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Figure: (Top panel) Rain-Rate predicted by eTRaP and observed by MRMS. (Bottom panel) Scatter plot and estimation metrics for Tropical Storm Fiona between September 18, 2022 12 UTC to September 19, 2022 12 UTC.

NPreciSe Evaluation of eTRaP during Tropical Storm Fiona

Tropical Storm Fiona struck Puerto Rico on September 17-18, 2022 causing catastrophic floods and leaving most of the island with a major power outage. Fiona is the first Atlantic storm this season to cause a major disaster. NPreciSe (NOAA Satellite Precipitation Validation System) led by the CISESS science team (Malar Arulraj, Veljko Petkovic, Ralph Ferraro, and Huan Meng), evaluated the performance of the Ensemble Tropical Rainfall Potential (eTRaP) forecasts during this event, using a recently added Multi-Radar/Multi-Sensor (MRMS) observation product over Caribbean Islands.

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A GIF depicting a swirling cyclone from a satellite view

Rudlosky Captures Hurricane Laura Using AMSR2

The Advanced Microwave Scanning Radiometer 2 (AMSR2) onboard the GCOM-W1 satellite captured Hurricane Laura, the deadly Category 4 hurricane that hit Louisiana in late August. AMSR2 is a remote sensing instrument used to measure weak microwave emission from Earth’s surface and atmosphere. SCSB- and CISESS-led products captured Hurricane Laura at various stages of development. Visiting Assistant Research Scientist Scott Rudlosky shared several images to his Twitter feed, which show considerable lightning around the eye wall during Laura’s intensification.

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