Jump to content

Welcome to our forums!

Sign In or Register to gain full access to our forums. By registering with us, you'll be able to discuss, share and private message with other members of our community.

Welcome!

Thanks for stopping by the Weather Forums! Please take the time to register and join our community. Feel free to post or start new topics on anything related to the weather or the climate.


Photo

finally some classic spring weather this week/ and summer conditions.

- - - - -

  • Please log in to reply

#1
weatherfan2012

Posted 06 May 2014 - 03:39 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
looks to be the first real warmth of this spring with 80s to close out the week hope everyone in the east and middle Alantic gets out and enjoy it.

#2
iFred

Posted 06 May 2014 - 09:47 PM

iFred

    The Weather Forums

  • (° ͟ʖ°)
  • 2170 posts
  • LocationPhiladelphia, Pennsylvania.

I am curious how the trees are doing over there as I saw some pics showing some trees up in Maine not even fully leafed.



#3
Phil

Posted 06 May 2014 - 11:36 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.

I am curious how the trees are doing over there as I saw some pics showing some trees up in Maine not even fully leafed.

Still the early stages here, very late. The storm-tested, ancient tulip trees are ahead of the small trees by a big margin.

1024.jpg

1024.jpg

1024.jpg
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#4
Phil

Posted 06 May 2014 - 11:56 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.

looks to be the first real warmth of this spring with 80s to close out the week hope everyone in the east and middle Alantic gets out and enjoy it.



Should top out in the low-mid 70s up here. Better than highs in the 40s/50s, as we've had all spring this far
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#5
richard mann

Posted 07 May 2014 - 02:09 AM

richard mann

    Advanced Member

  • Members
  • PipPipPipPipPipPip
  • 3419 posts
  • LocationParadise, CA

Still the early stages here, very late.  ...


Deciduous. Initial leaf bud to initial leaf. New Moon to First Quarter.

Full leaf by Full moon.  
 
.. "Deciduous Leafing", the simplest "Plant", "Phenological" ..... trick. 
 
Tree "flowering" a bit more difficult. You have to also take into account—more than basic "phase"the moon's relative distance from the earth. Essentially, and with focusing on either New moon, or Full, .. which occurs nearest to "Perigee", or the earth's nearest point to the planet where considering its main orbit's slight but certainly significant, general eccentricity.
 
.... Main flowers pretty much the same, but much more apt to set flowers, ready for "New" moon. 
 
.. Vegetable flowers, same basic idea. / .. Fruiting vegetables, full (and ripe.) "fruit", by Full Moon.
 
(Bzzzzzzz.)
 
.. Should you decide to take this assignment "Mr. Phelps", ....
 
 
(.. Like to borrow my abacus. ? - http://aa.usno.navy.mil/software/mica/micainfo.php )

 

$ ......"It's", .. "all", "Thermal Dynamics" [And bowling-ball, dropped in a five-gallon bucket of water like, "Pressure Gradients.], "obviously". ........ Not. (!!)


  • Phil likes this
---twitter_logo-t12.png

#6
iFred

Posted 07 May 2014 - 03:59 AM

iFred

    The Weather Forums

  • (° ͟ʖ°)
  • 2170 posts
  • LocationPhiladelphia, Pennsylvania.

Thanks for updating this thread Phil!

 

If there are any other Eastern lurkers out there, feel free to share your observations here :D


  • Phil likes this

#7
weatherfan2012

Posted 13 May 2014 - 04:43 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
felt like early june today first time this year we got A C running.did it hit the 90s mid 80s but had that early summer humidity type feel today.

#8
Phil

Posted 14 May 2014 - 05:23 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Felt the humidity up here too. Heat index was over 90F.

Fortunately we had plenty of thunderstorm activity, with one of them dumping golfball sized hail in the midst of a 58mph wind gust.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#9
weatherfan2012

Posted 14 May 2014 - 06:55 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
yeah there were some big storms yesterday west and south of 95.the cooling bay effect with the east wind killed the storms before they reached the 95 line.which tends to happen this time of year with sharp boundary line cutoff.today most of the reagion stayed in the cool marine air.looks like another big rain event Thursday night and firday is setting up.

