Major Lake Effect Snow Outbreak...

By: Zachary Labe , 9:32 PM GMT on December 04, 2010

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"Lake Effect Outbreak of December 5-9th"
A multi-day extended northwest, cyclonic flow will cause a large lake effect snow outbreak over much of the Pennsylvania/Maryland snowbelts. Additionally the long fetch may cause several coatings to a light accumulation downwind of the Appalachians. A weak shortwave (Alberta Clipper) is currently moving well south of the Middle Atlantic. This is causing a large area of light to moderate snowfall over West Virginia, southern Virginia, and parts of North Carolina. This will cause some weak upper level ridging over the northern Middle Atlantic with an area of subsidence. This will bring a quick end to the lake effect snow showers for the first half of Saturday night despite a steady northwest flow. Lows Saturday night won't drop too much with some stratocumulus cloud cover and 5-10mph winds mixing the surface. The clipper will move offshore by late Saturday and redevelop as a relatively strong 1000mb coastal low. The low will undergo rapid cyclongenesis, but several hundred miles well off the coast. The low will deepen to 976mb by late Sunday and begin to retrograde towards Nova Scotia and the Gulf of Maine. The 968mb low will track northwest into Nova Scotia scraping parts of the northern half of Maine with a moderate snowfall. This retrograding, cutoff low will set the stage for a dominant cyclonic flow over the entire Northeast. 700mb RH values indicate increasing humidity values aloft by Sunday morning under a 310 degree trajectory. Organized snow bands will begin to develop downwind of Lake Erie across northwestern Pennsylvania. GFS bufkit indicates convective temperatures being reached by mid morning for most areas on Sunday allowing for daytime instability to fuel cellular snow showers over the rest of western and central Pennsylvania. Across the Laurel Highlands, moderate orographic lift, upslope snow will begin with daytime accumulations around 1-4in. Initially the bands over northwestern Pennsylvania will be relatively light, but increase in intensity with better dendritic growth and excellent Omega values later in the day. MOS guidance indicates highs below freezing for many areas with mid to upper 30s elsewhere for the entire northern Middle Atlantic. But looking at the H85 thermals at nearly -10C, MOS/MAV may be running a bit too warmer. I would tad highs lower just a degree or two especially considering any evaporational cooling from snow showers and widespread stratocumulus cloud cover.

By late Sunday afternoon, a tightning pressure gradient and strong atmospheric mixing will promote increasingly gusty winds. Winds at the surface may gust upwards of 30-35mph during the day with advisory criteria winds along the ridgetops of nearly 50-55mph especially in the Laurel Highlands and across western Maryland. Increasing moisture from the Great Lakes will continue to feed and strengthen the lake effect snow bands over northwestern Pennsylvania. By Sunday evening the flow will migrate to a 320 trajectory promoting a clear Huron-Erie connection allowing for long-extensive bands well inland across the Alleghanies. With gusty winds and falling temperatures by Sunday evening, near blizzard conditions will occur across the snow belts with blowing and drifting snow as visibility drops to near zero. Snowfall rates will increase to nearly 1-2in per hour in the heaviest bands. Monday will feature the passing a weak vortex of energy just north of Pennsylvania. This will increase the instability allowing for the heaviest of snow bands to fall Monday. Guidance also suggests widespread flurries and snow showers over much of Pennsylvania, western Maryland, and northern Maryland near the Mason-Dixon line. As the vortex passes by, high resolution models indicate a dominant lake effect band forming from Meadville to Du Bois to Philipsburg to State College and possibly as far south as Harrisburg. This common 322 streamer is most likely at some point Monday or Monday night and may cause light snow accumulations even into the Lower Susquehanna Valley of central Pennsylvania. The setup reminds me a bit of November 2008 when a vortex of energy passed through Pennsylvania allowing for a long lake effect snow streamer to reach well across Pennsylvania. Link. Exact placement and development of this band still remains highly uncertain. Monday evening will continue the upslope moderate to heavy snow over the Laurel Highlands with bands over northwestern Pennsylvania stretching southeast. Also this northwest flow will favor lake effect streamers from Ontario reaching southward across the Finger Lakes Region down into northeastern Pennsylvania. Some areas in northern Susquehanna and Wayne Counties may see 3-5in by mid week. Upslope snows will also occur in the Poconos. I have found often the Mt. Holly radar is not sensitive enough to pick up on the accumulating snows over the Poconos in lake effect situations when in fact they can receive 1-3in. H85s will drop to nearly -13C by Tuesday and Wednesday with advecting drier air. Lake effect snows will decrease in areal coverage, but continue to add light snow accumulations.

