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Marine Thunderstorm Wind · Atlantic South
Marine Thunderstorm Wind July 17, 2010 · Coastal Waters of Southern Puerto Rico Out 10 Nm, Atlantic South
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
LPRP4 Mesonet station southeast of Ponce near the Caja de Muertos island recorded a wind gust of 40 mph from the east southeast as a squall line moved west northwest.
The wider storm
During the early afternoon of Saturday July 17, a squall line moved rapidly west northwest across the southern Puerto Rico waters. The NOS-NWLON sensor at the Penuelas-Guayanilla Bay reported a wind gust to 53 mph at 12:17 pm as the squall line moved through. The Cabo Rojo National Wildlife Refuge RAWS sensor recorded at wind gust to 48 mph at 1:14 pm. Data from the Puerto Rico Electric Power Company (PREPA) wind sensor at El Mani site near the Mayaguez airport, indicated wind gusts of around 33 mph at 1230 pm, 36 mph at 1245 pm, and 30 mph at 1:00 pm. The PREPA net highest wind gust was recorded at La Parguera sensor in Lajas where a 46 mph gust was recorded around 12 noon. Other locations in Puerto Rico recorded wind gusts that varied from 35-45 mph.
Began near Ponce Nautical Club (17.9000, -66.5000).
Source: NOAA Storm Events Database, event 252819. Narratives are written by the National Weather Service forecast office that issued the report.
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