Dr. Jeff Masters' WunderBlog

Ophelia regenerates; Typhoon Nesat heads towards China
Posted by: Dr. Jeff Masters, 11:39 AM GMT on September 28, 2011 +16
Ophelia is back as a tropical depression, thanks to a reduction in wind shear that allowed the storm to re-organize yesterday afternoon just east of the Lesser Antilles Islands. Martinique radar shows a large area of concentrated thunderstorms lies about 200 miles to the east of the northern Lesser Antilles, with good spiral banding and rotation. Recent satellite loops show that Ophelia's heavy thunderstorms are not increasing, and are limited in areal extent. The low-level center is partially exposed to view, thanks to strong wind shear. No hurricane hunter flights are scheduled for today.


Figure 1. Morning radar image from the Martinique radar shows the heavy rain showers from Ophelia, just east of the northern Lesser Antilles. Image credit: Meteo-France.

Dry air and moderate wind shear of 15 - 20 knots are slowing down Ophelia's intensification, and will continue to do so through Thursday. By Friday, wind shear is expected to fall to 10 - 15 knots, and most of the models give strong support to Ophelia intensifying into a hurricane by Saturday. With the models all agreeing on at track for Ophelia just east of Bermuda, Tropical Storm Warnings will probably be required for the island this weekend. Bermuda will be on the left (weak) side of Ophelia, so will miss the storm's strongest winds and heaviest rains. Ophelia may be a threat to Southeast Newfoundland early next week.

In the far eastern Atlantic, Tropical Storm Philippe is headed northwest into the middle of the North Atlantic, and is not expected to trouble and land areas. Wind shear is high enough over Philippe that the storm may dissipate by 4 - 5 days from now.

Typhoon Nesat headed towards China
Typhoon Nesat is headed west towards a landfall on China's Hainan Island on Thursday, and in northern Vietnam just south of Hanoi on Friday. Nesat is a large but disorganized Category 1 storm, and will not have time to strengthen significantly before landfall. However, Nesat is a very wet storm, capable of dropping over a foot of rain in 24 hours, according to latest satellite rainfall forecasts. Nesat roared across Luzon Island in the Philippines Monday as a powerful Category 3 typhoon with 120 mph winds, leaving 20 people dead and severe flooding problems.


Figure 2. Predicted rainfall amounts for the 24 hours ending at 06 UTC on Thursday September 29 show the Nesat is expected to dump over a foot of rain (red colors) along where its southern eyewall tracks. Image credit: NOAA/NESDIS.

Eastern Pacific's Hurricane Hilary steadily weakening
In the Eastern Pacific, Hurricane Hilary has weakened to a Category 1 hurricane with 90 mph winds. Continued weakening will occur over the next few days, and all of the models show Hilary dissipating before reaching the coast. Moisture from Hilary will not reach the U.S.

Jeff Masters
Categories: Hurricane
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Reader Comments
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251. RitaEvac 10:24 PM GMT on September 28, 2011    
Quoting aprinz1979:


Page has been moved or no longer available


google it
Member Since: July 14, 2008 Posts: 1 Comments: 8912
252. HadesGodWyvern 10:28 PM GMT on September 28, 2011    
Here is the latest Tropical Cyclone Bulletin issued by the Hong Kong Observatory.


The No. 8 Southeast Gale or Storm Signal is in force.


This means that winds with mean speeds of 63 km/h or more are expected from the southeast quarter.

Typhoon Nesat was centered about 360 kilometers south-southwest of Hong Kong and is forecast to move west-northwest at about 22 km/h across the northern part of the South China Sea in the general direction of Hainan Island to western Guangdong.

Under the influence of Nesat's broad circulation, local winds continue to strengthen this morning and gale force winds are affecting many areas. In the past hour, the maximum sustained winds recorded at Cheung Chau and Peng Chau were 81 and 76 km/h respectively.

According to the present forecast track, Nesat will be closest to Hong Kong this morning, passing around 350 kilometres south-southwest of Hong Kong. High winds are expected to persist this morning and there will also be squally showers. The number 8 gale or storm signal will remain in force for most of the morning.
Member Since: May 24, 2006 Posts: 43 Comments: 36687
253. aprinz1979 10:28 PM GMT on September 28, 2011    
Quoting TropicalAnalystwx13:
Warning!

