Delaware & Lehigh Valley Weather SNJ DE PA
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Nowcasting: Coastal!?

Screen shot 2012-12-26 at 12.26.21 PM

 

- Primary low is beginning to fill and has been slowly over the last few hours as it makes its adjustment to a secondary to the east.  Where this low forms will be key to changeover times and how much wintry weather falls. 

 

- Pressure falls have really took aim towards NC/VA the last few hours with this latest one really showing the drop of 5mb over last 2hrs.  This is telling us that the secondary might pop well to the east of the forecasted position of this low.

 

- This would keep the cold air in longer and the NE winds in longer.

 

-Also the winds were supposed to turn easterly at 1400z and we are now approaching 18z with a strong NE wind still intact.  However signs of easterly winds are showing up in AC.

 

We are going to be watching this closely the next few hours!

Blog started by Mike DeFino , on 146 days ago
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Marcus wild
Is that a derecho in deleware right now on radar?
146 days ago
 
Mikey B
fish storm
146 days ago
 
Brent
MB: It's been freezing rain for the past couple hours here west of Reading.

Went up to 30 degrees here now.
146 days ago
 
Mikey B
wow...surprising....supression=despression
146 days ago
 
tim riggins
Looks like were going to miss the weekend storm also
146 days ago
 
Mikey B
not to mention the huge dryslot
146 days ago
 
Mikey B
get your life preservers and swimmies on.....
146 days ago
 
poconosms1
lots of snow in the poconos.
146 days ago
 
Blue Blaster
Everyone is going to rain. Temps are rapidly rising - up to 41.6 here in Medford. Temps have shot up by more than eight degrees in the last three hours. Get the ark ready and the sooner, the better.
146 days ago
 
Mikey B
rain here in reading pa.....bust potential high
146 days ago
 
Kevin Reilly
all rain here in Media,,,, about .5 of snow and sleet accumulated on all surfaces amazing here go half a mile to the southeast nothing!!
146 days ago
 
Matt
Weather channel is saying that the new low will form near DC, but it seems to be developing near Raleigh, NC. Does that change the impact in terms of what eastern PA gets precipation wise?
146 days ago
 
Matt
Now sleeting heavily near La-Guardia airport
146 days ago
 
bodybuff
want a storm to go coastal with the warm water temps
a south track is a good solution for us
146 days ago
 
bodybuff
snow lover--i think the reason even you are changing to rain is the coastal low is talking over which means the wind direction is turining more northeasterly to easterly. If we hadn't had near record warmth in the last cpl months, and if the water temps were cooler, and if we weren't still in December (warmer water temps) then you would be getting buried in snow. The problem is its still december and with water temps above normal---Even a coastal brings rain well inn from the coast due to warm water temps

Now the good news--Saturday's storm should be ideal for snow because it's way for south..its a good setup as Rob says. Although the qpf may be lower due it being so far south, the precip type will be all snow due to a northerly to northwesterly wind... Again, until the water temps cool down we DO NOT
146 days ago
 
Blue Blaster
35.4 in Medford - Temp has risen 1.4 degrees in the last hour. Rain line is moving to the north and west at a faster rate now. All rain here.
146 days ago
 
snowlover30
Snow has changed to Sleet/Rain here in Northern Lancaster County. Local Mets. nailed it so far. I keep hearing that the storm is farther east than models showed it changed to rain/sleet at projected time.............how is that? Shouldn't there be more cold air associated with the storm now?
146 days ago
 
NKuss947
Snow changed to sleet/rain in Gwynedd, PA.
146 days ago
 
Brett Hansler
http://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=17

LOOKS LIKE SECONDARY IS GONNA TAKE OVER SOON, LOOKS WAY EAST OF MODEL GUIDANCE, DAMN THING IS ALMOST ON THE COAST...
146 days ago
 
Craig
It appears the low is going to be a bit further south than even in ur pic..
146 days ago
 


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