UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for PTYA... Searching the city database file for: PTYA ... Date:0000Z 20 DEC 25 Station: PTYA WMO ident: 91413 Latitude: 9.48 Longitude: 138.08 Elevation: 17.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1007 17 29.6 25.4 78 4.2 26.4 80 9 302.1 306.0 299.4 363.5 20.69 1 1000 89 28.6 23.7 75 4.9 25.0 90 13 301.8 305.2 298.1 357.2 18.76 2 986 215 27.2 22.8 77 4.4 24.0 87 18 301.6 304.9 297.6 354.6 18.00 3 967 387 25.4 22.9 86 2.5 23.6 86 21 301.4 304.8 297.9 355.9 18.48 4 949 553 24.2 21.4 84 2.8 22.2 88 22 301.8 305.0 297.1 352.5 17.15 5 948 562 23.8 22.0 90 1.8 22.5 88 22 301.5 304.8 297.5 354.1 17.83 6 945 590 23.8 20.9 84 2.9 21.8 88 22 301.8 304.9 296.8 351.0 16.69 7 925 777 22.4 19.7 85 2.7 20.5 90 22 302.2 305.1 296.4 348.9 15.81 8 918 843 21.8 19.4 86 2.4 20.1 92 22 302.3 305.1 296.3 348.4 15.63 9 912 900 21.6 18.3 82 3.3 19.3 94 21 302.6 305.3 295.7 346.0 14.67 10 904 977 21.6 16.9 75 4.7 18.4 94 21 303.4 305.9 295.1 343.5 13.52 11 893 1083 20.8 16.0 74 4.8 17.5 92 22 303.6 306.0 294.8 342.0 12.91 12 891 1103 20.8 15.9 74 4.9 17.5 92 22 303.8 306.2 294.8 342.0 12.86 13 888 1132 21.0 14.0 64 7.0 16.4 91 22 304.3 306.4 293.9 338.3 11.39 14 879 1220 20.4 13.4 64 7.0 15.8 90 22 304.6 306.6 293.7 337.6 11.06 15 866 1349 19.4 14.8 75 4.6 16.3 94 22 304.8 307.1 294.7 341.6 12.32 16 863 1379 19.2 14.2 73 5.0 15.8 95 22 304.9 307.1 294.4 340.4 11.88 17 860 1409 19.6 10.6 56 9.0 13.9 97 22 305.7 307.4 292.7 333.8 9.37 18 855 1459 19.2 12.2 64 7.0 14.7 98 22 305.7 307.7 293.6 337.3 10.50 19 851 1500 19.4 9.4 52 10.0 13.1 100 22 306.4 308.0 292.4 332.7 8.73 20 850 1510 19.2 9.2 52 10.0 13.0 100 22 306.3 307.9 292.3 332.3 8.62 21 847 1540 19.2 8.2 49 11.0 12.4 95 22 306.6 308.1 292.0 331.0 8.08 22 831 1704 18.0 10.0 59 8.0 13.0 96 23 307.0 308.7 293.1 335.2 9.32 23 823 1786 17.6 6.6 48 11.0 11.0 97 24 307.4 308.8 291.7 330.1 7.45 24 808 1943 16.4 8.4 59 8.0 11.4 98 25 307.8 309.4 292.7 333.9 8.59 25 805 1975 16.2 11.3 73 4.9 13.0 99 25 307.9 309.8 294.3 339.7 10.51 26 798 2049 15.8 12.3 80 3.5 13.5 99 25 308.2 310.3 294.9 342.6 11.34 27 793 2102 15.6 9.6 67 6.0 11.8 100 26 308.6 310.3 293.7 337.5 9.51 28 789 2145 16.0 5.0 48 11.0 9.6 100 26 309.4 310.7 291.9 330.8 6.95 29 784 2199 16.2 1.2 36 15.0 7.9 101 26 310.2 311.2 290.8 326.8 5.33 30 778 2265 15.8 -0.2 34 16.0 7.2 102 25 310.5 311.4 290.5 325.6 4.85 31 775 2297 15.8 -6.2 21 22.0 5.2 103 25 310.8 311.4 288.9 