Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

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Rainfall Summary: September 10-18, 2013

The table below is a comprehensive list of the more significant precipitation reports that were received for the 9-day event period.

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Location (source)	Precipitation Total (in)
Bandelier National Monument (HCN)	7.93
Los Alamos 2.6 W (CoCoRaHS)	7.67
LANL (Mesonet)	7.56
Los Alamos 6.1 SE (CoCoRaHS)	7.27
White Rock 1.5 NNE (CoCoRaHS)	6.71
Los Alamos 0.9 SW (CoCoRaHS)	6.68
Los Alamos Airport (AWOS)	7.05
Los Alamos (COOP)	5.34
ABQ Valley (COOP)	3.00

Impact Summary

Location	Date	Summary
N/A

Hydrologic Summary

There are no reporting locations in the Advanced Hydrologic Prediction Service database within Los Alamos County therefore no hydrographs are available for review.

Photos

Heavy rain and flooding created landslides in portions of Los Alamos and Sandoval counties. A large boulder is seen here that slid down the hillside adjacent to NM Highway 4. Image by Phil Taylor.

Heavy rain and flooding created landslides in portions of Los Alamos and Sandoval counties. A large boulder is seen here that was dislodged and slid down the hillside adjacent to NM Highway 4. Image by Phil Taylor.

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Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

NWS ABQ - 2013 September Flooding-Los Alamos County