Flash Flood Forecasting Over Complex Terrain With an Assessment of the Sulphur Mountain NEXRAD in Southern California (2005) / Chapter Skim
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9 Concluding Thoughts
9 Concluding Thoughts
Pages 146-148
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From page 146... ...
The principal shortcoming of the system for radars sited in complex terrain, such as that around Los Angeles, is the essentially unavoidable gaps in radar coverage. These gaps are due primarily to the effects of Earth's curvature or blocking of the radar beam by intervening terrain, and the consequent inability of the beam to reach down into some low-lying areas.
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From page 147... ...
An apparent shortcoming of the LOX office in its average warning lead time compared to the national average is misleading, because warning times tend to be shorter in steep terrain such as that around the Los Angeles area. That is reflected in the NWS Western Region 2004 goal for flash flood warning lead time, which the LOX WFO has routinely exceeded.
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From page 148... ...
in the flash flood warning efforts.
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