GOES-16 (GOES-East) Air Mass RGB images (above) showed the darker shades of red associated with dry and ozone-rich air within a lowered tropopause near the core of an upper-level low moving eastward across Oklahoma on 17 March 2021. One sequence of the Air Mass RGB images includes RAP40 model pressure contours of the PV1.5... Read More

When NOAA’s Storm Prediction Center issues a High Risk of severe weather (below), people sit up and take notice. Are there easily accessible tools to monitor the state of the atmosphere in/around a region of expected severe weather?The toggle above shows products (early in the morning on 17 March — at 439 AM CDT) in RealEarth... Read More

https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2021/03/HIMAWARI-8_AHI_dust_20210313_0000_to_20210316_2300_Beijinganim.mp4 Himawari-8 Dust RGB imagery, 0000 UTC 13 March 2021 through 2300 UTC 16 March 2021       The BBC reported that Beijing, the Capitol of China, was hit on 15 March by the worst sandstorm in a decade (link).  The linked-to article noted pollution levels 160 times... Read More

The historic storm that affected the Rockies and Plains has shifted eastward, and is forecast to affect portions of the upper Midwest (link, from here).  There is abundant dry air that must be removed or eroded before the precipitation can fall around the Great Lakes.  The toggle above shows Rapid... Read More