00:00A surge of monsoon moisture from Mexico is moving into the western United States.
00:04The moisture is expected to fuel showers and thunderstorms across the southwest and Rockies.
00:10Arizona, New Mexico, and Colorado face an increased risk of repeated downpours and flash flooding.
00:16Parts of western Texas are also within the area of concern.
00:19Heavy rain already triggered multiple rescues in Tucson, Arizona, on September 14.
00:25Repeated storms could quickly flood normally dry washes in low-lying areas.
00:30Mountain terrain may also increase rainfall, and the threat of debris flows near burn scars.
00:35The multi-day rainfall could make flooding risks worse as runoff builds.
00:39The region is also facing severe drought across the Colorado River Basin.
00:43Lake Powell is currently at just 21% of its capacity.
00:47Lake Mead is at 27%, reflecting ongoing water shortages.
00:52Rain could provide some beneficial runoff to the Colorado and Rio Grande systems.
00:56But forecasters warn that repeated heavy rainfall could disrupt roads and travel.
01:01The monsoon surge may be one of the final major storm patterns of the season.
01:06Disclosure.
01:07This video contains stock footage and content created or enhanced using AI-assisted tools.
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