Gert brushing Bermuda; a new all-time 1-day rainfall record for NYC
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
Reader Comments
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What gets me is that FEMA then goes to where people were not supposed to be and leaves the places where people were also hit, have the evacuees as well, sitting waiting for the help. We had Katrina refugees still in gyms, was hit by Rita and the same people who had no water, etc., in Katrina were in the same boat again, three weeks later. Fema was in Lake Charles, which was to have been evacuated. Luckily, people around here shared what they had and made sure the evacuees did not go without. Okay, I vented. *G*
18Z GFS 150hrs
12Z ECMWF
I call that model agreement......
If you couldn't tell before I'm a Wilmington native.
Good evening all. Will be interesting to see what developments 93L undergoes as it approaches 70 to 75 W in the upcoming couple of days.
Link
Yeah I was noticing a trend towards steering weakening...
Ahhh.... nothing much...... just the Long Range GFS heading straight for your boat...... or is that a ship? LOL
Long Range GFS
Then where? None of the reliable models are predicting any major storms that would hold together during the next 7-10 days. Where is this storm that is going to bring doom to someone? What reliable model?
Key West WSR-88D
(KBYX)
Fine by me. Take care.
It won't develop. Too many impediments for it to overcome.
O I hope so.
: )
Im out to scout the Saints Friday night oppenents in the 4Qtr of MNF.
~Two weeks out on GFS and ECWMF.
The forecast steering from yesterday had a weakness over the Fla area with the Atl high to the East and another high over Texas to the West this Wed. and Thursday. This would promote a slowing in the forward speed and a pull up to the WNW followed by either a block by the Texas high causing a recurve over the NE GOM or a more Westerly track across the Yucatan. This is still a few days out so no call on this at the present time.
Forward speed should start to slow late tomorrow.
eeewww...
as per 2011
Ummmmm, what are you looking at, I'm seeing 5 kt shear, and hot SSTs ahead of it. It's also taking care of the dry air.
If I'm not mistaken, that would be too far west. I don't think it has crossed the islands yet.
not much. september may hold a bit more action
i second that EEEWWW
Link below:
See Link:
Interesting Link:
Wow:
Link
I completely agree.
At the surface yes, but the higher you go the better the rotation is. It remains to be seen if it can work its way down to the surface and if so when.
ummmm yep...closed my eyes...don't wanna see it but ty anyway....
Very unreliable models for storms that have not developed or even exist. These models as you know will change a hundred times and they can only predict accurately out about 3-5 to days in these modern, technologically advances times.
The tropical wave near Africa is pushing the SAL out of the way.
Gustav formed out of a tropical wave that had previously produced t-rain and squalls in the Lesser Antilles.
uh-oh maybe slam into Yucatan as ... strong t.s or cat 1 hurricane...
Yes, and we are simply discussing the interesting scenarios.
TROPICAL DEPRESSION SIX-E DISCUSSION NUMBER 2
NWS NATIONAL HURRICANE CENTER MIAMI FL EP062011
800 PM PDT MON AUG 15 2011
THERE HAS BEEN LITTLE CHANGE IN THE ORGANIZATION OF THE DEPRESSION
DURING THE LAST SEVERAL HOURS. THE LOW-LEVEL CENTER REMAINS
DETACHED FROM A SINGLE CONVECTIVE BAND IN THE SOUTHERN
SEMICIRCLE...PRESUMABLY A SYMPTOM OF CONTINUED NORTHEASTERLY SHEAR.
THE INITIAL INTENSITY IS HELD AT 30 KT...BASED ON A BLEND OF
SATELLITE INTENSITY ESTIMATES FROM BOTH SAB AND TAFB.
GLOBAL MODELS STILL FORECAST THE VERTICAL SHEAR TO DECREASE DURING
THE NEXT COUPLE OF DAYS. ON THE OTHER HAND...THE CYCLONE WILL
GRADUALLY BE MOVING OVER MARGINALLY WARM WATERS AND WILL BEGIN TO
INGEST A RELATIVELY DRIER AND MORE STABLE AIR MASS FROM THE NORTH.
