Environment Canada's Official Text Forecasts

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Ventilation index forecast

* NOTE: Corrected and/or amended bulletins are listed first *

 
FLCN40 CWEG 230930
EXPERIMENTAL VENTILATION INDEX FORECAST FOR ALBERTA SASKATCHEWAN
MANITOBA NUNAVUT AND NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT
CANADA AT 2:00 AM MST FRIDAY 2007 NOVEMBER 23.

THIS IS AN EXPERIMENTAL PRODUCT WHICH IS COMPUTER GENERATED WITHOUT
HUMAN INTERVENTION OR QUALITY CONTROL. USE VALUES WITH CAUTION.

FORECAST VALUES FOR TODAY AND SATURDAY.

                TODAY               SATURDAY
                MORNING AFTERNOON   MORNING AFTERNOON
EDMONTON        POOR      FAIR      FAIR      FAIR  
CALGARY         POOR      FAIR      FAIR      POOR  
REGINA          GOOD      GOOD      POOR      FAIR  
YORKTON         FAIR      GOOD      POOR      FAIR  
WINNIPEG        POOR      GOOD      GOOD      GOOD  
THE PAS         GOOD      FAIR      GOOD      GOOD  
YELLOWKNIFE     GOOD      FAIR      FAIR      FAIR  
IQALUIT         POOR      POOR      POOR      POOR  

PERFORMANCE MEASUREMENT DURING THE PAST 30 DAYS.
PREVIOUS PERFORMANCE DOES NOT GUARANTEE FUTURE ACCURACY. THESE VALUES
ARE PROVIDED AS AN INDICATOR OF STATISTICAL RELIABILITY.

       Verification for Afternoon Ventilation Index categories 
Forecast(%) Under 2  Under 1  Correct   Over 1   Over 2 
Today           7       30       61        2        0
Next day        5       29       64        2        0

       Verification for Morning Ventilation Index categories 
Forecast(%) Under 2  Under 1  Correct   Over 1   Over 2 
Today           7       32       54        7        0
Next day        5       43       46        5        0
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