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Anyone have an idea of when the last time was around here that a monthly record low was tied or broken?

Pop up storms starting to fire up in the western Piedmont and cumulus clouds building. Cap seems to be breaking down a little ahead of schedule

Sucks to be you. .84” on the day

I know everyone’s excited about the rain but I really don’t like how the tropics are starting to fire up at the end of the model runs. It would be our luck to go from drought to a wet period followed by tropical mischief.

New CPC Winter forecast fwiw. In the last 15 years they actually don't verify as good as you think they would at +2 month lead. Not sure how they do at +7 month lead:

We were wet(rained) a lot of the morning here…drying out now.

Beautiful 59F, House is finally cooling off. The heat is brutal on the roof of my place. Light rain currently.

New CPC Summer seasonal is much warmer than classic developing Strong Nino climo

Haven't seen a forecast like this in a long time. Let's hope it materializes...

Found the site where stratospheric WV is shown at the various levels starting from the tropopause up to the top of the stratosphere. https://acd-ext.gsfc.nasa.gov/Data_services/met/qbo/h2o_mls.html My question is...Has the Hunga Tonga eruption in Jan 2022 greatly affected the climate system over the past few years with such a strong increase in WV within the stratosphere? We know that very large eruptions do affect the system for a few years, but this one was so different than the usual with such a large volume of WV injected so high up. It was awesome enough with the pressure waves circling the globe many times. Here's a slide show of the charts starting from the top down through the stratosphere into the tropopause.

monthly record highs were set with the heat wave. any monthly record lows on the horizon?

First 90 degrees day here yesterday, reached the mid 90s. Also 1.36 inches of rain. Currently 58 degrees.

Sorry you are the guy using "fake math". You aren't maintaining a constant baseline in Chester County. There is only one station from the 1970 network that remains in 2025. On average the the 2025 stations are colder: DEOS vs COOP, or East Nantmeal vs Devault for instance. You are distorting the raw data by changing the station population. My table on the other hand is an unbiased apples to apples comparison, exactly the same data treatment for Chesco and Philly. That shows no difference in warming between Chesco and Philly Airport.

Really a strong graduation. It's still intensifying in the far east

It's 55F right now or nearly a 40F swing in 24hrs

Honestly today feels a lot better than I was expecting after all that heat. 56 currently and very cozy lol Also good to see we might get a lot of rain. Parts really need it bad.

That KW is a monster

Not sure, but I wouldn't bank on much more than 1:1 ratios

As usual, model extremes were wrong... not a shutout like AI-GFS had for days, not a 3-day washout like EC / ens had a few days ago... converging towards a 1.5 of 3 days dry: completely dry Saturday (probably copy of today cloudy highs to 60s) worst day Sunday Monday looks dry 2nd half... Only reason I'm scrutinizing is a family event on Charles Saturday evening so thankful it looks dry

I'm more impressed with the NAM 12

So when is this shit gonna start shifting S? Feels like winter

Given the last couple years its been bleak so yeah, no surprise. EC canes dont exist anymore.

No surprise

Big fan of the 3km NAM. Let's do that.