Dr. Jeff Masters' WunderBlog

Nate makes landfall; Maria organizing, but pulling away from the islands
Posted by: Dr. Jeff Masters, 16:15 GMT le 11 septembre 2011 +20
Tropical Storm Nate made landfall at 11 am EDT this morning just north of Barra de Nautla in the Mexican state of Veracruz, as a tropical storm with 45 mph winds. Satellite loops show that there is very little heavy thunderstorm activity associated with Nate, and the storm should not cause significant flooding or damage as it pushes inland and dissipates later today.


Figure 1. Visible satellite image of Nate as it made landfall in the Veracruz state of Mexico near 11 am EDT Sunday, September 11, 2011.

Tropical Storm Maria
Tropical Storm Maria has managed to organize in the face of the persistent moderate wind shear that has affected it, and now looks a little more like a tropical storm should. Though the center of circulation lies partially exposed to view, satellite imagery shows a large area of heavy thunderstorms lies to the northeast of Maria's center. These rains and the storm's strongest winds lie well away from the Lesser Antilles Islands, though one spiral band is bringing heavy rains to the islands, as seen on Martinique radar. A wind gust of 40 mph was reported on St. Martin at 11 am EDT, and one of 36 mph affected St. Kitts and Nevis at 9 am EDT during a rain squall. The trough of low pressure that is bringing hostile wind shear to Maria is predicted to slowly weaken over the next few days, which should allow the storm to grow to hurricane strength by Tuesday. On Wednesday, Maria will be making its closest approach to Bermuda, and the island could see sustained winds in the 20 - 40 mph range. Most of the models show that Maria will brush or strike Newfoundland, Canada on Friday or Saturday, and residents there should anticipate the possibility of tropical storm conditions late this week.


Figure 2. Morning satellite image of Tropical Storm Maria.

Extratropical Storm Katia
Hurricane Katia brushed by Newfoundland, Canada yesterday morning, and is now racing east-northeast at 50 - 60 mph across the open Atlantic. On Monday, the storm will pass very close to the northern British Isles, bringing winds of 50 - 60 mph to the offshore waters of Northern Ireland and Western Scotland. Ex-Katia will bring 2 - 4 inches of rain to the coast, and its strong winds will likely cause significant tree damage and power failures.


Figure 3. The center of Extratropical Storm Katia is predicted to pass just north of the British Isles on Monday, bringing a large area 45 - 50 knots (52 - 58 mph, red colors) to the coast. This wind forecast is from the 00Z (8 pm EDT) run of the GFS model made last night. To convert from knots to mph, multiply by 1.15.

Elsewhere in the tropics
Most of the models predict the development of a tropical depression or strong tropical disturbance 5 - 6 days from now off the coast of Africa.

I'll have an update Monday morning. Peace to all this September 11!

Jeff Masters
Categories: Hurricane
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201. TropicalAnalystwx13 19:41 GMT le 11 septembre 2011    
Quoting ConnecticutWXGuy:
CV storms don't just automatically shut show in the middle of September. They have occurred as late as November before, in my life time.


And as early as July.
Member Since: 6 juillet 2010 Posts: 89 Comments: 25315
202. aspectre 19:44 GMT le 11 septembre 2011    
Hard to believe we've been at War for 10years. Really not fair to the troops to be engaged for so long.
What the US military is s'poseta be doing is making it unnecessary to go to war. The soldiers are s'poseta be mostly doing maintenance, training, and guard duty during peacetime.
These guys and gals, all volunteers, are doin' hard time far too often for far too long.
Member Since: 21 août 2007 Posts: 0 Comments: 4846
203. aspectre 19:44 GMT le 11 septembre 2011    
19.2n64.1w has been re-evaluated&altered for TS.Maria's_6pmGMT_ATCF
19.0n64.0w, 19.5n64.9w are now the most recent positions
Starting 10Sept_6pmGMT and ending 11Sept_6pmGMT

The 4 eastern line-segments represent TropicalStormMaria's path,
the westernmost line-segment is the straightline projection,
and the island blob at 30.136n81.349w-fd48 is the endpoint of straightline projection on the most
recent*previous*mapping
connected to its nearest airport.

