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October 2017 Discussions & Observations Thread


bluewave

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52 minutes ago, Drz1111 said:

This is why all the braying about the dry spell is stupid.  This year has been an extreme example to be sure, but early fall in the NE is almost always about long periods of dry (or dryish) weather punctuated by brief events with a tropical connection.

Hasn't rained yet.  A lot can change b/w now and next Monday

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42 minutes ago, uncle W said:

2017 is in some good company on that list...2017 could be numbero uno when all is said and done...it's been dry and warm lately but that's not unusual for this time of year...in 1922 it was very dry and the temp reached 89 on 10/5...

http://bklyn.newspapers.com/image/60008290/$1900

http://bklyn.newspapers.com/image/60008309

http://chroniclingamerica.loc.gov/lccn/sn83030214/1922-10-06/ed-1/seq-9/

http://chroniclingamerica.loc.gov/lccn/sn83030214/1922-10-06/ed-1/seq-24/

Fall (SON) temperatures for our climate division have been rising at +0.8 F per decade since 1980. Maxes have been increasing at +0.7 while mins by +0.9 per decade.

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8 minutes ago, SnoSki14 said:

The Euro shows no break in the heat, it keeps recycling the ridge for the entire run. 

What's the hottest October on record?

October 2013 is up there....amazing (and probably Lucky) that this waited to mid September to develop.   Imagine this pattern starting around July 1st....

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1 hour ago, Brian5671 said:

Hasn't rained yet.  A lot can change b/w now and next Monday

And there will be other opportunities to get tropical moisture up here as flow becomes more meridional with the change of seasons.  Last two weeks of September is almost always dry w/o help from the tropics.  We're relatively stable with the lowering sun angle, and troughiness is climatologically favored in the Rockies.  Twas ever thus.

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9 minutes ago, Drz1111 said:

And there will be other opportunities to get tropical moisture up here as flow becomes more meridional with the change of seasons.  Last two weeks of September is almost always dry w/o help from the tropics.  We're relatively stable with the lowering sun angle, and troughiness is climatologically favored in the Rockies.  Twas ever thus.

Good luck with that with tropical activity shutting down and the ridge staying over the east.   As we get into November I would agree, but October looks to be warm and dry at this juncture-check out the euro weeklies if you have access....

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5 minutes ago, Brian5671 said:

Good luck with that with tropical activity shutting down and the ridge staying over the east.   As we get into November I would agree, but October looks to be warm and dry at this juncture-check out the euro weeklies if you have access....

I mean, climatology is climatology. 

cliPCPNdur.gif

cliPCPNdur.gif

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I am rooting for the very wet 0z Euro and GFS to pan out over the drier NAM with Nate's remnants. It would be nice to see this expanding dryness get shaved back. The EPS continues the very strong ridge over the Northeast well into October. So this may be the best rainfall opportunity we get for a while. Tropical moisture has been hard to come by during recent falls.

 

20171003_northeast_none.thumb.png.8baaa117cbe185de96b9d85d1254e8c0.png

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44 minutes ago, bluewave said:

I am rooting for the very wet 0z Euro and GFS to pan out over the drier NAM with Nate's remnants. It would be nice to see this expanding dryness get shaved back. The EPS continues the very strong ridge over the Northeast well into October. So this may be the best rainfall opportunity we get for a while. Tropical moisture has been hard to come by during recent falls.

 

20171003_northeast_none.thumb.png.8baaa117cbe185de96b9d85d1254e8c0.png

The 06Z GFS is quite a bit wetter and looks to hold onto the precipitation longer. I am hoping that future runs will actually get even a bit wetter since we can really use the rain.

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15 minutes ago, Rtd208 said:

The 06Z GFS is quite a bit wetter and looks to hold onto the precipitation longer. I am hoping that future runs will actually get even a bit wetter since we can really use the rain.

We really need to maximize the rainfall with this since the EPS keeps the ridge over our area well into October. This may be the only tropical remnants opportunity we get with such deep moisture. The October average around here is 4.40".

ecmwf-ens_z500aMean_namer_1.thumb.png.6ac4e80b68a6fc3de9f7d750b76820fb.png

ecmwf-ens_z500aMean_namer_6.thumb.png.4bf7a860b379109331be7ffb6bbba130.png

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2 hours ago, CIK62 said:

Next 8 days still averaging 71degs., or +10degs.

Just a few days near normal at mid-month and again to start Nov.---but first 3 weeks of Nov. looks likes another hell-hole period, right now.

A torch Oct-Nov is a guaranteed warm winter so I don't understand any calls of cold, snowy winter. 

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On Sunday and Monday, record highest minimum temperatures for a number of local locations will likely be challenged and possibly broken.  The following are the forecasts from the 10/6 0z GFS MOS:

Bridgeport:
10/8 67° (record: 72°, 2005)
10/9 69° (record: 68°, 1990)

Islip:
10/8 65° (record: 72°, 2005)
10/9 66° (record: 69°, 1990)

New York City:
…Central Park:
10/8: 69° (record: 67°, 2007)
10/9: 69° (record: 68°, 1990)

…JFK:
10/8: 66° (record: 66°, 2007)
10/9: 68° (record: 68°, 1959)

…LGA:
10/8: 70° (record: 70°, 1941)
10/9: 69° (record: 69°, 1990)

Newark:
10/8: 70° (record: 66°, 2007)
10/9: 74° (record: 69°, 1990)

White Plains:
10/8: 66° (record: 62°, 2007)
10/9: 67° (record: 67°, 1990)

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1 hour ago, SnoSki14 said:

A torch Oct-Nov is a guaranteed warm winter so I don't understand any calls of cold, snowy winter. 

Yeah, but in recent years we've still managed to get snowstorms in between the warmer periods.  2016 was a good example, as was last March.

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