Observed gauges / Forecast gauges / NWS warnings: feeds current
Observed gauges: Feed current; checked .
Forecast gauges: Feed current; checked .
NWS warnings: Feed current; checked .
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Minor flooding
Rio Grande at Castolon, TX
- Gauge
- River gauge · CSTT2 · NWS MAF
- Observed
- Observed 15.07 ft at : minor flooding
- Forecast
- Forecast issued · highest 13.5 ft at : action stage
- Stages
- Action 13 ft · Flood (minor) 15 ft · Moderate 19 ft · Major 24 ft
- Forecasts
- Forecasts are issued as needed during times of high water, but are not routinely available.
Forecast hydrograph
The forecast points as a table
| Time | Stage |
|---|---|
| 13.5 ft | |
| 10.5 ft | |
| 10.2 ft | |
| 11.3 ft | |
| 12.3 ft | |
| 11.7 ft | |
| 10.1 ft | |
| 8.8 ft | |
| 7.5 ft | |
| 6.3 ft | |
| 5 ft | |
| 3.9 ft | |
| 3.3 ft | |
| 3 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.7 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.9 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.8 ft | |
| 2.8 ft |
What NWS lists at this gauge
- 15 ft: the river reaches minor flood stage, and lowland flooding begins. The river begins to flood the road between Santa Elena Canyon and Cottonwood Campground in Big Bend National Park. The river begins to flood the parking lot at Santa Elena Canyon, and cut off the nature trail into the canyon. Campers in Cottonwood Campground need to prepare for possible evacuations.
- 13 ft: the river reaches bankfull, and no significant damage is expected.
NWS’s statements for this gauge’s water at each stage, up to the highest observed or forecast. A gauge does not say whether a particular road or neighbourhood near it floods. Read .
NWPS’s page for CSTT2 On the Live tracker’s map River flood warnings in Texas
Rain and rivers in Texas
- Expected rain: 1.25 in or more at its highest in Texas, in WPC’s forecast for the 24 hours to . An amount for the area its contour covers, not a total for any one street.
- Rain that fell: 4 to 6 in at its highest in Texas, in the 24 hours to , by MRMS’s radar estimate over a grid about 5 km across: a measurement of the past, not corrected to rain gauges.
- Rivers: 2 gauges in flood in Texas, by NWS’s lists read . Minor flooding Rio Grande at Castolon, TX. Observed 15.07 ft at : minor flooding. Forecast issued · highest 13.5 ft at : action stage. And 1 more. A gauge measures its river at that spot, not whether a road or a neighbourhood floods.
Three sources, each its own window. None is a chance of flash flooding, which is WPC’s outlook above; a flash flood is a warning’s. Gauges in the Live tracker
On the Briefing’s map
- Flash-flood risk WPC’s Excessive Rainfall Outlook: a chance, in four categories
- Expected rain WPC’s 24-hour rain forecast, in inches
- Rain that fell MRMS’s radar estimate for the past 24 or 72 hours
River, coastal and lake gauges in Texas
Two gauges in flood in Texas, observed or forecast. Choose one for its forecast hydrograph.
Minor flooding 2
- Observed: minor flooding Rio Grande at Castolon, TXObserved 15.07 ft at : minor floodingForecast issued · highest 13.5 ft at : action stage
- Observed: minor flooding Rio Grande 5 miles SE of Presidio at Presidio, TXObserved 9.24 ft at : minor floodingForecast issued · highest 9.9 ft at · below flood stage (9 ft) by : minor flooding
Action stage, not flooding 7
Action stage is the level at which NWS and local officials begin to act; the water is not yet at flood stage.
- Forecast: action stage Canadian River at Amarillo, TXNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 6.3 ft at : action stage
- Observed: action stage Rio Grande at Boquillas Crossing, TXObserved 11.66 ft at : action stageForecast issued · highest 10.6 ft at : action stage
- Observed: action stage Rio Grande at Johnson Ranch, TXObserved 12.44 ft at : action stageForecast issued · highest 14.7 ft at : action stage
- Forecast: action stage Rio Grande at Presidio International Bridge, TXNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 13.8 ft at : action stage
- Forecast: action stage Rainbow Bridge, TXNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 2.2 ft at : action stage
- Forecast: action stage Palo Duro Creek at Spearman, TXNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 15 ft at : action stage
- Observed: action stage Texas Point, TXObserved 2.76 ft at : action stageForecast issued · highest 3.7 ft at : action stage
A gauge measures its water at that one place. Flash flooding, which comes in hours from heavy rain, is in the warnings as Flash Flood Warnings; a river can be in flood with no rain falling.
Gauges observed checked · Data: NOAA/NWS
Gauges forecast checked · Data: NOAA/NWS
Gauge impacts and forecasts checked · Data: NOAA/NWPS
Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.