Hurricane Agnes

if you are not suddenly under a dry slot!

It's not a matter of eventually scouring out the ambient cold air, it's the solid ground and surfaces (including concrete and metal) that have been sitting in single digits and low 10s for a long time - i.e., initial liquid would freeze on contact unless the temp warmed up into the 40s for a bit before onset (where onset is supposed to happen late this afternoon and overnight with temps near or below freezing depending on where you live). I'm not expecting any significant "icing" per se but just that there might be some initial coating - although any snow that covers those surfaces first may mitigate it too. Edit to add - those poor folks in the central and western Carolinas are the ones who are going to have an ice storm extraordinaire.

Am currently "up to" 16 with dp finally above 0 at 6. Despite the sky filled with a deck of cirrus, there is still sun shining through it.

That's my thought as well. Any type of liquid precip would freeze on contact on untreated surfaces (like a car for instance) and it would take some time for "warm" rain to melt that. Nothing worse than having a layer of water on top of ice (unless you like following a zamboni).

WPC's latest -

Looks like my bottom was 9 (8.6) and am now on the upswing. Currently sunny and 11 with dp on the rise as well at -1.

It's been awhile but am down into the single digits (and the wind hasn't gone calm overnight either). Low so far this morning has been 9 and am currently 9 with dp -2. Hopefully that will take out any stinkbugs and lanternflies!

Mt. Holly expanded the WWA into Philly and some areas east (into Bucks and Mercer/Somerset Counties NJ) with the early morning update -

Mt. Holly's 5 pm hazards -

Full Wolf moon coming up. 18z Euro gives a little something...

I actually made it up to 22 as a high today and I just saw this cool tweet from Mt. Holly - I was looking at a graph of my barometric pressure from my Ambient and there is a little ripple appearing on the plot (attached snapshot of my weewx plot taken at 4:10 pm EST). Otherwise it's currently mostly cloudy and 20 with dp -4 (and yes, I had to pull out the humidifier in the bedroom and it's on - humidity there has risen now from 25% to 35%, which is much better. My front bedroom is 20% and the basement is 12% (I do have stuff overwintering down there under T5 lights and different spectrums of LEDs but gotta get back to that - I have a portable humidifier down there too if necessary but haven't needed to use it in a few years).

WSWs, WWAs , Wind Advisories are up around the CWA -

Mine go in the dryer! But then I wear sweats most of the time anyway. I have a humidifier in my bedroom that I haven't really needed to turn on since I have one of those "bigger" ones on the first floor near a wide central air intake that flows past the bedroom but my bedroom is registering 26% humidity and that is a no-go (the first floor had dropped down to 29%). Luckily my floors are wood laminate and the only "wall to wall" carpet is on the steps to the 2nd floor (and basement). Otherwise I would be showing up on a radar as convection! I'm now up to 17 but that dp has settled in the -7 range pretty consistently now.

Looks like I bottomed out at 12 but my dp has continued to go down (so far the lowest was -7). Currently mostly sunny and "up to" 14 with dp -6. Time to boil some sweet potatoes (or something) because the humidifiers are no match!

Temp this morning is down to 14 and the dp did the dive and is -2.

Mt. Holly's (post-) 5pm call -

Temp has been dropping steadily after a high of 44 earlier today. Now down to 28 - but the big story is the dp that got up to 34 earlier this afternoon and has now crashed to 16. I expect the dp will be near or even below 0 sometime tomorrow (or at least sometime this weekend).

Ukie went all in to the west (I don't think the storm is going to go that far west but it will depending on the digging trough for where it will go).

As clarification, "move east" compared to most of the other guidance the past couple days that had it much further inland. The 6z Euro is still running it mostly inland.

6z GEFS shows a move east...

Mt. Holly's initial thoughts yesterday afternoon - And WPC's take -

Made it up to 48 here as a high and with some high clouds that were around on and off most of the day, it's currently 41 with dp 28.

It's just coming into range on the last panel.

LOL he's crying in his beer too after he laughed at the GFS losing the hoochie mama storm and has now joined him.

As a note about this storm regardless of p-type, the full moon is Monday so the tides will be running high and any winds that mixed down can exacerbate flooding along the coast and other waterways. Could be a LV "drought buster" (although it looks like it is a fast mover). Here was Mt. Holly's take last evening - WPC yesterday -