Severe Thunderstorm Profile Options Pane

Risk

100-Year Loss Level

Represents the loss amount likely to be equaled or exceeded 1 % or the time, or in one year out of 100.

If the 100-year loss level is 20-25%, there is a 1 percent chance in any given year that the losses are likely to exceed 20-25% of the total value.

To flag certain conditions, enter low and high loss level percentages.

250-Year Loss Level

Represents the loss amount likely to be equaled or exceeded 0.4 % of the time, or in one year out of 250.

If the 250-year loss is 20-25%, there is a 0.4 percent chance in any given year that the losses are likely to exceed 20-25% of the total value.

To flag certain conditions, enter low and high loss level percentages.

Average Annual Loss

Refers to the loss you can expect to occur per year, on average, over a period of many years.

Significant events will not happen every year; therefore, it is important to note that Average Annual Loss is a long-term expected loss.

To flag certain conditions, enter low and high loss level percentages.

Relative Risk

Relative Risk by County

The ranking of a location's risk score with respect to other locations within the same county, expressed as a percentile.

To flag certain conditions, enter low and high risk score percentages.

Relative Risk by State

The ranking of a location's risk score with respect to other locations within the same state, expressed as a percentile.

To flag certain conditions, enter low and high risk score percentages.

Other Information

Tornado

Include tornadoes for this location which meet the intensity conditions set in flag values.

To flag certain tornado conditions, enable one or more selections in the selection list.

Hail Storm

Include hail storms for this location which meet the intensity conditions set in flag values.

To flag certain hail storm conditions, enable one or more selections in the selection list.

Wind Storm

Include wind storms for this location which meet the intensity conditions set in flag values.

To flag certain wind storm conditions, enable one or more selections in the selection list.

Nearest Historical Tornado

The name, date, time and intensity of the most severe historical tornado that has occurred near a given location.

Nearest Historical Hail Storm

The name, date, time and intensity of the most severe historical hail storm that has occurred near a given location.

Nearest Historical straight-line Wind Storm

The name, date, time and intensity of the most severe historical straight-line wind storm that has occurred near a given location.