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Found 29 results

  1. 515A/19: Intermittent event continues and precip intensification gradually changes freezing rain/freezing drizzle sleet near I95 eastward to snow. Ending time still the same, this afternoon sometime ne PA/nw NJ/se NYS and the remainder sometime this evening-early tonight. Between 7AM-ending time, I expect a general base 1/2" new throughout the forum after 7am with possibly as much as 3" , the heaviest seeming to be near NYC into CT per a decent band developing this morning-midday, and possibly a nice hour of closing snow this evening. Easy melting process on pavement expected during the midday-afternoon hours where temps above 25F and when snow lessens it's intensity. Manageable but fun for us. 450AM/18: overall no change in expectations. Might get started an hour or so slower but already flurries or steady light snow have occurred se NYS, ne PA, CT, far nw NJ. See latest NWS products and your own judgement. 548AM added the 4AM NWS regional snowfall expectation that went into their early morning products. An overall manageable 24-36 hour wintry precipitation episode will probably see snow change to a mixed bag in NJ/LI, with even a bit of rain possible for a time eastern LI and the NJ coast. Snow should begin in seNYS/NJ/NYC between 2AM and 7AM Thursday and by 9AM elsewhere. It should snow moderately for a time sometime between 9AM and 4PM Thursday before probably transitioning to mixed precipitation or even quitting for a time in NJ/LI toward Thursday evening. Precipitation may intensify again as it probably changes back to snow everywhere on Friday and then gradually ends from west to east during the afternoon, or early Friday night. Graphics are the 21z/17 NWS ensemble 48 hour prob for 8"+ of snow, 4"+, the 12z/17 SPC HREF snowfall ending 00z/19 = 7PM Thursday, the 5PM/17 actual NWS regional deterministic (approximate) snowfall forecast and the 21z/17 WPC ensemble prob of .01" freezing rain. Thursday afternoon into Friday morning. Please contribute as needed.
  2. Here we go again. Winter storm watches up for some areas already. RAH starting to sound the alarm on this morning’s discussion. Hoping those who got hit last weekend somehow avoid another major ice event but the modeling is painting an icy picture at this point
  3. 610A updated thread....my last topic update and all my other posts will be in the observed below. Adding several graphics from the 4AM NWS forecast process inclusive of the ICE STORM WARNING coverage area (purple), the HPC HREF ensemble 1/2" of glaze expectation by 7A Tuesday (blue), WPC ensemble probs of .10 glaze (orange) by 7A Tuesday and the much lower prob of 1/2" glaze. I would expect power outages in the NWS warning area and SPC HREF Blue coverage area. IF these amounts work out- I think it will be big. Modeling doesn't necessarily guarantee freezing longer than 4AM Tuesday, so if it's not, then the rain is non freezing its heaviest 3 hour period. Still the ground is cold so I'd plan on a bad night, and in fact a bad day today in the I84 corridor on all untreated surfaces. Regarding info near NYC... just be careful. Untreated's slippery near NYC-LI today-this evening, should ease sometime tonight. Looking at 06z/15 NAM FOUS...if that surface wind stays ne in NYC through tonight as the sfc low transits coastal NJ, the guidance will be too warm at the surface. This needs careful monitoring. My guess, via the 06z/15 guidance, there may be an underplaying of extensive ice damage, especially just west of the 4AM warning. Just a degree or two makes a huge difference. I'm not expert enough to know for sure. So for me here in Wantage NJ, if its still 31-32F at 4A Tuesday, we've got pretty big problems in far nw NJ/se NYS/nePA. We will see how the probs work. Prep worst and hope for the best. While a bit of snow is possible Monday along the northern edge of the subforum, most of this event should be freezing rain or rain with heaviest amounts Monday night. Sleet may occur as well for a time Monday. If freezing rain lasts long enough in the warning area of the forum, and accretes thick enough, tree damage and power outages would occur. Spotty poor drainage street flooding is possible in NJ, LI. 21z/14 NWS ensemble high probs for freezing rain and low probs for 1/2" glaze are posted.
