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News Release 10-067

VORTEX2 Tornado Scientists Hit the Road Again

2010 expedition takes place May 1st though June 15th

Photo of VORTEX2 scientists taking to the field in search of tornadoes.

On the road again: VORTEX2 scientists take to the field in search of tornadoes.


April 27, 2010

This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.

In the largest and most ambitious effort ever made to understand tornadoes, more than 100 scientists and 40 support vehicles will hit the road again this spring.

The project, VORTEX2--Verification of the Origins of Rotation in Tornadoes--is in its final season: May 1st through June 15th, 2010.

VORTEX2 is supported by the National Science Foundation (NSF) and the National Oceanic and Atmospheric Administration (NOAA).

Scientists from more than a dozen universities and government and private organizations will take part. International participants are from Italy, Netherlands, United Kingdom, Germany, Canada and Australia.

The questions driving VORTEX2 are simple to ask but hard to answer, says lead scientist Josh Wurman of the Center for Severe Weather Research (CSWR) in Boulder, Colo.

  • How, when, and why do tornadoes form?
  • Why are some violent and long-lasting while others are weak and short-lived?
  • What is the structure of tornadoes?
  • How strong are the winds near the ground?
  • How exactly do they do damage?
  • How can we learn to forecast tornadoes better?

"Current warnings have only a 13-minute average lead time, and a 70 percent false alarm rate," says Brad Smull, program director in NSF's Division of Atmospheric and Geospace Sciences. "Can we issue reliable warnings as much as 30, 45 or even 60 minutes ahead of tornado touchdown?"

VORTEX2 scientists hope to find the answers.

They will use a fleet of instruments to literally surround tornadoes and the supercell thunderstorms that form them.

An armada will be deployed, including:

  • Ten mobile radars such as the Doppler-on-Wheels (DOW) from CSWR;
  • SMART-Radars from the University of Oklahoma;
  • the NOXP radar from the National Severe Storms Laboratory (NSSL);
  • radars from the University of Massachusetts, the Office of Naval Research and Texas Tech University (TTU);
  • 12 mobile mesonet instrumented vehicles from NSSL and CSWR;
  • 38 deployable instruments including Sticknets (TTU);
  • Tornado-Pods (CSWR);
  • 4 disdrometers (University of Colorado (CU);
  • weather balloon launching vans (NSSL, NCAR and SUNY-Oswego);
  • unmanned aircraft (CU);
  • damage survey teams (CSWR, Lyndon State College, NCAR); and
  • photogrammetry teams (Lyndon State Univesity, CSWR and NCAR).

"VORTEX2 is fully nomadic with no home base," says Wurman.  Scientists will roam from state to state in the U.S. Plains following severe weather outbreaks.

"When we get wind of a tornado," says Wurman, "we spring into action."

-NSF-

Media Contacts
Cheryl Dybas, NSF, (703) 292-7734, email: cdybas@nsf.gov
Keli Tarp, NOAA, (405) 325-6933, email: keli.tarp@noaa.gov

The U.S. National Science Foundation propels the nation forward by advancing fundamental research in all fields of science and engineering. NSF supports research and people by providing facilities, instruments and funding to support their ingenuity and sustain the U.S. as a global leader in research and innovation. With a fiscal year 2022 budget of $8.8 billion, NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and institutions. Each year, NSF receives more than 40,000 competitive proposals and makes about 11,000 new awards. Those awards include support for cooperative research with industry, Arctic and Antarctic research and operations, and U.S. participation in international scientific efforts.

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