Event extended (both time and area). Flash Flood Watch from 8/17/2021 8:00 PM to 8/18/2021 10:00 PM EDT for Central Maryland, Delmarva/Southern MD. More information.
Interactive NWS Alert
Radar valid at 1000 pm EDT, Aug 18th 2021
Southern Baltimore-Southeast Harford-
Including the cities of Aberdeen and Baltimore
401 PM EDT Tue Aug 17 2021
...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
...FLASH FLOOD WATCH IS CANCELLED...
The National Weather Service in Sterling Virginia has expanded the
* Flash Flood Watch to include a portion of northern Maryland,
including the following areas: Southeast Harford and Southern
* From 8 PM EDT this evening through Wednesday evening.
* Multiple rounds of heavy showers and thunderstorms will affect the
region from this evening through Wednesday evening. Tropical
moisture will lead to potential precipitation rates of 1 to 2
inches per hour. Localized storm total rain amounts in excess of 3
inches are possible.
* Heavy rain over a short amount of time may result in rapid rises
on streams and creeks and in urbanized and poor drainage areas.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
The Flash Flood Watch for this afternoon has been cancelled for a
portion of northern Maryland, including the following areas:
Southeast Harford and Southern Baltimore.
iNWS is an experimental service intended for NWS core partners,
including emergency managers, community leaders and other government