synoptic Skew-T Log P diagram for KXMR (Cape Canaveral, Florida) weather balloon.  Mission support rawinsondes released from KXMR may be found with the link or drop down menu.

Y-axis is pressure in millibars.  Wind barbs are located to the right hand side of the diagram with speed in knots. Solid red line is temperature in Celcius. Dashed green line is dew point in Celcius.