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7.2 TABLE 1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES
MIXING RATIO BASE BASE BASE BASE BASE
SEEDING SDNG PTNIL STABILITY OBSERVATION OPERATION DECL/CRIT INDICES Light rain over Amphur YES: POOR 0 5.2 19.90 SI Muang "T" A/C. 2 -2.4 19.03 LI 4 FLTS. 31.0 19.84 KI 3,4,6,8,19 CHEM - SWT.I - No rain observed YES: POOR 0 0.4 20.13 SI 2 A/C. -3.2 19.27 LI 4 FLTS. 27.5 19.98 KI 3,4,6,8,19 CHEM - SWT.I - Rain over mountainous and YES: POOR -1 -1.6 18.48 SI target area 3/13 Amphurs A/C. 2 -0.4 18.31 LI 2 FLTS. 31.5 18.41 KI 3,4,6,8,19 CHEM - SWT.I - No rain observed YES: GOOD

SUB CLD 100 MB 50 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD SUB CLD 100 MB CLD

CONVECTION 8:56 - 0.0 - 8:07 - CCL 1,692.3 50 MB - 9:51 - CCL 3,563.5 50 MB - 16:00 - CCL 2,943.7 50 MB - - - CCL 5,598.4 50 MB -

TCT LCL CCL LFC TCT LCL LFC TCT LCL LFC TCT LCL LFC TCT LCL LFC

RH 80.8 68.7 87.9 27.0 90.5 61.3 52.3 26.4 86.0 70.9 57.2 31.5 92.0 85.8 81.5 54.1 80.0 70.0 72.1 61.2

AVERAGE
WIND 97.4 90.1 90.0 - 94.2 77.4 - - 119.6 97.4 101.3 - 87.2 85.0 85.4 - 120.0 110.5 100.3 58.0

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 11 MAY 1998 12 MAY 1998 13 MAY 1998 14 MAY 1998 15 MAY 1998