Using straightline projection of the travel-speed&heading derived from the
ATCF coordinates spanning the 6hours between 12pmGMT then 6pmGMT :
TS.Maria's travel-speed was 11.3mph(18.2k/h) on a heading of 300.5degrees(WNW)
TS.Maria was headed toward passage over SavannahSound,Eleuthera,Bahamas ~2days22hours from now

Copy&paste 30.136n81.349w-fd48, 17.5n62.0w-18.0n62.6w, 18.0n62.6w-18.6n63.3w, 18.6n63.3w-19.0n64.0w, 19.0n64.0w-19.5n64.9w, rsd, 19.0n64.0w-25.09n76.12w into the GreatCircleMapper for more info

The previous mapping (for 11Sept_12pmGMT)

* The alteration of the endpoint of a TropicalCyclone's previous path also changes its previous travel-speed&heading -- sometimes quite noticeably as in this case from NW to WNW -- and the endpoint of its previous straightline projection...
...but I'm choosing to preserve the historicity of the mappings.
Member Since: 21 août 2007 Posts: 0 Comments: 4846
204. weatherh98 19:46 GMT le 11 septembre 2011    
Quoting aspectre:
Hard to believe we've been at War for 10years. Really not fair to the troops to be engaged for so long.
What the US military is s'poseta be doing is making it unnecessary to go to war. The soldiers are s'poseta be mostly doing maintenance and guard duty during peacetime.
These guys (all volunteers) are doin' hard time for far too long.


fighting for you and me with there life so thankful for it though
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
205. WeatherNerdPR 19:51 GMT le 11 septembre 2011    
Maria's kinda sheared...
Member Since: 7 juillet 2010 Posts: 0 Comments: 5464
206. Bayside 19:52 GMT le 11 septembre 2011    
Quoting charlottefl:



Yeah well I'm working on a roof mount solution. All in good time. There is a big difference between the wind at the ground blocked by trees and being in the open. But that raises a question for me. Even though the wind reading are less, are they necessarily inaccurate? Or are they accurate for the location they are based in? Just something to think about. After all most structures aren't 33ft AGL..


I mounted mine on my pilings near my boat because I wanted to know the wind speeds in that location, if I want unobstructed winds on the chesapeake, there are plenty of buoys I can check. This way during storms I know what winds are hitting my boats in their protected slips. I registered the strongest gust at 68mph during Irene.
Member Since: 4 septembre 2008 Posts: 0 Comments: 65
207. banjowes 19:53 GMT le 11 septembre 2011    
Although your predictions called for Irene to slam us as it did your accurate forcasting is appreciated more than you will ever know on Hatteras Island. Thank you

Wes
Member Since: 20 août 2008 Posts: 0 Comments: 0
209. surfsidesindy 20:00 GMT le 11 septembre 2011    
Quoting islander101010:
hugo developed on the 8th of sept http://en.wikipedia.org/wiki/Hurricane_Hugo going to have to get another cat if you live by the water in merritt island florida its invested with guess what i hate those things


? did I miss something? invested? infested? Boy, what a crazy blog today!
Member Since: 7 septembre 2005 Posts: 0 Comments: 287
210. Bayside 20:01 GMT le 11 septembre 2011    
Quoting banjowes:
Although your predictions called for Irene to slam us as it did your accurate forcasting is appreciated more than you will ever know on Hatteras Island. Thank you

Wes


How's Hatteras now? I was supposed to be coming down next weekend, but have cancelled since Irene. It's my favorite place on the outer banks!
Member Since: 4 septembre 2008 Posts: 0 Comments: 65
213. 7544 20:02 GMT le 11 septembre 2011    
hi all well cant relly tell if shes moving w-wnw-or nw but if she still reamains this weak for another 24hours could she head more west and closer to the bahamas as predicted and does these strong trofs pick up weak storms like maria . onlyasking cause the forcast was having a hurricane at this time shes no way near there yet tia
Member Since: 6 mai 2007 Posts: 0 Comments: 5925
214. KEEPEROFTHEGATE (Mod) 20:02 GMT le 11 septembre 2011    
Quoting weatherh98:
blog is to slow so it is xbox time
i know going to play a round of defcon guess
Member Since: 15 juillet 2006 Posts: 143 Comments: 40565
215. weatherh98 20:04 GMT le 11 septembre 2011    
Quoting KEEPEROFTHEGATE:
i know going to play a round of defcon guess


cod zombies acension anyway gotta go but, maria looks to be weekening
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
216. WeatherNerdPR 20:05 GMT le 11 septembre 2011    
Quoting weatherh98:
blog is to slow so it is xbox time

