Typhoon Chanthu (Philippine name Kiko) rapidly intensified again today, and has reached Category 5 intensity for the third time in its life. This time, the storm has intensified much more than on previous occasions, and now has winds near 180mph, or 290kph, with higher gusts. Further strengthening is possible asRead More →

Severe Tropical Storm In-fa now started moving West-Northwest as it approach the Southern Ryukyu Islands. As per the 3PM JST analysis of Force Thirteen, the storm is located at 24.6°N 131.3°E with 10-minute maximum sustained winds of 95 kph (50 knots) with minimum central pressure of 983 millibars. Severe TropicalRead More →

Choi-Wan (PAGASA: Dante) maintained its tropical storm status as it brought torrential rainfall and flash flooding to the Philippines while it brushed the Visayas and Southern Luzon. Currently, it is a 40mph tropical storm by the latest Force Thirteen analysis and is expected to weaken substantially due to persistently highRead More →

Yesterday, Yaas was expected to peak and make landfall as a 70kts category 1 cyclone as high wind shear unfavoured its development, Yaas continues to steadily intensify more than what was originally anticipated. Right now it still has around 12 hours for development before landfall and is already an 85mphRead More →

In a surprising turn of events, Typhoon Surigae has strengthened much faster than anticipated as it jumped 2 category’s in 12 hours to become the first category 4 typhoon of the 2021 Northern Hemisphere season. Further strengthening is anticipated but there is a large spread in models in what courseRead More →

Formation   In mid-December, after a country-wide cold wave, the NCEP-Global Forecast System (GFS) became increasingly aggressive towards the formation of an equator facing trough off of the polar vortex in Siberia. The forecast called for the trough moving southwest and turning poleward, creating a massive cooldown across China rightRead More →