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May 2019 General Discussions & Observations Thread


Rtd208
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15 minutes ago, SnoSki14 said:

They'll trend wetter as we go forward. Focus could be on Sunday night through Tuesday. 

Models slowing down the systems given blocking. Nasty early week with highs only in the low to mid 50s (or colder given coastal signal) with rain. 

Probably but originally today and tomorrow were supposed to be washouts 

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5 minutes ago, bluewave said:

One of the most sharply defined backdoor patterns that we have seen in early May. Be interesting to see if the Euro seasonal is correct about this continuing into the summer. 

 

505D785F-307A-4F05-8ECF-04C92FEAA30A.png.48b8ab16b4e42f760f6e9dd0f732126e.png

 

Yeah about a -0.8 degree departure here after today.... We're either having high temps in the 70's or 50's.

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28 minutes ago, doncat said:

Yeah about a -0.8 degree departure here after today.... We're either having high temps in the 70's or 50's.

Cool maxes and near to slightly above normal minimums. Impressive departure spread between Boston and DC. About -2 at Boston to +7 in DC.

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23 hours ago, bluewave said:

 

 

Bob Henson has a great write-up on the record wet pattern.

https://www.wunderground.com/cat6/Wettest-12-Months-US-History?cm_ven=cat6-widget

The 12 months ending in April 2019 were the wettest year-long period in U.S. records going back to 1895, according to the monthly U.S. climate summary issued Wednesday by the NOAA National Centers for Environmental Information. Averaged across the contiguous U.S., the total of 36.20” made the period from May 2018 to April 2019 the first year-long span ever to top 36”. The old record for any 12-month period was 35.78”, from April 2015 to March 2016.

its back to the high humidity allergy stuff again :(

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2 hours ago, bluewave said:

One of the most sharply defined backdoor patterns that we have seen in early May. Be interesting to see if the Euro seasonal is correct about this continuing into the summer. 

 

505D785F-307A-4F05-8ECF-04C92FEAA30A.png.48b8ab16b4e42f760f6e9dd0f732126e.png

 

This is the anniversary of the big May 9, 1977 snowstorm! And today Duluth had almost a foot of snow!  Their biggest May snowstorm on record!

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some coldest May days...

latest 36 degrees...5/10/1966....5/11/1913

latest 38 degrees...5/19/1976

latest 39 degrees...5/24/1963

latest 48 degree maximum...5/19/1950

latest 47 degree maximum...5/27/1961

latest 46 degree maximum...5/25/19667

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13 hours ago, LibertyBell said:

This is the anniversary of the big May 9, 1977 snowstorm! And today Duluth had almost a foot of snow!  Their biggest May snowstorm on record!

The high temperature range has really been muted by all the rain, clouds, and backdoor easterly flow. This is the first spring since 2000 that NYC and Newark only reached 80 degrees by May 10th. 

Time Series Summary for NY CITY CENTRAL PARK, NY
Click column heading to sort ascending, click again to sort descending.
Ending Date
Highest Max Temperature Mar 1 to May 10
Missing Count
2019-05-10 80 1
2018-05-10 92 0
2017-05-10 87 0
2016-05-10 82 0
2015-05-10 85 0
2014-05-10 83 0
2013-05-10 82 0
2012-05-10 88 0
2011-05-10 83 0
2010-05-10 92 0
2009-05-10 92 0
2008-05-10 84 0
2007-05-10 86 0
2006-05-10 83 0
2005-05-10 87 0
2004-05-10 85 0
2003-05-10 88 0
2002-05-10 96 0
2001-05-10 92 0
2000-05-10 93 0
Time Series Summary for NEWARK LIBERTY INTL AP, NJ
Click column heading to sort ascending, click again to sort descending.
Ending Date
Highest Max Temperature Mar 1 to May 10
Missing Count
2019-05-10 80 1
2018-05-10 94 0
2017-05-10 87 0
2016-05-10 83 0
2015-05-10 88 0
2014-05-10 84 0
2013-05-10 85 0
2012-05-10 88 0
2011-05-10 87 0
2010-05-10 92 0
2009-05-10 93 0
2008-05-10 82 0
2007-05-10 86 0
2006-05-10 83 0
2005-05-10 88 0
2004-05-10 88 0
2003-05-10 88 0
2002-05-10 97 0
2001-05-10 94 0
2000-05-10 94

