Tropical Storm Leslie hits Newfoundland; TD 14 forms

By: Dr. Jeff Masters , 2:55 PM GMT on September 11, 2012

Share this Blog
29
+

Tropical Storm Leslie zoomed ashore over Newfoundland this morning near 8 am EDT, traveling with a forward speed of 40 mph. Leslie brought sustained winds to the capital of St. Johns of 58 mph, gusting to 82 mph, at 10:30 am local time. At least three other stations in Newfoundland recorded gusts over hurricane force: Cape Pine (85 mph), Bonavista (77 mph), and Argentia (74 mph). Damage to buildings has been reported in St. Johns, and the storm has knocked out power to much of Southeast Newfoundland, including the capital. Leslie's tropical moisture collided with the cold front drawing the storm to the north, resulting in heavy rains over Nova Scotia in excess of 4 inches, which caused considerable flooding of homes and streets. Overall, though, the damage to Canada appears to be far less than that of Hurricane Igor, which hit Newfoundland as a Category 1 hurricane in 2010, causing $200 million in damage. Leslie has now transitioned to a powerful extratropical storm, and will bring heavy rains to Iceland on Thursday, and to Scotland on Friday.


Figure 1. Tropical Storm Leslie as it crossed Newfoundland at 9:46 am EDT September 11, 2012. At the time, Leslie had top winds of 70 mph. The cloud pattern of Leslie looks more extratropical than tropical, and Leslie was no longer a tropical storm at this time. Tropical Storm Michael is visible at lower right, as a tight swirl of low clouds.

Hurricane Michael dying
The longest-lived hurricane of the 2012 Atlantic hurricane season was Michael, which attained hurricane status at 11 pm EDT September 5 and finally weakened to a tropical storm at 5 am EDT this morning. Satellite loops show that Michael has lost almost all of its heavy thunderstorms, and is racing to the northeast over colder waters. Michael will likely be declared dead later today.

Tropical Depression 14 forms
Tropical Depression Fourteen has formed midway between Africa and the Lesser Antilles Islands, from a tropical wave that emerged off the coast of Africa on Friday. The models unanimously predict that TD 14 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. TD 14 is in a low-shear environment favorable for strengthening, and will likely become Tropical Storm Nadine by Wednesday.

Elsewhere in the Atlantic
The ECMWF model predicts that the cold front that swept off the U.S. East Coast Monday will leave a trough of low pressure over the ocean which could serve as the focus for development of a tropical or subtropical depression several hundred miles off the coast of North Carolina late this week.


Figure 2. Visible NOAA GOES-7 satellite image of Hurricane Iniki just before landfall in Hawaii at 8:01 pm EDT September 11, 1992. Iniki completed a “clean sweep” of National Weather Service offices responsible for issuing hurricane warnings. The National Hurricane Center in Coral Gables, Florida (Hurricane Andrew), the Joint Typhoon Warning Center in Guam (Typhoon Omar), and the Central Pacific Hurricane Center in Honolulu, Hawaii (Hurricane Iniki) were all struck by strong hurricanes within a 2-month span in 1992. Image credit: NOAA Environmental Visualization Lab.

20th anniversary of Hurricane Iniki
Twenty years ago today, Hurricane Iniki, the most powerful hurricane on record to strike the state of Hawaii, made landfall on the island of Kauai as a Category 4 storm with sustained winds of 145 mph and gusts up to 175 mph. Iniki brought storm tides of 4.5 - 6 feet (1.4 - 1.8 m) to Kauai, with high water marks of up to 18 feet (5.5 m) being measured due to large waves on top of the surge. Waves up to 35 feet (10.5 m) battered the southern coastline for several hours, causing a debris line of more than 800 feet (250 m) inland. The hurricane's high winds did incredible damage to structures on the island--5,152 homes were severely damaged, and some parts of the island were without power for three months. Iniki's $3 billion damage (2012 dollars) made the hurricane the second costliest Eastern Pacific hurricane, trailing Hurricane Paul, which made landfall in Mexico in 1982. Iniki holds the Eastern Pacific record for lowest pressure for a landfalling hurricane--945 mb (27.91").

Jeff Masters

"Leslie" surf@ Newport # 1 (RIWXPhoto)

Reader Comments

Comments will take a few seconds to appear.

Post Your Comments

Please sign in to post comments.

or Join

Not only will you be able to leave comments on this blog, but you'll also have the ability to upload and share your photos in our Wunder Photos section.

