ATL: IDA - Advisories

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Re: ATL: IDA - Advisories

#41 Postby cycloneye » Wed Sep 01, 2021 3:41 am

BULLETIN
Tropical Depression Ida Advisory Number 25
NWS Weather Prediction Center College Park MD AL092021
500 AM EDT Wed Sep 01 2021

...TROPICAL DEPRESSION IDA IS MOVING INTO THE CENTRAL
APPALACHIANS AND SHOULD BECOME POST-TROPICAL TODAY...
...WIDESPREAD HEAVY RAIN AND AREAS OF LIFE THREATENING FLASH
FLOODING ARE LIKELY TODAY AND TONIGHT NEAR THE TRACK OF IDA...
...ENHANCED RISK FOR SEVERAL TORNADOES ACROSS PARTS OF THE
MID-ATLANTIC ON WEDNESDAY...


SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...37.3N 82.5W
ABOUT 135 MI...220 KM W OF ROANOKE VIRGINIA
ABOUT 135 MI...215 KM NE OF KNOXVILLE TENNESSEE
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 24 MPH...39 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches are in effect for portions of the
central Appalachians, Mid-Atlantic, and into southern New York and
southern New England.

A Tornado Watch is in effect until 8 AM EDT Wednesday across
the District of Columbia, central and northern Maryland, and
northeastern Virginia. For the latest severe weather outlooks and
status of watches, including Tornado Watches, please refer to the
Storm Prediction Center.


DISCUSSION AND OUTLOOK
----------------------
At 500 AM EDT (0900 UTC), the center of Tropical Depression Ida was
located near latitude 37.3 North, longitude 82.5 West. The
depression is moving toward the northeast near 24 mph (39 km/h) and
this motion is expected to continue over the next couple days.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some strengthening is forecast later today and tonight as Ida
becomes extratropical.

The estimated minimum central pressure is 1000 mb (29.53 inches).


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

Mid Atlantic to Southern New England: 3 to 8 inches with isolated
higher amounts through Thursday.

Significant and life-threatening flash flooding is likely from the
Mid-Atlantic into southern New England, especially across highly
urbanized metropolitan areas and areas of steep terrain. Widespread
moderate and major river flooding impacts are forecast from northern
West Virginia and western Maryland into southern Pennsylvania and
New Jersey, particularly in the Monongahela, Potomac, Susquehanna,
Delaware, and lower Hudson river basins.

Widespread minor to isolated major river flooding is occurring or
forecast from the Lower Mississippi Valley into far western Alabama
and northeast Georgia. Rivers will remain elevated into next week.

For the latest rainfall reports and wind gusts associated with
Tropical Depression 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: Several tornadoes are probable across portions of the
Mid Atlantic today, mainly during the afternoon and evening hours.


NEXT ADVISORY
-------------
Next complete advisory at 1100 AM EDT.

$$
Forecaster Lamers

FORECAST POSITIONS AND MAX WINDS

INIT 01/0900Z 37.3N 82.5W 25 KT 30 MPH...INLAND
12H 01/1800Z 38.9N 79.1W 30 KT 35 MPH...POST-TROP/INLAND
24H 02/0600Z 41.2N 73.7W 35 KT 40 MPH...POST-TROP/INLAND
36H 02/1800Z 43.8N 68.5W 35 KT 40 MPH...POST-TROP/EXTRATROP
48H 03/0600Z 46.1N 65.1W 35 KT 40 MPH...POST-TROP/EXTRATROP
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Re: ATL: IDA - Advisories

#42 Postby AlphaToOmega » Wed Sep 01, 2021 9:53 am

000
WTNT34 KWNH 011448
TCPAT4

BULLETIN
Post-Tropical Cyclone Ida Advisory Number 26
NWS Weather Prediction Center College Park MD AL092021
1100 AM EDT Wed Sep 01 2021

...IDA NOW EXTRATROPICAL WITH WIDESPREAD HEAVY RAIN AND AREAS OF
LIFE THREATENING FLASH FLOODING TODAY AND TONIGHT NEAR THE TRACK...
...AN ENHANCED RISK FOR SEVERAL TORNADOES ACROSS PARTS OF THE
MID-ATLANTIC THIS AFTERNOON AND EVENING...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...38.3N 80.2W
ABOUT 45 MI...70 KM SSW OF ELKINS WEST VIRGINIA
ABOUT 70 MI...110 KM N OF ROANOKE VIRGINIA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 25 MPH...41 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches are in effect for portions of the
central Appalachians, Mid-Atlantic, and into southern New York and
southern New England.


