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Category: SAR

ASCAT winds versus SAR winds

From an email came this question: RADARSAT vs ASCAT winds, what are the differences between the two methods?This comparison is not easy to make directly, as the orbits of Metop-B and Metop-C, the two satellites that carry the ASCAT instrument (now that Metop-A, which satellite also carried ASCAT, has been decomissioned), don’t... Read More

Wind and waves over Lake Superior

A vigorous extra-tropical cyclone moving towards the western Great Lakes on 11 November 2021 generated significant winds and waves over Lake Superior. RADARSAT winds, above, from RCM1, (available at this website) show a large area of southeasterly winds between 30 and 40 knots at 1159 UTC on 11 November. Regions of... Read More

Severe weather over northeast Illinois

Severe thunderstorms developed over northeast Illinois late in the afternoon on 9 August, and a series of tornadoes resulted. Storm Reports (from the Storm Prediction Center) are shown below. The mp4 animation above (click here for a large animated gif) shows 1-minute GOES-16 Mesoscale Sector 2 visible imagery (0.64 µm) from... Read More