  4. A seemingly - relatively boring advisory light mixed wintry elements event seems to start as snow or sleet near I-195 in central NJ this morning and spreads north to the I78 corridor and LI by mid or late afternoon, eventually changing to a bit of freezing rain tonight. It ends sometime Sunday, probably midday ish. Have ended the topic time as Noon Sunday, since thereafter, temps probably close to or just above freezing with any remaining icing negligible for the remaining daylight hours. The region north of I80 in ne PA/nw NJ/extreme se NYS and s CT should see a period or two of light snow/sleet this evening into Sunday morning but the precip is so light that dry air may evaporate precip with nothing reaching the ground near I-84 in the northern part of our subforum. Uncertainty on precip types and even amounts, but thinking a few tenths of an inch of sleet here and there and certainly slippery at times all untreated surfaces this Saturday evening, Noting any spotty icing near dawn on the 15th as sporadically modeled near NYC is not covered in this thread. Advisories are posted for LI and much of NJ. Please follow NWS advisories and statements on this light prelim event for what appears to be daily bouts of wintry elements in portions of the forum the 15th, 16th, 18th and maybe early 19th. Leaving this last sentence as a place holder for updating the other the other threads by 930AM and deleting at that time once those are updated. Added WPC probabilistic ensemble graphics for today and tomorrow to assist with confidence but are necessarily imperfect due to the proximity of the ocean.
  5. 528A update: OKX snow forecast remains the same this morning. Small chance NYC record 1/2" of snow...southern part of LI should have less snow than than the north. Otherwise forecast looks fairly close from yesterday. Not sure if nw NJ can exceed 3"? I think best chance spotty max 5-6" is I84 or northward, high terrain Catskills to northern CT high terrain. Take whatever we can get. Hope NYC can muster some measurable snow early this morning around sunrise or shortly after. Snow begins 2A-5A west of the Hudson River to the Poconos and Catskills; then thereafter across CT by 730AM. NYC snow at daybreak may accumulate 1/2-1" before quitting and/or changing to rain midday then may end briefly as snow toward sunset. The snow over nw NJ through se NYS and CT may accumulate as much as 6 inches in a few high terrain spots but most of the snow fall should be in the range of 3-5" there. South of I-78 in NJ, to I-I95 a period of snow tomorrow morning may change to freezing rain or rain before tapering off in the afternoon with Trace to 2" accumulations. Untreated roads along and south of I-80 and LI may be briefly slushy in the morning before melting begins. Hilly area untreated secondary roads to the nw to n and ne of NYC will be a bit slippery at times. Snow, especially during the morning commute could result in some accidents and travel delays, especially hill towns. There might be a few school districts in the hilly areas with in-person classes that may close at the last minute, especially se NYS and far nw NJ. Graphics are the OKX snow forecast and the chance of greater than 1" as issued at 330PM.
  6. A challenging period of travel is possible Friday morning across northwest NJ, northeast PA and se NYS; possibly into the CT portion of our forum as multiple bands of precip sweep eastward across the region. Amounts will be light but where possibly freezing rain or sleet, untreated surfaces could be quite slippery. Additionally there will be a tendency for any rain/freezing rain to briefly change to steady snow even to just west and north of NYC with little or no accumulation there, while high terrain in nw NJ/ne PA/se NYS and w CT are modeled to pick up 1/2-2" before melting begins ~ 11 AM or Noon. mPing. This thread will help concentrate interest Friday mornings system while the other threads occupy the Sunday event and beyond.
  7. mPing should be interesting. The advisory for a mix of wintry elements will probably start with a burst of decent snowfall rates between sunrise and 2PM before a probable change to rain, freezing rain or sleet on LI and I80 southward during the afternoon and possibly back to ice or snow early Wednesday. The i84 corridor should be mostly snow, if not all snow. The region southeast of I95 in NJ after starting as snow or sleet should transition to plain rain by Tuesday night but it might be marginal for icing in Monmouth-Middlesex counties near the colder air sitting astride I80-LI. This I believe is the first expected widespread winter weather advisory event dating back to at least January 3. There's a small chance for a period of flurries along I195 to maybe near I78 in NJ between midnight and 4am but the main event in the NYC forum begins during the daylight hours Tuesday.
