Fall 2018;Northern Hemisphere (climate, snow, warm, recorded)

[chicagogeorge]

https://twitter.com/billyweather/sta...70376297357313

[Cambium]

When your stove is in high gear and its not warming the back rooms....in November.... It's a Special Period to experience. WOW!!!!!!

Todays Max Temps: How Cold?


Hartford: 21° (Coldest November Max Temp on record)
Nobody alive has experienced a cold day like this in Hartford area! And they are at 14° already at 9pm.


Bridgeport: 29° (Coldest November max temp since 1989)
Boston: 24° (Coldest since 1901)
Providence: 24° (Coldest since 1929)
Albany: 19° (Coldest since 1938)
NYC: 28° (Coldest since 1932)
Islip: 29° (Ties for coldest)


Philly max came after midnight of 33. But this afternoon they didn't pass 29°F which would be coldest since 1901!! Paper wont show that as the max though.





Edit::

For Maine::

Greenville 7° (Coldest November max temp on record (Records since 1920)
Caribou 11° (Ties 1978 for coldest November max temp)
Bangor 14° (Also ties 1978 for coldest on record)
Portland 14° (Coldest since 1875!)

For Vermont::

Montpelier: 9° (Coldest November max temp on record (since 1948)
Morrisville: 10° (Coldest on record)
Burlington: 14° (Ties record coldest with 1891, 1917, 1938)
Rutland: 17° They are at 4° already at 9pm.

[dontbelievehim]

66/51f for us in Fresno

I wish all of December was like today.

[nei]

Originally Posted by Cambium

Not used to leaving Thanksgiving family and being so cold outside. Wow! Feels nice though! 24°F


I don't think we experienced this before. Maybe 1980s as some records showing up? But maybe not on Thanksgiving itself?

previous Thanksgiving records in New York Central Park; we've had lots of highs in the 50s, today's high was 28°F. Only colder Thanksgiving on record was in 1882.

https://www.weather.gov/media/okx/Cl...ksgivingwx.pdf

[Cambium]

Originally Posted by nei

previous Thanksgiving records in New York Central Park; we've had lots of highs in the 50s, today's high was 28°F. Only colder Thanksgiving on record was in 1882.

https://www.weather.gov/media/okx/Cl...ksgivingwx.pdf

Saw that pdf but thanks for the update! Wow.
I wish Thanksgiving fell on same day. I was going to dry to grab the days and manually find each for other locations. Forget it. Lol. Gotta be one if not the coldest one for points north of NYC.

I cant believe how fast its tanking outside. Stars are so bright. Bye bye heat escaping into space...(if u can call it heat today)

[nei]

Originally Posted by Cambium

If only there was big blocking in the North Atlantic. This air would of lasted more than 2 days AND pushed further south too.


As this Polar Air moves out it actually squashes the Atlantic ridge. Watch loop below!


Also, watch the next piece of Arctic air dive down into the U.S.

wondered why this one was so short-lived; warm front should bring drenching rain Saturday night as the cold leaves

[user491]

Originally Posted by Cambium

When your stove is in high gear and its not warming the back rooms....in November.... It's a Special Period to experience. WOW!!!!!!

Todays Max Temps:

That’s a tight gradient between temperatures in West Virginia.

The high today here was 46F, and the forecast low is 29F. Big difference compared to northern WV.

[nei]

Originally Posted by Cambium

Saw that pdf but thanks for the update! Wow.
I wish Thanksgiving fell on same day. I was going to dry to grab the days and manually find each for other locations. Forget it. Lol. Gotta be one if not the coldest one for points north of NYC.

I cant believe how fast its tanking outside. Stars are so bright. Bye bye heat escaping into space...(if u can call it heat today)

Looks like Massachusetts and upstate NY have the biggest departures from normal by daily highs, but I'm not sure exactly. Bigger difference between coast and inland her. Wind is calming down up there; will be interesting to see who hits below 0°F.

Really dry airmass here, Northeast stands out.



Mount Washington recorded its coldest temperature early this morning and it'll slowly warm overnight, arctic air is already starting to weaken aloft even if the coldest low elevation temperatures will be tomorrow morning from radiational cooling.

The frigid temperatures that have persisted throughout the day will continue during the overnight hours. However, a plume of warmer air will move in as the remnants of the arctic front are forced out of the forecast region. This will initiate a gradual rise in temperatures over the remainder of the forecast period. However, a wind chill warning is still in effect until 8 am Friday morning. Temperatures are expected to rise closer to zero this evening, however a second blast of high winds across the summit will keep wind chills down near 70 degrees below once again.

https://www.mountwashington.org/expe...n-weather.aspx

Weird mismatch of temperatures from the Observatory site and the NWS reporting from the station. If the NWS reporting of -26°F this morning is correct, then it broke the previous November record of -20°F. Graph makes it look like the coldest temperature was -20°F but odd why the dewpoint didn't match; usually it's at near 100% with cold air. Observatory post says -26°F, something is wrong with their readout on their site and -26°F must be the real low.

Spoiler

Observatory graph



I think the temperature line should be where the dewpoint line is. NWS hourly report has 100% humidity the entrire

[nei]

Ben Lomond, a 2500 feet (800 m) mountain near San Francisco got 3 inches of rain in one day yesterday. Air switched from dry continental (bringing wildfire smoke) to moist pacific as the rain came in. Rather big dewpoint swing.

[nei]

at the peak of the cold; very chilly 850 mb temperatures



Saturday night cold air will be all gone



And a rainstorm with 1-2 inches of rain will come with the mild air



Saturday's mild air will precede the rain and Sunday will be similar temperature-wise. Is it a front? Right now that same rain system is in the Midwest, looks much weaker, maybe getting wetter once it taps into Atlantic moisture? Or the temperature contrast fuels it? California's first rainstorm (and snowstorm in the mountains) is occurring right now.