Figure 1. Flux tower near La Estrella, Rosario, Sonora.

Figure 2. Tethered balloon in Tesopaco.

Figure 3. Proteccion Civil of Sonora was instrumental in planning the flux tower installation.

Figure 4. Searching for the ideal place to install the tower. Proteccion Civil comes again to the rescue.

Figure 5. A view of Southern Sonora as seen from the helicopter.

Figure 6. Elias Lopez, observer in Tesopaco.

Figure 7. Raingauge network deployment.

Figure 8. Jose Manuel Galvez and Miriam Meraz typing data, IOP 1.

Figure 9. Chris Watts, Carlos Arias and Mike Douglas planning raingage deployment in Quiriego with local authorities.

Figure 10. Members of the Rodriguez Clark family, who made the IOP's possible by hosting us and letting us use their home as the ops center.

Figure 11. Sand storm and first rain of the season, IOP1, june 5, 2004.

Figure 12. Pulling down the tethered balloon manually due to an electric power outage.

Figure 13. Yusif Nava, Boris Hernandez and Mike Douglas, IOP 4.

Figure 14. Vegetation quickly leafed out after the first rains, IOP 3.

Figure 15. Jose Manuel Galvez, IOP 1.

Figure 16. Tethered balloon, IOP 4.

Figure 17. Thunderstorm during IOP 3.

Figure 18. Boris Hernandez, John Mejia, Christine Brown, Jose Manuel Galvez and Yusif Nava in Tesopaco.

Figure 19. Floodings in Tesopaco due to heavy rains on July 22-23.

Figure 20. Christine Brown, IOP 3.

Figure 21. Flux tower in La Estrella, Rosario, Sonora.

Figure 22. Rodríguez Clark family members.

Figure 23. Raingauge network talks.

Figure 24. Tesopaco from above.