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October 2011 General Discussion/Obs


Chicago Storm

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KCLE is going to most likely break the record for wettest year ever at some point before midnight...

We started the day 1.37" under the record, and have seen 1.11" today. We are 0.26" behind the record as of 5PM, and the airport has recorded .13" of rain per hour the last two hours and this shows little sign of abating soon.

Yeah. It's likely been broken this hour. Playing around with some personal weather stations on wunderground, there is a station in Parma that just crossed the 60" mark for the year today compared with CLE's ~54" total.

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And new all time wettest year on record set for Cleveland with roughly 2 and half more months left to go! A record that will literally be blown out of the water come December 31st.

Hopefully the tap doesn't shut off when the cold air arrives. My yard is under water, and probably will be until Spring. Just incredible the amount of rain we have had.

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Hopefully the tap doesn't shut off when the cold air arrives. My yard is under water, and probably will be until Spring. Just incredible the amount of rain we have had.

Basically we got the 2 snowstorms in March when the wet pattern began. Otherwise, I'm afraid of things drying out when the snow season arrives.

Another way to look at this rain record is that it's the equivalent of hitting the 117.9" snowfall record in late February.

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Basically we got the 2 snowstorms in March when the wet pattern began. Otherwise, I'm afraid of things drying out when the snow season arrives.

Another way to look at this rain record is that it's the equivalent of hitting the 117.9" snowfall record in late February.

Well, YNG broke the old record of 102.8" from 2007-08 on February 25 last year, en route to finishing with 118.7 inches. And that's despite having the latest first measurable snow on record (first time there was no measurable snow before December 1).

This year, I'm kind of keeping my eye out on the latest first freeze. I went back in the records to 1948 and the latest I found in that time frame was November 4 in 1973, I believe. There's a chance it may reach freezing this weekend, but every forecast I've seen shows mid 30s and the saturated ground will probably make it tough to get below 33 (because I imagine that would take a lot of latent heat to freeze over all the water). In any case, it should be one of the longest growing seasons on record as the last spring freeze was also very early.

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Well, YNG broke the old record of 102.8" from 2007-08 on February 25 last year, en route to finishing with 118.7 inches. And that's despite having the latest first measurable snow on record (first time there was no measurable snow before December 1).

This year, I'm kind of keeping my eye out on the latest first freeze. I went back in the records to 1948 and the latest I found in that time frame was November 4 in 1973, I believe. There's a chance it may reach freezing this weekend, but every forecast I've seen shows mid 30s and the saturated ground will probably make it tough to get below 33 (because I imagine that would take a lot of latent heat to freeze over all the water). In any case, it should be one of the longest growing seasons on record as the last spring freeze was also very early.

It's been interesting to follow YNG's rainfall reporting... seems very similar to other reporting stations. Wonder why snowfall is so different there?

Haven't had anything close to a frost or freeze yet. Pretty typical though close to the lakeshore.

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Through October 20, the lowest temp at ORD this season has only been 41F. Going back to 1959 (when records started being kept at ORD), this ties 2005 as the latest in the season without a temp below 41F.

In the 1971-72 cold season, it didn't fall below 39F until October 31...I think that record will remain safe, as ORD may hit 37-38F tomorrow morning.

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Hmm.....typical Nina pattern for the next 1-2 weeks :Dlmaosmiley.gif

The pattern in general for the past few weeks has resembled a typical Nina pattern as well. Thus far 2007 and 2008 seem like reasonable analogues to use and other analogues include 1974-75, 1971-72, 1970-71, 1964-65, 1955-56, 1917-1918 and 1907-08.

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Here is a nice article for some of the novices in particular that talks about the la nina pattern and how the AO "could" trump it at times this winter. Looks like we could see a little bit of everything this winter from sub zero and heavy snow to rapid transitions to milder spells and then back to cold. Anyhow I will post the link, I'm sure many have read this but it was informative.

http://www.noaanews.noaa.gov/stories2011/20111020_winteroutlook.html

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It's been interesting to follow YNG's rainfall reporting... seems very similar to other reporting stations. Wonder why snowfall is so different there?

Haven't had anything close to a frost or freeze yet. Pretty typical though close to the lakeshore.

I really wish all the major climate reporting stations kept track of the liquid equivalent snowfall for each day, unfortunately with so many rain/snow events and ice storms it's nearly impossible to go back and recalculate. It would be great to compare seasonal liquid equivalent snowfalls versus comparing measured snowfalls. I would not be surprised to see some 60" snowfall winters have the same liquid equivalents as some 30" snowfall winters.

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ORD had a high of 46 today and 49 yesterday.

These are the first back-to-back days with sub-50 high temps since April 19 & 20th (38/43)

April 19th was very interesting as there was a HUGE temp contrast from north to south in Illinois. Temps over northern Illinois never got out of the 30s while the southern half of the state saw temps at or above 80. My avatar pic was a tornado we intercepted in central Illinois that day while northern Illinois was trapped in shallow cold air north of the WF.

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April 19th was very interesting as there was a HUGE temp contrast from north to south in Illinois. Temps over northern Illinois never got out of the 30s while the southern half of the state saw temps at or above 80. My avatar pic was a tornado we intercepted in central Illinois that day while northern Illinois was trapped in shallow cold air north of the WF.

We headed out of DeKalb in the morning socked in low clouds and fog, then eventually having a quick jump from the 40's and into the 70's as we headed south on 39.

I remember the clouds bases were so low up around DeKalb, the wind turbines were partially in the clouds.

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GRR.

It's been pouring for over 12 hours straight from a pesky lake effect rain band over Greater Cleveland. Perusing some of the wunderground personal weather stations, some locales are already over an inch of lake effect rain overnight. Easily would have been a surprise 12"+ snowstorm had this been a few weeks later.

post-599-0-83086500-1319192698.png

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First time LAF has had 3 consecutive sub 50º high temps in October since...October 25-27, 2001 (49, 42, 46).

Here's the other Octobers that had at least 3 consecutive sub 50º high temps at LAF, since 1964: Oct 29-31, 1993...Oct 18-20, 1989...Oct 24-26 and 28-30, 1988...Oct 22-24, 1981...Oct 25-29, 1980...Oct 19-23 and 25-28, 1976...Oct 9-11 and 25-28, 1967.

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