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May 2020 General Discussions & Observations Thread


Rtd208
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19 minutes ago, nycwinter said:

who would have thought it would be better in nyc then burlington vermont or caribou maine to escape the heat :)

A version of July 2018 when BTV has an 80 degree minimum temperature and LGA only 79. 

Climatological Data for LAGUARDIA AIRPORT, NY - July 2018

2018-07-01 97 79 88.0

 

2018-07-02 95 77 86.0

 

Climatological Data for BURLINGTON INTERNATIONAL AIRPORT, VT - July 2018
 

 

2018-07-02 97 80 88.5

 

 

 

 

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The afternoon turned out mostly sunny,windy and warm across the region. Highs generally reached the upper 70s to the middle 80s.

A few areas in Quebec continued to experience record warmth. Records included:

Gaspé: 89° (old record: 86°, 1968)   
Îles de la Madeleine: 72° (old record: 71°, 1992)
Rivière-du-Loup: 85° (old record: 80°, 1972)  

Yesterday's final data revealed that Îles de la Madeleine set a new May record high temperature of 78°(25.4°C).

For the Middle Atlantic and southern New England regions, no excessive heat is likely through at least the first week in June. A fresh cool shot could arrive as May concludes and June commences. Warmer weather should follow the cool shot. Late in the first week of June into the start of the second week of June, readings could be in the 80s in at least parts of the region.

The ENSO Region 1+2 anomaly was -0.1°C and the Region 3.4 anomaly was -0.4°C for the week centered around May 20. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +0.12°C and the ENSO Region 3.4 anomaly has averaged +0.20°C. ENSO Region anomalies have continued to cool into late May. Neutral-cool conditions will likely prevail through mid-summer. The probability of the development of a La Niña event during late summer or early autumn has increased.

The SOI was +8.90 today.

Today, the preliminary Arctic Oscillation (AO) figure was +0.320.

On May 28, the MJO was in Phase 8 at an amplitude of 1.366 (RMM). The May 27-adjusted amplitude was 1.485.

June will likely have a temperature anomaly within 1° of normal (some areas on the cool side, others on the warm side) within the Middle Atlantic and southern New England regions.

Based on sensitivity analysis applied to the latest guidance, there is an implied near 100% probability that New York City will have a cooler than normal May. May will likely finish with a mean temperature near 60.2°. That would be the coolest May since 2008 when the monthly temperature was also 60.1°.

 

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2 hours ago, LongBeachSurfFreak said:

Hoping for at least some rain with the second batch. The first line came through the island dry as expected. It must really be drying out over eastern Suffolk which missed last Saturday’s rain 

The start of summer drought season for coastal areas. So far everything’s still green here but crazy how below normal the rain has been with how cool/cloudy it’s been. Just overall boring weather which has been the case for 6 months now. 

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The last 2 days of May are averaging 71degs., or 4degs. AN.

Month to date is  -2.4[59.7].        May should end at  -2.0[60.4].

68* here at 6am., hazy blue sky.      71* by 9am.         73* by Noon.        77* by 3pm.       82* by 4pm.

 

The LR has become dry with near Normal T's.      Two GFS runs in a row w/o a 90-Degree showing up.

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