Bloomberg News

Heat Builds on Both Coasts as First Day of Summer Arrives

June 21, 2011

(Updates with MDA EarthSat forecast in second paragraph.)

June 21 (Bloomberg) -- Heat will grip the U.S. West and the Atlantic Coast from New Jersey to Florida for the rest of the week before concentrating over Texas by week’s end, forecasters said.

The hottest areas are expected to be along the Atlantic from Virginia to South Carolina and near San Francisco and Sacramento in California, said Matt Rogers, president of Commodity Weather Group LLC. MDA EarthSat Weather predicts the hottest areas will be in California’s central valley through the Southwest into western Texas.

“While showers and thunderstorms continue to keep heat under control on the East Coast, some locations continue to see strong heat,” Rogers said in a note to clients today. “In the near term the strongest heat is found from California and the Southwest.”

Today marks the first day of summer in the Northern Hemisphere.

Temperatures may top 100 degrees Fahrenheit (38 degrees Celsius) in Sacramento and 110 degrees in the U.S. Southwest.

In his 6- to 10-day forecast, Rogers calls for heat to center over Texas and spread across the southern Rocky Mountains and into the southern Mississippi River Valley. Then the heat will drift northward into the Plains states of Nebraska and Kansas and spread over the middle of the U.S. in the 10- to 15- day period, Rogers said.

In its 6- to 10-day forecast, MDA shifts the heat eastward into the Great Plains with the most intense concentration in northern and western Texas. MDA’s 11- to 15-day forecast predicts a much wider spread of heat, with intense outbreaks in the Great Lakes to Hudson Bay and in the Southwest.

--Editors: Charlotte Porter, Richard Stubbe

To contact the reporter on this story: Brian K. Sullivan in Boston at

To contact the editor responsible for this story: Dan Stets at

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