Please ignore the bloggers magoubly and Runferyourlives IMMEDIATELY!!

They/he/she sent me two messages on both accounts with the countless images that messed up the blog!

This is NO joke!


Just got 10 messages from Magoubly. Delete them without reading?
Member Since: October 5, 2010 Posts: 0 Comments: 259
254. AstroHurricane001 10:29 PM GMT on September 28, 2011    
Interesting fall low pressure area:

Member Since: August 30, 2008 Posts: 8 Comments: 2811
255. TropicalAnalystwx13 10:29 PM GMT on September 28, 2011    
Quoting aprinz1979:


Just got 10 messages from Magoubly. Delete them without reading?

Yeah, I'd delete them.

*They're just a LOT of monkeys dancing or something*
Member Since: July 6, 2010 Posts: 89 Comments: 25321
256. radikalweather 10:30 PM GMT on September 28, 2011    
hello all!

no rain for us in northern puerto rico (arecibo) and the heat was horrible even though wind direction was from the north, the forecast tomorrow is that is going to shift to the south so i will expect even more heat, anyways in PR there is not a such thing as autumn, winter or spring...

i personally wanted some ophelia rain hehe
Member Since: October 7, 2005 Posts: 10 Comments: 6
257. aprinz1979 10:32 PM GMT on September 28, 2011    
Quoting TropicalAnalystwx13:

Yeah, I'd delete them.

*They're just a LOT of monkeys dancing or something*


He's sent more than 500 messages, I keep selecting all in one page and deleting and he sends them faster than I can delete!
Member Since: October 5, 2010 Posts: 0 Comments: 259
258. JLPR2 10:34 PM GMT on September 28, 2011    
Quoting aprinz1979:


He's sent more than 500 messages, I keep selecting all in one page and deleting and he sends them faster than I can delete!


Just block the blockhead's messages.
Member Since: September 4, 2007 Posts: 7 Comments: 7487
259. DDR 10:34 PM GMT on September 28, 2011    
How unfortunate,a tiny feeder band undoubtedly enhanced by Dominica's mountains,this flooding news surprised me.
Member Since: April 27, 2007 Posts: 13 Comments: 1475
260. HuracandelCaribe 10:35 PM GMT on September 28, 2011    
me too
Quoting radikalweather:
hello all!

no rain for us in northern puerto rico (arecibo) and the heat was horrible even though wind direction was from the north, the forecast tomorrow is that is going to shift to the south so i will expect even more heat, anyways in PR there is not a such thing as autumn, winter or spring...

i personally wanted some ophelia rain hehe

Member Since: August 12, 2007 Posts: 0 Comments: 169
261. DDR 10:36 PM GMT on September 28, 2011    
I've seen first hand what these feeder bands can do,Trinidad and Tobago get ravaged from time to time,the last time was Thomas in 2010.
Member Since: April 27, 2007 Posts: 13 Comments: 1475
262. TropicalAnalystwx13 10:41 PM GMT on September 28, 2011    
Quoting aprinz1979:


He's sent more than 500 messages, I keep selecting all in one page and deleting and he sends them faster than I can delete!

Block him.
Member Since: July 6, 2010 Posts: 89 Comments: 25321
263. Tygor 10:41 PM GMT on September 28, 2011    
Quoting violet312s:


Sigh. I so feel for you folks in Texas.


Nah, it's not too bad. Nothing like 100s and dry going into October. We've all forgotten what anything else feels like so we don't know what we're missing :) Everything is dead already, not like rain and cool is going to do anything besides lift spirits.
Member Since: May 6, 2011 Posts: 0 Comments: 128
266. txjac 10:48 PM GMT on September 28, 2011    
Quoting Tygor:


Nah, it's not too bad. Nothing like 100s and dry going into October. We've all forgotten what anything else feels like so we don't know what we're missing :) Everything is dead already, not like rain and cool is going to do anything besides lift spirits.


I'd take some lifted spirits rigt now ...would love nothing more than to hear some rain. We did get to see a lightening show last night ...no rain though unfortunately
Member Since: April 24, 2010 Posts: 0 Comments: 1566
267. txjac 10:49 PM GMT on September 28, 2011    
Quoting Hurricyclone:

Nah..
There not that great.


