Greg

Nice!

I meant based on it's redevelopment along the coastline. What you guys want to see is the primary jet out of Colorado and die in western PA, not southeastern Ohio/West Virginia. The reflection then should develop further over the southeastern Delmarva. That's what you want to see.

Get this sucker just about 80 miles north and we're in business.

Eastern Southern New England

Not bad here we're I am. Have almost 2" so far.

Finally really looking like winter now.

Just under of 4.0" here.

At least it finally really looks like Winter in late January here. About time!

Good storm so far... Had about 2" on the deck by 7:50PM. We'll see how much we end with. Snowing at a good clip.

It's all good. It's just a discussion, not an argument. It's all good.

I never said it inflates the snow by large amounts, no. 12 Hour storms, not a big deal at all to have any significance. Usually, I start to see the discrepancies at 24 Hours duration storms and beyond. Which are of course are somewhat rare in itself.

Snowing nicely since 4:30 PM here.

That IAD is a combination of elevation 313 Feet and 6 hour measuring technique. I heard some rumors, not entirely sure if there true, that others measured every 3 hours and wiped off the board but I'm not even going to go there. When that happens, usually but not all the time, the Weather Bureau comes in and corrects the measuring error.

I'm not trying to state that. What you said is totally correct. Try to measure the snow a little before it ends if you can and if the snow ends before your original observation time then give that amount to the Weather Bureau. No problem. You said everything right.

Do you really think I'm the only weather observer that measures every 24 hours? There are many others not to mention COOPS that do this. Airports are in another a World of their own. Other weather spotters do measure every 6 hours like you do. This creates a discrepancy in storm totals. This is why there is ambiguity when it comes to snowfall measuring techniques.

I said only in that particular situation not others, such as a straight start to finish snowstorms. Doesn't matter whether the snow is wet, fluffy, or normal ratio... (Mic Drop)

I would record that data which is fine in that particular situation. But you won't have much left to show for it. This is where problems occurs, someone will actually get 6" that stays while your 6" will be down to about 1" at observation time.

What you just stated is correct in that particular situation. You may have received a total what ever that may have been and you can record that. However, as you alluded to you only have about 3" or so left over. True that's a depth but if you put down the total and only have 3" left over it will look pretty strange on a report where someone actually have the total you reported and has a simliar amount left on the ground verses you blown off or beaten down amount left over. There are examples of this in the COOP Data.

By altering what would have naturally settled given the ding conditions, you are therefore manipulating it. The temperature analogy is not a really good analogy to this particular situation. You can give a high and low temp/day, that's fine.

One problem though, they both are not one in the same, therefore not consistent. One is more natural observation, the other is more manipulative.

This has nothing to do with Road Crews Ray. This has to do with science/Meteorology. It's called Observing mother nature not how much a plow operator is going to get paid or manipulating the snow to see what would have been had it never settled naturally.

Unfortunately, it inflates totals. We've all discussed this on the board many times about the two methods before. Even the KU Book corrects the data sometimes for this. Makes the data sets sort of screwy.

Always remember, it also depends on how it was measured. Use the 6 hour wipe off the board method, you get about 22". Use the COOP 24 Hour method, you get 17.8". Simple as that.

No, I mean it. During the 2016 storm the models had DC proper in a similar situation where they reported just shy of 18" there.) But just a mere hope, skip, and jump to the west/northwest of them they got 26"-36" with elevation. Watch, you'll see.