New World Record for Super Typhoon Haiyan: a 180-Ton Boulder Transported

By: Dr. Jeff Masters, 3:46 PM GMT on December 18, 2014

On November 8, 2013, the world changed forever for the people of the Central Philippines. The strongest tropical cyclone at landfall on record in world history, Super Typhoon Haiyan, crashed ashore on the island of Samar, bringing a massive storm surge of 15 - 23 feet to the city of Tacloban. At least 6,300 people died, mostly due to the storm surge, making it the deadliest typhoon in modern Philippines history. Storm surge surveys published earlier this year reveal...

Hurricane

Earth's 7th Warmest November Puts 2014 on Pace to be Warmest Year on Record: NOAA

By: Dr. Jeff Masters, 5:47 PM GMT on December 15, 2014

November 2014 was the seventh warmest November on record, and the year-to-date-period January - November was Earth's warmest such period since record keeping began in 1880, said NOAA's National Climatic Data Center (NCDC) on Monday. NASA rated November 2014 as the 8th warmest November on record. November ended a 3-month streak with record warm monthly temperatures—August, September, and October 2014 were all the warmest such months on record. Global ocean temperat...

Updated: 5:45 AM GMT on December 17, 2014

CycloneCenter.org: Harnessing the Power of Crowd-Sourcing to Improve Hurricane Data

By: Dr. Jeff Masters, 6:16 PM GMT on December 12, 2014

Today's guest post is by Dr. Jim Kossin, a hurricane scientist with NOAA's National Climatic Data Center stationed at the University of Wisconsin/NOAA Cooperative Institute for Meteorological Satellite Studies (CIMSS). I flew with Jim in 1988 with the NOAA Hurricane Hunters into Hurricane Gilbert of 1988, when it was the strongest Atlantic hurricane ever measured--888 mb. Jim was just a graduate student at the time, and has gone on since to write over 70 scientific ...

Hurricane

Torrential Rains Dent Califonia's Worst Drought in at Least 1,200 Years

By: Dr. Jeff Masters, 1:25 PM GMT on December 11, 2014

Torrential rains are falling across much of drought-scarred California, thanks to the wettest storm to affect the U.S. West Coast since at least October 2009. The heavy rains will put a noticeable dent in the state's three-year drought, which was the worst 3-year drought drought period in at least the past 1,200 years. This startling figure comes from a study of tree rings by researchers Daniel Griffin and Kevin Anchukaitis, How unusual is the 2012-2014 California d...

Drought

Huge Rainstorm Poised to Ease California's Thirst

By: Dr. Jeff Masters, 4:39 PM GMT on December 09, 2014

The wettest storm to affect the U.S. West Coast since 2009 is gathering strength over the Pacific Ocean, and promises to bring much-needed drought relief to thirsty California Wednesday through Friday. Rainfall amounts of 3 - 8 inches are expected over most of Northern California, with snowfall amounts of 1 - 3 feet predicted in the Sierra Mountains. As noted by Wunderground weather historian Christopher C. Burt in his Monday post, California Drought Situation Impro...

Drought Flood

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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