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Another winter storm March 28-30?


Hoosier

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DTX should make some feel slightly better

THE WATER VAPOR LOOP SHOWS A FAIRLY DEEP AND COMPACT UPPER LOW OVER

THE GULF OF ALASKA...WHICH IS FORECAST TO MOVE INTO THE CENTRAL

ROCKIES MON/MON NIGHT. MODEL SOLUTIONS HAVE BEEN FAIRLY INCONSISTENT

OVER THE LAST COUPLE OF DAYS AS TO THE TIMING AND AMPLITUDE OF THIS

WAVE AS IT EMERGES INTO THE CENTRAL PLAINS ON TUESDAY. SEVERAL

SOLUTIONS HAVE MAINTAINED A FAIRLY STRONG RIDGE ACROSS NORTHERN

ONTARIO...WHICH WOULD ACT TO SHEAR THIS WAVE ACROSS THE OHIO

VALLEY...KEEPING PRECIP TO THE SOUTH. THE 00Z AND 06Z GFS SOLUTIONS

INDICATED THIS RIDGE BREAKING DOWN MORE QUICKLY...WHICH WOULD ALLOW

A DEEPER AND MUCH FARTHER NORTH UPPER WAVE AND THE POSSIBILITY OF

ACCUMULATING SNOW IN SE MI BY WED MORNING. THE 00Z AND 12Z ECMWF

HAVE ALSO TRENDED TOWARD THIS DIRECTION. THE 12Z GFS HOWEVER HAS

TRENDED BACK TOWARD A MORE SHEARED AND FARTHER SOUTH SOLUTION /MUCH

LIKE THE CANADIAN/...SUGGESTING A DRY FORECAST FOR SE MI. SUSPECT

THE MODELS WILL CONTINUE TO STRUGGLE WITH THIS SYSTEM UNTIL THE

UPPER WAVE ACTUALLY ENTERS THE NORTH AMERICAN RAOB NETWORK ON

MONDAY. THE CURRENT SATELLITE DEPICTION OF THIS WAVE CERTAINLY

ARGUES FOR THE STRONGER/MORE NORTHERLY SOLUTIONS. FOR THIS

REASON...WILL MAINTAIN THE CURRENT CHANCE OF SNOW IN THE TUES

NIGHT/WED TIME FRAME.

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As well as IWX

.LONG TERM.../MONDAY THROUGH SATURDAY/

CYCLONIC FLOW ALOFT OVER THE GRTLKS EXPECTED TO WKN SUBSTANTIALLY BY

MONDAY AS UPR LOW OVER THE ST. LAWRENCE SHIFTS NE TO THE LABRADOR

COAST. THIS SHOULD ALLOW NEXT IN SERIES OF PACIFIC SHRTWV`S TO TRACK

ACROSS THE MIDWEST TUE/WED. 12Z GFS WAS CONSIDERABLY WEAKER WITH

THIS SYSTEM THAN PREVIOUS RUNS SUGGESTING BULK OF PRECIP WILL REMAIN

SOUTH OF OUR CWA. PREVIOUS RUNS SEEMED MORE REASONABLE GIVEN STRONG

CIRCULATION ASSOCIATED WITH THIS FEATURE OVER THE CENTRAL PACIFIC

TODAY... THUS MAINTAINED GOING POPS FOR TUE NGT/WED. SLOWER TREND IN

GFS WRT THIS SYSTEM MORE GRADUAL AND PLAUSIBLE GIVEN SUPPORT FROM

OTHER MODELS...THUS DID TRIM POPS FOR TUE AFTN.

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Mr. Izzi's thoughts

LOT

THE POTENTIAL WINTER STORM FOR TUESDAY AND TUESDAY NIGHT IS

APPARENTLY OFF THE AGENDA IF YOU BUY THE LATEST GFS. AFTER SEEING

MODELS ALL TREND TOWARD THE GFS FOR THE PAST COUPLE DAYS IN

ADVERTISING A SNOWSTORM NEARBY...THE GFS HAS TAKEN A 180 TURN AND

NOW HAS ONLY A LOW AMPLITUDE OPEN WAVE PASSING WELL TO OUR SOUTH

WITH LITTLE OR NO PRECIP. NEEDLESS TO SAY...ITS CHALLENGING TO

FIGURE OUT HOW TO HANDLE THESE HUGE SWINGS IN MODEL SOLUTIONS IN THE

GRIDS. THE SUGGESTED "MODELED CONSENSUS" APPROACH RESULTED IN LIKELY

POPS LAST NIGHT SWINGING TO SLIGHT CHANCE POPS WITH THIS MORNING'S

GUIDANCE. DECIDED TO TEMPER THIS HUGE SWING AND JUST ADJUST POPS

DOWN TO LIKELY TO CHANCE...SINCE ITS ANYONE'S GUESS WHERE THE

SPINNING MODEL ROULETTE WHEEL WILL LAND WITH THE NEXT SET OF RUNS.

