Jump to content
  • Member Statistics

    17,606
    Total Members
    7,904
    Most Online
    ArlyDude
    Newest Member
    ArlyDude
    Joined

Pittsburgh, PA Thread


meatwad

Recommended Posts

I had almost exactly 2" here between yesterday morning and this morning. That's measured where my kids wait for the school bus, which I cleaned off, on both days.

When I walked out last night at 2 a.m., I thought I was going to have to plow, but further south, towards Pittsburgh, I didn't measure more than 3/4" anywhere. (Which, granted, I was measuring on surfaces that I'd salted the day before.)

Link to comment
Share on other sites

  • Replies 1.1k
  • Created
  • Last Reply

That storm next week looks like it is going to be a Monster for somebody. Did anybody catch the 6z DGEX?

post-484-0-79006400-1296224681.gif

Yeah and I just checked out the 12z GFS and it pumps a lot of moisture into our area. I just don't like the location of the low because we'd probably have some p-type issues with that scenario. The frozen line comes right up over us at one point. The GFS has stayed more consistent with the last few runs now bringing the low up toward our area. Hopefully, it'll have a slight adjustment back to the south and east to keep us all snow. This model and the other models I'm sure will go through many more changes as we get closer. I'll say this, I'd rather have this scenario than another storm missing us to the south and/or east again. At least this gives us a chance at something substantial anyway.

Link to comment
Share on other sites

There have been some strong signals for an overrunning event next week. Especially with the Gulf and Pacific open, it could be a potent system. The issue will be where the High locks in and whether or not it moves out preceding the moisture. Hopefully the atmosphere works to our advantage next week, but at this point it is too early to tell either way.

Not much from the overnight clipper, about .5 inch. Expecting the same tonight and tomorrow, really. Next week will be interesting to watch. Maybe we can finally get a true Miller A.

Link to comment
Share on other sites

There have been some strong signals for an overrunning event next week. Especially with the Gulf and Pacific open, it could be a potent system. The issue will be where the High locks in and whether or not it moves out preceding the moisture. Hopefully the atmosphere works to our advantage next week, but at this point it is too early to tell either way.

Not much from the overnight clipper, about .5 inch. Expecting the same tonight and tomorrow, really. Next week will be interesting to watch. Maybe we can finally get a true Miller A.

It would be nice if this one could work out for us, almost a year later to the day of last year's monster.

Link to comment
Share on other sites

There have been some strong signals for an overrunning event next week. Especially with the Gulf and Pacific open, it could be a potent system. The issue will be where the High locks in and whether or not it moves out preceding the moisture. Hopefully the atmosphere works to our advantage next week, but at this point it is too early to tell either way.

Not much from the overnight clipper, about .5 inch. Expecting the same tonight and tomorrow, really. Next week will be interesting to watch. Maybe we can finally get a true Miller A.

We also need to pay attention to the PV. That is what is causing the system to transfer rather than heading to the lakes. If it is a little bit stronger, then I think you see the transfer happen a little bit further south thus keeping the warm air out of our area.

Link to comment
Share on other sites

I think the last few comments were excellent as far as the setup, the potential, what could go wrong, and what we need for it to go right.

FWIW - most of the GFS ensembles have the Low going through Wva before the transfer. That would likely be a tremendous hit. As modeled, the operational is a potentially sloppy 6" to 8" for the city, with the warm tongue really getting the southern counties.

Link to comment
Share on other sites

Euro looks like it has the PV further out of the way so the storm is allowed to amplify and go further West. There are of course other differences at play but I know that we don't want to see that. So much cold air for this system to work with, and nice high pressures around to funnel cold air down. This could end up being pretty icy for somebody.

Link to comment
Share on other sites

Putting this here for everyone's reference.....I saw this on the general storm thread.....

EXTENDED FORECAST DISCUSSION

NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD

136 PM EST FRI JAN 28 2011

VALID 12Z MON JAN 31 2011 - 12Z FRI FEB 04 2011

...MAJOR WINTER STORM SETTING UP NEXT WEEK FROM THE ROCKIES TO THE

NORTHEAST...

