Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip
        
Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes:

  • Attention: Technicians are currently working to bring Precipitation datasets back to full capability after the April 16 outage.
  • NWPS - water.noaa.gov - Officially operational on Wednesday, March 27th, 8-9am EDT
  • AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024 - the pages will automatically redirect to water.noaa.gov until May 28, 2025.
  • Other Important URL changes - Service Change Notice 24-29 

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Langham Creek at Addicks Reservoir Pool (ft)Flow (kcfs)Observed: 69.71 ft at 4:45AM Apr 21, 2024Observed: 69.76 ft at 5:00AM Apr 21, 2024Observed: 69.78 ft at 5:15AM Apr 21, 2024Observed: 69.8 ft at 5:30AM Apr 21, 2024Observed: 69.81 ft at 5:45AM Apr 21, 2024Observed: 69.81 ft at 6:00AM Apr 21, 2024Observed: 69.84 ft at 6:15AM Apr 21, 2024Observed: 69.85 ft at 6:30AM Apr 21, 2024Observed: 69.88 ft at 6:45AM Apr 21, 2024Observed: 69.92 ft at 7:00AM Apr 21, 2024Observed: 69.98 ft at 7:15AM Apr 21, 2024Observed: 70.08 ft at 7:30AM Apr 21, 2024Observed: 70.19 ft at 7:45AM Apr 21, 2024Observed: 70.31 ft at 8:00AM Apr 21, 2024Observed: 70.43 ft at 8:15AM Apr 21, 2024Observed: 70.56 ft at 8:30AM Apr 21, 2024Observed: 70.66 ft at 8:45AM Apr 21, 2024Observed: 70.81 ft at 9:00AM Apr 21, 2024Observed: 70.95 ft at 9:15AM Apr 21, 2024Observed: 71.05 ft at 9:30AM Apr 21, 2024Observed: 71.25 ft at 9:45AM Apr 21, 2024Observed: 71.36 ft at 10:00AM Apr 21, 2024Observed: 71.48 ft at 10:15AM Apr 21, 2024Observed: 71.61 ft at 10:30AM Apr 21, 2024Observed: 71.73 ft at 10:45AM Apr 21, 2024Observed: 71.87 ft at 11:00AM Apr 21, 2024Observed: 71.99 ft at 11:15AM Apr 21, 2024Observed: 72.1 ft at 11:30AM Apr 21, 2024Observed: 72.19 ft at 11:45AM Apr 21, 2024Observed: 72.28 ft at 12:00PM Apr 21, 2024Observed: 72.36 ft at 12:15PM Apr 21, 2024Observed: 72.44 ft at 12:30PM Apr 21, 2024Observed: 72.51 ft at 12:45PM Apr 21, 2024Observed: 72.57 ft at 1:00PM Apr 21, 2024Observed: 72.68 ft at 1:15PM Apr 21, 2024Observed: 72.75 ft at 1:30PM Apr 21, 2024Observed: 72.84 ft at 1:45PM Apr 21, 2024Observed: 72.86 ft at 2:00PM Apr 21, 2024Observed: 72.97 ft at 2:15PM Apr 21, 2024Observed: 72.94 ft at 2:30PM Apr 21, 2024Observed: 72.95 ft at 2:45PM Apr 21, 2024Observed: 72.96 ft at 3:00PM Apr 21, 2024Observed: 72.98 ft at 3:15PM Apr 21, 2024Observed: 73 ft at 3:30PM Apr 21, 2024Observed: 73.05 ft at 3:45PM Apr 21, 2024Observed: 73.06 ft at 4:00PM Apr 21, 2024Observed: 73.09 ft at 4:15PM Apr 21, 2024Observed: 73.1 ft at 4:30PM Apr 21, 2024Observed: 73.12 ft at 4:45PM Apr 21, 2024Observed: 73.13 ft at 5:00PM Apr 21, 2024Observed: 73.15 ft at 5:15PM Apr 21, 2024Observed: 73.17 ft at 5:30PM