Dr. Jeff Masters' WunderBlog

Powerful Norbert takes aim at Mexico's Baja
Posted by: Dr. Jeff Masters, 12:45 PM GMT on October 09, 2008 +1
The tropical Atlantic is quiet, and no reliable computer models forecast tropical cyclone development over the next four days. The UKMET model continues to predict a tropical depression could spin up in the middle Atlantic between Africa and the Lesser Antilles Islands about five days from now. Climatology does not favor development in this region in October. A better chance for development will be over the Caribbean a week from now, and most of the models indicate the possibility of a Caribbean storm developing 5-7 days from now. The preferred genesis locations in the models are near the coast of Nicaragua, and near Puerto Rico.


Figure 1. Latest satellite image of Norbert.

Hurricane Norbert takes aim at Baja
Hurricane Norbert has weakened since yesterday's impressive Category 4 showing, but still remains a dangerous major hurricane over the Eastern Pacific Ocean. Infrared satellite loops show a well-formed eye with a large area of heavy thunderstorms, but the cloud tops have warmed today, indicating that they are not as vigorous and do not extend as high into the atmosphere. There is excellent upper-level outflow in all quadrants, and wind shear remains low, near 5 knots. The satellite appearance has not changed significantly in the past eight hours. Norbert may go through an eyewall replacement cycle today, where the main inner eyewall collapses, and a new outer eyewall forms. This process could cause a temporary weakening of the storm. The first Hurricane Hunter mission into Norbert is scheduled for this afternoon.

With the exception of the GFS, the computer models continue to be tightly clustered around a landfall in southwestern Baja near San Carlos, 150 miles north of the southern tip of Baja, on Saturday afternoon. The GFS solution of Norbert stalling off the coast and dissipating is unrealistic. Wind shear is about 5 knots over Norbert, and the waters are a warm 28.5°C. The waters along Norbert's path are unusually warm for this time of year, about 1-3° C above average (Figure 2). However, these warm waters do not extend very deep, and the total oceanic heat content is low. Once Norbert crosses Baja and enters the Gulf of California, total heat content increases, but Norbert will not be over these warm waters long enough to take advantage of the extra heat. As Norbert approaches Baja on Friday, wind shear is expected to increase to 15 knots and sea surface temperatures will cool to 27°C. These conditions will still support a major hurricane, and it is possible that Norbert will make landfall as a major hurricane. The latest 2 am EDT run of the GFDL model predicts landfall Saturday afternoon as a strong Category 2 hurricane with 110 mph winds. The latest HWRF model predicts a Category 3 hurricane with 120 mph winds. The SHIPS models is weaker, putting Norbert at Category 1 strength with 95 mph winds. The official NHC forecast of a Category 2 hurricane at landfall looks like a reasonable compromise. Tropical storm force winds should extend outwards about 130 miles at landfall, so the southern tip of Baja (San Lucas) will probably see sustained winds of 30-35 mph, should Norbert hit near San Carlos. One can look at the forecast radius of tropical storm force winds by clicking on the wundermap for Norbert, then selecting "wind radius" in the check boxes at the bottom of the page.

Crossing rugged Baja will probably knock Norbert down a full Category, by about 20-25 mph. The storm will still pack a solid punch when it makes it second landfall on mainland Mexico north of Los Mochis. Rainfall amounts in mainland Mexico will be 4-8 inches, and 6-10 inches over Baja. Norbert's remains should bring 1-2 inches of rain to portions of western Texas and southeastern New Mexico.


Figure 2. Departure of Sea Surface Temperature (SST) from average for October 6, 2008. Note the region being traversed by Norbert is 1-3 °C above average. Image credit: NOAA.

Baja hurricane history
Major hurricanes are rare on the Pacific Coast of Mexico, particularly as far north as Baja. Since record keeping began in 1949, only two Category 3 or stronger hurricanes have hit Baja (Figure 3). Hurricane Kiko of 1989 hit the east coast of Baja near Buenavista, as a Category 3 hurricane with 115 mph winds. Kiko produced destructive winds of up to 110 mph (180 km/h) in Cabo San Lucas, and caused severe damage throughout the southern tip of Baja California. Hurricane Oliva of 1967 made landfall as a Category 3 hurricane with 125 mph winds farther north on the east coast of Baja, in a sparsely populated area. No major hurricanes have hit the west coast of Baja since 1949, so Norbert would be the first on record if it maintains Category 3 strength at landfall.


Figure 3. Tracks of major hurricanes affecting Mexico's Baja Peninsula between 1949-2007. Image credit: NOAA Coastal Services Center.