Total snow accumulations will be highly variable as typical with lake effect snow. Areas across the plateau of southern Erie county and Crawford county will likely see the highest accumulations, 12-24in, with isolated 30in areas. Across the Laurel Highlands and western Maryland upslope totals will be on the order of 6in to possibly over one foot especially for favored areas in southern Somerset County near Laurel Summit and Mt. Davis. Northeastern Pennsylvania will see 1-4in with the Poconos having similar amounts. Across the Pittsburgh metro area, midweek cumulative totals will be also 1-4in. For the ridge and valley region into east central Pennsylvania accumulations will not be widespread, but patchy coatings to two inches+ are possible in isolated areas. By Wednesday high pressure will take control slowly bringing an end to the extended snows, high winds, and widespread stratocumulus deck. Most of the week will be typical of a northwest flow with highs only reaching above freezing across Maryland, Delaware, and extreme southern Pennsylvania.

A quick look at the progression of the banding... High resolution NMM and NAM models show two dominant bands for late Sunday one from Erie County to Forest County to Clearfield County. The second band a bit farther south into Butler County stretching into the Laurel Highlands. Both bands show Huron-Erie connections. Then it appears a dominant band forms towards Monday or Monday night along rt 322/22 possibly stretching as far south as east-central Pennsylvania. These bands will the heaviest producing for accumulations over northwestern Pennsylvania. The Laurel Highlands will generally see upsloping snows with embedded heavier bands. Also a few streamers may stretch from Ontario into northeastern Pennsylvania.

"Current Lake Erie Wind Direction and Speed"

(Courtesy of NOAA)

"Current Lake Erie Water Temperature"

(Courtesy of NOAA)

"Lake Effect Snow Impacts"
1. Steady due northwest 310-320 degree flow
2. 20-25F land/water temperature contrast along lake shore
3. Extended four to five days of organized bands
4. Possibility for a few bands to extend into Ridge and Valley Region of Pennsylvania with C-2in of snow
5. Heaviest accumulations in higher elevations of southern Crawford and Erie counties up to 25-28in of snow.

"Regional Radar"

(Courtesy of NOAA)

"Regional Advisories"

(Courtesy of NOAA)

"Selected City Accumulations"
Erie- 10-15in with higher amounts southeast of the city (12-24in)
Meadville- 10-15in of snow
Bradford- 8-14in of snow
Butler- 3-5in of snow
Pittsburgh- 1-4in of snow
Latrobe- 2-5in of snow
Indiana- 3-6in of snow
Johnstown- 9-15in of snow
Somerset- 8-14in of snow
Altoona- 2-4in of snow
Du Bois/Clearfield- 3-6in of snow with locally higher amounts
Philipsburg- 3-5in of snow
State College- 1-4in of snow
Lock Haven- 2-4in of snow
Williamsport- Locally 1-3in of snow
Mt. Pocono- 1-4in of snow
Selinsgrove- Locally 1-3in of snow
Harrisburg- C-2in of snow
Hagerstown- Locally C-2in of snow
Cumberland- 1-3in of snow
Frostburg- 4-8in of snow
McHenry- 6-12in of snow
Oakland- 7-14in of snow

"Snow Map"

*This will be a long duration snow event. These forecasted snow totals are a cumulative snow total forecast over the four to five day period. Also areas downwind of the forecasted 1-3in of snow will see spotty coatings to two inches.