Sounds like you are a photagrapher like me!
Member Since: April 24, 2010 Posts: 0 Comments: 1566
268. WeatherfanPR 10:53 PM GMT on September 28, 2011    
I opened the magoubly messages and I saw a crazy monkey. now I can't delete the magoubly messages !!!
Member Since: August 23, 2006 Posts: 0 Comments: 1506
269. TropicalAnalystwx13 10:54 PM GMT on September 28, 2011    
Quoting WeatherfanPR:
I opened the magoubly messages and I saw a crazy monkey. now I can't delete the magoubly messages !!!

Just keep pressing the delete button
Member Since: July 6, 2010 Posts: 89 Comments: 25321
271. aprinz1979 10:58 PM GMT on September 28, 2011    
Quoting TropicalAnalystwx13:

Just keep pressing the delete button


Same thing happened to me. Delete and then press refresh
Member Since: October 5, 2010 Posts: 0 Comments: 259
272. WeatherfanPR 10:58 PM GMT on September 28, 2011    
Quoting TropicalAnalystwx13:

Just keep pressing the delete button



I just deleted the messages. thanks
Member Since: August 23, 2006 Posts: 0 Comments: 1506
273. JLPR2 10:59 PM GMT on September 28, 2011    
Central convection keeps waning.



Member Since: September 4, 2007 Posts: 7 Comments: 7487
274. WeatherfanPR 10:59 PM GMT on September 28, 2011    
Quoting aprinz1979:


Same thing happened to me. Delete and then press refresh


done. thanks
Member Since: August 23, 2006 Posts: 0 Comments: 1506
275. Patrap 11:02 PM GMT on September 28, 2011    
O man, the Gust front dropped the temps a good 10f and the N east wind is delicious.

Member Since: July 3, 2005 Posts: 371 Comments: 111578
276. superpete 11:05 PM GMT on September 28, 2011    
Quoting aprinz1979:


Just got 10 messages from Magoubly. Delete them without reading?
Last night I had both my Macbook & Desktop freeze up due to these trolls posting the junk they did.Couldnt even get onto WU to update the ignore list! Now I read the first few posts & any suspect names that get a mention, straight into the IGNORE box...
Member Since: October 10, 2007 Posts: 0 Comments: 498
277. nash28 11:07 PM GMT on September 28, 2011    
Yo admin!!!

IP BLOCK!!!! NOW!

This is ridiculous!!! F'ing trolls. I have over 3000 mails in my box now. Awesome.
Member Since: July 11, 2005 Posts: 190 Comments: 16972
278. stormwatcherCI 11:08 PM GMT on September 28, 2011    
Quoting superpete:
Last night I had both my Macbook & Desktop freeze up due to these trolls posting the junk they did.Couldnt even get onto WU to update the ignore list! Now I read the first few posts & any suspect names that get a mention, straight into the IGNORE box...
Hey Pete , how are you? You get any rain today ? East End poured.
Member Since: October 9, 2008 Posts: 0 Comments: 8040
281. JLPR2 11:14 PM GMT on September 28, 2011    
Quoting Hurricyclone:


Isn't that supposed to happen at this time period?
Sorry if I am wrong, it's just past corrections with Phillipe.
:P


O is already a 50mph storm so it should be able to maintain itself a little better, but that doesn't seem to be the case; should look better with the help of D-max.
Member Since: September 4, 2007 Posts: 7 Comments: 7487
282. superpete 11:16 PM GMT on September 28, 2011    
Quoting stormwatcherCI:
Hey Pete , how are you? You get any rain today ? East End poured.
Hi CI! Sprinkled here in Savannah for a short while,then dried up quick.Been getting the odd early morning downpour a couple nights this week too.Waiting for the heat to drop soon..LOL
Member Since: October 10, 2007 Posts: 0 Comments: 498
284. BDADUDE 11:34 PM GMT on September 28, 2011    
When i tried to login there were thousands of pictures of Taz white water rafting. It was weird, then a scripting error came up.
Member Since: September 3, 2008 Posts: 0 Comments: 602
286. BDADUDE 11:36 PM GMT on September 28, 2011    
Quoting Hurricyclone:

