December 15 Hurricane Iowa Werecho Serial, Different from 2020

16 months, and officially two derechos in Iowa. Let’s hope this isn’t the new standard.

The National Weather Service Storm Prediction Center confirmed hurricanes affecting Illinois, Iowa, Kansas, Missouri, Nebraska and Wisconsin on Wednesday, December 15, 2021 as part of a mass strike. It’s a different kind of thing with an impact on a large swath of the Midwest on August 10, 2020. NWS also reported that it was “the first derecho explosion to occur in December, anywhere in the United States.” Lucky for us.

Follow National Weather ServiceIn this case, a serial derecho explosion usually occurs in the spring and fall, despite being the last week of fall. They continued to say,

The serial reverberation is produced by many arc reverberations embedded in a large straight line (often hundreds of miles long) that sweeps across a very large area, both wide and long.

This type is often combined with a sturdy upper trough with a strong surface low pressure system.

That is certainly what we saw last Wednesday and has led us Ask questions immediately whether we get hit by another derecho or not.

Last week’s storms were created strong wind from 86 mph in Winnebago County to 70 mph at Iowa City Airport to 66 mph at East Iowa Airport in Cedar Rapids. While those things pale in comparison estimated wind 140 mph impacted Cedar Rapids in August 2020, the storms resulted in enough damage to prompt Iowa Governor Kim Reynolds to place 50 of Iowa’s 99 counties in a disaster declaration.

The National Weather Service A total of 57 tornado reports, 22 hail reports and 561 wind reports were linked to last Wednesday’s mass explosion. This is the radar loop as the storms move over central and eastern Iowa.

August 10, 2020 derecho, The most expensive thunderstorm event in US history, is a progressive derecho. The National Weather Service say a progressive derecho is,

involving a relatively short stream of thunderstorms; Typically, 40-250 miles (65-400 km) in length.

Progressive Derecho.
Predominantly occurring in the summer, these reverberations are often associated with a stationary front where superior airflow is parallel to a stationary front.

Progressive derechos can travel hundreds of miles along a relatively narrow path compared to serial derechos.

The third type of derecho is called a “hybrid” and has features of both serial and progressive derechos. Let’s just hope we don’t see either of those, or a repeat of a series or a progressive derecho, any time soon.

Last August, I had a hard time trying to pronounce the word “derecho”. Unfortunately, I’ve had to practice a lot to master it ever since. If you’re still fighting it, here’s the pronunciation in print: deh-REY-cho. Here is the perfect sound pronunciation and further explanation of derechos. I really hope we don’t have to say this word again and talk about its consequences, anytime in the near future.

SEE: The most expensive weather and climate disasters of recent decades

The stacker ranks the most costly climate disasters in the billions since 1980 by the total cost of all damage, adjusted for inflation, based on Data for 2021 from the National Oceanic and Atmospheric Administration (NOAA). The list begins with Hurricane Sally, which caused $7.3 billion in damage in 2020, and ends with the devastating 2005 hurricane that caused $170 billion in damage and killed at least 1,833 people. Keep reading to discover the 50 most expensive climate disasters of recent decades in the US

CONTINUE READING: Get answers to 51 of the most frequently asked weather questions…

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