Thousands if not millions of people took colorful photos of the Northern Lights during the early hours of May 11th during a remarkable G5 geomagnetic storm that expanded Aurora Borealis activity southward to unusually low latitudes in the United States.

NOAA-20/NOAA-21 NUCAPS profile estimates of K-Index (individual swaths) over the South Pacific, 2250 UTC 12 May 2024 – 0210 UTC 13 May 2024 (Click to enlarge) The long-anticipated arrival of NOAA-21 NUCAPS profiles (to supplement NOAA-20!) to AWIPS means that

VIIRS data downloaded from the CIMSS Direct Broadcast antenna (the link is evanescent) is used to create imagery that shows poor air quality over North America. The toggle above compares Aerosol Optical Depth and True-Color imagery derived using CSPP software.

GOES-18 Day Land Cloud Fire RGB (top left), Shortwave Infrared (3.9 µm, top right), “Clean” Infrared Window (10.3 µm, bottom left) and “Red” Visible (0.64 µm) + Fire Power derived product (bottom right), from 1500 UTC on 10 May to

VIIRS Day Night Band over the central United States showing an Aurora, 0813 UTC 11 May 2024 (Click to enlarge) The Space Weather Prediction Center (link) has recently noted strong solar activity as part of the ongoing solar maximum (see

Gridded NUCAPS values of 500-mb Temperatures from three different overpasses near 1200 UTC on 10 May 2024 (Click to enlarge) NUCAPS profiles from NOAA-21 are now flowing into AWIPS, joining NUCAPS from NOAA-20 and Metop-C. NOAA-21 and NOAA-20 orbits are