MUCH LIKE THE OLD PRICE IS RIGHT GAME "PLINKO"...DETERMINING WHERE

THE LITTLE PUCK (IE. OUR WEATHER) WILL END UP IS TOUGH TO KNOW WHEN

WE DONT KNOW WHICH PEGS IT WILL BOUNCE AROUND EARLY ON. CONSENSUS OF

00Z ECMWF AND 12Z GFS WAS FOR A REBOUND TO SLIGHTLY ABOVE AVERAGE BY

NEXT WEEKEND...WHICH IS WHAT IS IN THE GRIDS. HAVING SAID THAT THE

12Z ECMWF...WHICH ISNT INCLUDED IN THE MAGICAL MODEL COCKTAIL WE

INITIAL OUR GRIDS...KEEPS TEMPS MUCH COLDER LATE IN THE WEEK INTO

EARLY NEXT WEEKEND AND HARD TO DISCOUNT THIS (OR ANY SOLUTION) AT

THIS POINT.

IZZI

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Mr. Izzi's thoughts

LOT

THE POTENTIAL WINTER STORM FOR TUESDAY AND TUESDAY NIGHT IS

APPARENTLY OFF THE AGENDA IF YOU BUY THE LATEST GFS. AFTER SEEING

MODELS ALL TREND TOWARD THE GFS FOR THE PAST COUPLE DAYS IN

ADVERTISING A SNOWSTORM NEARBY...THE GFS HAS TAKEN A 180 TURN AND

NOW HAS ONLY A LOW AMPLITUDE OPEN WAVE PASSING WELL TO OUR SOUTH

WITH LITTLE OR NO PRECIP. NEEDLESS TO SAY...ITS CHALLENGING TO

FIGURE OUT HOW TO HANDLE THESE HUGE SWINGS IN MODEL SOLUTIONS IN THE

GRIDS. THE SUGGESTED "MODELED CONSENSUS" APPROACH RESULTED IN LIKELY

POPS LAST NIGHT SWINGING TO SLIGHT CHANCE POPS WITH THIS MORNING'S

GUIDANCE. DECIDED TO TEMPER THIS HUGE SWING AND JUST ADJUST POPS

DOWN TO LIKELY TO CHANCE...SINCE ITS ANYONE'S GUESS WHERE THE

SPINNING MODEL ROULETTE WHEEL WILL LAND WITH THE NEXT SET OF RUNS.

MUCH LIKE THE OLD PRICE IS RIGHT GAME "PLINKO"...DETERMINING WHERE

THE LITTLE PUCK (IE. OUR WEATHER) WILL END UP IS TOUGH TO KNOW WHEN

WE DONT KNOW WHICH PEGS IT WILL BOUNCE AROUND EARLY ON. CONSENSUS OF

00Z ECMWF AND 12Z GFS WAS FOR A REBOUND TO SLIGHTLY ABOVE AVERAGE BY

NEXT WEEKEND...WHICH IS WHAT IS IN THE GRIDS. HAVING SAID THAT THE

12Z ECMWF...WHICH ISNT INCLUDED IN THE MAGICAL MODEL COCKTAIL WE

INITIAL OUR GRIDS...KEEPS TEMPS MUCH COLDER LATE IN THE WEEK INTO

EARLY NEXT WEEKEND AND HARD TO DISCOUNT THIS (OR ANY SOLUTION) AT

THIS POINT.

IZZI

I'm loving The Price Is Right (greatst game show ever) simile. :thumbsup:

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I'm loving The Price Is Right (greatst game show ever) simile. :thumbsup:

his AFD's tend to have some humor in them from time to time lol

he also like to have hidden messages in them...take thursday's AFD for example, read down the most left column of letters..

