洪水警报

...The National Weather Service in Midland/Odessa has issued a Flood
Warning for the following rivers in Texas...

Rio Grande at Rio Grande at Presidio Vehicle Bridge affecting
Presidio County.

For the Rio Grande...including Rio Grande at Presidio Vehicle
Bridge...Minor flooding is forecast.

* WHAT...Major flooding is occurring and minor flooding is forecast.
This approaches the flood of record.

* WHERE...Rio Grande at Rio Grande at Presidio Vehicle Bridge.

* WHEN...From this morning to late tonight.

* IMPACTS...At 12.0 feet, the river reaches bankfull, after which the
flood plain between the levees begins to flood.  No damage is
expected. At 15.5 feet, the river reaches minor flood stage, and
flooding between the levees occurs.  No damage to structures is
expected. At 20.0 feet, the river reaches moderate flood stage,
inundating the plain between the levees.  Erosion of the levees is
likely.  Water may seep through the levees, flooding adjacent
farmland. At 22.9 feet, the river reaches major flood stage.  While
water remains between the levees at Presidio, areas downstream may
experience significant flooding.  FM 170 downstream of Presidio
will flood in low spots.  Farmland along the river will be
inundated. At 25.0 feet, the river remains between the levees at
Presidio, although continued flows at this level could cause damage
to the levees.  FM 170 downstream will likely be flooded and
impassable in spots.  Farmland around the river will continue to
inundate. At 25.8 feet, the river reaches record stage for the
period of record (1978).  A higher stage was reached in 1932, but
the exact stage is unknown.  FM 170 will be flooded downstream of
Presidio.  Farmland around the river will remain inundated. At 28.2
feet, the river reaches record stage for the period of record
(1978).  A higher stage was reached in 1932, but the exact stage is
unknown.  FM 170 remains flooded downstream of Presidio.  Farmland
adjacent to the river remains inundated. At 30.0 feet, The top of
the levee is reached, and water will begin to overtop the levees.
Major flooding of Presidio and surrounding farmland is likely.

* ADDITIONAL DETAILS...
- At 7:30 AM CDT Monday the stage was 40.6 feet (12.4 meters).
- Bankfull stage is 12.0 feet (3.7 meters).
- Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 AM CDT Monday was 40.6 feet (12.4 meters).
- Forecast...The river is expected to fall below flood stage late
this afternoon and continue falling to 4.2 feet (1.3 meters)
Saturday morning.
- Flood stage is 15.5 feet (4.7 meters).
- Flood History...This crest compares to a previous crest of 28.2
feet (8.6 meters) on 09/16/2008.
- http://www.weather.gov/safety/flood