A Probability Factor for Thunderstorm Warnings

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  • 1 Agricultural & Mechanical College of Texas
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An objective method is suggested which will enable forecasters to determine a direct probability-of-occurrence factor to be included with thunderstorm warnings. The method is based on radar observations and employs a simple grid overlay. The fractional area of the radar scope covered or traversed by thunderstorm echoes is used to determine the probability factor.

1 This is a contribution from the Dept. of Oceanog. and Meteor., Oceanog. and Meteor. Series No. 152.

An objective method is suggested which will enable forecasters to determine a direct probability-of-occurrence factor to be included with thunderstorm warnings. The method is based on radar observations and employs a simple grid overlay. The fractional area of the radar scope covered or traversed by thunderstorm echoes is used to determine the probability factor.

1 This is a contribution from the Dept. of Oceanog. and Meteor., Oceanog. and Meteor. Series No. 152.

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