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Caveman

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Posts posted by Caveman

  1. 1 hour ago, MAG5035 said:

    The only thing really keeping me into this threat to any degree is the 500mb ridge axis in great positioning for C-PA. Otherwise it just looks like the trough is going to swing negative too late and system stays relatively progressive. 

    Looked a little bit further into the CIPS analog stuff and off GFS guidance one of the top analogs for the Northeast/East Coast domain that come up is the Boxing Day 2010 storm, which I think is most the representative analog vs forecast setup of a top 5 that consisted of Jan 2016 and even Jan 1996. That’s why the 90th percentile is off the hook on that analysis. Statistically, those accumulations represent amounts that are higher than 90%+ of the dataset.. the highest outliers in other words. Having those big hitters in the mix also skews the mean as well. 

    Here’s the median snowfall, which indicates a lot of these analogs didn’t produce much of anything.

    image.thumb.png.b372681d26256a86c417147bbbf38550.png

     

    Here’s the mean 500mb vs GFS

    image.thumb.png.f91df91686d96eeb1bd2552e207571a1.png

    The mean western ridge axis on the analogs is actually a tad east of what the GFS has, and it’s definitely west of the alignment for the Boxing Day 2010 storm. That storm actually tracked up from the Carolina coast and inside of the benchmark while the general consensus of guidance right now is to take the surface low up from Hatteras outside (southeast) of the benchmark. So I think this certainly has room to trend snowfall back our direction, but I’m fairly doubtful it’ll be enough for C-PA due to the reasons mentioned at the top of the post. The storm gets going too late. 

    That is an excellent point concerning the skew of the 15 analog means by the 2 "outliers".  It would be very interesting to be able to produce a map that does show the top 15 w/out the 2 "outliers"...but that is above my pay grade!  

  2. 7 hours ago, AccuChris said:

    It is not exact, but it has some similarities to the “surprise” January 24-25, 2000 coastal. The H84 NAM 500mb map is closely similar to the 12z Jan 24 2000 500mb re-analysis. That storm dumped heavy snow in the Carolinas and Virginia, Maryland, Delaware and I remember eastern PA got between 8-14”24c40e790023de816d1a5785087211b9.jpg


    .

    image.thumb.png.b1d464f8058fa7cf8e8bf945a2aeba1d.png

    This is from the CIPS website...kinda fun to peruse... https://www.eas.slu.edu/CIPS/ANALOG/analog.php

  3. Everyone here shares a desire to better understand the weather and climate in and around central Pennsylvania. We all have our own biases, but at the core, we want to learn from one another and exchange perspectives on the current state of the atmosphere and the parameters that go into predicting sensible weather.
    Few of us are true modelers, yet we all try to interpret the models and, at times, extrapolate beyond them. What binds us together is a genuine love of weather—and, admittedly, the extremes the atmosphere can deliver.
    Whether it’s Kyle or Eric is ultimately irrelevant. I was fortunate to be around many “heavy hitters” at PSU in their heyday at Walker, and it all reinforces the same point: we love the weather and strive to better understand the outcomes, whether they turn out to be a boom or a bust.
    Over the past several days, many of us have had our emails and messages light up with requests for our thoughts. That’s a compliment to this community and a sign of the respect people have for the collective knowledge here—especially regarding the nuances of our fickle atmosphere in the LSV.
    So with that said, whether it’s Eric, Kyle, Ryan, Joe, DT, or Dr. Greg, we’ve all learned from those who have dedicated their lives to understanding sensible weather. Let’s appreciate all of them, appreciate the meteorology of the impending event(s), and remember both the booms and the busts we’ve seen—and will continue to experience in the future.
    • Like 2
  4. 1 hour ago, Yardstickgozinya said:

    Well, I'm not trying to be a dick, buddy. but a lot of these guys here aren't going to take kindly to the back and forth between me and you with a event of this nature coming into the short range. I don't know exactly what defines a blizzard but at this point the national weather service is either not seeing or are anticipating we meet the criteria. Furthermore if they are going to put out a blizzard warning, they have to be confident that they know where the criteria will be met. Once that's pinned down., maybe we'll see something like that somewhere. As far as duration  no one can give you an accurate answer on that yet with this particular storm. 

