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July 2015 Discussion & Observations


dmillz25

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Long range guidance continues the June comfortable temperature developing Nino pattern

right into July. This is looking like the second July in a row absent the magnitude of heat

that was experienced from 2010-2013. July is actually starting out cooler than last

year which reached 95 and 96 on the 1st and 2nd at Newark.

 

attachicon.gifCFSv2.NaT2m.20150629.201507.gif

Last July had five 90+days thru the 9th already here , but cooled off considerably thereafter to finish at -0.8 degrees temp wise.
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Long range guidance continues the June comfortable temperature developing Nino pattern

right into July. This is looking like the second July in a row absent the magnitude of major 

heat that was experienced from 2010-2013. July is actually starting out cooler than last

year which reached 95 and 96 on the 1st and 2nd at Newark.

 

July Newark temperature departures 2010-2014 and maximum temperature

 

.............TD....TMAX

2014....-0.4...96

2013...+3.5...101

2012...+3.4...104

2011...+5.5...108

2010...+5.1...103

 

attachicon.gifCFSv2.NaT2m.20150629.201507.gif

 

Not major heat. But the Euro weeklies last night showed weaker troughiness and some above normal 850mb temperatures over the Northeast for last two weeks of July. Strong Southwest US Ridge, could create a gradient for NW flow/EML advection events, later in the month.

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Looks like we are now fairly dry through the weekend which would be nice.  Seasonable to slightly below averages temp wise

You just never really know this time of year. I highly doubt the people in E PA and Orange County were expecting all that severe and heavy rain yesterday. And I highly doubt many here expected that elevated MCS to cross the area last night.

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UPTON 

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
UPPER TROUGH PIVOTS THROUGH THE REGION LATER THIS MORNING THROUGH
MID AFTERNOON.

AT THE SURFACE...A WARM FRONT/WEAK WAVE...HAS PUSHED NE OF THE
REGION THIS MORNING. THIS HAS TAKEN THE QLCS WITH HEAVY RAIN AND
STRONG TO SEVERE THUNDERSTORMS TO THE NORTHEAST OF THE REGION AS
WELL.

IN ITS WAKE...BEST LLJ/MOISTURE AXIS IS SLIDING EAST OF THE
REGION. SO UNCERTAINTY FOR LATE MORNING/EARLY AFTERNOON CONVECTION
IN TERMS OF AMOUNT OF DESTABILIZATION BEFORE SHORTWAVE PASSAGE.
ISO-SCT CONVECTION POSSIBLE AHEAD OF COLD FRONT ACROSS
NORTHWESTERN PORTIONS OF THE REGION...AND ALONG ANY THERMAL OR
LINGERING PRE-FRONTAL TROUGH IN VICINITY OF NYC/NJ METRO AND
POINTS N AND NE THROUGH EARLY AFTERNOON. IF CONVECTION CAN
DEVELOP...IT HAS POTENTIAL TO BE SEVERE.

 

day1otlk_1300.gif?1435761770474

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