6. CONVAIR-580 IN-CLOUD FLIGHT TEMPERATURES IN KWAJEX/TRMM

Figures 6.1-6.15 show the temperatures at which the Convair-580 flew in clouds. The times given are University Time Coordinated (UTC). Gaps in the plot indicate periods when the aircraft was not in cloud. UW flights 1787, 1790 and 1800 on August 2, 8, and 31, respectively, are not shown because there were no significant cloud penetrations on these flights.

For the purpose of these plots, the aircraft was taken to be in cloud when the FSSP concentration was 2 cm-3. This criteria will miss some thin ice particle clouds, but should encompass about 90% of the actual in-cloud flying. In general, flight tracks in regions of precipitation but without cloud will be excluded by the requirement that the FSSP concentration be 2 cm-3. However, in some cases the splashing of raindrops on the FSSP may produce FSSP counts 2 cm-3.

(Text continued on Section 7.)

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Figure 6.1. In-cloud temperatures for the Convair-580 on July 25, 1999.

Figure 6.2. In-cloud temperatures for the Convair-580 on July 28, 1999.

Figure 6.3. In-cloud temperatures for the Convair-580 on July 30, 1999.

Figure 6.4. In-cloud temperatures for the Convair-580 on August 1, 1999.

Figure 6.5. In-cloud temperatures for the Convair-580 on August 3, 1999.

Figure 6.6. In-cloud temperatures for the Convair-580 on August 6, 1999.

Figure 6.7. In-cloud temperatures for the Convair-580 on August 9, 1999.

Figure 6.8. In-cloud temperatures for the Convair-580 on August 11, 1999.

Figure 6.9. In-cloud temperatures for the Convair-580 on August 23, 1999.

Figure 6.10. In-cloud temperatures for the Convair-580 on August 24, 1999.

Figure 6.11. In-cloud temperatures for the Convair-580 on August 25, 1999.

Figure 6.12. In-cloud temperatures for the Convair-580 on August 26, 1999.

Figure 6.13. In-cloud temperatures for the Convair-580 on August 27, 1999.

Figure 6.14. In-cloud temperatures for the Convair-580 on August 28, 1999.

Figure 6.15. In-cloud temperatures for the Convair-580 on August 30, 1999.

Forward to Section 7.)

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