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Major Winter Storm 2/6-2/7 OBS


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00Z Euro looks a bit deeper than 12Z run, for the 18Z Friday timeframe... slp position is about same, about over White Plains NY but 00Z has 972 mb vs 977 mg at 12Z. The 12Z slp might be a touch left of 00Z but that may be noise.  Curiously, looks like qpf for CNY down a few tenths on 00Z. Not sure if it's due to intense banding signature over ENY.  It looks really epic for Plattsburgh.  Still looks good overall.

prateptype_cat_ecmwf.conus.png

sn10_024h.conus.png

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3k Nam for Friday, still going big..

Kbuf

Because of the considerable spread in model guidance, the forecast
uses a consensus approach. Forecast confidence is below average
given the timeframe. For example, the NAM has considerably more QPF
than most other guidance, and the GFS is considerably warmer than
most other guidance. In each case, these solutions are plausible but
the most likely outcome is somewhere in between

snku_024h.us_ne (32).png

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2 minutes ago, wolfie09 said:

3k Nam for Friday, still going big..

Kbuf


Because of the considerable spread in model guidance, the forecast
uses a consensus approach. Forecast confidence is below average
given the timeframe. For example, the NAM has considerably more QPF
than most other guidance, and the GFS is considerably warmer than
most other guidance. In each case, these solutions are plausible but
the most likely outcome is somewhere in between

snku_024h.us_ne (32).png

I take.

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Around 1" of sleet and freezing rain overnight here in the northern Catskills.  Must have started as freezing rain with the coating on my car, then changed to sleet at some point.  Pretty nasty drive to work at 5:30.  

 

Out of the game here for anything meaningful but hoping the Tug to Old Forge area get a nice storm.

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KBGM is still calling for heavy snow tomorrow:

Things turn for the worse tonight onward as a strong and
further deepening low pressure moves up the Appalachians, and
then right across our region Friday morning. This will be in
concert with a strong upper wave and very good double-jet
support (right entrance region of one, left exit of the other)
providing forced ascent. Frontogenesis axis at the mid levels
appears to set up right over the Finger Lakes through NY
Thruway, with dynamic cooling changing rain to heavy snow late
tonight-early Friday. The axis may pivot into the Twin Tiers for
a time early-to-mid Friday before precipitation begins to take
on a more showery nature, and lake-enhanced for that matter
southeast of Lake Ontario late Friday into Friday night. Within
the frontogenetical band, 1-2 inch per hour snowfall rates
appear achievable. Though the Winter Storm Watch counties - much
of Central NY - is where confidence is higher for heavy
snowfall totals, it should be noted that even to the south in
the Twin Tiers, snowfall rates could be heavy at times Friday
morning to midday even if overall totals are not as much as
points north. Also, for most the area, some freezing rain and
sleet could occur during the rain-to-snow transition late
tonight into Friday.

Models are in good agreement that this low will be rapidly
deepening - right into the 970s mb range - while heading
through and then out of the area later Friday. Concern is
growing that just after the new layer of moisture-laden snow and
some ice collects on trees, northwesterly wind gusts of 30-40
mph Friday afternoon-evening could cause some tree damage and
thus scattered power outages. Due to this, as well as continued
lake-enhanced snow southeast of Lake Ontario persisting for
awhile, the Winter Storm Watch was extended through Friday
evening.

 

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20 minutes ago, wolfie09 said:

Well according to the NWS this is barely an advisory Snowfall east of Ontario, mostly 2"-4" in P&C forecast, maybe a 3"-5" if you're lucky..

Not sure what they're looking at. Noone uses the GFS for anything but wiping their ass.  Of course NWS and PWSP's will change their forecasts so many times that verification becomes impossible.

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