Tropical Storm Nadine forms; Newfoundland cleans up after Leslie
Tropical Storm Nadine formed last night, midway between Africa and the Lesser Antilles Islands, and continues to grow more organized today as it heads west-northwest at 17 mph. The models unanimously predict that Nadine will recurve to the north well east of the Lesser Antilles Islands later this week, on a track that would likely keep this storm far out at sea away from any land areas. Nadine is in a low-shear environment favorable for strengthening, and will likely become Hurricane Nadine by Thursday. A NASA remotely-piloted Global Hawk research aircraft is currently flying a 26-hour mission in Nadine, as part of the HS3 Hurricane and Severe Storm Sentinel Program. The data collected will help scientists decipher the relative roles of the large-scale environment and internal storm processes that affect hurricanes.
With fourteen named storms already this season, 2012 is now one of just 19 hurricane seasons over the past 162 years to have fourteen or more tropical storms. Nadine's formation date of September 10 puts 2012 in 5th place for earliest formation date of the season's 14th tropical storm. Only 2005, 2011, 1936, and 1933 had earlier formation dates of the season's 14th storm.

Figure 1. Morning satellite image of Tropical Storm Nadine.
Elsewhere in the Atlantic
Most of the models predict that a trough of low pressure about 600 miles off the U.S. East Coast will serve as the focus for development of a non-tropical low pressure system on Sunday or Monday. This low may spend enough time over water to acquire tropical characteristics and become a named storm by the middle of next week.
Newfoundland cleans up after Tropical Storm Leslie
Tropical Storm Leslie made landfall in Southern Newfoundland at 8 am EDT September 11 as a tropical storm with 70 mph winds and a central pressure of 969 mb. Leslie brought sustained winds to Newfoundland's capital, St. Johns, of 58 mph, gusting to 82 mph, at 10:30 am local time. Cape Pine record the highest gust from Leslie, 85 mph. The storm tore off roofs, downed trees, and toppled power lines, and 45,000 households were without power Tuesday afternoon in Newfoundland, including much of the capital of St. Johns. Leslie's tropical moisture collided with the cold front drawing the storm to the north, resulting in heavy rains over eastern Nova Scotia and western Newfoundland in excess of 4 inches, which caused considerable flooding of homes and streets. However, the rains were far less than those experienced during Hurricane Igor, which hit Newfoundland as a Category 1 hurricane in 2010, causing $200 million in damage. I expect damage from Leslie will be less than $20 million. Leslie is now a powerful extratropical storm bringing rain and strong winds to Iceland.
Jeff Masters
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Tropical Disturbance Summary
TROPICAL DEPRESSION XX
9:00 AM JST September 13 2012
======================================
SUBJECT: Tropical Depression In Sea East Of Japan
At 0:00 AM UTC, Tropical Depression (1006 hPa) located at 36.5N 144.2E has 10 minute sustained winds of 30 knots with gusts of 45 knots. The depression is reported as moving north northwest at 7 knots.
I like your forecast intensities...just like mine taking it over 100 mph..
I don't understand why the NHC keeps the storm not going past 85 mph???
I knew it was still alive and out there somewhere. I can't wait for next year when the name Karen is on the list again.
100 mph seems a lot more reasonable than topping out at 85.
Right now looking at past organization/strengthening trends 85mph in 24 hrs seems likely and getting up to 100mph before shear begins to affect Nadine. It could go higher and I have everything broken down in my blog tomorrow morning at between 7-8am.
I actually agree with the NHC 100% through 24hrs, then I strengthen her more and then weaken her instead of faster weakening.
SUBJECTIVE FORECAST
STY SANBA 1216 (1216) INITIAL TIME 130300 UTC
00HR 15.3N 129.7E 950HPA 45M/S (90 knots)
30KTS 300KM
50KTS 110KM
P12HR NNW 15KM/H
P+24HR 18.2N 128.7E 935HPA 52M/S
P+48HR 21.5N 127.7E 930HPA 55M/S (110 knots)
P+72HR 25.3N 126.0E 935HPA 52M/S
Isaac's impacts are still being felt and he will never soon be forgotten. The "only cat1" thing bugs me though, something needs to be done about that.
I would blame it on the public, but in this case I honestly think it's more that we lack adequate means to communicate the storm surge/size threat.
Isaac's biggest effects
were cause by
its slow forward speed
and lack of direction
which caused a prolonged
somewhat stalled event
the result of which
significant impacts were felt
Get rid of the drought, open up the avenue for hurricanes. Keep the drought, lose the hurricanes, but also lose valuable agriculture.
Take your pick guys.
I really think an improved system needs to be out in place as Isaac is just 1 example. Ike 4 years ago was another similar storm. The surge threat was never really known and people assumed since Isaac was "only a category 1 hurricane" everything would be fine.
For me and my area it is easy to say get rid of drought as that affects us way more than hurricanes. I have to think of the people though and it is a lose-lose situation if you look at it that way.
Is there ever a silver lining to weather?
