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Pittsburgh/Western Pa Weather


meatwad

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So I'm guessing getting to work at 10 tomorrow is going to be very difficult.

Yes

 

 

 

..WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT

TONIGHT TO 6 PM EST SATURDAY...

* SNOW BEGINNING...AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...3 TO 5 INCHES. LOCALLY UP TO 7 INCHES ALONG AND

NORTH OF INTERSTATE 80 AND ACROSS THE SOUTHEAST

RIDGES.

* PERIOD OF MOST INTENSE SNOW...SHORTLY BEFORE DAYBREAK THROUGH EARLY

AFTERNOON ON SATURDAY.

* SNOW ENDING...LATE SATURDAY EVENING.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO SNOW

COVERED ROADS AND SIGNIFICANT REDUCTIONS TO VISIBILITY AT

TIMES.

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I personally think 1-5" or maybe 2-9" that is very appropriate but definitely not 3-5" :axe:, ...oy arguing minutiae has become topical now. Liked it better a few years ago when we talked about the NAM, when we had mets here commenting on cyclogenesis and orthographic lift in Mon valley. Now we are contrarians for the sake of being contrarians.

Are you pittsburgh rants?

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Hope I don't need someone's permission to post this...

PUBLIC INFORMATION STATEMENT - AMENDED
NATIONAL WEATHER SERVICE PITTSBURGH PA
523 PM EST FRI JAN 24 2014

...PITTSBURGH ON TRACK TO HAVE ONE OF ITS COLDEST JANUARIES EVER...

WE FORECAST THE FINAL 7 DAYS OF JANUARY TO BE MUCH COLDER THAN
NORMAL. USING THIS FORECAST WE ESTIMATE THE MEAN TEMPERATURE FOR
THE ENTIRE MONTH TO BE AROUND 20.8 DEGREES. THIS WOULD BE 7.6
DEGREES COLDER THAN THE NORMAL JANUARY OF 28.4 DEGREES AND RANK
7TH ALL TIME COLDEST JANUARY. ALSO, THIS WOULD TIE FOR THE 11TH
COLDEST OF ANY MONTH ON RECORD.

COLDEST JANUARIES...

11.4 IN 1977
17.4 IN 1940
18.6 IN 1918
20.4 IN 1912
20.5 IN 1981
20.7 IN 1970
20.9 IN 1982

NORMAL JANUARY 28.4
LAST YEAR 31.5

OTHER COLD MONTHS...

18.0 IN FEBRUARY 1979
19.2 IN DECEMBER 1989
19.3 IN FEBRUARY 1963
19.7 IN FEBRUARY 1934
20.8 IN FEBRUARY 1875

TEMPERATURE RECORDS FOR PITTSBURGH DATE BACK TO 1871-72.

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Hope I don't need someone's permission to post this...

PUBLIC INFORMATION STATEMENT - AMENDED

NATIONAL WEATHER SERVICE PITTSBURGH PA

523 PM EST FRI JAN 24 2014

...PITTSBURGH ON TRACK TO HAVE ONE OF ITS COLDEST JANUARIES EVER...

WE FORECAST THE FINAL 7 DAYS OF JANUARY TO BE MUCH COLDER THAN

NORMAL. USING THIS FORECAST WE ESTIMATE THE MEAN TEMPERATURE FOR

THE ENTIRE MONTH TO BE AROUND 20.8 DEGREES. THIS WOULD BE 7.6

DEGREES COLDER THAN THE NORMAL JANUARY OF 28.4 DEGREES AND RANK

7TH ALL TIME COLDEST JANUARY. ALSO, THIS WOULD TIE FOR THE 11TH

COLDEST OF ANY MONTH ON RECORD.

COLDEST JANUARIES...

11.4 IN 1977

17.4 IN 1940

18.6 IN 1918

20.4 IN 1912

20.5 IN 1981

20.7 IN 1970

20.9 IN 1982

NORMAL JANUARY 28.4

LAST YEAR 31.5

OTHER COLD MONTHS...

18.0 IN FEBRUARY 1979

19.2 IN DECEMBER 1989

19.3 IN FEBRUARY 1963

19.7 IN FEBRUARY 1934

20.8 IN FEBRUARY 1875

TEMPERATURE RECORDS FOR PITTSBURGH DATE BACK TO 1871-72.

:lmao:

 

Thats interesting, imagine where we might be if we hadn't had that warm stretch.

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Not really sure why that weird notch in the qpf, has been there on the nam and gfs.

 

However it seems that some of the 1-3" forecasts are taking these models verbatim.

We'll see.

 

No, I doubt it.

There was a storm last year that models kept showing the .5 qpf contour seem to curve right around me run after run only to get bullseyed. Not sure why models are showing this, maybe the forcing isn't being modeled as well in that region?

