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Cibolo Creek at Selma, TX (SELT2)


Data Type




Inundation Levels
NAVD88 Stage

765.7* 37.0*
764.7* 36.0*
Record Crest: 35.4 ft
763.7 35.0
762.7 34.0
761.7 33.0
760.7 32.0
759.7 31.0
758.7 30.0
757.7 29.0
756.7 28.0
755.7 27.0
754.7 26.0
753.7 25.0
752.7 24.0
751.7 23.0
750.7 22.0

Major Flooding Begins

749.7 21.0
748.7 20.0

Moderate Flooding Begins

747.7 19.0
746.7 18.0
745.7 17.0

Minor Flooding Begins

744.7 16.0
743.7 15.0
742.7 14.0
* = Extended rating
Weather Forecast Office Austin/San Antonio, TX West Gulf River Forecast Center

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Current Stage:
1.5 ft at 09/02/2014 23:00:00 UTC
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Inundation Legend Inundation Legend
USGS Gauge Location Gauge Location

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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Flood Categories (in feet)
Major Flood Stage:22
Moderate Flood Stage:20
Flood Stage:17
Action Stage:14

Historical Crests
(1) 35.40 ft on 10/17/1998
(2) 29.73 ft on 06/22/1997
(3) 26.00 ft on 01/01/1989
(4) 24.34 ft on 05/12/1972
(5) 22.31 ft on 07/02/2002
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(P): Preliminary values subject to further review.

Low Water Records

Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.

Extended rating:
Rating Curve Extension - The Rating Curve Extension is calculated by using either a linear, logarithmic, or hydraulic technique to extend the rating curve above the currently established relationship between stage and flow.

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31 Water reaches the floor of the highway 78 bridge
22 Major flooding severely floods a trailer park in schertz. Major lowland flooding damages crop and pasture land below bulverde to below falls city, flooding secondary roads and low bridges
20 A trailer park downstream in schertz floods. Flow approaches lowest businesses and residences in schertz. Moderate lowland flooding damages crop and pasture land in the flood plain below bulverde to below stockdale
17 Minor lowland flooding floods a trailer park downstream in schertz. Moderate lowland flooding in the flood plain below bulverde to below stockdale floods secondary roads and bridges near the creek
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Page last modified: 16-Jul-2014 2:12 AM
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Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.