Category Archives: Heavy Rain and Flooding Issues

An Atmospheric River impacts the PNW

Posted on December 8, 2023 by Jorel Torres

Another atmospheric river event impacted the Pacific Northwest (PNW), earlier this week. Plumes of moisture moved into the region that led to heavy precipitation and flooding for the states of Washington, Oregon, and Idaho. 24-hour precipitation totals from Monday, 4 … Continue reading →

Posted in AWIPS, Data Access, Heavy Rain and Flooding Issues, Hydrology, POES, Satellites | Leave a comment

The VIIRS Flood Map Product

Posted on July 12, 2023 by Jorel Torres

Need a new satellite product to observe flooding? Look no further than the VIIRS Flood Map product. The VIIRS Flood Map calculates the flood extent of a 375-m pixel (i.e., known as the floodwater fraction percentage from 0 to 100%, … Continue reading →

Posted in AWIPS, Data Access, Heavy Rain and Flooding Issues, POES, Satellites, VIIRS | Leave a comment

Atmospheric River event of 7-10 January, 2023

Posted on January 13, 2023 by dbikos

By Sheldon Kusselson and Dan Bikos Advected Layer Precipitable Water (ALPW) Loop

Posted in Heavy Rain and Flooding Issues, Hydrology | Leave a comment

CIRA ALPW depiction of Atmospheric River of 4-5 November 2022

Posted on November 9, 2022 by dbikos

By Sheldon Kusselson and Dan Bikos Advected Layer Precipitable Water (ALPW) loop Observed 1-Day Precipitation valid 1200 UTC 5 November 2022 over the Pacific Northwest region:

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Extra-tropical transition of Tropical Cyclone Fiona

Posted on September 27, 2022 by dbikos

By Dan Bikos and Sheldon Kusselson Hurricane Fiona underwent a transition from a tropical cyclone to an extra-tropical cyclone on 23-24 September 2022.  The resulting extra-tropical cyclone was very intense and led to significant storm surge, wind damage and heavy … Continue reading →

Posted in Cyclogenesis, GOES R, Heavy Rain and Flooding Issues, Hydrology, POES, Satellites, Tropical Cyclones | Leave a comment