Dr. Jeff Masters' WunderBlog

A Tale of Two Invests
Posted by: Dr. Jeff Masters, 12:17 PM GMT on July 04, 2010 +2
Good morning, everybody, Dr. Rob Carver filling in for Jeff on Independence Day.

Currently, NHC is monitoring two different areas for possible tropical cyclone development. Invest 95L is about 125 miles west-southwest of the mouth of the Mississippi and it doesn't have much thunderstorm activity associated with it. Dry air from the north and strong wind shear have weakened it considerably from yesterday, and NHC believes it has a 10% chance of becoming a tropical cyclone before the feature makes landfall.

Invest 96L is in the western Caribbean sea and bears watching closely. Earlier in the morning, the convection was all on the east side of the circulation center, but thunderstorms have developed on the southwest side. According to the CIMMS wind shear analysis, 96L is on the outskirts of a low wind shear region just east of the Yucatan peninsula. It's also over warm SST's (>29 deg C), so it could intensify. NHC gives it a 20% chance of becoming a tropical cyclone in the next 48 hours. Computer models have 96L going through the Yucatan Channel then turning left and making landfall somewhere near the Rio Grande.


Fig. 1 IR satellite composite from 720AM EDT.

Next Update
My next post will be sometime Monday afternoon/evening. If the situation changes significantly before then, I'll make a new post. In any event, enjoy the holidays...
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3801. Patrap 4:41 PM GMT on July 05, 2010    
..Please.

Carry on
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3802. Patrap 4:42 PM GMT on July 05, 2010    
Lah..,la,la
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3803. TexasHurricane 4:42 PM GMT on July 05, 2010    
Quoting StormW:


LOL!


storm, what are your thoughts on 96L....expect it to develop? where it might go?
Member Since: July 2, 2009 Posts: 0 Comments: 2811
3804. ElConando 4:43 PM GMT on July 05, 2010    
Lil furball 95l.
Member Since: September 6, 2009 Posts: 2 Comments: 3703
3805. blsealevel 4:43 PM GMT on July 05, 2010    
think 95L looks alot like cindy did almost heading in the same direction too.
Member Since: August 23, 2008 Posts: 0 Comments: 1916
3806. fatlady99 4:43 PM GMT on July 05, 2010    
Quoting angiest:


2.5 feet of motion (mostly horizontal in that area) isn't a whole lot. It is believed by some seismologists that the San Andreas proper north of the border may have up to 30 feet of motion built up in it. The 1906 San Francisco earthquake involved up to 20 feet of movement.


With all due respect, 2.5 feet of motion can knock over a cinderblock wall, throw a refrigerator across the kitchen, explode a 25 gallon fishtank, reduce every single stick of furniture to rubble. Knock the four sides off a six story office building, so that the desks hang out. etc etc. 2.5 feet can do a lot more damage that it would seem. It depends on speed, frequency, direction, duration, etc. God help the residents if the Big One ever moves more than that.

However, me hubby moved us post quake from L.A. to Northern Florida, so I'm not sure we didn't go from the frying pan into the fire! LOL!!!
Member Since: September 4, 2009 Posts: 0 Comments: 410
3807. kmanislander 4:43 PM GMT on July 05, 2010    
Taking a break now.
Member Since: August 19, 2006 Posts: 0 Comments: 14939
3808. MiamiHurricanes09 4:43 PM GMT on July 05, 2010    
Quoting TexasHurricane:


storm, what are your thoughts on 96L....expect it to develop? where it might go?
This explains it pretty clearly:

INVEST 95L AND 96L SYNOPSIS ISSUED 8:10 A.M. JULY 05 2010
Member Since: September 2, 2009 Posts: 129 Comments: 19976
3810. DauphinNotDolphin 4:45 PM GMT on July 05, 2010    
12z CMC develops the system to the south, drags it over the Yucatan, then up toward the middle LA coast, with a left hook at the last minute, with landfall on the upper TX coast.

Link
3811. stillwaiting 4:46 PM GMT on July 05, 2010    
pretty cool MLV west of sarasota!!!!
Member Since: October 5, 2007 Posts: 20 Comments: 4970
3812. msgambler 4:46 PM GMT on July 05, 2010    
Well Pat, nice of you to finally join our conversation...LOL good morning.
Member Since: February 27, 2010 Posts: 0 Comments: 1120
3813. Patrap 4:47 PM GMT on July 05, 2010    
Quoting msgambler:
Well Pat, nice of you to finally join our conversation...LOL good morning.



I was er, resting.


