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Hints of Indian Summer Today (Tuesday slush potential - looking better for Halloween)

Posted by: Paul Douglas Updated: October 26, 2013 - 7:17 PM

"...Sandy roared out of the Atlantic and struck the New York and New Jersey coasts on Oct. 29, 2012. The 1,000-mile-wide mashup of a hurricane and another huge weather system killed at least 182 people in the U.S., according to a count by The Associated Press, and caused an estimated $65 billion in damage..." - from an AP/ABC News story below. Image: NASA.


Midday Tuesday. NAM model (upper left) courtesy of Ham Weather; ECMWF model (upper right) courtesy of WSI.

 

Dueling Models

This is why I spend much of the day massaging my pet ulcer and plucking at grey, thinning wisps of hair on top of my aching head.

Weather models rarely agree. During the winter this numerical dysfunction becomes even more problematic. Which model has the best track record - which one do you trust?

NOAA's NAM model brushes southern Minnesota with a coating or inch of slushy snow Tuesday, while the ECWMF (European) model takes the brunt of the storm just south of Minnesota. Although the "Euro" tends to nail hurricanes and coastal storms, the NAM can't be dismissed.

I'm hedging my bet and mentioning a (slight) risk of a coating on Tuesday. With surface temperatures above freezing most roads would probably remain wet, but snow may accumulate on lawns, fields and slow-moving neighbors, mainly south of the MSP metro area. Check the weather blog for updates.

A second, more significant surge of southern moisture arrives Wednesday, when the atmosphere should be warm enough for all-rain. The good news: the back edge of the rain may be just east of town in time for a gray, damp, mostly-dry Halloween.

The Werewolf Watch remains in effect. Let's see if a Snow Advisory is issued for Tuesday, but right now I don't think it's going to be a big deal.


 

NAM: Slush Potential. Not buying it (yet), but the 12km NAM simulation shows a burst of wet snow, or a rain-snow mix, pushing across southern Minnesota Tuesday, with an inch or two of slush on lawns and fields. Although the ECMWF guidance shows most of the moisture sliding south of Minnesota we can't rule out a few hours of wet snow on Tuesday. Map: NOAA and Ham Weather.


ECMWF: No Big Deal. We will see which model emerges victorious, but the European looks thoroughly unimpressive, a very light period of snow on Tuesday, maybe a coating. By Wednesday, when the main surge of Gulf moisture arrives, the atmosphere should be warm enough for all-rain as highs push into the 50s. The bulk of the rain is forecast to push east of Minnesota on Halloween. Graphic: Weatherspark.


Soggy Halloween For Midwest, Great Lakes. Pint-size ghosts, goblins and zombies may need to waterproof their costumes on Thursday. GFS guidance shows a significant storm spinning up over Nevada, pushing across the Plains into the Great Lakes by Thursday, spreading rain into Des Moines, the Twin Cities, Chicago and Detroit. The East Coast remains dry until Friday, a storm pushing into the Pacific Northwest by the end of the week. GFS guidance above shows forecast pressure and 10 meter wind speeds, courtesy of NOAA and Ham Weather.


Atlantic Hurricane Season Quietest In 45 Years, Experts Say. Reuters has a good recap of the Atlantic hurricane-season-that-wasn't; here's an excerpt: "The 2013 Atlantic hurricane season looks set to go down as a big washout, marking the first time in 45 years that the strongest storm to form was just a minor Category 1 hurricane. There could still be a late surprise in the June 1-November 30 season, since the cyclone that mushroomed into Superstorm Sandy was just revving up at this time last year. But so far, at least, it has been one of the weakest seasons since modern record-keeping began about half a century ago, U.S. weather experts say..."


12 Strange Weather Features Of Superstorm Sandy. Yes, Sandy set a number of "firsts". AP has an eye-opening list, reported at The Fresno Bee; here's a clip:

3. SNOW: This is the first time the National Hurricane Center ever listed snow or blizzard in their warnings. Three feet of snow fell in West Virginia.

4. GREAT LAKES: It is unusual for 20 foot waves, large surges and tropical force winds to be recorded in the Great Lakes for a coastal tropical storm, but it happened with Sandy.