Thursday update on Hurricane Ike relief efforts
Today's update from Paul Timmons (Presslord) on the Hurricane Ike relief effort started by wunderground members Patrap, Presslord, and Stormjunkie:

While the devastating aftermath of hurricane Ike seems no longer to capture the interest of mainstream media, we all know that the needs continue. Chief Dickie Uzzle of the Bridge City, TX, fire department has informed us that only 14 homes in that community (population: 8700) did not sustain ruinous water damage. Many families continue to live in tents in front of their homes, with ALL of their personal belongings piled in the yard awaiting removal.

Laura Cremans, Manager of the Churches of Christ distribution center in Bridge City tells us " Only one truck of supplies has come here since Ike made landfall. We are desperate here."

This is the list of specific needs that we are currently attaining and working to attain for the rural populations and the disabilities community along the Texas Gulf Coast. We have worked closely with several local relief efforts as well as municipalities to identify these needs.


Undergarments
Socks
Men's & Women's Clothing (we already have a commitment for a substantial number of men's and women's pants)

Air Mattresses
Blankets/Sleeping bags
Tents
Insect repellent
All baby items
Formula (We have a commitment from Meade-Johnson to provide some of this)
Diapers
Rash cream
Wipes
Bottles


Our strategy is to focus on attaining as many of these items as possible through donations from manufacturers and distributors. In the last three and a half days, we have made several dozen contacts to this end and are beginning to get positive results; but we need your help.

If you have any contacts or influence which might facilitate us procuring the items listed above please contact us at presslord@aol.com or admin@stormjunkie.com. All your thoughts and ideas are good. The more input we have, the more impact we can have.This will help us successfully implement our strategy of expending donated funds primarily on transportation and logistics of moving donated goods. In this way, we can most effectively steward the donated funds in the most cost effective manner.

Moving forward...

Moving through October we are committed to adjusting our fund raising effort to leverage the grassroots enthusiasm and generosity generated by our Hurricane Ike relief work.  A more proactive approach will enhance our future effectiveness. We are asking you to consider committing to a monthly pledge amount.  The amount you pledge is less important then the consistency.  A dependable monthly donor base will allow us to strategically plan and prepare for the future and help us successfully execute those plans over the long term. 

Please give thoughtful, prayerful consideration to committing to a monthly pledge amount beginning November 1 and email your intentions to presslord@aol.com.

There is much work yet to be done in helping the victims of Ike. And there will certainly be other victims of other storms we can all serve. By continuing to work together as we have the last 3 1/2 weeks, we can have a profound positive impact on thousands of unserved, underserved, and forgotten people...

Also, please remember: we should all forward this information far and
wide...and frequently..

Thanks!!!!!


Figure 3. Bridge City, Texas, after Hurricane Ike. Image credit: Stormjunkie.

Contributions to this highly worthy portlight.org charity fund are fully tax-deductible, and will go to provide relief supplies for those smaller communities typically bypassed by the traditional relief efforts. More details can be found at StormJunkie's blog.

Jeff Masters
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Reader Comments
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251. NorthxCakalaky 8:19 PM GMT on October 09, 2008    
Winter is on the way.

Blizzard Warning for Alaska.
Winter Storm Watch for South/North Dakota and points west.

---------------------------------------------
Tropics

I expect we will see another hurricane in the East Pacific at anytime from now to 2days.

1-2 more storms in the Atlantic within the hurricane season. 1-2 more after season.
252. extreme236 8:21 PM GMT on October 09, 2008    
I believe the CFS forecasts below average wind shear into December, so wouldn't surprise me to see a storm form in that month.
Member Since: August 2, 2007 Posts: 19 Comments: 19234
253. extreme236 8:22 PM GMT on October 09, 2008    
That is an impressive tropical wave. The UKMET has been persistently developing this system for days.
Member Since: August 2, 2007 Posts: 19 Comments: 19234
254. DDR 8:26 PM GMT on October 09, 2008    
Quoting extreme236:
That is an impressive tropical wave. The UKMET has been persistently developing this system for days.


Does the model recurve this forecasted storm out to sea?
Member Since: April 27, 2007 Posts: 13 Comments: 1473
255. hurricane23 8:27 PM GMT on October 09, 2008    
The ITCZ flareup is probably the disturbance some models are keying in on. A few days ago the gfs was bringing the system to the Leeward islands but since then the model brings down a trough to its north then picks it up and recurves it out east of 45W which is what one would expect this time of year in that region. I doubt if there are any record of any C.V. storms that have made all the way across the atlantic to the U.S. after the end of September. Only if the disturbance were to stay weak down at around 10N there is a much better chance of it crossing the atlantic into the Caribbean.