DISCUSSION AND OUTLOOK
----------------------
At 1100 AM EDT (1500 UTC), the center of Post-Tropical Cyclone Ida
was located near latitude 38.3 North, longitude 80.2 West. The
post-tropical cyclone is moving toward the east-northeast near 25
mph (41 km/h) and this motion is expected to continue.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some strengthening is forecast later today and tonight as Ida moves
offshore.

The estimated minimum central pressure is 1000 mb (29.53 inches).


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

Mid Atlantic to Southern New England: 3 to 8 inches with isolated
higher amounts through Thursday.

Significant and life-threatening flash flooding is likely from the
Mid-Atlantic into southern New England, especially across highly
urbanized metropolitan areas and areas of steep terrain. Widespread
moderate and major river flooding impacts are forecast from northern
West Virginia and western Maryland into southern Pennsylvania and
New Jersey, particularly in the Monongahela, Potomac, Susquehanna,
Delaware, lower Hudson and Coastal Connecticut river basins.

Widespread minor to isolated major river flooding is occurring or
forecast from the Lower Mississippi Valley into far western Alabama
and northeast Georgia. Rivers will remain elevated into next week.

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: Several tornadoes are probable across portions of the
Mid Atlantic today, mainly during the afternoon and evening hours.


NEXT ADVISORY
-------------
Next complete advisory at 500 PM EDT.

$$
Forecaster Churchill

FORECAST POSITIONS AND MAX WINDS

INIT 01/1500Z 38.3N 80.2W 25 KT 30 MPH...POST-TROP/EXTRATROP
12H 02/0000Z 40.0N 76.0W 30 KT 35 MPH...POST-TROP/EXTRATROP
24H 02/1200Z 42.5N 70.3W 35 KT 40 MPH...POST-TROP/EXTRATROP
36H 03/0000Z 44.9N 65.8W 35 KT 40 MPH...POST-TROP/EXTRATROP
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Re: ATL: IDA - Advisories

#43 Postby cycloneye » Wed Sep 01, 2021 3:59 pm

BULLETIN
Post-Tropical Cyclone Ida Advisory Number 27
NWS Weather Prediction Center College Park MD AL092021
500 PM EDT Wed Sep 01 2021

...POST-TROPICAL CYCLONE IDA BRINGING WIDESPREAD HEAVY RAIN AND
AREAS OF LIFE THREATENING FLASH FLOODING ALONG AND NEAR TRACK...
...AN ENHANCED RISK FOR TORNADOES ACROSS THE NORTHERN MID-ATLANTIC
AND FAR SOUTHERN NEW ENGLAND THROUGH THIS EVENING...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...39.7N 77.0W
ABOUT 35 MI...60 KM E OF HAGERSTOWN MARYLAND
ABOUT 35 MI...55 KM S OF HARRISBURG PENNSYLVANIA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...ENE OR 65 DEGREES AT 25 MPH...41 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches are in effect for portions of the
central Appalachians, Mid-Atlantic, and into southern New York
and New England.

Tornado Watches are in effect for much of the Mid-Atlantic,
including portions of Delaware, Maryland, New Jersey, southeastern
Pennsylvania, Washington D.C., Virginia, and far northeastern North
Carolina.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), the center of Post-Tropical Cyclone Ida
was located near latitude 39.7 North, longitude 77.0 West. The
post-tropical cyclone is moving toward the east-northeast near 25
mph (41 km/h) and this motion is expected to continue.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Little change in strength is forecast during the next 36 hours.

The estimated minimum central pressure is 999 mb (29.50 inches).


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

Mid Atlantic to Southern New England: 3 to 8 inches with isolated
higher amounts through Thursday.

