Accuweatherquote:First Frost on the Way for Some Northern States
The chilliest air since last spring will sweep into part of the northern U.S. and neighboring Canada, bringing the first frost of the season to some locations.
A large area of high pressure will build southward from northern Canada and will roll into the northern Plains, Midwest and Northeast U.S. this week.
The much cooler air will first pour into the northern Plains and Canadian Prairies today into Tuesday and will spread into the Northeastern U.S. during the second half of the week.
The forecast magnitude of the chilly shot and the overall high pressure area is a little early for the time of year but has happened before.
The average date of the first frost or freeze is just that, an average.
According to Agricultural Meteorologist Dale Mohler, the greatest risk of damaging frost is over the Upper Midwest.
"The core of the chilly air and necessary clear skies and light winds for frost lies from the eastern Dakotas to much of Minnesota northern Iowa, western Wisconsin, southern Manitoba and part of Northwestern Ontario Wednesday night and Thursday night," Mohler said.
"Farther east, there is still some risk of frost, but the number of hours necessary to damage tender plants and vegetables will be much less and temperatures will be very marginal," Mohler added.
A light frost (associated with marginal temperatures) can leave some plants undamaged. A freeze (prolonged below-freezing temperatures) causes the fluid inside the plant to freeze, destroying the cells. Different plants, because of their cell structure, can resist frost to a certain point.
Mohler was referring to areas east of Chicago to the mid-Atlantic and New England.
The warm waters of the Great Lakes modify temperatures this early in the season. So when an air mass moves in from southern Canada and across the northern Plains, it passes over the Great Lakes, picking up a bit of warmth.
"There will also be cloud cover issues and perhaps some wind working against frost farther east," Mohler added.
The risk of frost is generally for rural locations and open areas in the suburbs. In the larger cities, including those of the Upper Midwest, the heat given off by pavement and buildings should be enough to ward off the risk of frost.
Forecast low temperatures are made for a height about six feet above the ground. In clear, calm situations, the temperature nearest the ground, not including pavement or concrete, can be 10 degrees lower or more. This is why we mention frost when actual temperatures are forecast to be above freezing.
It is possible by next weekend that enough cool air is still around, winds diminish and skies clear to allow frost in the normally cold spots of the mid-Atlantic and New England.
The southward push of cool air across the Great Plains, combined with a storm brewing in the Southwest, could initiate areas of rain to some needy locations farther south, including part of Texas, Oklahoma, New Mexico, Kansas and Colorado.
Cooler Weather On The Way for Sizzling Southquote:...WIDESPREAD SUB FREEZING TEMPERATURES EXPECTED TONIGHT AND EARLY
THURSDAY MORNING...
.SURFACE HIGH PRESSURE WILL MOVE OVER THE RED RIVER VALLEY THIS
EVENING INTO MINNESOTA BY THURSDAY MORNING. THIS HIGH WILL BRING A
DRY AIRMASS...CLEAR SKY AND LIGHT WINDS TONIGHT INTO EARLY
THURSDAY MORNING RESULTING IN WIDESPREAD IN LOW TEMPERATURES FROM
25 TO 30.
Jan Visserquote:In Noord-Amerika heeft zich een overgang naar aanmerkelijk kouder weer voltrokken. Deze doet zich inmiddels ook in een groot deel van de VS gelden. Eindelijk is het op zinderende 'southern Plains' (Texas, Oklahoma) gaan afkoelen (zie kaartje).
Oliver Oeckerath stelde ondertussen een ‘Canadees overzicht’ samen. Ik citeer: “Grootvadertje Vorst is dezer dagen al op bezoek in de Canadese provincie Saskatchewan. Onder invloed van een koudbloedig hogedrukgebied werd het dinsdag in Spiritwood niet warmer dan 8,8° (normaal: 16,8°). De nacht naar woensdag leverde daar met -7,0° de eerste stevige vorst van de herfst en meteen een evenaring van het op 30 september 1996 gevestigde maandrecord op. In het stadje Rosetown, waar voor september een gemiddelde minimumtemperatuur van 3,9° te boek staat, duikelde het kwik zelfs naar -7,7° (record: -8,7°).