320.7 3.10 32 769 2363 15.4 -1.6 31 17.0 6.5 104 25 311.1 311.9 290.3 325.0 4.42 33 765 2407 15.8 -11.2 15 27.0 3.9 104 25 312.0 312.4 288.3 318.9 2.12 34 762 2441 16.0 -13.0 12 29.0 3.7 105 25 312.5 312.9 288.3 318.6 1.84 35 758 2486 15.8 -14.2 11 30.0 3.4 106 24 312.8 313.1 288.2 318.3 1.68 36 743 2655 15.0 -17.0 9 32.0 2.4 108 23 313.7 314.0 288.2 318.2 1.36 37 738 2712 14.6 -16.4 10 31.0 2.3 109 23 313.9 314.1 288.3 318.7 1.44 38 731 2792 13.8 -5.2 26 19.0 4.4 110 24 313.9 314.5 290.3 325.2 3.55 39 722 2897 14.0 -20.0 8 34.0 1.4 110 26 315.2 315.4 288.3 318.9 1.08 40 709 3050 13.0 -15.0 13 28.0 1.5 110 28 315.7 316.0 289.2 321.3 1.68 41 706 3085 12.8 -8.2 22 21.0 2.9 110 29 315.9 316.4 290.4 325.4 2.92 42 700 3157 12.4 -13.6 15 26.0 1.5 110 30 316.2 316.6 289.5 322.6 1.91 43 687 3313 11.8 -20.2 9 32.0 0.0 110 31 317.2 317.5 289.0 321.1 1.12 44 682 3374 11.6 -12.4 17 24.0 1.3 110 31 317.7 318.1 290.2 324.9 2.16 45 676 3448 11.4 -27.6 5 39.0 -1.0 109 30 318.3 318.4 288.8 320.3 0.59 46 673 3485 11.2 -22.8 7 34.0 -0.7 109 30 318.4 318.6 289.2 321.6 0.91 47 660 3647 10.0 -22.0 9 32.0 -1.3 107 29 318.9 319.1 289.5 322.3 0.99 48 657 3685 9.6 -9.4 25 19.0 0.9 107 29 318.8 319.4 291.2 328.2 2.85 49 654 3722 9.4 -12.6 20 22.0 -0.0 106 28 319.0 319.5 290.7 326.4 2.22 50 653 3735 9.2 -8.8 27 18.0 0.9 106 28 319.0 319.5 291.4 328.8 3.01 51 651 3760 9.2 -17.8 13 27.0 -1.2 106 28 319.2 319.5 290.0 324.2 1.45 52 650 3773 9.2 -19.8 11 29.0 -1.5 106 28 319.4 319.6 289.8 323.6 1.22 53 647 3811 8.8 -11.2 23 20.0 0.0 105 28 319.3 319.8 291.0 327.7 2.51 54 500 5890 -3.9 -26.9 15 23.0 -10.6 100 21 328.3 328.5 292.1 331.3 0.84 55 400 7620 -14.1 -23.1 46 9.0 -16.9 115 14 336.7 337.0 294.8 342.1 1.49 56 300 9740 -29.1 -52.1 9 23.0 -31.3 110 6 344.4 344.4 295.4 344.8 0.10 57 250 11010 -39.1 -58.1 12 19.0 -40.2 120 10 347.9 347.9 296.3 348.2 0.06 58 200 12500 -51.7 -67.7 13 16.0 -52.1 95 9 350.9 350.9 296.8 351.0 0.02 59 150 14300 -67.9 -73.9 42 6.0 -67.9 85 23 353.1 353.1 297.3 353.2 0.01 60 100 16620 -83.3 -90.3 28 7.0 -83.3 140 10 366.8 366.8 300.0 366.8 0.00 61 98 16733 -82.5 -89.5 29 7.0 -82.5 148 10 370.5 370.5 300.7 370.5 0.00 62 83 17648 -87.9 -92.4 43 4.5 -87.9 65 19 377.5 377.5 301.8 377.5 0.00 63 80 17849 -86.1 -92.1 33 6.0 -86.1 52 15 385.2 385.2 303.1 385.2 0.00 64 78 17989 -83.3 -90.3 28 7.0 -83.3 69 19 393.8 393.8 304.3 393.8 0.00 65 75 18207 -83.1 -90.1 29 7.0 -83.1 168 15 398.7 398.7 305.0 398.7 0.00 66 70 18590 -84.5 -90.5 34 