Dr. Jeff Masters' WunderBlog

Gert brushing Bermuda; a new all-time 1-day rainfall record for NYC
Posted by: Dr. Jeff Masters, 02:30 PM GMT am 15. August 2011 +20
Tropical Storm Gert, the 7th named storm of the Atlantic hurricane season, is here. Gert's formation on August 14 marks the 4th earliest date for the season's 7th storm. Only 2005, 1995, and 1936 have had an earlier formation of the season's 7th storm. Gert will pass very close to Bermuda today, but thus far the island has had no wind or rain from Gert, with top winds at the Bermuda Airport of just 9 mph as of 10 am EDT. Radar out of Bermuda shows the rains from Gert are staying just offshore, moving northward, parallel to the island. An Air Force hurricane hunter aircraft is in the storm, and has found that Gert has not changed much in intensity since last night. Top surface winds seen by their SFMR instrument this morning as of 10am EDT were 48 mph, though higher winds of 58 mph that may be erroneous due to rain interference were measured. It currently appears that Gert's northerly motion will keep virtually all of the storm's rains just offshore from from Bermuda. Gert should not trouble any land areas after moving past Bermuda.


Figure 1. Morning radar image of Gert from the Bermuda radar .

Elsewhere in the tropics
The disturbance we've been tracking over the past few days in the open Atlantic between Africa and the Lesser Antilles, Invest 93L, has regenerated a modest amount of heavy thunderstorms and will bring heavy rain showers and gusty winds to the Lesser Antilles today and Tuesday as it moves westwards through the islands at 15 - 20 mph. Dry air surrounds 93L, and is interfering with development. However, the disturbance is steadily moistening its environment and is under low wind shear of 5 - 10 knots, so could begin to organize over the next few days as it tracks across the Caribbean. The latest 06Z run of the NOGAPS model is showing weak development of 93L once it reaches the western Caribbean, with a track over Mexico's Yucatan Peninsula and into the Gulf of Mexico by this weekend. Stay tuned.


Figure 2. Radar-estimated rainfall for the past 2 days from the Long Island, NY radar.

New York City sets an all-time 1-day rainfall record
A long series of "training" thunderstorms that each moved along the same path deluged the New York City and Newark areas yesterday, smashing an all-time 1-day rainfall record at New York City's JFK Airport, which recorded 7.80 inches of rain. It was the most rain at JFK since record keeping began in 1948. The previous record was a 6.3" deluge on June 30, 1984. New York City's official measuring site, Central Park, got 5.81" yesterday, the fifth wettest day on record there. The 6.40" that fell on Newark, NJ yesterday was that city's 2nd heaviest 1-day rainfall in history, next to the 6.73" that fell on November 3, 1977.

Jeff Masters
Categories: Hurricane
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351. Patrap 05:11 PM GMT am 15. August 2011    
Quoting pottery:

Buy more Fresca!

:):))




See post's 260-261 and 262
Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
353. hurricaneben 05:12 PM GMT am 15. August 2011    
How strong will Gert be at peak?

a)60 MPH
b)65 MPH
c)70 MPH
d)75 MPH
e)80 MPH
f)HIGHER
Member Since: Mai 15, 2009 Posts: 348 Comments: 623
354. MississippiWx 05:12 PM GMT am 15. August 2011    
Quoting Levi32:


Their respective ensembles agree decently though.

GFS ensembles Day 8:



ECMWF ensembles Day 8:



Yeah, those look more in sync. Definitely makes you wonder about the eventual fate of 93L because a weakness could certainly be present along the Central/Eastern GOM at the time 93L is in the Western Caribbean.
Member Since: Juli 15, 2006 Posts: 14 Comments: 8925
355. CybrTeddy 05:13 PM GMT am 15. August 2011    
Quoting pottery:

Buy more Fresca!

:):))


Only if he shares.. ;)
Member Since: Juli 8, 2005 Posts: 255 Comments: 20658
356. Levi32 05:13 PM GMT am 15. August 2011    
Dry air ahead of 93L will be an issue for the system, as will the stronger trade winds south of PR and the Dominican Republic. This morning's sounding out of San Juan, Puerto Rico shows the deep layer of dry air from 900mb upward.

Member Since: November 24, 2005 Posts: 593 Comments: 25612
357. fmbill 05:13 PM GMT am 15. August 2011    
96L?
Member Since: Mai 27, 2008 Posts: 0 Comments: 365
358. SLU 05:14 PM GMT am 15. August 2011    
Quoting pottery:

True!
I was expecting rain today, and I'm getting it now.
But I WAS surprised to see how far north the main convection had jumped between midnight and 8:00am.

