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


stormtracker

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Can I STFU to everyone in DC north area? Serious--

 

You guys had 3 KU's in 09-10. Yeah, it's sucked balls since then. So what-- it's snow. We had a couple decent events down my way since then, but nothing to make up for those 10 days. I had 36 inches TOTAL that winter. 

 

Grow up-- I'm sitting on the fringe-- w/luck I can see 8 inches, 4-5 more likely due to ratio and crap. 

 

how much snow have you gottten since January 2011?....I've gotten 5"....you?

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HECS to me is 18"+, term is way overused by some here.

Maybe you should learn climo then. People thinking DC is a lock for 8" are calling for like a top 5 March event all time,
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I assume people will be along to get all over Snowdude for posting the GGEM and mentioning it is showing rain, right? Or is that just mitch who gets that treatment?

Mitch was upset that BWI wasn't getting as much precip as DC and south. All I'm doing is analyzing a model. Isn't that why we're here? I'm not complaining.

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GGEM again has the Low pressure moving into southern VA and sits over Richmond for hours. Most of us go to rain. I-81 special.

 

Starts snowing here at 84 and still snowing at 108. Pretty sure ggem dumps like 20" here. It's always too warm this far out so not worried too much about it's precip type. 

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I still think it will track further north than it has already shifted....not just the precip shield but the storm track...If the ULL can get 50 mi north when it crosses eastern TN and get into that nook in SW VA, It will turn northeast earlier....that is the moneyshot spot for an ULL.....

I'm encouraged by the 0z run because even though the ULL is a little weaker than 18z it doesnt get shoved southeast as easily once it reaches the coast...these nuances aren't going to be worked out for another 36+ hours, but the Euro is going to be more valuable at this point with those details assuming all other things are similar..

For now I like a GFS/GEFS/Euro blend with a lean toward the latter 2....at some point using an ensemble mean loses value, but it totally tipped us off when the GFS was out to lunch earlier....

I think you are exactly right. I could be totally out of my mind here, but I think if you are on the southern edge of any snow bullseye right now you'd better not celebrate.

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this is what makes me chuckle

I've been all over the NAM and SREFs how good they look and most are just blowing them off

then I analyze what I believe the GFS is showing imby and north and I'm a Deb (andloop what I said is a lot closer to being accurate based on whichever clown map you choose than being wrong)

it's silly; I want snow as much as anyone else, but the models show what they show and I have nothing to do with that

the difficulty with the MAR snow is that qpf, regardless of decent 850's, doesn't mean diddly if the bl doesn't cooperate AND if the precip doesn't fall hard enough if bl are a prob, but I know you know that

Tbh- I read your posts differently than many. You've been doing this longer than me and I've been around 7 years or so.

I know exactly where your coming from and I see the same things. It's just too early to worry about rates and totals. This is likely a big precip event. Can hardly argue otherwise for now. All the cities are in the crosshairs ar this point. We can all still get fooked too. But were all close enough to not sweat the details yet. If this gfs run came 3 days ago we would all be doing cartwheels.

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I think you are exactly right. I could be totally out of my mind here, but I think if you are on the southern edge of any snow bullseye right now you'd better not celebrate.

 

there are a lot of adverse things that need to be considered....fortunately I have my expectations set and I am not worried about controlling anyone else's......That said it is pretty likely there will be a swath of 12-18" somewhere and NW VA is as good a place as any to guess where it may be.....

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The GGEM has a really strong mid-level warm nose between 90-102 hours near the I-95 belt...another reason its probably showing rain on the ptype maps...I really wouldn't worry about such a detail though until you are at least 48-60 hours out. Ptype details at this stage take a back seat to just figuring out where the key synoptic features will set up.

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Ggem has crazy qpf but its mostly rain however it's often a bit warm on its surface temps

Do any of the GGEM maps that are available now have T85 plotted? Their 500-1000 thickness is often goofy, probably due to their tendency to overstate the lowest 100mb mean temp (anecdotal/personal observation), but their T85 numbers usually look good. I've yet to find them plotted on a site earlier than 12:30am

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I know you're not but a lot of people see 1" on the model and assume that's great. But if it comes over 24 hours its probably not. Now is not the time to punt or anything but its waaaaay premature to be declaring victory as well.

Absolutely. It's gonna take big rates to get good snows in the lower elevations. This isn't 28F in January when you can squeeze out every drop of moisture as dendrites no matter what the rates are.

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I still think it will track further north than it has already shifted....not just the precip shield but the storm track...If the ULL can get 50 mi north when it crosses eastern TN and get into that nook in SW VA, It will turn northeast earlier....that is the moneyshot spot for an ULL.....

 

I'm encouraged by the 0z run because even though the ULL is a little weaker than 18z it doesnt get shoved southeast as easily once it reaches the coast...these nuances aren't going to be worked out for another 36+ hours, but the Euro is going to be more valuable at this point with those details assuming all other things are similar..

 

For now I like a GFS/GEFS/Euro blend with a lean toward the latter 2....at some point using an ensemble mean loses value, but it totally tipped us off when the GFS was out to lunch earlier....

 

 

Th GEFS are close to this which is probably why they are slightly wetter than 18z....1.5"+ for all of northern VA/DCA

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Absolutely. It's gonna take big rates to get good snows in the lower elevations. This isn't 28F in January when you can squeeze out every drop of moisture as dendrites no matter what the rates are.

 

what did the GEFS look like 84 hours out for Feb 8th for you...were they syncing yet?....I am a bit impressed at this point

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nobody cares....no offense meant...

 

Why? It's a legitimate model. And with the upgrades that have been implemented recently, it may also be close to the Euro in terms of accuracy (time will tell with that one). I think everyone here should care what a possible major model shows from run-to-run.

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Th GEFS are close to this which is probably why they are slightly wetter than 18z....1.5"+ for all of northern VA/DCA

Yep, gefs just adds to the optimism and reinforces the nail biter aspect. Turn the clock back 3 weeks or so and nobody would be going nutz on ptype. Were really fighting a good fight to beat the odds.

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Do any of the GGEM maps that are available now have T85 plotted? Their 500-1000 thickness is often goofy, probably due to their tendency to overstate the lowest 100mb mean temp (anecdotal/personal observation), but their T85 numbers usually look good. I've yet to find them plotted on a site earlier than 12:30am

Nope have to wait for ewall to update. Looking at the surface precip plots seems the ggem stalls the low too far west and so it floods warm air in on the east wind then once that happens the low is dying and never really re cools the profile.

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