As an anomalously-deep middle-tropospheric low migrated eastward over the Southwest US, severe thunderstorms developed ahead of a surface low and its associated cold front (surface analyses) as they moved from New Mexico into Texas on 13 March 2021 — as shown in 1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) (above) and “Clean” Infrared Window (10.35 um) images (below). According... Read More

Clear skies over much of Alaska on 12 March meant that GOES-17 had a clear view of Denali.  The animation above, of GOES-17 CIMSS True Color imagery, shows the shadow of Denali (near the center of the imagery, due north of Cook Inlet) moving during the day.A higher-resolution animation, below,... Read More

A potent winter storm is on tap for eastern Colorado (and surroundings) over the weekend.  As with any system bringing heavy snow, knowing the storm path is crucial.  From a recent Boulder WFO Forecast Discussion, available here:   “Recent models runs in the GFS and ECMWF have trended more to the... Read More

US Space Force EWS-G1 Infrared Window (10.7 µm) images (above) displayed the well-defined eye and eyewall structure of Cyclone Habana in the South Indian Ocean on 10 March 2021. This was the second period of Category 4 intensity (ADT | SATCON) during the life cycle of Habana.Meteosat-8 Infrared images with... Read More