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Category: SAR

SAR data over Hawai’i

This NOAA/OSPO website shows regions where SAR data are available each day. SAR data can also be imported into AWIPS, as shown in the animation above, which animation has the SAR data overlain on top of GOES-17 Band 7 (Shortwave IR, 3.9 µm) data. Note that SAR winds are not valid... Read More

Ice on Lake Superior

Ice coverage on Lake Superior has reached a seasonal peak. The image above shows VIIRS true-color imagery from Suomi-NPP (taken from the VIIRS Today website). Mostly clear skies over most of Superior on 14 March allowed for better estimates of ice cover on that day from VIIRS (more clouds were present on... Read More

Satellite detection of ice

A colder-than-normal February over the western Great Lakes (through the 27th, Duluth is 10o F below normal; Marquette is 5o F below normal; Green Day is 2o F below normal; Cleveland is 1o F below normal) has fostered a growth in ice cover over the Lakes (This figure, from here, for... Read More