"Here northeast of Harrisburg 2010-2011 winter statistics"
(Snow Stats)
Current Snow Cover- Trace
Monthly Total (November)- Trace
Monthly Total (December)- 0.5in
Seasonal Total- 0.5in
Winter Weather Advisories- 0
Winter Storm Warnings- 0
Ice Storm Warnings- 0
Blizzard Warnings- 0
Freezing Rain Advisories- 0
Winter Storm Watches- 0

(Temperature Stats)
Lowest High Temperature- 30.5F
Lowest Low Temperature- 15.3F
Wind Chill Advisories- 0
Wind Chill Warnings- 0

(Snow Storms Stats)
First accumulating snow- December 10 0.50in

"Local Harrisburg Radar"

(Courtesy of WGAL)

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375. bwi
12:30 AM GMT on December 12, 2010
Freezing rain advisory for Harrisburg area until 11pm tonight.
Member Since: September 4, 2007 Posts: 0 Comments: 1407
374. bwi
12:12 AM GMT on December 12, 2010
Nasty

BULLETIN - EAS ACTIVATION REQUESTED
CIVIL EMERGENCY MESSAGE
SIOUX COUNTY EMERGENCY MANAGEMENT
RELAYED BY NATIONAL WEATHER SERVICE SIOUX FALLS SD
518 PM CST SAT DEC 11 2010

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE SIOUX
COUNTY EMERGENCY MANAGEMENT.

ABSOLUTELY NO TRAVEL IN SIOUX COUNTY TONIGHT. THE IOWA DEPARTMENT OF
TRANSPORTATION HAVE PULLED ALL REMAINING PLOWS AS OF 5 PM FOR THE
REST OF TONIGHT. ALL RURAL ROADS ARE OR SOON WILL BE IMPASSIBLE.
CITY STREETS ARE ALSO IMPASSIBLE. VISIBILITY IS DOWN TO ZERO IN
RURAL AREAS AND LITTLE IMPROVEMENT IN CONDITIONS IS EXPECTED
OVERNIGHT. RESCUE OF ANY STRANDED INDIVIDUALS TONIGHT MAY BE
IMPOSSIBLE. IF YOU DO BECOME STRANDED...STAY WITH YOUR VEHICLE.

Cherokee Municipal Airport
Lat: 42.73 Lon: -95.56 Elev: 1227
Last Update on Dec 11, 5:55 pm CST


Snow and Windy

10 °F
(-12 °C) Humidity: 92 %
Wind Speed: N 28 G 40 MPH
Barometer: 29.95"
Dewpoint: 9 °F (-13 °C)
Wind Chill: -12 °F (-24 °C)
Visibility: NA


Member Since: September 4, 2007 Posts: 0 Comments: 1407
373. bwi
11:59 PM GMT on December 11, 2010
That is one fine looking storm out there in the midwest. Nice graphics 451.
Member Since: September 4, 2007 Posts: 0 Comments: 1407
372. seflagamma
11:18 PM GMT on December 11, 2010
Hello Bliz and all you Snow lovers!!!

You may keep your winter cold, please come get it from me..
this cold air does not belong in SE Florida!


"I'm Dreaming of a Tropical Christmas
Just like the ones I use to know!!!!"

Member Since: August 29, 2005 Posts: 302 Comments: 40956
367. Zachary Labe
10:58 PM GMT on December 11, 2010
*New blog should be out this evening!
Member Since: December 14, 2007 Posts: 285 Comments: 15140
366. HeavySnow
10:57 PM GMT on December 11, 2010
I like hypenosticators anyhow. Big big BIG STORM coming in 12 days. ahahahahahahahahahaha
Member Since: July 7, 2004 Posts: 18 Comments: 2990
364. TheRasberryPatch
7:01 PM GMT on December 11, 2010
you prognosticators hype every storm that the models bring up 7-10 days out. It's December. no wonder Blizz doesn't comment that often.
Member Since: January 26, 2007 Posts: 72 Comments: 6276
363. flattyboy50
6:43 PM GMT on December 11, 2010
My wonder is just how rapid this low will intensify,and how far off the Atlantic Coast it stays.The "old low" is still far enough away to not slow it down enough and cause it to retrograde back before it crosses S NE. Pressure is not that low at all off the NC coast.
Member Since: December 19, 2009 Posts: 0 Comments: 155
362. flattyboy50
6:21 PM GMT on December 11, 2010
This midwest low is still quite deep...Do you think this new low forming NC coast will become the primary low?
Member Since: December 19, 2009 Posts: 0 Comments: 155
361. TheDawnAwakening
5:28 PM GMT on December 11, 2010
It looks like this system will live up to expectations at least for the northern plains and north/central Great Lakes region as well as the favored LE snowbelts. This will be quite the week for a lot of people around the Great Lakes region and Northeast. Northeast US looks to be in the cards for a potential storm around the 17-19th period. Right now the EURO is most amplified while the GFS is most progressive. GGEM is in between at the moment.
Member Since: October 21, 2008 Posts: 248 Comments: 3970
359. shipweather
4:57 PM GMT on December 11, 2010
Quoting Blizzard92:

