1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Nighttime Microphysics RGB images (above) included plots of Local Storm Reports — which showed a thunderstorm that produced wind-driven hail as it moved across northeastern Wyoming during the late afternoon and evening hours on 11 July 2023. Note the long, narrow swath of colder surface temperature (shades of beige) in the... Read More

The third named storm of the Eastern Pacific tropical season has formed. (Click here for NHC‘s public advisory on the naming of Calvin) The mp4 animation above (click here for an animated gif) shows the evolution of the system for the 24 hours ending at 1210 UTC on 12 July... Read More