Bob Chill Posted yesterday at 12:34 AM Share Posted yesterday at 12:34 AM 2 hours ago, Stormchaserchuck1 said: Yeah, something interesting is the CPC NAO index has run significantly higher in the wintertime than what the 500mb composite has looked like. We've had all but 1 +NAO Winters since 10-11. And that one was -0.21. Yea, cpc uses 1000mb surface pressure patterns for its numerical index calc which throws me off at times too because we always look at 500mb height progs. Surface pressure does correlate to 500mb but things get muddy in that dept. Some of which is due to domain space size. I dont worry too much about the numerical index when 500mb looks tasty lol 2 Link to comment Share on other sites More sharing options...
Stormchaserchuck1 Posted 36 minutes ago Share Posted 36 minutes ago It certainly feels like Fall the past 2 days. 60s in the evening both times. It seems like since 2024 every Summer has been hot in the beginning then cool at the end. Another -400dm low over the Arctic today. Again, every May-Sept has had that pattern 60-90N: 2024, 2025, 2026. July-Aug the wettest months of the year again, matching the 2017-2025 pattern. Link to comment Share on other sites More sharing options...
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