Alert: Coastal Flood Warning issued December 16 at 10:54AM EST expiring December 18 at 1:00PM EST by NWS Baltimore MD/Washington DC

Event: Coastal Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2018-12-16T10:54:00-05:00
Expires: 2018-12-16T19:00:00-05:00
Description: The National Weather Service in Baltimore MD/Washington has
issued a Coastal Flood Warning, which is in effect from 11 PM
this evening to 1 PM EST Tuesday. The Coastal Flood Watch is no
longer in effect.

* LOCATIONS…Shoreline in the District of Columbia.

* TIDAL DEPARTURE…Tidal anomalies themselves will be 1 to 1.5
feet above normal. However, the main source of excess water
will be fresh water flowing down the Potomac from recent heavy
rains, which will overwhelm the tidal anomalies, particularly
at Wisconsin Avenue.

* TIMING…Starting near the time of high tide after midnight
tonight and continuing through midday Tuesday.

* IMPACTS…Inundation will threaten buildings along the
immediate shoreline in Georgetown. Backwater flooding on Rock
Creek may also approach structures. A majority of Roosevelt
Island will be covered by flood waters. The unprotected area on
the Southwest Waterfront at the DC Seafood Market is expected to
flood. Water is expected to approach parts of the Hains Point
Loop Road, but it will likely be closed. Elsewhere, inundation
of one to three feet can be expected in low-lying, unprotected
areas, especially in the portion of the river north of the Tidal

Instruction: A Coastal Flood Warning means that flooding is occurring or
imminent. Coastal residents in the warned area should be alert
for rising water, and take appropriate action to protect life and

Link to more Info:
Urgency: Expected
Severity: Severe
Certainty: Likely
Categories: Met,
Area Description: District of Columbia

Message Identifier: NWS-IDP-PROD-3263815-2857258
CAP MessageType: Alert