I anticipated the rain would be part of what is now 93L , but it is more convective and is also being pulled into the disturbance from the south.
Hence the SSE winds mentioned earlier.


I hope you don't get too much of it to cause flooding ...
Member Since: Juli 13, 2006 Posts: 11 Comments: 3058
359. GTcooliebai 05:14 PM GMT am 15. August 2011    
Quoting TampaSpin:





Nice spin starting.....and the intensity models are going against history of development in the Eastern Caribbean.......NEED TO WATCH 93L
Hey if Emily can develop in the eastern Caribbean why not 93L? Dry air seems to be the only issue at this point, but it has fared well in moistening the environment around it.
Member Since: August 31, 2009 Posts: 0 Comments: 5462
360. fmbill 05:14 PM GMT am 15. August 2011    
It's on the Navy Site
Member Since: Mai 27, 2008 Posts: 0 Comments: 365
361. DocNDswamp 05:14 PM GMT am 15. August 2011    
Quoting MississippiWx:


Lol..Yup. The GFS shows a huge hurricane hitting me in 15 days. I've already called and told crane operators to lift my house off its foundation...I'm moving to Canada.


Why bother with the expense?
Hurricane X will do the job free of charge!
;)

Such long range projections do serve as wake-up reminder we're nearing prime time / need for residents to finalize storm-readiness preparations... and I'm guilty of a few tasks still awaiting my attention! Besides the extra Fresca...
Member Since: September 21, 2005 Posts: 92 Comments: 4650
362. pottery 05:15 PM GMT am 15. August 2011    
Quoting Patrap:




See post's 260-261 and 262

Good to see you are On The Ball, Pat.
As usual, too.

heheheh
Member Since: Oktober 24, 2005 Posts: 0 Comments: 20866
363. Levi32 05:15 PM GMT am 15. August 2011    
Precipitable Water imagery shows the dry air west of 93L as well. It actually looks like a similar setup to when Emily moved through this area, in terms of the amount of dry air in the way, as well as its orientation around the system.

Member Since: November 24, 2005 Posts: 593 Comments: 25612
364. hcubed 05:16 PM GMT am 15. August 2011    
Quoting cloudburst2011:


i have no clue what you are talking about i have been posting here since 2004 ..reed is the NEW KID on the block sir..


Member Since: June 24, 2011 Posts: 0 Comments: 450

Proof of posts by cloudburst2011 BEFORE June 24th would be greatly appreciated.

Till then...
Member Since: Mai 18, 2007 Posts: 288 Comments: 1639
365. Stormchaser2007 05:16 PM GMT am 15. August 2011    
Quoting fmbill:
It's on the Navy Site


Its been deactivated.

Was a quasi-tropical system in the North Atlantic.
Member Since: Juni 9, 2007 Posts: 4 Comments: 15296
366. sarahjola 05:16 PM GMT am 15. August 2011    
this site is truly day and night between day and night.:) last night the people on this site were saying that 93l was nothing and not impressive and today its a different story. i had mentioned that a week ago all the talk on this site was 93l would not do anything till it hit the caribbean. well, it is now starting to develop right where some said it would, and the time some said it would. good job to those some you get an A+ in my book
Member Since: September 10, 2008 Posts: 0 Comments: 1291
367. fmbill 05:18 PM GMT am 15. August 2011    
Quoting Stormchaser2007:


Its been deactivated.

Was a quasi-tropical system in the North Atlantic.


Phew! Thanks. Kind of caught me off-guard there for a second.
Member Since: Mai 27, 2008 Posts: 0 Comments: 365
368. washingtonian115 05:18 PM GMT am 15. August 2011    
Well being on our 7th named storm I think that came to a surprise to some people(Me).I thought at least we'll be on our third or fourth by now in the season.However I don't see a storm forming in at least a week.
Member Since: August 14, 2010 Posts: 6 Comments: 11210
369. Patrap 05:18 PM GMT am 15. August 2011    
DocNDswamp, good to see yas.



Saints open vs Green Bay Sept 8 NFL opener,,last 2 SB champs slugfest.


Indeed now thru the 8th on "The Chart" is Voodoo time.


Checking the Stabil Fuel today with a Jenny Crank and 5 minute run.




Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
370. pottery 05:18 PM GMT am 15. August 2011    
Quoting Levi32:
Dry air ahead of 93L will be an issue for the system, as will the stronger trade winds south of PR and the Dominican Republic. This morning's sounding out of San Juan, Puerto Rico shows the deep layer of dry air from 900mb upward.


93L has been fighting Dry Air for several days.
It is still doing the ON & OFF sequence.
But today it looks good to go.

Yes, the Dry is restricting it, but in spite of that, and in spite of the History that goes with the Dead Spot in the East Carib., I say we MAY see something unusual here!

BBL>>>>>>>>>
Member Since: Oktober 24, 2005 Posts: 0 Comments: 20866
372. TampaSpin 05:19 PM GMT am 15. August 2011    




Still some SUPER Dry Air to overcome......it will have to makes its on Moist Environment to become a player in the tropics.
Member Since: September 2, 2007 Posts: 176 Comments: 19767
374. SAINTHURRIFAN 05:19 PM GMT am 15. August 2011    
Maybe cloudtop and reed could ine up in the trenches for a little one on one.Those drills in 100 degree heat seem to settle who is the man.Teddy could be the ref.And pat and i will sit in the shade and watch.With a poboy and a barqs of course whodat.
Member Since: August 20, 2005 Posts: 5 Comments: 668
375. CybrTeddy 05:20 PM GMT am 15. August 2011    
Quoting Stormchaser2007:


Its been deactivated.

Was a quasi-tropical system in the North Atlantic.


96L was re-activated this AM, not sure if its been de-activated again.
Member Since: Juli 8, 2005 Posts: 255 Comments: 20658
376. Patrap 05:20 PM GMT am 15. August 2011    
Quoting pottery:

Good to see you are On The Ball, Pat.
As usual, too.

heheheh



Do I hear a Glass crinkling down there with ice and spirit's as you observe for us?
Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
377. Patrap 05:21 PM GMT am 15. August 2011    
Quoting SAINTHURRIFAN:
Maybe cloudtop and reed could ine up in the trenches for a little one on one.Those drills in 100 degree heat seem to settle who is the man.Teddy could be the ref.And pat and i will sit in the shade and watch.With a poboy and a barqs of course whodat.


Gonna need xtra ice And a Umbrella me tinks too.
Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
379. CybrTeddy 05:24 PM GMT am 15. August 2011    
Haven't seen the 'super chart' posted yet...
Member Since: Juli 8, 2005 Posts: 255 Comments: 20658
381. washingtonian115 05:24 PM GMT am 15. August 2011    
Looks like the trof's have been swooping down this year almost every other week.I can currently feel the effects of it outside.It's a bit breezy and cloudy outside.This reminds me mostly of how 2009 was up here.I remember alot of summer days being either cloudy or rainy.Will tthe trof's protect the east coast?.We shall see.
Member Since: August 14, 2010 Posts: 6 Comments: 11210
382. hcubed 05:25 PM GMT am 15. August 2011    
Quoting cloudburst2011:



just let me say does lefty and nash ring a bell ..i will leave it at that...you dont have to know what happened in 2004...


Yes, lefy and nash do ring a bell. But cloudburst2011 from 2004 doesn't.

Try again.
Member Since: Mai 18, 2007 Posts: 288 Comments: 1639
383. CybrTeddy 05:26 PM GMT am 15. August 2011    
Quoting Patrap:


Gonna need xtra ice And a Umbrella me tinks too.


Ref? How bout I be Drill Instructor Teddy. LOL.
Member Since: Juli 8, 2005 Posts: 255 Comments: 20658
384. scottsvb 05:26 PM GMT am 15. August 2011    
Guys dont have to worry about reedzone. I've known him for 10 years going back to flhurricane.com and another site.. both sites he was banned.. not sure if he is still on flhurricane.com but he use to think every system was coming to florida. Every cloud was going to form into a Cat3 or higher storm. He would post up stuff and scare people without facts. We called him guesscaster since he makes guesses and if 1 of them comes right.. he says.. "told you so". 99.5% of the time he is wrong.
Now while we are glad he is into atmospheric science and the tropics, it's usually the same old. Eastcoast of Florida or U.S. He's more entertainment than Meteorology. Main people to listen to are any Mets or the NHC and it's discussions.. and also peeps..anything more than 3 days out.. you can throw out.. unless ECMWF,GFS and GFDL all agree on that or even up to 5 days. More than that.. just pick up your usual Farmer Alnamac
Member Since: Januar 22, 2006 Posts: 0 Comments: 1188
386. MississippiWx 05:27 PM GMT am 15. August 2011    
Quoting DocNDswamp:


Why bother with the expense?
Hurricane X will do the job free of charge!
;)

Such long range projections do serve as wake-up reminder we're nearing prime time / need for residents to finalize storm-readiness preparations... and I'm guilty of a few tasks still awaiting my attention! Besides the extra Fresca...