     

    39 minutes ago, Ruin said:

    I know for a blizzard criteria temps in the teens and winds higher then 20 mph mostly it doesnt depend on heavy snow but high winds and temps in the teens. atm my high is now only 15 this would bring me to 20-1 ratio which during yesterday was said to be a stretch we would be in the mid teens during the snow they were looking at temps 18-20 yesterday but ty for the reply 

    From the National Weather Service...

    Blizzard Warning

    A Blizzard Warning means that the following conditions are occurring or expected within the next 12 to 18 hours.
    1) Snow and/or blowing snow reducing visibility to 1/4 mile or less for 3 hours or longer
    AND
    2)  Sustained winds of 35 mph or greater or frequent gusts to 35 mph or greater.
    There is no temperature requirement that must be met to achieve blizzard conditions.

    • Thanks 1
  5. 16 minutes ago, Jns2183 said:

    I guess it's due partly to the strength of the new low forming offshore and the timing of the phase but in a couple images I can show you whats stopping this from being a top 5 storm most likely. That dry air pours in during handoff shutting our preceiptitation off early Monday. The coastal doesn't really get going or does far too late due to the progressive nature and timing. I think some of the bigger totals like 24" plus were due to everything happening earlier and the phase being stronger allowing coastal to spin up. Yes we would definitely still dry slot some, and sleet might be an issue for a bit but the ccb makes those minor incidents for those lucky enough to be under it, although I'd wager at least 5 pages of doom posting during lull from those who a few hours later would be posting in ecstasy Screenshot_2026-01-21_195519.jpgScreenshot_2026-01-21_195536.jpg

    Sent from my SM-S731U using Tapatalk
     

    That last sentence is truthful and hilarious...!

  6. 1 hour ago, Itstrainingtime said:

    Loved Penn State's effort today. Satisfying way to end a crazy season. It'll be interesting to see what Ethan decides to do. I'm a fan.

    If he was truly being advised to better his chances in the NFL, he should stay on at PSU (as a backup), learn under the new HC and OC and their 5th year QB, then play one or two years at PSU and take it from there...

    • Like 1
  7. So much to think about...it's only a clipper...but the mid-level vorticity is potent...but the antecedent air mass was bone dry...but the height falls are impressive...but the surface high is too far south...but the low level winds are from the warm ocean advecting moisture...at the least, this will be an interesting winter event; if it were mild, we say we need this ~0.30 " of precip and go on our ways!  Love the wx and the meteo!

    • Like 1
  8. 2 minutes ago, paweather said:

    We haven’t had a good March winter for awhile 

    Not a fan of March winters as a former high school spring sports coach!  Baseball in PIAA should be in the fall, but there's no way with king football.  Track and field is ok...but often damp, cold and windy for both the runner and throwers!  Love the 4 seasons!

     

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  9.  

    37 minutes ago, canderson said:

    Wind reports 

    Location                     Speed     Time/Date       Provider             
    
    ...Pennsylvania...
    
    ...Adams County...
    Cashtown 1 S                 51 MPH    0700 AM 02/17   COOP                 
    
    ...Bedford County...
    Bedford Airport              47 MPH    0515 AM 02/17   AWOS                 
    
    ...Blair County...
    Altoona-Blair County Airport 59 MPH    0502 PM 02/16   AWOS                                  
    Blair Helibase               48 MPH    0116 AM 02/17   RAWS                 
    
    ...Cambria County...
    Johnstown Airport            58 MPH    0420 PM 02/16   ASOS                 
    1 E Cresson                  50 MPH    1125 PM 02/16   PADOT                
    
    ...Centre County...
    PSU Beaver Stadium WxSTEM    55 MPH    0620 PM 02/16   MESOWEST             
    University Park Airport      49 MPH    1053 AM 02/17   AWOS                 
    PSU Golf Course WxSTEM       47 MPH    0610 PM 02/16   MESOWEST             
    1 NE Port Matilda            47 MPH    0625 PM 02/16   PADOT                
    Zion                         45 MPH    0638 PM 02/16   CWOP                 
    
