WEATHER NOTE: Unusually Heavy 24-Hour Rainfall at Workman Creek 1, Arizona

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  • 1 Climatologist for Arizona, National Weather Service, NOAA, Phoenix, Ariz.
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Abstract

On Sept. 5, 1970, 10.99 in. of rain fell in 1 observational day at the National Weather Service cooperative station known as Workman Creek 1, Ariz. A 30-yr series of observations is analyzed to estimate the return period of this unusually large rainfall amount. It is concluded that the return period for this event is well in excess of 500 yr.

Abstract

On Sept. 5, 1970, 10.99 in. of rain fell in 1 observational day at the National Weather Service cooperative station known as Workman Creek 1, Ariz. A 30-yr series of observations is analyzed to estimate the return period of this unusually large rainfall amount. It is concluded that the return period for this event is well in excess of 500 yr.

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