An isolated Supercell Thunderstorm developed near Denver on 20 May and then moved eastward over the High Plains. The storm produced significant hail. GOES-14 was operating in SRSOR mode and viewing Colorado during the storm’s lifecycle, and the animation above (click image for a large animated gif file) is centered on the... Read More

Detection of overshooting tops is important because the overshoot occurs with very strong updrafts that can punch through the tropopause. These strong updrafts can suspend large hydrometeors, and overshooting tops are associated with heavy rain and severe weather (principally hail and high winds, but also tornadoes). See this link for more... Read More

A hail-producing storm (cick here for Storm reports from SPC) moved through Edwards, Real and Bandera counties of Texas after sunrise on May 9th. This storm gives a nice opportunity to compare ProbSevere and GOES-14 SRSO-R depictions of a severe storm. The 1400 UTC image, above, shows ProbSevere > 95%,... Read More

Convection developed along the edge of warm air moving northward into Wisconsin early in the morning on May 7th. The Day 1 Outlook from the Storm Prediction Center showed the region to be in a Slight Risk.The NOAA/CIMSS ProbSevere model, which fuses together information from GOES-derived cloud products, Multi-Radar Multi-Sensor (MRMS) data, and Rapid Refresh (RAP)... Read More