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Contents: General Information | Forecasting | Wind chill/Heat Index | Weather modeling | Glossary Related pages: High Altitude Guide | Temperature Indexes (wind chill, heat index)
Air density as a function of altitude.
Hypoxia is the effects of an insufficient supply of oxygen to the body. Every person can have different symptoms when suffering from hypoxia (U.S. Air Force aircrews are required to take an altitude chamber ride every three years to reinforce and identify their hypoxic symptoms). Some of the common symptoms are: lightheaded sensation, dizziness, reduced vision, and euphoria. 20,000' 5-12 min. 25,000' 3-5 min. 30,000' 1-2 min. 40,000' 9-15 sec. Note: The boundaries of these areas vary depending on the source.
Source: TheOzoneHole.com/atmosphere.htm See also Satellites and the International Space Station
Weather Forecasts: Government: Natl Weather Svc (NWS) Northern California at wrh.noaa.gov/sto/ Truckee forecast at NWS forecast.weather.gov Hydrometeorological Prediction Center (HPC) at (The National Centers for Environmental Prediction) hpc.ncep.noaa.gov HPC Quantitative Precipitation Forecasts 5-day precipitation forecast image Northern California at the National Weather Service by the U. Utah Current Tahoe Conditions from the Forest Service Commercial: The Weather Channel AccuWeather Weather Central Pacific Coast Satellite Other California Weather West Tahoe Weather Links Temperature Indexes (wind chill, heat index) Average Relative Humidity and Heat Index (HI) for large cities Frostbite and Hypothermia: Heat Related Conditions: Modeling: El Niño-Southern Oscillation (ENSO) is a quasi periodic climate pattern that occurs across the tropical Pacific with a roughly 5 year cycle. It is composed of an oceanic component, called El Niño (or La Niña), which is characterized by warming or cooling of surface waters in the tropical eastern Pacific Ocean. ENSO Alert System: El Niño Advisory See National Weather Service Glossary 12z - 12:00 zulu (UTC) - Time of day a weather model is run A model is typically run at 4 cycles per day (i.e., 00Z, 06Z, 12Z, and 18Z). CICS - Cooperative Institute for Climatic Studies CPC - Climate Prediction Center CTB - Climate Test Bed COLA - Center for Ocean-Land-Atmosphere Studies ENSO - El Niño-Southern Oscillation El Niño - A warming of the ocean current along the coasts of Peru and Ecuador that is associated with dramatic changes in the weather patterns of the region. ESRL - Earth System Research Laboratory ESSIC - Earth Systems Science & Interdisciplinary Center GFS - Global Forecast System - One of the forecast models run at NCEP GRAD - Gradient- A rate of change with respect to distance of a variable quantity, as temperature or pressure, in the direction of maximum change. GrADS - Grid Analysis and Display System GRIB - HPC - Hydrometeorological Prediction Center at NCEP kt - Knot- Unit of speed used in navigation, 1 kt = 1.15 MPH La Niña - Weather caused by nusually cool temperatures in the equatorial Pacific. MESO - Mesocyclone- A storm-scale region of rotation Mesoscale - The middle of three scales used to describe the size range of atmospheric processes. The mesoscale covers the range from a few kilometres to a few tens of kilometres. MOS - Model Output Statistics - a technique used to objectively interpret numerical model output. NAM - The operational North American Meso-scale forcasting system (formerly Eta) Study of atmospheric phenomena on a large scale NCEP - National Centers for Environmental Prediction at NOAA NOAA - National Oceanic and Atmospheric Administration NOMADS - National Operational Model Archive And Distribution System at NOAA NWS - National Weather Service at NOAA OSDPD - Office of Satellite Data Processing and Distribution at NOAA PPT - precipitation SST - Sea Surface Temperature UTC - Universal Time Coordinated WRH - Western Regional Headquarters of the National Weather Service Z time - Zulu time same as UTCLinks: Satellites and the International Space Station Atmosphere at TheOzoneHole.com Oxygen in the Atmosphere Atmosphere of Earth at Wikipedia Orbits at NASA.gov Hurricanes | Tornadoes Global Warming/Climate Change Earth's atmosphere protects life on Earth by absorbing ultraviolet solar radiation - From the New Universe Greenhouse Gases Satellite - Software: Satellite tracking X XM & Sirius in Orbit
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