5. ENERGY: NOAA's Hurricane Research Division has an experiment program that measures integrated energy of a storm's surge and waves on a 0 to 6.0 scale. Sandy reached 5.8, passing Katrina as the highest recorded so far...

Image credit: "This Tuesday, Oct. 30, 2012 NOAA satellite image at 10:45 a.m. EDT shows Superstorm Sandy moving westward while weakening across southern Pennsylvania. With tropical storm force winds that extended for 1,000 miles, Sandy was the largest Atlantic system on record." NOAA — AP Photo.



Read more here: http://www.fresnobee.com/2013/10/25/3568241/12-strange-weather-features-of.html#storylink=cpy

Read more here: http://www.fresnobee.com/2013/10/25/3568241/12-strange-weather-features-of.html#storylink=cpy

A Year After Sandy, A Slow Recovery For Thousands. Here's an excerpt of a good overview from AP and ABC News: "A year after Superstorm Sandy catastrophically flooded hundreds of miles of eastern U.S. coastline, thousands of people still trying to fix their soaked and surf-battered homes are being stymied by bureaucracy, insurance disputes and uncertainty over whether they can even afford to rebuild. Billions of dollars in federal aid appropriated months ago by Congress have yet to reach homeowners who need that money to move on. Many have found flood insurance checks weren't nearly enough to cover the damage. And worse, new federal rules mean many in high-risk flood zones may have to either jack their houses up on stilts or pilings — an expensive, sometimes impossible task — or face new insurance rates that hit $10,000 or more per year..."


Editorial: Keep The Sense Of Sandy Urgency. A hurricane year like the one we just had can breed complacency. Long Island's Newsday reminds us that storms similar in scope to Sandy are inevitable in this editorial; here's a clip: "...Many still are caught in the storm's aftermath. Houses still are being demolished and repaired. Hundreds of exiled families have yet to return. Some businesses have yet to reopen. Our power company has a new structure with more accountability and big plans but still is vulnerable. Sandy taught us a lot. It taught us that a house near the water or with a view of it might not be an ever appreciating investment. It taught us that a damaged house or one with no power could put a family in crisis. It taught us that we were not prepared..."


Drought Could Worsen In Major Crop Area. AgWeb has the story; here's the introduction: "Despite widespread, harvest-slowing rains over a wide swath of the Upper Midwest in October, the long-term drought is expected to persist or intensify across much of Iowa, western Illinois, and northern Missouri, according to the U.S. Seasonal Drought Outlook, a joint publication of the National Drought Mitigation Center at the University of Nebraska-Lincoln, the National Oceanic and Atmospheric Administration, and USDA. Drought is also expected to persist or develop across the Southwest, western California, and parts of the western Corn Belt, including the western half of both Nebraska and Kansas, according to the outlook, released Oct. 17..."


Redefining The Meaning Of A "500 Year Flood". Two historic floods in the span of 5 years? The NewsTribune explains why many residents living along the Illinois River are groping for better ways to explain the extremes of recent years; here's a clip: "...Don't use the term "500-year flood" in front of people in Utica. The Illinois River has overflowed twice in five years and residents think scientists need a better term to chart the occurrence of floods. But ask two-time survivors about bouncing back from the April flood and most will acknowledge that experience has been a good teacher...."


Flood Insurance Surge Socks Residents. New York and New Jersey residents are still suffering through a hangover from Superstorm Sandy, which struck with an otherworldly fury on October 29, 2012. Reality is setting in, the form of radically higher flood insurance premiums, as the New York Post explains. Here's an excerpt: "Hurricane Sandy is about to sock unwary homeowners again. A report commissioned by the city has found that 35 percent of the 68,000 buildings required to carry flood insurance in newly expanded federal flood zones don’t have it. The cost of that insurance could be astronomical — $5,000 to $10,000 a year. The premiums had been averaging $429 a year. Those shopping for new insurance will have to pay the full freight immediately..."

Photo credit above: "Christine Cina and her dog amid what is left of her house on Staten Island, a year after Sandy blew through." Photo: Reuters.


