NOWCAST

NOWCAST ow e fry AT THE ANNUAL MEETING NE W WIN D CHILL TEMPERATURE INDEX The National Weather Service and Environment Canada imple- mented a new Wind Chill Tem- perature Index for the 2001-02 winter season. The new index was designed to more accurately mea- sure how the wind and cold feel on human skin. The former wind chill index used by the United States and Canada was based on 1945 re- search of Antarctic explorers who determined heat loss from water as it froze in a plastic container sus- pended from a tall pole. The new index accounts for the wind effects at face level and more accurately Wind chill test subjects walking on a treadmill in a chilled wind tunnel. Facial temperature readings were taken to help refine the new wind chill portrays body heat loss estimates. index. In addition, the new index was tested on human subjects in a chilled wind tunnel. During these Overall, the new index is sig- mph wind, produced a wind chill tests, the faces of six men and six nificantly warmer than the previ- of 29 degrees below zero. The new women were exposed to various ous index, especially when the index http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
D.O.I.
10.1175/1520-0477-83.1.9
Publisher site
See Article on Publisher Site

Abstract

ow e fry AT THE ANNUAL MEETING NE W WIN D CHILL TEMPERATURE INDEX The National Weather Service and Environment Canada imple- mented a new Wind Chill Tem- perature Index for the 2001-02 winter season. The new index was designed to more accurately mea- sure how the wind and cold feel on human skin. The former wind chill index used by the United States and Canada was based on 1945 re- search of Antarctic explorers who determined heat loss from water as it froze in a plastic container sus- pended from a tall pole. The new index accounts for the wind effects at face level and more accurately Wind chill test subjects walking on a treadmill in a chilled wind tunnel. Facial temperature readings were taken to help refine the new wind chill portrays body heat loss estimates. index. In addition, the new index was tested on human subjects in a chilled wind tunnel. During these Overall, the new index is sig- mph wind, produced a wind chill tests, the faces of six men and six nificantly warmer than the previ- of 29 degrees below zero. The new women were exposed to various ous index, especially when the index

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Jan 1, 2002

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