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Isaac Heavy Rain Event


Hoosier

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Meh....this thing is definitely stuck..The eye wall looks to be re-developing or at least trying to. It's stationary as of now. On top of that, the storm is battling tons of dry air to the north, and no steering currents...that Big high pressure to the North is literally keeping this storm right along the gulf...IDK...we shall see...

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H5 plots really tell the story. Main belt of westerlies are from the Pacific through central Canada with something of a rex block between Isaac and the pacific jet. If this was a month later, climo may have helped out by sending that jet south and allowing some type of phasing. As it is though, probably tough to get anything impressive north of I-90.

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When every ensemble shows it missing.... It's going to miss.

Looks like a solid 3 weeks of barely a drop for my localization. I'm basing this on going 2 weeks already.

Some of those ensembles are not a miss north of I-80. These maps are only for one time frame.

I'm going with Stebo's prediction. Should be a good bet with the low moving west still.

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even up to 88 does very good that run, tough forecast for sure and will be fun to watch.

LOT mentioned that in the process of losing some of it's tropical characteristics, the precip associated with the low may become more widespread....the hyper concentrated qpf bombs this far north might be a little overdone.

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LOT mentioned that in the process of losing some of it's tropical characteristics, the precip associated with the low may become more widespread....the hyper concentrated qpf bombs this far north might be a little overdone.

I'm noticing winds will be from the NE - wonder if lake enhancement will be possible?

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Looking at the black and whites from the 12z GGEM and it looks ridiculous with a bullseye of 101mm pretty close to LAF at 96 hours. Yeah, that's 3.98". Of course, that's just between hour 84 and 96 to boot. :lol:

The canadian solution is one of the more realitic looking IMO...obviously bullseye amounts are probably overdone, but the way it organizes the precip shield looks very believeable.

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The canadian solution is one of the more realitic looking IMO...obviously bullseye amounts are probably overdone, but the way it organizes the precip shield looks very believeable.

I could buy into the GGEM solution, the 00z/06z GFS tries to turn this thing E too fast considering it would be running into the ridge that is moving slowly Eastward. The 12z GFS is a better solution, though I think it will be moving more ENE or NE vs due E as the prevailing Westerlies don't drop in until Sunday.

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I could buy into the GGEM solution, the 00z/06z GFS tries to turn this thing E too fast considering it would be running into the ridge that is moving slowly Eastward. The 12z GFS is a better solution, though I think it will be moving more ENE or NE vs due E as the prevailing Westerlies don't drop in until Sunday.

12z GFS ensembles came north as well, including one with a qpf bomb over S. WI and some still well south. We might start seeing more consistency once Isaac finally starts gaining some momentum out of the gulf....that was an impressive stall.

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12z GFS ensembles came north as well, including one with a qpf bomb over S. WI and some still well south. We might start seeing more consistency once Isaac finally starts gaining some momentum out of the gulf....that was an impressive stall.

Yeah, though the GFS had shown this thing coming to a crawl down there for at least 12 hours but now that it is moving the solutions we are seeing should become clearer.

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I could buy into the GGEM solution, the 00z/06z GFS tries to turn this thing E too fast considering it would be running into the ridge that is moving slowly Eastward. The 12z GFS is a better solution, though I think it will be moving more ENE or NE vs due E as the prevailing Westerlies don't drop in until Sunday.

But doesn't H5 just scream for this to get sheared off to the east, considering that block north of Isaac?

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Looking at the black and whites from the 12z GGEM and it looks ridiculous with a bullseye of 101mm pretty close to LAF at 96 hours. Yeah, that's 3.98". Of course, that's just between hour 84 and 96 to boot. :lol:

I wonder what your boy Chad is going with. Will have to check it out...

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I wonder what your boy Chad is going with. Will have to check it out...

Says the guy that PM's me links to his blog. :lol:

I'm sure he's downplaying it. You know, drought begets drought. I did look earlier this week and looks like he whiffed on his cat 3-4 call. :weenie:

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