IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 One of the main differences between the GFS and the NAM is that the NAM puts a lot of stock in that vorticy off the GA coast while the GFS is less aggressive. Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 The 18z GFS is at least 6 hours slower bringing in the steadier rain than the NAM. Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 18z NAM bufkit totals KMMU - 4.15" KSWF - 3.08" KHPN - 3.70" KLGA - 3.43" KJFK - 3.02" KISP - 3.20" Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 18z GFS continues to look nothing like the rest of the guidance. 1.75"+ though for most of the region. Heaviest rain almost skips over us. Link to comment Share on other sites More sharing options...
Brian5671 Posted November 25, 2013 Share Posted November 25, 2013 18z GFS continues to look nothing like the rest of the guidance. 1.75"+ though for most of the region. Heaviest rain almost skips over us. reminds me of the 2/8/13 Blizzard...it just never had a clue even up to the end... Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 reminds me of the 2/8/13 Blizzard...it just never had a clue even up to the end... It never had a clue with Sandy up until the end either. 24 hours out it still had Sandy backing into Cape Cod. Link to comment Share on other sites More sharing options...
Allsnow Posted November 25, 2013 Share Posted November 25, 2013 18z GFS continues to look nothing like the rest of the guidance. 1.75"+ though for most of the region. Heaviest rain almost skips over us. Its because we get dry-slotted Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 Its because we get dry-slotted Disagree looking at the zoomed in maps. It's because that initial shot of heavy rain that the NAM shows doesn't exist on the GFS. Would love to post maps but they are from a paid source. The NAM essentially wallops us twice. Link to comment Share on other sites More sharing options...
Allsnow Posted November 25, 2013 Share Posted November 25, 2013 Disagree looking at the zoomed in maps. It's because that initial shot of heavy rain that the NAM shows doesn't exist on the GFS. Would love to post maps but they are from a paid source. The NAM essentially wallops us twice. The nam often is too wet Link to comment Share on other sites More sharing options...
Brian5671 Posted November 25, 2013 Share Posted November 25, 2013 Disagree looking at the zoomed in maps. It's because that initial shot of heavy rain that the NAM shows doesn't exist on the GFS. Would love to post maps but they are from a paid source. The NAM essentially wallops us twice. what paid site are you using? Link to comment Share on other sites More sharing options...
Brian5671 Posted November 25, 2013 Share Posted November 25, 2013 The nam often is too wet True...if there's going to be a cut on totals it will likely come by 0z tonight.... Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 what paid site are you using? Storm Vista. Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 25, 2013 Share Posted November 25, 2013 The nam often is too wet It's not a matter of looking at QPF totals, it's looking at the screaming jet, the explosive convergence and the 850mb precip fields. I don't really ever give too much weight to QPF total maps because they are smoothed out means and reality is some areas will get more than others. Link to comment Share on other sites More sharing options...
forkyfork Posted November 25, 2013 Share Posted November 25, 2013 i think all five boroughs reach or exceed 2" with no problem Link to comment Share on other sites More sharing options...
jets Posted November 26, 2013 Share Posted November 26, 2013 Already nice convection going on in the gulf. Down to 1008 mbs Link to comment Share on other sites More sharing options...
Stormlover74 Posted November 26, 2013 Share Posted November 26, 2013 NAM still 3"+ Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 26, 2013 Share Posted November 26, 2013 NAM still 3"+ 4" plus for NW areas Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 26, 2013 Share Posted November 26, 2013 NAM bufkit totals definitely went up for 00z. KMMU - 4.56" KLGA - 3.77" KJFK - 3.32" KHPN - 3.96" KSWF - 3.72" KISP - 3.04" Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 26, 2013 Share Posted November 26, 2013 The 00z GFS continues to be on it's own. Barely gives western areas over an inch. Awfully hard to believe. Link to comment Share on other sites More sharing options...
IsentropicLift Posted November 26, 2013 Share Posted November 26, 2013 00z RGEM, quite impressive, especially considering this is a 12 hour total and not a total storm total Link to comment Share on other sites More sharing options...
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