Monitoring Reports

Situational Awareness (Tuesday, 2023-10-17)
Potomac River flows are rising due to this past weekend’s rainfall, but flows at Point of Rocks are not expected to rise above the 2000 cfs drought monitoring threshold for any extended period of time. According to Middle Atlantic River Forecast Center predictions, only approximately ¼ inch of rain is expected in the basin over the next 7 days.

Recent basin-wide average precipitation (above Little Falls):

Situational Awareness (Monday, 2023-10-16)
According to the Middle Atlantic River Forecast Center predictions, there is no rain expected for the next 24 hours. The week-long outlook predicts 0.3 inches of rain in the basin.

Situational Awareness (Sunday, 2023-10-15)
The basin received 0.6 inches of rain yesterday. According to the Middle Atlantic River Forecast Center predictions, 0.2 inches of rain may fall in the next 24 hours.

Situational Awareness (Saturday, 2023-10-14)
Potomac River flow at the USGS’s Point of Rocks gage continues to fall.  We expect some improvement in flows in the coming week because forecasts call for over a half inch of rain in the basin this weekend.

Situational Awareness (Friday, 2023-10-13)
Flows at Point of Rocks and Little Falls continue to decline. According to the Middle Atlantic River Forecast Center predictions, the average basin rainfall over the next 3 days may be around 0.7 inches.

Situational Awareness (Thursday, 2023-10-12)
Potomac River flows are again slowly declining. Total Washington metropolitan area withdrawals are now lower due to the arrival of autumn weather. According to Middle Atlantic River Forecast Center forecasts, up to an inch of rain is expected in the basin over the next three days.

Recent basin-wide average precipitation (above Little Falls):

Situational Awareness (Wednesday, 2023-10-11)
River flows have been holding steady over the past few days. According to the Middle Atlantic River Forecast Center predictions, the basin may receive 0.7 inches of rain over the next 7 days.

Situational Awareness (Tuesday, 2023-10-10)
According to the Middle Atlantic River Forecast Center predictions, no rain is expected over the next three days. The week-long outlook calls for about an inch of rain.

Situational Awareness (Monday, 2023-10-09)
The Potomac River watershed above Little Falls received about a ½ inch of rain during the past three days, and as a result river flows have increased slightly. The precipitation outlook for the next seven days is promising – about an inch of rain is expected.

Recent basin-wide average precipitation (above Little Falls):

Situational Awareness (Sunday, 2023-10-08)
According to the Middle Atlantic River Forecast Center predictions, no rain is expected over the next three days. The week-long outlook expects approximately 0.8 inches of rain in the basin.