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The study of how the earth's atmosphere works, including weather forecasting. Use this tag for questions about the earth's weather. When asking questions specifically about the atmosphere, also include the [atmosphere] tag.

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Hurricanes make "landfall" when the center of the eye moves over land. From the NOAA National Hurricane Center glossary: Landfall: The intersection of the surface center of a tropical cyclone …
answered Aug 26 '17 by farrenthorpe
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The readme file for all the datasets has a section on units. In this section, they describe how to interpret the numbers (which exclude decimal points in the data files). For the "number of days" …
answered Dec 28 '15 by farrenthorpe
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The icons that are used are really just a visual way of describing the phrasing that is used in the forecast. You can see an example of one set of icons offered by Weather Underground here. And they …
answered Jan 10 '17 by farrenthorpe
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From http://www.srh.noaa.gov/eax/?n=holtmorecrain1947 A very moist airmass was in place across Missouri during the afternoon and evening of 22 June 1947, as evident by dewpoint temperatures in the …
answered Sep 17 '15 by farrenthorpe
4
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The atmosphere is dynamic both horizontally and vertically. You cannot provide services like weather forecasts without a true measurement of the atmospheric conditions in the troposphere and stratosp …
answered Nov 23 '14 by farrenthorpe
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Many good data sources will come with a UTC offset column. This is helpful for harmonizing time zones since you can simply reverse the UTC offset to make a unified UTC dataset. If your data doesn't …
answered Feb 3 '16 by farrenthorpe
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The equal-area projection used to create the continental U.S. grid for weather forecasting does not represent lines of latitude and longitude as straight lines. Instead, they are curved (note the Can …
answered May 9 '16 by farrenthorpe
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Most Earth-Science models are comprised of several sub-models that are developed by multiple members of the international community, requiring an open-source framework to be successful long-term. How …
answered Sep 17 '15 by farrenthorpe
4
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Seasons are determined by the degree of tilt of the planet's axis, not the mass of the atmosphere. Mars has an axial tilt slightly larger than Earth, so Mars' seasons are slightly more pronounced tha …
answered Jul 4 '14 by farrenthorpe
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Hot deserts are usually in a location where several factors are all occurring together: the elevation is near sea level (this ensures enough atmospheric heating) the latitude is not near the poles ( …
answered Jun 11 '16 by farrenthorpe
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The urban heat island (UHI) effect scales with population of a metropolitan area... the bigger the city the larger the UHI effect. UHI is not due to more heat being generated through anthropogenic ac …
answered Jul 2 '14 by farrenthorpe
6
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As a USA resident, the EPA is the best place to start when wondering about the emissions inventory of atmospheric pollutants or pollutant precursors that affect the National Ambient Air Quality Standa …
answered Dec 24 '14 by farrenthorpe
9
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This question might be better suited for GIS stack exchange... but I'll take a shot: dx and dy are the distance per grid cell in the projected grid units, which is part of your grid definition. ref_ …
answered Nov 5 '14 by farrenthorpe
6
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The original question asked why there were no hurricanes in the southern hemisphere. The answer given: It really is just a naming convention based on location. You can see in the wikipedia article …
answered Nov 13 '14 by farrenthorpe
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Temperature inversions are important to meteorology and pollution because they are the boundary for atmospheric mixing. If there is a strong inversion, the air above and below an inversion do not …
answered Dec 14 '16 by farrenthorpe

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