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March 2016 Forecasts, Disco


snowman19

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EURO ENS-http://www.tropicaltidbits.com/analysis/models/ecmwf-ens/2016031512/ecmwf-ens_z500_mslp_atl_7.png

 

 

GEFS ENS-http://www.tropicaltidbits.com/analysis/models/gfs-ens/2016031512/gfs-ens_z500_mslp_atl_25.png

 

 

GEM ENS-http://www.tropicaltidbits.com/analysis/models/gem-ens/2016031512/gem-ens_z500_mslp_atl_25.png

 

 

Monday 8:00 am DST comps

 

pull for the euro position with the Atlantic HP  (WAR)

with the strength (1030mb HP)  of the GEFS ENS for the best results  :weenie:

 

not the best of setups  ATM  for a solid BM track  -- imho--

 

you can clearly see the GEFS and the GEM ENS

try and build that lobe of HP the Euro ENS has progged

 

UPDATED  18Z  GEFS

 

gfs-ens_z500_mslp_atl_22.png

on the bubble

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Bet this place fills up with visitors after Today's  12Z  data :snowing:

hazards_d3_7_contours.png

http://www.cpc.ncep.noaa.gov/products/predictions/threats/threats.php

 

text

 

For Friday March 18 - Tuesday March 22: At the start of the period a frontal system is expected to be stalled along the Gulf Coast. This is anticipated to act as a focusing mechanism for showers and thunderstorms and heavy rain (in excess of an inch in 24 hours) for parts of the southern lower Mississippi Valley and southeast Mar 18-19. This rainfall would aggravate and extend river flooding that is already occurring for parts of those regions. Low pressure is forecast to form along the front on Mar 20 and move north/northeastward near the Mid-Atlantic coast. This low pressure system is expected to deepen as is moves along the Mid-Atlantic and northeast coasts. This evolution is expected to cause heavy rain (in excess of 1 inch in 24 hours) for parts of the Mid-Atlantic and northeast Mar 20-21, and heavy snow (in excess of 4 inches in 24 hours)for inland sections of the Mid-Atlantic and Northeast. high winds are possible for parts of the Mid-Atlantic and northeast coasts Mar 20-21 but large model uncertainty precludes the specification of a hazard shape at the current time. It should also be noted that the latest 12Z GFS run moves the low pressure system much further east, significantly reducing the threat of heavy precipitation for the Mid-Atlantic and northeast. 

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Plenty of time for a shft in either direction.

Enlightening......

As the theme with many of the easterly misses this year as we have gotten closer we started to see LP show up in SE Canada near the lakes.

When that happens just say goodnight. You want to see HP sitting over the top of you otherwise you just kick another system east.

To say "there is time " doesn't really explain (the why ) very well Anth.

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Through 9 am this morning, NYC has a March temperature anomaly of 8.1° above normal. By day's end, the anomaly will probably be in the +8.3° to +8.4° range.

 

Despite the upcoming cold shot and opportunity for some snowfall (not assured, but still a possibility per some of the guidance), March remains on track to finish solidly above normal. The latest scenarios based on the actual readings to date through March 15 and March 16-22 MOS forecasts:

 

March2016_Temps03162016.jpg

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