A clipper moved north of the region as a warm front lifted over our region enhancing a bit of warm air advection snows with a bit of frontogenesis enhancement. The models handled the system very poorly in general. And yes next week does not look quite as cold as originally thought, but still well below normal.


It's interesting to note the model failures. I think a lot of people were caught off guard and I heard reports of lots of accidents. I'm not saying that if people new half an inch of snow was coming they wouldn't have driven, but still without warning these problems arise.

Still white stuff on the ground this morning, sad it will be all washed away.
Member Since: December 15, 2007 Posts: 19 Comments: 987
358. goofyrider
4:32 PM GMT on December 11, 2010
Morning
post 357
Depends on the source.  Tea leaves suggest the low takes a track up the intercoastal or offshore and drops op to 2-3 in of rain somewhere.Dont think this is the one that has  us up all night.  It looks to be on a fast track that joins the main event over Conn / VT.  Slight chance for onshore tides.  Think Fairfield to Milford see some wind and water along with Brooklyn and the Rockaways.
Member Since: February 27, 2009 Posts: 0 Comments: 2952
357. originalLT
4:16 PM GMT on December 11, 2010
Well Goofy, It sure looks like something is going on , on the N.C. coastal area. I didn't think something was supposed to form that far South?
Member Since: January 31, 2009 Posts: 0 Comments: 8010
356. goofyrider
3:35 PM GMT on December 11, 2010
Is that the dreaded secondary low  off  the Cape??
Member Since: February 27, 2009 Posts: 0 Comments: 2952
355. SilverShipsofAndilar
2:48 PM GMT on December 11, 2010
Quoting pittsburghnurse:


HAHA. I'm a baby boomer of the first order. To put it kindly, I'm well seasoned. But shocker, I'm STILL paying off student loans.


Haha, obviously pep talks aren't your strong suit. Maybe one day we'll both be debt free. I don't even know what I'd do with the extra income. Oh . . . ahem . . . good luck at Cornell though, Blizz.
Member Since: December 1, 2008 Posts: 0 Comments: 600
354. pittsburghnurse
2:11 PM GMT on December 11, 2010
Quoting SilverShipsofAndilar:


For those of us buried in student loan debt with monthly payments higher than even any mortgage should be, please explain what "buying a house" means. It is a foreign concept to us and one which we are likely never to experience.


HAHA. I'm a baby boomer of the first order. To put it kindly, I'm well seasoned. But shocker, I'm STILL paying off student loans.
Member Since: October 14, 2006 Posts: 1 Comments: 639
353. HeavySnow
1:42 PM GMT on December 11, 2010
Quoting PalmyraPunishment:


I'm only going if I know these backwoods locations get high speed internet and/or digital cable. If I miss the fight tomorrow to make snow angels with you bozos, somebody's going to fight me. Whether they likes it or not. lol.


Aren't we the main attraction? Are there other fights on the undercard before the big Blow in the Snow, Palmyra Punishment vs. the undisputed heavy snow chammmmmmmm-pion of the Mid-Atlantic, HeavySnow! Bring it on CampHillbilly.
Member Since: July 7, 2004 Posts: 18 Comments: 2990
352. TheRasberryPatch
12:48 PM GMT on December 11, 2010
Blizz - it appears the storm for this weekend is very typical for this time of the year. We rarely get any type of major snowstorm in early December like a Miller A or B. Most of the storms this time of the year move north to our west. Countless times in my life I have seen many storms move up through the midwest to bring us rain. it's just not in the scenario for our region in late Autumn. sure there are exceptions, but I think it is part of the cycle of the East Coast.
Member Since: January 26, 2007 Posts: 72 Comments: 6276
349. Zachary Labe
11:14 AM GMT on December 11, 2010
I will have a new blog out today! It will detail the RAIN storm for much of the region before it changes to snow with a weak deformation band followed by another impressive lake effect snow outbreak and then late week the possibility of an accumulating snow south of I-80.
Member Since: December 14, 2007 Posts: 285 Comments: 15140
348. SilverShipsofAndilar
9:58 AM GMT on December 11, 2010
Quoting pittsburghnurse:
FOR ALLEGHENY COUNTY, PA... Winter Storm Watch remains in effect from Sunday afternoon
through Monday evening...

