Dr. Jeff Masters' WunderBlog

Heavy snow collapses Minneapolis Metrodome roof
Posted by: Dr. Jeff Masters, 06:22 PM GMT del 12 Dicembre 2010 +2
A raging December blizzard buried Minneapolis, Minnesota under 17 inches of snow over the weekend, triggering the collapse early this morning of the air-inflated roof of the Minneapolis Metrodome, home of the Minnesota Vikings football team. The storm roared out of Canada on Friday morning, bringing heavy snow, sustained winds of 25 – 35 mph, and blizzard conditions through Montana, North Dakota, South Dakota, Minnesota, Wisconsin, and Michigan. The heaviest snows occurred near Osceola, Wisconsin, where 23 inches fell. The storm also dumped 21" at Noisy Basin, Montana, 14" in Williston, ND, and 14" in Negaunee, MI. Officially, 17.1” of snow fell at the Minneapolis airport; 16.3” of it on Saturday. Saturday's snow amounted to 1.75” of melted precipitation, for a snow-to-water equivalent ratio of 9:1. For those of you who've ever shoveled snow know, that's a very wet, heavy snow, and its no wonder the roof of the Metrodome had trouble with such a huge weight of snow.


Figure 1. Amount of precipitation for the 24 hours ending at 1am EST Sunday, in melted snow equivalent. Up to two inches of precipitation fell (brown colors) near the Minnesota-Wisconsin border. Image credit: NOAA /NOHRSC.

In the wake of the storm, bitterly cold air from Canada will sweep southwards into the U.S., and high temperatures near 0°F are expected for Minneapolis on Monday. Lows near -30°F are expected in northern Minnesota near International Falls on Monday night. The cold will penetrate into Florida's orange groves Monday night, with lows in the mid-20s expected in Orlando.

Jeff Masters
Dec MPLS Snow Storm (Holocron)
Dec MPLS Snow Storm
()
Window Frost (tomekandjola)
Window Frost
Categories: Winter Weather
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501. GeoffreyWPB 03:53 AM GMT del 14 Dicembre 2010    
No one is a failure who has friends.
Member Since: Settembre 10, 2007 Posts: 0 Comments: 9124
502. pottery 03:54 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


Listen to you, 70's modern? How you doing, pot?

Doing good!
Well, it's more current than the 40's, where Geof and them seem stuck.
LOL
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
504. flsky 03:56 AM GMT del 14 Dicembre 2010    
Quoting hydrus:
darn.

Just get out your sleeping bag and lay on the
Quoting Grothar:


Thanks, mossy. Actually, astronomy has been a hobby of mine since I was a kid (and no wise-cracks, hydrus) I still get a kick looking at the skies. Bad thing is, at my age and can't pull my head far enough back anymore.

Just lay on the ground (snow?) in your sleeping bag!
Member Since: Ottobre 24, 2006 Posts: 0 Comments: 1271
505. pottery 03:56 AM GMT del 14 Dicembre 2010    
Quoting Ossqss:


Interestingly, I have watched T-storms form in close proximity to the interstate in my neck of the woods. Old timers tell you that did not happen there prior. I can only imagine how paving, net net, has impacted weather. Let alone the unimaginable things that all of the wireless communications/energy emissions that did not exist way back when, provide. Think about the Satellite, cell towers/phones, microwaves, radar and on and on.

Just sayin, there is much more to the story that has not been evaluated, understood, or modeled in depth, but its still cold in Florida, in my garage, as I type, so Gnight :)

Yeah, good point!
I think that we all agree, that Climate is changing.
The reasons for that, are what gets us all flummoxed!
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
506. PSLFLCaneVet 03:57 AM GMT del 14 Dicembre 2010    
Quoting GeoffreyWPB:
No one is a failure who has friends.



Word!!! Nuff said.
Member Since: Luglio 23, 2010 Posts: 0 Comments: 12406
507. GeoffreyWPB 03:57 AM GMT del 14 Dicembre 2010    
Member Since: Settembre 10, 2007 Posts: 0 Comments: 9124
508. pottery 03:59 AM GMT del 14 Dicembre 2010    
Quoting PSLFLCaneVet:



LOL. Here's yer 70's:







That's more like it...
seems like just yesterday.................
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
509. Skyepony (Mod) 03:59 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
Maine milder than central Florida.




Baffin/Newfoundland Bay & Hudson bay aren't near as froze as they should be. It shows in last weeks SST anomolies.. It sets up a high that usually isn't there.

