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Pittsburgh/ Western PA Part III


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IF, and I say IF, this would work out the way Bernie is talking, we may end up with a snowfall heavier than we saw with any one storm all last winter, and we are still just in November. I don't want to get my hopes up considering all of the disappointments we have here. We'll just see how it plays out. Looks good right now, but we all know how quickly things can change, even when you get close.

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IF, and I say IF, this would work out the way Bernie is talking, we may end up with a snowfall heavier than we saw with any one storm all last winter, and we are still just in November. I don't want to get my hopes up considering all of the disappointments we have here. We'll just see how it plays out. Looks good right now, but we all know how quickly things can change, even when you get close.

Trying not to get too excited as well. 12Z GFS really looks good. Storm is getting juicier. Let's hope we can stay cold enough for mostly snow. The track looks good so far but we all know how we need a perfect track to get into the heavier snows.

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Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE PITTSBURGH PA

307 PM EST FRI NOV 14 2014

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-

029-031-073>076-WVZ001>004-012-021>023-041-152015-

GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-

JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-

FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-

ARMSTRONG-INDIANA-WASHINGTON-GREENE-WESTMORELAND-WESTMORELAND RIDGES-

FAYETTE-FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-

MONONGALIA-PRESTON-TUCKER-

307 PM EST FRI NOV 14 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST

CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST

PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA

AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A ROBUST STORM SYSTEM LATE WILL IMPACT THE AREA LATE SUNDAY

THROUGH MONDAY AND POTENTIALLY RESULT IN ADVISORY LEVEL SNOW. THE

MOST INTENSE PERIOD OF ACCUMULATING SNOW WILL BE MONDAY

MORNING...IMPACTING THE MORNING COMMUTE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER

CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

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Based on 12z Euro, some musings...

- W Pa should be under right entrance region of 200 hPa jet streak early Monday. This should help with synoptic lift.

- strong 500 hPa trough moving in, should also help with lift.

- sfc and lower-mid level lows well to the NW could cause p-type issues. Right now PIT looks to thread the needle probably due to 850 hPa winds nearly going parallel to isotherms, resulting in little warm air advection for middle-latter part of the event.

- ensembles still show much uncertainty with placement of the 850 hPa 0C line at 12z Mon

So, at this point, would not rule anything out. Higher totals could occur to the north due to better temperature profiles, plus axis of higher QPF still subject to change.

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AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PITTSBURGH PA
906 PM EST FRI NOV 14 2014

.SYNOPSIS...
SNOW SHOWERS WILL TAPER OFF OVER THE COURSE OF THE NIGHT.
A DRY AND COLD SATURDAY. PRECIPITATION IS EXPECTED AGAIN LATE
SATURDAY THROUGH MONDAY.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
630PM UPDATE...
HAVE LOWERED CLOUD COVER OVER THE SOUTH TONIGHT AS DRY AIR IS
CAUSING THE CLOUDS TO DECAY. ALSO ADJUSTED POPS NORTHWARD AS LAKE
SNOW IS CONFINED TO NORTHERN TIER OF COUNTIES. TEMPS HAVE BEEN
ADJUSTED COLDER WITH THE CLEARING SKIES.

PREVIOUS DISCUSSION...
SCATTERED LIGHT SNOW SHOWERS ACROSS THE REGION WILL BEGIN TO
TAPER OFF LATE THIS AFTERNOON AND TONIGHT AS HIGH PRESSURE BUILDS
IN BRIEFLY AND PUSHES DOWN INVERSION HEIGHTS TO INHIBIT FURTHER
LAKE ENHANCED PRECIPITATION. FURTHER ACCUMULATIONS WILL BE
MINIMAL. TEMPERATURES OVERNIGHT WILL FALL TO 15 DEGREES BELOW
NORMAL ON AVERAGE ACROSS THE REGION.


&&

.SHORT TERM /6 AM SATURDAY MORNING THROUGH MONDAY NIGHT/...
A SHORTWAVE WILL QUICKLY TRANSITION ACROSS THE REGION EARLY SUNDAY
MORNING AND BRING ANOTHER QUICK SHOT OF LIGHT SNOW
SHOWERS...FOLLOWED BY A MORE SIGNIFICANT FEATURE OVERNIGHT SUNDAY
AND MONDAY MORNING. A POTENT SHORTWAVE WILL DIVE DOWN THE BACKSIDE
OF THE LONGWAVE IN PLACE ACROSS THE EASTERN CONUS AS A STRONG JET
STREAK DEVELOPS EAST OF THE TROUGH AXIS....WITH SOME MODELS
SHOWING MAGNITUDES UP TO AROUND 170KTS. ALTHOUGH THE TIMEFRAME
THAT THIS FEATURE WILL IMPACT THE REGION WILL BE RELATIVELY
BRIEF...THERE WILL BE PLENTY OF DYNAMICS IN PLAY TO BRING UP TO
THREE TO FIVE INCHES OF SNOW TO THE REGION OVERNIGHT SUNDAY
THROUGH MONDAY. THE MOST INTENSE SNOWFALL RATES WILL OCCUR MONDAY
MORNING AND EVEN THOUGH THE DENDRITIC GROWTH ZONE WILL BE FAIRLY
HIGH BETWEEN 14 TO 17KFT AT THIS TIME...THE COLUMN SHOULD BE
SATURATED TO THESE LEVELS AND MONDAY MORNING IS WHEN THE AREA WILL
BE UNDER THE RIGHT ENTRANCE REGION OF THE AFOREMENTIONED JET
STREAK. ADDITIONALLY LOWER LEVEL LIFT LOOKS TO ALIGN WELL WITH THE
UPPER LEVEL DYNAMICS WITH PRESSURE ADVECTION AT PV15 AND 700MB
FRONTOGENESIS OVERLAYING NICELY FROM AFTER MIDNIGHT UNTIL LATE
MONDAY MORNING. SNOW AMOUNTS ARE CURRENTLY FORECAST TO BE BETWEEN
3-5 INCHES IN GENERAL AT THIS TIME...WITH QPF AND SNOW RATIO
VALUES TAKEN FROM A BLEND OF EC...GFS..AND HPC GUIDANCE. OVERALL
MODELS HAVE SHOWN ABOVE AVERAGE CONTINUITY WITH THIS FEATURE AND
LATEST RUNS ALL HAVE VERY SIMILAR VALUES OVER OUR AREA WITH THE
EXCEPTION OF THE SREF. SNOW WILL TAPER OFF MONDAY AFTERNOON AS
HIGH PRESSURE BUILDS IN FROM THE SOUTHWEST.

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Well, I was already told on here cold wouldn't be an issue...not sure how anyone around here ever says that.

We either get fringed or have temp issues in the middle of February with most of these storms. It's going to be even tougher to get one to work out for us in the middle of November. We should all be used to this by now. We keep tracking them in hopes of another 2010, or something close to that one, happening at some point. Just have to deal with the loads of disappointments along the way. It's part of living in this area.
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