U.S. Once Had Air Pollution To Match China's Today. Jack Williams provides some timely perspective in this story at The Washington Post's Capital Weather Gang. Here's an excerpt: "During the 1940s and 1950s some parts of the United States experienced pollution episodes like those now occurring across parts of China. And even on good days the air wasn’t as clean as it generally is now.

Related: Chinese city shut down by off-the-charts pollution

One of the worst of these episodes, and one that helped focus attention on U.S. air pollution, was the choking, deadly smog that covered Donora, Pa., in the Monongahela River Valley, 20 miles southeast of Pittsburgh from Oct. 27 to 31, 1948..."

Photo credit above: "On Oct. 30, 1948, Donora’s main business district was cloaked in smog, the sunlight virtually obliterated by thick low-hanging pollution." (Associated Press).


50 F. high in the Twin Cities Saturday.

53 F. average high on October 26.

39 F. high on October 26, 2012.

October 26 in Minnesota Weather History:

1943: Said to be one of the worst fogs in the Twin Cities in memory. A very dense area of fog, with an average of 75 feet in thickness, blanketed the area. At the worst, street lights could not be seen 25 yards away. Drivers refused to cross unmarked railroad crossings and traffic was brought to a standstill.

1931: Storm hits the Duluth area. Barometer falls to 29.02. Data courtesy of the MPX National Weather Service.


TODAY: Partly sunny. More hints of Indian Summer. Winds: W/SE 10-20. High: 57

SUNDAY NIGHT: Partly cloudy, turning colder. Low: 31

MONDAY: Patchy clouds, cooler again. High: 43

TUESDAY: Mostly cloudy, chance of a light mix. Slushy coating south? High: 39

WEDNESDAY: Warm enough for rain, steady and heavy at times. Wake-up: 35. High: near 54

HALLOWEEN: Wet start. Partial clearing by afternoon. Probably dry for Trick or Treating. Wake-up: 45. High: 53

FRIDAY: Mostly cloudy, windy & cooler. Wake-up: 37. High: 47

SATURDAY: Mostly cloudy and brisk. Wake-up: 33. High: 44

* photo credit above: Mike Hall.


Climate Stories...

Climate Change Could Put $6 Trillion In Fossil Fuel Reserves At Risk. And here is the biggest reason there is so much organized, manufactured skepticism about climate change. "If we don't acknowledge there's a real problem we can keep on drilling, and mining, and fracking!" Here's the intro to a story at Quartz: "The International Energy Agency last year warned that if humanity is to have any hope of avoiding catastrophic climate change, a third of the world’s fossil fuel reserves must be put off limits until 2050. That prompted HSBC Global Research to estimate that some oil giants could lose up to half their market value. In other words, we’re talking about trillions of dollars in revenues going up in smoke if governments ever get their act together and issue a no-burn order. Now 70 investors that control $3 trillion in global assets want to know what 45 multinational oil, coal and mining companies intend to do about $6 trillion in potentially “stranded assets...”


Acidification Of Oceans Threatens To Change Entire Marine Ecosystem. The Vancouver Sun has the article; here's the intro: "Ocean acidification due to excessive release of carbon dioxide into the atmosphere is threatening to produce large-scale changes to the marine ecosystem affecting all levels of the food chain, a University of B.C. marine biologist warned Friday. Chris Harley, associate professor in the department of zoology, warned that ocean acidification also carries serious financial implications by making it more difficult for species such as oysters, clams, and sea urchins to build shells and skeletons from calcium carbonate. Acidic water is expected to result in thinner, slower-growing shells, and reduced abundance. Larvae can be especially vulnerable to acidity. “The aquaculture industry is deeply concerned,” Harley said. “They are trying to find out, basically, how they can avoid going out of business...”

Photo credit above: "Ocean acidification due to excessive release of carbon dioxide into the atmosphere is threatening to produce large-scale changes to the marine ecosystem affecting all levels of the food chain, a University of B.C. marine biologist warned Friday." Photograph by: Nick Didlick , VANCOUVER SUN.


