donsutherland1
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Everything posted by donsutherland1
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LaGuardia's final snowfall was 2.3".
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New York City's record 701-day streak without 1" daily snowfall ended today. Its record 717-day streak without 2" or more daily snowfall continued. A fresh shot of cold air will overspread the region following the storm responsible for New York City's and Philadelphia's biggest snowfall so far this winter. The low temperature could fall into the teens for the first time this season. Another storm could impact the region Friday or Saturday. However, uncertainty about the storm's track and impact has increased. The low temperature could fall into the teens in New York City during the weekend, which will likely see this winter's coldest readings so far. Beyond that, a noticeable warming trend that could send temperatures well into the 40s across the region and even into the 50s in parts of the region will likely commence. This warm period will very likely assure that January will wind up as a warmer than normal month and Winter 2023-24 will become yet another warmer than normal winter in the New York City and Philadelphia areas. The ENSO Region 1+2 anomaly was +0.9°C and the Region 3.4 anomaly was +1.9°C for the week centered around January 10. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +1.18°C and the ENSO Region 3.4 anomaly has averaged +1.95°C. A basinwide El Niño event is ongoing. The ongoing El Niño event has recently peaked. The SOI was +31.61 today. The preliminary Arctic Oscillation (AO) was -2.670 today. Strong blocking in the final week of November, as occurred this year, has often been followed by frequent blocking in December and January. On January 14 the MJO was in Phase 4 at an amplitude of 1.828 (RMM). The January 13-adjusted amplitude was 1.515 (RMM). Based on sensitivity analysis applied to the latest guidance, there is an implied 76% probability that New York City will have a warmer than normal January (1991-2020 normal). January will likely finish with a mean temperature near 35.3° (1.6° above normal).
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Midwest Regional Climate Center has hourly data.
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That's currently the latest report.
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Providence traffic cameras for those who are interested: https://www.dot.ri.gov/travel/cameras_metro.php
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Quite a few locations on the Island picked up 2"-3" of snow. That was probably a nice positive surprise. Hopefully, the rain will end as snow.
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That's actually 716 days. It will likely reach 717 days today, as I doubt we'll reach 2" daily snowfall today. It will be a close call, though.
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New York City (Central Park) has received 1.4" of snow through 7 am, including 1.0" today. That ends the City's record 701-day stretch without an inch of daily snowfall.
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January 15-16 winter storm OBS
donsutherland1 replied to Hurricane Agnes's topic in Philadelphia Region
Philadelphia's record 715-day streak with less than 1" daily snowfall has ended.
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Philadelphia and New York City will see their streaks end. It will be close in Atlantic City, which would set a new record of 716 days if it fails to measure 1" today.
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Select snowfall amounts from the Washington-Baltimore Area: Baltimore: 1.4" Sterling (Dulles Airport): 1.8" Washington, DC: 1.8"
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Periods of snow brought light accumulations to the Washington, DC area today. Light snow and flurries have also been falling in the Philadelphia and Wilmington, DE areas. Dulles Airport saw its record 673-day streak without an inch of daily snowfall come to an end. A similar fate awaits record-breaking streaks in Baltimore, New York City, Philadelphia, and likely Atlantic City. The storm bringing periods of snow to the Middle Atlantic region will likely bring a general 1"-3" snowfall to New York City and Boston tonight into early Wednesday. Philadelphia and areas north and west of New York City and Newark could see 2"-4" of snow with some locally higher amounts. In addition, the snow could change to some light rain or freezing rain, especially in areas from New York City south and east. A fresh shot of cold air will overspread the region following the storm. A stronger shot of cold will arrive late in the week or during the weekend following another storm. The low temperature could fall into the teens in New York City during the middle of the week for the first time this season and should fall into the teens during the weekend, which will likely see this winter's coldest readings so far. Beyond that, a noticeable warming trend that could send temperatures well into the 40s across the region and even into the 50s in parts of the region will likely commence. This warm period will very likely assure that January winds up as a warmer than normal month and Winter 2023-24 winds up as a warmer than normal winter in the New York City and Philadelphia areas. The ENSO Region 1+2 anomaly was +0.9°C and the Region 3.4 anomaly was +1.9°C for the week centered around January 10. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +1.18°C and the ENSO Region 3.4 anomaly has averaged +1.95°C. A basinwide El Niño event is ongoing. The ongoing El Niño event has recently peaked. The SOI was +33.74 today. That is the highest SOI figure since April 8, 2023 when the SOI reached +33.74. The preliminary Arctic Oscillation (AO) was -2.459 today. Strong blocking in the final week of November, as occurred this year, has often been followed by frequent blocking in December and January. On January 13 the MJO was in Phase 4 at an amplitude of 1.515 (RMM). The January 12-adjusted amplitude was 1.365 (RMM). Based on sensitivity analysis applied to the latest guidance, there is an implied 72% probability that New York City will have a warmer than normal January (1991-2020 normal). January will likely finish with a mean temperature near 35.1° (1.4° above normal).
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Early snowfall amounts from the Mid-Atlantic Region: Baltimore: 0.5" Sterling, VA: 0.9" Washington, DC: 0.7" The highest figure so far is 2.8" at Bayard, WV. Light snow and flurries were continuing to fall in Philadelphia and Wilmington, DE. Reading had seen its first flurries. Richmond had flipped to a period of moderate snow prior to the changeover to light rain, which has now occurred.
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Jan 15-16 Storm Thread 3: Obs and Disco
donsutherland1 replied to stormtracker's topic in Mid Atlantic
Richmond (the Airport) has flipped to light snow. -
For those looking beyond the warmup following next weekend's cold shot, here's how February looked for ENSO cases where the tri-monthly ENSO Region 3.4 anomaly reached +1.5°C or above: Those are mean temperatures and there was substantial variability year-to-year. The key insight is that there should be a return of colder weather for at least a time.
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I’m thinking around 6”, but ratios should be high and the snow fluffy. Maybe the highest elevations will see 8”.
