Related Experiment Video
Updated: Aug 12, 2026

06:27
Simulating Impacts of Ice Storms on Forest Ecosystems
Published on: June 30, 2020
Dealing with the continuing challenges of natural disasters
Summary
Tropical Storm Allison caused significant damage to Houston hospitals, leading to service reductions and patient evacuations. Investigations found patient deaths were due to critical illnesses, not storm flooding.
Area of Science:
- Environmental Science
- Public Health
- Disaster Management
Background:
- Tropical Storm Allison impacted the Texas and Louisiana coasts in June 2000.
- The storm caused widespread flooding and an estimated $2 billion in property damage in Houston.
- Twelve hospitals within the Texas Medical Center experienced flooding and service disruptions.
Purpose of the Study:
- To assess the impact of Tropical Storm Allison on hospital operations in the Texas Medical Center.
- To investigate the causes of patient deaths during the storm within medical facilities.
Main Methods:
- Review of hospital operational data during and after the storm.
- Analysis of patient outcomes and mortality records.
- Evaluation of damage assessments and incident reports from affected institutions.
Main Results:
- All 12 affected hospitals experienced flooding, with varying degrees of service reduction.
- Two hospitals evacuated patients and ceased operations due to power loss.
- Sixteen patient deaths occurred; a Joint Commission on Accreditation of Healthcare Organizations (JCAHO) team attributed these to critical illness, not flooding.
Conclusions:
- The Texas Medical Center experienced significant operational challenges due to Tropical Storm Allison.
- Hospital infrastructure vulnerabilities to extreme weather events were highlighted.
- Patient safety protocols and emergency preparedness require continuous evaluation in disaster scenarios.
Related Concept Videos
Threats to Biodiversity
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
Sustainable Development
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
Responses to Drought and Flooding
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
Ecological Disturbance
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.Ecological disturbances can be caused by an event as small as the trampling of underbrush to an incident as wide-ranging as a forest...
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
Applications of GIS: Disaster Management and Emergency Response
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...

