Joaquin reached Category 1 hurricane intensity on the morning of 30 September 2015 (NHC advisories). An eye structure was becoming apparent on a 1259 UTC Microwave (85 GHz) image from the SSMIS instrument on the DMSP-18 satellite (above).The GOES-13 (GOES-East) satellite was placed into Rapid Scan Operations (RSO) mode, providing images... Read More
Some locations in southern California received record daily precipitation on 15 September 2015. A time series plot of weather conditions for Los Angeles International Airport is shown above; the 1.80 inches of rainfall received there made it the wettest September day on record.As mentioned in the NWS Los Angeles record event report, the moisture... Read More
GOES-15 Visible (0.63 µm) images (above; click image to play animation) showed the low-level circulation center (LLCC) of Tropical Storm Jimena becoming exposed as the tropical cyclone encountered increasing amounts of westerly deep-layer wind shear. Jimena had rapidly intensified to a Category 4 hurricane over the East Pacific Ocean in late... Read More
Tropical Storm Fred reached hurricane intensity east of the Cape Verde Islands late in the day on 30 August 2015. As mentioned in the NHC discussion on the following morning, Fred was the first hurricane to pass through the Cape Verde Islands since 1892. While no central eye was apparent on... Read More