Significant and life-threatening flash flooding is likely from the
Mid-Atlantic into southern New England, especially across highly
urbanized metropolitan areas and areas of steep terrain. Widespread
moderate and major river flooding impacts are forecast from eastern
West Virginia and western Maryland into southern Pennsylvania and
New Jersey, particularly in the Monongahela, Potomac, Susquehanna,
Delaware, lower Hudson and Coastal Connecticut river basins.

Widespread minor to isolated major river flooding is occurring or
forecast from the Lower Mississippi Valley into far western Alabama
and northeast Georgia. Some rivers will remain elevated into next
week.

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 few tornadoes are likely across portions of the
northern Mid-Atlantic into far southern New England through this
evening.


NEXT ADVISORY
-------------
Next complete advisory at 1100 PM EDT.

$$
Forecaster Churchill

FORECAST POSITIONS AND MAX WINDS

INIT 01/2100Z 39.7N 77.0W 30 KT 35 MPH...POST-TROP/EXTRATROP
12H 02/0600Z 41.2N 72.9W 35 KT 40 MPH...POST-TROP/EXTRATROP
24H 02/1800Z 44.2N 67.0W 35 KT 40 MPH...POST-TROP/EXTRATROP
36H 03/0600Z 46.5N 62.9W 35 KT 40 MPH...POST-TROP/EXTRATROP
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Re: ATL: IDA - Advisories

#44 Postby cycloneye » Wed Sep 01, 2021 9:33 pm

BULLETIN
Post-Tropical Cyclone Ida Advisory Number 28
NWS Weather Prediction Center College Park MD AL092021
1100 PM EDT Wed Sep 01 2021

...POST-TROPICAL CYCLONE IDA CONTINUES TO BRING WIDESPREAD HEAVY
RAINFALL AND AREAS OF LIFE THREATENING FLASH FLOODING ALONG AND
NEAR TRACK...
...AN ENHANCED RISK FOR TORNADOES WILL PERSIST ACROSS NORTHEAST NEW
JERSEY, SOUTHERN NEW YORK, AND FAR SOUTHERN NEW ENGLAND THROUGH THE
PRE-DAWN HOURS THURSDAY...


SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...40.5N 74.3W
ABOUT 190 MI...300 KM ENE OF HAGERSTOWN MARYLAND
ABOUT 140 MI...225 KM E OF HARRISBURG PENNSYLVANIA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 28 MPH...44 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches remain in effect for northern
portions of the Mid-Atlantic Region into southern New York and
southern New England.

Tornado Watches are in effect for portions of southern Connecticut,
northern New Jersey, and southern New York.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Ida
was located near latitude 40.5 North, longitude 74.3 West. The
post-tropical cyclone is moving toward the northeast near 28 mph (44
km/h), and this motion is expected to continue overnight.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Little change in strength is forecast during the next 24 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:

Northern Mid Atlantic to Southern New England: 3 to 8 inches with
isolated higher amounts through Thursday.

Significant and life-threatening flash flooding is likely from the
Mid-Atlantic into southern New England, especially across highly
urbanized metropolitan areas and areas of steep terrain. Widespread
moderate and major river flooding impacts are forecast from eastern
West Virginia and western Maryland into southern Pennsylvania and
New Jersey, particularly in the Monongahela, Potomac, Susquehanna,
Delaware, lower Hudson and Coastal Connecticut river basins.

Widespread minor to isolated major river flooding is occurring or
forecast from the Lower Mississippi Valley into far western Alabama
and northeast Georgia. Some rivers will remain elevated into next
week.

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: The threat for a few tornadoes will continue across the
northern Mid Atlantic into far southern New England through the
remainder of tonight.


NEXT ADVISORY
-------------
Next complete advisory at 500 AM EDT.

$$
Forecaster Wpc Forecaster

FORECAST POSITIONS AND MAX WINDS

INIT 02/0300Z 40.5N 74.3W 35 KT 40 MPH...POST-TROPICAL
12H 02/1200Z 42.3N 70.1W 35 KT 40 MPH...POST-TROP/EXTRATROP
24H 03/0000Z 45.3N 64.9W 40 KT 45 MPH...POST-TROP/EXTRATROP
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Re: ATL: IDA - Advisories

#45 Postby cycloneye » Thu Sep 02, 2021 5:30 am

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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