A plot of the Advanced Dvorak Technique (ADT) intensity estimate for Hurricane Olaf (above) showed that the storm went through a period of rapid intensification during the 19-20 October 2015 period, reaching Category 4 strength. The National Hurricane Center noted that Olaf became the 6th major hurricane in the eastern North Pacific during... Read More
Typhoon Koppu hit the northern Philippines island of Luzon on Saturday 18 October. The 4-panel mp4 animation above (Click here for an animated gif) shows the 3 water vapor infrared channels (6.2 µm, 6.9 µm and 7.3 µm) and the window infrared channel (10.35 µm) from the Himawari-8 satellite. There... Read More
The rocking animation* above shows central Pacific Hurricane Oho forming south of Hawai’i and then moving quickly northeast; moisture associated with the remains of the storm is now moving onshore in British Columbia and Alaska Southeast. It is unusual for central Pacific Hurricanes to influence directly the weather in the Pacific... Read More
Hurricane Joaquin moved slowly through the eastern Bahamas on 1 and 2 October 2015. ASCAT data from 1356 UTC, above, shows rain-flagged values near 90 knots not far from the storm center (Joaquin is a potent Category 4 Hurricane; its strongest winds are confined to within about 50 miles of the center).Joaquin is embedded... Read More