6.0 -84.5 115 21 403.6 403.6 305.7 403.6 0.00 67 64 19090 -80.9 -88.9 25 8.0 -80.9 115 27 422.0 422.0 307.9 422.0 0.00 68 61 19366 -73.7 -87.7 10 14.0 -73.7 123 22 443.8 443.8 310.3 443.9 0.00 69 59 19560 -74.1 -90.1 7 16.0 -74.2 114 15 447.2 447.2 310.6 447.2 0.00 70 55 19971 -73.1 -89.1 7 16.0 -73.2 83 17 458.6 458.6 311.7 458.6 0.00 71 51 20420 -67.1 -90.1 2 23.0 -67.3 89 19 482.6 482.6 313.7 482.6 0.00 72 50 20540 -66.7 -89.7 3 23.0 -67.0 70 28 486.3 486.3 314.0 486.3 0.00 73 47 20917 -65.7 -89.7 2 24.0 -66.0 78 28 497.4 497.4 314.8 497.4 0.00 74 44 21316 -68.3 -90.3 3 22.0 -68.5 94 36 500.5 500.5 315.0 500.5 0.00 75 40 21890 -68.1 -91.1 2 23.0 -68.4 81 41 514.8 514.8 315.9 514.8 0.00 76 32 23265 -58.7 -87.7 1 29.0 -59.7 93 36 573.9 573.9 319.3 574.0 0.01 77 30 23670 -60.5 -87.5 2 27.0 -61.4 85 31 579.7 579.7 319.6 579.7 0.01 78 29 23881 -60.9 -87.9 2 27.0 -61.7 83 30 584.3 584.3 319.9 584.3 0.01 79 26 24568 -55.1 -86.1 1 31.0 -56.9 78 30 619.3 619.3 321.5 619.3 0.01 80 25 24819 -54.5 -84.5 1 30.0 -56.4 76 33 628.0 628.0 321.8 628.1 0.01 81 24 25080 -55.5 -85.5 1 30.0 -57.3 78 35 632.4 632.4 322.0 632.5 0.01 82 24 25080 -53.5 -84.5 1 31.0 -55.7 78 35 638.2 638.3 322.2 638.3 0.01 83 21 25937 -54.3 -84.3 1 30.0 -56.6 86 37 660.7 660.7 323.1 660.8 0.02 84 20 26250 -53.5 -84.5 1 31.0 -56.1 95 41 672.4 672.4 323.5 672.5 0.02 85 18 26932 -50.9 -82.9 1 32.0 -54.4 97 37 701.2 701.2 324.5 701.4 0.02 86 17 27303 -51.5 -83.5 1 32.0 -54.9 98 33 710.8 710.8 324.8 711.0 0.02 87 16 27700 -48.5 -82.5 1 34.0 -53.1 100 27 733.0 733.1 325.4 733.3 0.03 88 14 28575 -50.3 -83.3 1 33.0 -54.6 101 14 755.5 755.5 326.1 755.7 0.03 89 12 29583 -49.3 -82.3 1 33.0 -54.5 246 7 793.1 793.1 327.1 793.4 0.04 90 11 30150 -52.1 -84.1 1 32.0 -56.5 224 10 802.9 802.9 327.3 803.2 0.03 91 10 30770 -49.9 -82.9 1 33.0 -55.4 250 16 833.3 833.3 328.0 833.7 0.04 92 9.1 31390 -47.5 -82.5 1 35.0 -54.4 865.3 865.3 328.7 865.7 0.05 93 8.8 31613 -43.7 -80.7 1 37.0 -52.6 888.3 888.3 329.2 889.0 0.07 94 8.7 31690 -43.7 -79.7 1 36.0 -52.6 891.2 891.3 329.2 892.1 0.08 TRP 83 17648 -87.9 -92.4 43 4.5 -87.9 65 19 377.5 377.5 301.8 377.