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Pittsburgh PA spring 2017


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they lowered the totals a tad

 

Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pittsburgh PA
932 PM EDT Mon Mar 13 2017


OHZ049-050-PAZ014-020>022-029-031-073-075-WVZ001>003-021-509-
140945-
/O.CON.KPBZ.WW.Y.0014.000000T0000Z-170315T0300Z/
Harrison-Jefferson-Butler-Beaver-Allegheny-Armstrong-Washington-
Greene-Westmoreland-Fayette-Hancock-Brooke-Ohio-Marion-Monongalia-
Including the cities of Cadiz, Steubenville, Butler, Aliquippa,
Beaver Falls, Ambridge, Monaca, Pittsburgh Metro Area,
Kittanning, Ford City, Washington, Canonsburg, Waynesburg,
Murrysville, Greensburg, New Kensington, Uniontown, Weirton,
Follansbee, Wellsburg, Wheeling, Fairmont, and Morgantown
932 PM EDT Mon Mar 13 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT
TUESDAY...

* SNOW ACCUMULATIONS...3 to 5 inches.

* TIMING...Overnight through Tuesday, with the heaviest snow
  through early morning.

* IMPACTS...The heavy snow will cause hazardous travel conditions
  along with isolated power outages.

* WINDS...North 10 to 15 mph with gusts up to 25 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving.

Please report snowfall by calling 412-262-1988, posting to the
NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH

&&

$$


I'm not expecting 3-5, most likely C-1"

I rather have 60 and sunny instead of this cold and dry crap.

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1 minute ago, psunate1977 said:

I'm sorry, I know what the models show, but I find it hard to believe that we are going to get snow for almost 12 hours, with a few hours of heavier snow and only going to get 2-3"

 

 

latest models show barely two inches. This storm is toast.

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I am glad at least we have members in our group that have a sense of humor. This is a tough time but it will pass like it always does. I have to tell another funny story. I was at my bowling league tonight and people were talking about cancellations from the snow tomorrow morning. I told people it would not be too bad because the heavier snow will be East of us. One guy said "yes but I have to go to work over there tomorrow" I said where do you have to go to work and he said "Elizabeth off of 51". He heard they were going to get a foot over that way. So for all you people down in Elizabeth and up in Cranberry enjoy your foot. :facepalm:

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7 minutes ago, north pgh said:

I think I just saw Jim Cantore over on the North Shore waiting for the snow to start.:thumbsup:

The last time I can remember TWC being in Pittsburgh for anything was for that January 1994 snowstorm I believe. The guy that was here was actually from the area but I can't remember his name. I can picture him though. Thought it was pretty cool how we seemed to be at the center of the weather universe that day.

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6 minutes ago, blackngoldrules said:

The last time I can remember TWC being in Pittsburgh for anything was for that January 1994 snowstorm I believe. The guy that was here was actually from the area but I can't remember his name. I can picture him though. Thought it was pretty cool how we seemed to be at the center of the weather universe that day.

Jeff Morrow?

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Winter Weather Advisory has been cancelled. Another one in the bust category. Here's my forecast now. Temps are supposed to go back up again next week. I want spring now. Goodnight folks.

Overnight
A chance of snow, mainly after 3am. Cloudy, with a low around 29. East wind around 7 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow showers, mainly after 1pm. High near 30. Northeast wind 5 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow showers before 8pm, then snow likely between 8pm and 9pm, then snow showers likely after 9pm. Low around 16. Northwest wind 10 to 14 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
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Only in the SWPA... lol what a total and epic fail! I expected to wake up to little, had a dusting, but once I hit 28 South it was in the mid 30s and absolutely nothing on the ground. The writing was on the wall for the last 36 hours at least, and you could see totals getting slashed as models caught onto the snow hole that setup over our area.

