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March 26th Snowstorm - continued discussion and observations


wxsniss

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Hi everyone! I'm still in Chatham and thought I'd share a few pics. Since I spent the brunt of the storm filming it, I don't have any from the peak conditions. That said, winds were still gusting in the 65-70 mph range when I took some of the photos attached to this post. At the height of the storm, we had hurricane-force wind gusts and legitimate blizzard conditions. Even now, we are still dealing with blowing snow from wind gusts exceeding 50 mph. Well, I'm going to finally crash after driving up here from Wilmington, NC. Have a great night, everyone! :)

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Man we are getting significant blowing snow right now to the point that roads adjacent to fields could use a plowing in spots. Winds have to be mixing down with 40mph gusts. Upper mountain is gusting 50-60mph right now. MVL obs rather lackluster though.

I'm impressed with the wind all the way over here, can't imagine what it's like along the coast.

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One thing NO one has mentioned tonight is Wind Chills. I love cold and and can endure it as good as anyone and this winter was the Coldest of my life that I can remember.

BUT TONIGHT IS THE COLDEST NIGHT I CAN EVER REMEMBER IN MY LIFE!!!!!!!! Holy BalllllZZ!!

What's the Wind Chill Factor in PVD???? I thought I was going to die walking to the car.

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Trying to put this storm into perspective with others, mostly in terms of pressure and wind. This storm had a decent size area of 70-80mph sustained winds on the west side. Gusts to 82-83mph in Nantucket, gusts at least 107mph in Nova Scotia, and a possible 118mph gust off the coast of ME. Pressure of 956mb? Maybe 954mb not sure.

Perfect Storm of '91 had peak winds of 75mph(not sure where that was measured) and pressure of 972mb.  

Blizzard of Feb '13 pressure 968, 102mph gusts on Nova Scotia, 84 in Mass, but that storm was a lot closer to the NE coast than this storm.

Blizzard of '78 had sustained to 86mph, gusts to 111mph, also not sure if any of those hit land, not sure of the pressure.

Sandy had pressure down to 940mb and sustained winds to 115mph, so this one definitely wasn't as powerful a system as Sandy, and Sandy was enormous. 

Superstorm of '93 had a pressure of 960mb, but I think that storm was more over land so that's pretty low for a system that didn't spend as much time over water as this storm. Wikipedia mentions a gust in the hills of NC of 110mph. I believe this had a similar short wave trough phase with a mid-lat cyclone like we saw with the recent storm. 

February 25-26, 2010 Windstorm/Inland Blizzard, pressure down to 972mb, wind gust of 94mph on Isle of Shoals, NH. Lots of wind gusts 60-70mph in MA and southern NH. 

Hurricane Bob.  Pressure of 950mb, sustained winds of 115mph at one point. Sustained winds of 105mph in RI and 100mph on the Cape. Unofficial gusts to 125 in Provincetown, MA.

Just a few historic events that graced New England with their presence in one form or another. Of a quick search of blizzards and hurricanes to affect the region, it appears this storm is only really topped by hurricanes. I'm sure there are many other historic storms that were comparable I didn't mention but I think I listed some of the most referenced.  
 

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This was one of the greatest wind blizzard I ever remember, if you look at the radar echos by Nantucket it looked like the biggest echo were about 25 miles off shore. So I think Nantucket most likely miss the strongest part of the storm by a few miles. Just I mange it would of been even stronger there.

If this storm track 200 miles to the west it would of surpass superstorm 93' because it had a lower pressure reading and a better baroclinic zone. In addition if it did track west I feel the the pressure would have been a little lower, because the praising would have been stronger and faster. But wow what a storm, that video was amazing.

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Still snowing and blowing here. Have about 25-30cms(10-12") from the storm. A bit disappointing on the totals. Too much dry air wrapped into the storm and killed our heavy snow. The winds however are a different story and made up for the lighter snow totals. Gusts at my place in the high 90's km/h(near 60mph) and i am inland and in a sheltered area. Exposed coastal locations in NS and NL got raked. Many reports of hurricane gusts with surge damage on the shoreline. Highest wind report I could find was from Norris Point NL at a whopping 202km/h(125mph). Not to shabby.  

