Flood Watch: Northern Baltimore; Cecil; Southern Baltimore; Anne Arundel; Central and Southeast Howard; Northwest Harford; Southeast Harford

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Flood Watch — Northern Baltimore; Cecil; Southern Baltimore; Anne Arundel; Central and Southeast Howard; Northwest Harford; Southeast Harford Severity: Severe. Certainty: Possible. Strong thunderstorms will track across the area with a humid air mass supporting torrential downpours. These will be capable of producing flash flooding. * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central, northeast, and northern Maryland, including the following areas, in central Maryland, Anne Arundel and Central and Southeast Howard. In northeast Maryland, Cecil. In northern Maryland, Northern Baltimore, Northwest Harford, Southeast Harford and Southern Baltimore. * WHEN...From 8 AM EDT this morning through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Strong to severe thunderstorms are likely to push across the area with a humid air mass in place. Very heavy rainfall rates are possible in these storms. These rates could approach 1 to 2 inches per hour, with higher instantaneous rates possible. The most vulnerable locations would be urbanized areas along I-95 as well as areas which have experienced heavy rainfall in recent days. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information