A Winter Storm Watch remains in effect from Sunday afternoon
through Monday evening.

A strong low pressure system will spread a wintry mix across the
watch area Saturday night into Sunday. Precipitation will change
to all snow Sunday afternoon. Widespread snow showers will
develop Sunday night and Monday along with strong winds. This
will bring blowing and drifting snow as well as quite cold wind
chills.

* Accumulation: snowfall from Sunday afternoon through Monday
may be greater than 6 inches.

* Timing: significant snow will begin Sunday afternoon.

* Winds: winds will become west at 15 to 25 mph later Sunday and
northwest at 15 to 25 mph with gusts to 35 mph Sunday night
and Monday with blowing and drifting snow.

* Visibilities: visibilities will be reduced below one mile
Sunday night and Monday with near whiteout conditions possible
in higher elevations at times.

* Wind chill: wind chill readings will fall below zero Sunday
night and much of Monday.

We got one of those babies too! Will be making a run to the store tomorrow to get 800 dozen eggs and 40 loaves of bread like all good Pittsburghers do before a winter storm.

On the down side, closing on a new house close to Christmas and the gutters are frozen. Buying a house in winter is a stressful ordeal.


For those of us buried in student loan debt with monthly payments higher than even any mortgage should be, please explain what "buying a house" means. It is a foreign concept to us and one which we are likely never to experience.
Member Since: December 1, 2008 Posts: 0 Comments: 600
347. TheF1Man
8:00 AM GMT on December 11, 2010
Actually had a dusting here in springfield around 10pm
Member Since: February 23, 2010 Posts: 0 Comments: 685
346. originalLT
5:40 AM GMT on December 11, 2010
I did have a few flurries here, in SW CT. between 6:30 and 8:30pm, but nothing much to speak about. 28F now, partly cloudy. Good luck Pittsburghnurse with your move and new house!
Member Since: January 31, 2009 Posts: 0 Comments: 8010
345. pittsburghnurse
4:22 AM GMT on December 11, 2010
FOR ALLEGHENY COUNTY, PA... Winter Storm Watch remains in effect from Sunday afternoon
through Monday evening...

A Winter Storm Watch remains in effect from Sunday afternoon
through Monday evening.

A strong low pressure system will spread a wintry mix across the
watch area Saturday night into Sunday. Precipitation will change
to all snow Sunday afternoon. Widespread snow showers will
develop Sunday night and Monday along with strong winds. This
will bring blowing and drifting snow as well as quite cold wind
chills.

* Accumulation: snowfall from Sunday afternoon through Monday
may be greater than 6 inches.

* Timing: significant snow will begin Sunday afternoon.

* Winds: winds will become west at 15 to 25 mph later Sunday and
northwest at 15 to 25 mph with gusts to 35 mph Sunday night
and Monday with blowing and drifting snow.

* Visibilities: visibilities will be reduced below one mile
Sunday night and Monday with near whiteout conditions possible
in higher elevations at times.

* Wind chill: wind chill readings will fall below zero Sunday
night and much of Monday.

We got one of those babies too! Will be making a run to the store tomorrow to get 800 dozen eggs and 40 loaves of bread like all good Pittsburghers do before a winter storm.

On the down side, closing on a new house close to Christmas and the gutters are frozen. Buying a house in winter is a stressful ordeal.
Member Since: October 14, 2006 Posts: 1 Comments: 639
344. PalmyraPunishment
4:04 AM GMT on December 11, 2010
Quoting HeavySnow:
Alright everybody. Looks like we're meeting in Oakland, Maryland or maybe Frostburg. See you in about 3 hours for me.


