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Spring/ Summer 2014 Convection Discussion


weatherwiz

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complete noob question (I'm not a met). How do you get the lightning detection in radarscope

As others have said the lightning detection is only days old....given that real time lightning data is hard to come by for free I bought it the day it came our....weathertap has a lightning feature for free but there is a delay and it doesn't animate....$10/yr might be steep but for a weenie it's all good.....when you zoom in the resolution goes up too.... Tremendous...

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While eastern sections have not had much thus far the overnight period needs to be watched b/c there is potential for quite the deluge across a chunk of eastern sections.  There are actually several ingredients in place which are quite favorable...

 

1) Looks like some higher theta-e air is working into far eastern MA and will continue through at least the first part of the overnight hours.

 

2) Increase in LLJ.  While we did not have much instability in place today, it is not zero and we will keep some instability in place through the night.  We will also begin to see the LLJ crank.  Across SNE, especially with some instability to work with, showers and t'storms can sometimes perk up as they near eastern sections on the nose of the LLJ.  

 

3) Mesoanalysis shows some moisture convergence potentially setting up and perhaps even some frontogenesis...would be something to really watch for further enhancing lift.  

 

4) PWAT maxes may actually be across eastern MA...could see them spike up to maybe 2.2-2.3''.  

 

5) Strongest 850mb moisture transport also over these areas.  

 

I also wouldn't rule out possibility of a strong to marginally severe t'storm across the south coast during the overnight (although this is the case region wide too IMO)

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As others have said the lightning detection is only days old....given that real time lightning data is hard to come by for free I bought it the day it came our....weathertap has a lightning feature for free but there is a delay and it doesn't animate....$10/yr might be steep but for a weenie it's all good.....when you zoom in the resolution goes up too.... Tremendous...

My Sirius weather radar for the boat was $50/month. This is a cheap date.
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Noted this a bit ago (but after the shower), failed to notice the brief shower as it passed by about 7:30 - couple hundredths, maybe.

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE GRAY ME

721 PM EDT MON JUL 14 2014

MEZ013-014-021-150000-

KENNEBEC-SOUTHERN FRANKLIN-SOUTHERN SOMERSET-

721 PM EDT MON JUL 14 2014

...STRONG THUNDERSTORMS WILL IMPACT SOMERSET COUNTY...FRANKLIN COUNTY

AND KENNEBEC COUNTY THROUGH 800 PM EDT...

AT 719 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

LINE OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM

ANSON TO MERCER TO 3 MILES SOUTHWEST OF ROME TO 3 MILES SOUTH OF

MOUNT VERNON TO 5 MILES SOUTHWEST OF WAYNE...OR ALONG A LINE

EXTENDING FROM 9 MILES WEST OF SKOWHEGAN TO 10 MILES EAST OF

FARMINGTON TO 10 MILES WEST OF OAKLAND TO 14 MILES SOUTHWEST OF

OAKLAND TO 7 MILES EAST OF TURNER...MOVING EAST AT 25 MPH. THIS LINE

OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND

STARKS...WAYNE...VIENNA...NEW SHARON...MOUNT

VERNON...MERCER...MADISON...FAYETTE...ANSON AND ROME THROUGH 800 PM

EDT.

HEAVY RAINFALL CAN BE EXPECTED...WITH LOCAL PONDING IN STREETS AND

LOW-LYING AREAS. IN ADDITION MOTORISTS ON INTERSTATE 95 AND ROUTE

201 CAN EXPECT SHARPLY REDUCED VISIBILITIES AT TIMES AS WELL AS

PONDING OF WATER ON ROAD SURFACES. TRAVELERS SHOULD USE CAUTION IN

THESE AREAS.

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So I was just looking at the NCEP SREF plume viewer for MLcape tomorrow and saw one member that had 2500 J/KG of MLcape tomorrow for BDL and almost jumped out of my chair...then I realized it was just one member and that wasn't the mean lol

 

Surprised you didn't launch your laptop for a special sounding.

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