Posted on 01/04/2005 8:56:14 PM PST by adaven
Trio of storm systems could have devastating impact on U.S.
Knight Ridder Newspapers
WASHINGTON - Moisture-laden storms from the north, west and south are likely to converge on much of America over the next several days in what could be a once-in-a-generation onslaught, meteorologists forecast Tuesday.
If the gloomy computer models at the U.S. Climate Prediction Center are right, we'll see this terrible trio:
All three are likely to meet somewhere in the nation's midsection and cause even more problems, sparing only areas east of the Appalachian Mountains.
"You're talking a two- or three-times-a-century type of thing," said prediction center senior meteorologist James Wagner, who's been forecasting storms since 1965. "It's a pattern that has a little bit of everything."
While the predicted onslaught is nothing compared with the tsunami that ravaged South Asia last week, the combo storms could damage property and cause a few deaths.
The exact time and place of the predicted one-two-three punch changes slightly with every new forecast. But in its weekly "hazards assessment," the National Weather Service alerted meteorologists and disaster specialists Tuesday that flooding and frigid weather could start as early as Friday and stretch into early next week, if not longer.
"It's a situation that looks pretty potent," Ed O'Lenic, the Climate Prediction Center's operations chief, told Knight Ridder. "A large part of North America looks like it's going to be affected."
Kelly Redmond, the deputy director of the Western Regional Climate Center at the Desert Research Institute in Reno, Nev., where an unusual 18 inches of snow is on the ground already, said the expected heavy Western rains could cause avalanches. Since Oct. 1, Southern California and western Arizona have had three to four times the normal precipitation for the area.
"Somebody is in for something pretty darn interesting," Redmond said.
The last time a similar situation seemed to be brewing - especially in the West - was in January 1950, O'Lenic said. That month, 21 inches of snow hit Seattle, killing 13 people in an extended freeze, and Sunnyvale, Calif., got an unusual tornado.
The same scenario played out in 1937, when there was record flooding in the Ohio River Valley, said Wagner, of the prediction center.
Meteorologists caution that their predictions are only as good as their computer models. And forecasts get less accurate the farther into the future they attempt to predict.
"The models tend to overdo the formation of these really exciting weather formations for us," said Mike Wallace, a University of Washington atmospheric scientist.
Yet the more Wallace studied the models the more he became convinced that something wicked was coming this way.
"It all fits together nicely," Wallace said. "There's going to be weather in the headlines this weekend, that's for sure."
Wagner was worried about the Ohio and Tennessee River valleys as the places where the three nasty storm systems could meet, probably with snow, thunderstorms, severe ice storms and flooding. Some of those areas already are flooded.
The converging storms are being steered by high-pressure ridges off Alaska and Florida and are part of a temporary change in world climate conditions, O'Lenic said.
Over equatorial Indonesia, east of where the tsunami hit, meteorologists have identified a weather-making phenomenon called the Madden-Julian Oscillation. It's producing extra-stormy weather to its east. Similar oscillations in the north Atlantic and north Pacific are changing global weather patterns. Add to the strange mix this year's mild El Nino - a warming of the equatorial Pacific - which is unusually far west, Redmond said.
There's also another, more playful explanation: The nation's weathermen are about to converge on Southern California, and they bring bad weather with them.
The American Meteorological Society will meet next week in usually tranquil San Diego, which should be hit with the predicted storms and accompanying flooding in time for the group's gathering.
In 1987,when the meteorologists met in San Antonio for their convention, the city had ice storms. In 1993, when they gathered in Anaheim, Calif., it rained for 4.5 out of five days and triggered mudslides. Atlanta got rare snow during the meteorologists' 1996 convention. And in 2003 in Long Beach, Calif., heavy rain greeted them.
Ron McPherson, the group's recently retired executive director, said: "It always rains on the weatherman's parade."
Forgive me for sounding mother hennish, but if it isn't, reconsider. 8^(
read later
All three are likely to meet somewhere in the nation's midsection and cause even more problems, sparing only areas east of the Appalachian Mountains.
Glad I live in Charlotte!!!
No. The house is on high ground, but surrounded by flood water---just can't get in or out until water recedes. I'm stocked up.
It's already been reconsidered.....Have two offers to get dad to Dr appointments or cancel them......Depending on weather there....
But you are absolutely correct....and I get "mothered" even by dad.
Stay safe.
LOL Well done!
Since this is the 6th time since 1998, I'm getting to be an old hand at this. Thanks.
The 6th hundred year flood since 1998......sounds about right!!!
What's the Thursday forecast for Washington DC? Are the DUmmie election protesters gonna get wet and cold?
BTW - Central OK - Sleet, ice, ice pellets and COLD.
I've got a name for it: "The Illegal Alien Express".
Bad weather doesn't stop at the Rio Grande Express?
Raining on Cities American Storms Won't Express?
bump
All three are likely to meet somewhere in the nation's midsection and cause even more problems, sparing only areas east of the Appalachian Mountains.
"You're talking a two- or three-times-a-century type of thing," said prediction center senior meteorologist James Wagner, who's been forecasting storms since 1965. "It's a pattern that has a little bit of everything."
Bush's fault - bump!
Now where's my bookie? I'll bet against the end of the world every time! :-)
I'm loving the no snow situation. But I gotta say, a big snowstorm can be really fun. It sort of brings people together and gives a small town feeling.
This is Minnesota though, and we have a few months left. I'm sure something will hit sooner or later.
Strange, but true. At the first one, the authorities were widely quoted as saying this is such a rare event...termed it a "hundred-year flood...and that it was extremely unlikely to happen again. New and massive dikes were built around the nearby town (which was completely isolated for one week in the '98 flood) to prevent the waters from Wills creek to encroach on the town. And, for 6 years, it didn't flood. But, come this past summer and fall...
FEMA has been here since this summer and have what appears to be a permanent office set-up.
Been thinking that Jeb Bush would be a good FEMA director!
remember a few years back....when my husband was mowing the lawn in Indianapolis on December 3rd....hardly had any snow that Winter.....now....within a 2-3 week span...we've had 19 inches of snow (Greenwood)....now it's all gone.....
Sure enough. Jeb does have the commensurate experience.
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