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| 36.0 |
LIFE THREATENING FLOODING - TENS OF HOMES DESTROYED...HUNDREDS SEVERELY DAMAGED IN NEW BRAUNFELS TO BELOW SEGUIN - TURBULENT FLOW IS HUNDREDS OF YARDS WIDE...TRAPPING RESIDENTS IN HOMES AND AUTOS - ROADS...STREETS AND BRIDGES FLOOD RAPIDLY TO SEVERE LEVELS |
| 33.0 |
DISASTROUS FLOODING IS LIFE THREATENING - FLOW IS WELL INTO RESIDENTIAL AREAS AND CAN TRAP PEOPLE IN THEIR HOMES - ROADS AND STREETS ARE SEVERELY FLOODED AND EXTREMELY DANGEROUS |
| 30.0 |
FLOODING IS LIFE THREATENING - SEVERAL HOMES ARE FLOODED IN THE COMAL RIVER FLOOD PLAIN - LOWEST BUSINESSES FLOOD NEAR SAN ANTONIO STREET - MANY PEOPLE ARE CUT OFF AS NUMEROUS STREETS AND ROADS FLOOD AND ARE EXTREMELY DANGEROUS |
| 26.0 |
MAJOR FLOODING REACHES LOWEST RESIDENCES IN NEW BRAUNFELS - NUMEROUS STREETS AND BRIDGES ARE FLOODED AND VERY DANGEROUS - BUSINESSES NEAR SAN ANTONIO STREET FLOOD |
| 23.0 |
MAJOR FLOODING COVERS MUCH OF THE TUBE CHUTE PARK AND FLOODS THE LOWER DECK OF A RESTUARANT DOWNSTREAM - RESIDENCES ARE THREATENED DOWNSTREAM AND UPSTREAM - NUMEROUS ROADS...STREETS AND BRIDGES ARE VERY DANGEROUS |
| 19.0 |
MODERATE FLOODING THREATENS LOWEST BUSINESSES IN THE VICINITY OF SAN ANTONIO STREET - NUMEROUS SECONDARY ROADS AND STREETS IN THE COMAL RIVER FLOOD PLAIN ARE FLOODED IN NEW BRAUNFELS |
| 15.0 |
MODERATE LOWLAND FLOODING CLOSES MANY SECONDARY ROADS AND STREETS MAKING THEM AND LOW BRIDGES DANGEROUS TO MOTORISTS - THE TUBE CHUTE PARK IS FLOODED TO THE WALKWAY ACROSS THE LOW DAM |
| 11.0 |
MINOR LOWLAND FLOODING EXTENDS INTO LOW AREAS OF THE TUBE CHUTE PARK ABOVE SAN ANTONIO STREET AND LOW AREAS OF THE FLOOD PLAIN |
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Latitude: 29.705800° N,
Longitude: 98.122200° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
11 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 0) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
582.8 ft |
593.8 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
N/A |
N/A |
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Hydrologic Resources
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Additional Resources
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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. |
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NWS Information |
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weather.gov 
