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Hurricane Frances as Observed by NASA Spaceborne Atmospheric Infrared Sounder AIRS - Total Water Vapor Time Series

NASA/JPL2004-08-30

NASA

NASA
Washington, DC, United States

Born in the Atlantic, Hurricane Frances became a category 4 hurricane on August 31, 2004, as seen by the Atmospheric Infrared Sounding System AIRS on NASA Aqua. Expectations are the hurricane will hit the Space Coast of Florida in Brevard County early Sunday morning.

This frame from a movie is a time-series of maps that show AIRS observations of the total amount of water vapor present in the atmospheric column above each point of the Earth's surface. If all the water vapor in the column were forced to fall as rain, the depth of the resulting puddle on the surface at that point is equal to the value shown on the map. Fifty millimeters (mm) is about 2 inches. The large band of maximum water vapor in the neighborhood of the equator is the Intertropical Convergence Zone (ITCZ), a region of strong convection and powerful thunderstorms.

The movie (see PIA00433) shows the total precipitable water vapor from August 23 through September 2, 2004. You can see Hurricane Frances as it moves through the Caribbean toward Florida, and the changes in intensity are visible. The eye has been marked with a red spot. The water vapor encompassed by the hurricane is also the result of the very strong convection which is an integral part of the formation and intensification of tropical storms. If you look at the last frame of the movie in the lower right corner, you can see the emergence of a new tropical storm. Ivan makes its debut in the Atlantic.

http://photojournal.jpl.nasa.gov/catalog/PIA00433

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  • Title: Hurricane Frances as Observed by NASA Spaceborne Atmospheric Infrared Sounder AIRS - Total Water Vapor Time Series
  • Creator: NASA/JPL
  • Date Created: 2004-08-30
  • Rights: JPL
NASA

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