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The March 6 Storm- The (last) Great White Hope


stormtracker

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in case anyone is wondering what 2/6/10 and 2/10/10 5h maps looked like, check out the month of 2/10 from St. Jose Univ. site

kudos to Ian, who I believe posted this while crying into his beer in 2/11 while NE was getting crushed (OK, I added the tears and the beer part)

http://www.met.sjsu.edu/weather/archive/GFS_NA/0210/500/animate.htm

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  On 3/3/2013 at 2:04 AM, clskinsfan said:

Wow those analogs are enormous. We need that block to stay right where it is now. We dont want that 500 going a lot further north.

SR models will have a tendency go a little nuts amping at the end of their runs. Zero reason to be remotely concerned until the globals do it. Were still at least a day away from worrying about nam/sref.

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  On 3/3/2013 at 2:07 AM, MN Transplant said:

Neither are interesting.  #4 is 2-4-95 which was a 4.5" storm at DCA.

that started as rain at BWI but quickly turned to snow

man I wish we had some cold air to tap

maybe some of that -60F stuff that's over the Pole right now makes it here in time!    :weenie:

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  On 3/3/2013 at 2:08 AM, Amped said:

um 21z SREF  turns us to rain.  Probably a back end dump if they went out past 84

all the models have rain along I95 for at least part of the storm, so I don't think that really changes any thinking re the storm

we need some cold air or this will be the most anticlimactic heavy rain/snow mix ever to fall in our area

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  On 3/3/2013 at 2:12 AM, mitchnick said:

all the models have rain along I95 for at least part of the storm, so I don't think that really changes any thinking re the storm

we need some cold air or this will be the most anticlimactic heavy rain/snow mix ever to fall in our area

 

Srefs changed me to rain and I am 1hour northwest of I95. Stronger H5 low tracking further north is probably aiding this. A back end dump will be hard to miss because the H5 low still goes south of us.

 

Based on the srefs I'd also say suppressed like last nights GFS is off the table. 

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  On 3/3/2013 at 2:21 AM, NOVAForecaster said:
SNE Weather Coverage ‏@SNEWeather

00z Nam has errors according to model diagnostics.. a lot of them. Probably will not be worth looking at.

lol    we could have said that a lot this year and been right more times than not

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Was thinking 2/10/10 a bit earlier as well tho that vort entered quite a bit east I think. Good to see some fun CIPS analogs. Now we hope and pray it holds another 24 or so. La la lock it up.

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  On 3/3/2013 at 2:21 AM, chris87 said:

a kitten dies every time a weenie uses the 87hr SREF mean to forecast p-type :axe:

I'm a major weenie but I do stick to a set if rules when making sense of a zillion pieces of model info leading up. We aren't even at the point of looking past global ens means. Using end of run Sref/nam at this range for deterministic stuff will make a sane person insane.

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  On 3/3/2013 at 2:21 AM, NOVAForecaster said:
SNE Weather Coverage ‏@SNEWeather

00z Nam has errors according to model diagnostics.. a lot of them. Probably will not be worth looking at.

If there are any errors it will be posted either in these 2 links:

http://www.nws.noaa.gov/view/validProds.php?prod=adm&node=kwno

http://www.wpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=pmdhmd

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  On 3/3/2013 at 2:28 AM, stormtracker said:

All I can find is the discussion at 225pm.  

 

This is it really

 

SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGENWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD0135Z SUN MAR 03 2013THE 00Z NCEP MODEL PRODUCTION STARTED ON TIME.00Z NAM RAOB RECAP...72558/OAX - GROUND EQUIPMENT FAILURE...1014276654/MZL - GROUND EQUIPMENT FAILURE...1014291765/PPG - GROUND EQUIPMENT FAILURE...1014278016/BDA - PART B IS MISSING91334/TKK - PART B IS MISSING04339/OBY - DELETED ALL WINDS...ERRATICHANDEL/SDM/NCO/NCEP
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  On 3/3/2013 at 2:31 AM, yoda said:

This is it really

 

SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGENWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD0135Z SUN MAR 03 2013THE 00Z NCEP MODEL PRODUCTION STARTED ON TIME.00Z NAM RAOB RECAP...72558/OAX - GROUND EQUIPMENT FAILURE...1014276654/MZL - GROUND EQUIPMENT FAILURE...1014291765/PPG - GROUND EQUIPMENT FAILURE...1014278016/BDA - PART B IS MISSING91334/TKK - PART B IS MISSING04339/OBY - DELETED ALL WINDS...ERRATICHANDEL/SDM/NCO/NCEP

maybe dtk can answer, when there is model data missing, how do the models compensate? Just smooth out based on interpolations of good data, or do they take the 6hr forecast from the previous run in to account?

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  On 3/3/2013 at 2:28 AM, Bob Chill said:

I'm a major weenie but I do stick to a set if rules when making sense of a zillion pieces of model info leading up. We aren't even at the point of looking past global ens means. Using end of run Sref/nam at this range for deterministic stuff will make a sane person insane.

You are talking about people who will look at a 200 hour map and debate the soundings for three hours and then declare the storm a bust.

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