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February 8th Potential Bomb Part II


earthlight

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RGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE NEW YORK NY

401 PM EST WED FEB 6 2013

...SIGNIFICANT WINTER STORM TO AFFECT THE REGION THURSDAY NIGHT

INTO SATURDAY MORNING...

NJZ006-106>108-NYZ072>075-078>081-176>179-070515-

/O.NEW.KOKX.WS.A.0001.130208T1800Z-130209T1800Z/

HUDSON-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-

NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-

KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-

SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-

NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-

401 PM EST WED FEB 6 2013

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH

SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM

WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY

AFTERNOON.

* LOCATIONS...NEW YORK CITY METRO AND LONG ISLAND.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 6 TO 10 INCHES.

* WINDS...NORTH 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES.

* TIMING...FRIDAY EVENING INTO EARLY SATURDAY MORNING.

* IMPACTS...HEAVY SNOW WILL MAKE FOR DANGEROUS DRIVING CONDITIONS.

IN ADDITION...THE HEAVY SNOW AND STRONG WINDS COULD RESULT IN

NEAR BLIZZARD CONDITIONS...BRING DOWN SOME TREE LIMBS...AND CAUSE

SCATTERED POWER OUTAGES.

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.

&&

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As expected

 

Winter Storm Watch
URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE NEW YORK NY401 PM EST WED FEB 6 2013...SIGNIFICANT WINTER STORM TO AFFECT THE REGION THURSDAY NIGHTINTO SATURDAY MORNING...CTZ009>012-070515-/O.NEW.KOKX.WS.A.0001.130208T1800Z-130209T1800Z/SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-401 PM EST WED FEB 6 2013...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGHSATURDAY AFTERNOON...THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORMWATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAYAFTERNOON.* LOCATIONS...COASTAL CONNECTICUT.* HAZARD TYPES...HEAVY SNOW AND SLEET.* ACCUMULATIONS...SNOW ACCUMULATION OF 10 TO 20 INCHES.* WINDS...NORTH 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.* TEMPERATURES...IN THE LOWER 30S.* VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES.* TIMING...FRIDAY AFTERNOON INTO EARLY SATURDAY MORNING.* IMPACTS...HEAVY SNOW WILL MAKE FOR DANGEROUS DRIVING CONDITIONS.  IN ADDITION...THE HEAVY SNOW AND STRONG WINDS COULD RESULT IN  NEAR BLIZZARD CONDITIONS...BRING DOWN SOME TREE LIMBS...AND  CAUSE SCATTERED POWER OUTAGES.PRECAUTIONARY/PREPAREDNESS ACTIONS...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANTSNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.CONTINUE TO MONITOR THE LATEST FORECASTS.&&$$
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Worcester is somewhat in the same boat as NE parts of this area, if this phase is late they could end up with a garden variety snow event while BOS is destroyed, Worcester is certainly sitting prettier than BDL/HFD but there is danger there that they could at least not see more than 8 inches.  Exactly why I said before if NYC/NJ miss out we won't ve the only ones fuming, most of WRN-CNTRL MA and NRN CT will be too.

True, they just always seems to find a way to get a lot of snow. Far enough away from taint, and close enough to the storm to get the good stuff. It's literally come down to a matter of hours with regards to the phasing. 6 hours +/- makes a worlds of difference for a lot of us in NYC/New England. Boston sure is sitting pretty though...what I would do to be there right now.

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URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
401 PM EST WED FEB 6 2013

...SIGNIFICANT WINTER STORM TO AFFECT THE REGION THURSDAY NIGHT
INTO SATURDAY MORNING...

NJZ006-106>108-NYZ072>075-078>081-176>179-070515-
/O.NEW.KOKX.WS.A.0001.130208T1800Z-130209T1800Z/
HUDSON-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
401 PM EST WED FEB 6 2013

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
AFTERNOON.

* LOCATIONS...NEW YORK CITY METRO AND LONG ISLAND.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 6 TO 10 INCHES.

* WINDS...NORTH 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES.

