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Detailed alert information for flash flood watch.
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There are two unique instances of flash flood watch.
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Describing the 1st one.
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What? Flash flooding and debris flows caused by excessive rainfall are possible over the burn scar.
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Where? A portion of northeast Washington, including the following area and county: Spokane.
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Glenn, from 02:00 a.m.
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Pacific daylight time Sunday through Sunday afternoon,
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moderate to heavy rainfall over the burn scar is expected to develop Sunday morning.
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Rainfall rates of zero,
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30 " per hour will be possible Sunday morning then decreasing to zero,
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ten " per hour Sunday afternoon.
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Rainfall amounts could exceed zero,
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50 " by midday Sunday.
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Residents near the burn scars should prepare for potential debris flow moving through the old trails and Autumn Lane.
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Be sure to stay updated with information from local authorities.
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Heavy rainfall could trigger flash flooding of low lying areas, urbanized street flooding, and debris flows in and near recent wild fire burn scars.
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Storm drains and ditches may become clogged with debris.
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Additional details: National Weather Service meteorologists are forecasting heavy rainfall over the burn scars, which may lead to flash flooding.