Surface Observations for North America

Location	Previous Hours
Continental U.S.	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
New England	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Mid Atlantic	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Southeast	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Midwest	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Southern Plains	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Northwest	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Southwest	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Western Canada	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Eastern Canada	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Northern Canada	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Mexico	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Alaska	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12
Caribbean	-1	-2	-3	-4	-5	-6	-7	-8	-9	-10	-11	-12

Additional Sources of Surface Observations

Surface Contour Plots

Moisture Divergence (United States o r Canada)
3-Hourly Pressure Falls (United States or Canada)
Temperature and Sea-Level Pressure (Unite d States or Canada)
Theta-E and Streamlines (United States or Canada)
Weather and Dewpoints (United States or Canada)
Theta-E and Theta-E Plus Mixing Ratio
MSLP and 1000-500 mb Thickness
Lifted and K-Index
Precipitable Water

Daily Data Plots

Thanks to the University of Wisconsin-Madison, SUNY-Albany, The College of Dupage, The National Weather Service, and Unisys for the Surface Maps