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7.5 TABLE 1 DAILY UPPER AIR SOUNDING AND SEEDING ANALYSES

RATIO SDNG PTNIL STABILITY OBSERVATION SEEDING OPERATION DECL/CRIT INDICES Rain over mountainous and YES: POOR -11 1.1 18.07 SI Amphurs 9/13 area target 1 A/C. -2.2 17.20 LI (Super cooled chemicals used) FLTS. 4 30.5 17.79 KI T-1,3,4,6,8,19 CHEM 204.2 SWT.I - Thurnder storm rain over YES: POOR 1 -3.1 19.32 SI mountainous and target area A/C. 2 -3.9 19.08 LI Amphurs 3/13 6 FLTS. 34.2 19.19 KI (Super cooled chemicals used) CHEM T-1,3,4,6,8,19 255.8 SWT.I - Rain over mountainous and YES: POOR 1 -0.7 18.06 SI Amphur

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