.DISCUSSION...

302 PM CDT

NO BIG CHANGES TO GOING FORECAST AS UNSEASONABLY COLD NW FLOW LOCKS

IN RESULTING IN FEBRUARY LIKE TEMPS THROUGH THE PERIOD. THERES STILL

UNCERTAINTY REGARDING OUR SNOW POTENTIAL OVER THE WEEKEND.

GENERALLY SEEING LAKE EFFECT PLUME WEAKEN BUT MAY REDEVELOP AND MOVE

INLAND AGAIN TONIGHT AS BOUNDARY LAYER COOLS. FLURRY CHANCES TONIGHT

LOOK LOWER AS INVERSION HEIGHTS COME DOWN FROM THIS MORNINGS LEVELS.

LOOKING AHEAD THROUGH THE WEEKEND SEVERAL SHORTWAVES WILL EJECT EAST

OUT OF WESTERN TROUGH AND WEAKEN RUNNING INTO CONFLUENT FLOW IN OUR

VICINITY. MODELS TRENDING SOUTH/WEAKER WITH SATURDAY SYSTEM WITH

EACH RUN INCREASING CONFIDENCE IN SNOW MOSTLY MISSING ALL BUT OUR

SOUTHERN MOST CWA...AND EVEN THERE ONLY LIGHT ACCUMS AT BEST (WORST).

OLD MAN WINTER`S ENCORE PERFORMANCE WILL CONTINUE INTO NEXT WEEK

BEFORE MAYBE SOME MODERATION FROM MUCH BELOW AVERAGE TO JUST BELOW

AVERAGE TEMPS BY MIDDLE OF NEXT WEEK. WITH THE 12Z RUN OF THE GFS

MUCH OUT OF PHASE WITH REMAINDER OF GUIDANCE GENERALLY DISCOUNTED IT

AND FOLLOWED ECMWF SOLUTION FOR NEXT WEEK.

IZZI

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his AFD's tend to have some humor in them from time to time lol

he also like to have hidden messages in them...take thursday's AFD for example, read down the most left column of letters..

.DISCUSSION...

302 PM CDT

NO BIG CHANGES TO GOING FORECAST AS UNSEASONABLY COLD NW FLOW LOCKS

IN RESULTING IN FEBRUARY LIKE TEMPS THROUGH THE PERIOD. THERES STILL

UNCERTAINTY REGARDING OUR SNOW POTENTIAL OVER THE WEEKEND.

GENERALLY SEEING LAKE EFFECT PLUME WEAKEN BUT MAY REDEVELOP AND MOVE

INLAND AGAIN TONIGHT AS BOUNDARY LAYER COOLS. FLURRY CHANCES TONIGHT

LOOK LOWER AS INVERSION HEIGHTS COME DOWN FROM THIS MORNINGS LEVELS.

LOOKING AHEAD THROUGH THE WEEKEND SEVERAL SHORTWAVES WILL EJECT EAST

OUT OF WESTERN TROUGH AND WEAKEN RUNNING INTO CONFLUENT FLOW IN OUR

VICINITY. MODELS TRENDING SOUTH/WEAKER WITH SATURDAY SYSTEM WITH

EACH RUN INCREASING CONFIDENCE IN SNOW MOSTLY MISSING ALL BUT OUR

SOUTHERN MOST CWA...AND EVEN THERE ONLY LIGHT ACCUMS AT BEST (WORST).

OLD MAN WINTER`S ENCORE PERFORMANCE WILL CONTINUE INTO NEXT WEEK

BEFORE MAYBE SOME MODERATION FROM MUCH BELOW AVERAGE TO JUST BELOW

AVERAGE TEMPS BY MIDDLE OF NEXT WEEK. WITH THE 12Z RUN OF THE GFS

MUCH OUT OF PHASE WITH REMAINDER OF GUIDANCE GENERALLY DISCOUNTED IT

AND FOLLOWED ECMWF SOLUTION FOR NEXT WEEK.

IZZI

I remember that "send supercells north" one or whatever it was. Gonna have to start paying more attention.

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We will get some sampling tonight (maybe 25% of the entire system?).

The main portion of the system is still way out in the Pacific ufnortunately. We won't have a full sampling until 12z Monday.

That low up in Eastern Canada is going to wreak havoc too as the models try to get a handle on how much confluence we'll have to contend with.

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