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Central PA - Summer 2021


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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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18 hours ago, canderson said:

Hey @sauss06 - you hearing of trees staring to fall over? Hershey and Middletown are out of power and I'm curious if that's why. 

Finally able to get back to posting. I left work at 245 to go home to staff the FD. So yes, we had trees down all over, as well as the normal issues with storms.

14 hours ago, Blizzard of 93 said:

The wind has really picked up recently here.

The wind picked up pretty good around 3 pm. I was awake most of the night, the wind varied in intensity until about 230am when it finally calmed down. I'm not sure what the gust mph was, but around 4 pm, for 20-30 minutes it was crazy. the rain actually looked like it was spinning. It ripped the halyards off our huge flag. we had to go out to pick up our flags. That's about when our call volume increased too. 

11 hours 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

 

 

My asst. chief is on PATF-1. he had been deployed south but they were released and were driving north yesterday through that rain. I'm not exactly sure where they ended up, but were rerouted to philly/NJ/Ny area. 

It never stopped raining at home until about 10pm. Though from 8-10 it was not heavy.

as of 6pm we had just over 6". i'm waiting for my neighbor to get me his final tally. gotta be close to 7"

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So, it looks like the Conestoga River at Lancaster will hit its third highest crest ever, behind only Agnes and Lee.  The Swatara will likely just miss out on a top five showing.  The Schuylkill River at Philadelphia will have its second highest crest ever, behind only October 4, 1869, as we all remember so well.

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3 minutes ago, Bubbler86 said:

Once out of Met summer then had no more gumption to keep up the game. 

C21C3DF2-404A-43AC-B719-C833AD027E70.jpeg.4f9453269beaaf150205016c6565c296.jpeg

Several comments here.

1. it’s 3 days short of a record.

2. this is the first time in recorded history that MDT made it through July and August without dropping below 60.

3. Five of the top ten have been in the last 6 years.

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I think the rainfall was pretty well predicted overall - to me, a bit of a surprise was the apparent strength of some of the tornadic activity. Some very sad images coming out of neighboring states, particularly from New Jersey. 

I didn’t think we would see that type of tornado damage.


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5 minutes ago, Itstrainingtime said:

I think the rainfall was pretty well predicted overall - to me, a bit of a surprise was the apparent strength of some of the tornadic activity. Some very sad images coming out of neighboring states, particularly from New Jersey. 

I saw on TWC, as I was dozing off last night, Ida was still at 999MB at 10PM. 

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7 minutes ago, Itstrainingtime said:

I think the rainfall was pretty well predicted overall - to me, a bit of a surprise was the apparent strength of some of the tornadic activity. Some very sad images coming out of neighboring states, particularly from New Jersey. 

There's long been a theory that ex-tropical systems once inland can't produce monster tornadoes, but rather spinups (EF 0, mayyyybe a 1). 

That NJ tornado looks like an EF 4 to me. 

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1 minute ago, canderson said:

There's long been a theory that ex-tropical systems once inland can't produce monster tornadoes, but rather spinups (EF 0, mayyyybe a 1). 

That NJ tornado looks like an EF 4 to me. 

Well that's exactly what I had been reading about the past few days - the likelihood of spinners was there, but that they would be weak, short-lived, and not pose a significant threat to personal property. That NJ tornado was a bonafide monster. 

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36 minutes ago, TimB84 said:

C21C3DF2-404A-43AC-B719-C833AD027E70.jpeg.4f9453269beaaf150205016c6565c296.jpeg

Several comments here.

1. it’s 3 days short of a record.

2. this is the first time in recorded history that MDT made it through July and August without dropping below 60.

3. Five of the top ten have been in the last 6 years.

All good climate change fodder.  7 of the top ten in the 2000's along with the 5 in the last 6 years.  You can also probably write off the 1901 one as statistical anomaly. 

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