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OBSERVATION Light rain over Amphur No rain observed Rain over mountainous and target area 3/13 Amphurs No rain observed No rain observed
(3/6)

Muang "T"

SEEDING OPERATION 4 3,4,6,8,19 4 3,4,6,8,19 2 3,4,6,8,19 5 3,4,6,8,19 4 3,4,6,19

YES: A/C. 2 FLTS. CHEM YES: 2 A/C. FLTS. CHEM YES: A/C. 2 FLTS. CHEM YES: A/C. 2 FLTS. CHEM YES: 2 A/C. FLTS. CHEM
7.2 TABLE 1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES

SDNG PTNIL DECL/CRIT POOR 0 POOR 0 POOR -1 GOOD 8 POOR -12

STABILITY INDICES 5.2 -2.4 31.0 - 0.4 -3.2 27.5 - -1.6 -0.4 31.5 - -1.1 -2.9 38.5 221.6 0.9 -0.5 35.3 218.6

19.90 SI 19.03 LI 19.84 KI SWT.I 20.13 SI 19.27 LI 19.98 KI SWT.I 18.48 SI 18.31 LI 18.41 KI SWT.I 21.86 SI 21.33 LI 21.87 KI SWT.I 18.16 SI 18.09 LI 17.09 KI SWT.I
MIXING RATIO BASE BASE BASE BASE BASE

- - - - -

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