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Central Pennsylvania Late Summer-Fall 2013


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Drier than last run it looks like but, still no where near the GFS. GFS is all on it's own. IDK about the euro this run though bomb this thing to 972 southeast of Nova Scotia. At this point all I would say is looks wet over the southeast part of the state and could be very wet depending on exactly how this sets up. 

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HPC going non NCEP compromise. 

 

...MID-LEVEL CYCLONE MOVING THROUGH THE SOUTHEAST...
...POST-TROPICAL REMNANT OF KAREN...
...SURFACE LOW DEVELOPING NEAR BERMUDA...

PREFERENCE: 12Z ECMWF/12Z UKMET/12Z GEM GLOBAL COMPROMISE
CONFIDENCE: AVERAGE

ENERGY FROM THE BASE OF THE CURRENT SOUTHERN STREAM TROUGH MOVING
EAST ALONG THE GULF COAST IS AGAIN EXPECTED TO BE LEFT BEHIND IN
THE WAKE OF THE EXITING NEG-TILTED TROUGH OVER THE LOWER GREAT
LAKES AND UPPER OH VLY REGION WHICH IS EXPECTED TO LIFT
PROGRESSIVELY INTO SOUTHEAST CANADA. THE MODELS STRONGLY SUGGEST A
MID-LEVEL RIDGE WILL THEN BUILD ACROSS THE GREAT LAKES AND NEW
ENGLAND BY LATE TUESDAY AND STRENGTHEN THROUGH WEDNESDAY. AT THE
SURFACE...THE POST-TROPICAL REMNANT OF KAREN WILL MOVE ACROSS THE
FL PENINSULA TODAY AND EMERGE OFF THE SOUTHEAST COAST ON TUESDAY.
IT IS EXPECTED OVER THE NEXT FEW DAYS THAT THE REMNANTS OF KAREN
WILL MERGE TO SOME DEGREE WITH AN AREA OF LOW PRESSURE INITIALLY
SOUTH AND THEN WEST OF BERMUDA BY LATER WEDNESDAY AND ESPECIALLY
THURSDAY. ALL THE WHILE...THE AFOREMENTIONED SOUTHERN STREAM
ENERGY SHOULD LIFT NORTHEAST UP INTO THE MID-ATLANTIC COASTAL
PLAIN. THE RESULT WILL BE AT LEAST A VERY BROAD AREA OF LOW
PRESSURE OFF THE MID-ATLANTIC COAST THURSDAY BETWEEN EASTERN NC
AND BERMUDA.

MOST OF THE MODELS SUPPORT THIS IDEA BUT THERE ARE DIFFS INVOLVING
THE LATITUDE AND INTENSITY OF THE MERGED LOW PRESSURE AREA. THE
12Z NAM ATTAINS MORE LATITUDE THAN ANY OTHER MODEL WITH THE
SURFACE LOW PRESSURE AREA. THE 12Z ECMWF REMAINS FARTHEST SOUTH
AND APPEARS TO BE THE WEAKEST. THE 12Z UKMET AND 12Z GEM GLOBAL
SPLIT THE DIFF LATITUDINALLY...BUT HAVE TRENDED FARTHER WEST AND
TUCK THEIR SURFACE LOWS MUCH CLOSER INTO THE OUTER BANKS OF NC ON
THURSDAY. THE UKMET...GEM GLOBAL AND TO A LESSER EXTENT THE ECMWF
HAVE TRENDED STRONGER. THE 12Z GFS IS A LITTLE NORTHEAST OF THE
UKMET/GEM GLOBAL CLUSTER...BUT AT VARIOUS TIMESTAMPS APPEARS TO BE
SUFFERING FROM SOME CONVECTIVE FEEDBACK. THERE ARE A NUMBER OF 12Z
GEFS MEMBERS SUPPORTING THE UKMET/GEM GLOBAL CAMP ALONG WITH THE
DETERMINISTIC GFS. THE 00Z ECENS MEAN STILL SUPPORTS THE
DETERMINISTIC ECMWF. WILL LEAN TWD A NON-NCEP CONSENSUS ATTM
ACCOUNTING FOR THE LATEST TRENDS.

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UNV isn't even showing a chance of rain for the rest of the week.

 

Rapid City, SD office wasn't even predicting snow till like 2-3 days out. They'll come around. I think the SC SE areas stand the best chance. NAM getting back on track. With the H5 look it is going to get interesting for someone. 

 

This is a pretty strange setup that's for sure. 

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At this range, I believe people are over analyzing the specifics of the American and foreign computer model guidance too seriously.  We can infer with a greater than 70% certainty that a prolonged period of unsettled weather will occur starting tomorrow.  This event has the potential to produce flooding rains over southern and eastern portions of Pennsylvania, as most model guidance is pegging areas along and east of a line from I-99 to Route 22 to I-81.  Don't focus of the bulls-eye for QPF, you'll just make yourself sick.

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Based on the NYC forum, torrential rain back through my area (up to 5" over several days) and mod-heavy rain even back to central PA. As I'm looking forward to tailgating this weekend, it's the solution I really don't want. Therefore, count on it occurring. :(

I want it to go away by late Friday, which of course won't happen.

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12z GFS finally looking a bit more like the Euro and sends modest precip into a good portion of PA. And actually, it has a pretty significant slug of rain running up into south central PA. 12z Euro fairly similar to the 0z run. The next couple days definitely look unsettled and dreary overall for most, but we shall see where the heaviest rainfall sets up... as this system has the potential to deliver significant enough rainfall to make meaningful progress towards relieving the short term drought we've been in the last month or so. 

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Down here at Dewey, pretty good wind and rain at the moment, say the gusts are about 30-35. Our hotel is right near the beach and I can see the ocean and it's got some whitecaps, for sure. I understand that our area isn't as prone to coastal flooding (a few blocks up actually is) so that's a good thing. Kind of bummed that we can't take our greyhounds out to the beach but hopefully the storm will move out Friday so we have the weekend.

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Down here at Dewey, pretty good wind and rain at the moment, say the gusts are about 30-35. Our hotel is right near the beach and I can see the ocean and it's got some whitecaps, for sure. I understand that our area isn't as prone to coastal flooding (a few blocks up actually is) so that's a good thing. Kind of bummed that we can't take our greyhounds out to the beach but hopefully the storm will move out Friday so we have the weekend.

i hope you get some beach time with the dogs...

 

not far from where you are, there is a place called Nicks House of Ribs, i highly recomend it. It doesn't matter what you get, Steak, Ribs or Crab Cakes, its awesome..

 

Have fun!

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