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August 2016 Discussion/Obs


dmillz25

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sorry my bad, it wasnt the NAM

 

here is the Mt Holly disco which was bullish on heavy rainfall..also heavy rain was mentioned in my 7 day forecast

 

Both fronts will likely serve as lifting mechanisms for the
development of showers and thunderstorms to our west that then
move through our region in the afternoon hours. The abundance of
moisture is shown in the modeled PW values of over 2 inches along
with a deep moist layer in modeled soundings. Both of the aspects
support the likelihood for heavy rainfall with thunderstorms that
move through, maintaining hvy rain wording in the products.

In terms of any thunderstorms becoming severe, both the
instability and shear reflect a more marginal possibility. Modeled
CAPE values are around 1,000 J/KG in the afternoon with modestly
steep low level lapse rates. However, a lack of dry air in the
sounding is present as well. While a few thunderstorms with strong
or damaging wind gusts can not be ruled out it is a more limited
threat than that of heavy rainfall at this time. Northern parts of
our region will be near the triple point (intersection of fronts),
modeled helicity values particularly on the NAM 00z run increase
in the lowest 1KM of the sounding (over 100 m2/s2). Some turning
of winds near the surface and looping in the hodographs are
present as well. These aspects of the sounding data suggest a
tornado can not be ruled out from the Lehigh Valley into northern
NJ. This possibility wains quickly further south away from the
expected position of the triple point.

Showers and thunderstorms will start to end from west to east as
the cold front enters the picture. Many spots could pick up a
quick inch or even more of rainfall leading to ponding of water on
roads and other localized flooding issues. Outdoor plans have the
highest chance of being rain free in the morning with chances
going downhill by early afternoon west of Philly and mid afternoon
east.
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3 hours ago, winterwarlock said:

sorry my bad, it wasnt the NAM

 

here is the Mt Holly disco which was bullish on heavy rainfall..also heavy rain was mentioned in my 7 day forecast

 


Both fronts will likely serve as lifting mechanisms for the
development of showers and thunderstorms to our west that then
move through our region in the afternoon hours. The abundance of
moisture is shown in the modeled PW values of over 2 inches along
with a deep moist layer in modeled soundings. Both of the aspects
support the likelihood for heavy rainfall with thunderstorms that
move through, maintaining hvy rain wording in the products.

In terms of any thunderstorms becoming severe, both the
instability and shear reflect a more marginal possibility. Modeled
CAPE values are around 1,000 J/KG in the afternoon with modestly
steep low level lapse rates. However, a lack of dry air in the
sounding is present as well. While a few thunderstorms with strong
or damaging wind gusts can not be ruled out it is a more limited
threat than that of heavy rainfall at this time. Northern parts of
our region will be near the triple point (intersection of fronts),
modeled helicity values particularly on the NAM 00z run increase
in the lowest 1KM of the sounding (over 100 m2/s2). Some turning
of winds near the surface and looping in the hodographs are
present as well. These aspects of the sounding data suggest a
tornado can not be ruled out from the Lehigh Valley into northern
NJ. This possibility wains quickly further south away from the
expected position of the triple point.

Showers and thunderstorms will start to end from west to east as
the cold front enters the picture. Many spots could pick up a
quick inch or even more of rainfall leading to ponding of water on
roads and other localized flooding issues. Outdoor plans have the
highest chance of being rain free in the morning with chances
going downhill by early afternoon west of Philly and mid afternoon
east.

So you slam Mt. Holly for forecasting rain (which it did materialize in the majority of their forecast area anyway), but when they forecast the lower end of snow totals leading up to a storm or predict higher temps than anybody else you hug them and sing their praises. Talk about biased!

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One of the longest daily minimum streaks of 75 or greater around the area comes to an end at LGA with 14 days.

8/8....75

8/9....75

8/10...76

8/11...78

8/12...76

8/13...84

8/14...81

8/15...78

8/16...78

8/17...79

8/18...75

8/19...77

8/20...75

8/21...76

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2 minutes ago, bluewave said:

Models get us back to upper 80's to maybe 90 in the hotspots later this week before the next front drops temps back a bit.

Still an above normal temperature pattern, but all the big highs sliding across and to the east of New England won't allow a repeat 

of the major heat earlier this month with more onshore flow.

wonder if we'll see a 'cane somewhere off the SE coast with all that high pressure to the north?

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11 hours ago, Cfa said:

0.06" this evening. Pitiful.

My monthly total is still below half of an inch.

Woke up to an additional 0.13" overnight, which makes yesterday the wettest day of the month with 0.22".

Also dropped to 70 this morning, which is the coolest it's been since 08/05 when the low was 68.

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On Sunday, August 21, 2016 at 6:47 AM, bluewave said:

That's been the pattern recently with the record warm SST and dew point regime here. The sea breeze boundaries have been setting up very

close to the North Shore in recent weeks. Last week we saw the tornado on the North Fork and another 5 inch rainfall max a few miles further

north over the Sound.

You can get lucky with MODIS today when an event happens right at the time of the daily satellite pass.

http://ge.ssec.wisc.edu/modis-today/

 

Thank you very much!

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Here in my summer home in the Catskills mountains near Liberty , N.Y. at 1,520 feet ,it was a cool day, only reached 66 with a brisk west/northwest wind. Winds died down this evening and temps are dropping fast , 55 here now with a dew point of 46. I would not be surprised to see it bottom out at 45-48 overnight. I go back to Brooklyn in a week and it could take 3 months to get a temperature reading in the 40s there again.

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