THE LATTER TWO FACTORS WOULD LIKELY OFFSET ANY POTENTIAL FOR
SIGNIFICANT INTENSIFICATION...ESPECIALLY GIVEN THE CURRENT
ORGANIZATION OF THE SYSTEM. BETWEEN 48 AND 72 HOURS...AN ABRUPT
INCREASE IN SOUTHEASTERLY SHEAR AND SUB-26C WATERS SHOULD HASTEN THE
DEMISE OF THE TROPICAL CYCLONE. THE OFFICIAL FORECAST IS ADJUSTED
DOWNWARD SLIGHTLY AND REMAINS A LITTLE BELOW THE INTENSITY
GUIDANCE. GIVEN THE INCREASINGLY HOSTILE ENVIRONMENTAL CONDITIONS
LATER IN THE FORECAST PERIOD...IT WOULD NOT BE SURPRISING TO SEE
THE CYCLONE DEGENERATE INTO A REMNANT LOW SOONER THAN WHAT IS
CURRENTLY INDICATED.
THE INITIAL MOTION ESTIMATE IS 270/8. AN EAST-NORTHEAST TO
WEST-SOUTHWEST ORIENTED MID-LEVEL RIDGE NORTH OF THE DEPRESSION
SHOULD STEER IT ON A WESTWARD COURSE DURING THE NEXT DAY OR TWO. BY
48 HOURS...A LONGWAVE TROUGH DEVELOPING BETWEEN 130W AND 140W
SHOULD CAUSE A BREAK IN THE RIDGE. HOWEVER...GIVEN THE WEAK NATURE
OF THE CYCLONE AT THAT POINT...THE EFFECTS OF THE TROUGH ARE
EXPECTED TO MINIMAL AND A MORE WESTERLY MOTION IS ASSUMED LATER IN
THE FORECAST PERIOD. THE OFFICIAL TRACK REMAINS ON THE SOUTHERN
SIDE OF THE GUIDANCE ENVELOPE AND IS BASED PRIMARILY ON A BLEND OF
THE PREVIOUS NHC TRACK AND THE UKMET/ECWMF MODELS.
FORECAST POSITIONS AND MAX WINDS
INIT 16/0300Z 12.2N 133.0W 30 KT 35 MPH
12H 16/1200Z 12.2N 134.0W 30 KT 35 MPH
24H 17/0000Z 12.3N 135.5W 35 KT 40 MPH
36H 17/1200Z 12.4N 137.1W 40 KT 45 MPH
48H 18/0000Z 12.7N 138.5W 40 KT 45 MPH
72H 19/0000Z 13.5N 141.6W 30 KT 35 MPH
96H 20/0000Z 14.0N 145.5W 20 KT 25 MPH...POST-TROP/REMNT LOW
120H 21/0000Z 13.5N 150.0W 20 KT 25 MPH...POST-TROP/REMNT LOW
$$
FORECASTER KIMBERLAIN
A convective burst tonight during d-max would go a long way to getting that spin to the surface.
Just passing between St Vincent and St Lucia near 61W.
We didnt need a sat pass to determine there is no surface low other than a very broad area of low pressure. No wind shift at Barbados to the West of due North today said it all.
I see that. 93 wipes out the entire east coast instead of bringing soaking rain to TX.
Well, we're TRYING to wishcast it here to TX, as hard as we can.....
Link
Aye! And what about Hilda, Edith (Texas scraper that one) or Audrey? Plus a proverbial bunch more.
@JimCantore
Jim Cantore
Media reports "significant" flooding in the streets of Bismark, ND
@JimCantore
Jim Cantore
Reports of flooding at the Bismarck expressway bridge. Cars cannot drive through water. Also other reports of flooding along expressway
@JimCantore
Jim Cantore
Winds still gusting to 70mph in Bismark, ND and flooding reports are still coming in. Can someone safely send me a twitpic? Thanks
SVR T-STORM WARNING BISMARCK ND - KBIS 936 PM CDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 925 PM CDT MON AUG 15 2011
FLASH FLOOD WARNING BISMARCK ND - KBIS 918 PM CDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 817 PM MDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 909 PM CDT MON AUG 15 2011
SVR T-STORM WARNING BILLINGS MT - KBYZ 808 PM MDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 852 PM CDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 747 PM MDT MON AUG 15 2011
SVR T-STORM WARNING BISMARCK ND - KBIS 714 PM MDT MON AUG 15 2011
I was just about to ask the same question.
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