And now it has begun, everyone at work talking about how we were supposed to get 6, 8, 12 inches and there's nothing blah blah blah.. Anyways, we stand to possibly see more snow tonight from Lake Effect bands than from this storm. Guess that goes to show how utterly futile this winter has been when the lakes are still open for business in mid March! Anyways, nice write up from Fries in the NWS discussion about all the factors that came together to produce the perfect NON storm:

NEAR TERM /UNTIL 6 PM THIS EVENING/...
Quite a complicated situation is ongoing across the area as a
myriad of factors seem to be playing out to keep semi-
stationary bands of snow across the western and southeastern
portions of the area all the while skunking Pittsburgh itself.
First and foremost, dry air just has simply been impossible to
get rid of. Owing to the 00z sounding indicating a chasm between
temperatures and dewpoints in the lower third of the
troposphere, substantial moist advection in that layer would
need to become manifest. With semi-continual southeasterly
downslope flow off the ridges that has edged northeast with time
from a source region with surface dewpoints in the teens, this
just hasn`t happened. But why might that be?

Earlier in the night, some interesting jet dynamics seemed to be
at play whereby the upper jet streak driving a mesolow across
northern Ohio combined with a deformation band across central
and eastern Ohio gradually started to fade as it slowly oozed
northward. This allowed for the western band in the CWA to lose
is eastward impetus, thus stalling largely over Ohio as the
upper level system started to transition from a weakly positive
to weakly negatively-tiled structure. As this occurred, the
southern jet streak rapidly become the main forcing mechanism
driving the upper levels and given that it`s axis generally
extended through the southeasternmost portion of our area, this
kept the right entrance region limited to basically areas east
and south of Morgantown. Thus, a combination of easterly
downslope, unfavorable jet dynamics, a near stationary fading
deformation zone, and moisture transport limited to the
southeastern ridges, the focusing mechanism for precipitation
outside of central Ohio and the ridges really just...evaporated.

Because of this, the warnings and advisories for the area were
necessarily reworked favoring advisories under the deformation
zone in Ohio, and warnings with strong moisture advection into
the right entrance region of the strongly-curved upper level jet
across the ridges. As said jet lifts northeastward through the
day, the surface low will track up the eastern seaboard and
surface flow will gradually transition northerly across the
area. With ensuing dry advection aloft, there is some chance the
dendritic growth layer dries out for a bit while the boundary
layer looks rather moist and unstable. This was favored in NAM
soundings yet really not in the GFS. If this should occur, some
areas of freezing drizzle may be possible. Confidence in this
scenario was not anywhere near high enough to include in the
forecast at this time, however.

As colder air loft by later this afternoon, lapse rates should
greatly increase while the dendritic growth layer crashes into
the boundary layer. This will allow for northerly flow and
increasing snow shower coverage. Much of the area that failed to
see much some last night or this morning will finally see some
by that juncture. Fries
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Hey, see you guys all in 10 days for this one:

http://www.tropicaltidbits.com/analysis/models/gfs/2017031406/gfs_mslp_pcpn_frzn_us_41.png

I really just wish we could move into a warm Spring at this point, this pattern would have been great a month ago, but instead we had 3 lousy months of winter that fade into a cool wet start to Spring, absolute worst pattern progression possible.

I'll still hold out hope for a blizzard in early January or Feb followed by a week of cold and re-enforcing shots of snow from clippers next season. :)

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Color me not shocked at all.  No flakes, even.  Surprised it took NWS that long to get on board.

No more storm tracking for me.  Winter is over in seven days and it is clear there's nothing good to come from this season.  Even the cities are busting with this storm.

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5 minutes ago, north pgh said:

This is comical. Everyone on this board knew we weren't getting any snow. We are the only ones. Local news has egg on their faces. At 11:00 last night they were telling people to stay off the roads today. My wife is stunned as she was told not to come in today and has work to do.

I was so glad all day yesterday I was telling everyone not to expect more than an inch or 2 despite what you are hearing.

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