    ...Clearfield County...
    Clearfield Airport           51 MPH    0559 PM 02/16   ASOS                 
    
    ...Clinton County...
    Lock Haven Airport           45 MPH    0645 PM 02/16   AWOS                 
    Coffin Rock                  45 MPH    1016 AM 02/17   RAWS                 
    
    ...Cumberland County...
    6 SSE Bloserville            47 MPH    0725 AM 02/17   PADOT                
    
    ...Dauphin County...
    ELIZABETHVILLE               63 MPH    0714 PM 02/16   CWOP                 
    Harrisburg                   56 MPH    0400 PM 02/16   MESOWEST             
    Harrisburg Intl Airport      53 MPH    0601 PM 02/16   ASOS                 
    Hummelstown                  48 MPH    0706 PM 02/16   CWOP                 
    Reach Cyber CharSch WxSTEM   45 MPH    0720 PM 02/16   MESOWEST             
    
    ...Franklin County...
    1 NNW Marion                 49 MPH    0625 PM 02/16   PADOT                
    
    ...Fulton County...
    2 S Crystal Springs          54 MPH    0945 PM 02/16   PADOT                
    
    ...Juniata County...
    3 S Alfarata                 57 MPH    0650 PM 02/16   PADOT                
    
    ...Lancaster County...
    Lancaster Airport            58 MPH    0740 PM 02/16   ASOS                 
    Lititz                       58 MPH    0824 PM 02/16   ASOS                 
    Manheim                      55 MPH    0745 PM 02/16   CWOP                 
    1 E Rothsville               52 MPH    0641 PM 02/16   Public               
    Elizabethtown                48 MPH    0836 PM 02/16   CWOP                 
    
    ...Lebanon County...
    2 ENE Harper Tavern          58 MPH    0630 PM 02/16   Trained Spotter      
    Muir Airfield Ft. Indiantown 53 MPH    0917 AM 02/17   AWOS                 
    
    ...Lycoming County...
    Williamsport Airport         55 MPH    0123 AM 02/17   ASOS                 
    
    ...McKean County...
    Bradford Airport             53 MPH    0307 AM 02/17   ASOS                 
    
    ...Mifflin County...
    Mifflin County Airport-RVL   64 MPH    0355 AM 02/17   AWOS                 
    Lewistown                    53 MPH    0411 PM 02/16   Dept of Highways     
    Chestnut Springs             46 MPH    0451 PM 02/16   RAWS                 
    
    ...Perry County...
    Newport                      49 MPH    0651 PM 02/16   Dept of Highways     
    2 ENE Newport                49 MPH    0725 PM 02/16   PADOT                
    
    ...Schuylkill County...
    Joe Zerbey Airport           51 MPH    0735 PM 02/16   AWOS                 
    
    ...Snyder County...
    Selinsgrove                  48 MPH    1047 PM 02/16   ASOS                 
    
    ...Somerset County...
    Somerset                     52 MPH    0600 PM 02/16   CWOP                 
    Ogletown                     52 MPH    0610 PM 02/16   PADOT                
    Somerset Airport             48 MPH    0355 PM 02/16   AWOS                 
    
    ...Union County...
    LEWISBURG                    46 MPH    0322 AM 02/17   CWOP                 
    
    ...York County...
    Capitol City Airport         49 MPH    0916 AM 02/17   ASOS                 
    York Airport                 47 MPH    0429 PM 02/16   ASOS                 
    Dover                        47 MPH    0445 PM 02/16   CWOP                 
    

     

     

    https://mesonet.agron.iastate.edu/api/1/nwstext/202502171626-KCTP-NOUS41-PNSCTP?fbclid=IwZXh0bgNhZW0CMTEAAR0vbrPgWkpJG5GK2uIOJFO31NFIkc2vcUW04-sKcs8iPHkBd13opzchAkk_aem_AbnQOxQcr1ik8qO5sQLOpg

    Thanks for sharing that PNS!

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