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1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES
MIXING RATIO BASE BASE BASE BASE BASE
SDNG PTNIL STABILITY OBSERVATION SEEDING OPERATION DECL/CRIT INDICES Light rain in target area YES: POOR -6 -1.0 20.24 SI 1/13 Amphurs A/C. 2 -4.1 18.44 LI 4 FLTS. 36.4 19.99 KI 3,4,6,8,19 CHEM - SWT.I - Rain in target area 7/13 YES: POOR -6 5.6 18.41 SI Amphurs 2 A/C. -1.7 17.63 LI 4 FLTS. 22.3 18.20 KI 3,4,6,8,19 CHEM - SWT.I - No rain observed YES: POOR -3 0.7 20.90 SI A/C. 2 -4.6 19.84 LI 3 FLTS. 37.2 20.97 KI T-1,3,4,6,19 CHEM 196.2 SWT.I - No rain observed YES: POOR -5

SUB CLD 100 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD

CONVECTION 9:55 - CCL 2,990.2 50 MB - 8:34 - CCL 3,010.7 50 MB - 16:00 - CCL 4,369.8 50 MB - 8:39 - CCL 2,725.2 50 MB - 16:00 - CCL 4,156.6 50 MB -

TCT LCL LFC TCT LCL LFC TCT LCL LFC TCT LCL LFC TCT LCL LFC

RH 81.0 76.8 57.1 15.5 78.0 73.6 52.3 77.4 79.5 72.6 74.3 56.9 82.6 59.2 68.7 50.1 88.8 61.2 66.2 6.4

TABLE AVERAGE WIND 92.6 32.6 83.6 95.3 242.7 228.5 35.0 - 159.1 311.4 319.6 305.0 59.2 349.9 246.8 - 142.2 95.1 - -

7.3 LAYER 0-5,000 5,000-10,000 10,000-15,000 20,000-25,000 0-5,000 5,000-10,000 10,000-15,000 20,000-25,000 0-5,000 5,000-10,000 10,000-15,000 20,000-25,000 0-5,000 5,000-10,000 10,000-15,000 20,000-25,000 0-5,000 5,000-10,000 10,000-15,000 20,000-25,000

DATE 16 MAY 1998 17 MAY 1998 18 MAY 1998 19 MAY 1998 20 MAY 1998