Regina, de provinciale hoofdstad (180.000 inwoners), noteerde -5,2°. De bel met koude lucht schuift inmiddels oostwaarts. Gistermiddag bleef ket kwik in Geraldton, Ontario, steken op een magere 6,3° tegen 15,3° normaal. Vanochtend vroeg zijn in het gebied ten noorden van het Bovenmeer (Lake Superior) ook de eerste natte sneeuwbuien van het seizoen mogelijk.
quote:La Nina returns
Last month, La Niņa conditions returned and are expected to gradually strengthen and continue into the Northern Hemisphere through the 2011/2012 winter, according to a National Oceanic and Atmospheric Administration Climate Prediction Center webinar held Thursday.
During the October through December 2011 period, there is evidence that La Niņa favors an increased chance of above-average temperatures across the mid-section of the country, according to the weather forecasters.
The nation’s Corn Belt will feel La Niņa’s effects through the end of the year. “Moving into this fall, the Corn Belt region weather conditions are typically warm and dry during La Niņa,” said Jon Gottshalk, NOAA Climate Prediction Center. “With La Nina we have a 4 in 5 chance of below normal precipitation for November through March.” Gottshalk added that as the winter months proceed there is a tendency for the northern portion of the Corn Belt to return to colder temperatures.
The effects of La Niņa also added to the record drought conditions in the Southern Plains. Much of Texas, Oklahoma and parts of New Mexico and Kansas remain mired in extreme to exceptional drought. The agriculture damage in Texas alone is estimated at $5.2 billion. The climatologists say that weather indicators suggest that drought conditions in the area may remain in place.
According to NOAA, U.S. weather disasters in 2011 exceeding $1 billion in damage set a new record at 10.
August precipitation varied considerably across the Midwest as crop stress became much more widespread with the dry conditions of the month, according to NOAA. Due to the weather and following disappointing field surveys in many locations, crop yield estimates were lowered well below the 5-year averages. Yields are also expected to vary considerably from field to field and even within fields.
Drought affected areas in the Midwest expanded from less than 1% on July 26 to more than 18% on Aug. 30. Severe drought area went from 0% to nearly 5% of the Midwest in the same time period.
For details on the weather and climate events of the Midwest, see the weekly summaries in the
Jan Visserquote:na vijf maanden zijn afgelopen zaterdag (10 september) de laatste resten van de opgestapelde sneeuwbergen in de Canadese stad Edmonton gesmolten (bron: Alexandra Pope).
Jan Visserquote:Oliver Oeckerath bericht over de afkoeling in het oosten van de Verenigde Staten: “Door toedoen van de restanten van de voormalige tyfoon ROKE, die op 21-22 september jongstleden nog Japan had geteisterd, is het in het oosten van de Verenigde Staten flink afgekoeld. Tijdens het afgelopen weekeinde werd op de toppen van de Appalachen voor het eerst deze herfst een sneeuwdek gevormd. In de staat West Virginia, Pocahontas County, rapporteerde de 1478 meter hoge Snowshoe Mountain (38° noorderbreedte) zondagmiddag een sneeuwhoogte van 10 cm. Maandagochtend lokale tijd wordt er een tapijt van 23 cm verwacht.
Sneeuw van betekenis ook in het oosten van Canada: op de grens van de provincies Québec en Labrador viel in het stadje Schefferville zaterdag een pak van 20 cm.”
Twitterbericht van Joe Bastardiquote:Thousands of Northern Colorado residents from Berthoud to Wellington are still without power this afternon while heavy, wet snow continues to fall.
Trees, burdened by the heavy snow, fell on power lines throughout Northern Colorado, causing widespread power outages. The snow also knocked out transformers and other power units.
Xcel Energy, which serves a large portion of Northern Colorado, said Wednesday afternoon that they hoped to restore power to nearly everyone by midnight. More than 100,000 of Xcel's consumers were hit by power outages from the storm. the company said it was adding personnel focused on restoring power, and that crews would work through the night to resolve the problems.
Poudre Valley REA, which supplies power to rural areas, said at 1:30 this afternoon on its website at PVREA.com that more than 4,800 customers were without power, down from more than 8,000 customers earlier this morning. Power was restored to the Bellvue area, but the majority of the affected areas were concentrated west of Interstate 25 from south of Berthoud to Wellington.
PVREA said that three line crews have been dispatched from its neighboring cooperative, Mountain View Electric, to help with the outage. PVREA also said it has hired several contractors to help with its tree mitigation efforts.
Some residents in the Terry Lake neighborhood north of Fort Collins experienced a power outage Tuesday evening only to see power restored very early this morning. However, the power went out again about noon today, a caller told the Coloradoan.
