North American Weather (U.S.A & Canada)

[keithlucky]

Possible historic snow fall for Las Vagas

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV SUN DEC 28 2014

…VERY UNUSUAL WEATHER IN LAS VEGAS FOR NEW YEAR`S EVE AND DAY…

NORMALLY SUNNY AND MILD LAS VEGAS IS EXPECTED TO EXPERIENCE UNUSUAL AND POTENTIALLY HISTORIC WEATHER FOR THE NEW YEAR`S EVE INTO NEW YEAR`S DAY TIME PERIOD.

A COLD AND SOMEWHAT MOIST STORM SYSTEM IS EXPECTED TO PASS ACROSS THE MOJAVE DESERT BETWEEN TUESDAY NIGHT AND NEW YEAR`S DAY BRINGING A VARIETY OF HIGH IMPACT WEATHER TO LAS VEGAS AND SURROUNDING AREAS.

MANY TOURISTS WHO COME TO LAS VEGAS MAY BE UNPREPARED FOR THE TRUE WINTER-LIKE CONDITIONS THIS STORM COULD BRING WITH IT. TRAVEL CONDITIONS COULD BE DIFFICULT – IF NOT IMPOSSIBLE – ON AREA ROADS STARTING TUESDAY NIGHT INTO NEW YEAR`S DAY.

SNOW REMOVAL EQUIPMENT IS VERY LIMITED IN THE LAS VEGAS VALLEY ITSELF. PARKING ON ROADS PUTS YOUR VEHICLE AT RISK FOR BEING SLID INTO AND ALSO MAKES ACCESS ONTO STREETS HARDER FOR VEHICLES THAT NEED TO GET THROUGH.

IN ADDITION…ANY SNOW…EVEN IF IT DOES NOT AMOUNT TO MUCH ACCUMULATION…WILL MAKE WALKWAYS AND SIDEWALKS VERY SLIPPERY. WEARING SHOES WITH GOOD TRACTION IS RECOMMENDED TO AVOID SLIP AND FALLS

[knocker]

Month-to-date temperature anomalies entire CONUS above normal except for peninsula of Florida where it was 80°F today pic.twitter.com/cOLOxSbN2H

[knocker]

CONUS Dec-avg surface temperature dating back to 1960. 2014 currently ranked #1 warmest, but could drop next few days pic.twitter.com/Yx2ywoJagX

[picog]

Possible historic snow fall for Las Vagas

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE LAS VEGAS NV SUN DEC 28 2014

…VERY UNUSUAL WEATHER IN LAS VEGAS FOR NEW YEAR`S EVE AND DAY…

NORMALLY SUNNY AND MILD LAS VEGAS IS EXPECTED TO EXPERIENCE UNUSUAL AND POTENTIALLY HISTORIC WEATHER FOR THE NEW YEAR`S EVE INTO NEW YEAR`S DAY TIME PERIOD.

A COLD AND SOMEWHAT MOIST STORM SYSTEM IS EXPECTED TO PASS ACROSS THE MOJAVE DESERT BETWEEN TUESDAY NIGHT AND NEW YEAR`S DAY BRINGING A VARIETY OF HIGH IMPACT WEATHER TO LAS VEGAS AND SURROUNDING AREAS.

MANY TOURISTS WHO COME TO LAS VEGAS MAY BE UNPREPARED FOR THE TRUE WINTER-LIKE CONDITIONS THIS STORM COULD BRING WITH IT. TRAVEL CONDITIONS COULD BE DIFFICULT – IF NOT IMPOSSIBLE – ON AREA ROADS STARTING TUESDAY NIGHT INTO NEW YEAR`S DAY.

Looks like the MetO are still forecasting snow today and early tomorrow. Have been trying to find a decent webcam to see if it is snowing, but no luck so far (even though there must be dozens to chose from!).

[Dorsetbred]

Looks like the MetO are still forecasting snow today and early tomorrow. Have been trying to find a decent webcam to see if it is snowing, but no luck so far (even though there must be dozens to chose from!).

Try

http://www.trafficland.com/city/LAS

Oh and it just looks wet there right now.

Edited January 1, 2015 by Dorsetbred

[knocker]

You want cold. Try a 40F anomaly.

Chart weatherbell

 

[stewfox]

You want cold. Try a 40F anomaly.

Chart weatherbell

 

Have always found that a very messy chart with odd colour codes, blue to me as cold always seems better. Personal preference

 

http://www.intellicast.com/National/Temperature/FrostFreeze.aspx

Edited January 1, 2015 by stewfox

[keithlucky]

Looks like the MetO are still forecasting snow today and early tomorrow. Have been trying to find a decent webcam to see if it is snowing, but no luck so far (even though there must be dozens to chose from!).

http://t.co/U9vv13GlvS some pictures.

[Daniel*]

Trans-Arctic flow sets up during next 7-days ... as powerful polar low spins NE of Greenland. Wind chills -70°F

ECMWF 00z +6 days crushing cold w/piece of (tropospheric) polar vortex.

The Bottom drops out.

Continued hot in Florida on Saturday ... mid-80s across most of peninsula #toasty

Beach weather.

Courtesy Ryan M

[keithlucky]

Looks like the MetO are still forecasting snow today and early tomorrow. Have been trying to find a decent webcam to see if it is snowing, but no luck so far (even though there must be dozens to chose from!).

 Record cold across Snow in North Arizon a picture of the grand canyon

Edited January 3, 2015 by keithlucky

[picog]

http://t.co/U9vv13GlvS some pictures.

Thanks KeithL.

