Storm Prediction Center storm reports for the 24 hours ending 1200 UTC on 30 April 2025 show a line of strong wind reports from the mid-Mississippi River valley east-northeastward into central Pennsylvania. What satellite products could have been useful on 29 April to anticipate the arrival of these strong winds?... Read More
SPC Storm reports for 1200 UTC 22 April – 1200 UTC 23 April 2025 (here) included an observation of very strong winds at the Midland Airport as shown below. (See also this link).What did the satellite imagery for this storm show? GOES-16 CONUS visible imagery, below, shows the evolution of the thunderstorm responsible... Read More
Instrument issues at the weather station in Pago Pago (related to Hydrogen generation) means that balloon launches occur only once every other day, at 0000 UTC on odd days. The sounding for 15 April/0000 UTC (1 PM Samoa Standard time on 14 April) is shown below.Two different JPSS satellites overflew... Read More
GOES-18 True Color imagery during the day on 7 April, above, shows the development of a standing wave downwind of the elevated topography on the Aleutian peninsula between King Salmon and Perryville. (Note also the faint signal of volcanic ash as discussed here) What atmospheric conditions support the development of... Read More