Apr 21, 2024Observed: 73.18 ft at 5:45PM Apr 21, 2024Observed: 73.2 ft at 6:00PM Apr 21, 2024Observed: 73.21 ft at 6:15PM Apr 21, 2024Observed: 73.22 ft at 6:30PM Apr 21, 2024Observed: 73.23 ft at 6:45PM Apr 21, 2024Observed: 73.25 ft at 7:00PM Apr 21, 2024Observed: 73.26 ft at 7:15PM Apr 21, 2024Observed: 73.28 ft at 7:30PM Apr 21, 2024Observed: 73.29 ft at 7:45PM Apr 21, 2024Highest Observation: 73.31 ft at 8:00PM Apr 21, 2024Highest Observation: 73.31 ft at 8:15PM Apr 21, 2024Highest Observation: 73.31 ft at 8:30PM Apr 21, 2024Highest Observation: 73.31 ft at 8:45PM Apr 21, 2024Highest Observation: 73.31 ft at 9:00PM Apr 21, 2024Highest Observation: 73.31 ft at 9:15PM Apr 21, 2024Observed: 73.3 ft at 9:30PM Apr 21, 2024Observed: 73.3 ft at 9:45PM Apr 21, 2024Observed: 73.29 ft at 10:00PM Apr 21, 2024Observed: 73.29 ft at 10:15PM Apr 21, 2024Observed: 73.27 ft at 10:30PM Apr 21, 2024Observed: 73.26 ft at 10:45PM Apr 21, 2024Observed: 73.25 ft at 11:00PM Apr 21, 2024Observed: 73.23 ft at 11:15PM Apr 21, 2024Observed: 73.21 ft at 11:30PM Apr 21, 2024Observed: 73.19 ft at 11:45PM Apr 21, 2024Observed: 73.17 ft at 12:00AM Apr 22, 2024Observed: 73.15 ft at 12:15AM Apr 22, 2024Observed: 73.14 ft at 12:30AM Apr 22, 2024Observed: 73.13 ft at 12:45AM Apr 22, 2024Observed: 73.11 ft at 1:00AM Apr 22, 2024Observed: 73.07 ft at 1:15AM Apr 22, 2024Observed: 73.03 ft at 1:30AM Apr 22, 2024Observed: 73 ft at 1:45AM Apr 22, 2024Observed: 72.96 ft at 2:00AM Apr 22, 2024Observed: 72.93 ft at 2:15AM Apr 22, 2024Observed: 72.89 ft at 2:30AM Apr 22, 2024Observed: 72.86 ft at 2:45AM Apr 22, 2024Observed: 72.82 ft at 3:00AM Apr 22, 2024Observed: 72.79 ft at 3:15AM Apr 22, 2024Observed: 72.75 ft at 3:30AM Apr 22, 2024Observed: 72.72 ft at 3:45AM Apr 22, 2024Observed: 72.69 ft at 4:00AM Apr 22, 2024Observed: 72.66 ft at 4:15AM Apr 22, 2024Observed: 72.62 ft at 4:30AM Apr 22, 2024Observed: 72.59 ft at 4:45AM Apr 22, 2024Observed: 72.55 ft at 5:00AM Apr 22, 2024Observed: 72.52 ft at 5:15AM Apr 22, 2024Observed: 72.48 ft at 5:30AM Apr 22, 2024Observed: 72.45 ft at 5:45AM Apr 22, 2024Observed: 72.41 ft at 6:00AM Apr 22, 2024Observed: 72.37 ft at 6:15AM Apr 22, 2024Observed: 72.34 ft at 6:30AM Apr 22, 2024Observed: 72.3 ft at 6:45AM Apr 22, 2024Observed: 72.26 ft at 7:00AM Apr 22, 2024Observed: 72.23 ft at 7:15AM Apr 22, 2024Observed: 72.2 ft at 7:30AM Apr 22, 2024Observed: 72.18 ft at 7:45AM Apr 22, 2024Observed: 72.15 ft at 8:00AM Apr 22, 2024Observed: 72.11 ft at 8:15AM Apr 22, 2024Observed: 72.07 ft at 8:30AM Apr 22, 2024Observed: 72.02 ft at 8:45AM Apr 22, 2024Observed: 71.98 ft at 9:00AM Apr 22, 2024Observed: 71.94 ft at 9:15AM Apr 22, 2024Observed: 71.89 ft at 9:30AM Apr 22, 2024Observed: 71.84 ft at 9:45AM Apr 22, 2024Observed: 71.78 ft at 10:00AM Apr 22, 