Author Topic: Weather in the USA 2020.  (Read 878 times)

Offline mark

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https://www.sott.net/article/434760-10000-residents-flee-Michigan-county-after-TWO-dams-fail-in-a-single-day-unleashing-massive-flood

Michigan Governor Gretchen Whitmer has declared a state of emergency for one county after two dams breached on the same day, warning that downtown Midland could be under nine feet of water in just 12 hours as thousands evacuate.

Both the Edenville and Sanford dams near Midland breached on Tuesday after several days of heavy rainfall, sending a torrent of water downstream along the Tittabawassee River and prompting the governor to issue an evacuation order for the area's 10,000 or so residents.

"If you have not evacuated the area, do so now and get somewhere safe," Whitmer said in a statement, noting the state's National Guard had been activated and warning the city of Midland could be devastated by flooding as soon as Wednesday.

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https://www.sott.net/article/435824-Gulf-Coast-central-US-bracing-for-torrential-rains-flooding-from-tropical-storm-Cristobal

Now moving north over the warm waters of the open Gulf of Mexico, Tropical Storm Cristobal is expected to gather strength as it heads toward an expected landfall in or near Louisiana late Sunday. Even before it moved off the Yucatan Peninsula, Cristobal was upgraded from a tropical depression to a tropical storm early Friday afternoon. Cristobal is a large, impressively organized tropical storm that will bring widespread impacts to the U.S. Gulf Coast.

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Glacier National Park blames the late opening on “guidance from the CDC.” (See note at bottom of page.) What a laugh!

_____________

In Glacier National Park in Montana, the Going-to-the-Sun Road is still not open due to on-going snow removal efforts slowed because of such a heavy snowfall this past winter. And with the recent cold weather and terrible conditions still on-going, this year is likely to break the current record for latest opening, which is 2011 ( July 13th).


Clearing of Going-to-the-Sun Road in Glacier National Park, MT. Credit: NPS
Since records began, Going to the Sun road has experienced only five openings in July: July 1, 2007, July 2, 2008, July 10, 1943, July 13, 2011, and July 15, 1933.

Notice that three of the five late openings have taken place in the last 13 years. This will make the fourth.


 
More and more snow later and later in the year. This is how ice ages begin!

Here’s a press kit from Glacier National Park showing open and close dates:
https://www.nps.gov/glac/learn/news/upload/Logan-Pass-Open-Close-Dates_Press-Kit-6-26-2017.pdf

Why such a late opening?
Road-clearing crews encountered 80-foot (20.4-meter) snowdrifts:
https://snowbrains.com/plow-crews-80-feet-snow-drifts-going-sun/

The most snow in 30 years
https://snowbrains.com/months-plowing-glacier-national-park/
« Last Edit: July 12, 2020, 08:15:02 AM by mark »

Offline mark

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RECORD-SETTING SUMMER-CHILL ENGULFS THE U.S.
« Reply #23 on: August 10, 2020, 06:17:50 PM »
Temperature departures as much as 12C below the seasonal average will continue to grip central and eastern regions as the weekend approaches:



GFS 2m Temp Anomalies to Fri, Aug 7 [tropicaltidbits.com].


The National Weather Service says both daily and monthly low temperature records are under-threat, particularly in Southern and Midwestern regions.

https://electroverse.net/record-setting-summer-chill-engulfs-the-united-states/


August is usually a hot box of sweat and humidity in this part of the world, but this unseasonable-chill comes during what has [so far] been a historically cold start to the month across the Show-Me State.

Kansas City is also threatening all-time August lows.

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Heatwave conditions hamper US fire crews
« Reply #24 on: August 16, 2020, 09:34:13 AM »
Heatwave conditions hamper US fire crews
Wildfires erupt as hotter, tinder-dry weather sets in across southern California.

14 Aug 2020
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Crews scrambled to protect homes from a huge wildfire that prompted evacuations to the north of Los Angeles, and officials warned the blaze could flare up again as a blistering heatwave descended on California.

The fire exploded in size within hours after it broke out in dense forest on Wednesday, sending up a towering plume of smoke visible for hundreds of kilometres around.

Flames raced across ridges and steep slopes, including in some areas that had not burned since 1968, fire officials said. By Thursday night, the blaze still threatened more than 5,400 homes and had charged through 44.5 square kilometres (17 square miles) of brush and forest land.

The fire was fed by tinder-dry brush in steep terrain, but its ferocity approached that of wind-driven blazes that usually erupt when gusty Santa Ana winds arrive later in the year, said county Deputy Fire Chief David Richardson.

The blaze was only 6 percent contained. Light winds and scattered thundershowers early in the day did help firefighters tame the flames somewhat. However the short term forecast is for hot, dry weather with "near critical" fire conditions because of possible gusty winds.

"This will be a major fire for several days," said Chief Robert Garcia with the US Forest Service.


Officials are preparing for the possibility of more extremely dangerous fires as the heat increases and humidity levels drop, fire officials said in a statement.

The area was expected to have temperatures of about 35 degrees Celsius (mid-90s Fahrenheit) or higher through the weekend.

Evacuation centres were designated for residents and animals, but because of COVID-19 concerns people have been told to stay in their cars in the parking lots.

About 100 rural homes were evacuated in the Lake Hughes area of the Angeles National Forest, some 97km (60 miles) north of downtown Los Angeles.

Preliminary damage assessments found at least three structures were burned, but authorities warned the toll is likely to be higher.

