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3/10-3/11 Storm


Thunder Road

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Radar not looking to impressive. Currently precipitation shield is more broken up then solid.

The southern moisture associated with the t-storm complex is running off the coast. I gather that the front itself will have at least a couple lows form along it and organize precip. Otherwise, you are correct that it looks disorganized at this time. Plenty of time to get its act together.

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Radar not looking to impressive. Currently precipitation shield is more broken up then solid.

Not all that surprising so far as the low-level southeasterly jet ramps up later tonight with increasing WAA. This along with incoming stronger lift and convergence will allow the precipitation to develop and expand especially on Thursday.

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Now you had to know that someone was going to post it. It happens with every storm.

They're doing the same thing in the NYC thread too. I get that not a lot of people like rain storms, but lets not downplay it like this is only going to be some nuisance rainstorm. IF everything comes together as modeled, a lot of people in the Delaware Valley are going to have major issues come tomorrow and Friday. Now I'm just talking in general, so don't everybody get all jumpy, lol.

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Text soundings at KMMU down to 3.03" instead of 3.80". You can see why now looking at e-wall the soundings were coming back higher than the NCEP QPF graphics were indicating. That second little maxima shifted just a few miles west of Morristown on this run. Still think 2-4" of rain looks like a good forecast for the Passaic River basin.

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EXCESSIVE RAINFALL DISCUSSION

NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD

930 PM EST WED MAR 09 2011

...VALID 03Z THU MAR 10 2011 - 00Z FRI MAR 11 2011...

...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL...

UPDATE...

THE PREVIOUS EXCESSIVE RAINFALL POTENTIAL OUTLOOK WAS DECREASED ON

THE SRN EDGE ALONG THE SRN APPALACHIANS..WITH THE THREAT REGION

CONFINED ACRS THE MID ATL WHERE FFG VALUES ARE LOWEST. PCPN THIS

EVENING IS SOMEWHAT DISRUPTED IN THE WAKE OF THE CONVECTIVE SQUALL

LINE THAT HAS PUSHED ACRS THE SOUTH AND INTO FL. HOWEVER...PCPN

SHOULD BEGIN TO BECOME MORE ORGANIZED OVERNIGHT AHEAD OF THE

INCREASINGLY NEGATIVELY TILTED TROF PUSHING INTO THE LOWER MS

VALLEY AND TN VALLEY TONIGHT INTO THU. AN AXIS OF ANOMALOUS

MOISTURE FLUX VALUES...2 TO 3 STD ABOVE THE MEAN...EXPECTED TO

PUSH SLOWLY EWD AHEAD OF THESE HT FALLS ALONG A LARGE PORTION OF

THE ERN SEABOARD ON THU. THIS FAVORABLE RT ENTRANCE REGION JET

DYNAMICS...INCREASINGLY STRONG BNDRY LAYER CONVERGENCE ALONG AND

AHEAD OF THE DEEPENING SFC LOW OVR THE MID ATL AND POTENTIAL FOR

SLOW MOVEMENT AND/OR TRAINING OF PCPN ALONG THE STRONG BNDRY LAYER

CONVERGENCE AXIS WL SUPPORT WIDESPREAD HVY RAINFALL

POTENTIAL...WITH GENERAL MODEL AGRMNT ON 1-2"+ AMTS. WITH SOILS

SATURATED FROM RECENT RAIN AND SNOW MELT...RUNOFF ISSUES ARE

LIKELY ACRS THE MID ATL.

ORAVEC

post-1201-0-35710500-1299726783.gif

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The Susquehanna River is expected to crest at 31 feet in Wilkes-Barre saturday morning. That's in the major flood stage level. Levees are 41feet high but as they say here in the valley up da line and down da line, many communities (like mine in Pittston) don't have the levee system. Watch out Shickshinny and Pittston.

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That's some pretty nasty looking stuff in VA...headed right towards the Delaware River. :yikes:

And there's the front starting to set up, and moisture is starting to stream north along it. Like I was saying to the people saying this looks unimpressive, it hasn't even begun yet.

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