In Loveland, police cautioned residents there to take driving precautions because of the power outages. In a posting on the city of Loveland's website, Loveland.com, a note from the police said: "Due to the snowstorm, power is out in central and south Loveland, including traffic signals at several intersections. Please treat all intersections where the signals are dark as four-way stops."
Loveland's Thompson School District closed schools today, in part, because the power was off in several schools.
PVREA said all available crews and equipment had been out since 9 p.m. Tuesday night to repair damages caused by downed trees and heavy snow. Earlier in the morning, more than 8,000 were without power. Crews also were staged in the foothills from Lyons to Red Feather Lakes.
Xcel Energy, meantime, reported this morning that 13,745 customers near Fort Collins were without power. Xcel said on its website that 14 crews were working on restoring power in the area. The company said it was adding additional crews in Fort Collins and Greeley.
Xcel and Poudre Valley REA provide electric service to areas outside the general Fort Collins city limits, while the city of Fort Collins Utilities, which has not reported any outages, provides power within the city.
Both Xcel Energy and Poudre Valley REA asked customers for their patience on their websites at XcelEnergy.com and PVREA. com.
A view of the Uptown area of Denver around midday Wednesday.quote:Snow from noreaster may cause as much tree damage as Irene Dc to southern New England!
quote:Up to a foot of heavy wet, back-breaking snow will plaster areas north and west of I-95 Saturday, causing massive power outages, downed trees and travel nightmares.
The storm will hit hard and fast, traveling from southwest to northeast over the mid-Atlantic and New England in less than 24 hours.
The heaviest snow from the storm will stretch from along the Virginia/West Virginia border through a large swath of central and eastern Pennsylvania to southeastern New York state, northwestern New Jersey, northern Connecticut, central and western Massachusetts to southern New Hampshire and southwestern Maine.
Cities that are likely to receive the heaviest snowfall include: Hartford, Conn., Frederick, Md., Worcester, Mass., Nashua, N.H., Netcong, N.J., Newburgh, N.Y., Allentown, Pa., Winchester, Va. and Martinsburg, W.Va.
In these areas and others over the interior Northeast, the snow will come down hard enough to accumulate on the roads making for slippery driving. The worst conditions will be in the hilly areas and the mountains, where slightly lower temperatures are in store.
Thousands of trees could come down, and over a million people could be without power. Some rural roads could be blocked for days by fallen trees. Driving or walking through wooded areas during and immediately following the storm could be dangerous.
Thunderstorms could accompany the snow, adding to the drama.
I-95
While the heaviest accumulation will miss the I-95 cities from Washington, D.C., and Baltimore to Philadelphia, New York, Providence and Boston, some wet snow will fall on the heart of the downtown areas and can cover rooftops, trees and grassy areas. Streets in the downtown areas of these cities will be mainly wet.
Because of the intensity of the rain and snow, with increasing winds, expect flight delays and cancellations in the Northeast and ripple-effect delays elsewhere throughout the nation.
New England
The storm will turn into a "Halloween Weekend Screamer" in New England. Not only will some communities be battling problems from heavy snow, but also dramatically increasing winds that will also down trees and wires.
Powerful northeasterly winds will cause coastal flooding along east- and northeast-facing shorelines of New England. For part of the region, this could be an Irene with snow.
The storm will bring a period of heavy rain and the potential of urban flooding along the coast of the mid-Atlantic and the immediate southern and eastern coasts of New England.
It's Not a Halloween Prank
Snowfall during October is not uncommon in the Northeast in general, but when it does occur it typically only falls on a very narrow swath, high elevations or a relatively small patch of land.
According to Expert Senior Meteorologist Henry Margusity, "During this storm, the extent of places that may receive 6 to 12 inches is unprecedented."
Unlike many storms which tend to underachieve, this one will overachieve and is likely to be a record-breaker.
It will catch many people off guard because of its intensity and fast-hitting nature.
@Accuweather
quote:Oliver Oeckerath bericht over de sneeuwsituatie in de VS: "In het noordoosten van de VS staat een tiental staten tussen West Virginia en Maine vanmiddag en in de nacht naar zondag een beruchte "nor`easter" te wachten: een lagedrukgebied dat langs de oostkust richting Nova Scotia koerst. Terwijl langs de lijn Washington-Boston voornamelijk regen of natte sneeuw wordt verwacht, transformeert de neerslag in het binnenland met een noordoostelijke aanvoer in droge sneeuw. Amerikaanse weerdeskundigen voorspellen dat op een voor eind oktober weergaloze schaal een pak van 15 tot 30 cm zal gaan vallen.
