Thursday, September 02, 2021

Extratropical Storm Ida Is Here































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

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.

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