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December 2024


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1 minute ago, SACRUS said:

 

Records:

Highs:

EWR: 67 (1990)
NYC: 66 (1990)
LGA: 66 (1990)
JFK: 63 (2015)


Lows:

EWR: 7 (1989)
NYC: -1 (1883)
LGA: 7 (1989)
JFK: 8 (1989)

Historical:

 

1811 - A cold storm hit Long Island sound with a foot of snow, gale force winds, and temperatures near zero. During the storm many ships were wrecked, and in some cases entire crews perished. (David Ludlum)

 

1921: An estimated F3 tornado struck the town of Clarkedale, Arkansas, killing six and injuring 60 others. Four people died in the destruction of the Banks and Danner store, where 50 people were doing their Christmas shopping.

1955 - The barometric pressure dipped to 28.97 inches (981 millibars) at Boise ID, an all-time record for that location. (The Weather Channel)

1982 - A major winter storm struck Colorado producing heavy snow and blizzard conditions. A record two feet of snow was reported at Stapleton Airport in Denver, which was shut down for 33 hours. Up to 44 inches of snow fell in the foothills surrounding Denver. The storm hurt the ski industry as skiers were unable to make it out of Denver to the slopes, and the closed airport became a campground for vacationers. (23rd-25th) (The Weather Channel) (Storm Data)

1983 - The temperature plunged to 50 degrees below zero at Williston ND to equal their all-time record. Minneapolis MN reported an afternoon high of 17 degrees below zero, and that evening strong northerly winds produced wind chill readings of 100 degrees below zero in North Dakota. (The National Weather Summary)

1987 - A winter storm brought heavy snow to the Central Rockies, and also spread a blanket of snow across the Middle Missouri Valley in time for Christmas. Snow and high winds created near blizzard conditions in Wyoming. Snowfall totals in Wyoming ranged up to 25 inches at Casper, with four feet of snow reported at the Hogadon Ski Resort on Capser Mountain. The Wolf Creek Ski Resort in Colorado received 26 inches of snow. Totals in the Middle Missouri Valley ranged up to 16 inches at Alpena SD, with 14 inches at Harrison NE. Strong winds ushered unseasonably cold air into the southwestern U.S. Canyon winds gusting to 100 mph created ground blizzards in Utah. (The National Weather Summary) (Storm Data)

1988 - Low pressure in the Upper Midwest produced strong and gusty winds across the Great Lakes Region and the Ohio Valley. Winds in Ohio gusted to 47 mph at Cincinnati, and reached 51 mph at Cleveland. (The National Weather Summary) (Storm Data)

1989 - An historic arctic outbreak spread to the Gulf Coast Region, and a total of 122 cities across the central and eastern U.S. reported record low temperatures for the date. Forty-one of those cities reported record lows for the month of December, with some cities breaking December records established the previous morning. Morning lows of 11 degrees at New Orleans LA and Lake Charles LA, 4 degrees below zero at San Angelo TX, and 26 degrees below zero at Topeka KS, established all-time records for those four locations. Yankton SD was the cold spot in the nation with a morning low of 31 degrees below zero. A storm system moving across the Florida peninsula and along the Southern Atlantic Coast produced high winds and record snows along the Carolina coast. Snowfall totals of 15 inches at Wilmington NC and 13.3 inches at Cape Hatteras NC were all-time records for those two locations.

 

1998: A major ice storm struck central and southeast Virginia and much of North Carolina beginning on Wednesday, December 23, and lasting until Christmas Day morning. Icy conditions caused injuries from slips and falls and numerous vehicle accidents. Ice accumulations of up to an inch brought down trees and power lines. Outages were so widespread with 400,000 customers were without power on Christmas Eve. Some people were without power for up to ten days. 

 

2009 - Severe storms and heavy rainfall were associated with the same storm that brought blizzard conditions to the central parts of the U.S. on December 23rd and 24th. At least one death in Louisiana was blamed on the heavy rainfall and storms. There were 35 preliminary tornado reports and 34 hail and wind reports along the Gulf Coast over the 2-day period. The 10-year average number of tornadoes across the country in December is 36. (NCDC)

1989 - An historic arctic outbreak spread to the Gulf Coast Region, and a total of 122 cities across the central and eastern U.S. reported record low temperatures for the date. Forty-one of those cities reported record lows for the month of December, with some cities breaking December records established the previous morning. Morning lows of 11 degrees at New Orleans LA and Lake Charles LA, 4 degrees below zero at San Angelo TX, and 26 degrees below zero at Topeka KS, established all-time records for those four locations. Yankton SD was the cold spot in the nation with a morning low of 31 degrees below zero. A storm system moving across the Florida peninsula and along the Southern Atlantic Coast produced high winds and record snows along the Carolina coast. Snowfall totals of 15 inches at Wilmington NC and 13.3 inches at Cape Hatteras NC were all-time records for those two locations.

 

a notoriously cold and dry December

2009 - Severe storms and heavy rainfall were associated with the same storm that brought blizzard conditions to the central parts of the U.S. on December 23rd and 24th. At least one death in Louisiana was blamed on the heavy rainfall and storms. There were 35 preliminary tornado reports and 34 hail and wind reports along the Gulf Coast over the 2-day period. The 10-year average number of tornadoes across the country in December is 36. (NCDC)

 

 

the start of an amazing winter with the first snowstorm in December

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2 minutes ago, brooklynwx99 said:

if this is trending in the wrong direction, sign me up

gfs-ensemble-all-avg-namer-vort500_z500-5819200.thumb.png.c11492ed595d7e495a093cf8328f2306.png

Agreed not sure what looks wrong on the gefs geps or eps. At the very end of the EPs and gefs there is a slight look of a trough out west however that's at the very end and the models may be trying to revert back to a la nina look may never materialize or materialize later.

