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May 2023


Brian5671
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As I said yesterday (and latest guidance has done little to change my mind) my expectations are low for beneficial rains this weekend.  Especially from the city westward.  The weekend threat is the only game in town.  If we miss meaningful rain this weekend looks as though we have to wait until around or after the Memorial Day weekend.  Have not looked at ensemble data last day or so but there was some decent support a few days back for a wetter end to the month.  Hope so.  Top soils are very dry. 

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52 minutes ago, MANDA said:

As I said yesterday (and latest guidance has done little to change my mind) my expectations are low for beneficial rains this weekend.  Especially from the city westward.  The weekend threat is the only game in town.  If we miss meaningful rain this weekend looks as though we have to wait until around or after the Memorial Day weekend.  Have not looked at ensemble data last day or so but there was some decent support a few days back for a wetter end to the month.  Hope so.  Top soils are very dry. 

Yep...it's really dried out fast here-low humidity and high sun angle doing the dirty work.

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A cooler air mass is now moving into the region. Fair but unseasonably cool conditions will prevail through the remainder of the week. Readings will warm during the weekend, but some rain is possible. Some of the guidance suggests that temperatures could return to the 80s to close the month.

Typically, a very warm April is followed by a somewhat cooler than normal May in the Middle Atlantic region. Nevertheless, the guidance has persistently suggested that the month will end with a somewhat warmer than normal average.

The ENSO Region 1+2 anomaly was +2.4°C and the Region 3.4 anomaly was +0.5°C for the week centered around May 10. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.57°C and the ENSO Region 3.4 anomaly has averaged +0.28°C. Neutral ENSO conditions will likely prevail through at least mid-spring. El Niño conditions will very likely develop during the summer.

The SOI was -20.05 today.

The preliminary Arctic Oscillation (AO) was +1.646 today.

On May 14 the MJO was in Phase 6 at an amplitude of 1.188 (RMM). The May 13-adjusted amplitude was 1.206 (RMM).

Based on sensitivity analysis applied to the latest guidance, there is an implied 55% probability that New York City will have a warmer than normal May (1991-2020 normal). May will likely finish with a mean temperature near 63.4° (0.2° above normal).

 

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The next 8 days are averaging    64degs.(54/73) or -1.

Month to date is     62.5[+1.3].       Should be     63.0[+0.6] by the 25th.

Reached 79 here yesterday.

Today:   62-66, wind nw.-breezy, p. sunny,  47 tomorrow AM.

59*(48%RH) here at 7am.     57* at 7:30am.      55* at 8:30am.     59* at Noon.      61* at 2pm.      64*(26%RH) at 4pm.       66*(25%RH) at 5pm.

No Rain and First HW:

1684303200-5JncdiuTMz8.png

gfs_apcpn_neus_42.png

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32 minutes ago, CIK62 said:

The next 8 days are averaging    64degs.(54/73) or -1.

Month to date is     62.5[+1.3].       Should be     63.0[+0.6] by the 25th.

Reached 79 here yesterday.

Today:   62-66, wind nw.-breezy, p. sunny,  47 tomorrow AM.

59*(48%RH) here at 7am.     57* at 7:30am.

No Rain and First HW:

1684303200-5JncdiuTMz8.png

gfs_apcpn_neus_42.png

Horrible if true 

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5 hours ago, SnoSki14 said:

If GFS is correct we'd have record low rainfall this month heading into summer

Thats not good 

when was the last good summer for gardening? moderate temps and consistent rainfall... 2014?

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