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Still snowing and blowing here. Have about 25-30cms(10-12") from the storm. A bit disappointing on the totals. Too much dry air wrapped into the storm and killed our heavy snow. The winds however are a different story and made up for the lighter snow totals. Gusts at my place in the high 90's km/h(near 60mph) and i am inland and in a sheltered area. Exposed coastal locations in NS and NL got raked. Many reports of hurricane gusts with surge damage on the shoreline. Highest wind report I could find was from Norris Point NL at a whopping 202km/h(125mph). Not to shabby.

Thanks for the info. What an amazing storm, esp. for your area.

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Select snowfall amounts for parts of Canada (through 3 am ADT):

 

New Brunswick:

Moncton: 16.1"

Saint John: 3.1"

 

Nova Scotia:

Amherst: 15.7"

Greenwood: 16.5"

Halifax: 8.4"

Pugwash: 13.4"

Sydney: 8.7"

Yarmouth: 16.1"

 

Prince Edward Island:

Charlottetown: 20.9"

 

Quebec:

Gaspé: 7.6"

 

Was a good storm, looks like the wobble that occurred did crimp totals for a lot of the western areas up there too.  I'm actually surprised how low the outer Cape was aside of ACK.  West of Exit 5 there are only a few reports highest being 3.3" but for the most part the western Cape was 1-3".  I'm really sure it's the first time a 1" blizzard verified around here.

 

MASSACHUSETTS

...BARNSTABLE COUNTY...

   HARWICHPORT            6.0  1157 AM  3/26  HAM RADIO

   EAST FALMOUTH          5.5   137 PM  3/26  NONE

   WEST YARMOUTH          5.0  1034 AM  3/26  HAM RADIO

   BREWSTER               5.0  1155 AM  3/26  HAM RADIO

   HARWICH                4.0   910 AM  3/26  HAM RADIO

   WELLFLEET              4.0  1039 AM  3/26  HAM RADIO

   WEST HARWICH           4.0   938 AM  3/26  HAM RADIO

   BOURNE                 3.3   308 PM  3/26  NWS EMPLOYEE

   CENTERVILLE            1.3   724 AM  3/26  TRAINED SPOTTER

   WAQUOIT                1.0   604 AM  3/26  HAM RADIO

   EASTHAM                1.0   615 AM  3/26  HAM RADIO

...BRISTOL COUNTY...

   WEST ACUSHNET          1.0  1235 PM  3/26  HAM RADIO

   NEW BEDFORD            1.0  1231 PM  3/26  HAM RADIO

   SEEKONK                0.5  1142 AM  3/26  GENERAL PUBLIC

...DUKES COUNTY...

   EDGARTOWN              3.5   930 AM  3/26  CO-OP

   WEST TISBURY           1.3   607 AM  3/26  HAM RADIO

...NANTUCKET COUNTY...

   NANTUCKET              9.5  1208 PM  3/26  HAM RADIO

...PLYMOUTH COUNTY...

   PLYMOUTH               2.0  1202 PM  3/26  PINE HILLS

RHODE ISLAND

...NEWPORT COUNTY...

   MIDDLETOWN             0.5   533 PM  3/26  TRAINED SPOTTER

 

