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Tropical Storm Henri


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2 minutes ago, Typhoon Tip said:

That might actually bring surge waters into downtown Providence in that scenario.

I think who's a 1938 aficionado ...I'm almost certain there's a high-water mark around Town Hall that has the 1938 ... I may be fantasizing that ... but, that Buzzard Bay in a bad bad spot for that stream line analysis - heh

Definitely a storm surge up the bay alignment... thankfully the hurricane barrier is still functional for Providence... other areas without a barrier not as lucky...

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Quote
BULLETIN
TROPICAL STORM HENRI INTERMEDIATE ADVISORY NUMBER 19A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082021
200 PM EDT FRI AUG 20 2021

...HENRI ALMOST A HURRICANE...
...STORM SURGE AND HURRICANE WATCHES ARE IN EFFECT FOR PORTIONS OF
THE NORTHEASTERN UNITED STATES...


SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...30.8N 73.8W
ABOUT 320 MI...515 KM SSE OF CAPE HATTERAS NORTH CAROLINA
ABOUT 720 MI...1160 KM S OF MONTAUK POINT NEW YORK
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A STORM SURGE WATCH IS IN EFFECT FOR...
* SOUTH SHORE OF LONG ISLAND FROM EAST ROCKAWAY INLET TO MONTAUK
* NORTH SHORE OF LONG ISLAND FROM KINGS POINT TO MONTAUK
* FLUSHING NEW YORK TO SAGAMORE BEACH MASSACHUSETTS
* NANTUCKET, MARTHA'S VINEYARD, AND BLOCK ISLAND

A HURRICANE WATCH IS IN EFFECT FOR...
* SOUTH SHORE OF LONG ISLAND FROM FIRE ISLAND INLET TO MONTAUK
* NORTH SHORE OF LONG ISLAND FROM PORT JEFFERSON HARBOR TO MONTAUK
* NEW HAVEN CONNECTICUT TO SAGAMORE BEACH MASSACHUSETTS
* NANTUCKET, MARTHA'S VINEYARD, AND BLOCK ISLAND

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* WEST OF FIRE ISLAND INLET TO EAST ROCKAWAY INLET NEW YORK
* WEST OF PORT JEFFERSON HARBOR NEW YORK
* WEST OF NEW HAVEN CONNECTICUT

A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION, FROM RISING WATER MOVING INLAND FROM THE
COASTLINE, IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS.
FOR A DEPICTION OF AREAS AT RISK, PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC, AVAILABLE AT
HURRICANES.GOV.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS, CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.

INTERESTS ELSEWHERE IN THE NORTHEASTERN U.S. AND ATLANTIC CANADA
SHOULD MONITOR THE PROGRESS OF HENRI.  ADDITIONAL WATCHES OR
WARNINGS WILL LIKELY BE REQUIRED LATER TODAY.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA, INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS, PLEASE MONITOR PRODUCTS ISSUED BY YOUR
LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.


DISCUSSION AND OUTLOOK
----------------------
AT 200 PM EDT (1800 UTC), THE CENTER OF TROPICAL STORM HENRI WAS 
LOCATED NEAR LATITUDE 30.8 NORTH, LONGITUDE 73.8 WEST. HENRI IS 
MOVING TOWARD THE NORTH-NORTHWEST NEAR 6 MPH (9 KM/H). A TURN 
TOWARD THE NORTH IS EXPECTED BY TONIGHT, AND HENRI IS FORECAST TO 
ACCELERATE IN THAT DIRECTION THROUGH EARLY SUNDAY.  ON THE FORECAST 
TRACK, HENRI IS EXPECTED TO MAKE LANDFALL IN SOUTHERN NEW ENGLAND BY 
LATE SUNDAY.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH (110 KM/H) 
WITH HIGHER GUSTS.  ADDITIONAL STRENGTHENING IS FORECAST DURING THE 
NEXT COUPLE OF DAYS, AND HENRI IS EXPECTED TO BECOME A HURRICANE 
BY SATURDAY AND BE AT OR NEAR HURRICANE STRENGTH WHEN IT MAKES 
LANDFALL IN SOUTHERN NEW ENGLAND.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES (150 KM)
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB (29.35 INCHES).


HAZARDS AFFECTING LAND
----------------------
KEY MESSAGES FOR HENRI CAN BE FOUND IN THE TROPICAL CYCLONE
DISCUSSION UNDER AWIPS HEADER MIATCDAT3, WMO HEADER WTNT43 KNHC
AND ON THE WEB AT HURRICANES.GOV/GRAPHICS_AT3.SHTML?KEY_MESSAGES.

STORM SURGE:  THE COMBINATION OF A DANGEROUS STORM SURGE AND THE
TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY
RISING WATERS MOVING INLAND FROM THE SHORELINE.  THE WATER COULD
REACH THE FOLLOWING HEIGHTS ABOVE GROUND SOMEWHERE IN THE INDICATED
AREAS IF THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE...

