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About this blog

A few massive snowstorms have gained the respectability that every storm wants to gain.  The last few blizzards to strike the SNE region have not lived up to their predecessors.  The Blizzard of 2005 and 2015 are two storms that come to mind that blow everyone away when it comes to wind gusts and snowfall amounts in Harwich, MA.  When it comes to intensity of snowfall the Blizzard of 2005 is second to none, while the duration of the storm the blizzard of 2015 wins out.  Also wind gusts 2005 wins out over 2015 as Nantucket lost power as an 86mph wind gust hit the island, while Nantucket didn't lose power to the island in the 2015 storm where a 78mph gust ended up hitting the island.  As for snowfall amounts as I said earlier, the Blizzard of 2005 beat out the Blizzard of 2015 by two inches, 35" to 33" respectively. 

Entries in this blog

An Early Season Winter Storm, too early to say!

Today, this morning in New England, Monday is a rather slow, unwelcoming day.  Most New England Patriots fans are waking to an early sun rise, with the knowledge that their New England Patriots took a big loss on the chin from the Baltimore Ravens before their week 10 bye.  With the knowledge that there are weaknesses on the team's defense and offense, we pay attention to the weather scene the next two weeks before another game is played against the Philadelphia Eagles.  I awake this Monday morn
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A single Band of Ocean Effect Snows has developed

An ocean effect snow band has developed since 2 pm this afternoon, while staying offshore for most of the afternoon, this evening the band is producing moderate to heavy snow in squalls and perhaps some thundersnows are possible, the band is developing through surface convergence developing as winds are from the northeast to the right and north to the west of the band, this acts as a convergent band allowing lift and perhaps heavy snows developing over the Outer Cape Cod region with DBZs reachin
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A New England Thanksgiving Snowstorm?

Cape Cod has not had a real snowstorm on Thanksgiving since my birth year, 28 years ago on Thanksgiving.  I was supposed to be baptized in the Roman Catholic Church a few months after my birth, which happened to be Thanksgiving week.  However, we had a great snowstorm that dumped almost a foot and a half of snow.  My parents have pictures they showed us growing up.  I have always wanted a white Thanksgiving and Christmas in the same year, wouldn't that be fascinating if this was the year?  Troub
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A 24-hour Ocean Effect Snow chance

Snow flurries or snow showers have a 20% chance of occurring over HYA eastward on the Cape.  Winds are currently northwesterly but will become northerly later today into tomorrow night as an ocean storm changes the wind field.
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50s for the first day this year! - SNE Weather Update!

50 degree temperatures for the first time on the Cape this winter season, were in the calendar/met Spring season which started on March 1st, but official spring begins on March 20th.  Today, Tuesday, March 9th, 2021 is the first time I recall Chatham, MA reaching 50F+ temperatures, and there was no nipping wind.  The winds are light out of the southwest, I do not feel fog will be an issue tonight as temps drop off as is during the Spring months.  Again, winter could spread its wings for a short
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500mb pattern says it all

Models are still too progressive with the arctic shortwave moving through Canada and Great Lakes region it is digging southward, not southeastward.  This will bode well for potential snowfall for Cape Cod on Wednesday.  If this shortwave can produce its own surface low, it will enhance the low-level flow over Gulf of Maine and Cape Cod, producing an inverted trough that can produce rapidly deteriorating conditions in a matter of minutes.  This inverted trough could produce up to 3-6" or more dep
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3z SREFs mean remains bullish for Snow on Cape Cod

3z SREFs has a mean snowfall of 6.45" over HYA from tomorrow evening through Monday evening.  Some members are over 20" of snow and half are about 12"+, so there is a lot of spread in the means, and plus while the 00z EURO didn't show much precipitation over Cape and Islands, the model did up the ante with the upper level low and the surface low strengthening.  Also, the HRRR 6z run shows a lot of lightning developing with the surface low as it reaches the coastline, this could impact the surfac
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3 Snowstorms in 10 days!

