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Wind Chill extreme cold A wind chill of 20. As the wind increases the body is cooled at faster rate causing the skin temperature to drop Wind Chill does not impact inanimate objects like car radiators and posed water pipes because these objects cannot cool below the actual air temperature Wha For a given combination of temperature and wind speed the wind chill index corresponds roughly to the temperature that one would feel in a very light wind For example a temperature of 25C and a wind speed of 20 kmh give a wind chill index of 37 This November 6. th. , 2013. Hurricane Review. Winds rotate counter-clockwise around the . center. Storm . surge is . caused . by the wind; a wind-driven rush of sea into coastal areas as a strong . tropical . º. F and below). Wet (rain, snow, ice, humidity) or wet clothes. Wind (wind speed 5 mph and higher). Lack of adequate shelter/clothing. Lack of provisions/water. Unit Leader’s and Instructor’s Risk Management Steps for Preventing Cold Casualties. geostrophic wind. hypsometric . eqn. plug (2) into (1). finite difference expression:. this is the . thermal wind. : an increase in wind with height due to a temperature gradient. greater thickness. lower thickness. Goals:. Look at vertical distribution of geostrophic wind.. Identify thermal advection, and backing and veering winds.. Look at an example map.. Thermal Wind. 300 . hPa. . isotachs. of the geostrophic wind at 00 UTC. , Chapter 1:. Basics of atmospheric motion. time scales of atmospheric variability. Lovejoy 2013, EOS . Lovejoy 2013, EOS . time scales of atmospheric variability. Gage and . Nastrom. (1985). [shifted x10 to right]. Robert Fovell. UCLA Atmospheric and Oceanic Sciences. rfovell@ucla.edu. 1. Notes. Everything in this presentation should be familiar. Please feel free to ask questions, and remember to refer to slide numbers if/when possible. geostrophic wind. hypsometric . eqn. plug (2) into (1). finite difference expression:. this is the . thermal wind. : an increase in wind with height due to a temperature gradient. greater thickness. lower thickness. Explain the terms and concepts associated with cold weather factors and stress on firefighters.. Understand the firefighter’s physiological response to cold weather conditions.. Recognize the signs of hypothermia and initiate the proper treatment.. © U.S. Coast Guard . Auxiliary Association. No attempts to add, modify or delete information contained within this document shall be made. If errors are discovered, please contact the U.S. Coast Guard Auxiliary’s National Training . Wet (rain, snow, ice, humidity) or wet clothes. Wind (wind speed 5 mph and higher). Lack of adequate shelter/clothing. Lack of provisions/water. Unit Leader’s and Instructor’s Risk Management Steps for Preventing Cold Casualties. Appears on many maps you will use.. Thickness. is the difference in geopotential height between two pressure surfaces.. To derive a relationship, start with the hypsometric equation (. Z. 2. – Z. Look at vertical distribution of geostrophic wind.. Identify thermal advection, and backing and veering winds.. Look at an example map.. Thermal Wind. 300 . hPa. . isotachs. of the geostrophic wind at 00 UTC.