#10
Phil

Posted 15 May 2014 - 10:37 AM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Another strong thunderstorm has been raking my area for 3hrs now. Frequent CTG lightning and 40-50mph winds have continued on and on..great start to the severe season

We've already had 13" of rain over the past 4 weeks, 2.7" today so far.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#11
weatherfan2012

Posted 15 May 2014 - 10:56 AM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
the line is moving mostly south to north so training of thunderstorms is likey.

#12
Phil

Posted 19 May 2014 - 06:02 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Gorgeous weather today. Cool, dry west winds took dewpoints down into the 30s and broke up the cloud deck. Fell below freezing early in the morning with a thick frost..
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#13
weatherfan2012

Posted 19 May 2014 - 06:46 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
agreed phil not much left to say but beautiful as good as it gets for mid late may.

#14
Phil

Posted 21 May 2014 - 06:48 AM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Both of us could possibly see some big storms today. I'll be watching!
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#15
weatherfan2012

Posted 22 May 2014 - 02:45 AM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
big cluster of storms effecting regions south of Baltimore and dc this morning.

#16
weatherfan2012

Posted 22 May 2014 - 04:07 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
another round of big thunderstorms hammered parts of the reagion va-new york with supercells that track southeast today lots of hail reports with the storms.there were some tornado warnings not sure if any conferm reports were reported just radar detected rotation.

#17
Phil

Posted 23 May 2014 - 03:27 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
I got whiffed this time. :(
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#18
weatherfan2012

Posted 23 May 2014 - 06:03 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
same here they all went around my location

#19
Phil

Posted 27 May 2014 - 04:04 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
More big storms today. Got some video that I'll post later.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#20
Phil

Posted 27 May 2014 - 06:30 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
10hrs straight now, strong N winds at the moment with small hail and gorgeous lightning

I've officially recorded 14 gusts over 50mph today.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#21
richard mann

Posted 27 May 2014 - 08:37 PM

richard mann

    Advanced Member

  • Members
  • PipPipPipPipPipPip
  • 3419 posts
  • LocationParadise, CA

More big storms today. Got some video that I'll post later.


Just wondering, is it possible to upload (imbed) videos via wireless device? I've been in the Eastern US forum here trying to upload some severe storm footage I shot today but can't seem to do it.

 
I don't know about more directly, .. Or "via wireless" more specifically (More regarding the "wireless" idea further below, at the bottom of this post.), ...

 

.. but you can most likely upload whatever to "YouTube", and post the url generated by them of what you have there, here. 
 
The italicized elements here below are direct from "YouTube". Those not are my own comments further.

Don’t have a YouTube account? If you have a Google account, your YouTube account will be ready to go. If you don’t have a Google account, signing up for one is easy. Just click here.

.. Once you've created and signed in to an account, with clicking on "Upload", included on most pages your come to, you'll be routed to this basic interface following. -  basic video upload interface. .. This isn't the actual interface. Just a screenshot of it.

More than this, you may have to go through a few further general clue-in ideas. It's been a while since I set up my own access to uploading things. So can't say for sure. But I've included this following in the case that you do.
 
If you'd like to upload your own videos... you can create a Channel.
 
".. via Wireless", more specifically.? .. (?) Don't know why this idea would be any different than non-wireless. Your question is somewhat unclear.  But in fact in line with what I've suggested here above more, I'd say, fish around at some different main "YouTube" help pages, and you can probably find and answer to the question more specific that you have in mind. 

 

Back to your main inputs here. - http://theweatherfor...s-week/?p=28009


---twitter_logo-t12.png

#22
weatherfan2012

Posted 03 June 2014 - 12:10 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
could be more big storms tommore night into Thursday morning models are suggesting a pretty potent line could be coming across the region could be a long tracker have to see how this plays out tommore.the data has speeded things up a bit from yesterday.

#23
Phil

Posted 03 June 2014 - 09:08 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Was very humid today with pop-up storms about.

I'm in the SPC's slight risk for tomorrow night, so hopefully I get some action. :D
  • Chris likes this
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#24
Phil

Posted 04 June 2014 - 09:01 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Kind of meh..thunder/rain/breezy..nothing more as of yet..
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#25
weatherfan2012

Posted 04 June 2014 - 10:32 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
yeah the problem was
the front that went through tuesday night brought dryer air we only had dew points in the 50s the dynamics stayed mostly in Ohio and the mid west and into Virginia. so we got sort of got screwed this go around but not complaining its been a good thunderstorm season so far and I suspect this maybe an active summer thunderstorm wise with quite a few northwest flow event aloft thunderstorm patterns.