Seems we cant "Forget 95L"
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3814. wunderkidcayman 4:47 PM GMT on July 05, 2010    
so 96L has a twin one near yucatan and the other near Honduras I think the real/main one is the one near Honduras
Member Since: June 13, 2009 Posts: 2 Comments: 5374
3815. ElConando 4:47 PM GMT on July 05, 2010    
Been getting A LOT of rain the past 3 days over 6 inches.
Member Since: September 6, 2009 Posts: 2 Comments: 3703
3816. sarahjola 4:48 PM GMT on July 05, 2010    
hey patrap- think 95l might give us a little breeze out here in mandeville. its already given us a couple down pours. do you see foresee any severe wx with 95l? did you here the news this morning about the oil getting into the rigoletts? sad situations we are in. Greg taffaro was on the news this morning saying it got into some of the bayous down there. very upsetting:(
Member Since: September 10, 2008 Posts: 0 Comments: 1291
3817. StormSurgeon 4:49 PM GMT on July 05, 2010    
Quoting DauphinNotDolphin:
12z CMC develops the system to the south, drags it over the Yucatan, then up toward the middle LA coast, with a left hook at the last minute, with landfall on the upper TX coast.

Link


Massacre Island?
Member Since: September 1, 2007 Posts: 0 Comments: 1792
3818. Patrap 4:49 PM GMT on July 05, 2010    
Quoting sarahjola:
hey patrap- think 95l might give us a little breeze out here in mandeville. its already given us a couple down pours. do you see foresee any severe wx with 95l? did you here the news this morning about the oil getting into the rigoletts? sad situations we are in. Greg taffaro was on the news this morning saying it got into some of the bayous down there. very upsetting:(


Im watching the morning news re broadcast now. And thats not good news atall.

95L is a Bugger,with the Training Storms to be the nuisance I believe
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3819. ssmate 4:49 PM GMT on July 05, 2010    
Quoting AussieStorm:

I am about to go to bed, Don't be surprised if the 3 circles become 5. Last night it went from 2 to 4 while i was sleeping. Fingers crossed it stays only 3.
Goodnight all.
Have a good nights sleep Aussie.
Member Since: July 17, 2008 Posts: 0 Comments: 347
3820. msgambler 4:49 PM GMT on July 05, 2010    
Quoting Patrap:



I was er, resting.


Seems we cant "Forget 95L"
That's what you get for acting like a teenager and staying up till the weee hour in the morn' and then sneaking off to bed when the adults wake up for their morning coffee. You left right as I signed on.
Member Since: February 27, 2010 Posts: 0 Comments: 1120
3821. nishinigami 4:50 PM GMT on July 05, 2010    
Hey Pat, how are things uptown? Water getting a little higher than I want to see down here.
Member Since: August 24, 2008 Posts: 2 Comments: 221
3822. blsealevel 4:50 PM GMT on July 05, 2010    
Link

That is one stubarn stalled front.
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3823. StormSurgeon 4:51 PM GMT on July 05, 2010    
Quoting Patrap:



I was er, resting.


Seems we cant "Forget 95L"


95L is the only thing I'm really paying attention to right now.
Member Since: September 1, 2007 Posts: 0 Comments: 1792
3824. txalwaysprepared 4:51 PM GMT on July 05, 2010    
Last week I was asking for rain... Got over 10 inches from Alex.

Now if we get any rain from 95L or 96L we would be in a bad way around here.

I won't ask for anything again... except maybe this baby #4 to be a girl.. since I have 3 boys.. but that is too much to ask ;)
Member Since: August 18, 2007 Posts: 0 Comments: 1642
3825. emguy 4:51 PM GMT on July 05, 2010    
Noticing that the north and northwest side of 95L remains poorly organized this afternoon. That side of the vorticity just refuses to pull into the low based on the visible loops (Not the clouds continue to move around and away instead of in). Still appears to be a "quasi" frontal low by all appearances and tropical development is definately not expected here. Some good thunderstorms will come to Louisiana from this little low pressure system though.

Down there in the Caribbean, 96L seems to be going through one of those typical slow evolutions we see with western caribbean development. 40% on the outlook a good call. If this is going to develop, the one thing it needs more than anything else is time.
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3826. Patrap 4:51 PM GMT on July 05, 2010    
Quoting msgambler:
That's what you get for acting like a teenager and staying up till the weee hour in the morn' and then sneaking off to bed when the adults wake up for their morning coffee. You left right as I signed on.


As per da plan maybe?

LOL
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3828. Patrap 4:53 PM GMT on July 05, 2010    
Forget 96L ?
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3829. DauphinNotDolphin 4:54 PM GMT on July 05, 2010    
Yep, Massacre Island, Isle Dauphine, BP's new headquarters...that's us :)
3830. Patrap 4:56 PM GMT on July 05, 2010    
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3831. emguy 4:57 PM GMT on July 05, 2010    
95L

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3832. mcluvincane 4:58 PM GMT on July 05, 2010    
96L is RIP? It seems that way. Doesn't have time to develope into anything of major concern.
Member Since: June 2, 2010 Posts: 0 Comments: 1315
3833. Drakoen 4:58 PM GMT on July 05, 2010    
Look at this and there is no question that 96L is located in the Yucatan Channel