[knocker]

High Pressure Records in Jeopardy Across Great Plains

 

A sprawling dome of high pressure is on track to spill from Canada across most of the eastern United States over the next several days, bringing sharp winds and some of the coldest air of the season to many locations. While the cold will certainly make its presence known, the truly remarkable aspect of this blast will be the strength of the high pressure itself. In some locations, barometric high pressure readings may reach levels never before observed in January, and one or more all-time records can't be ruled out.

 

Plus

 

 

A head-spinning temperature range

Even for an area accustomed to large daily swings in temperature, the Front Range of northeast Colorado experienced a startling surge of warmth on Monday, courtesy of downslope winds feeding into the Midwest clipper storm. After an overnight low of –5°F, Denver International Airport surged to a high of 55°F, making for a diurnal range of 60°F! January is renowned for rapid temperature variations along the east slopes of the Rockies, where downslope winds often scour out Arctic air. The largest 24-hour diurnal spread in U.S. history (103°F, from –54°F to 49°F) was recorded by an NWS cooperative observer in Loma, Montana, on January 14–15, 1972.

 

http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=2890

[knocker]

Lake effect snow band from Lake Huron brings heavy snow to Pennsylvania

[jonboy]

• TodayA 20 percent chance of snow showers after 11am. Mostly cloudy and cold, with a high near 7. Wind chill values as low as -44. Southwest wind 6 to 14 mph.Morrisville, Morrisville-Stowe State Airport (KMVL)

Morrisville, Morrisville-Stowe State Airport (KMVL)

Lat: 44.54°N Lon: 72.62°W Elev: 732ft.

Todays forecast for part of New England Temps are Fahrenheit yesterday it was down to -26 with windchill of -51 would we cope unlikely 

[Hotspur62]

-39 in Maine this morning!!  .Now that is bone chilling .Things should moderate after the weekend but still looks pretty cold next week in North Eastern USA.Oh how we can only dream of temps like that!! . I would settle for a -5 just once this winter lol.The funny thing is there are moanings and rants on some of the US/Canadian forums this winter as last winter was just so severe this winter seems to have been a let down lol

[keithlucky]

Some great pictures http://t.co/nWMoKH4Sum

[keithlucky]

A snow flurry in Florida on Thursday gets children excited to witness a rare event .http://www.news4jax.com/weather/record-snowfall-hits-florida/30611574

Edited January 10, 2015 by keithlucky

[keithlucky]

POLAR SLEDGE HAMMER about to hit USA 

[knocker]

To be slightly more precise in 13 days time.

[Hotspur62]

To be slightly more precise in 13 days time.

Annoying thing is when they forecast extreme cold for 10-14 days time they verify 9 times out of ten. When we get "Boom" charts for cold and snow they verify 1 out of 10 at best lol.That's the frustration of living in UK being surrounded by water!!

[knocker]

Winter to Tighten Grip on Northeast, Midwest Into Late January

http://m.accuweather.com/en/weather-news/winter-to-tighten-grip-on-nort/40877719

[knocker]

I wonder how far west this will sneak?

chart courtesy weatherbell

 

[knocker]

U.S. Snowfall back down to a new decade low for time of year. Just over 40% of the U.S. is snow covered pic.twitter.com/nklbYa49Ko

[knocker]

Now this is cold. Arctic HP brings some brutal cold to Alaska.

Chart courtesy weatherbell

 

[Roger J Smith]

Somebody asked a while back about winters 09-10 and 10-11 ... they were both fairly good snowfall winters on the east coast, in the case of 09-10 a long interruption from mid-Dec to late Jan followed by several hefty snowfalls in February, one dropped three feet in Philadelphia. The winter of 10-11 was generally colder and more frequently snowy although on a less epic scale. Winters of 11-12 and 12-13 were generally quite mild, 13-14 about average in eastern North America. This winter so far not very epic anywhere after one week of huge Great Lakes snow squalls in mid-November. But that's going to change as previous posters have noted. This is my take on what's coming (over next two weeks)

 

Well, I would have to say it has not been that dramatic a winter yet, rather mild here on the west coast, sometimes a bit on the cold side in Ontario and points east. But things are going to be getting much more dramatic in the next week or two as a huge ridge builds over the west coast and very, very cold air sets up home base over Quebec and New England but affecting most of eastern Canada and the U.S.

This will develop in two or three steps, first one being a rather weak east coastal storm over the weekend that will explode into a major windstorm for the Maritimes around Sunday night or Monday. Snow or rain briefly with this but the main feature will be a dramatic increase in wind speeds followed by a blast of colder air. Meanwhile the west will be getting toasty warm, 14 C not out of the question here on the west coast. A chinook will bring this warmth into the prairies for a few days.

The second stage begins with a gradual push of much colder air into central regions while the far west stays mild later next week. More weak systems will bring a little snow to eastern Canada and the trend will be generally downward for temperatures again but not too extreme yet.

Then by about Feb 2-3, a strong storm develops off the Carolina coast moving east more than north, and very strong high pressure drops out of the central arctic towards Minnesota. Extreme cold will develop over eastern Canada, like around -35 to -45 in places, and even -25 possible in southern Ontario. This may persist for a good part of February as global patterns seem destined to lock into large-amplitude waves, if you're on the east side of a ridge you get frigid air and if you're west of one, you get subtropical air pumped up to replace all that arctic air that is leaving home.

Consider yourself warned (or blessed in BC). Alberta while not in the path of the more extreme cold will eventually get onto the colder side of a frontal boundary and see occasional snowfalls during this whole episode, and fluctuations mostly between -10 and -30, so not too extreme by Alberta standards, but the chinook of this weekend seems likely to be extinguished around Tuesday, after which it's mostly colder weather for about two weeks at least. The cold won't spill much further into BC than the east Kootenays. It should stay fairly warm in the southwest U.S. where it has been running 5-7 deg above normal for the past two weeks after a very cold New Years Day.