Pressure system minima in the pressure field. The minima are called low-pressure areas, and the maxima are called high-pressure areas. A "High" is often shown as H, and a "low" is shown as L. Elongated areas of low pressure, or troughs, are sometimes plotted as thick, brown dashed lines down the trough axis. Isobars are commonly used to place surface boundaries from the horse latitudes poleward, while streamline analyses are used in the tropics. A streamline analysis is a series of arrows oriented parallel to wind, showing wind motion within a certain geographic area. Cs depict cyclonic flow or likely areas of
High Pressure Low High Pressure Low "High Pressure Low" is the third single from Against Me!'s fifth studio album "White Crosses", released as a 7" vinyl single on December 21, 2010 on Sabot Productions. Following the recording their fifth studio album, White Crosses, Against Me! recorded acoustic versions of songs written for the album in February 2010. An acoustic version of "High Pressure Low" was known to be recorded following lead singer Laura Jane Grace's video posts regarding the acoustic sessions. Grace performed the b-side, "Strip Mall Parking Lots" as early as her 2008 solo tour, then thought to be called "Southwest Florida