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Storm Surveying and Reporting. *** IMPORTANT NOTE ABOUT ENHANCED F-SCALE WINDS: The Enhanced F-scale still is a set of wind estimates (not measurements)

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Presentation on theme: "Storm Surveying and Reporting. *** IMPORTANT NOTE ABOUT ENHANCED F-SCALE WINDS: The Enhanced F-scale still is a set of wind estimates (not measurements)"— Presentation transcript:

1 Storm Surveying and Reporting

2 *** IMPORTANT NOTE ABOUT ENHANCED F-SCALE WINDS: The Enhanced F-scale still is a set of wind estimates (not measurements) based on damage. Its uses three-second gusts estimated at the point of damage based on a judgment of 8 levels of damage to the 28 indicators listed below. These estimates vary with height and exposure. Important: The 3 second gust is not the same wind as in standard surface observations. Standard measurements are taken by weather stations in open exposures, using a directly measured, "one minute mile" speed. Tornado Intensity Scale

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4 Livingston Storm EF0 Tornado Survey February 10 th 2013 NWS Meteorologists go out and locate damage path and assess wind speeds, decide if tornado or straight line winds.

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6 small trailer destroyed

7 Tornado Damage Shepherd, Texas February 18 th 2013

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9 EF1 Tornado

10 Doppler RADAR Shepherd, Texas Tornado

11 Poor radar coverage


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