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Central PA Sandy Obs


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I'm with Eastern...hardly any wind here for the past hour or so, yet you guys are getting wicked gusts, and Allentown reported a 70 mph gust a short time ago. I can't figure it out. Especially since up to the time I got home from work, the winds WERE ripping pretty good here.

I am with you also? Still no wind to really talk about in Elysburg. ( Not that that is a bad thing, just confused how we can be surounded by high winds?)

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I have been streaming TWC on laptop and have flipped through news on TV... WGAL keeps mentioning that since rain has ended the winds will not mix down to the surface... that def is not happening here or east with some obs... wind def still strong

Yea, that's something i'll be curious to see what happens as we lose the heaviest rainfall in the next couple hours. It's likely we'll be filling in a bit as the center moves into PA, but probably won't be as heavy as this initial blast has been. Already see some continued banding as lower topped echoes come closer to the CCX radar from the NE though. The processes involved with this now officially becoming extratropical might help continued tap down of the winds. Center just came onshore near Atlantic City. Keep us posted on the winds in the east.

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We just got a pretty fierce gust that shook the house and lost a few more big branches from our big old maple in the yard. Eastern and others without gusts, this reminds me of Isabel. My brother in Manchester got hardly any wind and his mother in law down below Red Lion had to have people chainsaw trees off her road.

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We are seeing very strong winds to the north and northeast side of the center. Reports of gusts near 80 mph are frequent around NYC. Even 70 mph in Allentown. This leads me to believe that the worst is yet to come for our north and west areas. That may explain why wmpstwx got the sudden increase.

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My Davis station back in Linglestown just had a gust to 47mph. It is extremely sheltered and runs about 15-20mph too low in high wind events. My previous high on the station was 39mph since 2007, so you can see this is quite impressive. Parents reporting the home just keeps shaking.

Thanks for this. I'd love to know MDT's (no doubt underplayed) gust. Those two where vicious. Had to be mid-60s.

Jesus and another. No sleep tonight if this keeps up, too worried about collateral damage.

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Really Channel 8 wgal is showing the voice instead of the good wx and news they normaly do when everyone else is sticking with news. The Voice really does anyone watch that.

its because they said the worst was over... so they cut away from the live coverage... while power outages around the region continue to climb...

just braved the wind to check the rain guage... 2.90" since 7am so far

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Thanks for this. I'd love to know MDT's (no doubt underplayed) gust. Those two where vicious. Had to be mid-60s.

Jesus and another. No sleep tonight if this keeps up, too worried about collateral damage.

KMDT reported winds are suspect because there is a levy between the ASOS and the river... I agree that what they are reporting is not what we are actually seeing

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can a met chime in with their opinion of what we can expect in the lower susq valley now through morning?

8:00pm Monday update:

Sandy made landfall near Ocean City, NJ this evening with an incredibly low central pressure of 940mb. The storm has just been downgraded from a Hurricane to a post-tropical low pressure system...essentially a REALLY strong Nor'easter. The pressure is now up to 946mb, and it will continue to increase overnight as the storm fills during its trek west near/along the Mason-Dixon Line. The center of circulation will pass across southern Lancaster county soon after midnight--MU meteorology students plan to launch an experimental weather balloon/radiosonde at this time!--so watch your barometer the next few hours and you'll likely see the lowest pressure reading of your life!

The worst of the rainfall is past. As with most landfalling tropical systems, dry air is wrapping around the storm and the heaviest rain has ended here. Total rainfall so far ranges from nearly 5.0" near the Mason-Dixon Line...to 3.25" at Millersville and Lancaster City....to just over 2 inches near the Lebanon county border. Intermittent rain tonight and Tuesday should drop only an additional inch or less, so severe flooding is unlikely--the Susquehanna River won't even reach flood stage! So as expected, wind is the greatest impact here with gusts to 50 mph recorded the last few hours...and additional gusts to 50 or 60 mph are possible overnight. However, the general trend will be for decreasing winds late tonight and Tuesday as Sandy's pressure gradient weakens. Scattered showers Tuesday may yield to peeks of sunshine with winds between 15 - 30mph. One interesting note on the wind--while the direction has been from the North all day, it will make a shift out of the South/Southeast later tonight as the remnant center moves by us.

http://snowball.millersville.edu/~cws/SpecialWeatherDiscussion.html

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Folks who remain north of the 850/925 center will get it the worst tonight as a surface-based MAUL (Moist Absolutely Unstable Layer) develops. That should allow very efficient transport of momentum to the surface, especially if precip is falling. It looks like along and north of the I-80 corridor for that.

Here's what I'm talking about:

post-175-0-66974200-1351558539_thumb.png

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