Member Since: May 14, 2006 Posts: 8 Comments: 13276
256. Drakoen 8:28 PM GMT on October 09, 2008    
Quoting hurricane23:
The ITCZ flareup is probably the disturbance some models are keying in on. A few days ago the gfs was bringing the system to the Leeward islands but since then the model brings down a trough to its north then picks it up and recurves it out east of 45W which is what one would expect this time of year in that region. I doubt if there are any record of any C.V. storms that have made all the way across the atlantic to the U.S. after the end of September. Only if the disturbance were to stay weak down at around 10N there is a much better chance of it crossing the atlantic into the Caribbean.


Unless the ITCZ disturbance gets to the western Caribbean by Monday then I don't think so.
Member Since: October 28, 2006 Posts: 57 Comments: 29010
257. hurricane23 8:30 PM GMT on October 09, 2008    
Again in my view the place to watch will the caribbean sometime next week as upper level winds are forcasted to drop of some.

Strong westerlies are in control now.
Member Since: May 14, 2006 Posts: 8 Comments: 13276
258. HIEXPRESS 8:32 PM GMT on October 09, 2008    
Member Since: October 13, 2005 Posts: 4 Comments: 2153
259. sporteguy03 8:33 PM GMT on October 09, 2008    
Quoting Cotillion:


Just like we shouldn't be 'wasting our time' looking out in the central/eastern Atlantic for Cape Verdes in mid-late June, early July?

Wonder what Bertha would say about that...



hello
Member Since: July 7, 2005 Posts: 0 Comments: 4824
260. CybrTeddy 8:53 PM GMT on October 09, 2008    
Anyone hear the death toll from Ike in USA is 152?
Member Since: July 8, 2005 Posts: 253 Comments: 20233
261. Stormchaser2007 8:54 PM GMT on October 09, 2008    
Quoting CybrTeddy:
Anyone hear the death toll from Ike in USA is 152?


With 300+ still missing....Which makes no sense.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
262. Stormchaser2007 8:56 PM GMT on October 09, 2008    
Fatalities:111 direct, 32 indirect. 400 missing


Source: Wikipedia.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
263. Cotillion 9:00 PM GMT on October 09, 2008    
The toll may not be finalised for some time. Still, continual tragedies of this season is a sad thing. And at this rate, perhaps a continued La Nina/Neutral ENSO next year as well.
Member Since: August 23, 2008 Posts: 7 Comments: 5300
264. farhaonhebrew 9:06 PM GMT on October 09, 2008    
Quoting hurricane23:


Think i knew that lol but either way in my view development in october close to home can have potential to cause problems.Anything out in the eastern/central atlantic would likely get steered north sooner rather then later.
this is a tropical systems blog for hurricanes lovers doesn't matter if they will afect land or not we enjoy seen those smalls areas of low pressures transforming into a beautyfull but powerfull systems...so think again wath u do here...
Member Since: July 14, 2008 Posts: 0 Comments: 235
265. tropics21 9:20 PM GMT on October 09, 2008    
Quoting Drakoen:
Impressive for this time of year. UKMET, NOGAPS, and CMC want to develop it:
could very well develop thanks for the photo
Member Since: August 23, 2008 Posts: 0 Comments: 263
266. HadesGodWyvern 9:25 PM GMT on October 09, 2008    
Tropical Cyclone Warning #24 (2100z 09OCT)
=========================================
At 18:00 PM UTC, Hurricane Norbert (972 hPa) located at 18.3N 112.9W or 335 NM south-southwest of the southern tip of Baja California, Mexico has sustained winds of 80 knots with gusts up to 100 knots. The storm is reported as moving northwest at 4 knots.

INTERESTS IN THE SOUTHERN BAJA CALIFORNIA PENINSULA SHOULD MONITOR THE PROGRESS OF NORBERT. A HURRICANE WATCH MAY SOON BE REQUIRED FOR A PORTION OF THIS AREA.

