Surface Contour Plots
Current temperature contour
US Temperature Contour
Contour plot of temperatures (F) for the contiguous US.
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North American Temperature Contour
Contour plot of temperatures (F) for North America.
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24 hour Temperature Change
Contour plot of the temperature change from current hour
to the same hour the previous day for the contiguous US.
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US Wind Chill Contour
Contour plot of wind chill temperatures (F) for the contiguous US.
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US Heat Index Contour
Contour plot of heat index (F) for the contiguous US.
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US Pressure Contour
Contour plot of sea level pressure index (mb) for the contiguous US.
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3 hour Pressure Change
Contour plot of the change in pressure from the current hour to
3 hours previous for the contiguous US. This is a good indicator
of low pressure movement.
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US Dewpoint Contour
Contour plot of the dewpoint temperature (F) for the contiguous
US. The dewpoint temperature indicates the amount of moisture
(or humidity) in the atmosphere.
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US Wind Speed Contour
Contour plot of the wind speed (knt) for the contiguous US.
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US Wind Streamlines
This plot shows wind streamlines over the contiguous US. The
streamlines show the direction of the wind and are color coded
for the wind speed.
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US Moisture Convergence Contour
Contour plot of the moisture convergence for the contiguous US.
This is a good indicator of where upward motion will be initiated.
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