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Pittsburgh/Western PA WINTER ‘25/‘26


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2 minutes ago, SteelCity87 said:

My main concern because I can't either. I noticed point and click has a mix included now all the way to to Mckeesport. 

The possibility of sleet after 4pm tomorrow in my forecast too. Did bump up my possible snow/sleet total from 5 to 9 to 6 to 10 for Sunday during the day though.

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The radar over sw oklahoma and texas is certainly more impressive than what the HRRR has modeled. 

Wha about the temperature profiles?

Nashville was colder than modeled earlier. Not sure if it still is. But I think the snow was hanging a little longer than Mets down there thought


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17 minutes ago, Rd9108 said:

Not that itnmeans anything but another obs

Apparently according to twitter NAM is doing great so far

 

Little Rock it had basically nothing just sleet they’re @ 6 inches

Do you mean NAM is bad?

Saw PB posted this

Little Rock Arkansas has 5 to 7 inches NAM yesterday? NOTHING

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5 minutes ago, colonel717 said:

Do you mean NAM is bad?

Saw PB posted this

Little Rock Arkansas has 5 to 7 inches NAM yesterday? NOTHING

Just looked at NWS Little Rock's page. They forcasted for 2-4 in the metro. So a slight over performer than forecasted. 

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Well, I mentioned the snow mixed with sleet possibility a couple days ago in the forecast, especially city and south, and that's exactly what my forecast is now. Lol I wasn't trying to be a downer, but I've just seen this too many times. I just hope it doesn't last long and doesn't cut the totals down too much.

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I doubt think that NAM result guarantees anything down the road - but it certainly shows it can overdo it. Still optimistic that city and points north stay clean. Honestly, the only area in the metro area where things might be held down to a significant degree is the 119 cooridoor. But hopefully still >8” in through there before mixing. 

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1 hour ago, colonel717 said:

I can never remember a storm where we had a Low that close to us where we didn't flip.  I know south of us may, but I would have expected some in AGC. So we will see.

Depth of this cold is no doubt a variable we don't usually have on our side. 

It is not usual that places in the lowlands NW of the ridges do better either, that probably has more to do with track of the low.

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Checking short-term trends, proclivity is more QPF which also comes with higher chance of warm layers.  I think I stick with my call from earlier this AM and hope for an overperformance and minimal sleet/ZR.

NBM did increase odds of >18" from 4% to 11% at AGC, but shows more pronounced chance of mix during a brief period.  I wonder how the NBM accumulation products account for mixes and ratios with inconsistent output across models.  Hard to say.

Also, if you check NAM runs from yesterday, they didn't have zero snow at Little Rock.  The thermal profile was maybe off but it did show like 3-6" of accumulation by noon today on near every run as far as I can tell.  No idea what that person is looking at.

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2 minutes ago, Rd9108 said:

IMG_1706.thumb.png.1d5f372f09a680c250a63bb085c89582.png

Keep in mind Euro is historically a warmer model that also has called off many a storm. If you blend all the other guidance, this result seems pretty feasible. And it’s not on the super warm train.

 (Maybe not quite the totals, but the general depiction in our area seems good)

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3 minutes ago, jwilson said:

Checking short-term trends, proclivity is more QPF which also comes with higher chance of warm layers.  I think I stick with my call from earlier this AM and hope for an overperformance and minimal sleet/ZR.

NBM did increase odds of >18" from 4% to 11% at AGC, but shows more pronounced chance of mix during a brief period.  I wonder how the NBM accumulation products account for mixes and ratios with inconsistent output across models.  Hard to say.

Also, if you check NAM runs from yesterday, they didn't have zero snow at Little Rock.  The thermal profile was maybe off but it did show like 3-6" of accumulation by noon today on near every run as far as I can tell.  No idea what that person is looking at.

The were looking at Pivotal 10:1, so could have been other presentations that showed more snow. 

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