Display: 0, 50, 100, 200 Sort: Newest First - Order Posted

Viewing: 580 - 530

Page: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15Blog Index

ADT up to 3.7 already with Nadine, raw up to 3.9.
Member Since: Posts: Comments:
579. SLU
Nadine closer to a hurricane than a minimal TS .

I hope she really puts on a show today cuz the female storms this year have been really pathetic.

Member Since: Posts: Comments:
Member Since: Posts: Comments:
Quoting ncstorm:
00z CMC -takes it across florida as an open low



Look at the trough!.Woot woot!.
Member Since: August 14, 2010 Posts: 10 Comments: 15710
Quoting VR46L:



and remember


THE WATER IN THE GULF IS ROCKET FUEL
yeah sept and october we here watch the gulf for sure
Member Since: Posts: Comments:
Member Since: Posts: Comments:
574. VR46L
Quoting LargoFl:
ah thats the 60% then..ty



and remember


THE WATER IN THE GULF IS ROCKET FUEL!!!
Member Since: Posts: Comments:
Quoting ncstorm:
The Nogaps takes it into Texas
so right now the models are all over the place..guess we have to wait a few days huh
Member Since: Posts: Comments:
The Nogaps takes it into Texas
Member Since: Posts: Comments:
So is Nadine going to be another hype storm?(people screaming cat 5 for Leslie) or this time we're going to have some sense when tracking this one?.
Member Since: August 14, 2010 Posts: 10 Comments: 15710
Nam at 84 hours...................
Member Since: Posts: Comments:
Member Since: Posts: Comments:
Quoting ncstorm:
00z CMC -takes it across florida as an open low


ah thats the 60% then..ty
Member Since: Posts: Comments:
00z CMC -takes it across florida as an open low


Member Since: Posts: Comments:
Member Since: Posts: Comments:
Quoting VR46L:


The Euro had it as a depression off New Orleans yesterday in a couple of days time
..ok we have to watch for that for sure
Member Since: Posts: Comments:
Good Morning..I see the Euro isnt done with tropical cyclone development



Member Since: Posts: Comments:
562. VR46L
Quoting LargoFl:
yeah that has to be it, GFS doesnt show a thing, we'll we will see next week


The Euro had it as a depression off New Orleans yesterday in a couple of days time
Member Since: Posts: Comments:
GFS at 384 hours
Member Since: Posts: Comments:
Quoting VR46L:


Bet its the Blobs in the BOC
yeah that has to be it, GFS doesnt show a thing, we'll we will see next week
Member Since: Posts: Comments:
I see that all we have on the board today is Nadine...

And She is going to visit the North Atlantic without making any land stops along the way. :)

(I know, a possible extra-tropical storm for someone is still possible)
Member Since: Posts: Comments:
557. VR46L
Quoting LargoFl:
dont know yet, 60% rain usually means something is coming towards us,dont see anything out there so far


Bet its the Blobs in the BOC
Member Since: Posts: Comments:
Member Since: May 23, 2012 Posts: 0 Comments: 4207
.......................GFS at 168 hours, florida looks clear
Member Since: Posts: Comments:
Member Since: Posts: Comments:
90E up to near 100% with advisories being started this morning.
Member Since: Posts: Comments:
90E will probably be renumbered soon.

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT WED SEP 12 2012

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

SATELLITE IMAGES INDICATE THAT A TROPICAL DEPRESSION APPEARS TO BE
FORMING ABOUT 200 MILES SOUTH-SOUTHWEST OF MANZANILLO MEXICO...AND
THERE IS A HIGH LIKELIHOOD THAT ADVISORIES WILL BE INITIATED THIS
MORNING. THIS SYSTEM HAS A HIGH CHANCE...NEAR 100 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES
WEST-NORTHWESTWARD AT 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER AVILA
Member Since: July 6, 2010 Posts: 108 Comments: 30257

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

GULF MOISTURE SHOULD INCREASE TOMORROW THROUGH THE END OF THE
WEEK. A FRONT IS EXPECTED TO PUSH INTO THE AREA LATE FRIDAY.
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY THORUGH
THE WEEKEND WITH THE FRONT AND GULF MOISTURE IN SOUTHEAST TEXAS.
RAINFALL TOTALS SHOULD APPROACH A HALF INCH TO AN INCH ACROSS THE
REGION WITH BRIEF PERIODS OF LOCALLY HEAVY RAINFALL IN A FEW
ISOLATED LOCATIONS. OVERALL FLOODING IS NOT EXPECTED EXCEPT IN LOW
LYING AREAS WITH BRIEF HEAVY RAINFALL. RAIN CHANCES SHOULD COME TO
AN END EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

$$
Member Since: Posts: Comments:
Quoting AussieStorm:

Is there a TW on it's way?
dont know yet, 60% rain usually means something is coming towards us,dont see anything out there so far
Member Since: Posts: Comments:
Quoting LargoFl:
...........gOOD MORNING FOLKS, 7-DAY Forecast for the Tampa Bay area..back to normal for us, although I am wondering whats coming to us next Monday?? to raise our rain chances to 60%??

