Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >
Spaceflight Meteorology Group
National Center
Y-axis is pressure in millibars. To the right of the Y-axis is labelling for the height above mean sea level in feet (upper) and meters (lower) at the standard pressure levels. Wind staffs are located to the left hand side of the diagram with speed in knots.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Spaceflight Meteorology Group
Johnson Space Center / WS8
Houston, TX 77058
Comments? Questions? Please Contact Us.