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Originally published November 18, 2013 at 9:02 PM | Page modified November 19, 2013 at 2:28 PM

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In age of instant information, tornado alerts saved lives

With massive destruction in some communities but a death toll limited to eight as of Monday, many said accurate predictions and timely warnings on Sunday almost certainly saved lives.




The Associated Press

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WASHINGTON, Ill. — When a cluster of violent thunderstorms began marching across the Midwest, forecasters were able to draw a bright line on a map showing where the worst of the weather would go.

Their uncannily accurate predictions — combined with television and radio warnings, cellphone alerts and storm sirens — almost certainly saved lives as rare late-season tornadoes dropped out of a dark autumn sky. Although the storms howled through 12 states and flattened entire neighborhoods within a matter of minutes, the number of dead stood at just eight.

By Monday, another, more prosaic reason for the relatively low death toll also came to light: In the hardest-hit town, many families were in church.

“I don’t think we had one church damaged,” said Gary Manier, mayor of Washington, Ill., a community of 16,000 about 140 miles southwest of Chicago.

The tornado cut a path about an eighth of a mile wide from one side of Washington to the other and damaged or destroyed as many as 500 homes. The heavy weather also battered parts of Michigan, Wisconsin, Iowa, Missouri, Indiana, Ohio, Kentucky, Tennessee, West Virginia, Pennsylvania and western New York.

Back in Washington, Daniel Bennett was officiating at a Sunday service before 600 to 700 people when he heard an electronic warning tone. Then another. And another.

“I’d say probably two dozen phones started going off in the service, and everybody started looking down,” he said.

What they saw was a cellphone alert from the National Weather Service cautioning that a twister was in the area. Bennett stopped the service and ushered everyone to a safe place until the threat passed.

A day later, many townspeople said those messages helped minimize deaths and injuries.

“That’s got to be connected,” Bennett said. “The ability to get instant information.”

In Indiana, Taylor Glenna heard emergency sirens go off and received an alert on his cellphone. A friend also called to warn him the storm was nearly upon him.

Glenna went outside, saw hail and heard a loud boom. He ran to his basement just in time.

On Monday, he was surveying the damage on crutches after suffering a leg injury when the wind knocked his home off its foundation. “I would say we had pretty good warning,” Glenna said. “We just didn’t listen to it.”

Forecasting has steadily improved with the arrival of faster, more powerful computers. Scientists are now better able to replicate atmospheric processes with mathematical equations.

In the past decade alone, forecasters have doubled the number of days in advance that weather experts can anticipate major storms, said Bill Bunting of the National Weather Service.

But Bunting, forecast operations chief of the Storm Prediction Center in Norman, Okla., said it was not until Saturday that the atmospheric instability that turns smaller storm systems into larger, more menacing ones came into focus.

That’s when information from weather stations, weather balloons, satellite imagery and radar suggested there was plenty of moisture — fuel for storms — making its way northeast from the Gulf of Mexico.

Despite Sunday’s destruction, 2013 has been a relatively mild year for twisters in the U.S., with the number of tornadoes running at or near record lows.

So far this year, there have been 886 preliminary reports of tornadoes, compared with about 1,400 preliminary reports usually sent to the weather service by mid-November.

Sunday’s fast-moving storms erupted when unusually warm, moist air from Louisiana to Michigan was hit by an upper-level cold front. That crash of hot and cold, dry and wet, triggers twisters.

Mobile phones connected to the Federal Communications Commission (FCC)’s Wireless Emergency Alert system can receive a message and alarm from agencies such as the National Weather Service.

Seattle weather-service meteorologist Ted Buehner said most cell towers in the Puget Sound region have been retrofitted to transmit the messages through radio technology, but not all phones — especially those bought before 2012 — have the technology to receive alerts. Radio technology, he said, allows the system to send alerts to people within a certain geographic area, regardless of area codes or where cellphone users are from.

More information about how the alerts work is available on the FCC’s website (http://fcc.us/1dQqRUO). Buehner advised that people check with their carriers to find out if their phones are enabled or can be enabled to receive emergency alerts. messages.



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