Freeze already so I can get my winter back from Maine!
Member Since: Agosto 10, 2005 Posts: 144 Comments: 29323
510. Grothar 03:59 AM GMT del 14 Dicembre 2010    
Quoting flsky:

Just get out your sleeping bag and lay on the
Just lay on the ground (snow?) in your sleeping bag!


Sure, easy for you to say. They will find my body frozen in the morning.
Member Since: Luglio 17, 2009 Posts: 56 Comments: 19527
511. Neapolitan 03:59 AM GMT del 14 Dicembre 2010    
Quoting Jeff9641:
AGW is a Democratic scar tactic. Yeah we have some warming but not to the degree as some on here insist with their jam it down your throat tactic.

"Some warming"?

Just three days ago NASA reported that the "meteorological year" spanning from December 2009 to November 2010 was the warmest in that agency's 131 years of record keeping. This in light of A) the current minimum of solar irradiance, the deepest in a century, which is having its maximum cooling effect, and B) the strong La Nina which got underway last summer, and has helped to hold temperatures down.

Get that? NASA says that, in spite of two major cooling motivators, the planet has just gone through its warmest 12-month period in the past 1,572. As the NASA report states: "Contrary to frequent assertions that global warming slowed in the past decade... global warming has proceeded in the current decade just as fast as in the prior two decades."

While I'm at it and before I go, I wanted to add a piece of data someone asked me for the other day: US record daily highs outnumbered record daily lows for the first 11 months of the year 11,337 to 3,436, or roughly 3.29 to 1. By comparison, here are the ratios of record highs to record lows over the past five decades:

1960s - 0.77:1
1970s - 0.78:1
1980s - 1.14:1
1990s - 1.36:1
2000s - 2.04:1
2010s - 3.29:1 (to date)

Notice any trends?

So, no throat-jamming. Just facts. Feel free to use them--or ignore them--as you will...
Member Since: novembre 8, 2009 Posts: 4 Comments: 11154
512. caneswatch 04:00 AM GMT del 14 Dicembre 2010    
Quoting GeoffreyWPB:
No one is a failure who has friends.


+1
Member Since: Ottobre 8, 2008 Posts: 14 Comments: 4473
513. PSLFLCaneVet 04:01 AM GMT del 14 Dicembre 2010    


Dang it, I seem to post right when the page changes.






Member Since: Luglio 23, 2010 Posts: 0 Comments: 12406
515. EnergyMoron 04:02 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


I don't think a 15 watt bulb puts out much heat.


Yes, but there are a total of 19 7 watts in the ceiling fans + a whole bunch of other little ones (there was a payout in going from the 13 watt to the 7 watt... could even quantify it with the smart meter data... instead of relying on the bills).

Really, even last year when it was in the 20's, my temperature went up about 2 degrees until lights out. And then plunged from 72 to 66 overnight without heat (hint... if moving to a system that uses water for heating make sure you can isolate it in the deep south!).
Member Since: Dicembre 8, 2009 Posts: 0 Comments: 3
516. pottery 04:03 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


Sure, easy for you to say. They will find my body frozen in the morning.

Not if you quaff some anti-freeze first....
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
517. caneswatch 04:03 AM GMT del 14 Dicembre 2010    
Member Since: Ottobre 8, 2008 Posts: 14 Comments: 4473
518. Grothar 04:03 AM GMT del 14 Dicembre 2010    
Quoting pottery:

Doing good!
Well, it's more current than the 40's, where Geof and them seem stuck.
LOL


You know the old saying, pot. "It is OK to look back; just don't stare." I am sure GeoffWPB remembers the 30's and 40's better than I, but they were nice times. Those songs bring back many fond memories of nices days.
Member Since: Luglio 17, 2009 Posts: 56 Comments: 19527
520. EnergyMoron 04:05 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
Paint the asphalt white and use black lines might help.



Actually Doc has a blog entry on the topic of the bad measurements

Watt's up Doc
Member Since: Dicembre 8, 2009 Posts: 0 Comments: 3
521. DontAnnoyMe 04:06 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
Some record highs were set in Maine today.


Not totally unexpected, with that big low blowing in warm air off the Gulf Stream. NB and NS in Canada are getting a taste of it now.
Member Since: Settembre 21, 2010 Posts: 1 Comments: 3690
522. pottery 04:07 AM GMT del 14 Dicembre 2010    
Quoting Neapolitan:

"Some warming"?