LOLWTF


It was very strange. what were the Trolls doing to Taz?
Member Since: September 3, 2008 Posts: 0 Comments: 602
287. tornadodude 11:37 PM GMT on September 28, 2011    
good evening everyone
Member Since: June 28, 2006 Posts: 22 Comments: 7816
288. BDADUDE 11:38 PM GMT on September 28, 2011    
Member Since: September 3, 2008 Posts: 0 Comments: 602
289. TropicalAnalystwx13 11:39 PM GMT on September 28, 2011    
Quoting BDADUDE:
When i tried to login there were thousands of pictures of Taz white water rafting. It was weird, then a scripting error came up.

Last night...yeah...

If anybody gets any emails from somebody other than the bloggers I warned everybody about, and they are spamming (like the crazy monkies), please report it to all of us immediately so we can ignore them.

We saw what happened last night...People that were on the blog had no problem, well, other than the spam. But people who tried getting on the blog couldn't.
Member Since: July 6, 2010 Posts: 89 Comments: 25321
290. Neapolitan 11:39 PM GMT on September 28, 2011    
Just remember, you don't actually need to open this page to put someone on ignore. Just enter the following in your browser's address bar (with no space as you see here after the 'o' in 'ignore'):

http://www.wunderground.com/blog/YOUR_HANDLE/igno reuser.html?user=TROLL'S_HANDLE

Then just click the 'Update Ignored List' button, and the emotionally disturbed individual will go away.
Member Since: November 8, 2009 Posts: 4 Comments: 11166
291. TropicalAnalystwx13 11:40 PM GMT on September 28, 2011    
Quoting Neapolitan:
Just remember, you don't actually need to open this page to put someone on ignore. Just enter the following in your browser's address bar (with no space as you see here after the 'o' in 'ignore'):

http://www.wunderground.com/blog/YOUR_HANDLE/igno reuser.html?user=TROLL'S_HANDLE

Then just click the 'Update Ignored List' button, and the emotionally disturbed individual will go away.

If you aren't on the blog, you can't find out the user, like I had to deal with last night, lol.

I guess you could always email another blogger to get the name.
Member Since: July 6, 2010 Posts: 89 Comments: 25321
293. stormwatcherCI 11:41 PM GMT on September 28, 2011    
Quoting superpete:
Hi CI! Sprinkled here in Savannah for a short while,then dried up quick.Been getting the odd early morning downpour a couple nights this week too.Waiting for the heat to drop soon..LOL
Waiting for it to drop or praying for it to drop ?
Member Since: October 9, 2008 Posts: 0 Comments: 8040
294. Neapolitan 11:44 PM GMT on September 28, 2011    
Quoting TropicalAnalystwx13:

If you aren't on the blog, you can't find out the user, like I had to deal with last night, lol.

That's not quite true. Simply open up another browser window where you are not logged in to Wunderground, and all the new user's posts will be hidden. It's very simple from there to see who the offender is and plug their name into the link I provided.
Member Since: November 8, 2009 Posts: 4 Comments: 11166
295. JLPR2 11:44 PM GMT on September 28, 2011    
Quoting Hurricyclone:
JLPR2 you got Wundermail.


No I don't. :\
Member Since: September 4, 2007 Posts: 7 Comments: 7487
298. TropicalAnalystwx13 11:47 PM GMT on September 28, 2011    
Quoting Neapolitan:

That's not quite true. Simply open up another browser window where you are not logged in to Wunderground, and all the new user's posts will be hidden. It's very simple from there to see who the offender is and plug their name into the link I provided.

but see, that's assuming you are able to get on the blog.

I left for a while yesterday, and when I came back, I could get the blog, but the comments page wouldn't pull up, therefore, I couldn't see any posts all at.
Member Since: July 6, 2010 Posts: 89 Comments: 25321
299. BDADUDE 11:48 PM GMT on September 28, 2011    
Member Since: September 3, 2008 Posts: 0 Comments: 602
301. aprinz1979 11:54 PM GMT on September 28, 2011    
there's a new one

Stormtopmodel sent me about 600 emails. Ignore him!
Member Since: October 5, 2010 Posts: 0 Comments: 259

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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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