The image comparison above shows “before” and “after” views of the axis of the Gulf Stream off the southeast coast of the US. The “before” view is the Sea Surface Temperatue (SST) analysis from the RTG_SST High Resolution model at 00:00 UTC on 02 September 2010 (before Hurricane Earl arrived) — the... Read More

McIDAS images of GOES-13 0.63 µm visible channel data (above, also available as a QuickTime movie) showed some interesting details associated with Tropical Storm Fiona in the central Atlantic Ocean on 02 September 2010: a series of intense convective bursts just south of a partially-exposed low-level circulation center, and a large northward-moving “outflow boundary” arc... Read More

Morphed Microwave Imagery (MIMIC), above, shows the evolution of the structure of Earl’s eye over the past 48 hours as Earl has strengthened from a Category 3 storm back to Category 4.An AWIPS view of NOAA-16 AVHRR imagery (0.63 and 10.8 micron data, including ocean buoy reports) from just... Read More

The parade of tropical impulses moving westward off of Africa into the tropical Atlantic that has produced Hurricanes Danielle and Earl, and Tropical Storm Fiona, has now yielded a new Tropical Depression, Number 9, that will become Gaston if it achieves Tropical Storm status. Some environmental conditions favor intensification, and... Read More