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January 24th-26th Winter Storm Potential


cmichweather

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Well just a starting post as some of the MW posters are scared to ruin their "mojo" with thread starting topics. I haven't been following this all that closely but an analysis of the 00z models certainly argues for a region wide event depending on how the northern and southern streams interact.

You can clearly see that both models have a northern and southern stream SW that are nearly close enough to phase towards a more amplified solution that makes for a decent midwest storm. Especially if that northern stream wave comes in stronger it can act to slow the southern stream wave so that they can phase and form what i would think would be a nice snowstorm for much of the MW. That last line on both the EC and GFS shows the mean longwave pattern associated with the phase of the latest storm and the position of the PV would prevent any sort of "cutter" if the two SW's can phase it would be forced underneath the PV and would be essentially a bowling bowl storm, although it would weaken as it moved east.

Certainly looks like something to watch for the western midwest crew, could be a nice region wide event. Even if the northern and southern waves stay separate, the southern wave should amount in decent cyclogensis that has a decent gulf connection and may be a lower midwest threat for MO, KY, IN, OH , TN

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actually i'm way to lazy to check, but the northern stream energy may be the leftovers of the pacific monster low (936mb i think?)

There is the armageddon Pacific bomb sending energetic disturbances through the flow. What kind of shape the upper level cold front is in with each wave will be crucial--it all depends on whether the first can incite strong enough low level flow to advect that GOM air ahead of the kicker secondary. All global guidance has some GOM interaction, but of course how intact each wave is and the timing is not well known at this point. A bit of a yawn forecast thus far as all these waves are projected to be split off from the main northern stream flow--but it has some potential if the GOM is tapped.

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I'd feel more comfortable if that big vortex wasn't sitting to our north, nothing's going to cut through that.

Wash, rinse, repeat with these big east coast storms and disjointed junk harmlessly scooting through the plains. That sad clipper in between storms isn't going to help either.

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Good God, the Euro is hideous for this one. At 174 it has thicknesses at 528, yet the 32º isotherm is poking just into SW lower MI.

And yes it delivers another East Coast storm, but WAA is on the move north. PHL and NYC could have some p-type issues.

Funny sounding run, hard to imagine an EC storm with temps that warm in Michigan.

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DVN

THE NEXT CLIPPER IS SHOWN QUICKLY FOLLOWING FRI AFTERNOON AND FRI

NIGHT AND HAVE KEPT SLIGHT TO LOW END POPS...ALONG WITH LITTLE

TEMPERATURE RECOVERY THROUGH THE DAY FRI. BEYOND...THERE IS LITTLE

MODEL CONSENSUS FOR THE TIMING OR TRACK OF ENSUING SYSTEMS. BASED ON

A MODEL BLEND...THE NEXT SYSTEMS LOOK LIKELY AROUND SAT NIGHT INTO

EARLY SUN AND THEN AROUND MON INTO MON NIGHT WITH TEMPERATURES

MODERATING AND WARMING BACK CLOSER TO CLIMO. THE LATEST GFS AND

GEM...TRACKING A MORE DEFINED SURFACE LOW TO OUR SW SUNDAY...WOULD

SUGGEST SNOW AMOUNTS PUSHING ADVISORY CRITERIA SUNDAY.

..SHEETS..

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