In de Appalachen is zelfs tot meer dan een halve meter sneeuw mogelijk met intensiteiten van lokaal 10 cm per uur. De Canadese weerdienst rekent vervolgens ook in het zuidwesten van de provincie New Brunswick op een laag van 15 ā 20 cm. Er wordt veel overlast verwacht, omdat talloze bomen en hoogspanningsleidingen onder het gewicht van de papperige sneeuw zullen bezwijken".
@Jan Visser
quote:8 dead after freak winterstorm
More than 3.2m homes and businesses across the north-east US have been left without power after a freak snowstorm killed at least eight people and disrupted transport across the region.
From Maryland to Maine, officials said it would take days to restore electricity, even though the snow ended Sunday.
The storm smashed record snowfall totals for October and worsened as it moved north. Communities in western Massachusetts were among the hardest hit. Snowfall totals topped 68.6cm (27in) in Plainfield, and 66cm nearby Windsor.
The storm was blamed for at least six deaths, and states of emergency were declared in New Jersey, Connecticut, Massachusetts and parts of New York.
Roads and railways were blocked and flights cancelled, with passengers on a JetBlue flight stuck on a plane in Hartford, Connecticut, for more than seven hours on Saturday.
More than 800,000 customers were without electricity in Connecticut alone – shattering the record set in August by Hurricane Irene. Massachusetts and New Jersey each suffered more than 600,000 power cuts. Parts of Pennsylvania, New Hampshire, New York, Maine, Maryland and Vermont also were without power.
"It's going to be a more difficult situation than we experienced in Irene," Connecticut Governor Dannel Malloy said. "We are expecting extensive and long-term power outages."
Thirty-two shelters were open around the state, and Malloy asked volunteer fire departments to allow people in for warmth and showers. At least four hospitals were relying on generators for power.
Around Newtown in western Connecticut, trees were so laden with snow on some back roads that the branches touched the street. Every few minutes, a snap filled the air as one broke and tumbled down. Roads that were plowed became impassible because the trees were falling so fast.
The National Weather Service said the snowstorm "absolutely crushed previous records that in some cases dated back more than 100 years". Saturday was only the fourth snowy October day in New York's Central Park since record-keeping began 135 years ago.
There usually is not enough cold air in the region to support a snowstorm this time of year, but an area of high pressure over south-eastern Canada funneled cold air south into the US, the service said. That cold air combined with moisture coming from the North Carolina coast to produce the unseasonable weather.
The JetBlue passengers stranded at Hartford's Bradley International Airport were on a flight from Fort Lauderdale, Florida, to Newark, New Jersey, that had been diverted. Passenger Andrew Carter, a football reporter for the Sun Sentinel in Fort Lauderdale, said the plane ran out of snacks and bottled water, and the toilets backed up.
JetBlue said power outages at the airport has made it difficult to get passengers off the plane, and added that the passengers would be reimbursed.
There were other flight delays in the region over the weekend, and commuter trains in Connecticut and New York were delayed or suspended because of downed trees and signal problems. Amtrak suspended passenger train service on several north-eastern routes, and one train from Chicago to Boston got stuck overnight in Palmer, Massachusetts. The 48 passengers had food and heat, a spokeswoman said, and they were taken by bus Sunday to their destinations.
In south-eastern Pennsylvania, an 84-year-old man was killed when a snow-laden tree fell on his home. In Connecticut, the governor said one person died in a traffic accident that he blamed on slippery conditions.
A 20-year-old man in Springfield, Massachusetts, stopped when he saw police and firefighters examining downed wires and stepped in the wrong place and was electrocuted.
The snow was a bone-chilling slush in New York City, and was a taste of what's to come for demonstrators camping out at Zuccotti Park in lower Manhattan for the Occupy Wall Street protest.
Nick Lemmin, of Brooklyn, spent his first night at Zuccotti in a sleeping bag in a tent, wearing thermals, a sweatshirt and a scarf.
"I slept actually pretty well," he said. "It was pretty quiet."
quote:Northeast Snow From Space
The white colored areas highlighted by the yellow oval on the image below is snow cover over the Northeast as viewed from space. The white shaded areas on the upper right and lower left of this image are clouds. This image was taken on Sunday after the historic storm departed.
quote:Nog altijd geen stroom in delen VS
WAYLAND - Honderdduizenden mensen in het noordoosten van de Verenigde Staten hebben al dagen geen elektriciteit vanwege de ongebruikelijk vroege en zware sneeuwstorm die het afgelopen weekeinde over het gebied trok.