Hurricane-Force Winds
=======================
30 NM from the center

Storm-Force Winds
================
120 NM from the center

Forecast and Intensity
=========================
24 HRS: 20.5N 113.7W - 75 knots (SSHS-1 CYCLONE)
48 HRS: 24.1N 111.8W - 65 knots (SSHS-1 CYCLONE)
72 HRS: 27.5N 109.0W - 30 knots (DEPRESSION)*

Notes:
----------
* denotes as overland
Member Since: May 24, 2006 Posts: 43 Comments: 36686
267. Orcasystems 9:27 PM GMT on October 09, 2008    
Complete Refresh Blog
Mirror Site
*********Special Additions*********
Hurricane Norbert ... Tracks & Cones
Hurricane Norbert ... Satellite picture
***********************************
Member Since: October 1, 2007 Posts: 77 Comments: 26077
268. tropics21 9:29 PM GMT on October 09, 2008    
Quoting hurricane23:
The ITCZ flareup is probably the disturbance some models are keying in on. A few days ago the gfs was bringing the system to the Leeward islands but since then the model brings down a trough to its north then picks it up and recurves it out east of 45W which is what one would expect this time of year in that region. I doubt if there are any record of any C.V. storms that have made all the way across the atlantic to the U.S. after the end of September. Only if the disturbance were to stay weak down at around 10N there is a much better chance of it crossing the atlantic into the Caribbean.


But this has been a year of surprises anything is possible this year
Member Since: August 23, 2008 Posts: 0 Comments: 263
269. txalwaysprepared 9:32 PM GMT on October 09, 2008    
Quoting CybrTeddy:
Anyone hear the death toll from Ike in USA is 152?


Last I heard was 72. But I am not watching the news much these days. I don't need the news to tell me what has become my reality down here.
Member Since: August 18, 2007 Posts: 0 Comments: 1642
270. txalwaysprepared 9:33 PM GMT on October 09, 2008    
Quoting Stormchaser2007:


With 300+ still missing....Which makes no sense.


Why does it not make sense? Down here we believe the majority of those will never be found. Washed out to sea or eaten by the sharks and gators.
Member Since: August 18, 2007 Posts: 0 Comments: 1642
271. LucieFl 9:34 PM GMT on October 09, 2008    
Asked Bean to send some of his rain a little north. WOW!! Be careful what you ask for. Weather radio has gone off 3 times this afternoon. Tornado watches out and my back porch is flooded.

Lots of lightning!!! Lots of rain. No hail yet
272. WxLogic 9:44 PM GMT on October 09, 2008    
Good evening...
Member Since: August 14, 2008 Posts: 4 Comments: 4667
273. CybrTeddy 9:51 PM GMT on October 09, 2008    
Quoting txalwaysprepared:


Why does it not make sense? Down here we believe the majority of those will never be found. Washed out to sea or eaten by the sharks and gators.


Yea, thats true believe it or not guys, couple my friends that live in the Houston area emailed me about how many are missing, they said that they believe that atleast half of them are dead.
Member Since: July 8, 2005 Posts: 253 Comments: 20233
274. WxLogic 9:57 PM GMT on October 09, 2008    
Well... as I was expecting... 12Z and we'll see about the 18Z models, on the development of a strong High. This will be a key player in determining what potential system tracks will be, if they were to form in the W/NW Carib. based on this High's strength and position.
Member Since: August 14, 2008 Posts: 4 Comments: 4667
275. TEXASYANKEE43 9:59 PM GMT on October 09, 2008    
Last I heard was 72.



That was the Texas body count. I heard there is 2 refers in or near Crystal Beach full of them that they aren't reporting yet......
276. WhereIsTheStorm 10:00 PM GMT on October 09, 2008    
Thought some of you might find this interesting. Cut and past the link into your brower.

Take a Journey to NOAA WORLD!

A newsletter and web site for and about NOAA people --
highlighting the work and achievements of NOAA staff and partners around the world
At http://www.noaaworld.noaa.gov you'll find news, stories, photos, videos and more -- updated continuously. We also have a monthly print newsletter -- download a copy of this month's at http://www.noaaworld.noaa.gov/NEWSLETTER/noaaworld_sep2008.pdf and proudly display NOAA's accomplishments in public areas around your office.
Member Since: August 14, 2006 Posts: 0 Comments: 403
277. KNAStorms92 10:07 PM GMT on October 09, 2008    
I'm Hungry. Less than an Hour left.
Member Since: August 18, 2008 Posts: 4 Comments: 43
278. zoomiami 10:23 PM GMT on October 09, 2008    
Terrible thunderstorms in South Dade, the winds were howling - blew all the big garbage cans everywhere, lots of places with a 1.5 ft of standing water.

Funny part - recycling people hadn't picked up - had a trail of soda cans going down the street 'cause they blew out of the bins.
Member Since: August 13, 2007 Posts: 10 Comments: 4064
279. Stormchaser2007 10:47 PM GMT on October 09, 2008    
Quoting txalwaysprepared:


Why does it not make sense? Down here we believe the majority of those will never be found. Washed out to sea or eaten by the sharks and gators.


