<div class="eI0"> <div class="eI1">Organisation:</div> <div class="eI2">UK MetOffice</div> </div> <div class="eI0"> <div class="eI1">Update:</div> <div class="eI2">several times per day </div> Surface maps (mean sea level pressure analysis = MSLP) based on the UK MetOffices model output, including fronts and troughs. </div>