MEDIUM RANGE GUIDANCE IS AGREEABLE WITH THE LARGE SCALE SCENARIO

OF AN ELONGATED MEAN TROF EXTENDING FROM NERN CANADA SWWD INTO THE

SWRN CONUS... LIKELY WITH SOME SEPARATION BETWEEN SRN CANADA/NRN

TIER CONUS FLOW AND WRN/SRN CONUS FLOW. THIS TROF WILL BE

SUPPORTED BY A MEAN RIDGE THAT SHOULD PERSIST OVER THE ERN PAC/WRN

CANADA ALBEIT WITH SOME CHANGE IN SHAPE OVER TIME. WHILE A GOOD

CONSENSUS EXISTS WITH THE LARGE SCALE MEAN EVOLUTION... THERE IS

LOWER THAN AVERAGE CONFIDENCE IN DETAILS DUE TO THE SPLIT FLOW

NATURE OF THE NOAM PATTERN AND ADDITIONAL UNCERTAINTIES PRESENTED

BY ERN PAC ENERGY THAT MAY TRY TO PASS THRU THE MEAN RIDGE BY

MID-LATE WEEK.

THE MOST PROMINENT SFC SYSTEM FOR WHICH SHRTWV UNCERTAINTIES COME

INTO PLAY IS FCST TO TRACK NEWD FROM THE SRN PLAINS TUE ONWARD.

TO VARYING DEGREES THE 00Z GFS AND ECMWF HAVE MADE MEANINGFUL NWWD

ADJUSTMENTS FROM FAIRLY SUPPRESSED TRACKS IN MULTIPLE PREVIOUS

RUNS. THE ECMWF TREND IS MORE EXTREME AS ITS PREVIOUS TWO RUNS

WERE ON THE SERN SIDE OF THE ENVELOPE AND THE NEW 00Z RUN IS NOW

ON THE NWRN SIDE OF GUIDANCE. THE CANADIAN IS A FAST EXTREME TO

BRING SWRN CONUS ENERGY INTO THE PLAINS AND IS ALSO IN THE NWRN

PART OF THE SPREAD... WHILE THE UKMET TRACK IS NOT QUITE AS FAR

NWWD AS ITS PREVIOUS RUN. OVERALL PREFER A GEFS MEAN/12Z ECMWF

ENSEMBLE MEAN SOLN THAT FALLS IN THE MIDDLE OF LATEST AND RECENT

GUIDANCE GIVEN THE SENSITIVITY OF SHRTWV DETAILS AND SIGNIFICANT

RUN TO RUN CONTINUITY CHANGES.

BEHIND THIS SYSTEM... BY WED NIGHT-FRI THERE IS CONSIDERABLE

SPREAD REGARDING ENERGY THAT MAY TRY TO PASS THRU THE ERN PAC MEAN

RIDGE. THE 00Z ECMWF AND SLOWER 00Z GFS BOTH SEEM A LITTLE STRONG

SO THE ENSEMBLE MEAN BLEND USED FOR THE PLAINS/ERN CONUS SYSTEM

PROVIDES A MORE TOLERABLE SOLN AT THIS TIME. THE GEFS MEAN IS A

LITTLE EXTREME WITH ITS SLOWER TIMING/WWD ELONGATION OF THE TROF

SETTLING OVER THE SWRN CONUS SO INCLUSION OF THE ECMWF MEAN TONES

DOWN THIS ASPECT OF THE FCST.

WHILE DAYS 5-7 WED-FRI FOLLOW A BLEND OF THE GEFS/12Z ECMWF

MEANS... MISSING DATA DUE TO EARLIER COMMS ISSUES PRECLUDED USE OF

THE ECMWF MEAN FOR DAYS 3-4. THUS THE EARLIER PART OF THE FCST

STARTED WITH A BLEND OF GFS/ECMWF/GEFS MEAN SOLNS TO ARRIVE AT AN

ACCEPTABLE COMPROMISE.

UPDATED MORNING PRELIMS USE A MULTIMODEL BLEND OF 00Z

GFS/ECMWF/CMC/UKMET/GFS ENS MEAN. THE RESULT IS NEARLY IDENTICAL

TO THE EARLIER USED SOLUTION.

