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| National
Weather Service Forecast Office |
| Tucson,
Arizona |
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| Cyclone: |
Hurricane
Heather |
| Date
it affected AZ: |
October
6-9, 1977 |
| Affected
Arizona as...: |
Remnants
(dissipated near Punta Eugenía, Baja Sur, Mexico) |
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| Four days
of torrential rains from this dissipating tropical system led to the worst
flooding ever experienced on the Santa Cruz River up to that point (this
flood would be eclipsed just six years later with Tropical Storm Octave).
Although 8.30 inches was the heaviest recorded rainfall from Heather in
Nogales, AZ, an estimated 10 to 14 inches of rain fell in the mountains
near Nogales and in extreme northern Sonora, with widespread rains of 3
to 6 inches over Santa Cruz, eastern Pima, and southern Cochise Counties.
This sent virtually all rivers and washes in the area above their 100-year
flood levels. Record flows were recorded on the Santa Cruz River with considerable
bank erosion along the San Pedro River and several rivers in eastern Pima,
Santa Cruz and Cochise Counties. Over 400 people were evacuated from their
homes, with total damage of at least $15 million. |
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