cimss.ssec.wisc.edu

Fall Arrives in the Upper Midwest

It’s time to grab an apple cider donut and a pumpkin spice latte if you’re in the upper Midwest, because fall has arrived in ...
cimss.ssec.wisc.edu

Fall Equinox 2026: There GOES Summer!

Today is the Fall Equinox in the northern hemisphere and a great opportunity to show off some full disk GOES images. The ...
cimss.ssec.wisc.edu

30-second imagery of rapidly intensifying Hurricane Polo — which eventually reached Category 5 intensity

Overlapping 1-minute Mesoscale Domain Sectors provided 30-second GOES-19 (GOES-West) Infrared Window images of Hurricane Polo ...
cimss.ssec.wisc.edu

Interesting (Lack of) Cloud Formation on the California Coast

The GOES-18 (GOES West) Advanced Baseline Imager showed something interesting off of California’s Cape Mendocino on the morning of Saturday, 19 September 2026. This cape is the westernmost point in ...
cimss.ssec.wisc.edu

CIMSS NOAA Weekly Report

UW-Madison research scientists from the Space Science and Engineering Center (SSEC)/Cooperative Institute for Meteorological Satellite Studies (CIMSS) participated in the 2026 EUMETSAT Meteorological ...
cimss.ssec.wisc.edu

Weather Satellites and Orbits

Polar orbiting satellites travel in a circular orbit moving from pole to pole. These satellites collect data in a swath beneath them as the earth rotates on its axis. In this way, a polar orbiting ...
cimss.ssec.wisc.edu

Hurricane Maria makes landfall in Puerto Rico

GOES-16 Clean Window Infrared (10.3 µm) Imagery shows a distinct eye as the storm makes landfall. Subsequently, however, the eye filled in as it moved over the mountainous interior of Puerto Rico. A 2 ...
cimss.ssec.wisc.edu

Typhoon In-fa

A longer animation spanning the entire 19-20 September period (below; also available as a large 120 Mbyte animated gif) revealed an improving trend in the overall satellite presentation of In-fa, with ...
cimss.ssec.wisc.edu

The 50th Anniversary of the Wreck of the Edmund Fitzgerald: A New Perspective on an Old Storm

November 10, 2025 marks the 50 th anniversary of one of the most-remembered weather-related disasters of all time: the sinking of the Edmund Fitzgerald. This ship was an ore freighter that sailed the ...
cimss.ssec.wisc.edu

Palisades Fire in Southern California

1-minute GOES-18 True Color RGB images from the CSPP GeoSphere site (below) showed the offshore transport of smoke from the Palisades Fire — and a few pyrocumulus jumps in the vicinity the wildfire ...
cimss.ssec.wisc.edu

Explosion in Tianjin, China

A storage facility in Tianjin, China exploded shortly after 1500 UTC on 12 August 2015 (media story). Himawari-8, MTSAT-2 and COMS-1 all viewed the explosion that generated a strong thermal signature ...
cimss.ssec.wisc.edu

NGFS Detections of the Hughes Fire in Los Angeles County

Every-minute true-color imagery from the CSPP Geosphere site (above) shows the quick development of the Hughes Fire in Los Angeles county. This event developed during a time of Red Flag Warnings over ...