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This probabilistic forecast is issued by the West Gulf River Forecast Center.
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About this graph
Forecasts for the Frio River near Derby are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - below Dry Frio near Uvalde Upstream Gauge Downstream Gauge Downstream Gauge - at Tilden
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 7
Flood Stage: 6
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 29.45 ft on 07/04/1932
(2) 23.70 ft on 06/02/1935
(3) 22.02 ft on 07/21/2007
(4) 21.77 ft on 06/24/1997
(5) 19.87 ft on 07/07/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.40 ft on 10/18/2018
(2) 9.09 ft on 10/12/2018
(3) 9.02 ft on 09/24/2018
(4) 9.95 ft on 09/18/2018 (P)
(5) 8.81 ft on 09/11/2018 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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
17 Major flooding reaches lowest homes and businesses downstream in Tilden. Hundreds of livestock are trapped and potentially drowned in low areas of the flood plain near Derby to Choke Canyon Reservoir. Major flooding of crop and pasture land near the river inundates oil well pump jacks and irrigation pumps.
14 Significant crop and pastureland flooding below Uvalde to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the flood plain. Numerous secondary roads and low bridges are flooded. Livestock are cut off and potentially drowned in low areas of the flood plain.
10 Lowland flooding below Concan to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the lower flood plain near and above Derby.
7 Moderate lowland flooding closes Farm to Market 1581 near Derby.
6 Minor lowland flooding reaches the Farm to Market 1581 bridge floor.

Other Real-time and/or Archive Data Sources:

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
Austin/San Antonio Weather Forecast Office
2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 2-Nov-2020 7:29 PM
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