U.S. East Coast May Cool in Early October, Forecasters Say
The U.S. East Coast will cool through the first week in October before warming up again later in the month, according to forecasters.
Low temperatures in the large Northeastern cities will probably hover in the 40-degree to 50-degree Fahrenheit (4.4 to 10 Celsius) range, according to MDA EarthSat Weather in Gaithersburg, Maryland.
“The chill will slowly fade as the period moves on, though most areas should stay below normal,” according to an MDA note to clients.
MDA, Commodity Weather Group LLC, and the U.S. Climate Prediction Center agree that the East, the Southeast and southern New England will be cooler than normal Oct. 2 to Oct. 6, according to their 6- to 10-day outlooks.
“Over the past few weeks, upper-level low-pressures have caused considerable trouble with forecast details and in many cases, warmer trends were thwarted,” CWG President Matt Rogers said in a note to clients today from Bethesda, Maryland.
There is a chance for another upper-level low to stall over the region, bringing more clouds and cooler weather for the 6- to 15-day period, said Rogers.
Natural gas futures gained yesterday for the first time in five days in New York as warmer-than-normal weather increased demand for the power-plant fuel.
Traders Watch
Traders use long-range temperature predictions to gauge energy use and market fluctuations. Hot or cold weather can increase demand for heating and cooling, and power plants use about 30 percent of the nation’s gas supplies, according to Energy Department data.
While the eastern U.S. is cooler, all three forecasts call for the northern Great Plains to be warmer than normal. The U.S. Climate Prediction Center says the warming will include the Rocky Mountains, the Southwest and Texas, a much larger footprint than the commercial forecasters expect.
In their 11- to 15-day outlooks, MDA and CWG agree the Pacific Northwest will be cooler. Commodity Weather carries the cooling into California Oct. 7 to Oct. 11, while MDA calls for most of the state to be seasonal.
The climate center, which uses a slightly different timeframe for its forecast, calls for cooler weather to cover the Pacific Northwest and California from Oct. 6 to Oct. 10.
The three outlooks call for the eastern U.S. to warm or be near normal through the same periods.
To contact the reporter on this story: Brian K. Sullivan in Boston at bsullivan10@bloomberg.net
To contact the editor responsible for this story: Dan Stets at dstets@bloomberg.net
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