#26
Phil

Posted 07 June 2014 - 07:35 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Hopefully as we continue to heat up over the next 6-7 weeks we'll see steeper ML lapse rates and higher MLCAPE, which is usually a problem during the early summer.

Usually the big stuff gets going here in late June or July.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#27
Phil

Posted 07 June 2014 - 07:38 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
It's also been a fairly cool summer thus far. No heat to speak of yet.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#28
Phil

Posted 08 June 2014 - 12:56 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Getting hit pretty good.. Nice winds, sleet-sized hail, plenty of lightning
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#29
Phil

Posted 08 June 2014 - 04:41 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Had my first Tornado Warning of the year today! Very nice storm.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#30
richard mann

Posted 08 June 2014 - 06:15 PM

richard mann

    Advanced Member

  • Members
  • PipPipPipPipPipPip
  • 3419 posts
  • LocationParadise, CA

.. Leave it to those SSTs. 

 

Really "hot" here where I am.


---twitter_logo-t12.png

#31
Phil

Posted 09 June 2014 - 04:04 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
Could be a big day for weatherfan2012 Wednesday..he's approaching 4000 CAPE :lol:

That's something OK/TX sees during the heart of severe season..not as common up here. I'm at 1500 CAPE..not bad, but shear is weak for now.

post-1615-0-18688100-1402357451.gif
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#32
weatherfan2012

Posted 09 June 2014 - 07:35 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
impressive cape signatures for sure on the data wenesday in our region.

#33
weatherfan2012

Posted 10 June 2014 - 06:32 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
funnel cloud possable weak tornado touch down in pa today justin berk shared a video on his facebook page of the person that shot the video.the storm had evendent rotation on radar at the time.

#34
weatherfan2012

Posted 11 June 2014 - 12:44 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
big storms possable this afternoon and evening tornado watch is out just west of interstate 95 interesting to see how this trainspires over the next few hours, all ready been a couple tornado warnings in va with some severe thunderstorm warnings as well.watching the stuff in va also cells going up in southern maryland giving condtions we maybe deeling with supercells across the region.the motion is south to north.

#35
weatherfan2012

Posted 13 June 2014 - 12:02 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
more big storms in the region today . wow on your picture phil in the other thread that is a big time problem and mess there.someone needs to turn the hoze off up stairs.what a year this has been weather wise so far.

#36
weatherfan2012

Posted 16 June 2014 - 02:54 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
welcome to the first real heat of summer 2014 it's here the next few days.one more day of heat and we go back into the 80s so not a long stretch of heat.

#37
weatherfan2012

Posted 17 June 2014 - 08:18 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
big complex of thunderstorms in pa tonight any body north of the mdl better prepare for heavey rains strong winds and dangerous lighting.severe thunderstorm warnings all over northern centerl pa.

#38
Phil

Posted 17 June 2014 - 09:07 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
It was sizzly today for sure. We were capped, though. Your heat index should surpass 105 degrees tomorrow.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#39
weatherfan2012

Posted 18 June 2014 - 12:38 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
yeah we had a strong capp in place which kelp storms from forming those pa got hit pretty good last night from the stuff that formed in the great lakes and drop south.today looks like the last of this round of heat as a front comes across the region with increase storm coverage tonight and tomorrow.

#40
weatherfan2012

Posted 18 June 2014 - 07:22 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
cap is broken big thunderstorms and light show across the reagion all this just in the past hafe an hour to an hour.the lighting is inshine with these tonight.more storms fireing west of Baltimore well a head of the main line in pa going to be a loud night for some people.

#41
Phil

Posted 18 June 2014 - 09:03 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
One of the most amazing lightning shows I've ever seen tonight. Blessed to have experienced it.
  • Phil likes this
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#42
weatherfan2012

Posted 19 June 2014 - 06:48 AM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
sure was a show last night lighting caused some house fires and damage in the baltimore reagion last night.one house per justin posted on facebook was severely hit last night.prayers and thoughts on the owners of the houses.glad no one was hurt.
  • Phil likes this

#43
weatherfan2012

Posted 25 June 2014 - 07:35 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
another great light show here tonight as the line went past.did it last long but heavey rains thunder and lighting for 20 mins,.it on the eastern shore now.

