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Wintry potential Saturday 1/21/2012


famartin

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bad choice of words on that map

I don't think that's a bad choice of words as much as it's very difficult to determine where the sleet/freezing rain line will be....I might would have put ice in place of sleet because you aren't going to have to drive far to see a changeover from sleet to freezing rain. But other than that I don't think this graphic is that bad.

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I don't think that's a bad choice of words as much as it's very difficult to determine where the sleet/freezing rain line will be....I might would have put ice in place of sleet because you aren't going to have to drive far to see a changeover from sleet to freezing rain. But other than that I don't think this graphic is that bad.

Agreed, they should have simply added "freezing rain to the zone coded snow/sleet/rain. Zone wise its fine.

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DT's map...................

http://1664596.sites...rology/LAST.jpg

Looks pretty good, IMO. I would have extended the sleet/rain area to the NJ coast, made the 4 to 6 inch area 4 to 7 inches, and also connected the two areas in PA and interiro southern New Englad (as I think the NE PA, NW NJ and SE NY areas in between the max accum areas on his map will also get 4 to 7 inches of snow).

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12 Z ECM Text output for selected areas..

ABE

SAT 06Z 21-JAN -3.0 -7.9 1024 47 100 0.01 553 534

SAT 12Z 21-JAN -4.6 -5.0 1019 90 99 0.27 553 538

SAT 18Z 21-JAN -1.7 -2.3 1017 87 83 0.21 554 541

All snow .49 QPF

KPHL

SAT 12Z 21-JAN -1.1 -1.1 1017 91 94 0.20 556 543

SAT 18Z 21-JAN 0.6 0.7 1015 93 93 0.20 556 545

SUN 00Z 22-JAN -2.8 -0.6 1021 90 30 0.01 559 542

.41 total QPF All snow/sleet

KRDG

SAT 06Z 21-JAN -2.5 -6.6 1023 50 98 0.02 554 536

SAT 12Z 21-JAN -3.9 -3.4 1018 88 99 0.28 554 539

SAT 18Z 21-JAN -1.1 -1.5 1016 86 85 0.18 554 541

.48 total all snow

KNYC

SAT 12Z 21-JAN -0.5 -6.8 1020 83 97 0.20 553 537

SAT 18Z 21-JAN -0.9 -1.0 1016 91 96 0.29 554 541

SUN 00Z 22-JAN -4.1 -2.8 1022 86 8 0.03 556 539

.52 total all snow

KAVP

SAT 06Z 21-JAN -5.4 -10.0 1023 56 100 0.02 551 532

SAT 12Z 21-JAN -6.4 -7.3 1020 87 100 0.24 550 535

SAT 18Z 21-JAN -3.0 -4.9 1018 82 52 0.13 551 537

.39 total All snow

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12 Z ECM Text output for selected areas..

ABE

SAT 06Z 21-JAN -3.0 -7.9 1024 47 100 0.01 553 534

SAT 12Z 21-JAN -4.6 -5.0 1019 90 99 0.27 553 538

SAT 18Z 21-JAN -1.7 -2.3 1017 87 83 0.21 554 541

All snow .49 QPF

KPHL

SAT 12Z 21-JAN -1.1 -1.1 1017 91 94 0.20 556 543

SAT 18Z 21-JAN 0.6 0.7 1015 93 93 0.20 556 545

SUN 00Z 22-JAN -2.8 -0.6 1021 90 30 0.01 559 542

.41 total QPF All snow/sleet

KRDG

SAT 06Z 21-JAN -2.5 -6.6 1023 50 98 0.02 554 536

SAT 12Z 21-JAN -3.9 -3.4 1018 88 99 0.28 554 539

SAT 18Z 21-JAN -1.1 -1.5 1016 86 85 0.18 554 541

.48 total all snow

KNYC

SAT 12Z 21-JAN -0.5 -6.8 1020 83 97 0.20 553 537

SAT 18Z 21-JAN -0.9 -1.0 1016 91 96 0.29 554 541

SUN 00Z 22-JAN -4.1 -2.8 1022 86 8 0.03 556 539

.52 total all snow

KAVP

SAT 06Z 21-JAN -5.4 -10.0 1023 56 100 0.02 551 532

SAT 12Z 21-JAN -6.4 -7.3 1020 87 100 0.24 550 535

SAT 18Z 21-JAN -3.0 -4.9 1018 82 52 0.13 551 537

.39 total All snow

thanks for posting.

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Waking up (though hopefully I'll get some more sleep soon) to see the GFS and NAM warmer and the EC wetter. Which essentially means that for Trenton the forecast got harder. If you believe the NAM then its only an inch or two before the changeover... while the EC would argure 4-6.

I guess that means I'll keep the 2-4 idea from yesterday... nervous it could end up on either side of that though.

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