12Z MODEL GUIDANCE FOLLOWS CONTINUITY AND A COMPOSITE OF THE RUNS

WOULD CONTINUE TO YIELD THE BLENDED SOLUTION OF HPC. NO CHANGES

FOR AFTERNOON FINALS.

AS SHORTWAVE ENERGY MOVES INTO THE FOUR CORNERS REGION EARLY

TUESDAY AND ARCTIC HIGH PRESSURE PLUNGES DEEP INTO THE PLAINS WITH

GREATER THAN 20 DEGREE NEGATIVE TEMPERATURE ANOMALIES. THIS WILL

BRING STRONG UPSLOPE FLOW INTO THE CO ROCKIES FRONT RANGE WITH

MDT/HVY SNOWFALL TO THE SRN ROCKIES SPREADING EWD INTO THE CENTRAL

PLAINS. MID LEVEL ENERGY SHEARS OUT EWD AND A MDT SFC LOW DEVELOPS

OVER ERN TX BY TUESDAY. THIS LOW MOVES NEWD INTO KY/TN WED AND

REFORMS OFF THE MID ATLC CAPES AND RAPIDLY MOVES NEWD OFF NOVA

SCOTIA BY THURSDAY. MDT TO HVY RAINFALL POTENTIAL SOUTH OF THE LOW

PRESSURE TRACK WITH SNOW ACROSS THE CENTRAL PLAINS AND MAINLY

NORTH OF THE OH RIVER AND MASON DIXON LINE INTO NEW ENG. HEAVY

SNOW THREAT INDICATED BY OPERATIONAL MODELS QPF OUTPUT/ANALOGS AND

FAVORABLE MID AND UPPER LEVEL JET STRUCTURE WITH ICING THREAT

ALONG THE CHANGE OVER AND THEN THE DAMMED IN AREA IN THE MID ATLC

PIEDMONT.

PACIFIC RECON FLIGHTS REQUESTED INTO THE CRITICAL UNCERTAINTY AREA

AHEAD OF THIS SYSTEM IN THE NE PACIFIC. IF A FLIGHT IS AVAILABLE

THIS DATA COULD GET INTO THE MODEL SYSTEMS BY THE RUNS OF SUNDAY

00Z/12Z 30 JAN.

Link to comment
Share on other sites

from NWS Pitt

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...

THE DRY WEATHER WILL CONTINUE INTO MONDAY UNDER A WEAK SURFACE RIDGE.

WARM FRONT AHEAD OF NEXT STORM WILL BRING A CHANCE OF SNOW SHOWERS

BUT LITTLE ACCUMULATION INTO TUESDAY NIGHT. THE MAIN EVENT WILL BE

SOME SIGNIFICANT SNOW ACCUMULATION WEDNESDAY INTO WEDNESDAY NIGHT.

A SURFACE LOW IN THE SOUTHERN STREAM WILL MOVE FROM NEAR THE

GULF COAST TUESDAY EVENING TO NEAR PITTSBURGH BY WEDNESDAY EVENING.

THE STORM WILL BRING PERIODS OF SNOW THAN MAY BE HEAVY AT TIMES.

THE STORM MOVES RAPIDLY OFF THE NEW ENGLAND COAST BY THURSDAY MORNING

BRINGING NORTHWEST FLOW AND COLDER TEMPERATURES IN ITS WAKE ALONG

HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE PITTSBURGH PA

333 PM EST FRI JAN 28 2011

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

029-031-073>076-WVZ001>004-012-021>023-041-292045-

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-

333 PM EST FRI JAN 28 2011

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

A SIGNIFICANT WINTER STORM IS POSSIBLE MID WEEK.

WITH LAKE EFFECT SNOW SHOWERS FOR THURSDAY INTO FRIDAY.

Link to comment
Share on other sites

from NWS Pitt

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...

THE DRY WEATHER WILL CONTINUE INTO MONDAY UNDER A WEAK SURFACE RIDGE.

WARM FRONT AHEAD OF NEXT STORM WILL BRING A CHANCE OF SNOW SHOWERS

BUT LITTLE ACCUMULATION INTO TUESDAY NIGHT. THE MAIN EVENT WILL BE

SOME SIGNIFICANT SNOW ACCUMULATION WEDNESDAY INTO WEDNESDAY NIGHT.

