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Hydrograph River at a Glance Download
Tallahala Creek near Runnelstown Stage (ft)Flow (kcfs)Highest Observation: 9.55 ft at 3:00AM Mar 27, 2015Observed: 9.53 ft at 4:00AM Mar 27, 2015Observed: 9.49 ft at 5:00AM Mar 27, 2015Observed: 9.42 ft at 6:00AM Mar 27, 2015Observed: 9.4 ft at 7:00AM Mar 27, 2015Observed: 9.37 ft at 8:00AM Mar 27, 2015Observed: 9.35 ft at 9:00AM Mar 27, 2015Observed: 9.31 ft at 10:00AM Mar 27, 2015Observed: 9.26 ft at 11:00AM Mar 27, 2015Observed: 9.23 ft at 12:00PM Mar 27, 2015Observed: 9.17 ft at 1:00PM Mar 27, 2015Observed: 9.11 ft at 2:00PM Mar 27, 2015Observed: 9.04 ft at 3:00PM Mar 27, 2015Observed: 8.97 ft at 4:00PM Mar 27, 2015Observed: 8.9 ft at 5:00PM Mar 27, 2015Observed: 8.82 ft at 6:00PM Mar 27, 2015Observed: 8.74 ft at 7:00PM Mar 27, 2015Observed: 8.65 ft at 8:00PM Mar 27, 2015Observed: 8.56 ft at 9:00PM Mar 27, 2015Observed: 8.49 ft at 10:00PM Mar 27, 2015Observed: 8.39 ft at 11:00PM Mar 27, 2015Observed: 8.32 ft at 12:00AM Mar 28, 2015Observed: 8.22 ft at 1:00AM Mar 28, 2015Observed: 8.15 ft at 2:00AM Mar 28, 2015Observed: 8.08 ft at 3:00AM Mar 28, 2015Observed: 8 ft at 4:00AM Mar 28, 2015Observed: 7.94 ft at 5:00AM Mar 28, 2015Observed: 7.88 ft at 6:00AM Mar 28, 2015Observed: 7.81 ft at 7:00AM Mar 28, 2015Observed: 7.75 ft at 8:00AM Mar 28, 2015Observed: 7.7 ft at 9:00AM Mar 28, 2015Observed: 7.65 ft at 10:00AM Mar 28, 2015Observed: 7.61 ft at 11:00AM Mar 28, 2015Observed: 7.56 ft at 12:00PM Mar 28, 2015Observed: 7.5 ft at 1:00PM Mar 28, 2015Observed: 7.47 ft at 2:00PM Mar 28, 2015Observed: 7.43 ft at 3:00PM Mar 28, 2015Observed: 7.4 ft at 4:00PM Mar 28, 2015Observed: 7.36 ft at 5:00PM Mar 28, 2015Observed: 7.35 ft at 6:00PM Mar 28, 2015Observed: 7.33 ft at 7:00PM Mar 28, 2015Observed: 7.31 ft at 8:00PM Mar 28, 2015Observed: 7.28 ft at 9:00PM Mar 28, 2015Observed: 7.26 ft at 10:00PM Mar 28, 2015Observed: 7.23 ft at 11:00PM Mar 28, 2015Observed: 7.19 ft at 12:00AM Mar 29, 2015Observed: 7.15 ft at 1:00AM Mar 29, 2015Observed: 7.13 ft at 2:00AM Mar 29, 2015Observed: 7.12 ft at 3:00AM Mar 29, 2015Observed: 7.09 ft at 4:00AM Mar 29, 2015Observed: 7.08 ft at 5:00AM Mar 29, 2015Observed: 7.07 ft at 6:00AM Mar 29, 2015Observed: 7.04 ft at 7:00AM Mar 29, 2015Observed: 7.02 ft at 8:00AM Mar 29, 2015Observed: 7 ft at 9:00AM Mar 29, 2015Observed: 6.98 ft at 10:00AM Mar 29, 2015Observed: 6.95 ft at 11:00AM Mar 29, 2015Observed: 6.93 ft at 12:00PM Mar 29, 2015Observed: 6.91 ft at 1:00PM Mar 29, 2015Observed: 6.89 ft at 2:00PM Mar 29, 2015Observed: 6.87 ft at 3:00PM Mar 29, 2015Observed: 6.85 ft at 4:00PM Mar 29, 2015Observed: 6.84 ft at 5:00PM Mar 29, 2015Observed: 6.84 ft at 6:00PM Mar 29, 2015Observed: 6.82 ft at 7:00PM Mar 29, 2015Observed: 6.81 ft at 8:00PM Mar 29, 2015Observed: 6.79 ft at 9:00PM Mar 29, 2015Observed: 6.77 ft at 10:00PM Mar 29, 2015Observed: 6.75 ft at 11:00PM Mar 29, 2015Observed: 6.74 ft at 12:00AM Mar 30, 2015RNTM6(plotting HGIRG) Graph Created (2:00AM Mar 30, 2015)ObservedLatest observed value: 6.74 ft at 12:00 AM CDT 30-Mar-2015. Flood Stage is 21 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts for the Tallahala Creek near Runnelstown are issued as needed during times of high water, but are not routinely available.
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Flood Categories (in feet)
Major Flood Stage: 35
Moderate Flood Stage: 29.5
Flood Stage: 21
Action Stage: 16
Low Stage (in feet): 0

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:14
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Gauge LocationGauge Map Marker
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.
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35 Approximate floor level of brigde tallahala creek bridge.
29.5 Usgs 100 year flood.
21 Lowland flooding begins.
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Latitude: 31.332778° N, Longitude: 89.112500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 104.58 ft 125.58 ft  

Current/Historical Observations:

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NWS Information
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Page last modified: 12-Feb-2015 9:35 PM
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