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Old 09-26-2023, 05:24 AM
 
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ORD temps as of yesterday the 25th

Avg high: 78.2F
Avg low: 61.2F
Mean: 69.7F
Departure: +2.4F

Normal (1991-2020)

Avg high: 76.5F
Avg low: 58.1F
Mean: 67.3F


Midway airport

Avg high: 77.2F
Avg low: 60.8F
Mean: 69.0F
Departure: +0.2F

Normal (1991-2020)

Avg high: 77.5F
Avg low: 60.2F
Mean: 68.8F


IKK is only has data until the 22nd so I will post the averages when it gets updated.








Looks like it will be stormy here today

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Old 09-26-2023, 07:11 AM
 
Location: Near the Coast SWCT
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I have over 19 inches of rain since June 1st! Moss is an issue

Rainfall totals past 96hrs.

Some areas with over 4 inches of rain. Many areas with 2-4"

Ophelia became an occluded low south and southeast of the area.

The region continues to be locked in on an ENE flow regime with high pressure north of the area attempting to build.

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Old 09-26-2023, 07:22 AM
 
Location: Centre Wellington, ON
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Well, we are supposed to get cooler days in the low-mid 60s and nights in the low 50s for the next few days, which is about what would be normal for this time (63F/45F), the long term forecast is continue to show well above average temps deep into October - beginning on Fri-Sat and continue to the end of the 14-day forecast on October 10, the forecast calls for days of 71-79F, and nights of 53-59F. By October 10, the normal temperature would be only 57F/40F, so that would be far above average.

With an average high of 76F and low of 57F over the 11 day stretch of Sep 30-Oct 10, you're looking at torch conditions 15F above normal and may come out warmer than the average for last August (73F/53F).

Speaking of August, it's not out of question that this 11 day stretch will beat it out for hottest day (81.1F on Aug 3, 2022), and that October will have more 80F days (August had only 1) and more 75F days (August had only 9).

The Weather Network seems to think this will eventually be broken by an Arctic blast, maybe around Oct 15-25... If so, that could deliver our first frost.

Hopefully not a too intense frost, since rocoto peppers are said to be able to survive a light freeze, and my plants have a lot of green peppers on them still, and none that are ripe. They are nearing 6ft tall now, so they are doing a good job of reaching past other plants to grab some sun, and are supposed to enjoy days in the 50s-70s and nights in the 40s-50s (as opposed to other peppers that prefer 70s-80s days and 50s-60s nights). It's my first time growing them, and they're supposed to taste very unique, so I'd like to get a decent harvest...
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Old 09-26-2023, 07:47 AM
 
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Quite a pattern could see more 80s after this week. So far ORD has 93 days Midway has 89 and IKK has 88 days. Average at ORD since 1959 is 81 days. Midway since 1981 averages 87 days and IKK has a bunch of years missing in the NWS tool so I can't get a proper average.







Negative PNA very evident in day 10-15 but Erick Snodgrass thinks the second half of October will be much cooler for the eastern two thirds





Also long range looks wet through first week of November






Last 120 days over CONUS and part of Canada Mexico and the Gulf

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Old 09-26-2023, 08:58 AM
 
Location: Centre Wellington, ON
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Quote:
Originally Posted by chicagogeorge View Post
Quite a pattern could see more 80s after this week. So far ORD has 93 days Midway has 89 and IKK has 88 days. Average at ORD since 1959 is 81 days. Midway since 1981 averages 87 days and IKK has a bunch of years missing in the NWS tool so I can't get a proper average.



Dang, you must've been a little over the 80F cut-off a lot (80-87F range) while I was just under it a lot (72-79F range). We've only had 25 80F days this year.
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Old 09-26-2023, 09:03 AM
 
Location: Indiana Uplands
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Just be great to have some rain, no sizable stronger fall fronts for another 10-14 days at the earliest.
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Old 09-26-2023, 09:35 AM
 
Location: Near the Coast SWCT
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2nd day in a row in September. Not common

In fact.. It's been 23 yrs since we had 3-4 days in a row this chilly in September!




The range has been narrow pretty much staying in the 50s for the most past past 4 days. Nuts




Ophelia became an occluded low south and southeast of this area.

The region continues to be locked in on an ENE flow regime with high pressure north of the area attempting to build.
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Old 09-26-2023, 10:52 AM
 
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All three major models are showing very warm conditions over the next 2 weeks





Quote:
Originally Posted by memph View Post
Dang, you must've been a little over the 80F cut-off a lot (80-87F range) while I was just under it a lot (72-79F range). We've only had 25 80F days this year.


ORD has had 36 days of +30C/86F and Midway has had 37 days
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Old 09-26-2023, 11:03 AM
 
Location: Indiana Uplands
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Blowtorch El Nino, textbook way way above average for northern latitude areas.
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Old 09-26-2023, 01:23 PM
 
Location: Centre Wellington, ON
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Quote:
Originally Posted by chicagogeorge View Post

ORD has had 36 days of +30C/86F and Midway has had 37 days
Makes sense, Midway's average high for JJA is 83.2F vs 75.3F here, so 8F warmer. 8F below 86F is 78F, and we've had 35 days of 78F+ this summer, almost the same as Midway's 37 days of 86F+. I guess this is the kind of temperature threshold where things break rather different for us than for you. If we looked at 60F days, I'm sure Chicago would've had more than us, but definitely not 3.5x more as has been the case with the 80F cut-off...

The most 80F days we've had was I believe 1919 with 69 days.
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