A SURFACE LOW IN THE SOUTHERN STREAM WILL MOVE FROM NEAR THE

GULF COAST TUESDAY EVENING TO NEAR PITTSBURGH BY WEDNESDAY EVENING.

THE STORM WILL BRING PERIODS OF SNOW THAN MAY BE HEAVY AT TIMES.

THE STORM MOVES RAPIDLY OFF THE NEW ENGLAND COAST BY THURSDAY MORNING

BRINGING NORTHWEST FLOW AND COLDER TEMPERATURES IN ITS WAKE ALONG

HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE PITTSBURGH PA

333 PM EST FRI JAN 28 2011

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

029-031-073>076-WVZ001>004-012-021>023-041-292045-

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-

333 PM EST FRI JAN 28 2011

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

A SIGNIFICANT WINTER STORM IS POSSIBLE MID WEEK.

WITH LAKE EFFECT SNOW SHOWERS FOR THURSDAY INTO FRIDAY.

I must say, seeing that makes me actually feel cautiously optimistic. It's also interesting that this possible event is almost a year after last year's 20-some inches. Maybe a good sign?

Link to comment
Share on other sites

I must say, seeing that makes me actually feel cautiously optimistic. It's also interesting that this possible event is almost a year after last year's 20-some inches. Maybe a good sign?

I find it strange that NWS Pit would put the heavy snow information in the discussion with the the storm 5 days out.

Link to comment
Share on other sites

I must say, seeing that makes me actually feel cautiously optimistic. It's also interesting that this possible event is almost a year after last year's 20-some inches. Maybe a good sign?

Yeah, I mentioned that earlier. Almost a year to the day. I'm still concerned about the track of the low if it comes right at us. We usually have slop issues with that type of track. I guess the PV is going to be one of the keys like most have mentioned here already.

Link to comment
Share on other sites

I must say, seeing that makes me actually feel cautiously optimistic. It's also interesting that this possible event is almost a year after last year's 20-some inches. Maybe a good sign?

Yes for the NWS which is very conservative when it comes to calling for severe weather 5 of so days out is encouraging if you want a snowstorm. The GFS looks real nice , QPF totals .75-1.00" over a 48 hour period and over the last day or two not much flip flopping. I am sure the NAM will get ahold of this and F it up like it has done all Winter, till 24 hours out.

Link to comment
Share on other sites

18z GFS trends further west. We probably get slop from this storm with that sollution. Needs to come back east! Still a lot of time to do this and, considering the GFS had this thing off the coast yesterday, it's definitely possible. I just don't like that most of the models seem to at least somewhat agree with this sollution right now. I think the GFS is actually the best one for us and it would probably give us slop before transferring to the coast and shooting up the NE coast. It would just give us less "slop" than the others right now. This will be an interesting next few days watching this thing.

Link to comment
Share on other sites

From Jeff V. this really suprises me. He just posted this on Twitter. "Pretty quiet for sunday, monday & tuesday...then it's game on tuesday night into wednesday w/ significant storm (snowfall) possible"

Wow this surprises me even more than NWS Pitt. He has to be the most conservative met I've ever watched. Not that it's a bad thing. Just saying.

Link to comment
Share on other sites

IMO, they all see a major storm. No doubt about it.

I'm still on the fence about precip, though. Climatologically, the WTOD usually rears its ugly head in this setup.

PS: 6" of snow is cool...6+" of wet snow and I'll be done with winter.

I hope I'm wrong, but I just don't have a good feeling about this one right now. All the models seem to be showing a lake cutter before transferring to the coast. As it shows currently, maybe we'd see an inch or two initially before the warmer air rushes in, and another inch or two as the transfer takes place, but a lot of rain and slop in the middle. That's just how it looks right now. It's the general agreement of all the models right now with this solution that is concerning. I'm not giving up or anything before someone yells at me. lol There's a lot of time for things to change obviously. I'm just giving my feeling on this based on what all the models are showing currently. Plenty of time to go on this one. Just looks ugly right now.

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...