Upper-level jet stream dives southward from Southern Canada into the northern tier of the CONUS.  Both jet streams potentially combine to produce a heavy QPF producing storm system with all types of precipitation.  Jet stream favors a -AO/+PNA/-NAO pattern which remains extremely favorable for winter storms to impact the Northeastern US.  Stay tuned, the next ten days could feature a very impactful set of three storms.
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2 or 3 Storms possible next week 25th through 31st

As of the 12z and 18z runs this morning and this afternoon suggest that we have three storm potentials this holiday week coming up.  With the NAO in flux, the PNA positive and the AO in flux, this is the best time to get snowstorms across the Northeastern US.  With the AO going negative long term and the PNA staying above neutral, we have a chance at transient ridges and shortwave amplification potential.  The first system is for Christmas Day, where an inverted trough/norlun trough bring accumu
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18z NAM run, brings hope to a rather dry period

Latest 18z NAM brings hope to snow weenies across SE New England for next week.  In the TUE/WED time frame an explosive disturbance is running through the northern stream flow and amplifies right on the coastline, now if trends continue to a more amped up disturbance, we could see a much higher impactful storm develop near the benchmark, stay tuned!
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12z GFS brings intrigue for New England Snow Lovers

Latest 12z GFS digs our northern stream shortwave even further southward now and develops a coastal storm just too far out to sea currently to bring substantial snows to Cape Cod.  But trends could continue towards favoring an actual closer to the coastline coastal low that could impact our area with snows.  Considering our northern stream is digging more than predicted today, this can bode well for later on mid-week period.  We need to watch the trends for today to see what the next week brings
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12z EURO December 5th forecast analysis H5 pattern

These five images are the four most reliable guidance models we have in determining a snowstorm its track, intensity and future impacts to New England.  What they all agree on is the overall setup and teleconnections featured on December 5th, 2018 their forecast in the next 7 days.  The models show a classic El Nino pattern, with a sub-tropical jet cutoff low approaching or over the Baja, CA region, with a large +PNA ridging into Alaska and the NW Canada Territories.  The GFS is the furthest nor
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00z Model Suite beginning to trend towards an impact storm on Wednesday night

Could there be impacts from a nor'easter on Cape Cod on Wednesday night into Thursday?  If there will be, it might be shortlived as snow impacts will be light if it occurs.  Judging by the model trends tonight, I am growing more confident of an impact, even though less than an inch would be possible unless something large changes like the storm is at the benchmark.  H5 has been trending towards a more amped up through the present with an Arctic jet shortwave on the backside of the longwave troug
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*Winter Storm Alert*

12z and 18z models beginning to indicate a secondary shortwave riding up the coastline forming a coastal storm on the frontal boundary and could become quite potent -winter storm threat is increasing as models gain confidence in what disturbance will do what on Sunday through Tuesday -Snow threat remains high, models increasing precipitation into the region as a frontal boundary plows offshore and the coastal low develops into a powerful nor'easter -as Nor'easter develops a potent
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**Winter Storm Alert** Two Storm threats increasing, Friday and again on Monday

Snow threats along with a wind threat exists on Monday while a snow threat exists on Friday.  Increasing model support for a 3-6/4-8" event like the one on Tuesday for Friday and a bigger event 6-12"+ on Monday into Tuesday of next week Monday.  Stay tuned to the forecasts as they will be increasingly likely for a significant event on Monday and a solid event on Friday.  Trough in the east and ridge in the west pattern will continue throughout February
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**Winter Storm Alert** Southeastern New England Snowstorm Map

Rain will start off our Sunday morning and will either stop entirely on Sunday night and then start as Snowfall on Monday afternoon.  It will fall heavily for a few hours as there is decent lift in the Dendrite Snow Growth zone over the Cape and Islands, if the west trend continues into the 12z runs tomorrow afternoon hours then we could see more than 8" on the Outer Cape and Nantucket.  This is my final snow map as this is the most likely amounts.
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**Winter Storm Alert** final map

This is my final map for this snowstorm.  Not as widespread with the snowfall amounts, 12:1 ratios make sense as it will get colder throughout the storm.  Ocean enhancement/effect snows will add to the amounts over mid and outer Cape Cod.  Not buying latest NAM run as the hires NAM shows significant accumulations for the south shore, Cape and Islands.  Winds might be a problem with the fluffy snowfall.  Blizzard like conditions will hamper travel tomorrow night into the morning hours on Tuesday.
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**Significant Winte Storm Likely for SNE**

A significant snowstorm is likely for Southern New England on Sunday.  Snowfall amounts near 6-10" is likely from NE PA to Boston, MA, on the immediate coastline temps will be closer to freezing so snowfall will be wetter consistency and therefore lesser amounts than slightly inland where I have 6-8" from west of 128 to NYC and Long Island, NY.  Snowfall map below:
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**Alert - Alert - Alert** (Hurricane Dorian update)

Yes, unfortunately, Dorian is now a hurricane.  Models showing a potentially catastrophic hurricane heading towards the south-central east coast of Florida landfall in the next 4 to 5 days.  Stay tuned as the models show an extremely dangerous hurricane making the approach to the Space Coast of Florida.
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