Er zijn inmiddels minstens 21 mensen door toedoen van het winterse weer om het leven gekomen. De meeste slachtoffers vielen door omvallende bomen, bij verkeersongelukken of werden geëlektrocuteerd door kapotte elektriciteitskabels.
Op het hoogtepunt van de storm zaten zeker 3,1 miljoen huishoudens zonder stroom. Maandagavond waren dat nog 2,2 miljoen. De gouverneur van de staat New Jersey zei dat donderdag de elektriciteitsvoorziening weer hersteld zal zijn voor 95 procent van de 375 duizend huishoudens die in New Jersey nu nog zonder stroom zitten.
Zware sneeuw
De combinatie van zware, natte sneeuw, bomen met nog veel bladeren en een harde wind zorgde ervoor dat op veel plaatsen takken en elektriciteitskabels naar beneden kwamen en bomen omwaaiden. Op sommige plekken viel in het weekeinde een kleine zeventig centimeter sneeuw. In het plaatsje Peru, in de staat Massachusetts, viel 81 centimeter sneeuw. Honderden scholen bleven maandag dicht.
Voor veel steden is de sneeuwstorm een harde financiële klap na de schade die veel steden opliepen door de orkaan Irene
http://www.accuweather.co(...)r-deja-vu-snowst.aspquote:The following photos were taken by AccuWeather.com Meteorologist Heather Buchman in the Denver Tech Center area, just south of the city, during the Nov. 1-2, 2011 snowstorm.
This snowstorm comes exactly one week after Denver's first significant snow of the season.
quote:Record-Challenging Cold Building in Alaska, Canada
Unusually cold air is forecast across Interior Alaska and northwestern Canada this week. While cold air is common here, record lows might be broken by the end of the week.
The weather pattern will set up such that high pressure will strengthen across Interior Alaska and Canada's Yukon Territory over the next several days. Usually high pressure building means nice weather. But, not this time.
Skies will be clear for several days thanks to the high pressure. Now that the days are very short, clear skies result in temperatures cooling steadily both day and night.
Temperatures will become colder and colder over the next several days. The coldest of the air is expected Wednesday into Thursday, when temperatures should dip to between 30 and 40 below zero.
For example, the record low is Fairbanks is 41 below zero Wednesday, and 39 below zero Thursday. These records will be very close to being broken.
Even high temperatures will be well below zero.
A storm is expected to dislodge this cold air southward into the U.S., possibly leading to the first snow of the season in Seattle Friday.
Wat ik nou niet begrijp is waarom een land aan de ene kant bol staat van de technologie en anderzijds zo amateuristisch handelt inzake hun netwerk of wegennet want het is elk jaar hetzelfde dat miljoenen yanks geen stroom oid hebben vanwege het weer.quote:Op maandag 31 oktober 2011 22:40 schreef aloa het volgende:
Nog bijna 2 miljoen zonder stroom in VS
In vijf staten in het noordoosten van de Verenigde Staten zaten maandag nog steeds 1,8 miljoen mensen zonder stroom. De uitval werd veroorzaakt door een hevige sneeuwstorm. Dat meldde nieuwszender CNN. Het kan tot vrijdag duren voordat de elektriciteit overal weer is hersteld.
Door de zeldzaam vroege sneeuwval zijn in totaal 12 doden gevallen. Het spoor- en vliegverkeer is inmiddels weer op gang gekomen. Maar voor benzinestations staan lange rijen omdat door de stroomuitval veel pompen dicht zijn. In veel plaatsen is het jaarlijkse Halloweenfeest afgelast of uitgesteld.
bron
Canada ook -40quote:Op woensdag 16 november 2011 18:31 schreef pfaf het volgende:
Het plaatje in de OP geeft nu -41 voor Alaska.
Brrrrr
Die meren daar tussen de VS en Canada staan bekend als veroorzaker van ladingen sneeuw. Vooral in het begin van de winter als die meren nog niet dichtgevroren zijn.quote:Op donderdag 24 november 2011 19:47 schreef daanski82 het volgende:
Wij gaan 1 december richting de VS (NYC --> Bosten--> niagara falls via Canada naar Detroit met als eind punt Chicago) wat kan ik verwachten de komende weken?
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