#44
Snowlover76

Posted 01 July 2014 - 01:22 PM

Snowlover76

    Forum Contributor

  • Members
  • PipPipPipPip
  • 848 posts
  • LocationLincoln, NE
C'mon Arthur.
  • Phil likes this

#45
weatherfan2012

Posted 01 July 2014 - 06:21 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts
its looking more like arthur is likey going to stay off shore as oppose to the middle alantic hammering one of the models had.giving the strong cold front to the west.i do think phil we have to be on the look out for one or two sneaky systems that are home brewed this season.im not really sure how this tropica season will play out those giving the complex setup we have this summer In the tropics.

#46
Phil

Posted 02 July 2014 - 09:36 AM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.
It's hot here in the DC area. Nearest station reads 97/75, for a heat index of 110
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#47
Chris

Posted 02 July 2014 - 02:40 PM

Chris

    Community Mod

  • Admin
  • 1104 posts
  • LocationOregon Coast Range 1000'

It's hot here in the DC area. Nearest station reads 97/75, for a heat index of 110

 

Does that have anything to do with Arthur?



#48
Phil

Posted 02 July 2014 - 04:38 PM

Phil

    Forum Fantastic

  • Members
  • PipPipPipPipPipPipPipPip
  • 14008 posts
  • LocationCabin John, MD.

Does that have anything to do with Arthur?


Rather, I think the thermodynamic nature of the pattern is what allowed Arthur to develop. "Arthur" began as a thunderstorm complex that had moved off the east coast, into the warm, stagnant west-Atlantic high pressure system.
Personal Weather Station, Live Stream on Wunderground: https://www.wundergr...BETHE62#history

Warm season 2017
Thunderstorm days: 10
Severe days: 5
Rain total: 11.58"
Highs at/above 90*F: 16
Warmest high: 99.4*F
Warmest low: 79.7*F

#49
richard mann

Posted 02 July 2014 - 05:29 PM

richard mann

    Advanced Member

  • Members
  • PipPipPipPipPipPip
  • 3419 posts
  • LocationParadise, CA

... I think the thermodynamic nature of the pattern is what allowed Arthur to develop. ... began as a thunderstorm complex that had moved off the east coast, into the warm, stagnant west-Atlantic high pressure system.

 
.. Correct. But in a somewhat more "macro" sense.  My view leastwise. 
 
All tropical disturbances are, I've found, the result of more minor disturbances having been allowed to break off from more confined tropical space; i.e. the ITCZ essentially, or at least for the most part; ... 
 
.. and with the larger patterning of the Jet, i.e. main colder to warmer air, setting up to provide both the room and general conditions for whatever development. Warmer water beneath of course also being a main factor. But more atmospherically, just how the broader synoptic pattern is set up at the time, is what works to create the main "arena" for break-off and development. 
 
Over the past 5 or so days, main patterning has transitioned from more zonal, to increasingly more meridional. This, with main colder air's having both slowed its main more eastern pace and progress, while at the same time having (if somewhat counter-intuitively where considering the season.) moved and spread, daily, steadily more southand so having flanked different main ridging.
 
Beneath whatever ridging, counter-clockwise circulation, generally. .....
 
This broader patterning set up and set of ideas having also allowed for the two if lesser tropical storms, still active to some extent, and just having been spawned just yesterday, in the Eastern Pacific. 
 
http://theweatherforums.com/index.php?/topic/574-the-tropics-tropical-storm-arthur-atlantic-region/
 
http://theweatherforums.com/index.php?/topic/575-the-tropics-tropical-storms-douglas-and-elida-eastern-pacific/
 

Continental US 140702_1930z.png - Single image.

Check the video, here. - http://www.nnvl.noaa.gov/


  • Phil likes this
---twitter_logo-t12.png

#50
weatherfan2012

Posted 02 July 2014 - 06:16 PM

weatherfan2012

    Forum Contributor

  • Members
  • PipPipPipPip
  • 610 posts

Rather, I think the thermodynamic nature of the pattern is what allowed Arthur to develop. "Arthur" began as a thunderstorm complex that had moved off the east coast, into the warm, stagnant west-Atlantic high pressure system.

classic case of a home brewed system from thunderstorm dlusters or dying fronts become foemed low pressure antenys and become tropica.