IPAD TIME! LOL
L8R
Member Since: 7 juillet 2010 Posts: 0 Comments: 5464
217. EYEStoSEA 20:06 GMT le 11 septembre 2011    
Maria looks like a blowfish....blowing at W-Nerd :O

Member Since: 16 septembre 2010 Posts: 0 Comments: 1491
218. charlottefl 20:16 GMT le 11 septembre 2011    
Quoting Bayside:


I mounted mine on my pilings near my boat because I wanted to know the wind speeds in that location, if I want unobstructed winds on the chesapeake, there are plenty of buoys I can check. This way during storms I know what winds are hitting my boats in their protected slips. I registered the strongest gust at 68mph during Irene.


That's kinda what I was getting at. Winds at 33ft are honestly useless to me cause I don't live at 33ft AGL, and those aren't the winds affecting my dwelling..
Member Since: 18 décembre 2006 Posts: 7 Comments: 2672
219. aspectre 20:17 GMT le 11 septembre 2011    
aspectre "What the US military is s'poseta be doing is making it unnecessary to go to war. The soldiers are s'poseta be mostly doing maintenance and guard duty during peacetime."
208 seafarer459 "Says Who? Right, Wrong, or Indifferent. The job of a soldier, is to follow orders. No more, No less. Nuremberg still applies."

Says the US military -- which you obviously haven't experienced -- and the Laws of the Land.
The job of a US soldier is to obey lawful orders to the extent that the nearby tactical situation allows. And to disobey all unlawful orders, as well as to modify tactical orders from above to the situation at hand.
US troops are expected to be the opposite of robots: to use their minds to choose&do what's Right.
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220. LovetoaMuse 20:20 GMT le 11 septembre 2011    
This still from an animation looks like the question mark puffed itself back up after squishing though the Northern Antilles. 
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221. ncstorm 20:20 GMT le 11 septembre 2011    
has anyone noticed that Maria is south and west of her forecast points depicted by the models?

Member Since: 19 août 2006 Posts: 7 Comments: 8434
222. charlottefl 20:22 GMT le 11 septembre 2011    
Quoting ncstorm:
has anyone noticed that Maria is south and west of her forecast points depicted by the models?



Yeah, and I know this will change, but wondering when our next trough is going to change this setup and allow her to move NW?

Member Since: 18 décembre 2006 Posts: 7 Comments: 2672
223. seafarer459 20:23 GMT le 11 septembre 2011    
Quoting aspectre:
aspectre "What the US military is s'poseta be doing is making it unnecessary to go to war. The soldiers are s'poseta be mostly doing maintenance and guard duty during peacetime."
208 seafarer459 "Says Who? Right, Wrong, or Indifferent. The job of a soldier, is to follow orders. No more, No less. Nuremberg still applies."

Says the US military -- which you obviously haven't experienced -- and the Laws of the Land.
The job of a soldier is to obey lawful orders to the extent that the nearby tactical situation allows.
And to disobey all unlawful orders, as well as to modify tactical orders from above to the situation at hand.
US troops are expected to be the opposite of robots: to use their minds to choose and to do what's Right.

Firstly... The Nuremberg thingy, shoulda gave ya a clue.
And any time you want to accompany me, to the VA, twice a month for treatment. Your welcome to.
Member Since: 16 juillet 2006 Posts: 2 Comments: 515
225. seafarer459 20:28 GMT le 11 septembre 2011    
Quoting Wstorm:


What a strange storm shape
Looks like A familiar face???
Member Since: 16 juillet 2006 Posts: 2 Comments: 515
228. 7544 20:30 GMT le 11 septembre 2011    
Quoting ncstorm:
has anyone noticed that Maria is south and west of her forecast points depicted by the models?



if thats so we could see a new cone change from the nhc soon or she just might get on track by making that right turn the big ? is when
Member Since: 6 mai 2007 Posts: 0 Comments: 5925
229. JNCali 20:30 GMT le 11 septembre 2011    
Gotta watch Maria.. she sneaky
Member Since: 9 septembre 2010 Posts: 5 Comments: 1032
230. Levi32 20:34 GMT le 11 septembre 2011    
Quoting Sfloridacat5:
It's Stormw!

Nice to see you posting in the forum.


No it's not him....don't be gullible.
Member Since: 24 novembre 2005 Posts: 586 Comments: 25450
232. Sfloridacat5 20:35 GMT le 11 septembre 2011    
Quoting Levi32:


No it's not him....don't be gullible.