I'm only going if I know these backwoods locations get high speed internet and/or digital cable. If I miss the fight tomorrow to make snow angels with you bozos, somebody's going to fight me. Whether they likes it or not. lol.
Member Since: January 31, 2007 Posts: 9 Comments: 2250
343. HeavySnow
3:26 AM GMT on December 11, 2010
Alright everybody. Looks like we're meeting in Oakland, Maryland or maybe Frostburg. See you in about 3 hours for me.
Member Since: July 7, 2004 Posts: 18 Comments: 2990
342. MDFirefighter
3:13 AM GMT on December 11, 2010
Quoting SilverShipsofAndilar:


Showoff.


Too bad I'm no where close to Allegany County, so I won't see any snow lol
Member Since: February 11, 2006 Posts: 1 Comments: 1201
341. SilverShipsofAndilar
3:08 AM GMT on December 11, 2010
Quoting MDFirefighter:
WINTER STORM WATCH FOR WESTERN ALLEGANY COUNTY, MD

... Winter Storm Watch in effect from Sunday afternoon through
Monday evening...

The National Weather Service in Baltimore MD/Washington has
issued a Winter Storm Watch... which is in effect from Sunday
afternoon through Monday evening.

* Precipitation type: snow.

* Accumulations: 8 or more inches possible in a 24 hour period
from Sunday afternoon through Monday afternoon.

* Timing: precipitation is forecast to change to all snow Sunday
afternoon. A period of heavy snowfall is possible Sunday night
and Monday.

* Temperatures: falling into the 20s Sunday afternoon. Lows 10 to
15 Sunday night... highs 15 to 20 Monday.

* Winds: west 15 to 25 mph with gusts to 35 mph Sunday afternoon.
Northwest 20 to 30 mph with gusts to 45 mph Sunday night and
Monday.

* Wind chills: below zero Sunday night and Monday.

Precautionary/preparedness actions...

A Winter Storm Watch means there is a potential for significant
snow... sleet... or ice accumulations that may impact travel.
Continue to monitor the latest forecasts.


Showoff.
Member Since: December 1, 2008 Posts: 0 Comments: 600
340. TheRasberryPatch
2:38 AM GMT on December 11, 2010
Thanks Blizz for the clarification. I sort of figured it was something like that. watching the movement of the storm and the time lapse for the moisture it seemed like it was something like that. I saw WU was forecasting 30% chance since yesterday, and when I saw the radar this morning it was evident if it makes it over the mountains we might get a bit

I am glad tomorrow will be close to 40 if not over it. I have my outside lights I will be putting up. This past week has been so cold. Not out of the ordinary for similar years for this time, but I guess I decided I was going to wait until Saturday.
Member Since: January 26, 2007 Posts: 72 Comments: 6276
339. MDFirefighter
1:46 AM GMT on December 11, 2010
WINTER STORM WATCH FOR WESTERN ALLEGANY COUNTY, MD

... Winter Storm Watch in effect from Sunday afternoon through
Monday evening...

The National Weather Service in Baltimore MD/Washington has
issued a Winter Storm Watch... which is in effect from Sunday
afternoon through Monday evening.

* Precipitation type: snow.

* Accumulations: 8 or more inches possible in a 24 hour period
from Sunday afternoon through Monday afternoon.

* Timing: precipitation is forecast to change to all snow Sunday
afternoon. A period of heavy snowfall is possible Sunday night
and Monday.

* Temperatures: falling into the 20s Sunday afternoon. Lows 10 to
15 Sunday night... highs 15 to 20 Monday.

* Winds: west 15 to 25 mph with gusts to 35 mph Sunday afternoon.
Northwest 20 to 30 mph with gusts to 45 mph Sunday night and
Monday.

* Wind chills: below zero Sunday night and Monday.

Precautionary/preparedness actions...