WATCH HILL, RI TO SAGAMORE BEACH, MA INCLUDING NARRAGANSETT BAY,
BUZZARDS BAY, VINEYARD SOUND, NANTUCKET SOUND, AND CAPE COD
BAY...3-5 FT
EAST ROCKAWAY INLET, NY TO MONTAUK POINT, NY...2-4 FT
NORTH SHORE OF LONG ISLAND...2-4 FT
FLUSHING, NY TO WATCH HILL, RI...2-4 FT
CAPE MAY, NJ TO EAST ROCKAWAY INLET, NY...1-3 FT

THE DEEPEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST IN AREAS OF
ONSHORE WINDS, WHERE THE SURGE WILL BE ACCOMPANIED BY LARGE AND
DANGEROUS WAVES.  SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE
TIMING OF THE SURGE AND THE TIDAL CYCLE, AND CAN VARY GREATLY OVER
SHORT DISTANCES.  FOR INFORMATION SPECIFIC TO YOUR AREA, PLEASE SEE
PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST
OFFICE.

WIND:  HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE HURRICANE WATCH
AREA ON SUNDAY, WITH TROPICAL STORM CONDITIONS POSSIBLE BY EARLY
SUNDAY.  TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE TROPICAL
STORM WATCH AREA ON SUNDAY.

RAINFALL:  HENRI MAY PRODUCE RAINFALL AMOUNTS OF 2 TO 5 INCHES OVER
EASTERN LONG ISLAND AND SOUTHERN NEW ENGLAND SUNDAY INTO MONDAY,
WITH ISOLATED MAXIMUM TOTALS NEAR 8 INCHES. HEAVY RAINFALL FROM
HENRI WILL RESULT IN FLASH, URBAN, AND SMALL STREAM FLOODING, ALONG
WITH THE POTENTIAL FOR WIDESPREAD MINOR AND ISOLATED MODERATE RIVER
FLOODING.

SURF:  SWELLS GENERATED BY HENRI SHOULD CONTINUE TO AFFECT BERMUDA
DURING THE NEXT DAY OR SO.  SWELLS ARE EXPECTED TO INCREASE ACROSS
MUCH OF THE EAST COAST OF THE U.S. AND ATLANTIC CANADA TODAY AND
INTO THE WEEKEND.  THESE SWELLS COULD CAUSE LIFE-THREATENING SURF
AND RIP CURRENT CONDITIONS.  PLEASE CONSULT PRODUCTS FROM YOUR LOCAL
WEATHER OFFICE.

 

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12 minutes ago, CoastalWx said:

HWRF actually much more east from 6z. And HMON goes into Asbury park. LOL.

I'm still very leery of the tickle east....there's a great ULL in place for sling-shotting this west, but the upstream blocking isn't nearly as prolific as Sandy was, and that makes the trough susceptible to eastward leaks....esp with upstream kicker s/w.

 

Not an easy forecast though....glad I don't have to do it. If the ULL captures this and tightens up a bit, then it will really want to go west.

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5 minutes ago, Typhoon Tip said:

That might actually bring surge waters into downtown Providence in that scenario.

I think who's a 1938 aficionado ...I'm almost certain there's a high-water mark around Town Hall that has the 1938 ... I may be fantasizing that ... but, that Buzzard Bay in a bad bad spot for that stream line analysis - heh

There is for both ‘38 and 1815 in fact 

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1 minute ago, ORH_wxman said:

I'm still very leery of the tickle east....there's a great ULL in place for sling-shotting this west, but the upstream blocking isn't nearly as prolific as Sandy was, and that makes the trough susceptible to eastward leaks....esp with upstream kicker s/w.

 

Not an easy forecast though....glad I don't have to do it. If the ULL captures this and tightens up a bit, then it will really want to go west.

Yeah more often than not we see that, especially if we get deep convection when even the faintest westerly motion will tick it east.

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7 minutes ago, Typhoon Tip said:

That might actually bring surge waters into downtown Providence in that scenario.

I think who's a 1938 aficionado ...I'm almost certain there's a high-water mark around Town Hall that has the 1938 ... I may be fantasizing that ... but, that Buzzard Bay in a bad bad spot for that stream line analysis - heh.

Actually edit: that's kind of a weaker system there... well, maybe not. But if a stronger system moving into that position would be -

it's here :   https://www.weather.gov/box/1938hurricane

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10 minutes ago, Typhoon Tip said:

That might actually bring surge waters into downtown Providence in that scenario.

I think who's a 1938 aficionado ...I'm almost certain there's a high-water mark around Town Hall that has the 1938 ... I may be fantasizing that ... but, that Buzzard Bay in a bad bad spot for that stream line analysis - heh.

Actually edit: that's kind of a weaker system there... well, maybe not. But if a stronger system moving into that position would be -

There is a great marker on the mercantile building in downtown PVD,  think its right around the second floor.  hence the barrier my grandfather has a great story he was at football practice in 38 and they called off practice when the ball went backwards on a kick.  little later on the rectory lost its roof.

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6 minutes ago, ORH_wxman said:

I thought the CRAS model discontinued in 2017 or 2018.....they brought it back? LOL...or maybe there was another version in the works waiting to be released upon us like locusts.

It's definitely tactless and insensitive - I'll give it that ...

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