The Shear Environment (continued)

<BODY text="#000066" link="blue" vlink="purple" alink="red" background="lesson 343.gif"> <A NAME="pgtop"></A> <A HREF="lesson%203c.htm"><Img Src="flconts.gif" ALT="Table of Contents" WIDTH=24 HEIGHT=24></A> <A HREF="lesson%20342.htm"><Img Src="fllarrow.gif" ALT="Previous" WIDTH=24 HEIGHT=24></A> <A HREF="lesson%20344.htm"><Img Src="flrarrow.gif" ALT="Next" WIDTH=24 HEIGHT=24></A> <BR> <TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 WIDTH="100%"><TR> <TD> <TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 WIDTH="100%"> <TR><TD COLSPAN=0 HEIGHT=19><br></TD></TR> <TR> <TD WIDTH=25 HEIGHT=52><br></td> <TD WIDTH=393 HEIGHT=52 align="center" valign="bottom" > <B><FONT face="Arial"><FONT color="#FFFF00"><FONT size="+2">The Shear Environment</B></FONT></FONT></FONT><FONT face="Arial"><FONT color="#FFFF00"><FONT size="+2"> (continued)</FONT></FONT></FONT></TD> <TD COLSPAN=0><SPACER type="horizontal" size=135><br></TD> </TR> </TABLE> </TD> </TR> <TR> <TD> <TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 WIDTH="100%"> <TR><TD COLSPAN=0 HEIGHT=20><br></TD></TR> <TR> <TD WIDTH=21 HEIGHT=224><br></td> <TD WIDTH=397 HEIGHT=224 align="left" valign="top" > <LI><B><FONT face="Arial"><FONT color="#FFFFFF"><FONT size="+0">The first is directional shear (winds at the surface are moving in a different direction than winds at 700 or 600 millibars).<BR> <LI>The second kind is called vertical speed shear (winds increase with altitude).<BR> <LI>Note the wind barbs on the right-hand side, between the surface and 600 millibars, have about 30 degrees of directional shear.<BR> </B></FONT></FONT></FONT></TD> <TD COLSPAN=0><SPACER type="horizontal" size=135><br></TD> </TR> </TABLE> </TD> </TR> <TR><TD COLSPAN=0 HEIGHT=27><br></TD></TR> </TABLE> <HR ALIGN="left" size=5 WIDTH="65%"> <A NAME="pgbot"></A> <BR> <FONT SIZE="-2">Published by <A HREF="http://www.lotus.com">Lotus</A>® <A HREF="http://www.lotus.com/freelance">Freelance Graphics</A>®</FONT> </BODY>