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Jan 31st - 33rd Storm Obs and Disco like it's 1979


Bob Chill
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Just now, Baltimorewx said:

2016 was a much different system man. The primary and coastal was much further to the south the primary tracked over Atlanta...

Was gonna say..... the evolution is nowhere near the same as 2016. That thing was a monster that tracked out of the south East and up the coastline. 

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14 minutes ago, JakkelWx said:

NWS New York just went for 18-24 inches for NYC and surrounding areas but who gives a crap about what they get

And this is why I’m so frustrated by our results. Philly also wont be far off from this, and they really are not that far away and its not like they gain major elevation. Just ridiculous. 

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Updated LWX AFD:

Quote

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
403 PM EST SUN JAN 31 2021

.SYNOPSIS...
LOW PRESSURE WILL TRACK INTO THE MID-ATLANTIC THIS EVENING, 
TRANSFERRING ITS ENERGY OFF THE COAST OF THE CAROLINAS AND 
VIRGINIA TIDEWATER REGION TONIGHT INTO MONDAY. THE LOW WILL  
THEN STRENGTHEN OFF THE DELMARVA PENINSULA MONDAY AFTERNOON AND 
MONDAY NIGHT, TRACKING NORTHEASTWARD ON TUESDAY. HIGH PRESSURE 
WILL THEN RETURN FOR THE MIDDLE PORTION OF NEXT WEEK BEFORE LOW 
PRESSURE AND ITS ASSOCIATED COLD FRONT MAY IMPACT THE AREA LATE 
IN THE WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
LOW PRESSURE ENTERING THE OHIO VALLEY WILL PUSH EASTWARD
TONIGHT, TRANSFERRING ITS ENERGY OFF THE CAROLINA AND VIRGINIA
TIDEWATER COAST AS THE LARGE UPPER TROUGH ENTRENCHES ITSELF OVER
THE MID-ATLANTIC. SATELLITE IMAGERY CONTINUES TO HIGHLIGHT A
DEARTH OF DRY AIR IN THE MID-LEVELS OVER THE CWA, WHICH HAS
ALLOWED FOR PRECIP TO TREND LIGHTER ACROSS THE SOUTHWESTERN
PORTIONS OF THE AREA, MAINLY ACROSS CENTRAL AND WESTERN
VIRGINIA. STILL SEEING REPORTS OF FREEZING DRIZZLE/RAIN ACROSS
THESE AREAS THIS AFTERNOON, WITH SAID DRIZZLE LIKELY CONTINUING
INTO THE OVERNIGHT HOURS. FURTHER NORTH AND EAST, WE ARE SEEING
MIX PRECIPITATION AND EVEN RAIN ACROSS SOUTHERN MARYLAND TO
BEGIN TO MARCH NORTH AND WEST. DO EXPECT THIS MIX PRECIP TO 
ENCROACH ON THE I-95 CORRIDOR THROUGH THIS EVENING, WHILE
AMOUNTS/RATES WILL BE ON THE LIGHT SIDE THROUGH THE OVERNIGHT
HOURS. MIX PRECIP WILL EVEN MAKE ITS WAY TOWARD THE MASON DIXON
LINE ACROSS NORTHERN MARYLAND, WITH WESTERN MARYLAND LIKELY
REMAINING COLD ENOUGH TO HOLD ON WITH LIGHT SNOW AS THE DOMINATE
PTYPE. MINOR SNOW AND ICE ACCUMULATIONS ARE EXPECTED THROUGH THE
OVERNIGHT HOURS, WITH MANY SURFACES BECOMING ICY AFTER NIGHTFALL
AS TEMPERATURES DROP INTO THE 20S AND MIDDLE 30S. WITH THE LOW
GATHERING ITSELF OFF THE COAST TONIGHT, WINDS WILL BE INCREASING
OUT OF THE NORTHEAST AS THE GRADIENT TIGHTENS. 

