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February 13-14 potential snow storm


Mikehobbyst

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Hopefully this storm works out for Thu, because after the storm passes the Pacific jet looks to get real ugly real fast. PV sets up over Alaska, and the flow is zonal right off the Pacific thereafter on the Euro. The GGEM however keeps a more amplified flow and colder temps from Canada.

 

Hopefully this storm works out for Thu, because after the storm passes the Pacific jet looks to get real ugly real fast. PV sets up over Alaska, and the flow is zonal right off the Pacific thereafter on the Euro. The GGEM however keeps a more amplified flow and colder temps from Canada.

Many times we do get some of our bigger storms on the bookends of pattern changes, which is why I enjoy this potential even moreso right now.

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The kicker depending on its exact placement could and will have a multitude of different effects on the coastal. Strictly speaking from the precip shield standpoint, the kicker is THE reason why there is no more NWrly development of that shield.

That's really a double edged sword-the kicker keeps this from being potentially an inland runner and too warm for most, while at the same time it makes the snow shield very compact. I guess beggars can't be choosers in a pattern like this.

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Reminds me of the February 2010 Snowicane just without the epic blocking.

 

Ugh.  This storm (the "snowicane") is my worst nightmare and keeps coming up.  We had about 4 inches of paste then over 3" of rain while areas just to the south (within 10-15 miles of me) had in excess of 2 feet.  Hopefully this is not such an extreme scenario.

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That looks like a 4 to maybe even 5 sigma event (18-24" in upstate sc), so chances of that happening are, well, remote.

 

Looking at the soundings it may be counting sleet-ZR as snow. Most of the subfreezing  air there looks like its under 950 mb

to the surface. The euro keeps the surface below freezing but warms 850 mb in the interior SE with a strong

low level CAD signature up against the front of the Apps and piedmont.

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Ugh.  This storm (the "snowicane") is my worst nightmare and keeps coming up.  We had about 4 inches of paste then over 3" of rain while areas just to the south (within 10-15 miles of me) had in excess of 2 feet.  Hopefully this is not such an extreme scenario.

 

That storm dumped 30-36" in most of Orange County.. Highly doubt this would compare especially with the possibility of NW fringing. That storm also ran up through LI and into SNE.

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HPC :

 

AMPLIFYING SHORTWAVE MOVING INTO THE SOUTHEAST WED
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
PREFERENCE: NON-GFS COMPROMISE
CONFIDENCE: AVERAGE

A BROAD AND SLOWLY AMPLIFYING RIDGE UPSTREAM SHOULD GUARANTEE A
STRONGER SYSTEM WITH TIME, BUT ITS PROGRESSION HINTS THAT A FASTER
PROGRESSION WITH THIS DOWNSTREAM SHORTWAVE IS MORE LIKELY. THIS
HAS BEEN BORNE OUT IN THE ECMWF TRENDS SINCE ITS 00Z RUN, THOUGH
IT HAS ALSO TRENDED MORE NEGATIVELY TILTED ALOFT. THE 12Z GFS
SHOWS A MENAGERIE OF CONVECTIVE/GRIDSCALE FEEDBACK BULL'S EYES
FROM NORTHERN LOUISIANA EASTWARD FROM LATE TUESDAY ONWARD, WHICH
CAN EXPLAIN ITS QUICKER PROGRESSION. WITH CONVERGING GUIDANCE
ALOFT AND AT THE SURFACE, BELIEVE A NON-GFS COMPROMISE IS THE BEST
COURSE OF ACTION FOR THE TIME BEING, PREFERRED WITH AVERAGE
CONFIDENCE CONSIDERING THE SYSTEM'S PROGRESSIVE NATURE.

 

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Even worse. have seen METS talking about this Wed. being a 93' redux! surreal!

 

Even if a phased storm occurs, the synoptic setup is quite different from that in 1993. Moreover, 1993 was a triple-phased storm (Arctic, polar, and subtropical jet streams). It was a rare event. March 1993 should not be referenced as an analog case.

 

02092014_1.jpg

 

If one wants to point to the GGEM's solution, one can refer to a bombogenesis event.

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Even if a phased storm occurs, the synoptic setup is quite different from that in 1993. Moreover, 1993 was a triple-phased storm (Arctic, polar, and subtropical jet streams). It was a rare event. March 1993 should not be referenced as an analog case.

 

02092014_1.jpg

 

If one wants to point to the GGEM's solution, one can refer to a bombogenesis event.

93' is such a rare occurrence. that storm is on top of NESIS for a reason and probably will be on there for a while longer

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Even if a phased storm occurs, the synoptic setup is quite different from that in 1993. Moreover, 1993 was a triple-phased storm (Arctic, polar, and subtropical jet streams). It was a rare event. March 1993 should not be referenced as an analog case.

 

02092014_1.jpg

 

If one wants to point to the GGEM's solution, one can refer to a bombogenesis event.

Surreal was meant to relfect 1000% scarcasm on my part of the ignorance of the analogue by  pro met who obviously dont understand notion of  the rare triple phase that 93' was.

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