  8. Stormfly

    Ice Storms

    We don't get them of significant intensity in our area (thank goodness!) but it's possible and has happened. The 1998 storm that hit Canada is probably the worst in somewhat recent times. I remember seeing pictures and videos on the news. I also worked with families that were in the middle of this and it was a life threatening and changing event they will never forget. RE: So naturally when talk of significant icing (> .25") comes up, I always think of those storms. Especially at night, the flashes, the humming, cracking branches, et al. This is probably the closest to what we experienced on Feb 04, 2014 here: And amazingly, our power never went completely out for significant time during that event! Lots of booms, humming, flashing. A friend of mine was out for 12 days due to that and it took 1 1/2 days to clear out the trees on his lane so he could get out! Anyone here have stories to share? Please do!
  9. A routine wintry ice event, that will create some travel problems in high terrain above 1000 feet late today and early tonight, primarily along the I84 corridor.
  10. This topic for Friday-Sunday dual event is posted with much lower issuing confidence than the topics of 11/11-15, and 11/30-12/01. There may be several verifiable flood (not flash flood) warnings for rivers-small stream in northern NJ-northwest of I95 by Sunday morning from a widespread 1-2" rainfall, isolated 3" possible. There is a small chance for 45+ MPH gusts. It appears the best chance of verifiable hazards will be along the I84 higher terrain where ice or snow can occur. The ice or snow amounts 3-4 days in the future cannot be counted on to be more than 1 tenth inch glaze or more than 3" of snow, though the option exists for heavier snowfall north of I84. Lead precipitation Friday afternoon and night is associated with a reinforcing cold front. Rain NYC. However the I84 corridor may see some wet snow Friday night? mPING. Saturday: Chilly rain most of the NYC forum, heavy at times with 1-2" general, isolated 3". I84-best chance that there could be some ice Saturday before cooling thicknesses and the rapidly developing low change precipitation to some snow before it ends Saturday night or Sunday morning. mPING may be quite helpful. Winds: Depends how fast the storm develops. If a 998MB low is south of Islip Saturday-then brief northeasterly gusts 40-50 MPH Saturday would be possible on LI and the NJ coast, otherwise I think there may be a better chance of northwest wind gusts 45-50 MPH Saturday night or Sunday morning as the storm moves rapidly past Boston. After further review, I don't think tidal flooding will be a significant threat Saturday. Starter graphics: 6 hr FFG..shows the vulnerable areas. Once yesterdays wave off rising river waters passes Wednesday night, I'll add some small stream guidance-if it applies. Added the 12z/1 GEFS prob of 1". Yellow is up around 75-80% chance. The 12z/1 EPS also has 1-1.5" as does the 12z/1 NAEFS. Final starter graphic is a 52 member NAEFS blend of where the sfc low will be and it's intensity Saturday evening. You'll note the yellow color northeast of the center... that implies greater variability of the pressures there..and could mean that the surface low will be further northeast by Saturday evening. Good luck with this... I hope this topic will produce some verifiable NWS hazards. 521P/1
  11. Good Monday morning everyone, Have offered to focus the general discussion thread on next weekends storm into one single thread. It's been a terrible winter so far s of I80 and not much to boast about north of I80. I'm adding graphics daily at about this time, until the threat fails to materialize. No guarantees on anything. It does not look good for NYC south, so far. Contributions are from the NWS public domain and the Weather.US and the ECMWF. We'll see how this verifies for long range value. The first two graphics are the NWS ensemble chance of greater than .25" water equivalent of frozen precipitation. These are run off of late day ensembles and post, "prior" to the 00z cycle ensembles. The two graphics courtesy of the ECMWF are the chances of 3+" of snow for this event which are increasing a bit in the I84 area and are from the 00z ensembles. No LOCK on any of this coming to pass though I'm pretty confident the interior west and north of NYC will have some sort of winter hazards this weekend. Depends I think, in part on how strong the northern stream short wave is that crosses the Great Lakes. The stronger it is, then I think the storm tracks further north. At 633AM the 14th, I added the 00z/14 NWS ensemble and EPS chance of 3+ inches of snow so that it's easy to go back and compare to reality. The risk has increased a bit for the NWS ensemble system to something similar to the EPS. Certainly no lock for 3+ inches s of I-84. At 457PM/19 added the NOHRSC snowfall analysis. Gives a feel for value in the ensembles. Later, Walt
  12. Hi, This thread is for obs only, keeping it a swift read-check for anyone wanting to see how much has fallen, including any NWS/Media. Also, attached is a final NOHRSC snowfall analysis for our Dec 11 event, which now properly reflects the NYC reality of sub 1 inch. Thank you very much to all who have added data to the prior obs threads. Walt
  13. Hi! Would like to see an obs only page for this storm to make it easier to find the data, not only for myself but potentially the media with avid winter weather interest quite high. I'll add only 1 EXPERIMENTAL graphic from about 5AM this morning (Saturday 30th before the storm), but may eventually add pix to support observations as this complex event evolves in its banded - varying intensity form. The graphic below i think is realistic about axis of trouble and I can explain it a bit on the Dec 1-3 discussion page if requested, for those who've not seen this experimental product. Other NWS staff may improve on my interpretation. The legend should assist.
