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June 2013 Observations and Discussions


SACRUS

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storm formed out of nowhere gave one minute of rain here in southern somerset county, the radar shows reds and yellows but nothing coming down now

 

meanwhile given how there were  calls for upper 60s and extreme wetness last week for the end of this week and the weekend it is interesting that in general as we get closer to these events the models back off on the doom and gloom. Friday and Saturday may end up mostly dry with summery conditions and just some scattered afternoon showers if that.

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My main concern for NYC is any of the storms will need go over the water and will probably weaken whatever does come our way.

 

 

That is true -- storm motion is not favorable for us. Might be hard for any surface based convection to take off on the water. We'll see. 

 

For NJ, though, that won't really be an issue. 

 

Though anyway, perhaps as the synoptic boundaries get closer, storm motions will shift a bit more easterly with time -- perhaps making any NYC ish area tornado threat being from a cluster of storms that have localized embedded rotation near a boundary or something. 

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That is true -- storm motion is not favorable for us. Might be hard for any surface based convection to take off on the water. We'll see. 

 

For NJ, though, that won't really be an issue. 

 

Though anyway, perhaps as the synoptic boundaries get closer, storm motions will shift a bit more easterly with time -- perhaps making any NYC ish area tornado threat being from a cluster of storms that have localized embedded rotation near a boundary or something. 

Yea it still need to be monitored, I still think overall our best severe chances are usually when storms come from a slightly northerly direction.

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meanwhile given how there were  calls for upper 60s and extreme wetness last week for the end of this week and the weekend it is interesting that in general as we get closer to these events the models back off on the doom and gloom. Friday and Saturday may end up mostly dry with summery conditions and just some scattered afternoon showers if that.

 

This was the misconception of seeing high QPF totals along the eastern US. Many people are still in Spring time mode, interpreting any forecast totals with stratiform rains rather than scattered convection associated with a summer pattern. Medium range forecasting will always stretch out in a broad field any convective qpf with widespread totals due to their wider scale/grid. It is warranted however if there is an organized tropical system involved, or a robust shortwaves. Troughs aren't the same beast that they are in the cooler months.  Happens time and time again in interpretation, broad QPF fields in the summer usually only verify in scattered or localized areas (not taking into account tropical systems or well developed midlatitude features).

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storm formed out of nowhere gave one minute of rain here in southern somerset county, the radar shows reds and yellows but nothing coming down now

 

meanwhile given how there were  calls for upper 60s and extreme wetness last week for the end of this week and the weekend it is interesting that in general as we get closer to these events the models back off on the doom and gloom. Friday and Saturday may end up mostly dry with summery conditions and just some scattered afternoon showers if that.

We shall see but there was NO HEATWAVE this week...lol ....and no sign of any heatwaves coming...July looking near to below normal from the plains on east

 

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New MD now says a another watch for NYC north is unlikely:

 

mcd1274.gif

MESOSCALE DISCUSSION 1274   NWS STORM PREDICTION CENTER NORMAN OK   0558 PM CDT THU JUN 27 2013   AREAS AFFECTED...PARTS OF SRN NY/LONG ISLAND INTO SRN NEW ENGLAND   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY    VALID 272258Z - 280000Z   PROBABILITY OF WATCH ISSUANCE...20 PERCENT   SUMMARY...ISOLATED SEVERE WIND GUSTS MAY CONTINUE THE NEXT FEW HOURS   ACROSS WW 377 AND INTO ADJACENT AREAS OF SRN NY/LONG ISLAND. THREAT   SHOULD BEGIN TO DIMINISH INTO THE EVENING HOURS AND A NEW WW IS NOT   EXPECTED AT THIS TIME. HOWEVER...CONVECTIVE TRENDS WILL CONTINUE TO   BE MONITORED.   DISCUSSION...CONVECTION ACROSS ERN PA INTO NJ HAS REMAINED LOOSELY   ORGANIZED MAINLY DUE TO PRESENCE OF MCV AND ADEQUATE DEEP LAYER   FLOW. HOWEVER...STORMS HAVE NOT SHOWN SIGNS OF SEVERE   CHARACTERISTICS /EXCEPT IN ISOLATED INSTANCES ACROSS PARTS OF PA/   FOR AT LEAST THE LAST HOUR OR SO. WHILE STORMS MAY BE MAINTAINED AS   THEY TRACK TOWARD THE E/NE INTO A MOIST AND UNSTABLE   ENVIRONMENT...SEVERE THREAT REMAINS QUESTIONABLE. WHILE PARTS OF SRN   NY IN WRN LONG ISLAND HAVE REMAINED UNDER MOSTLY CLEAR TO SCATTERED   CLOUDINESS...MUCH OF THE REST OF SRN NEW ENGLAND HAS HAD CLOUD COVER   TODAY...AND COOLER TEMPERATURES ARE NOTED COMPARED TO THOSE ACROSS   SE PA INTO NJ. ADDITIONALLY...WITH THE LOSS OF DAYTIME HEATING THE   BOUNDARY LAYER WILL BEGIN TO COOL/STABILIZE. SEVERE THREAT APPEARS   TO BE MARGINAL AS STORMS TRACK TOWARD THE NYC METRO AND SRN NY.   THEREFORE...A WW IS NOT EXPECTED DOWNSTREAM OF WW 377 AT THIS   TIME...BUT CONVECTIVE TRENDS WILL CONTINUE TO BE MONITORED.   ..LEITMAN/THOMPSON.. 06/27/2013   ATTN...WFO...BOX...OKX...ALY...PHI...BGM...   LAT...LON   41217556 41787536 42227441 42127327 41567234 41007190               40477359 40537426 41217556 
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Winterwarlocks area is getting blasted. Looks like the worst is going to over western areas.

 

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
804 PM EDT THU JUN 27 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HUNTERDON COUNTY...
  MERCER COUNTY...
  SOUTHERN SOMERSET COUNTY...

* UNTIL MIDNIGHT EDT...

* AT 758 PM EDT...RAIN GAGE REPORTS OF UP TO 2.5 INCHES IN ONE HOUR
  HAVE BEEN REPORTED IN SECTIONS OF MERCER COUNTY...ALONG WITH
  ROADWAY FLOODING. DOPPLER RADAR INDICATES AN ADDITIONAL ONE INCH
  OF RAIN IS POSSIBLE IN THE NEXT HOUR OR SO. A FLASH FLOOD WARNING
  HAS THEREFORE BEEN ISSUED.
 

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Winterwarlocks area is getting blasted. Looks like the worst is going to over western areas.

 

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

804 PM EDT THU JUN 27 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  SOUTHEASTERN HUNTERDON COUNTY...

  MERCER COUNTY...

  SOUTHERN SOMERSET COUNTY...

* UNTIL MIDNIGHT EDT...

* AT 758 PM EDT...RAIN GAGE REPORTS OF UP TO 2.5 INCHES IN ONE HOUR

  HAVE BEEN REPORTED IN SECTIONS OF MERCER COUNTY...ALONG WITH

  ROADWAY FLOODING. DOPPLER RADAR INDICATES AN ADDITIONAL ONE INCH

  OF RAIN IS POSSIBLE IN THE NEXT HOUR OR SO. A FLASH FLOOD WARNING

  HAS THEREFORE BEEN ISSUED.

 

Should be coming right over me. Very, very dark here right now.

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