 

 

 

 

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13 hours ago, uncle W said:

some coldest May days...

latest 36 degrees...5/10/1966....5/11/1913

latest 38 degrees...5/19/1976

latest 39 degrees...5/24/1963

latest 48 degree maximum...5/19/1950

latest 47 degree maximum...5/27/1961

latest 46 degree maximum...5/25/19667

NYC should finally get some below normal 40’s minimums next week to go with the cooler maxes.

KNYC   GFSX MOS GUIDANCE   5/10/2019  0000 UTC
FHR  24| 36  48| 60  72| 84  96|108 120|132 144|156 168|180 192
FRI  10| SAT 11| SUN 12| MON 13| TUE 14| WED 15| THU 16| FRI 17 CLIMO
X/N  72| 55  70| 51  58| 48  56| 45  56| 47  65| 54  68| 54  73 53 71
TMP  67| 55  63| 52  51| 51  49| 47  51| 49  59| 57  62| 57  66
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48 minutes ago, bluewave said:

NYC should finally get some below normal 40’s minimums next week to go with the cooler maxes.


KNYC   GFSX MOS GUIDANCE   5/10/2019  0000 UTC
FHR  24| 36  48| 60  72| 84  96|108 120|132 144|156 168|180 192
FRI  10| SAT 11| SUN 12| MON 13| TUE 14| WED 15| THU 16| FRI 17 CLIMO
X/N  72| 55  70| 51  58| 48  56| 45  56| 47  65| 54  68| 54  73 53 71
TMP  67| 55  63| 52  51| 51  49| 47  51| 49  59| 57  62| 57  66

Some guidance even suggests daytime temps in the 40s with the two coastal like storms Sun-Tue. 

My current forecast is low 50s Sun/Mon.

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6 minutes ago, SnoSki14 said:

Some guidance even suggests daytime temps in the 40s with the two coastal like storms Sun-Tue. 

My current forecast is low 50s Sun/Mon.

Very impressive to get a MJO 8 stall along with such a -NAO/-AO. Probably would have resulted in a KU had this been the winter.

 

EBC9B67B-DDD5-47D4-B9E3-30A66FB32348.gif.abbf15e82e66893368ddac1265d5884d.gif

6AFF872E-785A-4844-92FA-536BE3C8A46E.png.667ea3480d83423fac04a96771ea9fab.png

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1 hour ago, bluewave said:

NYC should finally get some below normal 40’s minimums next week to go with the cooler maxes.


KNYC   GFSX MOS GUIDANCE   5/10/2019  0000 UTC
FHR  24| 36  48| 60  72| 84  96|108 120|132 144|156 168|180 192
FRI  10| SAT 11| SUN 12| MON 13| TUE 14| WED 15| THU 16| FRI 17 CLIMO
X/N  72| 55  70| 51  58| 48  56| 45  56| 47  65| 54  68| 54  73 53 71
TMP  67| 55  63| 52  51| 51  49| 47  51| 49  59| 57  62| 57  66

I really can't believe that we just keep going back to this crap.

 50's during the day is way BN.  In fact, it's hard to remember a May with such grey days and cool highs.  The small diurnal range is making the average look "better" than it really is.

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From my experience these back doors don't meet heavy resistance until June especially in this pattern. As usual by the time we get nice weather it will be hot

Sent from my SM-N960U using Tapatalk

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1 hour ago, psv88 said:

Make it end.

Agreed, with out sun reaching the coastal waters they aren’t warming up. It’s going to be a while. Although this will pay off in early summer by muting any potential heat at the coast. (Except for any straight west flow heat days)

one thing for sure though is plants love it. The grass on my campus is about as green as I have ever seen it!

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