  14. Good morning American Weather participants, It might be nice to consolidate wintry precip reports for whatever this minor event delivers today, under one topic. While flurries have occurred in parts of the metro area (nw NJ for sure) on the 8th, today's short period of flurries or snow should be a little more widespread though confidence on where anyone sees a slight accumulation (especially grass-cars-rooftops) is less than ideal.
  15. Good Friday morning, not much snow or sleet expected today but prolonged icing on trees/wires and untreated pavements foreseen for elevations above 1000 feet this afternoon-evening, especially Sussex County NJ into se NYS. Another marginal event but its definitely going to be cold. Here in Wantage NJ at 740'MSL at 720AM its still 32F with a very low dew point. It's been snowing a bit in Hazleton and Lehighton PA and now icing in Williamsport.
  16. Snow or sleet should begin ~2A-3A nw NJ and develop east northeastward with better chances for a start as snow when you get to the Hudson River and points east into Connecticut. The southern edge of any very brief slight sleet (or even wet snow) accumulation should be near Interstate 80 prior to sunrise EDT. Significant icing is possible over the high terrain above 1000 feet from nw NJ into se NYS and western CT before temps at even the highest elevations of NJ/SE NYS exceed 32F around Noon Sunday. Best chance for any small snow accum appears to be the very northern fringe of this NYC forum area. Hope we can get some reports of wintry accums of some sort.
  17. Here is our 2019 February winter thread. I hope February is a month to remember for all of us across the forum in regards to wintry weather. We have a lot of moving pieces directing our February outlook so here’s to hoping we can start to get more clarity as we go forward. MJO is moving through phase 5 but it should be in phase 6 within the next few days so hopefully that translates well for us going forward.
  18. I in Wantage may not be able to post til ~230P. Have at it. Another mess. Posting some graphics by 7A, on the 20-21 Threat thread, to look back tomorrow and see performance.
  19. Hi! Looks like a nice little event coming tonight into Monday, with some banding, especially se NYS-CT where all snow likely.
  20. If the moderators feel the current thread on discussing the threat is sufficient then just discard this. I'll probably have something to start this around 5A or 6A/12.
  21. II would like to try to collect a few reports in one focused thread, of any ice hazards, and possible radial thickness on branches, (difficult to check at night). SPC HREF has elevation icing forecast. South of I-84, it tends to be a degree or so cold but n of I-84 the HREF tends to be very very good. Again, most of us may not have anything, and even here at 740'MSL in nw NJ, i could miss, but not far north of me..I expect elevation problems tonight. I'll clean up this opening note if reports start flowing. Thanks.
  22. Would like to keep this an observations only thread of what will be an interesting 18 hour winter storm 5P today-2P Sunday, with potentially high impact (damaging power outage) glaze from somewhere near or just n of I-80 in nw NJ/ne PA northward to I-84, after a front end snow/sleet combo prior to midnight.
  23. Observations (measured) of freezing rain, sleet and snow for the Sunday December 16 event. May help NWS and media alike. Thanks, Walt
  24. Rain, sleet, snow, thunderstorms, regional climate, jet stream, La Niña, El Niño, polar vortex, ice pack, ETC. anything that can have an affect on the two seasons in question is up for analysis and debate. Our forum is one of the best at informing and teaching people as well as conversing with friends. Let’s try to keep that going with this thread, and don’t forget a lot of people come to our threads just to learn. As we have some very talented professional and novice Mets on our board. Let the speculation begin!
  25. Since we've have had our first freeze of the season, I figured I would start a winter banter thread. Take anything you see and read in this thread with a giant grain of salt. Let it snow, Let it snow, Let it snow.