AMDAR data: New insights into Santiago’s air pollution problem Ricardo Munoz M. Dep. Geophysics, University of Chile GURME Meeting, Santiago, October 15, 2003

AMDAR: Aircraft Meteorological Data Relay Reports USA-airlines: American, Delta, FedEx, Northwest, United, UPS European airlines: Air France, British A., KLM, Lufthansa, SAS Other airlines: Quantas, Air New Zealand, South African A. Almost-real-time data with restricted access from NOAA’s Forecast Systems Laboratory at: Descriptive Reference: Automated meteorological reports from commercial aircraft. by W.R. Moninger, R.D. Mamrosh, P.M. Pauley Bull. of the American Meteorological Society, Vol. 84, N. 2, pp

P=722 mb P=947 mb (airport) 8 minutes, 15 data, 29 nm P=539 mb 5 minutes, 21 data, 20 nm

Northerly winds aloft Very calm layer inside the valley

Warming at mb: East winds? Induced subsidence? Horizontal gradients?

Almost-real-time data with restricted access from NOAA’s Forecast Systems Laboratory at: Descriptive Reference: Automated meteorological reports from commercial aircraft. by W.R. Moninger, R.D. Mamrosh, P.M. Pauley Bull. of the American Meteorological Society, Vol. 84, N. 2, pp Restrictions: Research No-redistribution No-commercial