
SnowGoose69
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Everything posted by SnowGoose69
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
11.3 I think. I doubt they got that but they would only need a small amount before the end of the month now to do it- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
Honestly if the dry punch didn’t come 2 hours early would have probably had 2-4 inches more- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
6.5 at NYC that’s more than all of last winter. Definitely seems low as usual off a LE of .87- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
They had 2.6 off .28 liquid at the time- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
I’ve been told Upton in the case of a ptype change usually has them measure out of time to ensure the correct measurement. We’ve seen cases however where they don’t do it or they get it badly wrong- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
When I went only 5-9 in my forecast it was because of mixing, not because of a dry slot 3-4 hours early. Might be right for wrong reason- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
Evidently not lol. The daily record is actually from like 1896 or something and is 7.0...their official site shows it wrong but the daily climo report showed the record of 7 at 440pm- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
They measured 2.6 on .28 at 7pm so yeah with that .15 the next hour they’re likely at 4 or so now- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
The 3KM NAM had them changing over a good 2 hours ago but they went over closer to RGEM forecast. I was surprised how high the forecast totals were there- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
NYC had .17 liquid this past hour- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
.11 liquid already. Looks like its been about 1 inch- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
.14 liquid at PHL so probably about 1.5 last hour- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
Like BOS PHL does not measure snow at the airport so we won't get hourly increments there. Might have gotten 2-3 this hour- 1,011 replies
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
As of 21Z the 12Z HDRPS is most accurate in MD with transition. HRRR is improving but still lags. 3km NAM barring an insane jump next hour will bust severely on its 22Z position of the change in PA- 1,011 replies
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This delay from south to north shore is like the PDII storm where JFK snowed for 3-4 hours before LGA, albeit not as extreme
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3km NAM continues to show a potentially bogus solution changing EWR/JFK to sleet at 01z. All the way to LGA and White Plains by 02Z then it miraculously falls back below Staten Island again. both of those won't happen. Either it changes at 01Z and never goes back or it doesnt change til 05-06
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Always happens. These events the area north of a TTN-Sandy Hook line sees lighter echoes to start til the layers saturate.
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I've heard of that maybe 2 times before in a synoptic snow storm. Usually 4-5 is about the most you can get
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FZRAPL at BWI. HRDPS/RGEM/3km NAM all about right. extrapolating the NAM was 30 mins too fast. the HRRR has no clue
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As of 19Z 3km NAM continues to be a tad fast and HRRR way too slow with change. BWI should be going SNPL though by 1930Z so about 30-40 minutes behind the 3km NAM
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Could be snowing in LGA/JFK by 1945-2000z but we have to see how the shield evolves as it gets north of Sandy Hook where there is always more dry air in the mid levels from the NE flow off land vs C-S NJ
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As of 130 the 3km NAM is too fast with the changeover line in MD and the HRRR is way too slow.
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December 16-17, 2020 Storm Observations and Nowcast
SnowGoose69 replied to wdrag's topic in New York City Metro
Its snowing/raining everywhere on observations now from near TTN south. TTN should be snowing within a few minutes- 1,011 replies
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Watch this radar next 2 hours...that line should make it in PA north of BWI if the 3km NAM is right. https://weather.cod.edu/satrad/nexrad/?parms=DOX-N0C-1-24-100-usa-rad
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