2024Observed: 71.73 ft at 10:15AM Apr 22, 2024Observed: 71.66 ft at 10:30AM Apr 22, 2024Observed: 71.63 ft at 10:45AM Apr 22, 2024Observed: 71.57 ft at 11:00AM Apr 22, 2024Observed: 71.53 ft at 11:15AM Apr 22, 2024Observed: 71.47 ft at 11:30AM Apr 22, 2024Observed: 71.42 ft at 11:45AM Apr 22, 2024Observed: 71.38 ft at 12:00PM Apr 22, 2024Observed: 71.33 ft at 12:15PM Apr 22, 2024Observed: 71.28 ft at 12:30PM Apr 22, 2024Observed: 71.21 ft at 12:45PM Apr 22, 2024Observed: 71.18 ft at 1:00PM Apr 22, 2024Observed: 71.14 ft at 1:15PM Apr 22, 2024Observed: 71.09 ft at 1:30PM Apr 22, 2024Observed: 71.05 ft at 1:45PM Apr 22, 2024Observed: 71 ft at 2:00PM Apr 22, 2024Observed: 70.96 ft at 2:15PM Apr 22, 2024Observed: 70.92 ft at 2:30PM Apr 22, 2024Observed: 70.89 ft at 2:45PM Apr 22, 2024Observed: 70.84 ft at 3:00PM Apr 22, 2024Observed: 70.81 ft at 3:15PM Apr 22, 2024Observed: 70.78 ft at 3:30PM Apr 22, 2024Observed: 70.74 ft at 3:45PM Apr 22, 2024Observed: 70.71 ft at 4:00PM Apr 22, 2024Observed: 70.7 ft at 4:15PM Apr 22, 2024Observed: 70.66 ft at 4:30PM Apr 22, 2024Observed: 70.65 ft at 4:45PM Apr 22, 2024Observed: 70.62 ft at 5:00PM Apr 22, 2024Observed: 70.6 ft at 5:15PM Apr 22, 2024Observed: 70.56 ft at 5:30PM Apr 22, 2024Observed: 70.53 ft at 5:45PM Apr 22, 2024Observed: 70.5 ft at 6:00PM Apr 22, 2024Observed: 70.46 ft at 6:15PM Apr 22, 2024Observed: 70.42 ft at 6:30PM Apr 22, 2024Observed: 70.38 ft at 6:45PM Apr 22, 2024Observed: 70.35 ft at 7:00PM Apr 22, 2024Observed: 70.32 ft at 7:15PM Apr 22, 2024Observed: 70.28 ft at 7:30PM Apr 22, 2024Observed: 70.25 ft at 7:45PM Apr 22, 2024Observed: 70.23 ft at 8:00PM Apr 22, 2024Observed: 70.21 ft at 8:15PM Apr 22, 2024Observed: 70.17 ft at 8:30PM Apr 22, 2024Observed: 70.13 ft at 8:45PM Apr 22, 2024Observed: 70.1 ft at 9:00PM Apr 22, 2024Observed: 70.08 ft at 9:15PM Apr 22, 2024Observed: 70.05 ft at 9:30PM Apr 22, 2024Observed: 70.03 ft at 9:45PM Apr 22, 2024Observed: 70.01 ft at 10:00PM Apr 22, 2024Observed: 69.99 ft at 10:15PM Apr 22, 2024Observed: 69.96 ft at 10:30PM Apr 22, 2024Observed: 69.95 ft at 10:45PM Apr 22, 2024Observed: 69.94 ft at 11:00PM Apr 22, 2024Observed: 69.93 ft at 11:15PM Apr 22, 2024Observed: 69.92 ft at 11:30PM Apr 22, 2024Observed: 69.91 ft at 11:45PM Apr 22, 2024Observed: 69.89 ft at 12:00AM Apr 23, 2024Observed: 69.88 ft at 12:15AM Apr 23, 2024Observed: 69.87 ft at 12:30AM Apr 23, 2024Observed: 69.86 ft at 12:45AM Apr 23, 2024Observed: 69.85 ft at 1:00AM Apr 23, 2024Observed: 69.84 ft at 1:15AM Apr 23, 2024Observed: 69.83 ft at 1:30AM Apr 23, 2024Observed: 69.82 ft at 1:45AM Apr 23, 2024Observed: 69.81 ft at 2:00AM Apr 23, 2024Observed: 69.81 ft at 2:15AM Apr 23, 2024Observed: 69.8 ft at 2:30AM Apr 23, 2024Observed: 69.8 ft at 2:45AM Apr 23, 2024Observed: 69.8 