bluewave

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  1. Yeah, the 2010’s had 6 mild winters and 4 cold ones. But 8 with above normal snow and only 2 below. +T +S 12-13 15-16 16-17 17-18 +T - S 11-12 18-19 -T +S 09-10 10-11 13-14 14-15
  2. Yeah, it was the 2 Fridays in mid-January 1996. The first was the the roof collapse at the Massapequa Waldbaums. The second was the historic Northeast flash flood event. https://www.upi.com/Archives/1996/01/12/Roof-collapses-at-NY-supermarket/2528821422800/ https://www.nws.noaa.gov/oh/hrl/surveys/flood96/FL96chp1.htm#INTRODUCTION ISP Jan 96. 1996-01-12 43 19 31.0 0.5 34 0 1.07 1.0 14 1996-01-13 38 31 34.5 4.1 30 0 0.01 0.0 10 1996-01-14 38 28 33.0 2.6 32 0 0.00 0.0 7 1996-01-15 41 20 30.5 0.2 34 0 0.00 0.0 5 1996-01-16 39 16 27.5 -2.8 37 0 T 0.0 5 1996-01-17 44 35 39.5 9.2 25 0 0.10 0.0 3 1996-01-18 50 34 42.0 11.7 23 0 0.02 0.0 2 1996-01-19 56 28 42.0 11.7 23 0 0.64 T
  3. It all depends on the storm tracks. We can have mild and snowy winter. But not a snowy winter with an unfavorable Pacific like last year. That was the worst January flood-cutter on record for many parts of the Northeast. https://www.weather.gov/bgm/pastFloodJanuary1996
  4. The last season for NYC with every month from November to March with below normal temperatures was 95-96. No surprise that that was our snowiest season on record. The January thaw was also accompanied by one of the worst winter flash flood events in the Northeast. NYC Nov....-4.1 Dec....-5.1 Jan.....-2.1 Feb.....-1.5 Mar.....-3.6
  5. This was the warmest June through September melt season on record.The earlier areas of open water had more time to absorb the extra heat. So now it’s taking longer for the Arctic Ocean to release the extra heat back to the atmosphere. Perhaps warm water influx through the Bering Strait also played a role. But I have no way of measuring that. Recent winds (drift circulation) and warmer ocean waters from heat gained during the early spring melt-out
  6. The main reason we had near record low snowfall last DJF was the strong ridge north of Hawaii and fast Pacific jet. Even some Greenland blocking was no match for such an unfavorable Pacific. While 16-17 and 17-18 were also mild, the NP ridge extended far enough north into Alaska for cold storm tracks needed for snow. The start warm with the strong -NAO in March 2018 really helped us out.
  7. Yeah, the -NAO and -EPO gave us many days with onshore flow.
  8. It’s the latest version of the 2010’s stuck weather patterns.
  9. 2019 continues to expand its record breaking daily low extents for late October. The NSIDC 5 day extent is now 5.503 million sq km as of October 20th. This is well below the previous lowest for the date set in 2007 at. 5.946 million sq km. It also places this year 726 k lower than 2012 which was 6.229 million sq km. 2012 was the previous lowest October monthly average extent at 5.890 million sq km.
  10. That’s why we eventually need to shift this -PNA pattern. The storms that do slip to our SE with patterns like this also have marginal antecedent air masses. So it’s more and interior snow and mix or rain at the coast. Not to mention all the cutters and huggers. The NW-SE temperature dipole pattern across the US this month is ridiculous.
  11. I guess we shouldn’t be surprised that the storm came further north with the SE Ridge on steroids.
  12. This is a new paper on how that warm pool in the central and western equatorial Pacific threw off the winter forecasts last year. We were discussing this last winter. So it’s good to see a study done on it. But only the abstract is available.
  13. This has to be one of the most extreme -PNA patterns we ever had in October. It’s the perfect inverse of the October +PNA composite.
  14. We just need some help from the Pacific. The -PNA/SE Ridge combo has been running the table this year. 2019 pattern to date
  15. The models have been struggling post super typhoon recurve. Now the new WPAC developments are compounding the errors.