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Models Advertising Late Month Storm And Cold Front


bluewave

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Pretty impressive diurnal range today -- 36 degrees.

Morning low was 47.8F and made it to 84 for the high here in Monmouth.

My lows for the past 4 nights in Monmouth County:

10/6: 38.1F

10/7: 39.4F

10/8: 42.4F

10/9: 47.9F

Managed to stay in the 40s every night, not bad. Don't think I'll do it tonight

50F low here, just missed the 40s. Dropped from 84 to 50 (34F range). Now already up to 72 and rising fast.

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October's average max is over 80...

decade........ave max...max

1910's..........80.1..........87

1920's..........81.4..........90

1930's..........81.2..........91

1940's..........84.9..........94

1950's..........83.6..........88

1960's..........82.2..........86

1970's..........78.1..........88

1980's..........78.5..........84

1990's..........79.1..........86

2000's..........79.1..........87

the lowest max for October is 66 set in 1880...It was 70 in 1977 and 71 in 1981...

two days now with temperatures 80 or above in October ...here is a list of the most 80 degree and above days for October and beyond...

1954...8

1963...7

1946...6

1990...6

1922...5

1931...5

1949...5

1950...5

1961...5

1968...5

1995...5

2007...5

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It's the euro and it's over 5 days...nuff said.

Check out last night's run...it could not be more different for us when compared to the 12z run. Zero heat and actually keeps us in troughiness right to the end of the run with chilly air entering our region..

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Cold should dominate the Northeast w/ successive shots of Canadian air post October 20th +/- a couple days, through the end of the month. MJO will be circulating back into phase 2 in about 10 days which promotes a neg height anomaly over the Northeast. Right now we're in phases 7-8, which at this time of year, argue for strong ridging in the east. Unlike last year I think the MJO may be a more helpful forecasting tool in the MR/LR for the upcoming winter due to a weaker Nina signal (I'll be using it in my winter forecast).

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We'll see, to me cold this time of year means no better than low 50s during the day and 30s at night even in coastal/urban areas. Mid 60s is basically average to above normal by mid month

Cold should dominate the Northeast w/ successive shots of Canadian air post October 20th +/- a couple days, through the end of the month. MJO will be circulating back into phase 2 in about 10 days which promotes a neg height anomaly over the Northeast. Right now we're in phases 7-8, which at this time of year, argue for strong ridging in the east. Unlike last year I think the MJO may be a more helpful forecasting tool in the MR/LR for the upcoming winter due to a weaker Nina signal (I'll be using it in my winter forecast).

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Cold should dominate the Northeast w/ successive shots of Canadian air post October 20th +/- a couple days, through the end of the month. MJO will be circulating back into phase 2 in about 10 days which promotes a neg height anomaly over the Northeast. Right now we're in phases 7-8, which at this time of year, argue for strong ridging in the east. Unlike last year I think the MJO may be a more helpful forecasting tool in the MR/LR for the upcoming winter due to a weaker Nina signal (I'll be using it in my winter forecast).

The upper level trough around 90 hours begins the pattern change with you discussed. Most medium range models are beginning to converge on a second deep upper level trough moving into the Northern 1/3 of the US by 180 hours or so as well. The pattern completely changes over the next several days as we enter what may actually be considered a late-fall pattern if you were to judge via mid level heights.

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last year the monthly min for October was 42...The max was 75...The last time it hit 32 or lower was 1988...

The averages...

decade....Ave.max/min...max...min......l

1880's.....77.0...34.1......87...29......

1890's.....77.4...37.3......87...34......

1900's.....77.1...37.5......82...32......

1910's.....80.1...37.1......87...32......

1920's.....81.4...35.3......90...29......

1930's.....81.2...36.3......91...28......

1940's.....84.9...37.8......94...30......

1950's.....83.6...38.0......88...33......

1960's.....82.2...35.3......86...31......

1970's.....78.1...35.7......88...29......

1980's.....78.5...37.2......84...31......

1990's.....79.1...38.8......86...34......

2000's.....79.1...38.1......87...36......

2010's.....78.5...42.0......82...42......

1880-

2009.......80.0...36.8......................

1980-

2009.......78.9...38.0......................

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Cold should dominate the Northeast w/ successive shots of Canadian air post October 20th +/- a couple days, through the end of the month. MJO will be circulating back into phase 2 in about 10 days which promotes a neg height anomaly over the Northeast. Right now we're in phases 7-8, which at this time of year, argue for strong ridging in the east. Unlike last year I think the MJO may be a more helpful forecasting tool in the MR/LR for the upcoming winter due to a weaker Nina signal (I'll be using it in my winter forecast).

I agree about the MJO tool being useful this year more than normal. But I suppose you could say this is the "obligatory HM agrees with using the MJO" post. The situation into early November is tricky because a phase 3-4 type scenario could be quite a warm scenario over portions of the west-central states. But, given that it is early enough in the month, the waves may be short enough to allow the Canadian pipeline to develop early in the month. Tricky 2-week forecast that's for sure.

Either way, the cold is likely going to come at some point, in earnest, during November in the first half.

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85 degrees is to warm this time of year and I would much rather it be cooler obviously,but with a dew of 48,it is MUCH better than the several days of 80s and the 90 degree temp with dewpoints consistently between 65-70 that was during OCT 2007.

October 1972 was plenty cold, with a bit of snow as well. Would you want that as an omen for the coming winter, as in 1972-3?
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