http://www.usairnet.com/weather/maps/curre...etric-pressure/ http://www.usairnet.com/weather/maps/curre...etric-pressure/ www.usairnet.com www.usairnet.com www.usairnet.com www.usairnet.com http://www.usairnet.com/weather/maps/curre...etric-pressure/ Barometric Pressure Map for the United States Pressure Map (USA)