Catastrophic Flooding Possible

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These rainfall amounts -- nine inches near Tucson -- are more than two thirds of the amount of rain they receive in a year. If this forecast is anywhere near correct, catastrophic flooding will occur in Arizona and New Mexico, including highway washouts.

Whatever you do, do not drive into flooded areas. If you live near a wash or other watercourse, be prepared to evacuate to higher ground immediately at the first sign of flooding.

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