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2013 Mt. Holly CWA Convection Thread


SouthernNJ

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Got the warning..

 

944 
WUUS51 KPHI 290518
SVRPHI
DEC003-NJC015-033-PAC045-290600-
/O.NEW.KPHI.SV.W.0084.130729T0518Z-130729T0600Z/
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
118 AM EDT MON JUL 29 2013
 
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
 
* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
  NORTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
  NORTHWESTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
 
* UNTIL 200 AM EDT
 
* AT 116 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR EDGEMOOR...MOVING EAST AT
  30 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. 
 
* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ARDEN AND CHELSEA AROUND 125 AM EDT...
  BECKETT AND CHESTER AROUND 135 AM EDT...
  SWEDESBORO AND SWARTHMORE AROUND 140 AM EDT...
  GIBBSTOWN AND PHILADELPHIA INTERNATIONAL ARPT AROUND 145 AM EDT...
  PAULSBORO AND MULLICA HILL AROUND 150 AM EDT...
  WEST DEPTFORD AROUND 155 AM EDT...
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...
 
SEVERE THUNDERSTORMS PRODUCE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.
 
&&
 
LAT...LON 3984 7560 3987 7559 3992 7525 3988 7526
      3987 7520 3969 7513 3965 7554 3969 7552
      3969 7553 3965 7557 3968 7560 3983 7564
TIME...MOT...LOC 0518Z 257DEG 24KT 3975 7551
 
$$
 
IOVINO
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Watching this storm now with GRAnalyst 2.. There is some rotation with this storm.  Anyone in the path of these storms, would not be surprised if an tornado could from these storms.  That rotation would be over Wilmington and western Salem county.  

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Already hearing thunder at my location.  

 

 

Just add a little to this post here.  The lightning looks very impressive.  Wonder if I'll lost power with these storms.  Had some issues later today with the power flickering off and on and then out.  But back on.  

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Coming out of Williamstown, going to Woodbury, structure looks awesome with this thing during lightning flashes.

Sent from my iPhone 2

 

I'll tell you what, this year I have witnessed 3 different mesocyclones with pretty decent structure. After witnessing pretty strong inflow associated with the meso last Monday in the Mount Laurel area around 8pm, I got another opportunity yesterday in Mercer County. A decent transient supercell structure maxed out right over the county and we were heading south. There was a very well defined W.E.R/clear slot (like last Monday) with observed inflow and rotation. The inflow yesterday wasn't as strong as Monday's inflow but the structure yesterday was amazing (a lot of twisting scud / lowerings but no well defined wall cloud).

 

Very strange convective season for sure...a sign of our very warm/wet summers as of late.

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Only 84 Severe Thunderstorm Warnings so far heading into August.

The lowest total to that point since 1999, which had that horrific drought.

We have had very few organized threats this year, far different to the

last couple which had numerous MCS-type features crossing the CWA.

There have been an abundant amount of thunderstorms, but mostly

pulse nature and slow moving, which in turn has led to an unusually

high amount of Flash Flooding.  Tornadoes have also been missing,

with just 1 so far and only 20 since 2005.  From 2002 to 2004, by contrast,

there were 18 tornadoes in the CWA.  In fact, it was 4 years ago today

that our most recent tornado to track more than 5 miles occurred (as well

as the most recent to be rated above EF-1), up in Sussex County NJ.

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Not surprised if we get more flash flood watches come thursday...summer of localized and urban flooding rolls on

 

1.75" in the NW burbs on the 0z NAM

 

Might want to watch out for naders too (if the NAM's helicity progs verify, AND we end up with pockets of enough instability): 

 

NAM_221_2013073100_F42_HLCY_3000_M_ABOVE

 

NAM_221_2013073100_F42_HLCY_1000_M_ABOVE

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