True. We Mississippians know all about having hurricanes clearing the foundation. :-p

Member Since: Juli 15, 2006 Posts: 14 Comments: 8925
387. reedzone 05:27 PM GMT am 15. August 2011    
Potential pattern shift based on the early GFS runs and EURO runs

Member Since: Juli 1, 2008 Posts: 13 Comments: 7249
388. washingtonian115 05:28 PM GMT am 15. August 2011    
BTW I think Gert could become our first hurricane.Well there's a chance.
Member Since: August 14, 2010 Posts: 6 Comments: 11210
389. Patrap 05:29 PM GMT am 15. August 2011    
Quoting CybrTeddy:


Ref? How bout I be Drill Instructor Teddy. LOL.



Shudder's nervously at Port arms.
Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
391. Patrap 05:31 PM GMT am 15. August 2011    
The "Chart"..brought to you by, FRESCA

Member Since: Juli 3, 2005 Posts: 377 Comments: 113014
392. WxLogic 05:31 PM GMT am 15. August 2011    
12Z CMC

Now agreeing on developing 93L later in the period (W Carib) and subsequent waves in the CATL /EATL.
Member Since: August 14, 2008 Posts: 4 Comments: 4721
393. barbados246 05:31 PM GMT am 15. August 2011    
Quoting pottery:
SLU
It's coming down now.
Thanks, man.
I dont know how you do it, but thanks again!

LOL
Send some rain my way Pottery
Member Since: Mai 20, 2010 Posts: 0 Comments: 104
394. AtHomeInTX 05:32 PM GMT am 15. August 2011    
Quoting Levi32:
There is one strong message we can take from the GFS though. The fact that it is now showing major hurricanes in the long-range, no matter where they are, indicates to us that the tropical atmosphere is reaching maturity, and the very peak of the season is upon us where we are going to get the strongest storms of the year, from now through the first half of October. When the monsters start showing up in the models, it's time to watch out.


Yep. That's what I got out of the recent runs as well. And what I hope others get from them too. You don't know where they might end up. But chances are monsters can form from here on out. Everyone needs to pay attention and be prepared. Although I don't think that will stop us talking about what a model says 15 days out. LOL. Just too much to ask. :p
Member Since: August 24, 2010 Posts: 0 Comments: 3999
396. SAINTHURRIFAN 05:33 PM GMT am 15. August 2011    
The reason cloudtop does not show a older blog date hiccup is because he started as storm top.He then went to storm Kat.Now he is cloud top.His next handle will be storm mooch.The reason?Well he owes Pat and I over a hundred poboys for blown predictions he never paid up.And what is disgraceful doing that to a veteran like Pat.Number 2 he will never awnser anyone that knows him or pegs his mistakes.Is that not right lenny?Have you talked to the Queen lately?Anyway he will never change, not as long as he lives in a cellar under PatObriens with his fisher price weather station.Got to admit teddy my english and structure is still consistent lol.As a famous Louisiana sports commentator would say"this is for cloudtop."If if ands and buts were candies and nuts, and the queen had a different anatomy she would be king.Kind of sums up Cloudtop.I bet pat knows that famous quote and sportscaster lol.now you know his history hiccup.
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397. stormpetrol 05:33 PM GMT am 15. August 2011    
93L should be 30% at 1 pm cst
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398. CybrTeddy 05:34 PM GMT am 15. August 2011    
Quoting Patrap:



Shudder's nervously at Port arms.


forward.. march!
Member Since: Juli 8, 2005 Posts: 255 Comments: 20658
399. MississippiWx 05:34 PM GMT am 15. August 2011    
Lol...Watch out, Levi. The 12z CMC brings a massive <980mb low pressure into Alaska at the end of the run.

Member Since: Juli 15, 2006 Posts: 14 Comments: 8925
401. 7544 05:35 PM GMT am 15. August 2011    
looks like 93l wants to go wnw ?
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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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