Harris-Mann Climatology Releases Spring Weather Forecast

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Harris-Mann Climatology, a long-range weather and commodity forecasting service, predicts drier weather to return to the Midwest this upcoming spring season.

We’re still in a La Nada, or in-between the warmer El Nino and cooler La Nina sea-surface temperature event. This type of pattern often leads to a decrease in moisture across parts of the central U.S.

Harris-Mann Climatology has released its annual spring forecast for the U.S. and southern Canada as forecasters see the continuation of the Midwestern drought.

“We’re still in a La Nada, or in-between the warmer El Nino and cooler La Nina sea-surface temperature event. This type of pattern often leads to a decrease in moisture across parts of the central U.S.,” says Meteorologist Randy Mann.

Harris-Mann Climatology predicts drier and warmer than normal conditions from late March through June across the northern U.S., the Great Plains, the Midwest and south-central Canada. However, forecasters do see instances of heavier rain and thunderstorm activity, especially around the middle of April and May.

According to Climatologist Cliff Harris, “Much of southern Great Plains has suffered through one of the worst drought patterns since the infamous 'Dust Bowl Days’ of the 1930s. With normal or slightly below normal sea-surface temperatures, there should be an overall decrease of moisture during the spring season. Rainfall totals will remain below normal, which would extend the drought cycle until at least the middle of this summer.”

Despite the drier than normal predictions, Harris predicts there will be some strong storms occurring in late March, April and early May in the central U.S. He believes that “Tornado Alley” may once again live up to its name in areas between Interstate 80 and Interstate 10, particularly from Kansas southward into Texas.

“Southern California and the Desert Southwest is expected to turn even drier with rather hot temperatures by late May or early June,” says Harris.

With warmer and hotter weather to the south, the northwestern U.S. and southwestern Canada may be in for another wet and cool spring season. However, forecasts don’t expect to see the record moisture totals like those in 2012.

In the East, Harris-Mann Climatology forecasts drier and cooler than normal weather. However, there may be occasional strong thunderstorms that will likely lead to tornadic activity, especially in the Southeast. The tornado season has already begun in the Southeast with several twisters observed in late January and the month of February.

Harris-Mann Climatology also issues spring weather outlooks for other parts of the world. For example, eastern and southwestern Australia is expected to see above normal moisture for the spring season. The central portions of Australia should be very warm to hot with below normal rainfall.

Harris says, “many of these forecasts are based upon changes in sea-surface temperatures, solar activity and lunar cycles. If a new La Nina were to form within the next few months, as some computer models predict, then long-term forecasts may have to be updated. Stay tuned.”

Detailed monthly temperature and precipitation forecasts for most world cities are available at http://www.LongRangeWeather.com.

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