ft at 3:00AM Apr 23, 2024Observed: 69.79 ft at 3:15AM Apr 23, 2024Observed: 69.8 ft at 3:30AM Apr 23, 2024Observed: 69.8 ft at 3:45AM Apr 23, 2024Observed: 69.8 ft at 4:00AM Apr 23, 2024Observed: 69.8 ft at 4:15AM Apr 23, 2024Observed: 69.81 ft at 4:30AM Apr 23, 2024Observed: 69.81 ft at 4:45AM Apr 23, 2024Observed: 69.82 ft at 5:00AM Apr 23, 2024Observed: 69.82 ft at 5:15AM Apr 23, 2024Observed: 69.83 ft at 5:30AM Apr 23, 2024Observed: 69.83 ft at 5:45AM Apr 23, 2024Observed: 69.83 ft at 6:00AM Apr 23, 2024Observed: 69.83 ft at 6:15AM Apr 23, 2024Observed: 69.82 ft at 6:30AM Apr 23, 2024Observed: 69.82 ft at 6:45AM Apr 23, 2024Observed: 69.82 ft at 7:00AM Apr 23, 2024Observed: 69.83 ft at 7:15AM Apr 23, 2024Observed: 69.84 ft at 7:30AM Apr 23, 2024Observed: 69.84 ft at 7:45AM Apr 23, 2024Observed: 69.84 ft at 8:00AM Apr 23, 2024Observed: 69.82 ft at 8:15AM Apr 23, 2024Observed: 69.81 ft at 8:30AM Apr 23, 2024Observed: 69.8 ft at 8:45AM Apr 23, 2024Observed: 69.78 ft at 9:00AM Apr 23, 2024Observed: 69.77 ft at 9:15AM Apr 23, 2024Observed: 69.75 ft at 9:30AM Apr 23, 2024Observed: 69.96 ft at 9:45AM Apr 23, 2024Observed: 70 ft at 10:00AM Apr 23, 2024Observed: 69.89 ft at 10:15AM Apr 23, 2024Observed: 69.67 ft at 10:30AM Apr 23, 2024Observed: 70.03 ft at 10:45AM Apr 23, 2024Observed: 69.91 ft at 11:00AM Apr 23, 2024Observed: 69.59 ft at 11:15AM Apr 23, 2024Observed: 69.2 ft at 11:30AM Apr 23, 2024Observed: 69.26 ft at 11:45AM Apr 23, 2024Observed: 69.33 ft at 12:00PM Apr 23, 2024Observed: 69.36 ft at 12:15PM Apr 23, 2024Observed: 69.39 ft at 12:30PM Apr 23, 2024Observed: 69.39 ft at 12:45PM Apr 23, 2024Observed: 69.39 ft at 1:00PM Apr 23, 2024Observed: 69.38 ft at 1:15PM Apr 23, 2024Observed: 69.38 ft at 1:30PM Apr 23, 2024Observed: 69.37 ft at 1:45PM Apr 23, 2024Observed: 69.36 ft at 2:00PM Apr 23, 2024Observed: 69.34 ft at 2:15PM Apr 23, 2024Observed: 69.34 ft at 2:30PM Apr 23, 2024Observed: 69.34 ft at 2:45PM Apr 23, 2024Observed: 69.33 ft at 3:00PM Apr 23, 2024Observed: 69.33 ft at 3:15PM Apr 23, 2024Observed: 69.33 ft at 3:30PM Apr 23, 2024Observed: 69.33 ft at 3:45PM Apr 23, 2024Observed: 69.32 ft at 4:00PM Apr 23, 2024Observed: 69.32 ft at 4:15PM Apr 23, 2024Observed: 69.33 ft at 4:30PM Apr 23, 2024Observed: 69.32 ft at 4:45PM Apr 23, 2024Observed: 69.32 ft at 5:00PM Apr 23, 2024Observed: 69.31 ft at 5:15PM Apr 23, 2024Observed: 69.31 ft at 5:30PM Apr 23, 2024Observed: 69.3 ft at 5:45PM Apr 23, 2024Observed: 69.29 ft at 6:00PM Apr 23, 2024Observed: 69.29 ft at 6:15PM Apr 23, 2024Observed: 69.27 ft at 6:30PM Apr 23, 2024Observed: 69.26 ft at 6:45PM Apr 23, 2024Observed: 69.23 ft at 7:00PM Apr 23, 2024Observed: 69.22 ft at 7:15PM Apr 23, 2024Observed: 69.2 ft at 7:30PM Apr 23, 2024Observed: 69.17 ft at 7:45PM Apr 23, 2024Observed: 