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OBSERVATION Rain over mountainous and target area 4/13 Amphurs No rain observed No rain observed No rain observed Rain over mountainous area
(2/6)

SEEDING OPERATION 4 T-1,1,4,19 4 1,6,8 2 T-1,1,3,4,8 4 3,6,8 4 T-1

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

SDNG PTNIL DECL/CRIT POOR -11 PISE POOR -23 POOR -6 POOR -4

- - - - - - - - 4.2 1.6 15.9 - 3.4 0.5 25.8 221.6 3.6 -2.2 23.5 210.8
STABILITY INDICES

SI LI KI SWT.I SI LI KI SWT.I SWT.I SWT.I SWT.I
17.48 SI 16.60 LI 17.47 KI 17.70 SI 17.07 LI 17.80 KI 20.68 SI 20.05 LI 20.67 KI
MIXING RATIO BASE BASE BASE

- - - - - - - - - - -

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

CONVECTION - - - - - - - - 8:58 - CCL 3,268.9 50 MB - 9:33 - CCL 3,545.7 50 MB - 16:00 - CCL 3,247.9 50 MB -

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

- - - - - - - -
RH 80.1 57.3 19.8 20.3 84.9 64.3 49.8 44.0 83.1 75.0 35.1 35.0

AVERAGE
WIND - - - - - - - - 304.8 - - - 289.7 262.7 381.5 248.6 297.3 292.4 274.9 229.0

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 6 MAY 1998 7 MAY 1998 8 MAY 1998 9 MAY 1998 10 MAY 1998