CURRENT WARNINGS REMAIN IN EFFECT AS WE SPEAK, BUT WE WILL BE
LOOKING TO MAKE CHANGES BY THIS EVENING, TRANSITIONING SOME 
AREAS TO ADVISORIES AS LIGHT PRECIP PERSISTS THROUGH THE 
OVERNIGHT HOURS AS MENTIONED ABOVE.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
THE LOW WILL EMERGE OFF THE DELMARVA COAST MONDAY MORNING AS
WINDS TURN OUT OF THE NORTH, ADVECTING IN COLDER AIR FROM THE
NORTH AS IT CONTINUES TO STRENGTHEN. AS THIS TAKES PLACE, ANY 
LIGHT WINTRY MIX MONDAY MORNING WILL TRANSITION BACK OVER TO 
SNOW MONDAY AFTERNOON AND MONDAY NIGHT, ESPECIALLY NORTH OF 
INTERSTATE 50 WHERE THE BETTER MOISTURE WILL RESIDE. ADDITIONAL
SNOW ACCUMULATIONS ARE EXPECTED MONDAY AFTERNOON AND MONDAY
NIGHT, WITH THE HIGHER AMOUNTS OF PERHAPS SEVERAL INCHES
RELEGATED ALONG AND NORTH OF I-70. FURTHER SOUTH, PRECIP AMOUNTS
WILL BE ON THE LIGHTER SIDE MONDAY AND MONDAY EVENING, WITH SNOW
ACCUMULATIONS GENERALLY LESS THAN AN INCH OR TWO. 

THE LOW WILL MAKE SLOW NORTHWARD PROGRESS MONDAY NIGHT INTO
TUESDAY, WITH SOME OF THE LATEST GUIDANCE PAINTING LIGHT SNOW
LINGERING INTO THE FIRST HALF OF THE DAY TUESDAY, PARTICULARLY
ACROSS NORTHEASTERN MARYLAND. THE LOW WILL START TO PUSH OFF TO
THE NORTHEAST TUESDAY AFTERNOON AND TUESDAY NIGHT AS A GUSTY
NORTHWEST WINDS TAKES HOLD AND DRIER AIR MOVES INTO THE REGION.
WINDS WILL GUST 30 TO 40 MPH AT TIMES TUESDAY AND TUESDAY
EVENING, LESSENING A TOUCH TUESDAY NIGHT WHILE UPSLOPE SNOW
SHOWERS IN THE ALLEGHENIES PERSIST. TEMPERATURES TUESDAY WILL 
REMAIN IN THE 20S AND 30S, FALLING BACK INTO THE TEENS AND 20S 
TUESDAY NIGHT WITH WIND CHILLS BELOW ZERO IN THE MOUNTAINS AND 
SINGLE DIGITS TO TEENS ELSEWHERE.

 

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2 minutes ago, CAPE said:

Got some good rates again now. Temp down to 30. Hopefully the snow can hang on long enough to get me to 3".

Just another quarter of an inch..

You might get lucky up there the boundary seems stuck over me for now, going between sleet and snow at the moment.

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11 minutes ago, psuhoffman said:

This setup is kind of counter intuitive Imo. 

It was earlier this week but imo how it's happening on the ground is an old rerun at this point. That's prob not a coincidence. Deep under the hood might be unusual. Ground truth is not.  I think we can agree there. GFS is going to win this one for our yards. Every time I looked at it I envisioned this type of outcome (and it made a lot of sense even if I didnt like it) but I never compared any run over run changes in the upper levels or any fine detail at all really. I just broad brushed looked at runs in isolation when I had time click thru them.

Primary is in OH now. That's def not suppressed. Euro had a horizontal brick wall just north of our region earlier this week when it was exciting. Now the firehose is rocking NYC/CNJ/CPA. That's not suppression either. Maybe technically in the fine details it still all is but it's really hard to defend suppression looking at everything in it's entirety as it's happening/going to happen. 

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Just now, Baltimorewx said:

Lol. Thank god it was cold today. It’s been nice to see everything completely covered in snow. But this is a bust in my book. I had about 2 hours of decent snow. Everything else has been pixie dust or flurries 

It was brought up by a met that the lack of cold air dynamics were poor in the NE areas of the forum,  the beach and areas far to my South did much better ( multiple inches ) compared to areas further North . At least so far.  

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2 minutes ago, jayyy said:

Show me or shut up haha I kid - but seriously 

Not going to post images but they definitely trended snowier with precip from the coastal tomorrow afternoon and night. 

18z ICON gives us some nice light/moderate snow tomorrow afternoon/evening! Eastern shore looks to do well tomorrow night! 

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Just now, MD Snow said:

Not going to post images but they definitely trended snowier with precip from the coastal tomorrow afternoon and night. 

If so then you have ops and short range models hitting on that. 

Tomorrow afternoon and evening may be the big win for me, not tonight.  

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