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.
Situational awareness (Saturday, 2023-10-07)
River flows at the Little Falls gage continue to decline. Flows at the Point of Rocks gage show an overall downward trend, though marked inter-daily fluctuations are present. A field measurement was conducted at the Point of Rocks gage by the USGS on October 4.
According to the Middle Atlantic River Forecast Center predictions, 0.3 inches of rain are expected over the next 24 hours.
Situational Awareness (Friday, 2023-10-06)
According to the Middle Atlantic River Forecast Center predictions, the next 24 hours may see 0.1 inches of rain. Over the next 3 days, the average basin rainfall may be around 0.2 inches.
Situational Awareness (Thursday, 2023-10-05)
River flows at Point of Rocks continue to stay below the CO-OP daily monitoring threshold of 2000 cfs. According to the Middle Atlantic River Forecast Center no appreciable rainfall has occurred in the basin over the past 24 hours. The outlook for the 3 days expects a total of approximately 0.2 inches of rainfall.
Situational Awareness (Wednesday, 2023-10-04)
CO-OP is reinitiating daily drought monitoring and reporting today because Potomac River flow at the US Geological Survey’s stream gage at Point of Rocks, Maryland, is below 2000 cubic feet per second (cfs), CO-OP's daily monitoring threshold. According to the Middle Atlantic River Forecast Center predictions, no rainfall is expected in the basin over the next three days. The week-long outlook expects a total of approximately 0.2 inches of rain.