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5 minutes ago, EastonSN+ said:

Agreed not sure what looks wrong on the gefs geps or eps. At the very end of the EPs and gefs there is a slight look of a trough out west however that's at the very end and the models may be trying to revert back to a la nina look may never materialize or materialize later.

at that point, the slight troughiness out west can just be a storm signal showing up

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1 minute ago, brooklynwx99 said:

at that point, the slight troughiness out west can just be a storm signal showing up

Agreed. Going out to the end of The ensemble runs there tends to be a lot of spread which also may be showing the disparity between a few members of the model suite trying to put a trough out west. Also one can't expect a good look to last throughout the remainder of the winter however it could also be a reload period. LOL I must admit given the last two Winters I am also consciously thinking that something will go wrong.

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The trough showing up at the end of the runs is the same long range Pacific bias we have seen all winter. Heights over the EPAC and WNA have been verifying lower than forecast beyond 10 days. So this is nothing new since it’s the seasonal pattern so far. The one change we have seen in the models due the Hudson Bay warming event has been more blocking east of Hudson Bay. So at least we will get some blocking help from the Atlantic side in early January. The big question is how long does the early January window last? So far this winter is staring out on the La Niña temperature path of colder December 1 to estimated January 15th. Most of the time in this progression we see a warmer back half of winter on the La Niña progression path. Its also typical for mismatch December La Niñas with a +PNA to become more -PNA over time. My hope is that the Pacific can back off enough with some help from the Atlantic blocking to allow NYC to break the 4” snow losing streak in early to mid-January. I wouldn’t put it past the Pacific to spoil things again so there are no guarantees. 

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10 minutes ago, bluewave said:

The trough showing up at the end of the runs is the same long range Pacific bias we have seen all winter. Heights over the EPAC and WNA have been verifying lower than forecast beyond 10 days. So this is nothing new since it’s the seasonal pattern so far. The one change we have seen in the models due the Hudson Bay warming event has been more blocking east of Hudson Bay. So at least we will get some blocking help from the Atlantic side in early January. The big question is how long does the early January window last? So far this winter is staring out on the La Niña temperature path of colder December 1 to estimated January 15th. Most of the time in this progression we see a warmer back half of winter on the La Niña progression path. Its also typical for mismatch December La Niñas with a +PNA to become more -PNA over time. My hope is that the Pacific can back off enough with some help from the Atlantic blocking to allow NYC to break the 4” snow losing streak in early to mid-January. I wouldn’t put it past the Pacific to spoil things again so there are no guarantees. 

I hope the streak doesn't keep going because they measured 3.9 inches at some point. :)

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1 minute ago, LibertyBell said:

I understand why counties in Florida and California are named Orange County-- they grow oranges there.

But why do we have an Orange County in New York or an Orange in New Jersey for that matter?

Do they grow oranges too??

 

Trifoliate Orange trees should be able to grow there, they do here.

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1 hour ago, SACRUS said:

 

9 / 1 off a low of 5 here.  24 more hours sub freezing before the 6 days warm up.  Light Christmas Eve snow showers and flurries, perhaps a coating more north / near the city.   Warmer and wetter close to the week / month.  January opens warmer but could be a quick ride on the coaster back to colder.

 

vis_nj_anim.gif

Interesting little patch of clouds over Smithtown Bay.  Probably related to why we didn't get any colder overnight.

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23 minutes ago, LibertyBell said:

I understand why counties in Florida and California are named Orange County-- they grow oranges there.

But why do we have an Orange County in New York or an Orange in New Jersey for that matter?

Do they grow oranges too??

 

Orange County NY of course has nothing to do with Oranges, the trees wouldn't even survive late April here. It's a family name but not sure why the Orange family got a whole county named after them. I would guess they had a lot of money.

Orange County, New York is named after William of Orange, who later became King William III of England: 

The county name is derived from King William III of England who was a Prince of the House of Orange.

 

 

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33 minutes ago, lee59 said:

I hope the streak doesn't keep going because they measured 3.9 inches at some point. :)

Hopefully, NYC can get it done this winter so they don’t challenge 1932.

 

Number of Consecutive Days Snowfall < 4 
for NY CITY CENTRAL PARK, NY
Click column heading to sort ascending, click again to sort descending.
1 1394 1932-12-16
2 1063 1952-01-27
3 1058 2024-12-22
4 1051 1963-12-22
5 794 1956-03-15
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1 hour ago, EastonSN+ said:

Agreed not sure what looks wrong on the gefs geps or eps. At the very end of the EPs and gefs there is a slight look of a trough out west however that's at the very end and the models may be trying to revert back to a la nina look may never materialize or materialize later.

I can't believe people look at Day 15 OP models...

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20 minutes ago, bluewave said:

Hopefully, NYC can get it done this winter so they don’t challenge 1932.

 

 

Number of Consecutive Days Snowfall < 4 
for NY CITY CENTRAL PARK, NY
Click column heading to sort ascending, click again to sort descending.
1 1394 1932-12-16
2 1063 1952-01-27
3 1058 2024-12-22
4 1051 1963-12-22
5 794 1956-03-15

we actually did have a 6 inch snowstorm last winter though, just not at Central Park.

 

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5 minutes ago, forkyfork said:

less -nao, ridging near the aleutians which opens the door for western troughing and cutters 

Exactly. I don’t like the trends currently. The ridge is moving to far west on the ensembles. This would be a continuation of the cutter/cold/dry pattern 

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