69.15 ft at 8:00PM Apr 23, 2024Observed: 69.13 ft at 8:15PM Apr 23, 2024Observed: 69.12 ft at 8:30PM Apr 23, 2024Observed: 69.1 ft at 8:45PM Apr 23, 2024Observed: 69.1 ft at 9:00PM Apr 23, 2024Observed: 69.08 ft at 9:15PM Apr 23, 2024Observed: 69.07 ft at 9:30PM Apr 23, 2024Observed: 69.06 ft at 9:45PM Apr 23, 2024Observed: 69.06 ft at 10:00PM Apr 23, 2024Observed: 69.05 ft at 10:15PM Apr 23, 2024Observed: 69.03 ft at 10:30PM Apr 23, 2024Observed: 69.03 ft at 10:45PM Apr 23, 2024Observed: 69.02 ft at 11:00PM Apr 23, 2024Observed: 69.02 ft at 11:15PM Apr 23, 2024Observed: 69.02 ft at 11:30PM Apr 23, 2024Observed: 69.01 ft at 11:45PM Apr 23, 2024Observed: 69.01 ft at 12:00AM Apr 24, 2024Observed: 69.01 ft at 12:15AM Apr 24, 2024Observed: 69 ft at 12:30AM Apr 24, 2024Observed: 69 ft at 12:45AM Apr 24, 2024Observed: 69 ft at 1:00AM Apr 24, 2024Observed: 69 ft at 1:15AM Apr 24, 2024Observed: 69 ft at 1:30AM Apr 24, 2024Observed: 69 ft at 1:45AM Apr 24, 2024Observed: 69 ft at 2:00AM Apr 24, 2024Observed: 69 ft at 2:15AM Apr 24, 2024Observed: 69.01 ft at 2:30AM Apr 24, 2024Observed: 69.02 ft at 2:45AM Apr 24, 2024Observed: 69.03 ft at 3:00AM Apr 24, 2024Observed: 69.03 ft at 3:15AM Apr 24, 2024Observed: 69.04 ft at 3:30AM Apr 24, 2024Observed: 69.04 ft at 3:45AM Apr 24, 2024Observed: 69.05 ft at 4:00AM Apr 24, 2024Observed: 69.06 ft at 4:15AM Apr 24, 2024USGS--Water Resources of the United StatesADDT2(plotting HPIRG) Graph Created (4:37AM Apr 24, 2024)ObservedLatest observed value: 69.06 ft at 4:15 AM CDT 24-Apr-2024. Flood Stage is 96 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Langham Creek at Addicks Reservoir. Only observed stages are available for this point.
Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at West Belt Drive
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 96
Action Stage: 93
Low Stage (in feet): 0

Historic Crests
(1) 109.10 ft on 08/27/2017
(2) 102.65 ft on 04/23/2016
(3) 100.00 ft on 04/28/2009
(4) 97.50 ft on 03/09/1992
(5) 96.50 ft on 11/07/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 109.10 ft on 08/27/2017
(2) 102.65 ft on 04/23/2016
(3) 95.50 ft on 05/31/2015
(4) 94.10 ft on 07/12/2012
(5) 100.00 ft on 04/28/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
120 High point of dam
109.09 Pool of Record (Harvey)
108 Top of spillway/natural ground at end of dam.
103.8 Low point of Barker Cypress Road
103.4 First home flooded south side of dam
96.6 Low point of Eldridge Parkway
96 Low point of SH 6
88.8 Low point on Bear Creek Drive
87.6 Low point on Patterson Road
67.8 Bottom of Addicks Reservoir
About This Location Collapse

Latitude: 29.791111° N, Longitude: 95.623333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 96 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities