Dr. Jeff Masters' WunderBlog

Category 1 Hurricane Carlotta hits Mexico
Posted by: Dr. Jeff Masters, 04:30 PM GMT del 16 Giugno 2012 +28
Hurricane Carlotta made landfall near Escondido, Mexico Friday night at 8 pm PDT as a Category 1 hurricane with 90 mph winds. Carlotta moved inland over the rugged terrain of Mexico this morning, and has weakened to a tropical depression. Since Carlotta was a relatively small hurricane, strong winds affected only a small portion of the coast, and wind damage was probably fairly limited. However, the hurricane has dumped heavy rains along the coast to the east of Acapulco, and two deaths from a landslide triggered by heavy rains occurred this morning in the Oaxaca state community of Pluma Hidalgo. Carlotta will continue to dump heavy rains along the coast to the east of Acapulco, and the 4 - 8 inches of total rainfall that will occur in some areas will be capable of causing more life-threatening flash floods and landslides through the weekend.


Figure 1. Radar image of Carlotta from the Puerto Ánoel radar shortly before the storm made landfall.

The Atlantic is quiet
There are no threat areas to discuss in the Atlantic today. Several models are predicting that a tropical disturbance capable of becoming a tropical depression could form in Mexico's Bay of Campeche sometime June 22 - 24.

Have a great weekend, everyone!

Jeff Masters
Categories: Hurricane
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651. wunderkidcayman 03:31 PM GMT del 17 Giugno 2012    
Quoting Tazmanian:
dran wind shear is still 30 too 50kt in the Caribbean



shear is expected to drop to 5-10kt in the SW area and 15-25 in the NW and Central areas still 30-50kt over cuba and bahamas and NE area now this is expected within the next 24-48 hours
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652. beell 03:35 PM GMT del 17 Giugno 2012    
Quoting Levi32:
The monsoon trough has easily moved at least 5 degrees northward since the MJO entered phase 8:



Nah, I think it's not a tick over 4.5°
;-)
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653. Patrap 03:40 PM GMT del 17 Giugno 2012    
Nah, I think it's not a tick over 4.5
;-)



Crown weather said the same about a half hour ago.

: )
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654. WxGeekVA 03:44 PM GMT del 17 Giugno 2012    
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655. washingtonian115 03:44 PM GMT del 17 Giugno 2012    
Leave crown weather alone.Maybe they agree on the same thing.Geesh you all treat the kid like a celeb..
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656. aspectre 03:44 PM GMT del 17 Giugno 2012    
627 washingtonian115: Well after researching on my own... that TCHP looks to be on the high side in the northern caribbean. It's continuing to rise in the gulf. Warm water extends down mighty deep.

Comparing equivalent Julian*dates for the hottest SST&Depth26 year to this (leap)year
- - - - - - - - 16June2010 SST - - - - - - - - - - - - - - - - - - 16June2010 Depth26degreesCelsius

- - - - - - - - 15June2012 SST - - - - - - - - - - - - - - - - - - 15June2012 Depth26degreesCelsius


* Julian days are sequentially numbered 1thru365 with the last day being 366 on leap years.
Member Since: Agosto 21, 2007 Posts: 0 Comments: 4846
657. hydrus 03:46 PM GMT del 17 Giugno 2012    
The hazards map has the Bahamas, Western Caribbean and the the Central and Eastern Gulf as locations most probable for cyclone development, not the west..
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658. stormwatcherCI 03:48 PM GMT del 17 Giugno 2012    
Quoting BahaHurican:
I forget the guy's name from CW who used to post on the blog fairly regularly for a while... used to have some pretty sensible comments.

Russ?
Rob Lightbown.
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659. GeorgiaStormz 03:49 PM GMT del 17 Giugno 2012    
12 minutes till greek polls close.
im not too worried about syriza winning.
for your money's sake, i'd better be right.

new gfs coming out too
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660. washingtonian115 03:51 PM GMT del 17 Giugno 2012    
Quoting aspectre:
627 washingtonian115: Well after researching on my own... that TCHP looks to be on the high side in the northern caribbean. It's continuing to rise in the gulf. Warm water extends down mighty deep.

Comparing equivalent Julian*dates for the hottest Depth26&SST year to this (leap)year
16June2010

15June2012

16June2010

15June2012


* Julian days are sequentially numbered 1thru365 with the last day being 366 on leap years.
.
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661. WxGeekVA 03:53 PM GMT del 17 Giugno 2012    
Quoting washingtonian115:
Who's Julian?.


Gaius Julius Caesar

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662. 1900hurricane 03:53 PM GMT del 17 Giugno 2012    
Quoting washingtonian115:
Who's Julian?.

Julius Caesar.
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663. GeorgiaStormz 03:55 PM GMT del 17 Giugno 2012    

subtropical?

A low in the BOC by 75hrs.
little faster, so far, may beat the high
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664. washingtonian115 03:55 PM GMT del 17 Giugno 2012    
Quoting WxGeekVA:


Gaius Julius Caesar
Oh.Lol.I though he was referring it as my name or something(hits self with a frying pan?)
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665. 1900hurricane 03:55 PM GMT del 17 Giugno 2012    
Quoting hydrus:
The hazards map has the Bahamas, Western Caribbean and the the Central and Eastern Gulf as locations most probable for cyclone development, not the west..

Look at the day that map was made though: June 12th. That makes it nearly a week old.
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666. STXHurricanes2012 03:58 PM GMT del 17 Giugno 2012    
But look at the date of that map lol it says june 13th also it says week two
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667. hydrus 03:58 PM GMT del 17 Giugno 2012    
Quoting 1900hurricane:

Look at the day that map was made though: June 12th. That makes it nearly a week old.
look at the date on the bottom map.
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668. Patrap 03:59 PM GMT del 17 Giugno 2012    
#666.

The anti-post?

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669. beell 03:59 PM GMT del 17 Giugno 2012    
Quoting Patrap:
Nah, I think it's not a tick over 4.5
;-)



Crown weather said the same about a half hour ago.

: )


As we have been talking about for a while now, tropical development is still favored in the western Gulf of Mexico later next week and into next weekend. The monsoon trough in the eastern Pacific and western Caribbean will be slowly swelling northward with time into next week, and the fact that Hurricane Carlotta in the eastern Pacific is moving close to the Mexican coastline instead of out to sea illustrates that this is already beginning to occur.
Levi, June 15


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670. Patrap 04:00 PM GMT del 17 Giugno 2012    
We had that conversation yesterday, well least some did.

I just sat bac and chuckled.
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671. hydrus 04:01 PM GMT del 17 Giugno 2012    
This is a lot of upward motion.
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672. beell 04:01 PM GMT del 17 Giugno 2012    
.
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673. Patrap 04:01 PM GMT del 17 Giugno 2012    
NOLA disco,

Previous discussion... /issued 329 am CDT sun Jun 17 2012/


Discussion...
overall...a fairly quiet weather regime will be in place for the
forecast area through the week. A weak middle/upper level trough off
the Louisiana coast with a subtle surface reflection will shift
west to Texas by Monday. Drier air from the east will continue to
encroach upon the forecast area. As a result...the best rain
chances will again be confined to the southwest quadrant of the
forecast area today...nearest the weak area of low pressure. As
we move into the work week...weak ridging aloft and a prominent
ridge at the surface will prevail with only small rain chances
expected. Temperatures will warm two or three degree during the
period...but will average close to normal. Rain chances may inch
up a bit toward the end of the work week and into next weekend if
an area of low pressure develops or moves into the southwest Gulf
with a wave moving across the central Gulf bringing increased
moisture northward as the models have indicated for several runs
now. However...the latest trend with the medium range model runs
has been toward a drier solution for the central Gulf Coast region
for the end of the week with ridging remaining in control and the
best moisture remaining to the south and west of the region. 11
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674. Bitmap7 04:02 PM GMT del 17 Giugno 2012    
>>
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675. STXHurricanes2012 04:05 PM GMT del 17 Giugno 2012    
Lol i didnt see a comment similar to what i was saying until i posted lol

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676. wxmod 04:05 PM GMT del 17 Giugno 2012    
Japan weather modification pre-hurricane of biblical proportions. This is what it takes to destroy a hurricane, thousands of jet flights and tons of mining waste. The power of dust.

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677. beell 04:05 PM GMT del 17 Giugno 2012    
.
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678. KEEPEROFTHEGATE (Mod) 04:06 PM GMT del 17 Giugno 2012    
XX/AOI/XXL
MARK
15.55N/73.75W
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679. STXHurricanes2012 04:10 PM GMT del 17 Giugno 2012    
The wgom is still favored for development...imo
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680. Grothar 04:10 PM GMT del 17 Giugno 2012    
Quoting WxGeekVA:


Gaius Julius Caesar



Sorry, wrong Julian. The Julian date was not named for Julius Caesar.
Member Since: Luglio 17, 2009 Posts: 56 Comments: 19487
681. TropicalAnalystwx13 04:11 PM GMT del 17 Giugno 2012    
Quoting hydrus:
look at the date on the bottom map.

It was still made a week ago, making it outdated. A week ago it appeared that development could take place in the west Caribbean. Now it looks to be the Bay of Campeche.
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682. Patrap 04:12 PM GMT del 17 Giugno 2012    
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683. islander101010 04:14 PM GMT del 17 Giugno 2012    
Quoting Patrap:
tickle.the.t.w.
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684. Patrap 04:15 PM GMT del 17 Giugno 2012    


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685. LargoFl 04:17 PM GMT del 17 Giugno 2012    
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686. Hurricanes305 04:18 PM GMT del 17 Giugno 2012    
Quoting Tazmanian:
dran wind shear is still 30 too 50kt in the Caribbean




Yea, however the upper ridge in the Gulf should meet with the one over Panama with the help of latent heat produce by the moisture and the MJO over the caribbean and the lowering of pressure just check out the vorticity map in the sw caribbean. Looks like a low could spin up and slip underneath those tstorms in the central caribbean.
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687. aspectre 04:18 PM GMT del 17 Giugno 2012    
inre comment656... I reduced the sizes of the SST and Depth26 maps by 1/2, then stacked them side-by-side for easier comparisons (within the same area as 1 map)
Seems like they're better for color comparisons, but the writing is unreadable.

So what do you guys think? Keep them at reduced size or return them to a readable size?
Would adding links to full-sized maps make the reduced size maps acceptably better?
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688. KEEPEROFTHEGATE (Mod) 04:21 PM GMT del 17 Giugno 2012    
1
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689. WxGeekVA 04:23 PM GMT del 17 Giugno 2012    
Quoting Grothar:


Sorry, wrong Julian. The Julian date was not named for Julius Caesar.


Then my world history teacher in Freshman year must have been wrong...
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690. Patrap 04:24 PM GMT del 17 Giugno 2012    
Julian calendar
From Wikipedia, the free encyclopedia



The Julian calendar is a reform of the Roman calendar introduced by Julius Caesar in 46 BC (708 AUC). It took effect the following year, 45 BC (709 AUC), and continued to be used as the civil calendar in some countries into the 20th century.

The calendar has a regular year of 365 days divided into 12 months, as listed in Table of months. A leap day is added to February every four years.

The Julian year is, therefore, on average 365.25 days long.
Member Since: Luglio 3, 2005 Posts: 370 Comments: 111244
691. CybrTeddy 04:25 PM GMT del 17 Giugno 2012    
Quoting WxGeekVA:


Then my world history teacher in Freshman year must have been wrong...


Grothar would know, he turned 13 when it happened.. ;)
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692. Grothar 04:26 PM GMT del 17 Giugno 2012    
Quoting aspectre:
inre comment656... I reduced the sizes of the SST and Depth26 maps by 1/2, then stacked them side-by-side for easier comparisons.
Seems like they're better for color comparisons, but the writing is unreadable.

So what do you guys think? Keep them at reduced size or return them to a readable size?
Would adding links to full-sized maps make the reduced size maps acceptably better?


They look fine to me. I just CTRL + and I can read them.
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693. stormpetrol 04:27 PM GMT del 17 Giugno 2012    
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694. KEEPEROFTHEGATE (Mod) 04:28 PM GMT del 17 Giugno 2012    
XX/AOI/XXL
MARK
33.11N/65.71W
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695. Grothar 04:28 PM GMT del 17 Giugno 2012    
Quoting WxGeekVA:


Then my world history teacher in Freshman year must have been wrong...


He/she was wrong. There is a difference between the Julian Calendar and the Julian date.

The Julian date was invented by Julius Scaliger, and actually named it after his father.
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696. Grothar 04:29 PM GMT del 17 Giugno 2012    
Quoting CybrTeddy:


Grothar would know, he turned 13 when it happened.. ;)


Twit!
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697. stormpetrol 04:29 PM GMT del 17 Giugno 2012    





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698. Grothar 04:31 PM GMT del 17 Giugno 2012    
Quoting Patrap:
Julian calendar
From Wikipedia, the free encyclopedia



The Julian calendar is a reform of the Roman calendar introduced by Julius Caesar in 46 BC (708 AUC). It took effect the following year, 45 BC (709 AUC), and continued to be used as the civil calendar in some countries into the 20th century.

The calendar has a regular year of 365 days divided into 12 months, as listed in Table of months. A leap day is added to February every four years.

The Julian year is, therefore, on average 365.25 days long.


That is not the same as the Julian date, that is the Julian Calendar. Not the same thing.

The number of days since noon on January 1, -4712, i.e., January 1, 4713 BC (Seidelmann 1992). It was proposed by J. J. Scaliger in 1583, so the name for this system derived from Julius Scaliger, not Julius Caesar. Scaliger defined Day One was as a day when three calendrical cycles converged. The first cycle was the 28 year period over which the Julian calendar repeats days of the week (the so-called solar number). After 28 years, all the dates fall on the same days of the week, so one need only buy 28 calendars. (Note that since the Gregorian calendar was adopted the calendar now takes 400 years to repeat.) The second was the 19 year golden number cycle over which phases of the moon almost land on the same dates of the year. The third cycle was the 15 year ancient Roman tax cycle of Emperor Constantine (the so-called indiction). Scaliger picked January 1, 4713 BC on the Julian calendar as Day One. The three cycles coincide every 7980 years (Tøndering).




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699. WunderAlertBot (Admin) 04:31 PM GMT del 17 Giugno 2012    
JeffMasters has created a new entry.
700. Txrainstorm 04:32 PM GMT del 17 Giugno 2012    
Just skyped with my son in Okinawa. Kadena AFB is at TCCOR 2. Still hoping it keeps turning north as forecast. I know they are prepared but different now that my son is there.Reminded him of Ike and how rough it was and told him this is going to be worse. His dorm is 1/4 mile from beach on the first floor. He just plays it off and says "Mom it will be fine!" Thanks for keeping me updated on this blog!! Prayers out to all the servicemen and women on Kadena!
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701. Grothar 04:33 PM GMT del 17 Giugno 2012    
Quoting TropicalAnalystwx13:

It was still made a week ago, making it outdated. A week ago it appeared that development could take place in the west Caribbean. Now it looks to be the Bay of Campeche.


It is possible something could develop in both areas. A number of low pressure areas are expected to form in both areas. Don't lose hope.
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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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