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lrene's Heavy Rain Impacts in PHL 8/29 - 8/31


ptb127

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JBs take on the potential "historic" impact to Atlantic City and the Boardwalk

"The track of Irene on the WRF, through Pamlico sound, then along the coast to Cape May means that the sse facing beach of Atlantic City will take an unprecedented storm surge angle for them. The coast is jutting out far enough so that unlike up the coast, where the storm surge is paralleling the coast till Long Island, which may also have their greatest storm surge ever on Fire Island, the crescent shaped beach facing the way it does may have the water pile in higher than 1944. The 1944 storm, like Belle and Gloria, probably had the western part of the eyewall on shore but the wind turning into the north than northwest saves the day."

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in the AFD Mike (I believe) mentions the possibility of high winds even after Irene lifts away Sunday afternoon. Can these winds produce wind gusts greater or equal to what we see during the brunt of the storm? Will this affect the entire CWA?

During Gloria our strongest winds occurred when the storm was lifting away & the winds shifted to the NW, locally here in Lower Bucks.

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in the AFD Mike (I believe) mentions the possibility of high winds even after Irene lifts away Sunday afternoon. Can these winds produce wind gusts greater or equal to what we see during the brunt of the storm? Will this affect the entire CWA?

Might be as the High builds in and the interaction between the departing Tropical Storm and High winds might be high or higher on the back side.

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Convective fireup near the center- looking much better compared to earlier this morning. Might even be trending a bit west of forecasted track?

I mentioned that on page 39 #777 I also mentioned a few days ago that the late John Hope said that while inland it is moving over sounds and swamps that are warmer then the ocean so a storm could strengthen or maintain strength.

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9z srefs accum precip for the region

f66.gif

track of the storm per 9z sref mean looks like right over cape may maybe scraping the coast

f27.gif

Looking wet and windy for us inlanders. Track seems very locked into right up the NJ Coast. Pretty much a worst case track for this particular sitiuation. Of coarse the one possible saving grace is she is not a Cat 3 as was expected a few days ago. Still a very disruptive if not dangerous event ready to unfold for NJ, NYC, LI. As has been talked about alot by Mt Holly and others Irene's interaction with a strong jet as she moves north could be the wildcard that makes or breaks her overall performance with regards to severity of impacts.

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12z nam shows irene coming onshore around ocnj and going between phl and toms river, nj

I am gonna say it seems like the EURO and NAM have handled this the best so far through-out well short-term NAM but long-term EURO and its path as of the current movement seems to agree with the NAM's forecasting track per 12Z run.

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Tornado watch coming out for DE and NJ

MESOSCALE DISCUSSION 2066

NWS STORM PREDICTION CENTER NORMAN OK

0931 AM CDT SAT AUG 27 2011

AREAS AFFECTED...VA...DE...MD...NJ

CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY

VALID 271431Z - 271500Z

A NEW TORNADO WATCH WILL BE ISSUED VERY SHORTLY FOR PORTIONS OF THE

MID ATLANTIC COASTLINE AND PARTS OF CHESAPEAKE BAY NORTH ACROSS

DELAWARE BAY TO COASTAL NJ. WATCH COORDINATION IS UNDERWAY WITH

LOCAL NWS OFFICES IN THESE AREAS AND THE TORNADO WATCH WILL LIKELY

REMAIN IN EFFECT THROUGH THE DAY AS IRENE TRACKS NWD ALONG THE

IMMEDIATE COAST. REFER TO LATEST NHC DISCUSSIONS AND HURRICANE LOCAL

STATEMENTS FOR ADDITIONAL SHORT-TERM INFORMATION.

..CARBIN.. 08/27/2011

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

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