Currently in Denver - August 18, 2022

The weather, currently.

Mid 80s and sunshine for Thursday, August 18th

We are drying out for a brief period of time. We see no storms in the forecast for Thursday. That's a good time to get anything done outside because more rain is coming back into the forecast for the end of the work week. So grab those sunglasses and enjoy!

*I also want to note the next drought monitor comes out Thursday afternoon. If you are as curious as me as to how the recent downpour on Monday and Tuesday helped our drought conditions, I'll have a report for you to look through on Thursday night's newsletter.

Here's your forecast for Thursday:

1) Brief dry period. Sunny through the day.

2) Temperatures in the mid 80s.

3) Rain comes back into the forecast for the end of the week.

Megan Montero

What you need to know, currently.

Every winter, atmospheric rivers flow off the Pacific ocean towards California, many of them carrying more suspended water through the air than the largest terrestrial rivers on earth. In 1862 a series of atmospheric rivers proved disastrous for the Western United States, bringing catastrophic and unprecedented flooding to Oregon, California, and Nevada.

In 2010, scientists began a study they called the ArkStorm Scenario, named for the biblical flood, to account for the effect of climate change on these worst case scenarios floods.

According to the geologic record, these floods — caused by a quick succession of atmospheric rivers — occur every 150 to 200 years in California. A new study in Science Advances suggests that climate change has doubled the chances of this kind of catastrophic flooding occurring within the next four decades.

“The last time government agencies studied a hypothetical California megaflood, more than a decade ago, they estimated it could cause $725 billion in property damage and economic disruption,”  writes Raymond Zhong in the New York Times. “That was three times the projected fallout from a severe San Andreas Fault earthquake, and five times the economic damage from Hurricane Katrina, which left much of New Orleans underwater for weeks in 2005.”