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Central PA - Summer 2021


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Well, my last rain measurement was 5.77".

It will be my final measurent although we may have gotten a tenth or so more. I had shut the power off to the house, thus shutting down my inside weather station unit. Our breaker box was dripping water as I believe the outside weather cap sealing off the main line coming into the house was leaking. Didn't want and don't need a short circuit and/or a fire.

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Fascinating storm from it's evolution in the Gulf all the way through tonight..  Some amazing statistical anomalies to sort through in the days ahead.  Tomer Burg on Twitter has been posting some of the insane numbers from NJ tonight. 7-8" in 3 hours..  That level of flash-flooding at night in a heavily populated corridor doesn't bode well.

1 minute ago, canderson said:

NYC might get 10” rain tonight. Holy f.

 

29 minutes ago, TheDreamTraveler said:

Apparently the huge tornado in Jersey might have been an EF4. I was reading that it might be the most powerful tornado to ever spawn from a tropical cyclone ever. Also would be NJ's most powerful tornado ever

 

Some of the houses are chopped in half and missing

 

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Official tally here of 5.39", not quite as bad as I thought.  The real miracle is my sump pump didn't even run!  Honestly, I thought we would be mostly okay around here because the rain was juuuuuust spread out enough to avoid major issues and that appears to be mostly the case, outside of some creek flooding.  The river doesn't look to hit even minor flood stage at any station, although the Schuylkill River looks like it may set cresting records at a couple locations.  Conestoga River looks pretty high as well.  The highest totals definitely seem to be across eastern PA into central NJ and NYC.  The highest total I have found in PA so far is off of Cocorahs, with 8.22" near Valley Green in York County, right by @Caveman

Edit:  I see Caveman already pointed out the 8.22 total near Valley Green.  How you faring up that way sir?  My buddy in Etters damn near had his deck ripped off, as he lives right on Fishing Creek.

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29 minutes ago, mahantango#1 said:

53 degrees this morning, it's been awhile since it was in the 50''s

All I know is that it's chilly this morning. I have no weather station readings at the moment. I had to cut power to the house as I had water in the breaker box. The Ambient Weather  monitor doesn't have a battery back-up.

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and thats a wrap to met summer.  Some data for you all to chew on.

Here are some rainfall records from Ida:

New Daily Rainfall Records for September 1st:
Harrisburg (MDT): 6.64"Previous: 3.60" in 1952
Altoona (AOO):5.21" Previous: 1.15" in 1952
Johnstown (JST): 3.29"Previous: 0.95" in 1916
Note: Records in 1952 occurred thanks to the remnants of
Hurricane Able.

Maximum 1-Day Total Precipitation at Harrisburg:
1. 9.13 1972-06-22
2. 7.71 2011-09-07
3. 6.64 2021-09-01***
4. 5.81 1972-06-21
5. 5.72 2013-10-11

Maximum 1-Day Total Precipitation at Altoona:
1. 5.55 2004-09-08
2. 5.28 2004-09-17
3. 5.21 2021-09-01***
4. 5.03 1997-11-07
5. 4.53 1967-09-28

Prelim rankings for August and Summer 2021 (JJA):
Harrisburg: 2nd warmest August; 4th warmest summer
Williamsport: 3rd warmest August; 9th warmest summer

Harrisburg average temperature (JJA)
1. 2020 77.9F
2. 1966 77.6F
3. 2016 77.3F
4. 2021 77.1F***
5. 2010 76.9F

Harrisburg average minimum temperature (JJA)
1. 2020 68.2F
2. 2021 68.1F***
3. 2016 67.9F
4. 2010 67.6F
5. 2005 67.3F

Harrisburg average maximum temperature (JJA)
1.  1966      90.2F
2.  1999      87.7F
3.  2020/1991 87.6F
5.  1943      86.8F
6.  2016      86.7F
7.  1988/1944 86.5F
9.  2002      86.2F
10. 2021      86.1F***

Harrisburg average temperature (Aug)
1. 2016 79.1F
2. 2021 78.3F***

Williamsport average temperature (JJA)
1.  2020/2016 74.4F
3.  1949/1901 74.3F
5.  1900      74.2F
6.  1995/1955 74.0F
8.  2005      73.9F
9.  2021      73.7F***
10. 1991      73.6F

Williamsport average minimum temperature (JJA)
1. 1901      66.2F
2. 1899      64.0F
3. 2005/2021 63.1F***
5. 2016      62.8F

Williamsport average temperature (Aug)
1. 2016 76.1F
2. 1995 75.9F
3. 2021 75.6F***
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