WeakGust - Sigma Knowledge base Browser

appearance as argument number 1

(subclass WeakGust WindGust)	Weather.kif 2347-2347	Weak gust is a subclass of wind gust
(documentation WeakGust EnglishLanguage "When the maximum speed exceeds the average speed by 10 to 15 knots (19 to 28 km/ h; 12 to 17 mph), the term WeakGust is used[Wikipedia]")	Weather.kif 2348-2349	Weak gust is a subclass of wind gust

appearance as argument number 2

(termFormat EnglishLanguage WeakGust "weak gust")

antecedent

(=>
    (and
        (instance ?G WeakGust)
        (eventLocated ?G ?R)
        (instance ?R GeographicArea)
        (equal
            (ThreeSecondGustSpeedFn ?R
                (WhenFn ?G))
            (MeasureFn ?TOP MilesPerHour))
        (earlier ?T
            (WhenFn ?G))
        (holdsDuring ?T
            (surfaceWindSpeed ?R
                (MeasureFn ?BASE MilesPerHour)))
        (equal ?DIFF
            (SubtractionFn ?TOP ?BASE)))
    (and
        (greaterThanOrEqualTo ?DIFF 12)
        (lessThanOrEqualTo ?DIFF 17)))

If All of the following hold: (1) X is an instance of weak gust (2) X is located at Y (3) Y is an instance of geographic area (4) equal ThreeSecondSpeedGustFn ending at the time of existence of X in Y and Z miles per hour(s) (5) W happens earlier than the time of existence of X (6) V miles per hour(s) is a surface wind speed of Y holds during W (7) equal U and (Z and V), then U is greater than or equal to 12 and U is less than or equal to 17