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| #1154254 (Received by flhurricane at: 10:41 PM 23.Sep.2023) TCPAT1 BULLETIN Post-Tropical Cyclone Ophelia Advisory Number 11 NWS National Hurricane Center Miami FL AL162023 1100 PM EDT Sat Sep 23 2023 ...OPHELIA BECOMES A POST-TROPICAL LOW BUT CONTINUES TO POSE A RISK OF COASTAL AND FLASH FLOODING ACROSS THE U.S. MID-ATLANTIC... ...FUTURE ADVISORIES WILL BE ISSUED BY THE WEATHER PREDICTION CENTER... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...37.1N 77.6W ABOUT 30 MI...50 KM SSW OF RICHMOND VIRGINIA ABOUT 85 MI...135 KM SE OF CHARLOTTESVILLE VIRGINIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: Coastal flood warnings, as well as flood watches and flash flood warnings, remain in effect for portions of the U.S. Mid-Atlantic. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Ophelia was located near latitude 37.1 North, longitude 77.6 West. Ophelia is moving toward the north near 8 mph (13 km/h). The center of Ophelia is expected to turn toward the north-northeast and northeast, moving across eastern Virginia and the Delmarva Peninsula through Sunday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Little change in strength is forecast during the next day or so. The post-tropical low is expected to become absorbed by a frontal boundary Sunday night or early Monday. The estimated minimum central pressure is 1003 mb (29.62 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Ophelia can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at hurricanes.gov/text/MIATCDAT1.shtml STORM SURGE: Water levels remain elevated within portions of Chesapeake Bay and its tidal rivers but should gradually recede overnight and into Sunday. For information specific to your area, please see products issued by your local National Weather Service forecast office. RAINFALL: Ophelia is expected to produce the following additional rainfall through Sunday night: Portions of the Mid-Atlantic from Virginia through New Jersey...1 to 3 inches with isolated higher totals up to 5 inches. Across southeastern New York through southern New England...1 to 3 inches. This rainfall may produce localized flash, urban, and small stream flooding impacts, particularly across the Mid-Atlantic region from Virginia to New Jersey. Isolated river flooding is possible in areas of heavier rainfall. SURF: Swells generated by Ophelia will continue to affect much of the east coast of the United States through the weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on Ophelia. Future information on this system can be found in Public Advisories issued by the Weather Prediction Center beginning at 500 AM EDT, under AWIPS header TCPAT1, WMO header WTNT31 KWNH, and on the web at www.hurricanes.gov. $$ Forecaster Berg |