A Winter Storm Watch means there is a potential for significant
snow... sleet... or ice accumulations that may impact travel.
Continue to monitor the latest forecasts.
Member Since: February 11, 2006 Posts: 1 Comments: 1201
338. crowe1
12:07 AM GMT on December 11, 2010
Got my first dusting of snow here today!!!!! Time to start the the Lake Shadow snow count.
Member Since: January 26, 2007 Posts: 15 Comments: 922
336. testbenchdude
11:10 PM GMT on December 10, 2010
We had some really pretty flurries here in West Chester, PA this afternoon. They were pretty fun to drive through and provided a nice tableau outside my 3rd floor apartment living room window. This was a nice change of pace over the howling, snowless winds of the past week.

And yes, I am secure enough in my manhood to say something like "really pretty flurries". I think you all know what I mean. Happy December 10th everybody, and Cheers~
Member Since: October 19, 2005 Posts: 0 Comments: 221
335. TheDawnAwakening
10:53 PM GMT on December 10, 2010
Retrograding frontal wave for next Tuesday?
Member Since: October 21, 2008 Posts: 248 Comments: 3970
334. Zachary Labe
10:41 PM GMT on December 10, 2010
Quoting TheRasberryPatch:
What was that Blizz? a warm front? a clipper?

I noticed the temps have modified a bit for next week according to WU

A clipper moved north of the region as a warm front lifted over our region enhancing a bit of warm air advection snows with a bit of frontogenesis enhancement. The models handled the system very poorly in general. And yes next week does not look quite as cold as originally thought, but still well below normal.
Member Since: December 14, 2007 Posts: 285 Comments: 15140
333. originalLT
10:35 PM GMT on December 10, 2010
Me too, nothing here in Sw CT. cchamp6, at least you got some snow up there in the NW corner of CT. I've only gotten flurries, but as I said, nothing today.
Member Since: January 31, 2009 Posts: 0 Comments: 8010
331. cchamp6
9:59 PM GMT on December 10, 2010
Yeah I think your right Olt. I am ok if it stays warm and rains. This ridiculous cold and then ice to rain back to frigid cold makes me mental. It snowed almost the entire week here. It was enough to make me want a big noreaster. Lol.
Member Since: December 21, 2006 Posts: 5 Comments: 1738
330. originalLT
9:49 PM GMT on December 10, 2010
Me too cchamp6, but I believe that is more or less typical of a La Nina set-up. The storm centers either passing to our West or nearly on top of us, bringing in a flood of mild air from off the ocean. I guess one or two ,over the winter could position just right near the 70--40 benchmark, with a pool of cold air in the right position over Eastern Canada or extreme Northern New England.
Member Since: January 31, 2009 Posts: 0 Comments: 8010
329. cchamp6
8:57 PM GMT on December 10, 2010
I am already tired of this pathetic winter. Down to 4 degrees this morning. Just had a brief snow shower. Coated things up. Now onto a friggin rain storm sunday. These type of winters make me want to throw up. Bitterly cold followed by rain followed by bitterly cold.
Member Since: December 21, 2006 Posts: 5 Comments: 1738
328. TheDawnAwakening
8:53 PM GMT on December 10, 2010
Looks like the EURO won this battle in the medium range. Hats off to the EURO, hopefully the EURO is right in bringing the retrgrading storm into SNE with some snows, but I doubt it. Another rainstorm followed by dry and cold air mass followed by another pipe dream storm around the 18-20th.
Member Since: October 21, 2008 Posts: 248 Comments: 3970
327. HeavySnow
8:51 PM GMT on December 10, 2010
BWI - I hope you saw some snow. I drove from Annandale to North Bethesda all during a decent snowshower. The side streets were whitened. It was all very exciting of course.
Member Since: July 7, 2004 Posts: 18 Comments: 2990
326. TheRasberryPatch
8:47 PM GMT on December 10, 2010
What was that Blizz? a warm front? a clipper?

I noticed the temps have modified a bit for next week according to WU
Member Since: January 26, 2007 Posts: 72 Comments: 6276
325. Zachary Labe
8:34 PM GMT on December 10, 2010
Thanks everyone! A nice suprise 0.5in of snow to make for a wonderful day!
Member Since: December 14, 2007 Posts: 285 Comments: 15140

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Cornell University- Atmospheric Sciences Undergrad; Research Assist.- Onset of Spring Indices Toolbox; Interests- Small spatial scale climatolology

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