FIGURE 6.2 Photograph taken on March 29, 2004, from the site of the Sulphur Mountain NEXRAD looking approximately southeast toward the City of Los Angeles. SOURCE: Julie Demuth, National Research Council.

also be factored into the flash flood warning process. When it becomes clear that the conditions are ripe for the potential for flash flooding, the NWS Los Angeles-Oxnard Weather Forecast Office (WFO) has the primary responsibility for issuing flash flood warnings to the public. The process for communicating and disseminating warnings to the community is complex, involving not only the NWS, but other government and private agencies as well. The end-to-end process of formulating, issuing, and disseminating flash flood forecasts, watches, and warnings to the Los Angeles and Ventura County communities is documented in the following sections.



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