Former Hurricane Philippe lost tropical characteristics at 1500 UTC on 6 October, as it interacted with extratopical features moving over it from the USA. (Click here for a UW-Madison weather watch on this event with commentary by Profs Jon Martin and Michael Morgan). There are several players of note in... Read More
5-minute GOES-16 (GOES-East) Day Cloud Phase Distinction RGB images with overlays of GLM Flash Extent Density, LightningCast Probability and Buoy/METAR reports (above) showed glaciating (brighter shades of green) and glaciated (pale shades of yellow) cloud bands streaming eastward and southeastward off Lake Ontario and Lake Erie on 08 October 2023. Some of these cloud bands were producing lake effect... Read More
Tropical Storm Bolaven formed southeast of the Mariana Islands at 1200 UTC on 07 October 2023 (about 540 miles southeast of Guam, according to the initial advisory issued by JTWC). With sufficient illumination from the Moon (which was in the Waning Crescent phase, at 41% of Full), a nighttime Suomi-NPP VIIRS... Read More
Tropical Storm Bolaven has formed in the western Pacific and is moving towards the Marianas Islands. Were there satellite products useful in monitoring the atmosphere prior to the storm’s development? One such useful product is the Advanced Scatterometer (ASCAT) that is on both MetopB and MetopC polar orbiters at this website (or this one). The stepped animation above, from... Read More