Arctic Temperatures Reach Highest Levels In 44,000 Years, Study Finds. Here's the intro to a LiveScience story at Huffington Post: "Plenty of studies have shown that the Arctic is warming and that the ice caps are melting, but how does it compare to the past, and how serious is it? New research shows that average summer temperatures in the Canadian Arctic over the last century are the highest in the last 44,000 years, and perhaps the highest in 120,000 years. "The key piece here is just how unprecedented the warming of Arctic Canada is," Gifford Miller, a researcher at the University of Colorado, Boulder, said in a joint statement from the school and the publisher of the journal Geophysical Researcher Letters, in which the study by Miller and his colleagues was published online this week..."


Climate Change Will Make Colorado's Millenial Rainstorm A Lot More Common. Here's an update from Quartz: "The rainfall that caused massive flooding in Colorado last month was a once-in-a-millennium event, according to a recent study (pdf). And climate change is making those kinds of extreme weather events more common. The impressively named Hydrometeorological Design Studies Center, a division of the National Weather Service, has concluded with greater than 90% certainty that the rainfall was millennial in nature. Here’s the chart for one rain gauge in Boulder, Colorado, that was inundated over seven days.."

Photo credit above: "Houses partially submerged last month in Longmont, Colorado." AP/John Wark


Elon Musk: Oil Campaign Against Electric Cars Is Like Big Tobacco Lobbying. The Guardian has the story - here's an excerpt: "Attacks on electric cars by the oil industry are on a par with misinformation campaigns promoted by big tobacco companies and vested interests undermining climate science, according to Elon Musk, the serial entrepreneur who founded PayPal and the brains behind both the space exploration company SpaceX and the electric sports carmaker Tesla Motors. The oil giants, he reckons, are attempting to sow the seeds of doubt. Speaking before the opening of Tesla's new luxury store in the Westfield shopping mall in Shepherd's Bush, London, last night, Musk told the Guardian: "It's kinda like the battle against 'big tobacco' in the old days, and how they'd run all these ads about how tobacco's no problem..."

Photo credit above: "Elon Musk in the new Tesla Model S high performance electric car in the showroom at Westfield London." Photograph: Sarah Lee for the Guardian.


Bad Climate Science In U.S. Schools: An Open Letter To Heartland and NIPCC. Those serial-misinformers and perpetual truth-twisters at The Heartland Institute are at it again. Now they're going after teachers, trying to convince them that climate science isn't "settled", that "there are two sides to this important story". Right. Here's a clip of an open letter to Heartland and "NIPCC" at Small Epiphanies:

Open Letter — October 2013

To: Diane Carol Bast,  Executive Editor, The Heartland Institute

Re: Release of Climate Change Reconsidered II: Physical Science

Dear Mrs. Bast,

Thanks for sending out your helpful, if somewhat self-congratulatory, memo to so many US teachers (PDF). Its subject is important: the NIPCC’s gripping sequel “Climate Change Reconsidered II”, a title as original as the ‘Not the IPCC’ nomenclature is witty.

While I’m sure nobody would question your organisation’s motive in wanting to reach out to so many young and impressionable minds (and I’m sure very few will conflate this initiative with Heartland’s sturdy defence of the embattled tobacco industry during the 1990s) there are some minor issues that might demand attention....


Adversaries, Zombies And "NIPCC" Climate Psuedoscience. There's a lot of (manufactured/sponsored) misinformation out there, as described in this post at Australia's The Conversation; here's a clip: "...IPCC reports openly discuss the strengths, weaknesses, criticisms and uncertainties of the science. The reports provide policy makers with a range of plausible outcomes given rising atmospheric CO2. Heartland’s NIPCC partially mimics the IPCC, but with key differences. It is written and reviewed by dozens of people, almost exclusively drawn from the “sceptic” community, and is consequently highly partisan. Indeed, the NIPCC advocates an adversarial approach to assessing climate science, with partisan “teams” arguing for different positions..."

Photo credit above: "Dead science lives on, thanks to the Non-governmental International Panel on Climate Change." Scott Beale.

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