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October 2013 Observations & Discussions


Rtd208

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Down to 37 here.  A degree colder than sep 24th.

 

 

Our lows probably average out to be the same. You were 1-2F colder than me on Sept 24th and I was 1-2F colder this morning. Strange how radiational cooling can do that sometimes. We both probably had calm winds throughout the night.

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Yeah I was shocked to see how widespread the frost was this morning. We should all get a solid freeze (maybe even hard freeze?) later this week.

 

Seems very likely a few nights later this week and weekend.   Going to be interesting watchig the World Series in BOS

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GFS and ECM continue to be mainly dry or feature minimal precip the next week or so.  Looks like models are continuing to hint that there may be a moderation towards early Nov.  The SE ridge wants to rebuild and this would allow for some moderation fromthe much below normal temps as we head into early nov.  Trough wants to lift out with Ridging shifting back off the west coast.  

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Haven't seen this mentioned anywhere here yet, but October 2013 is shaping up to be an incredibly dry month. Just 0.39" at my station thus far. Looks like another dry week ahead too.

 

Here's a look at some of the driest October's in NYC history:

 

Driest 1963: 0.14, 1924: 0.28, 1879: 0.43, 1892: 0.59, 2001/1909: 0.66, 2000: 0.67, 1897: 0.72, 1918: 0.78, 1946: 0.85

 

                                     
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Really weird: EWR got down to 41, while LGA was stuck at 52. Does EWR typically radiate that much more than NYC and LGA? I figured those three sites would be much closer in temperature...

 

Ive noticed that as well all the way back into August .   EWR does typically radiate better than LGA especially but this year seems a bit more than the usual tendencies.  Perhaps the dry conditions have enahnced EWR more than LGA or EWR.

 

Example:

 

Oct 2011

 

EWR:

10/29:      46   33  

10/30:      48   34  

10/31:      55   32     

 

NYC:

10/29:      45   33  

10/30:      46   33  

10/31:      53   37  

 

LGA:

10/29:      46   33  

10/30:      48   35  

10/31:      53   39  

 

 

2013:

 

EWR:

8/15:      80   58  

8/16:      80   59  

 

9/15:      74   48  

9/17:      66   48  

9/24:      76   47

 

NYC:

 

8/15:      78   59  

8/16:      82   64  

 

9/15:      73   51  

9/17:      65   50  

9/24:      73   47  

 

 

LGA:

8/15:      78   63  

8/16:      81   67  

 

9/15:      73   54  

9/17:      65   49  

9/24:      73   50  

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Ive noticed that as well all the way back into August .   EWR does typically radiate better than LGA especially but this year seems a bit more than the usual tendencies.  Perhaps the dry conditions have enahnced EWR more than LGA or EWR.

 

Example:

 

Oct 2011

 

EWR:

10/29:      46   33  

10/30:      48   34  

10/31:      55   32     

 

NYC:

10/29:      45   33  

10/30:      46   33  

10/31:      53   37  

 

LGA:

10/29:      46   33  

10/30:      48   35  

10/31:      53   39  

 

 

2013:

 

EWR:

8/15:      80   58  

8/16:      80   59  

 

9/15:      74   48  

9/17:      66   48  

9/24:      76   47

 

NYC:

 

8/15:      78   59  

8/16:      82   64  

 

9/15:      73   51  

9/17:      65   50  

9/24:      73   47  

 

 

LGA:

8/15:      78   63  

8/16:      81   67  

 

9/15:      73   54  

9/17:      65   49  

9/24:      73   50  

 

 

Makes sense. Just looked it up: NYC has had 3.25" of rain since September 1, but EWR only has 1.97" in that same timeframe. 

 

Additionally, LGA has had 3.67" of rain since September 1. 

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Haven't seen this mentioned anywhere here yet, but October 2013 is shaping up to be an incredibly dry month. Just 0.39" at my station thus far. Looks like another dry week ahead too.

 

Here's a look at some of the driest October's in NYC history:

 

Driest 1963: 0.14, 1924: 0.28, 1879: 0.43, 1892: 0.59, 2001/1909: 0.66, 2000: 0.67, 1897: 0.72, 1918: 0.78, 1946: 0.85

 

                                     

 

 

I saw Unc had posted this earlier in the week.  2000 may be the best match of these years and that was a decent winter leading to the 2001 season which was the complete opposite. 

 

Anyone able to get the latest MEI value?  Thepage is stuck on Sep  (Jul/Aug) value -.614

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Really weird: EWR got down to 41, while LGA was stuck at 52. Does EWR typically radiate that much more than NYC and LGA? I figured those three sites would be much closer in temperature...

 

 

I think it has a lot to do with EWR's position relative to the other three NYC sites as well. As you know, at night we often see colder air advecting toward warmer air due to the land breeze development. Newark had a light SW wind early this morning which advected the 35 degree air northeastward. Newark's more on the outskirts of the UHI zone and so it seems more prone to cooling from suburbia land breezes. NYC and LGA are center-east in the UHI circle, thus even a light breeze for them doesn't really chill their temps much.

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Haven't seen this mentioned anywhere here yet, but October 2013 is shaping up to be an incredibly dry month. Just 0.39" at my station thus far. Looks like another dry week ahead too.

 

Here's a look at some of the driest October's in NYC history:

 

Driest 1963: 0.14, 1924: 0.28, 1879: 0.43, 1892: 0.59, 2001/1909: 0.66, 2000: 0.67, 1897: 0.72, 1918: 0.78, 1946: 0.85

 

                                     

 

 

I've been mentioning it.  We've had just 0.18" in the past month.   The two months before that were dry too.

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It has been dry but it's not like we should be concerned about it besides some dry lawns and foliage although it could be a problem for those wanting snow this winter. If the dryness continues, then does that mean less snow even if temperatures end up near or colder than normal. 

 

The dryness is having an effect on diurnal temperatures though, they've been a few to several degrees colder than forecast and drop rapidly after sunset, much like a desert tends to do. With this in mind, I fully believe the growing season will end for many outside the coast and immediate city later this week.

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NAM showing that we could get a half inch or more of rain Tuesday night into Wednesday. No one here buys it? I hope we get a decent amount. I want to go outside and mulch the leaves with the mower, but it's way too dry. Dry dirt would fly everywhere. We desperately need some rain to moisten the ground.

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NAM showing that we could get a half inch or more of rain Tuesday night into Wednesday. No one here buys it? I hope we get a decent amount. I want to go outside and mulch the leaves with the mower, but it's way too dry. Dry dirt would fly everywhere. We desperately need some rain to moisten the ground.

Gfs gives us around a quarter inch and the euro is dry

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.  Looks like models are continuing to hint that there may be a moderation towards early Nov. 

 

How come nobody ever writes about "moderation" from abnormally warm temperatures???  If the thermometer drops one degree below normal, all the world chimes in about when will we have some "moderation"?  But when temperatures are abnormally mild, not a word is spoken or speculated about as to when and if temperatures will "moderate" back down to what they should be.

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