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WxWatcher007

Hurricane Isaías

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1 minute ago, stormtracker said:

Somebody needs to tell LWX

 

.NEAR TERM /THROUGH TUESDAY/...
Multiple bands of showers and strong thunderstorms have
developed south of I-66 and along and east of I-81. Hail and
damaging winds, along with flooding rainfall, will be the main
concerns through the remainder of the afternoon. This activity
will slide northward but then should be joined by additional
convection from a PRE (Precursor Rain Event) well ahead of
Isaias this evening. Isolated incidences of flooding will be the
main concern as we transition into the evening.

This is the precursor to the predecessor.

  • Haha 11

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Straight from the horse's mouth (Lance Bosart of Albany via the MAP mailing list)

"As Isaias accelerates north-northeastward after landfall in the Carolinas the northern part of its rain shield will attempt to merge with the southern end of a separate rain area near the central Appalachians. This separate rain area, which has some elements of a predecessor rain event, is associated with weak warm-air advection in the equatorward entrance region of a strengthening jet streak. The absence of an antecedent cool high over eastern Canada has limited the magnitude of the lower tropospheric thermal gradient across the Northeast and the potential for significant warm-air advection well in advance of TS Isaias."

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I remember Gloria 85' as a kid in Baltimore . It was a very quick hitter on the east side of Baltimore.  Probably 6 hours tops and done but awesome flash flooding occurred near my house down at Herring run park . I believe 4-6 inches fell in that time . Numerous trees and brown mud almost destroyed the bridge on Sinclair lane and Shannon Dr.

I think that area might eclipse those amounts .

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11 minutes ago, WxWatcher007 said:

Predecessor Rain Event (PRE) 

:P 

 

5 minutes ago, stormtracker said:

Somebody needs to tell LWX

Ah c'mon, Beethoven! Ya should've spotted their error :lol:

 

12 minutes ago, WxWatcher007 said:

Predecessor Rain Event (PRE) 

:P 

That does sound more human since the storms are named...thanks!

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8 minutes ago, stormtracker said:

Somebody needs to tell LWX

 

.NEAR TERM /THROUGH TUESDAY/...
Multiple bands of showers and strong thunderstorms have
developed south of I-66 and along and east of I-81. Hail and
damaging winds, along with flooding rainfall, will be the main
concerns through the remainder of the afternoon. This activity
will slide northward but then should be joined by additional
convection from a PRE (Precursor Rain Event) well ahead of
Isaias this evening. Isolated incidences of flooding will be the
main concern as we transition into the evening.

Haha that's great. 

6 minutes ago, The Dude said:

This is the precursor to the predecessor.

Sounds like it! lol

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Had one of those, where am I moments, what’s going on , I work in a windowless basement in a nondescript government building.  Entering work at 830 sunny with lots of blue sky, came out of work to dark foreboding clouds, thick humidity that you could cut with a knife and rumbles of Thunder and spitting rain.  Pretty cool!  Driving home on the GW parkway pouring rain, giant puddles.  Good times.

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15 minutes ago, losetoa6 said:

I remember Gloria 85' as a kid in Baltimore . It was a very quick hitter on the east side of Baltimore.  Probably 6 hours tops and done but awesome flash flooding occurred near my house down at Herring run park . I believe 4-6 inches fell in that time . Numerous trees and brown mud almost destroyed the bridge on Sinclair lane and Shannon Dr.

I think that area might eclipse those amounts .

Gloria had very little time left to turn when it did or DC would have been harmed greatly 

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4 minutes ago, AmericanWxFreak said:

1.5" already here just SE of Columbia 

Wow. Neighborhood PWS has 0.3”! But it has been low at times.

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6:20 update has it at 989.2 - while we are waiting for recon to arrive - that's probably the best estimate of central pressure right now. Pretty nice considering the last recon dropsonde was 997 earlier today. 

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This thing still has some time over water too...a little more time to juice up just a bit more. Will be very interesting to get the plane in there and figure out how well defined this is. Having it be within 88D range has been great. 

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7 minutes ago, Kmlwx said:

Look down near Richmond at the next surge of rain coming up. Going to be a water logged night it looks like. 

It's a lot of rain with thunder.

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Would expect a narrow band of 4-6 inch rainfalls and with the most likely track considered, that narrow band could end up being quite close to the I-95 corridor. Any concern about damaging wind gusts in the northwest flow behind the departing center? Would predict G45-50 kts in the DC area.

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