Member Since: October 28, 2006 Posts: 57 Comments: 29010
3834. StormSurgeon 4:59 PM GMT on July 05, 2010    
Quoting DauphinNotDolphin:
Yep, Massacre Island, Isle Dauphine, BP's new headquarters...that's us :)


Yep, I'm in Mobile but we've owned property on the Island for decades. Spent plenty of time there, but not much since the leak. Too many contractors and noisy activity.
Member Since: September 1, 2007 Posts: 0 Comments: 1792
3835. mobilebayal 5:00 PM GMT on July 05, 2010    
Quoting DauphinNotDolphin:
Yep, Massacre Island, Isle Dauphine, BP's new headquarters...that's us :)


Are you on Dauphin Island?
Member Since: August 17, 2007 Posts: 0 Comments: 1097
3836. Abacosurf 5:00 PM GMT on July 05, 2010    
Quoting Drakoen:
Look at this and there is no question that 96L is located in the Yucatan Channel


Nice Drak.
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3837. PtownBryan 5:01 PM GMT on July 05, 2010    
Good afternoon all!
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3838. Patrap 5:01 PM GMT on July 05, 2010    
Ya'll lost 96L this morning ?
Member Since: July 3, 2005 Posts: 370 Comments: 111244
3839. PtownBryan 5:02 PM GMT on July 05, 2010    
You must live in Houston or the area! Last week was something else!
Member Since: July 5, 2010 Posts: 0 Comments: 170
3840. Abacosurf 5:03 PM GMT on July 05, 2010    
Quoting Drakoen:
Look at this and there is no question that 96L is located in the Yucatan Channel



Also shows that the storm in the eastern carib. will not be picked up by the trough IMO.

Another western carib storm by the end of the week???
Member Since: August 28, 2008 Posts: 0 Comments: 911
3841. emguy 5:03 PM GMT on July 05, 2010    
Definately wouldn't forget 96L. Looks like this one has a good shot at development. It just needs time to get it's act together. Typical slow evolution for down in that neck of the woods at this time of year. Been interesting weather throughout the western half of the basin last 24 hours.
Member Since: May 21, 2008 Posts: 0 Comments: 569
3842. CybrTeddy 5:03 PM GMT on July 05, 2010    
ECMWF still develops 96L and another system a few days later. ECMWF doesn't develop 96L until its in the Gulf and keeps it a fairly weak system. Hits Texas.

CMC makes 96L a fairly potent system hitting Texas

GFDL doesn't develop 96L at all.

GFS doesn't not develop 96L.

HWRF develops 96L, keeps it very weak.

NOGAPS doesn't develop 96L
Member Since: July 8, 2005 Posts: 253 Comments: 20178
3844. IKE 5:04 PM GMT on July 05, 2010    
Member Since: June 9, 2005 Posts: 23 Comments: 37044
3845. Drakoen 5:04 PM GMT on July 05, 2010    
Quoting Abacosurf:


Also shows that the storm in the eastern carib. will not be picked up by the trough IMO.

Another western carib storm by the end of the week???


Most of the vorticity associated with that wave is north of the Caribbean. Upper level winds are not favorable for development.
Member Since: October 28, 2006 Posts: 57 Comments: 29010
3846. OracleDeAtlantis 5:05 PM GMT on July 05, 2010    
Quoting Patrap:
A brief look at Climatology 101


95L current




Hurricane Cindy 5 years ago tonight



I don't recall Cindy being subtropical. You're comparing apples to cranberries.

Member Since: August 27, 2009 Posts: 0 Comments: 284
3847. RitaEvac 5:05 PM GMT on July 05, 2010    
good 96L dont do anything
3848. LightningCharmer 5:05 PM GMT on July 05, 2010    
Quoting wunderkidcayman:
so 96L has a twin one near yucatan and the other near Honduras I think the real/main one is the one near Honduras


If, indeed, there are two lows developing in close proximity to each other, does this close proximity impede development of both lows significantly or rather is the effect negligible?
Member Since: September 1, 2007 Posts: 0 Comments: 1111
3849. bappit 5:05 PM GMT on July 05, 2010    
Quoting Drakoen:
Look at this and there is no question that 96L is located in the Yucatan Channel


I love that graphic. Shows how the whole thing is moving.
Member Since: May 18, 2006 Posts: 3 Comments: 4353
3850. StormSurgeon 5:06 PM GMT on July 05, 2010    
Quoting Patrap:
Ya'll lost 96L this morning ?


Sure did, somewhere between Honduras and the Yucatan Straights.....were still looking for it though....LOL
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3851. IKE 5:07 PM GMT on July 05, 2010    
Quoting nrtiwlnvragn:
Looks like HPC finally got the memo.....
Preliminary Extended Forecast Discussion

Excerpt:

THE GEM GLOBAL CONTINUES TO BE CONTAMINATED BY SPURIOUS CIRCULATIONS OF TROPICAL ORIGIN.


Not saying the CMC is out-to-lunch on 96L, but the above was posted early this morning^^^
Member Since: June 9, 2005 Posts: 23 Comments: 37044

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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