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2012 Winter Banter Thread #3


yoda

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  On 2/17/2012 at 9:31 PM, Ian said:

ddweatherman sees some problems with the 18z gfs

ddweatherman algorithm:

IF

>GFS is solid hit

THEN

>NO errors in model or int.

IF

>GFS further south

<AND/OR>

>GFS shows sharp cutoff >SOUTH of ddweatherman

THEN

>GFS has int. errors OR convective feedback OR missing ROAB data OR GFS node infected by ILOVEYOU virus.

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  On 2/17/2012 at 9:36 PM, PhineasC said:

The RGEM seems to always show the snowiest solution possible.

A very general bias amongst the RGEM is it has a tendency to be very "amped" under stronger magnitude systems although the bias isn't as bad as the NAM sometimes. It can be highly useful with very intense systems (think Groundshog Day Feb 1 2011...it was the best guidance within day 2). I do, once again, under general guidelines, think thr RGEM is a much better numerical model than the NAM, but it is prolly a bit too intense here.

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  •   On 2/17/2012 at 9:38 PM, stormtracker said:

    ddweatherman algorithm:
    IF
    >GFS is solid hit
    THEN
    >NO errors in model or int.
    IF
    >GFS further south
    <AND/OR>
    >GFS shows sharp cutoff >SOUTH of ddweatherman
    THEN
    >GFS has int. errors OR convective feedback OR missing ROAB data OR GFS node infected by ILOVEYOU virus.
    :lol:

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  On 2/17/2012 at 9:37 PM, yoda said:

FWIW, 18z RGEM (only goes out to 48)

36 hrs -- 1003 mb L SW MS

42 hrs -- 999 mb L NW AL

48 hrs -- 998 mb extreme SE TN with what looks to be a transfer going on

No need to say FWIW anymore, yoda. You are gonna post em regardless. It's cool

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  On 2/17/2012 at 9:38 PM, stormtracker said:

ddweatherman algorithm:

IF

>GFS is solid hit

THEN

>NO errors in model or int.

IF

>GFS further south

<AND/OR>

>GFS shows sharp cutoff >SOUTH of ddweatherman

THEN

>GFS has int. errors OR convective feedback OR missing ROAB data OR GFS node infected by ILOVEYOU virus.

:lmao:

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  On 2/17/2012 at 9:38 PM, stormtracker said:

ddweatherman algorithm:

IF

>GFS is solid hit

THEN

>NO errors in model or int.

IF

>GFS further south

<AND/OR>

>GFS shows sharp cutoff >SOUTH of ddweatherman

THEN

>GFS has int. errors OR convective feedback OR missing ROAB data OR GFS node infected by ILOVEYOU virus.

lolz

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  On 2/17/2012 at 9:25 PM, Ian said:

we won't have 10:1 ratios thru the event.. maybe in solid banding etc (should it occur). so i think to get to 4-5" we'd need like .6-.75" qpf or something. that seems a pretty far stretch based on the euro and gfs. not to say it's impossible but it seems unlikely.

Ooops, you caught my typo...I meant 2.4 - 3.5.

I fully expect error-laden snow though. Make no initialized mistake about that.

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