Kenny Reynolds lost his home. The fire came down the hill and across the street "engulfing on both sides", he told KABC-TV.


Reynolds and others retreated "and then it just kind of rolled in", he said. "It was taking everything as it kind of went down."

The cause of the blaze, dubbed the Lake Fire, is under investigation. It is one of several wildfires burning in the region.

SOURCE: AL JAZEERA AND NEWS AGENCIES

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Helicopters rescue hundreds trapped by California wildfire
« Reply #25 on: September 07, 2020, 07:21:53 PM »
https://www.aljazeera.com/news/2020/09/military-helicopters-rescue-dozens-trapped-california-wildfire-200906145104607.html

More than 200 people have been airlifted to safety after being trapped by a fast-moving wildfire near a popular recreation area in northern California, according to officials.

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Denver – Earliest =freeze on record
« Reply #26 on: September 11, 2020, 07:05:45 PM »
Ties one other date for the earliest freeze on record going back nearly 150 years.

Denver’s temperature plunged from 93 degrees on Monday to 32 degrees on Tuesday. It’s a tie with September 8, 1962, for the earliest freeze on record going back nearly 150 years.

The National Weather Service has recorded six other days since 1872 where the temperature dropped by 60 degrees or more in Denver, but they were all during the winter.

https://www.foxnews.com/weather/denver-earliest-freeze-on-record?cmpid=prn_newsstand

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Both record cold and record snowfall in South Dakota
« Reply #27 on: September 11, 2020, 07:14:13 PM »
Also the earliest measurable September snowfall ever. To add to the misery, this all came after 100-degree temperatures on Saturday in Rapid City.

__________

This was the earliest measurable snow in downtown Rapid City in September since 2014,  according to meteorologist Matt Gonterak. The city’s previous record of 1.6″ was set on Sept. 11, 2014 .

Tuesday’s weather set a record for a daily low in downtown Rapid City at 31 degrees. The previous record was in 1929 when downtown’s low was 34 degrees.

In fact, multiple records were set in Downtown Rapid City and at the Rapid City Regional Airport on Monday September 7th, 2020:

Downtown Rapid City

Record Daily Low: 31°F (The previous record of 34°F was set in 1929)

Record Daily Precipitation: 0.97″ (Previous record of 0.55″ set in 1951)

Record Daily Snowfall: 1.0″ (No previous snow record for September 7th, 2020)

Earliest freezing temperature: September 7th, 2020 (Previous earliest freezing temperature : September 11th, 1921 and on September 11th, 2014)

September 7th, 2020 set a record for the earliest measurable snow in Downtown Rapid City (Previous record September 11th, 2014 of 1.6″)

Rapid City Regional Airport

Record Daily Low: 32°F (Previous record 34°F in 1986)

Record Daily Precipitation: 0.96″ (Previous 0.86″ in 1946)

Earliest freezing temperature: September 7th, 2020 (Previous: September 9th, 1962/September 9th, 2001)

Other records that could be broken by the impending snowfall:

Snowiest September. (In 1927, Rapid City saw four and eight tenth inches.)
The northern part of the Black Hills saw the highest amounts. The National Weather Service reports Lead saw ten inches, while Deadwood saw six inches. Keystone, near Mount Rushmore in the central Black Hills saw four inches. Rapid City received a little over an inch.

https://www.blackhillsfox.com/2020/09/08/september-snow-in-rapid-city-breaks-records/

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500,000 evacuated from Oregon as fires engulf US West Coast
« Reply #28 on: September 11, 2020, 07:18:52 PM »
https://www.aljazeera.com/news/2020/09/500000-evacuated-oregon-fires-engulf-west-coast-200911034950340.html

Some 100 wildfires are raging across the western US - many uncontained - with at least 16 people confirmed dead

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Massive clouds of mosquitoes kill cows, horses in Louisiana
« Reply #29 on: September 14, 2020, 07:10:16 PM »
Killing large animals by the hundreds.

Swarms of mosquitoes have killed cows, deer, horses and other livestock in Louisiana after rain from Hurricane Laura led to an explosion in the pests’ population.

Thousands of mosquitoes have attacked animals as large as bulls.

“As soon as you would walk outside, your legs would turn black from the sheer amount of mosquitoes,” said Jeremy Hebert, a LSU AgCenter agent in Acadia Parish.

‘Vicious little suckers’: Massive clouds of mosquitoes kill cows, horses in Louisiana after Hurricane Laura
https://www.usatoday.com/story/news/nation/2020/09/10/louisiana-mosquito-swarms-kill-cows-horses-after-hurricane-laura/3460503001/

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Kansas City smashes cold record set more than 100 years ago
« Reply #30 on: September 14, 2020, 07:12:54 PM »
That was two days ago. Then they smashed another record yesterday.

Two days ago, on Sept 9, Kansas City set a new record coldest high temp of just 54 degrees, smashing the old record of 66 degrees set in 1907.

Yesterday KC had another record cold high temp of 56 degrees. Normal high is 82.

https://twitter.com/NWSKansasCity/status/1303949712173588480

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Hurricane Paulette rolls toward Bermuda as Sally approaches US
« Reply #31 on: September 14, 2020, 07:20:15 PM »
https://www.aljazeera.com/news/2020/09/hurricane-paulette-rolls-bermuda-sally-approaches-200913195252968.html.
Paulette expected to bring storm surge, coastal floods and high winds to Bermuda; Storm Sally approaches US Gulf Coast.


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