Tenth Anniversary of Very Severe Tropical Cyclone Nargis

  On May 2, 2008 Very Severe Cyclone Nargis made landfall in Burma (Myanmar).  The cyclone struck the delta of the Irrawaddy River  with JTWC-estimated winds of 135 mph (117 kt, 60 m/s), sending a storm surge some 40 km inland and causing nearly 140,000 deaths.  By some calculations this makes Nargis the seventh deadliest cyclone in the North Indian …

15th anniversary of publication of seminal work on wind profiles in the tropical cyclone eyewall from dropwindsondes

Starting in 1996, NOAA phased out use of the obsolete Omega DropWindsondes (ODW) in favor of the Global Positioning Satellite (GPS) Dropwindsondes.  In addition to being more accurate due to the superior navigation system, this next-generation sonde was also more moisture tolerant.  ODWs would fail in they were launched in areas of heavy rain, but …

2018 Hurricane-Related Anniversaries

In 2018 we will observe the following tropical cyclone-related anniversaries. 2013 5th anniversary Despite preseason forecasts for an active hurricane season this year sees the fewest Atlantic hurricanes since 1982 and the first season since 1968 with no Category 2 hurricanes of higher. Hurricane Manuel strikes the Pacific coast of Mexico, causing 123 deaths and …

HRD celebrates Howie Friedman’s 57 years of federal service

  HRD and friends celebrated Howie Friedman's 57-year federal career February 13.  Howie served as the long-time deputy director of HRD.  He started his meteorology career studying at New York University, where he received his B.A. from the University College of Arts and Sciences in 1960 and his M.S. from the Graduate School of Engineering …

HRD mourns tropical meteorologist T. N. Krishnamurti

HRD recently learned of the passing of Professor T. N. Krishnamurti, Professor emeritus at the Florida State University Department of Earth, Ocean, and Atmospheric Sciences. Professor Krishnamurti was born Tiruvalam Natarajan Krishnamurti in India in 1932 and holds a B.A. degree in physics from Delhi University and an M.A. degree in meteorology from Andhra University …

10th Anniversary of Aerosonde flying into hurricane-force winds

On November 2, 2007, an unmanned aerial vehicle (UAV) Aerosonde flew into Tropical Storm Noel.  This marks the first time a UAV flew into an Atlantic tropical cyclone while encountering hurricane-force winds. The flying probe was produced by the Australian-based Aerosonde Pty Ltd. (now Textron Systems) which had been manufacturing sensors since 1995.  It reached …

70th Anniversary of the first hurricane seeding experiment

On the afternoon of October 13, 1947, an Air Force B-17 aircraft penetrated a hurricane 415 miles (667 km) east of Jacksonville and dumped several pounds of crushed dry ice into the storm, just to see what would happen.  This was the first attempt to modify a tropical cyclone by seeding it with freezing nuclei.  …