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Hope I don't need someone's permission to post this...

PUBLIC INFORMATION STATEMENT - AMENDED

NATIONAL WEATHER SERVICE PITTSBURGH PA

523 PM EST FRI JAN 24 2014

...PITTSBURGH ON TRACK TO HAVE ONE OF ITS COLDEST JANUARIES EVER...

WE FORECAST THE FINAL 7 DAYS OF JANUARY TO BE MUCH COLDER THAN

NORMAL. USING THIS FORECAST WE ESTIMATE THE MEAN TEMPERATURE FOR

THE ENTIRE MONTH TO BE AROUND 20.8 DEGREES. THIS WOULD BE 7.6

DEGREES COLDER THAN THE NORMAL JANUARY OF 28.4 DEGREES AND RANK

7TH ALL TIME COLDEST JANUARY. ALSO, THIS WOULD TIE FOR THE 11TH

COLDEST OF ANY MONTH ON RECORD.

COLDEST JANUARIES...

11.4 IN 1977

17.4 IN 1940

18.6 IN 1918

20.4 IN 1912

20.5 IN 1981

20.7 IN 1970

20.9 IN 1982

NORMAL JANUARY 28.4

LAST YEAR 31.5

OTHER COLD MONTHS...

18.0 IN FEBRUARY 1979

19.2 IN DECEMBER 1989

19.3 IN FEBRUARY 1963

19.7 IN FEBRUARY 1934

20.8 IN FEBRUARY 1875

TEMPERATURE RECORDS FOR PITTSBURGH DATE BACK TO 1871-72.

How is '94 not on this list? Must have had a warm stretch in it

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We need some uber weenies in here. Our threads aren't as fun as the others, and some of the meltdowns in the I95 corridor threads are epic.

 

I'm perfectly fine with having no "uber weenies" in this thread. lol I'm here to discuss weather without any idiots causing all kinds of drama. That's why I only come to this thread anymore and avoid the rest of the forum. I used to venture to other threads in this forum and ended up seeing the true colors of a lot of the other people outside of this thread. I want nothing to do with a lot of them to be honest. I come here to enjoy talking about a hobby I love. I don't want to be fighting with people all the time on here. That's just how I feel anyway.

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Interesting stuff regarding potential persistant band setting up later.

 

NEAR TERM /THROUGH SUNDAY/...
DRY AIR IS QUICKLY BEING ERODED AROUND PITTSBURGH AS CAN BE
NOTICED BY THE QUICKLY VANISHING VIRGA SIGNATURES ON KPBZ RADAR.
AFTER SATURATION OF THE LOW LEVELS...SNOW IS QUICKLY DEVELOPING TO
THE WEST AND VISIBILITIES IN THE SNOW DROP FAIRLY RAPIDLY AFTER
ONSET TO GENERALLY 3/4 TO 2 MILES ACROSS MOST OF CENTRAL OHIO AT
THIS HOUR. IT WOULD SEEM THIS SHOULD TRANSLATE WELL INTO OUR AREA
THROUGH THE MID-MORNING HOURS AS THE SHORT WAVE TROUGH AND
ASSOCIATED VORT MAXIMA REALLY BALL UP AND TRANSITION SOUTHEAST.
THIS PLACES THE BEST HEIGHT FALLS GENERALLY FROM THE TURNPIKE
SOUTHWARD THROUGH THE DAY...WHILE IT ALSO TRANSITIONS THE MOST
INSTABILITY INITIALLY ACROSS THE NORTHERN ZONES. AS A
RESULT...DIFFERENCES IN TERMS OF LARGE SCALE EXPECTATIONS OF QPF
FROM THE SYSTEM WILL LIKELY BE RATHER MINIMAL ACROSS THE AREA DUE
TO BETTER MECHANICAL FORCING ACROSS THE SOUTHERN ZONES AND STRONG
INSTABILITY UP NORTH. MODEL QPF GENERALLY FAVORS ROUGHLY 0.20"
ACROSS THE MAJORITY OF THE CWA THROUGH THE DAY...WHICH TRANSLATES
INTO A 3-4" SNOWFALL EVERYWHERE FROM THE LARGE SCALE SYNOPTIC SNOW
EVENT USING RATIOS BETWEEN 15 AND 20 TO 1.