* TIMING...FRIDAY EVENING INTO EARLY SATURDAY MORNING.

* IMPACTS...HEAVY SNOW WILL MAKE FOR DANGEROUS DRIVING CONDITIONS.
  IN ADDITION...THE HEAVY SNOW AND STRONG WINDS COULD RESULT IN
  NEAR BLIZZARD CONDITIONS...BRING DOWN SOME TREE LIMBS...AND CAUSE
  SCATTERED POWER OUTAGES.

 

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The Southern stream energy is stronger and the Euro sees that . Thats where the difference is .If the Southern branch is stronger , it closes off faster and you get a deeper storm - ala Euro and better CCB ala - Euro , so thats prob  the error .

The Euro ensembles ticked west , which gives me solice that it doesn`t kick it further east at 0z .

 

But the NAM at 54 hrs isnt exactly in  its sniper range , I wouldnt use the Euro control either , so I am being fair , but 12 hours ago the  NAMs 6z   had the storm headed towards  Bermuda . It just caught the track today , tomorrow it may figure out the Southern branch is where the main focus should be not the northern SW .

If the southern stream turns out stronger would that aid or thwart the development of the Ohio vally low?

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URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE NEW YORK NY

401 PM EST WED FEB 6 2013

...SIGNIFICANT WINTER STORM TO AFFECT THE REGION THURSDAY NIGHT

INTO SATURDAY MORNING...

NJZ006-106>108-NYZ072>075-078>081-176>179-070515-

/O.NEW.KOKX.WS.A.0001.130208T1800Z-130209T1800Z/

HUDSON-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-

NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-

KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-

SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-

NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-

401 PM EST WED FEB 6 2013

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH

SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A WINTER STORM

WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY

AFTERNOON.

* LOCATIONS...NEW YORK CITY METRO AND LONG ISLAND.

* HAZARD TYPES...HEAVY SNOW.

* ACCUMULATIONS...SNOW ACCUMULATION OF 6 TO 10 INCHES.

* WINDS...NORTH 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TEMPERATURES...IN THE LOWER 30S.

* VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES.

* TIMING...FRIDAY EVENING INTO EARLY SATURDAY MORNING.

* IMPACTS...HEAVY SNOW WILL MAKE FOR DANGEROUS DRIVING CONDITIONS.

  IN ADDITION...THE HEAVY SNOW AND STRONG WINDS COULD RESULT IN

  NEAR BLIZZARD CONDITIONS...BRING DOWN SOME TREE LIMBS...AND CAUSE

  SCATTERED POWER OUTAGES.

 

With those winds , thats going to wind up being a wide spread BLIZZARD warning from NNJ to Maine .

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It's amazing what slight differences can do in the overall scheme of things. If the southern stream vorticy is stronger or the phase is a little bit quicker, than we would probably see 12"+. On the other hand, if it's a little bit later and the southern stream vorticy is weaker (kind of like the Nam shows) than we could get very little, maybe a couple inches. 

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Part of the reason this run may be off from others is the idea that Dsnowx53 has been saying all along....convection associated with the southern shortwave.

 

Just take a look at the actual radar (3:08) vs. the NAM simulated radar (4:00)

 

attachicon.gifactual.JPG

 

attachicon.gifsim.JPG

 

The simulated radar has no strong convection (>35 dbZ), whereas in reality there are strong storms with >50 dbZ signals throughout the GOM. 

 

 

Great observation. Thanks for illustrating my point. Given how much convection is actually occurring, you'd think the models would be wrong in dampening the southern stream so much. The increased convection should help to increase the heights downstream. 

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Yeh , If it`s stronger like the Euro has believed for the last 3 or so days , the deepening process is faster you close off earlier in the cycle , its a colder and a more rubost solution .

 

If the southern stream turns out stronger would that aid or thwart the development of the Ohio vally low?

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Banter thread joke material :lol:

its just the response that causes all the trouble. People are allowed to disagree, its a free country, but everyone should be allowed and able to post their ideas. Last I checked this subforum had like 2 or 3 mets who post consistently, the rest of us its a pot/kettle syndrome.

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