Oh man, had me going.
I thought storm was back. :(
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234. Tazmanian 20:36 GMT le 11 septembre 2011    
guys this is not the real storm W hes a troll acting like storm W
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
235. Tazmanian 20:37 GMT le 11 septembre 2011    
Quoting Sfloridacat5:


Oh man, had me going.
I thought storm was back. :(



nop
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
236. Bayside 20:37 GMT le 11 septembre 2011    
Quoting charlottefl:


That's kinda what I was getting at. Winds at 33ft are honestly useless to me cause I don't live at 33ft AGL, and those aren't the winds affecting my dwelling..


That's what it sounded like. I thought about all options, but in the end I waited to know the windspeed for the boats in storms, I'm usually calmed down by the thing because it's not blowing quite as strong where they are as it seems thanks to the houses and trees around, sure wonder what the boats looked like in a 68mph gust, but I wouldn't have been happy to watch, but we were under evacuation orders and didn't stick around to watch.
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237. Tazmanian 20:39 GMT le 11 septembre 2011    
he not storm W you guys i got a e mail from him and he said he a new poster new Wstorm
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238. emcf30 20:40 GMT le 11 septembre 2011    
This place is a trip at times. LOL
Member Since: 7 août 2010 Posts: 0 Comments: 1926
239. Sfloridacat5 20:42 GMT le 11 septembre 2011    
Quoting Tazmanian:
he not storm W you guys i got a e mail from him and he said he a new poster new Wstorm


Using stormw's photo?

This is strange to say the least.
Member Since: 16 septembre 2007 Posts: 0 Comments: 2026
240. 7544 20:42 GMT le 11 septembre 2011    
still moving wnw at 5pm adv
still 60 mph winds

when is this nw suppose to come in play ?
Member Since: 6 mai 2007 Posts: 0 Comments: 5925
241. FrankZapper 20:44 GMT le 11 septembre 2011    
Quoting Wstorm:


Actually I am Wstorm, really named after Wilma (the only W storm at this point) which caused extensive damage to my home in Everglades City.
If you're not the real StormW you can't use his picture.
Member Since: 26 mai 2011 Posts: 0 Comments: 1193
242. Tazmanian 20:44 GMT le 11 septembre 2011    
Quoting Sfloridacat5:


Using stormw's photo?

This is strange to say the least.




yup
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
244. ecflweatherfan 20:45 GMT le 11 septembre 2011    
Quoting islander101010:
hugo developed on the 8th of sept http://en.wikipedia.org/wiki/Hurricane_Hugo going to have to get another cat if you live by the water in merritt island florida its invested with guess what i hate those things


huh? can someone make sense of this?
Member Since: 19 Mars 2010 Posts: 0 Comments: 947
245. Tazmanian 20:46 GMT le 11 septembre 2011    
Quoting tropicfreak:


Hey stormW!!!!!!!! Great to see that your ban was lifted!




thats not him
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
246. Tazmanian 20:46 GMT le 11 septembre 2011    
Quoting tropicfreak:


Hey stormW!!!!!!!! Great to see that your ban was lifted!



look at his name its not stormW
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
247. tropicfreak 20:47 GMT le 11 septembre 2011    
Quoting Tazmanian:



look at his name its not stormW


Sorry taz when I see that pic, I automatically think stormw, sorry.
Member Since: 2 septembre 2006 Posts: 110 Comments: 6566
249. kookiekrumb 20:48 GMT le 11 septembre 2011    
so sad that Nate didn't go where he was needed so much!
poor texas is dried up and burning. The air quality is no good and people with respiratory problems can't go outside.

Is there and chance of a TS arriving sometime this season?
Member Since: 10 septembre 2011 Posts: 0 Comments: 2
250. Tazmanian 20:48 GMT le 11 septembre 2011    
Quoting tropicfreak:


Sorry taz when I see that pic, I automatically think stormw, sorry.



nop this report him and he be gone
Member Since: 21 mai 2006 Posts: 5088 Comments: 111354
251. FrankZapper 20:48 GMT le 11 septembre 2011    
Quoting Wstorm:


Actually I am Wstorm, really named after Wilma (the only W storm at this point) which caused extensive damage to my home in Everglades City.
Are you T. F. “STORM” WALSH?
Member Since: 26 mai 2011 Posts: 0 Comments: 1193

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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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