THE LARGE SCALE EVENT IS UNLIKELY TO BE THE ONLY PLAYER GOING INTO
THE AFTERNOON AND EVENING HOURS...HOWEVER. BOTH LARGE SCALE AND
FINER SCALE MODELS POINT TOWARD A LONG FETCH BAND OF LOW LEVEL
CONVERGENCE EMANATING FROM THE SOUTHERN HALF OF LAKE MICHIGAN
ACROSS EASTERN OHIO AND SOUTHWESTERN PENNSYLVANIA FROM THE LATE
AFTERNOON INTO THE EVENING. ODDLY ENOUGH...THE POSITIONING OF THIS
FEATURE WAS RATHER SIMILAR ON THE NAM...GFS...CANADIAN
REGION...AND ECMWF. ALL MODELS FAVOR A GENERAL 0.10" OF ADDITIONAL
QPF BEHIND THE FRONTAL SYSTEM IN THIS BAND THAT THEIR MOST LIKELY
POSITIONING SENDS FROM ROUGHLY NEW PHILADELPHIA TO JUST SOUTH OF
PITTSBURGH AND INTO THE RIDGES OF FAYETTE/PRESTON/GARRETT
COUNTIES. SHALLOW SATURATION EXTENDS FROM LAKE MICHIGAN ALL THE
WAY INTO PENNSYLVANIA WITH THIS BAND LARGELY FOCUSED BY BOUNDARY
LAYER CONVERGENCE AS WELL AS STRONG LAPSE RATES IN THE 0-6 KM
RANGE. ODDLY ENOUGH...BECAUSE COLD ADVECTION BRINGS THE DENDRITIC
GROWTH ZONE DOWN INTO THE ENTIRETY OF THE BOUNDARY LAYER ITSELF BY
AFTERNOON...IT COULD WELL MAKE THIS SMALL BAND A FAIRLY EFFICIENT
SNOW PRODUCER. EXPLICIT MODEL OUTPUT WOULD SUGGEST THE POTENTIAL
FOR AS MUCH AS 2-3" IN THIS BAND...HOWEVER GIVEN THE TREK IT WILL
HAVE TO TAKE AS WELL AS INHERENT UNCERTAINTY IN FORECASTING SUCH A
MESOSCALE BANDING FEATURE...THE FORECAST WILL GENERALLY ONLY FAVOR
AN ADDITIONAL INCH OR TWO IN THE AREA WHERE THIS BAND IS MOST
LIKELY TO PERSIST. AS A RESULT...WHILE MOST OF THE AREA IS LIKELY
TO SEE 3-5" OF PURELY SYSTEM SNOW...WHEREVER THIS BAND MAY SET
UP/PERSIST MAY SEE A FEW SPOTS OF AS MUCH AS 6 OR 7 INCHES

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Should be interesting to see where that band sets up!

 

Well lets hope last nights 00z runs were just a blip in the longer range or major weenie melt down warnings will need to go out! On the 6z GFS starting next weekened into early next week through the end of the run some shows some serious qpf like 3-4 inches but its nearly all rain. :yikes:

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Should be interesting to see where that band sets up! Well lets hope last nights 00z runs were just a blip in the longer range or major weenie melt down warnings will need to go out! On the 6z GFS starting next weekened into early next week through the end of the run some shows some serious qpf like 3-4 inches but its nearly all rain. :yikes:

And if that ends up verifying, we might be in for some big time flooding concerns. Frozen rivers and creeks melting, snow melting, and a lot of rain could spell trouble for areas along the rivers and creeks. Of course, we still have a lot of time and a lot of model runs to see how that plays out.

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2.75 inches here. The winds have really picked up and you can here the gusts coming through my big oaks. 25-30 mph really starting to blow the snow around.

Looks like the persistent stuff should be over mid afternoon, not the earlythis evening as was forecast. We are about 1/2 through after about 4 hours. Maybe moving a little faster. Would not be surprised if we saw the sun before the day is done with some sporadic lake effect bands and bursts of locally heavy snow lasting a few mins. 

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Looks like the persistent stuff should be over mid afternoon, not the earlythis evening as was forecast. We are about 1/2 through after about 4 hours. Maybe moving a little faster. Would not be surprised if we saw the sun before the day is done with some sporadic lake effect bands and bursts of locally heavy snow lasting a few mins.

I think that is incorrect. Back edge is still halfway between Cleveland and Toledo, and is all pivoting southeast. Say we have another 6 hours of steady, at least light snow. Given most already have 2-3 I'd say 4-6 is a good bet at this point.

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Looks like a general 2" around the area so far based on reports. I honestly have no idea due to existing snowpack, blowing and drifting, etc.

 

Nice wintry day - just would like to get in to some heavier bands. I saw a report of 5" already up in Armstrong County.

 

I am in Ford City and was just out there measuring now.  We are 5.5 inches.

Almost as soon as I finished mearuring at around 8:30, is tarted coming down hard and it still is.  FINALLY.

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I think that is incorrect. Back edge is still halfway between Cleveland and Toledo, and is all pivoting southeast. Say we have another 6 hours of steady, at least light snow. Given most already have 2-3 I'd say 4-6 is a good bet at this point.

Actually you are wrong, look at the radar, Cleveland will be in the clear within the hour and the density is breaking up. We will be seeing the sun by 4.

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