| GCat | Risk Management |
| MCat | Disaster Management |
| SCat | Storm Disasters |
Guidance on preventing property damage from severe storms. Fact sheets on thunderstorms & lightning. Tornado safety. How to prepare for potential thunderstorm disasters.
Find Disaster Management / Storm Disasters in
Hot Topics: Disasters: Natural
Professional Guides: Property Manager, Risk Manager, Safety Director
High Wind Speed Conditions [22898] 
Beaufort Scale for Wind Speed, Saffir-Simpson Hurricane Scale Fujita-Pearson Tornado Scale
Lightning 30-30 Rule [23494]
Use the 30/30 rule to determine when to seek shelter before dangerous lightning approaches
Use the 30/30 rule to determine when to seek shelter before dangerous lightning approaches
Lightning Deaths, Injuries & Damages in the USA - 1890's Compared to 1990's [31498]
Evaluation for the United States from 1891 to 1894 compared with that from 1991 to 1994
Evaluation for the United States from 1891 to 1894 compared with that from 1991 to 1994
Lightning Fatalities, Injuries & Damage Reports in the USA 1959-1994 [31497]
Lightning-related fatality, injury, and damage reports for the United States were summarized for 36 years in this report
Lightning-related fatality, injury, and damage reports for the United States were summarized for 36 years in this report
Lightning Protection Manual ![[pdf]](graphics/file_pdf.gif)
[26101]
Lightning protection, grounding, bonding, shielding, and surge protection requirements (pdf)
[26101] Lightning protection, grounding, bonding, shielding, and surge protection requirements (pdf)
Lightning Protection Systems [22229] Describes common lightning protection systems, certification, installation, and lightning protection system inspection
Lightning Protection: Grounding [26418]
A discussion of what constitutes an effective lightning protection system
A discussion of what constitutes an effective lightning protection system
Lightning Safety [3889]
Large number of articles on safety prevention & the economic impact of lightning strikes
Large number of articles on safety prevention & the economic impact of lightning strikes
Lightning Safety Awareness [23495]
Lightning safety and outdoor activities, the science of thunderstorm development and more
Lightning safety and outdoor activities, the science of thunderstorm development and more
Lightning Safety Factsheet [25936]
Explains the 30-30 rule and provides guidance on protective measures to take when lightning is present
[25936] Explains the 30-30 rule and provides guidance on protective measures to take when lightning is present
National Storm Shelter Association Standards [13800]
Full text of the NSSA industry standard for design and construction of storm shelters
Full text of the NSSA industry standard for design and construction of storm shelters
Outdoor Activities & Lightning [24555]
Lightning safety guidelines during outdoor activities such as sports practices and events
Lightning safety guidelines during outdoor activities such as sports practices and events
Preparing for Severe Storms and Dangerous Weather [1264]
Guidance on preventing property damage from severe storms
Guidance on preventing property damage from severe storms
Preparing Your Home for Severe Windstorms [1265]
Homeowner guidelines to prevent damage from high winds
Homeowner guidelines to prevent damage from high winds
Protect Your Property Against Tornado Damage [11021]
Resource materials to improve building tornado protection
Resource materials to improve building tornado protection
Recommendations To Build a Safe Room Inside Your House [2947]
Guidelines and instructions for building a safe room
Guidelines and instructions for building a safe room
Resume Work Safely Following a Major Storm [35133]
After a storm, businesses should conduct a safety hazard evaluation and assessment
After a storm, businesses should conduct a safety hazard evaluation and assessment
Severe Thunderstorms & Lightning [25364]
The following are general emergency guidelines to help you prevent injuries or fatalities due to severe storms
[25364] The following are general emergency guidelines to help you prevent injuries or fatalities due to severe storms
Storm Spotter Safety [31495] Depending on whether you are spotting from your vehicle or from a fixed location, there are hazards you need to plan for
Tornado Project Online [6596]
Tornado safety, chasing, past tornadoes, personal experiences, FAQ and more
Tornado safety, chasing, past tornadoes, personal experiences, FAQ and more
What is a Severe Thunderstorm [31494]
The definition of a severe thunderstorm - wind speed, hail size
The definition of a severe thunderstorm - wind speed, hail size
What You Should Know: Hurricanes [14374]
What to do before, during and after a hurricane to promote safety
What to do before, during and after a hurricane to promote safety
What You Should Know: Tornadoes [2521]
Prevention guide to promote personal health and safety before, during and after a tornado
Prevention guide to promote personal health and safety before, during and after a tornado
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Agricultural Disasters
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