25th Anniversary of Hurricane Hugo Hitting South Carolina

By: Dr. Jeff Masters, 3:11 PM GMT on September 21, 2014

On September 21, 1989, Hurricane Hugo began the day as a minimum-strength Category 3 hurricane with 115 mph winds. But as a strong trough of low pressure turned the hurricane to the north and accelerated Hugo to a forward speed of 25 mph, the storm took advantage of low wind shear and warm ocean waters to begin a period of rapid intensification. As darkness fell on the 21st, Hugo had grown to huge Category 4 hurricane with 135 mph winds. Its target: the South Caroli...

Hurricane

African Wave 95L and Mexico's Tropical Storm Polo Little Threat

By: Dr. Jeff Masters, 3:51 PM GMT on September 20, 2014

Satellite loops show that a tropical wave (Invest 95L) off the coast of Africa, a few hundred miles southeast of the Cape Verde Islands, has a moderate degree of spin and heavy thunderstorm activity. The wave is under light wind shear and over warm waters of 28°C (82°F), conditions that favor development, but the 12Z Saturday forecast from the SHIPS model predicts that shear will rise to the moderate range, ocean temperatures will cool, and the air surrounding the...

Hurricane

Edouard Dying; Fung-Wong Floods Manilla

By: Dr. Jeff Masters, 2:33 PM GMT on September 19, 2014

The Atlantic's strongest and longest-lived named storm of 2014, Edouard, is near the end of its life. Passage over waters cooler than 23°C (73°F) have resulted in the loss of all of Edouard's heavy thunderstorms, and satellite images show that Edouard is just a swirl of low clouds. Edouard will likely be declared dead by Saturday morning.


Figure 1. Latest satellite image of Edouard.

African tropical wave 95L off the coast of Africa

Hurricane

Earth Has its Warmest Summer and August on Record

By: Dr. Jeff Masters, 6:33 PM GMT on September 18, 2014

August 2014 and the June - August Northern Hemisphere summer period of 2014 were Earth's warmest since records began in 1880, said NOAA's National Climatic Data Center (NCDC) today. NASA also rated August 2014 as the warmest August on record. August is the third time NOAA has ranked a 2014 month as the warmest on record; May and June 2014 were the warmest May and June on record (April 2014 was originally ranked as tied for warmest April on record, but has since been...

Climate Summaries

Updated: 8:37 PM GMT on September 18, 2014

Odile's Remnants Drench Southwest U.S.; Polo Expected to Stay Offshore of Mexico

By: Dr. Jeff Masters, 3:16 PM GMT on September 18, 2014

Tropical Storm Odile is no more, destroyed by the rough terrain of Mexico and separation from warm ocean waters, after making landfall in the Northern Gulf of California 110 miles south of the Arizona border early Wednesday afternoon. The moisture from Odile lives on over the Southwest U.S., though, and has brought heavy rains of 2 - 4" over portions of Southeast Arizona, Southern New Mexico, and extreme Western Texas as of Thursday morning. Lubbock, Texas was under...

Hurricane

Updated: 3:21 PM GMT on September 18, 2014

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About

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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