ZCZC NFDTCPAT4 ALL TTAA00 KWNH DDHHMM 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 NNNN
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