Winter Storm Severity Index

These graphics are created by the National Weather Service. The WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings. For more information, please refer to the following links: Product/Service Description Document, WSSI Users Guide, Interactive ESRI Story Map, WSSI Future Work

Click here for an interactive map

Legend

No Impacts
Impacts not expected
Limited Impacts
Rarely a direct threat to life and property. Typically results in little inconveniences.
Minor Impacts
Rarely a direct threat to life and property. Typically results in an inconvenience to daily life.
Moderate Impacts
Often threatening to life and property. Typically results to disruptions to daily life.
Major Impacts
Extensive property damage likely, life saving actions needed. Will likely result in major disruptions to daily life.

Extreme Impacts
Extensive and widespread severe property damage, life saving actions will be needed. Results in extreme disruptions to daily life.

Impact Types

Michael Ehret
  DICKINSON COUNTY
EMERGENCY MANAGEMENT COORDINATOR
Dickinson County Courthouse
1802 Hill Ave, Ste B103
  Spirit Lake, IA 51360
712-336-3987
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