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February 6th event


BullCityWx

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Don't count on my play-by-play, but I think the Euro goes neutral and phases between 48hr and 72hr. Can't see the in-between panels but looks like a decent mountain snow.

Am I seeing this correctly?

It's remarkably different from 00z and yesterdays 12z.

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Don't count on my play-by-play, but I think the Euro goes neutral and phases between 48hr and 72hr. Can't see the in-between panels but looks like a decent mountain snow.

Am I seeing this correctly?

It's remarkably different from 00z and yesterdays 12z.

Yes, it phased with the vorticity moving over the Rockies, and Canada. Some people might have wrote this one off too early. 

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Not much from RAH (maybe a token snow flake for a few, cold afterwards): 

 

.SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/...
AS OF 250 PM MONDAY...

MID WEEK PERIOD STARTS OUT MILD WITH ZONAL FLOW ALOFT AND SURFACE
HIGH PRESSURE MOVING OFFSHORE RESULTING IN SOUTHWEST FLOW. MOSTLY
SUNNY SKIES ARE ON TAP FOR WEDNESDAY WITH HIGHS REACHING THE LOW TO
MID 50S. HIGH CLOUDINESS WILL BE STREAMING IN AS NORTHERN AND
SOUTHERN STREAM SYSTEMS APPROACH FROM THE WEST WEDNESDAY NIGHT. THE
SOUTHERN STREAM SYSTEM OVER THE NORTHERN GULF WILL BE NUDGED
OFFSHORE BY THE DEEPENING UPPER TROF AS A 130KT POLAR JET DIGS DEEP
INTO THE MIDWEST. APPEARS THAT MAINLY THE EASTERN HALF COULD SEE
RAIN IN THE WEDNESDAY NIGHT/THURSDAY TIME FRAME AS THE SYSTEMS
REMAIN UNPHASED WITH THE SOUTHERN STREAM MOISTURE OFFSHORE AND
STRONGEST UPPER DIFFLUENCE NORTHEAST OF THE AREA. WILL MAINTAIN A
CHANCE POP FROM THE I95 CORRIDOR EAST...AND ALTHOUGH MOISTURE WILL
BE THINNING...WILL MENTION A SLIGHT CHANCE OF RAIN OR SNOW IN THE
WESTERN FRINGES OF THE PIEDMONT TOWARDS THURSDAY MORNING AS TEMPS
FALL BELOW THE MID 30S IN STRONG COLD AIR ADVECTION
.

PRCIP WILL BE THROUGH BY MID DAY THURSDAY WITH CLEARING UNDERWAY BY
AFTERNOON AS ARCTIC HIGH PRESSURE BUILDS IN. GUIDANCE HIGHS IN THE
50 TO 55 RANGE LOOK TOO HIGH...WITH BREEZY CONDITIONS IN STRONG COLD
AIR ADVECTION AND THICKNESS VALUES FALLING THROUGH THE DAY...WITH
VALUES INDICATIVE OF LOWER 40S UNDER FULL SUN. WILL THUS FORECAST A
43 NORTHWEST TO 48 SOUTHEAST RANGE. ARCTIC HIGH SETTLING IN
OVERNIGHT WILL ALLOW DECOUPLING LATE AND MINS WILL CRASH WAY DOWN
INTO THE 20S WITH PERHAPS SOME TEENS IN THE OUTLYING AREAS. &&

 

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RAH is still entertaining the thought of a mix on Thursday...

 

WILL MAINTAIN A

CHANCE POP FROM THE I95 CORRIDOR EAST...AND ALTHOUGH MOISTURE WILL

BE THINNING...WILL MENTION A SLIGHT CHANCE OF RAIN OR SNOW IN THE

WESTERN FRINGES OF THE PIEDMONT TOWARDS THURSDAY MORNING AS TEMPS

FALL BELOW THE MID 30S IN STRONG COLD AIR ADVECTION.

lol ,,,you beat me by seconds....

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I'm no expert here, but how does the 1013 Low off the coast of Tampa, Florida travel 400 miles to the northeast in 6 hours on the 18Z?  Is it a different storm?  I'm talking about the 18Z between hour 66 and 72.

The vort coming off of the gulf gets absorbed into the vort coming off of canada and the rockies. 

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Looking forward to seeing the thoughts of the short & medium range models on this system.

 

Haven't looked at it, but I imagine the northern stream trough will be sampled tonight or tomorrow. To my knowledge, the southern stream energy won't really get a good look until entering southern US.

 

Nice to still have a shot anyhow. Can't say this often with the timing of these kind of events for the SE, we are still in the middle of Meteorological winter with a healthy fresh snow pack to the north.. just gotta slide that cold front/high pressure through on time.

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Looking forward to seeing the thoughts of the short & medium range models on this system.

 

Haven't looked at it, but I imagine the northern stream trough will be sampled tonight or tomorrow. To my knowledge, the southern stream energy won't really get a good look until entering southern US.

 

Nice to still have a shot anyhow. Can't say this often with the timing of these kind of events for the SE, we are still in the middle of Meteorological winter with a healthy fresh snow pack to the north.. just gotta slide that cold front/high pressure through on time.

The northern piece of vort is already in North America. The piece that comes from the Rockies is still not on shore yet. The ULL is in mexico right now. So we got 2 out of 3 players on land already. I expect the trough to dig more and precip shield to push more West. 

 

b7cdqv.png

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The northern piece of vort is already in North America. The piece that comes from the Rockies is still not on shore yet. The ULL is in mexico right now. So we got 2 out of 3 players on land already. I expect the trough to dig more and precip shield to push more West. 

 

b7cdqv.png

 

Nice map and thanks for the heads up.

 

I don't think the 12Z balloon launch would have picked up the entirety of either feature yet though.. (I am making the huge assumption that Canada and maybe Mexico launch balloons on the same schedule as us)

 

So the models mayyy have better data to work off of in the coming couple of runs. That being said I think the finer scale (short range) models will provide the most improvement in modeling this storm.

 

Edit: I think you might be on to something with the deeper trough and westward shift of the precipitation shield (although I think alot of the westward shift may be due to westward expansion)

 

and man that northern stream shortwave energy is coming directly from the Pole.

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