Crazy model runs?

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Tekken_Guy
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Crazy model runs?

#1 Postby Tekken_Guy » Sun Aug 23, 2020 6:34 pm

What were some of the craziest model ru s you’ve seen from storms?
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Re: Crazy model runs?

#2 Postby aspen » Sun Aug 23, 2020 7:18 pm

The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.
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Re: Crazy model runs?

#3 Postby Beef Stew » Sun Aug 23, 2020 8:32 pm

As far as pure crazy, like Aspen said Mangkhut breaking the HWRF is about the wildest thing I've ever seen. The GFS had some crazy runs with a sub-900 Florence near Virginia, and of course there's the infamous 881mb-Irma-over-Miami GFS run that gets brought up a lot.

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Re: Crazy model runs?

#4 Postby ElectricStorm » Sun Aug 23, 2020 8:41 pm

aspen wrote:The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.

This here was most definitely the craziest model run I have seen.
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Re: Crazy model runs?

#5 Postby Hammy » Sun Aug 23, 2020 8:42 pm

I don't have it saved but at one point the NAM was showing Michael's pressure in the 860s.
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Re: Crazy model runs?

#6 Postby Kazmit » Sun Aug 23, 2020 8:44 pm

aspen wrote:The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.

Lol maybe on Neptune. The physics on Earth would not allow for that. :lol:
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Re: Crazy model runs?

#7 Postby BobHarlem » Sun Aug 23, 2020 9:14 pm

aspen wrote:The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.


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Re: Crazy model runs?

#8 Postby doomhaMwx » Sun Aug 23, 2020 9:37 pm

aspen wrote:The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.

It almost gave me a heart attack.

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Re: Crazy model runs?

#9 Postby eastcoastFL » Sun Aug 23, 2020 9:44 pm

Imran_doomhaMwx wrote:
aspen wrote:The HWRF’s ultra-bonkers runs for Mangkhut in 2018 were truly something special. It ended up peaking Mangkhut at 312 kt and 777 mbar, so intense that the model crashed and basically became the storm’s first casualty.

It almost gave me a heart attack.

https://i.imgur.com/fN4KS5e.png


That’s terrifying just to look at. That’s end of times stuff
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Re: Crazy model runs?

#10 Postby TheStormExpert » Sun Aug 23, 2020 10:26 pm

The NAM last year got Dorian’s intensity nearly spot on! :lol:

 https://twitter.com/tarcweather/status/1297731536494702592


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Re: Crazy model runs?

#11 Postby DestinHurricane » Sun Aug 23, 2020 10:31 pm

HWRF took Dorian into the 880s I think. Also that GFS run of Irma into Miami sub 900.
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Re: Crazy model runs?

#12 Postby galaxy401 » Mon Aug 24, 2020 2:13 am

I'll do a crazy track run. Remember back in 2016 the Euro was thinking the idea that Matthew was going to do a big loop after passing the Carolinas and go back to Florida? The forum went bonkers after that.
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Re: Crazy model runs?

#13 Postby Vince_and_Grace_fan » Mon Aug 24, 2020 3:43 am

My favourite is the Cat 2 or 3 Zorbas (the resolution is a bit poor but maybe there are one or two barbs with 100 kt on the southeast side) just to the southwest of Greece from the Arpege with central pressure around 970 hPa. :D

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Re: Crazy model runs?

#14 Postby Hammy » Mon Aug 24, 2020 4:22 am

Does anybody have a gif of the longer range Euro forecast from 2018 for Florence that aimed it at NC and then shoved it southwest into Jacksonville?
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Re: Crazy model runs?

#15 Postby supercane4867 » Mon Aug 24, 2020 5:31 am

The all-time record strongest model run for North Atlantic basin goes to HMON's Irma run.

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Re: Crazy model runs?

#16 Postby WAcyclone » Mon Aug 24, 2020 7:07 am

Some complete loops of the now-legendary 18Z Sep 12 2018 HWRF run. The white area in the centre appears since the model can't depict winds at the 850 mb level for this area (which would be well below the surface).

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Re: Crazy model runs?

#17 Postby SconnieCane » Mon Aug 24, 2020 7:25 am

:uarrow: Looks like the model actually got it down to 776MB. :lol:
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Re: Crazy model runs?

#18 Postby AutoPenalti » Mon Aug 24, 2020 7:40 am

Would Earth even sustain those kinds of pressures?
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Model Runs Cheat Sheet:
GFS (5:30 AM/PM, 11:30 AM/PM)
HWRF, GFDL, UKMET, NAVGEM (6:30-8:00 AM/PM, 12:30-2:00 AM/PM)
ECMWF (1:45 AM/PM)

TCVN
is a weighted averaged

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Re: Crazy model runs?

#19 Postby Frank2 » Mon Aug 24, 2020 7:55 am

Meteorologists are like farmers or fishmen - they need to have good instincts of the Earth as well as a good working knowledge of weather, but in today's world they often rely too much on technology and not enough on instinct, because inspiration powers instinct, and inspiration comes from the heart and soul, and that comes from Above.

"He's in it for the money, not the science! He's got a lot of high tech gadgets...but he's got no instincts..." - Bill Harding, Twister

Relying primarily on models defeats the purpose of looking at a map or satellite photo (or even looking out the window) to know whether it will rain or not, because a weather model (or any model) is only as good as the data that was entered.

Frank
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Re: Crazy model runs?

#20 Postby shiny-pebble » Mon Aug 24, 2020 5:42 pm

I just remembered a NAM run for Hurricane Chris in 2018. I think it had it as a Cat 5 off the Carolina coast in July....

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