View source for Temperature-moisture index



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== temperature&ndash;moisture index ==
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<div class="definition"><div class="short_definition">An index indicating the initiation of [[convective cloud]].</div><br/> <div class="paragraph">This is defined as  <div class="display-formula"><blockquote>[[File:ams2001glos-Te15.gif|link=|center|ams2001glos-Te15]]</blockquote></div> where sfc is the surface [[elevation]] of the [[station]] in m; T850, T700, and T500 are the 850-, 700-,  and 500-hPa temperatures in &#x000b0;C; and PW700 is the [[precipitable water]] in cm between the surface  and the 700-hPa level. The more negative the index, the greater the [[probability]] of [[convective precipitation|convective  precipitation]].</div><br/> </div>
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