Just three days ago NASA reported that the "meteorological year" spanning from December 2009 to November 2010 was the warmest in that agency's 131 years of record keeping. This in light of A) the current minimum of solar irradiance, the deepest in a century, which is having its maximum cooling effect, and B) the strong La Nina which got underway last summer, and has helped to hold temperatures down.

Get that? NASA says that, in spite of two major cooling motivators, the planet has just gone through its warmest 12-month period in the past 1,572. As the NASA report states: "Contrary to frequent assertions that global warming slowed in the past decade... global warming has proceeded in the current decade just as fast as in the prior two decades."

While I'm at it and before I go, I wanted to add a piece of data someone asked me for the other day: US record daily highs outnumbered record daily lows for the first 11 months of the year 11,337 to 3,436, or roughly 3.29 to 1. By comparison, here are the ratios of record highs to record lows over the past five decades:

1960s - 0.77:1
1970s - 0.78:1
1980s - 1.14:1
1990s - 1.36:1
2000s - 2.04:1
2010s - 3.29:1 (to date)

Notice any trends?

So, no throat-jamming. Just facts. Feel free to use them--or ignore them--as you will...

Trends ??
Nah!
Those aren't trends, those are somehow erroneous numbers.
Everyone knows that.
NASA works for Big Business....
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
523. GeoffreyWPB 04:08 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


You know the old saying, pot. "It is OK to look back; just don't stare." I am sure GeoffWPB remembers the 30's and 40's better than I, but they were nice times. Those songs bring back many fond memories of nices days.


I'm not that old. I like history, old songs...long before I was around.
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524. Ossqss 04:09 AM GMT del 14 Dicembre 2010    
1970's , I think I remember that :) out

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525. flsky 04:10 AM GMT del 14 Dicembre 2010    
Quoting PSLFLCaneVet:



LOL. Here's yer 70's:







Thanks for the Billy Joel. A musical genius, in my humble opinion.
Member Since: Ottobre 24, 2006 Posts: 0 Comments: 1271
526. pottery 04:11 AM GMT del 14 Dicembre 2010    
Quoting GeoffreyWPB:


I'm not that old. I like history, old songs...long before I was around.

Me too!
"they dont do them like that, anymore" is true. Especially music.
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
527. Skyepony (Mod) 04:11 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
A few places in Greenland are warmer than Central Florida right now.  As in this location.

I'm surprised that this airmass is as cold as it is without Hudson's Bay properly frozen.



Wow 39º in Greenland. I'm at 35.6º in East Central FL.
Member Since: Agosto 10, 2005 Posts: 144 Comments: 29323
528. pottery 04:13 AM GMT del 14 Dicembre 2010    
Quoting Skyepony:


Wow 39º in Greenland. I'm at 35.6º in East Central FL.

LOL that's incredible!!
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
529. Grothar 04:15 AM GMT del 14 Dicembre 2010    
Quoting pottery:

Me too!
"they dont do them like that, anymore" is true. Especially music.


Like this?

Member Since: Luglio 17, 2009 Posts: 56 Comments: 19527
530. pottery 04:15 AM GMT del 14 Dicembre 2010    
Strangely enough, I am at 24 degrees.

But then, that's Celcius (74F)
Very nice!
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531. EnergyMoron 04:17 AM GMT del 14 Dicembre 2010    
Grothar:

Actually, at 71 degrees right now in the house... 70 when I got home and no heating runs.

In addition to the lights

1) 1 daughter took a shower
2) opening and closing refrigerator (which generates overall heat since the heat must be removed from the frig at less than 100% efficiency... think about it)
3) 0.12 kwH of microwave activity (I am kill-a-watting owing to the stupidity of lack of Texas net metering and have to figure out a way to use power during peak).
4) computers.

No ceiling fans on I hope.

All that stuff added energy, enough to heat the house by 1 F.

It was 2 F before I downsized to the 7 and 10 watt bulbs though.

7.8 C right now
Member Since: Dicembre 8, 2009 Posts: 0 Comments: 3
532. docrod 04:17 AM GMT del 14 Dicembre 2010    
Quoting Skyepony:


Wow 39º in Greenland. I'm at 35.6º in East Central FL.


OK - that's it. I'm moving to Maine or Greenland. (I live in the central FL Keys).

