Pressure Has Grammar
A coded field of isobars, fronts, and station figures printed with the restraint of a working forecast desk.
modemanual surface plot
groundblue-grey met paper
inkblack / cold / warm / occluded
interval004 hPa isobar step
rhythm032 px graticule
Measured notation replaces ornament.
North Basin Surface Prognosis
analysis 06z / sequence 18