Is there a TW on it's way?
Member Since: Posts: Comments:
Member Since: Posts: Comments:
Quoting TropicalAnalystwx13:
Probably a 50-60 mph tropical storm right now. CIMSS ADT is already nearing hurricane intensity.

It should be, extra emphasis on the should, a 50-60mph TS at the next advisory.
Member Since: Posts: Comments:
Member Since: Posts: Comments:
Member Since: Posts: Comments:
My little pick of the day, weather watch for the northern Bahamas.
Member Since: Posts: Comments:
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON OVER
SOUTHWEST FLORIDA. THE PRIMARY HAZARDS WILL BE GUSTY WINDS AND
DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES.

...WIND AND SEA IMPACT...
BREEZY WINDS AND ROUGH SEAS OVER THE TAMPA BAY AND GULF WATERS
TODAY WILL CONTINUE THROUGH TONIGHT. OPERATORS OF SMALL CRAFT
SHOULD EXERCISE CAUTION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

...THUNDERSTORM IMPACT...
SCATTERED THUNDERSTORMS WILL DEVELOP EACH AFTERNOON...PARTICULARLY
NEAR THE COAST AND SOUTH OF TAMPA BAY. A FEW OF THE STORMS COULD
BECOME STRONG. THE MAIN HAZARDS WILL BE GUSTY WINDS AND LOCALLY HEAVY
RAINFALL WITH FLOODING.

...WIND AND SEA IMPACT...
BREEZY WINDS AND CHOPPY SEAS OVER THE OFFSHORE WATERS WILL
CONTINUE THROUGH THE END OF THE WEEK. OPERATORS OF SMALL CRAFT
SHOULD EXERCISE CAUTION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

$$

FLEMING
Member Since: Posts: Comments:
542. VR46L
Quoting mcluvincane:
GFS is putting the hurricane season in check, after Nadine there is nothing, nadda, zero, zilch,


The GFS that missed the most beautiful storm of the year....until it was a Cane ...
Member Since: Posts: Comments:
Member Since: Posts: Comments:
540. VR46L
Quoting AussieStorm:

Which blob. I see many blobs.


When I posted it, it was one blob the image must have updated ...
Member Since: Posts: Comments:
...........GOOD MORNING FOLKS, 7-DAY Forecast for the Tampa Bay area..back to normal for us, although I am wondering whats coming to us next Monday?? to raise our rain chances to 60%??
Member Since: Posts: Comments:
Probably a 50-60 mph tropical storm right now. CIMSS ADT is already nearing hurricane intensity.

Member Since: July 6, 2010 Posts: 108 Comments: 30257
Quoting aislinnpaps:
Wishing everyone a wonderful Wednesday. 'See' you all this evening.
Thanks, have a great day today. Hope the weather is all good where you're at.
Member Since: Posts: Comments:
Quoting aislinnpaps:
Wishing everyone a wonderful Wednesday. 'See' you all this evening.


Take care...
Member Since: Posts: Comments:
Wishing everyone a wonderful Wednesday. 'See' you all this evening.
Member Since: Posts: Comments:
Good Morning...

Keep an eye out for P28L:

Member Since: Posts: Comments:


Member Since: Posts: Comments:
Member Since: Posts: Comments:
GFS is putting the hurricane season in check, after Nadine there is nothing, nadda, zero, zilch,
Member Since: Posts: Comments:
Nadine looks soo lonely out there :( Not even a yellow crayon area to keep her company. I mean, Helene had Gordon, Isaac had Joyce and then Kirk, then Kirk had Leslie toward the end, and Michael had Leslie the whole time. And I'm pretty sure that every storm since Ernesto has at least had a yellow circle somewhere in the Atlantic to keep company.



Nadine is one lonely duck :/
Member Since: Posts: Comments:

Viewing: 580 - 530

Page: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15Blog Index

Top of Page

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.