Drefal, ON
Active Weather Triggers
Low Risk
Moderate Risk
High Risk
Very High Risk
-
Temperature -17°C -
Pressure 101.2kpa -
Humidity 59% -
Dewpoint -23°C
High
Short Term Risk
Updated: Wed Jan 29 4:46 PMJan 20Wed Evening
Jan 20Wed Overnight
Jan 21Thu Morning
Jan 20Thu Afternoon
Low
Low
Moderate
Low
Low
Moderate
Low
Low
Moderate
High
Low
Moderate
National Flu Activity
Legend:
No Data
No Activity
Sporadic
Localized
Widespread
About the Active Weather Trigger
Active weather triggers are changes in the weather that could augment health complaints. Each active weather trigger is weighted equally. The occurrence of more than one trigger increases the severity of health risk.
Temperature – a decrease of 5 degrees Celsius or more.
Humidity – an increase of 20%.
Pressure – a decrease of 0.7 kPa (kilopascal) or more.
Dewpoint – an increase of 5 degrees Celsius or more.
