The 1200 UTC sounding from Hilo HI (91285) was unavailable on 29 October 2024. (Here is the sounding from 0000 UTC). When such a failure happens, there is a backup: NUCAPS profiles show thermodynamic information that is retrieved from infrared and microwave information on NOAA-20, NOAA-21 and MetopC satellites, and... Read More
The Storm Prediction Center’s Fire Weather Outlook, issued at 1700 UTC on 28 October (link), shown below, shows a critical weather day over portions of Oklahoma, Kansas and Texas. The forecast office in Norman, OK, noted the fire risk, Red Flag Warnings and Wind Advisories on its front page.The Next Generation Fire System Alerts Dashboard monitors satellite imagery to detect the hot spots that indicate wildfires. A screen... Read More
GOES-18 Airmass RGB imagery, above, from 1500-1820 UTC on 28 October, show light snow over much of central Alaska as a storm system moves into the state. Temperatures at 500 mb, below, derived from NUCAPS profiles (as shown in the toggle), show a tongue of warmer air positioned with the cloud feature (shown as white) in... Read More
Infrared imagery over the Hawai’ian Islands on 25/26 October, below, shows convective development over Maui and Oahu. This was also a region of strong vertical wind shear, as shown below, as upper level cloud features were moving southeastward, low level clouds were moving to the west).GREMLIN is a machine-learning tool... Read More
