Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.
Hurricane and Tropical Cyclones
Tropical Weather Discussion
000abio10 pgtw 250330 msgid/genadmin/joint typhoon wrncen Pearl Harbor hi// subj/significant tropical weather advisory for the Indian Ocean reissued/250330z-251800zapr2018// ref/a/msg/joint typhoon wrncen Pearl Harbor hi/250151zapr2018// ampn/ref a is a tropical cyclone final warning.// Rmks/ 1. North Indian Ocean area (Malay Peninsula west to coast of Africa): a. Tropical cyclone summary: none. B. Tropical disturbance summary: none. 2. South Indian Ocean area (135e west to coast of Africa): a. Tropical cyclone summary: (1) at 250000z, tropical cyclone 20s (fakir) was located near 24.6s 59.1e, approximately 288 nm south-southeast of port Louis, Mauritius, and had tracked southeastward at 12 knots over the past six hours. Maximum sustained surface winds were estimated at 35 knots gusting to 45 knots. See ref a (wtxs31 pgtw 250300) for the final warning on this system. (2) no other tropical cyclones. B. Tropical disturbance summary: (1) the area of convection (invest 96s) previously located near 9.0s 79.0e, is now located near 11.0s 83.5e, approximately 686 nm east-southeast of Diego Garcia. Animated enhanced infrared satellite imagery shows that two small areas of moderate convection remain present around the low level circulation center (LLCC) associated with 96s. A 242158z 91ghz ssmis microwave image shows the remaining convection is still located to the east of the LLCC. Upper level analysis reveals moderate vertical wind shear ranging from 15 to 20 knots along with weak equatorward outflow and moderate poleward outflow. Sea surface temperatures remain favorable between 28 and 29 degrees celsius. 96s will encounter unfavorable conditions as it tracks southward. Numerical model guidance has considerably backed off on tropical cyclone development over the next 24 hours. Maximum sustained surface winds are estimated at 15 to 20 knots. Minimum sea level pressure is estimated to be near 1008 mb. The potential for the development of a significant tropical cyclone within the next 24 hours remains low. (2) no other suspect areas. 3. Justification for reissue: updated with final warning for tc 20s.//
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Articles of Interest
- Hunting Hugo: The Hurricane Hunters' Wildest Ride
- The six hurricane/typhoon hunter missions that never returned to base
- A new world record wind gust: 253 mph in Australia's Tropical Cyclone Olivia
- Wind shear tutorial
- Subtropical storm tutorial
- African dust tutorial
- Gulf of Mexico ocean heat tutorial
- African wave tutorial
- Modiki El Niños and Atlantic hurricane activity
- The case for a new QuikSCAT satellite
- Bill Gates takes on hurricanes
- Is the Atlantic hurricane season getting longer?
- Late-starting hurricane seasons
- Looking back at Hurricane Gustav's record 211 mph wind gust
- Remembering Hurricane Hugo 20 years later
- Haiti's tragic hurricane history
- Global warming and the frequency of intense Atlantic hurricanes: model results
- Complete subject list of Dr. Jeff Masters' blogs on hurricanes