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Introducing the CIRA/NESDIS- Regional and Mesoscale Meteorology Branch Tropical Cyclone Web Page

John A. Knaff, NOAA - NESDIS - Office of Research and Applications, Fort Collins, CO Mark DeMaria, NOAA- NESDIS - Office of Research and Applications, Fort Collins, CO Alison Krautkramer, NOAA - NWS – Tropical Prediction Center, Miami, FL Buck Sampson, USN - Naval Research Laboratory, Monterey, CA Gustavo Goni, NOAA - AOML – Physical Oceanography Division, Miami, FL

CIRA and the NESDIS Regional and Mesoscale Meteorology Branch (RAMMB) in Fort Collins, CO developed several operational and experimental tropical cyclone products and techniques over the last 15 years. These include time series of AMSU-based intensity, AMSU-based temperature and wind structure, a satellite-only surface wind analysis, time series of Digital Dvorak intensity estimates, storm-centered Low-earth orbit 1-km visible and Infrared (IR) imagery, Tropical Cyclone Heat Potential (TCHP; an estimate of Ocean Heat Content) and loops of 4-km IR imagery from the local archive. Because several of these products and techniques are useful to the real-time forecast community and unavailable elsewhere, a web site integrated with a database was created. The primary purposes of this web site are 1) to disseminate in a real-time manner tropical cyclone products, for all active tropical cyclones (Tropical Depression and greater) in the Automated Tropical Cyclone Forecast System, 2) provide these same analyses for post analyses of individual storms and 3) to provide access to new experimental products to obtain user feedback for possible operational transition efforts. While there is some overlap with other tropical cyclone web pages, efforts have been made to emphasize unique products not displayed elsewhere. To serve these data to the public the web page is also integrated to a dynamic database that can accommodate future product development. This feature will allow new products (such as time series of forecast parameters from the SHIPS and STIPS intensity forecast models) to easily be added to both the web site and database and new products and techniques are developed. The web page and the database will be described. The location of the web page is http://rammb.cira.colostate.edu/products/tc_realtime/.

The views, opinions, and findings in this report are those of the authors and should not be construed as an official NOAA and or U.S. Government position, policy, or decision.

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