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Interesting

NOUS41 KCAR 271328PNSCARMEZ001>006-010-011-015>017-029>032-281330-PUBLIC INFORMATION STATEMENTNATIONAL WEATHER SERVICE CARIBOU ME928 AM EDT THU MAR 27 2014...WIND GUSTS TO 103 KNOTS/119 MPH AT BUOY 44027 UNDER REVIEW...ON WEDNESDAY MARCH 26...BUOY 44027 20 NM SE OF JONESPORT RECORDEDSEVERAL WIND GUSTS OF 103 KNOTS...OR 119 MPH. WHILE THESE GUSTSSEEM SUSPICIOUSLY HIGH...AT THIS TIME WE DO NOT HAVE ANY REASON TOTOTALLY DISCOUNT THEM.SUSTAINED WINDS AT THE BUOY SEEM PERFECTLY REASONABLE...GENERALLYRUNNING 50 TO 63 KNOTS...OR 58 TO 72 MPH...FOR SEVERAL HOURSAROUND MIDDAY ON THE 26TH. A WEATHER STATION AT BRIER ISLAND NOVASCOTIA ABOUT 50 MILES TO THE EAST RECORDED SIMILAR SUSTAINED WINDSTO BUOY 44027 ON WEDNESDAY...BUT ONLY HAD A PEAK GUST OF 76 KNOTS OR 87MPH. BOTTOM LINE...THE EXTREME GUST FACTOR FROM BUOY 44027 SEEMSUNLIKELY...BUT NOT TOTALLY IMPOSSIBLE. SOMETHING IN THE VICINITYOF 90 MPH OR 100 MPH WOULD HAVE BEEN REASONABLE...BUT 119 MPHSEEMS A BIT HIGH. IT IS POSSIBLE THERE WAS SOME CHANNELING OF THEWINDS COMING OUT OF THE BAY OF FUNDY...BUT ONE WOULD EXPECT THESUSTAINED WINDS TO ALSO BE HIGHER IF THIS WAS THE CASE. AT THISTIME...THERE ARE NO OBVIOUS SIGNS OF EQUIPMENT MALFUNCTION.NORMALLY...THERE IS A SECOND ANEMOMETER ON THE BUOY...BUT IT WASNOT FUNCTIONING AT THE TIME SO THERE IS NO SECOND DATA SOURCE.THE NATIONAL DATA BUOY CENTER IS REVIEWING THE DATA TO TRY TODETERMINE IF ANY EQUIPMENT MALFUNCTION OCCURRED. WE WILL UPDATETHIS PUBLIC INFORMATION STATEMENT WHEN WE HEAR MORE.$$FOISY
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Was a good storm, looks like the wobble that occurred did crimp totals for a lot of the western areas up there too.  I'm actually surprised how low the outer Cape was aside of ACK.  West of Exit 5 there are only a few reports highest being 3.3" but for the most part the western Cape was 1-3".  I'm really sure it's the first time a 1" blizzard verified around here.

 

I agree with you. The wobble almost certainly resulted in much lower amounts in eastern Maine. Eastport picked up 7.3" rather than the foot or more that likely would have occurred had the storm not shifted a little farther to the south and east.

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Although that buoy was suspiciously high, weren't there other reports of even higher gusts?  I supposed it's critical in a sense because that would be the highest gust in the US from that storm, but someone mentioned parts of NL gusting to 125mph, if that's accurate. 

If winds were sustained at say 70mph, I think reasonable gusts are about 150% of sustained winds. So 30mph gives gusts 45mph, 50mph gives gusts to 75mph. 70mph sustained gives gusts to 105mph. But there are always some a little lower and a little higher. Sustained winds on Nantucket were about 50mph, and they had gusts of 83, possibly 88 I heard the news say. So that's around 165% or so of sustained winds if we use 83mph. So let's say the winds reached 70mph on the buoy, and gusted 165% of that, that'd be 115.5mph. I'd say the report is genuine. 

At KLWM we gusted to 50mph, and sustained winds topped out at 32mph. That's 156%
Hyannis, MA gusted to 70mph, sustained at 43mph. 163% 
 

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There was a Davis Station that recorded the 129mph gust in Machias Seal Island in that vicinity. Around the same time, buoy reported those 118mph wind gusts:

 

2s9yr88.jpg

 

 

im5jjl.jpg

 

Im compiling list reports and images from on my blogby the way.

Nice blog entry. A quick note: The lowest pressure recorded at buoy 44150 was 956.9 mb.

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