Extratropical Storm Ida Is Here

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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

Flood Watch

National Weather Service Caribou ME

318 AM EDT Thu Sep 2 2021

MEZ016-017-029-030-030000-

/O.CON.KCAR.FF.A.0002.000000T0000Z-210903T0000Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Interior Hancock-Central Washington-Coastal Hancock-Coastal

Washington-

Including the cities of Orland, Perry, Castine, Wesley, Aurora,

Princeton, Bucksport, Bar Harbor, Calais, Dedham, Cherryfield,

Amherst, Great Pond, Grand Lake Stream, Eastbrook, Eastport,

Ellsworth, and Machias

318 AM EDT Thu Sep 2 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* Portions of Coastal DownEast and Interior DownEast Maine.,

  including the following areas, in Coastal DownEast Maine, Coastal

  Hancock and Coastal Washington. In Interior DownEast Maine,

  Central Washington and Interior Hancock.

* Through this evening.

* Tropical moisture associated with the Remnants of Ida will bring

  heavy rainfall to the area.

* Rainfall rates will rapidly increase Thursday morning with heavy

  rain persisting into Thursday afternoon. Rainfall rates will

  likely exceed 1 inch per hour at times Thursday. Rainfall totals

  of 2.00 to 4.00 inches are expected from late tonight into late

  Thursday evening. Locally higher amounts are possible. These

  rainfall totals and rain rates could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action

should Flash Flood Warnings be issued.

&&

$$

Nouhan

4:39 AM ADT Thursday 02 September 2021

Rainfall warning in effect for:

Halifax Metro and Halifax County West

Rain, at times heavy, is expected.

Total rainfall: 40 to 60 mm, with possibility of local amounts reaching near 100 mm.

Locations: Nova Scotia.

Time span: today and tonight.

Remarks: Periods of rain, at times heavy, will spread across the province this morning, with localized downpours possible throughout the day and risk of embedded thundershowers. Rain will gradually taper to showers from west to east tonight, with scattered showers likely persisting over northern parts of the province for much of Friday.

Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.

Rainfall warnings are issued when significant rainfall is expected.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NSstorm@canada.ca or tweet reports using #NSStorm.

4:38 AM ADT Thursday 02 September 2021

Special weather statement in effect for:

Campbellton and eastern half of Restigouche County

Significant rainfall is expected.

Total rainfall: 25 to 45 mm, with possibility of amounts exceeding 50 mm.

Locations: central to northeastern New Brunswick.

Time span: today through into Friday afternoon.

Remarks: Moisture from the remnants of Hurricane Ida is expected to merge with a non-tropical weather system over the northeastern U.S. and bring significant rain to the province today and and Friday. Rain will spread across the province today and will likely become heavy at times in the afternoon and tonight. Periods of rain will likely persist well into Friday as the system stalls over the Gulf of St. Lawrence. Due to this stalling total amounts could locally exceed 50 mm.

Rainfall warnings are already in effect for southeastern New Brunswick.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NBstorm@canada.ca or tweet reports using #NBStorm.

4:37 AM ADT Thursday 02 September 2021

Rainfall warning in effect for:

Kings County P.E.I.

Rain, at times heavy, is expected.

Total rainfall: 40 to 60 mm, with possibility of higher amounts.

Locations: Prince Edward Island.

Time span: near noon today until late overnight tonight.

Remarks: Periods of rain, at times heavy, will develop near noon today with localized downpours possible throughout the day and tonight .The rain is then expected to taper to showers overnight tonight with scattered showers persisting through the day Friday, In addition, strong northwest winds gusting up to 80 km/h will spread across the island overnight tonight and Friday.

Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.

Rainfall warnings are issued when significant rainfall is expected.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to PEstorm@canada.ca or tweet reports using #PEStorm.

4:35 AM ADT Thursday 02 September 2021

Rainfall warning in effect for:

Saint John and County

Rain, at times heavy, is expected.

Total rainfall: 40 to 70 mm, with possibility of higher amounts.

Locations: southeastern New Brunswick.

Time span: today and tonight.

Remarks: Periods of rain, at times heavy, will spread across the province this morning with localized downpours possible throughout the day. The rain is expected to taper to showers overnight tonight, with scattered showers persisting into Friday.

Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.

Rainfall warnings are issued when significant rainfall is expected.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NBstorm@canada.ca or tweet reports using #NBStorm.