16.07.2021 | History

5 edition of Fire weather... found in the catalog.

Fire weather...

a guide for application of meteorological information to forest fire control operations

  • 1944 Want to read
  • 324 Currently reading

Published by Administrator in U.S. Department of Agriculture

  • United States
    • Subjects:
    • U.S. Department of Agriculture

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      • nodata

        StatementU.S. Department of Agriculture
        PublishersU.S. Department of Agriculture
        LC Classifications1977
        The Physical Object
        Paginationxvi, 134 p. :
        Number of Pages71
        ID Numbers
        ISBN 10nodata
        2Agriculture handbook -- 360.

        nodata File Size: 6MB.

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Fire weather... by U.S. Department of Agriculture Download PDF EPUB FB2

al, 2010 quantified the fuel moisture trends for grass fuels and established a grass fuel moisture model that is produced only with hourly data. Research in Ontario Kidnie et. Finally, wind can increase the spread of fire by blowing hot embers to new areas outside of the parent fire.

Fire Weather Index (FWI) System

As shown in this graph, the FWI integrates the influences of spread ISI and fuel flammability BUI to produce a unitless index of potential fire intensity and prospect for extreme fire behavior. Forecasted winds will frequently need adjustment because they are representing a wind other than mid-flame, such as ridgetop or surface winds.

Lightning should be reported immediately to alert fireline supervisors to take appropriate precautions and to cue meteorologists to review their lightning detection tools. Note the Type of Instruments Used Record whether the observations were made with an electronic weather sensor or traditional sling psychrometer.

Clouds that reveal variations of instability in the atmosphere, as follows:• There are two other tabs,showing Fire weather. weather and NFDRS data up to 10 years ago, anddisplaying forecasted NFDRS indices generated from NWS and forecasted gridded Fire weather. data. The Fire Weather Index FWI integrates current ISI and BUI to produce a unitless index of general fire intensity potential.