Comments on "wind chill errors." (responses to E. Kessler, Bull. Amer. Meteor. Soc., p. 1743-1744, vol. 74)(includes reply)

Article Abstract:

Kessler's conclusion on the role of the wind chill index in forecasting winter weather conditions outdoors is misleading. The mistake lies in his imprecise definition of the wind chill. In his statement, Kessler discounts the validity of using wind chill index values in warning the public against frostbite. According to Kessler, the wind chill index has no significant purpose in winter weather prediction other than to excite the general public. Although studies show that the wind chill index concept is only of qualitative value, nevertheless, it plays a significant role in saving human lives.

Frostbite, Winds

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Antarctic ozone hole sets new record

Article Abstract:

Meteorologists at the US Commerce Dept's National Oceanic and Atmospheric Administration an the National Aeronautics and Space Administration reported that the ozone hole over Antarctica is larger in winter than in other seasons. The year 1998's hole is the largest to be seen since its first development in the early 1980s with measurement of approximately 26 million sq km. In 1997, at about the same time, the hole was observed to be as large as 19 million sq km.

Measurement, United States. National Oceanic and Atmospheric Administration, Ozone layer depletion

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Sea WiFS completes year of earth observations

Article Abstract:

NASA is recording the changing seasons of life using the Sea-viewing Wide Field-of-View Sensor which was introduced on Aug 1, 1997 and has been producing data beginning Sep 18, 1997. The images recording the earth's changing biology as seen from space for one continuous year is being released by NASA for the first time. It is also the first time that a NASA earth science data purchase has been led by the industry.

Usage, Observations, Earth, Remote sensing

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