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Monsoon Moisture Brings Flooding Threat to the Rockies and Front Range

4 Aug 2021, 1:25 pm

The last few weeks have brought monsoonal moisture over most of the Four Corners region. Arizona, Colorado, New Mexico and Utah have also received a good amount of rain throughout the last week. In fact, the month of July was the wettest on record for some. The upper level pattern will remain favorable for more rain today (Wednesday), but unfortunately the threat for flooding, in the Rockies and Front Range.

For cities like Tucson, Arizona, July 2021 was the wettest month on record!

As an upper level ridge builds into the southwestern United States we will take a brief break from all the monsoonal rain across states like Utah, Nevada and Arizona. An upper level low will linger over the Rocky Mountains to keep rain in the forecast for states like Colorado, Wyoming and New Mexico.

Flood Alerts

Flash flood watches are in place for northeastern New Mexico as additional rainfall could prompt flash flooding, especially over recent burn scars.

Excessive Rainfall Outlook

Excessive Rain Outlooks are centered along the southern I-25 corridor. Shaded areas could receive enough heavy rain to get brief flash flooding or debris flows. Never drive through flooded washes or water-covered roads!

We will likely see 1-2″ of rainfall in any thunderstorm that develops but in some locations, up to 3″ of rain will be possible.

Forecast

We start to see monsoonal moisture migrate north, located west of a surface trough and developing low pressure center. Showers will develop thanks to recycled moisture for New Mexico and Colorado.

Storms will be most numerous in the afternoon and early evening hours, bringing the threat for heavy rain and flooding. Rain will diminish by the overnight.

More updates are on the way on WeatherNation and in your Western Regional Forecast at :50 past the hour!

About the author
Alana Cameron was born and raised in Canada in the city of Mississauga, just outside of Toronto. Alana is the oldest of 4 siblings, all close in age, and grew up playing outside with them in all types of weather. After graduating high school, Alana moved to study at the University of British Columbia in Kelowna for a year before transferring to Dalhousie University in Halifax, Nova Scotia where sh... Load Moree completed a Bachelor of Science in Physics and Atmospheric Science. Upon completion, Alana moved back to Toronto where she completed a post-grad degree in Meteorology at York University. After her post-grad, she went on to complete another post-grad in Broadcast Journalism - TV News at Fanshawe College in London, Ontario. During her final year of studies she had the privilege of interning with the best in the business in Canada at The Weather Network. Once she finished her internship, she got the call from small-town Denison, Texas where she accepted a job as an on-air meteorologist at KTEN-TV, right in tornado alley, covering severe weather from Sherman/Denison (North Texas) to Ada (Southern Oklahoma). After the most active tornado season Oklahoma had seen in May 2019 (105 tornadoes!) Alana is excited to join WeatherNation to cover weather all across the nation. If you're interested in following her on social media she can be found @alanacameronwx!