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Hydrograph River at a Glance Download
Southwest Branch near Largo / Harry S Truman Dr Stage (ft)Observed: 0.62 ft at 10:30AM Apr 18, 2024Observed: 0.66 ft at 3:15PM Apr 18, 2024Observed: 0.74 ft at 5:20PM Apr 18, 2024Observed: 0.7 ft at 3:15AM Apr 19, 2024Observed: 0.7 ft at 3:15PM Apr 19, 2024Observed: 0.78 ft at 4:20PM Apr 19, 2024Observed: 0.74 ft at 3:15AM Apr 20, 2024Observed: 0.82 ft at 6:20AM Apr 20, 2024Observed: 0.74 ft at 10:00AM Apr 20, 2024Observed: 0.66 ft at 2:30PM Apr 20, 2024Observed: 0.66 ft at 3:15PM Apr 20, 2024Observed: 0.74 ft at 8:20PM Apr 20, 2024Observed: 0.74 ft at 3:15AM Apr 21, 2024Observed: 0.66 ft at 10:55AM Apr 21, 2024Observed: 0.62 ft at 3:15PM Apr 21, 2024Observed: 0.7 ft at 7:20PM Apr 21, 2024Observed: 0.74 ft at 3:15AM Apr 22, 2024Observed: 0.66 ft at 8:05AM Apr 22, 2024Observed: 0.58 ft at 9:35AM Apr 22, 2024Observed: 0.66 ft at 1:10PM Apr 22, 2024Observed: 0.7 ft at 3:15PM Apr 22, 2024Observed: 0.78 ft at 9:30PM Apr 22, 2024Observed: 0.7 ft at 9:40PM Apr 22, 2024Observed: 0.78 ft at 10:20PM Apr 22, 2024Observed: 0.86 ft at 10:40PM Apr 22, 2024Observed: 0.78 ft at 10:55PM Apr 22, 2024Observed: 0.82 ft at 11:05PM Apr 22, 2024Observed: 0.94 ft at 11:30PM Apr 22, 2024Observed: 0.86 ft at 11:35PM Apr 22, 2024Highest Observation: 0.98 ft at 11:45PM Apr 22, 2024Observed: 0.78 ft at 11:50PM Apr 22, 2024Observed: 0.86 ft at 12:00AM Apr 23, 2024Observed: 0.86 ft at 12:05AM Apr 23, 2024Observed: 0.78 ft at 12:10AM Apr 23, 2024Observed: 0.7 ft at 2:25AM Apr 23, 2024Observed: 0.7 ft at 3:15AM Apr 23, 2024HTNM2(plotting HGIRR) Graph Created (3:41AM Apr 23, 2024)ObservedLatest observed value: 0.7 ft at 3:15 AM EDT 23-Apr-2024. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Southwest Branch near Largo / Harry S Truman Dr. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 13
Flood Stage: 11
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 38.876111° N, Longitude: 76.826667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 ft  
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
Other Not Available Not Available  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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