The Star Beacon; Ashtabula, Ohio

World, nation, state

October 28, 2013

Meteorologists spy clue to heat waves weeks away

WASHINGTON — Meteorologists may have found a way to predict some killer heat waves up to three weeks in advance. Now, the best they can do is about 10 days.

An earlier warning would help cities prepare for the heat wave, arrange to open up cooling centers and check on the elderly, said Gerald Meehl, co-author of a study that describes the forecasting clue.

“It gives you a little bit of a heads up of what’s coming,” he said.

The key may be a certain pattern of high and low pressure spots across the globe high in the sky. When that pattern shows up, the chances double for a prolonged and intense heat wave in the eastern two-thirds of the United States, according to the study published Sunday in the journal Nature Geoscience.

This could predict some types of heat waves but not all, meteorologists said. The study’s authors said they think the pattern occurred before last year’s heat wave in much of the central United States, but they still need more work to confirm it.

The researchers at the National Center for Atmospheric Research in Boulder, Colo., looked at heat waves that lasted at least a week and were about 5 to 8 degrees warmer than normal. In any given summer week, the odds of a heat wave like this happening are usually only about 1 in 67 in the U.S.

They did thousands of computer simulations and discovered that when high pressure and low pressure systems line up in a specific pattern, it foreshadows heat to come in about 15 to 20 days.  Scientists call this 4-mile-high pattern wave No. 5.

The weather on the ground at the time of the pattern really doesn’t matter; it can be rainy, dry, hot or cold, said study lead author Haiyan Teng, a scientist at the research center. The same pattern that signals a U.S. heat wave also indicates different extreme weather in other parts of the globe, like heavy rains, she said

This wave pattern was seen before the 1980 heat wave that was blamed for 1,250 deaths and pushed temperatures over 100 degrees in Dallas every day, said Randall Dole, a senior scientist at the National Oceanic and Atmospheric Administra-tion. Triple-digit temperatures in Dallas persisted for a record 42 consecutive days that year. Dole, who wasn’t part of the study, said the science behind the study is sound, significant and may be practical after extensive testing.

1
Text Only
World, nation, state
  • U.S. blasts Israel for Kerry criticism

    The Obama administration pushed back strongly Monday at a torrent of Israeli criticism over Secretary of State John Kerry’s latest bid to secure a cease-fire with Hamas, accusing some in Israel of launching a “misinformation campaign” against the top American diplomat.

    July 29, 2014

  • Outlook on Medicare finances improves

    Medicare’s finances are looking brighter, the government said Monday. The program’s giant hospital trust fund won’t be exhausted until 2030 — four years later than last year’s estimate.

    July 29, 2014

  • Plan to simplify 2015 health renewals may backfire

    If you have health insurance on your job, you probably don’t give much thought to each year’s renewal. But make the same assumption in one of the new health law plans, and it could lead to costly surprises.

    July 28, 2014

  • Hospital shooting suspect charged with murder

    A man accused of fatally shooting his caseworker and grazing his psychiatrist at a suburban Philadelphia hospital complex before the doctor returned fire has been charged with murder.

    July 28, 2014

  • Man seeks video of Oklahoma City bombing

    One man’s quest to explain his brother’s mysterious jail cell death 19 years ago has rekindled long-dormant questions about whether others were involved in the 1995 Oklahoma City bombing.

    July 28, 2014

  • Bill in Congress to help veterans with PTSD

    A group of lawmakers have joined together to help veterans with Post Traumatic Stress Disorder (PTSD), Post Traumatic Brain Injury (PTBI) and other war injuries get speedy medical treatment — and avoid Veteran’s Administration bureaucracy and Department of Defense lack of accountability.

    July 28, 2014

  • U.S.: Russia has fired rockets into Ukraine

    Stepping up pressure on Moscow, the U.S. on Sunday released satellite images it says show that rockets have been fired from Russia into neighboring eastern Ukraine and that heavy artillery for separatists also has crossed the border.

    July 28, 2014

  • U.S. says Russia is firing across border into Ukraine

    Russia is launching artillery attacks from its soil on Ukrainian troops and preparing to move heavier weaponry across the border, the U.S. and Ukraine charged Friday in what appeared to be an ominous escalation of the crisis.

    July 25, 2014

  • Gaza sides agree to lull but truce efforts stall

     Israel-Hamas fighting looked headed for escalation after U.S. Secretary of State John Kerry failed Friday to broker a weeklong truce as a first step toward a broader deal and Israel’s defense minister warned Israel might soon expand its Gaza ground operation “significantly.”

    July 25, 2014

  • Planes with Ukraine bodies arrive in Netherlands

    Two more military aircraft carrying remains of victims from the Malaysian plane disaster arrived in the Netherlands on Thursday, while Australian and Dutch diplomats joined to promote a plan for a U.N. team to secure the crash site which has been controlled by pro-Russian rebels.

    July 24, 2014

House Ads
Parade
Magazine

Click HERE to read all your Parade favorites including Hollywood Wire, Celebrity interviews and photo galleries, Food recipes and cooking tips, Games and lots more.
AP Video