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OBSERVATION (Super cooled chemicals used) (Super cooled chemicals used)

(5/6) Rain over mountainous and target area 5/13 Amphurs (Super cooled used) Rain over mountainous and target area 5/13 Amphurs (Super cooled used) Thurnder storm rain over mountainous and target area Amphurs Rain over mountainous and target area 1/13 Amphurs Thurnder storm rain over mountainous and target area Amphurs

SEEDING OPERATION FLTS. 4 1,3,4,6,19 FLTS. 4 T-1,3,4,19 4 T-1,3,4,6,8,19 FLTS. 4 T-1,3,4,6,8,19 4 CHEM T-1,3,4,6,8,19
chemicals chemicals 13/13 10/13

7.4 TABLE 1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES

SDNG PTNIL DECL/CRIT POOR -16 POOR 0 POOR 0 POOR -23 POOR 0
YES: A/C. 1 CHEM YES: A/C. 1 CHEM YES: A/C. 1 FLTS. CHEM YES: A/C. 1 CHEM YES: A/C. 1 FLTS.

STABILITY INDICES -1.0 -4.1 36.4 - -3.5 -4.7 38.0 243.6 -1.7 -1.5 39.1 - 2.4 -0.6 35.4 - 0.9 -1.2 33.6 220.0

20.24 SI 18.44 LI 19.99 KI SWT.I 20.70 SI 19.84 LI 20.69 KI SWT.I 16.12 SI 15.83 LI 15.73 KI SWT.I 16.70 SI 15.49 LI 16.24 KI SWT.I 17.66 SI 16.66 LI 17.35 KI SWT.I
MIXING RATIO BASE BASE BASE BASE BASE

- - - - -

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 - - CCL 5,397.3 50 MB - 9:30 - CCL 3,027.3 50 MB - 9:51 - CCL 4,933.1 50 MB - - - CCL 6,323.2 50 MB - 13:24 - CCL 3,616.3 50 MB -

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

RH 87.4 82.4 70.0 7.0 88.9 74.9 64.2 60.5 83.6 90.3 80.3 70.0 76.9 72.4 87.7 89.8 86.1 71.2 69.0 55.0

AVERAGE
WIND 233.4 209.4 - - 158.4 144.6 213.4 155.0 237.4 208.5 224.0 - 243.9 279.3 325.0 - 196.2 215.1 210.1 195.0

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 21 MAY 1998 22 MAY 1998 23 MAY 1998 24 MAY 1998 25 MAY 1998