Regarding all the music links lately - anyone got the "Girl from Ipanema goes to Greenland".
8>)

- thanks Sky
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533. PSLFLCaneVet 04:18 AM GMT del 14 Dicembre 2010    
Quoting flsky:

Thanks for the Billy Joel. A musical genius, in my humble opinion.




Thank you sky. I'm glad you liked it.
Member Since: Luglio 23, 2010 Posts: 0 Comments: 12406
534. pottery 04:18 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


Like this?


Nice!
Brenda Lee, Connie Francis, and a whole lot of them that I cant remember the names of.
Broke my heart, all of them......
Member Since: Ottobre 24, 2005 Posts: 0 Comments: 20708
536. Grothar 04:19 AM GMT del 14 Dicembre 2010    
Quoting EnergyMoron:
Grothar:

Actually, at 71 degrees right now in the house... 70 when I got home and no heating runs.

In addition to the lights

1) 1 daughter took a shower
2) opening and closing refrigerator (which generates overall heat since the heat must be removed from the frig at less than 100% efficiency... think about it)
3) 0.12 kwH of microwave activity (I am kill-a-watting owing to the stupidity of lack of Texas net metering and have to figure out a way to use power during peak).
4) computers.

No ceiling fans on I hope.

All that stuff added energy, enough to heat the house by 1 F.

It was 2 F before I downsized to the 7 and 10 watt bulbs though.

7.8 C right now


All I can say is, I am glad you were not my science teacher. Got this thing down to the Celsius, eh? Impressive.
Member Since: Luglio 17, 2009 Posts: 56 Comments: 19527
537. EnergyMoron 04:20 AM GMT del 14 Dicembre 2010    
Negative NAO

It's going to get warmer this winter folks... wouldn't be surprised if this ain't the coldest it gets down south....

But wouldn't be surprised if the above is erroneous either...

but la nina is la nina and the NAO is the NAO.
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538. PSLFLCaneVet 04:20 AM GMT del 14 Dicembre 2010    


37.8. It's a mite chilly.
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539. flsky 04:21 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
A few places in Greenland are warmer than Central Florida right now.  As in this location.

I'm surprised that this airmass is as cold as it is without Hudson's Bay properly frozen.


I've spoken to a few visitors from IL, IN, ME recently in ECF and they're VERY pissed off w/our weather.
Member Since: Ottobre 24, 2006 Posts: 0 Comments: 1271
541. EnergyMoron 04:21 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


All I can say is, I am glad you were not my science teacher. Got this thing down to the Celsius, eh? Impressive.


Yes, I am ruthless against all violators of the first and second laws (especially when it involves commercial grade software, but I cannot go there).
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542. PSLFLCaneVet 04:22 AM GMT del 14 Dicembre 2010    
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544. PSLFLCaneVet 04:26 AM GMT del 14 Dicembre 2010    
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545. EnergyMoron 04:29 AM GMT del 14 Dicembre 2010    
Quoting Grothar:


All I can say is, I am glad you were not my science teacher. Got this thing down to the Celsius, eh? Impressive.


Howdy Grothar:

Let's talk summer cooking (I know, not seasonal) since much more important on bills.

Obviously I do a lot of pre-calculation and was surprised that my improvements to AC were not doing as well as expected when I first did them.

Okay, I should have dropped to 1,200 kWH per summer for AC and was about at 2,200 kWH. Watt happened? (pun intended).

Well, energy for cooking is about 900 kWH for the summer months.

That darn first law... U = q + w

Built and outdoor kitchen.

AC is working like planned now and quality of life is also better with the man cave.

Of course, folks back in the 1800's had enough sense not to cook indoors in the deep south US.
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546. flsky 04:31 AM GMT del 14 Dicembre 2010    
Nice here in the blog tonight. Seems like everyone's getting along talking about cold weather and good music.
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547. PSLFLCaneVet 04:32 AM GMT del 14 Dicembre 2010    
Quoting flsky:
Nice here in the blog tonight. Seems like everyone's getting along talking about cold weather and good music.


Seconded!
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548. PSLFLCaneVet 04:34 AM GMT del 14 Dicembre 2010    
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550. atmoaggie 04:37 AM GMT del 14 Dicembre 2010    
Quoting DoverWxwatchter:
There was a time this afternoon when Great Falls, Montana was 8 degrees warmer than Orlando at the same time.

Northerners generally are surprised at just how cold our ~25 feels down here. To a yankee, (due to what humidity there is?) it just feels colder than the same temp back home.

My NWS forecast is for a 20 F low. Would not surprise me if we dip a little below that given this:

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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