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Post-Tropical Ida (Cat 4 hurricane @ Landfall @12:55pm EDT, 40 mph, 998 mb, 28 mph NE) - possible area flood impact, tornadoes, and severe weather


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WPC 5 am update (no change in winds, pressure, forward motion) -

Quote
000
WTNT34 KWNH 020839
TCPAT4

BULLETIN
Post-Tropical Cyclone Ida Advisory Number  29
NWS Weather Prediction Center College Park MD   AL092021
500 AM EDT Thu Sep 02 2021

...POST-TROPICAL CYCLONE IDA NEAR EASTERN LONG ISLAND NOW
ACCELERATING NORTHEASTWARD TOWARD CAPE COD...
...WIDESPREAD HEAVY RAINFALL WILL CONTINUE TO WIND DOWN FROM
WEST TO EAST TODAY ACROSS EASTERN NEW ENGLAND...


SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...41.4N 71.6W
ABOUT 25 MI...40 KM NE OF MONTAUK POINT NEW YORK
ABOUT 130 MI...210 KM ENE OF NEW YORK CITY
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 28 MPH...44 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches continue across portions of
southern New England.

Tornado Watches are in effect for portions of Rhode Island
and Southeast Massachusetts.


DISCUSSION AND OUTLOOK
----------------------
At 500 AM EDT (0900 UTC), the center of Post-Tropical Cyclone Ida
was located near latitude 41.4 North, longitude 71.6 West. The
post-tropical cyclone is moving toward the northeast near 28 mph (44
km/h), and some increase in the forward motion is expected on 
Thursday. 

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Little if any change in strength is forecast during the next 12 
hours. 

The estimated minimum central pressure is 998 mb (29.47 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Post-Tropical Cyclone Ida will produce the following
rainfall totals:

Across Coastal Maine: 2 to 4 inches, with locally higher amounts
over Downeast Maine through Thursday afternoon.

Across Rhode Island and eastern Massachusetts: An additional 1 to 3
inches through Thursday morning.

For the latest rainfall reports and wind gusts associated with
Post-Tropical Cyclone Ida, see the companion storm summary at
WBCSCCNS4 with the WMO header of ACUS44 KWBC or at the following
link:

www.wpc.ncep.noaa.gov/discussions/nfdscc4.html

TORNADOES: A couple of tornadoes will be possible early Thursday 
morning across Rhode Island and southeast Massachusetts.


NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system.

$$
Forecaster Hurley

FORECAST POSITIONS AND MAX WINDS

INIT  02/0900Z 41.4N  71.6W   35 KT  40 MPH...POST-TROP/EXTRATROP
 12H  02/1800Z 43.5N  67.6W   35 KT  40 MPH...POST-TROP/EXTRATROP

 

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NWS MARFC retweeted KYW coverage -

As a comparison - this was a pic of the same location (this is around 30th Street Station) at around 2 am (this is where the Schuylkill Expressway goes under the street level along the river) -

E-QjCK-XEAYvkMp.jpg

If the level hits the progged 19 ft. that may put the Schuylkill Express way shown above, under water.

schuylkill-at-30th-st-nws-phdp1_record-550am-09022021.png

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37 minutes ago, Rtd208 said:

This was by far one of the wildest storms I have ever experienced. My town was an absolute disaster at the height of it. 

It was kind of like Sandy squeezed into fewer hours.

Jeez, my flooding was so bad it picked up my tractor and drove it through the garage wall into the basement (among other damage).

9.50”

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1 minute ago, MJO812 said:

Insanity here in NYC

Hope everyone is doing fine 

I saw the pics of the water pouring into the subway stations and over the moving subway cars like waterfalls.

I really don't know what one can do about that happening other than finding some way to "cover" every station stairway, which is impossible.

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2 hours ago, MJO812 said:

Insanity here in NYC

Hope everyone is doing fine 

Hope you are safe and thanks for checking in. I was lucky. House had no flooding and even though the power went out once and flickered a few more times overnight, I retained power. I saw Collegeville is one of the places with a lot of outages. 

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Was looking for something else and found this yikes!

I think the first image in the video is the waterfall on the Schuylkill near the Waterworks, the 2nd is that Schuylkill River trail, am guessing  the 3rd was done maybe from a boat going under the main bridges going over the Schuylkill downtown (e.g., Market St., Chestnut St., Walnut St., etc), not sure where the 4th was unless it was somewhere in Manyunk, and the 5th is insane - that is the Vine St. Expressway (I-676) that runs parallel to Vine St. "local", and is beneath the street level (with numbered streets going overhead, which I think are those from 21st down to 6th St - I used to use it eastbound to commute to work every day in the mornings, but never the afternoons) - that was apparently completely flooded. :yikes:

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1 hour ago, BBasile said:

Before and after of a home in Mullica Hill.  That tornado must have been close to an EF-4, if not full on.   

PhotoGrid_Plus_1630589475097.jpg

That's my photo on the bottom!! My 4 chaser friends and I were posting to Twitter and what not. This neighborhood that got destroyed isn't a trailer park, or low-end socioeconomic area. No, these are massive houses absolutely leveled. I can't describe what I saw yesterday in words, you truly have to see it to believe it. Straight out of Oklahoma

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13 minutes ago, Hurricane Agnes said:

Was looking for something else and found this yikes!

I think the first image in the video is the waterfall on the Schuylkill near the Waterworks, the 2nd is that Schuylkill River trail, am guessing  the 3rd was done maybe from a boat going under the main bridges going over the Schuylkill downtown (e.g., Market St., Chestnut St., Walnut St., etc), not sure where the 4th was unless it was somewhere in Manyunk, and the 5th is insane - that is the Vine St. Expressway (I-676) that runs parallel to Vine St. "local", and is beneath the street level (with numbered streets going overhead, which I think are those from 21st down to 6th St - I used to use it eastbound to commute to work every day in the mornings, but never the afternoons) - that was apparently completely flooded. :yikes:

21st St pump broke.  Never seen anything like it.

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  • Hurricane Agnes changed the title to Post-Tropical Ida (Cat 4 hurricane @ Landfall @12:55pm EDT, 40 mph, 998 mb, 28 mph NE) - possible area flood impact, tornadoes, and severe weather

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