| Flood Impacts |
| 70.0 | FLOW EXCEEDS THE LEVEES - FLOODING IS WIDESPREAD, DISASTROUS, AND LIFE THREATENING - |
| 65.0 | FLOW IS APPROACHING THE TOP OF THE LEVEES - RESIDENTS SHOULD BE PREPARED TO EVACAUTE RAPIDLY TO SEVERAL TENS OF MILES FROM THE RIO GRANDE CHANNEL AS EMERGENCY OFFICIALS DIRECT - PERSONS IN THE FLOOD PLAIN SHOULD MONITOR NOAA WEATHER RADIO CONTINUOUSLY |
| 58.0 | MAJOR FLOODING COVERS THE FLOOD PLAIN INSIDE THE LEVEES-THREATENS LOWEST RESIDENCES IN BROWNSVILLE AND MATAMOROS - PERSONS VULNERABLE TO LOWLAND FLOODING SHOULD MOVE EQUIPMENT TO HIGHER GROUND AND LISTEN TO NOAA WEATHER RADIO FOR DEVELOPING HEAVY RAIN CONDITIONS |
| 56.0 | MODERATE LOWLAND FLOODING INSIDE THE LEVEES REACHES LOWEST SECONDARY ROADS AND LOW BRIDGES |
| 55.0 | MINOR LOWLAND FLOODING REACHES INTO THE LOWEST SECTIONS OF THE FLOOD PLAIN INSIDE THE LEVEES WITH NO SIGNIFICANT DAMAGE |
| 44.0 | FLOW WILL EXCEED THE LOWEST BANKS OF THE LOWEST SECTIONS INSIDE THE LEVEES |