Thats what im saying most of that 400 missing are probably (unfortunately) dead.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
280. hurricanemaniac123 10:59 PM GMT on October 09, 2008    
Where Is everybody?
Member Since: September 21, 2008 Posts: 9 Comments: 688
284. aquak9 11:24 PM GMT on October 09, 2008    
SebastianFlorida, you will not accept wu-mail. Why is that?
Member Since: August 13, 2005 Posts: 163 Comments: 25007
285. JetManDo 11:26 PM GMT on October 09, 2008    
Quoting sebastianflorida:
Thiy saay he retuurded, sum saad fouren, I saay smaart thugh


Are you smart enough to take an email?
I think you should.

Member Since: January 14, 2005 Posts: 0 Comments: 99
286. Stormchaser2007 11:27 PM GMT on October 09, 2008    
Member Since: June 9, 2007 Posts: 4 Comments: 15248
287. aquak9 11:28 PM GMT on October 09, 2008    
Why thank you, jetman. Glad I'm not alone on this one.

There's nothing I like better than scaling, cleaning, and gutting.

Sebastian, clean up your posts.
Member Since: August 13, 2005 Posts: 163 Comments: 25007
288. cycloone 11:28 PM GMT on October 09, 2008    
good evening everybody
Member Since: March 2, 2003 Posts: 65 Comments: 1009
289. NRAamy 11:28 PM GMT on October 09, 2008    
281. sebastianflorida 4:08 PM PDT on October 09, 2008

Quoting hurricanemaniac123:
Where Is everybody?
TAZ is giving weekly spelling lessons tonight!


That's not funny, and abuse towards Taz will not be tolerated on the blogs.

Member Since: January 24, 2007 Posts: 315 Comments: 31937
290. EmmyRose 11:29 PM GMT on October 09, 2008    
Quoting sebastianflorida:
Thiy saay he retuurded, sum saad fouren, I saay smaart thugh



My my my didnt' we do this dance
last week and I stepped all over
your pathetic foot -

and I see its still in your mouth dearie.

Wanna be labeled? I'm here to tattoo
it bro - so you'll remember exactly
what we think of YOU.

Member Since: July 15, 2005 Posts: 347 Comments: 76397
291. aquak9 11:31 PM GMT on October 09, 2008    
Emmy, you can tattoo...I prefer to carve.
Member Since: August 13, 2005 Posts: 163 Comments: 25007
292. Stormchaser2007 11:31 PM GMT on October 09, 2008    
Quoting NRAamy:
281. sebastianflorida 4:08 PM PDT on October 09, 2008

That's not funny, and abuse towards Taz will not be tolerated on the blogs.



Please dont quote him.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
294. NRAamy 11:31 PM GMT on October 09, 2008    
aqua and Emmy....I have no preference...just so long as he goes away....
Member Since: January 24, 2007 Posts: 315 Comments: 31937
295. EmmyRose 11:32 PM GMT on October 09, 2008    
well whats ever left over from this jetsom and flotsom the ocean threw up... I'll do the tattoo - have at it sister...

Member Since: July 15, 2005 Posts: 347 Comments: 76397
296. NRAamy 11:32 PM GMT on October 09, 2008    
Please dont quote him.

um, Stormchaser, you just did....
Member Since: January 24, 2007 Posts: 315 Comments: 31937
297. aquak9 11:33 PM GMT on October 09, 2008    
ok, it seems to have left.

Re-sheathing the knife.
Member Since: August 13, 2005 Posts: 163 Comments: 25007
298. Stormchaser2007 11:33 PM GMT on October 09, 2008    
Quoting NRAamy:
Please dont quote him.

um, Stormchaser, you just did....



I was quoting you...Which had the quote in it.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
299. aquak9 11:34 PM GMT on October 09, 2008    
296- best laugh I've had in a while!!! thank you Amy!!
Member Since: August 13, 2005 Posts: 163 Comments: 25007
300. bwt1982 11:35 PM GMT on October 09, 2008    
Quoting Drakoen:
Impressive for this time of year. UKMET, NOGAPS, and CMC want to develop it:


They want to devolop everything out there....
Member Since: September 29, 2008 Posts: 0 Comments: 143
301. EmmyRose 11:35 PM GMT on October 09, 2008    
of course he left - most cowards do....
just turn him into admin
maybe they'll ban him.
Member Since: July 15, 2005 Posts: 347 Comments: 76397

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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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