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

(6/6) Rain over mountainous and 9/13 area Thurnder storm rain over mountainous and target area Amphurs Rain over mountainous and 1/13 area Thurnder storm rain over mountainous and target area 9/13 Amphurs Thurnder storm rain over mountainous and target area 5/13 Amphurs

SEEDING OPERATION 1 FLTS. 4 T-1,3,4,6,8,19 6 CHEM T-1,3,4,6,8,19 1 FLTS. 4 T-1,3,4,6,8,19 FLTS. 6 CHEM T-1,3,4,6,8,19 FLTS. 5 CHEM T-1,3,4,6,8,19
target 3/13 target

7.5 TABLE 1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES

SDNG PTNIL DECL/CRIT POOR -11 POOR 1 POOR 1 POOR 1 POOR -19
YES: A/C. CHEM YES: A/C. 2 FLTS. YES: A/C. CHEM YES: A/C. 2 YES: A/C. 1

1.1 -2.2 30.5 204.2 -3.1 -3.9 34.2 255.8 -0.7 -5.3 31.8 - 1.5 -3.9 32.8 - 0.2 -3.5 33.6 -
STABILITY INDICES

SWT.I SWT.I SWT.I SWT.I SWT.I
RATIO 18.07 SI 17.20 LI 17.79 KI - 19.32 SI 19.08 LI 19.19 KI - 18.06 SI 17.08 LI 17.68 KI - 19.40 SI 18.17 LI 19.24 KI - 19.54 SI 17.92 LI 19.26 KI -

MIXING SUB CLD BASE SUB CLD BASE SUB CLD BASE SUB CLD BASE SUB CLD BASE

100 MB CLD 100 MB CLD 100 MB CLD 100 MB CLD 100 MB CLD

CONVECTION

9:25 - CCL 3,967.4 50 MB - 16:00 - CCL 3,704.9 50 MB - 7:26 - CCL 2,085.9 50 MB - 9:08 - CCL 2,370.2 50 MB - 9:08 - CCL 4,622.4 50 MB -

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

RH 80.2 74.6 53.4 65.0 88.8 67.3 57.5 73.0 83.6 90.3 80.3 70.0 76.9 72.4 87.7 89.8 80.3 76.6 67.4 81.4

WIND 211.1 211.1 202.8 190.0 246.1 225.0 218.4 - 237.4 208.5 224.0 - 243.9 279.3 325.0 - 205.0 259.8 225.6 -

AVERAGE

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

26 MAY 1998 27 MAY 1998 28 MAY 1998 29 MAY 1998 30 MAY 1998

DATE