Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
By: Dr. Jeff Masters, 3:22 AM GMT on March 30, 2015
It's been a record early start to typhoon season in the Western Pacific, where Category 2 Typhoon Maysak, with top sustained winds of 100 mph as of 8 pm EDT Sunday, is gathering strength in the waters a few hundred miles east of Yap State in the Caroline Islands. Maysak is the fourth named storm so far in 2015 in the Western Pacific, and the Joint Typhoon Warning Center (JTWC) database shows only one other year since 1945 with more named storms that formed during th...
By: Jeff Masters and Bob Henson, 2:58 PM GMT on March 27, 2015
The warmest temperature ever recorded on the continent of Antarctica may have occurred on Tuesday, March 24, 2015, when the mercury shot up to 63.5°F (17.5°C) at Argentina's Esperanza Base on the northern tip of the Antarctic Peninsula. According to weather records researcher Maximiliano Herrera, the previous hottest temperature recorded in Antarctica was 63.3°F (17.4°C) set just one day previously at Argentina's Marambio Base, on a small islet just off the coas...
Updated: 4:29 PM GMT on March 28, 2015
By: Bob Henson, 4:03 PM GMT on March 26, 2015
Two Oklahoma suburbs took the brunt of damage from a rapid-fire severe weather outbreak that developed Wednesday afternoon. At least one person was killed and another critically injured when a tornado and/or accompanying downdraft winds moved across a manufactured home park in Sand Springs, just west of Tulsa. A number of mobile homes were reportedly destroyed in the high winds. Just south of Oklahoma City, the long-suffering town of Moore--struck by catastrophic F5...
Updated: 11:16 PM GMT on March 26, 2015
By: Bob Henson, 9:29 PM GMT on March 24, 2015
The fine art of weather watching at the nation’s capital, which goes all the way back to Thomas Jefferson, Philadelphia, and the Declaration of Independence, got a shot of adrenaline with the announcement that a CoCoRaHS rain gauge was being installed at 1600 Pennsylvania Avenue in Washington, D.C. The news broke on Monday as part of the fourth annual White House Science Fair.
CoCoRaHS, the Community Collaborative Rain, Hail and Snow network (CoCoRaHS)...
Updated: 10:10 PM GMT on March 24, 2015
By: Bob Henson, 4:35 PM GMT on March 23, 2015
Now that spring is upon us, the odds are rising that millions of Americans will find themselves under a “slight,” “moderate,” or even “high” risk of severe weather at some point in the next few months. These terms have been used by NOAA’s Storm Prediction Center (SPC) since 1981 to describe the anticipated likelihood of large hail, damaging winds, and/or tornadoes. From seasoned emergency managers to budding weather geeks, many thousands of Americans f...
Updated: 4:29 AM GMT on March 24, 2015