Evacuation orders won't go up if the storm surge threat is not properly conveyed. Water kills, not wind (unless you're Andrew).
I know someone at Walmart who had four feet of water in her home two weeks ago. I haven't talked to her since then (haven't seen her) so I don't know the state of things now. She was really sad though.
Tropical Cyclone Bulletin #5
TYPHOON KAREN (SANBA)
11:00 AM PhST September 13 2012
==============================
"KAREN" has intensified into a typhoon while still over the East Philippine Sea
At 10:00 AM PhST, Typhoon Karen (Sanba) located at 15.1°N 129.6°E or 760 km east of Infanta, Quezon has 10 minute sustained winds of 65 knots with gusts of 80 knots. The cyclone is reported as moving northwest at 7 knots.
Additional Information
===========================
Estimated rainfall amount is from 10-20 mm per hour (heavy) within the 550 km diameter of the typhoon.
Fishing boats and other small seacrafts are advised not to venture out into the eastern seaboard of central and southern Luzon, eastern seabord of Visayas and Mindanao due to strong winds generated by Typhoon "Karen".
"Karen" is expected to enhance the southwest monsoon that will bring rains over the western section of Visayas and of Mindanao.
The public and the disaster coordinating councils concerned are advised to take appropriate actions and watch for the next bulletin to be issued at 11 p.m. today.
Tropical Cyclone Advisory #20
TYPHOON SANBA (T1216)
12:00 PM JST September 13 2012
======================================
SUBJECT: Category Four Typhoon In Sea East Of The Philippines
At 3:00 AM UTC, Typhoon Sanba (945 hPa) located at 15.3N 129.6E has 10 minute sustained winds of 85 knots with gusts of 120 knots. The cyclone is reported as moving north northwest at 8 knots.
Dvorak Intensity: T5.0
Storm Force Winds
=================
80 NM from the center
Gale Force Winds
===============
240 NM from the center
Forecast and Intensity
=======================
24 HRS: 17.9N 129.1E - 90 (CAT 4/Very Strong Typhoon) Sea East Of The Philippines
45 HRS: 20.8N 128.2E - 95 knots (CAT 4/Very Strong Typhoon) South Of Okinawa
69 HRS: 25.0N 126.8E - 100 knots (CAT 4/Very Strong Typhoon) South Of Okinawa
Who needs sleep? I will proudly reserve that for my grave. Priorities, kiddies. Priorities.
Sleep is for chumps, haha.
What is your take on that cute little tropical wave at 10.5N/37W? I don't recall any of the models picking up on it. Looks like a sneaky little critter.
Autumn! Cool, crisp, dry air after months of unrelenting heat. Beautiful changing leaves, nostalgic scents. I just love Autumn. :)
I would say that it should be watched. Upper-level winds aren't forecast to be too bad. At most, a bit of easterly shear on the south of the subtropical ridge, which isn't really unusual for systems in the deep tropics in any given year. Currently, the biggest hurdles are dry air in front of the wave, and of course South America. It needs to gain latitude if it means to survive.
In any case, models are sometimes not good at detecting development of tropical waves, since they are generally small scale features.
Autumn doesn't exist for those of us living in Louisiana. Insert 25 cents to try again. :)
I can vouch for that! Put me through all the hurricanes you wish, just let me keep my electricity!
Sucks for you, doesn't it? haha
You should at least take a road trip north for a few days to see the leaves changing in hardwood forests. So beautiful. It's my favorite time of year. It was better in Wisconsin when I used to live there, than in Missouri, but it's still nice here too. :)
I want a wet Autumn and Winter. My house has resumed sinking after the drought from last year. I wouldnt mind half of Allison right now! But I do agree Autumn is nice. The only part of the year that bores me is February. Poor little February.
Don't forget the delicious pumpkin cheesecake that comes out seasonally at Cheesecake Factory during that time. Yum :)
I make a lot of enemies.
Amen to that! While it was neat(kinda like camping out), the heat and humidity stinks with no ac. We had a generator(thanks to Edouards bark and no bite), so it helped keep some of the basics going. Def grateful for that. I think the weirdest thing was walking outside, hearing no airplanes, no birds, just generators going.
Pumpkin Cheesecake rocks! 2 slices please lol.
Ooh, scary!
Ike is the exact reason they seperated Cat status and storm surge. So many people here were thinking" Oh it's just a Cat 2, weve been there done that no problem". Unfortunately some of those people never made it with the Cat 4 Storm surge Ike brought, God bless em. There isnt much you can do because people who have been through hurricanes think the next one will be the same. What they do not understand is that every storm is different, different trees/limbs fall, storm surges can be worse than before, and so on. Anyone along the coast needs to evac for a cat 1 in my opinion, unless they are in a safe enough building where possibility of harm is very low. But even then, if you can get out, just get out.
I am in the process of putting together information on our up coming fire season which could be the most serious in 50 years. I will put it all in a blog. Once it's finished I will let everyone know.
Cheers
AussieStorm
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