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 545.14 mb = 5251.67 m = 17229.69 ft Wetbulb zero: 678.72 mb = 3414.52 m = 11202.36 ft Precipitable water: 1.46 inches Sfc-500 mean rel hum: 36.28 % Est. max temperature: 33.17 C = 91.71 F Sfc-Lift cond lev (LCL): 948.18 mb = 560.05 m = 1837.43 ft T: 23.87 C 700-500 lapse rate: 5.96 C/km ThetaE index: 12.11 C Layer 945.0- 891.0 mb Conv cond level (CCL): 876.77 mb = 1242.26 m = 4075.62 ft Mean mixing ratio: 17.25 g/kg Conv temperature: 32.09 C = 89.76 F Cap Strength: 1.51 C Lifted Index: -1.93 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.23 C Lifted Index @700 mb: 1.07 C Showalter Index: 6.28 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 13.10 C K Index: 6.30 Risk: None Sweat Index: 175.40 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 611.97 J/kg Max Up Vert Vel: 34.98 m/s Conv Inhibition (B-): 23.02 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 912.47 mb = 895.78 m = 2938.89 ft Lev Free Conv (LFC): 807.47 mb = 1948.85 m = 6393.77 ft Equ Level (EL): 787.47 mb = 2161.81 m = 7092.45 ft B at Equ Level: 5.27 J/kg Max Parcel Lev (MPL): 767.47 mb = 2380.16 m = 7808.83 ft Wind level data Storm motion: 129 at 18 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1007 17 80 9 -8.9 -1.6 | 339 13 4.8 -12.5 1 1000 89 90 13 -13.0 0.0 | 356 11 0.7 -11.0 2 976 305 85 21 -20.9 -1.8 | 29 15 -7.2 -12.8 3 925 777 90 22 -22.0 0.0 | 37 14 -8.3 -11.0 4 910 914 95 21 -20.9 1.8 | 38 12 -7.2 -9.1 5 879 1219 90 22 -22.0 0.0 | 37 14 -8.3 -11.0 6 850 1510 100 22 -21.7 3.8 | 48 11 -8.0 -7.2 7 849 1524 95 22 -21.9 1.9 | 42 12 -8.2 -9.1 8 790 2134 100 26 -25.6 4.5 | 62 14 -11.9 -6.5 9 735 2743 110 23 -21.6 7.9 | 69 8 -7.9 -3.1 10 700 3157 110 30 -28.2 10.3 | 87 15 -14.5 -0.7 11 683 3353 110 31 -29.1 10.6 | 89 15 -15.4 -0.4 12 611 4267 100 24 -23.6 4.2 | 56 12 -9.9 -6.8 13 566 4877 85 21 -20.9 -1.8 | 29 15 -7.2 -12.8 14 500 5890 100 21 -20.7 3.6 | 44 10 -7.0 -7.3 15 450 6706 110 18 -16.9 6.2 | 34 6 -3.2 -4.8 16 433 7010 140 14 -9.0 10.7 | 273 5 4.7 -0.3 17 416 7315 125 14 -11.5 8.0 | 323 4 2.2 -2.9 18 400 7620 115 14 -12.7 5.9 | 349 5 1.0 -5.1 19 400 7620 115 14 -12.7 5.9 | 349 5 1.0 -5.1 20 368 8230 130 12 -9.2 7.7 | 306 6 4.5 -3.3 21 300 9740 110 6 -5.6 2.1 | 318 12 8.1 -8.9 22 299 9754 85 2 -2.0 -0.2 | 314 16 11.7 -11.1 23 274 10363 85 12 -12.0 -1.0 | 352 12 1.8 -12.0 24 263 10668 125 11 -9.0 6.3 | 315 7 4.7 -4.7 25 251 10973 135 12 -8.5 8.5 | 296 6 5.2 -2.5 26 250 11010 120 10 -8.7 5.0 | 320 8 5.0 -6.0 27 200 12500 95 9 -9.0 0.8 | 335 11 4.7 -10.2 28 182 13106 80 13 -12.8 -2.3 | 356 13 0.9 -13.2 29 165 13716 90 19 -19.0 0.0 | 26 12 -5.3 -11.0 30 157 14021 75 23 -22.2 -6.0 | 27 19 -8.5 -16.9 31 150 14300 85 23 -22.9 -2.0 | 35 16 -9.2 -13.0 32 149 14326 85 23 -22.9 -2.0 | 35 16 -9.2 -13.0 33 114 15850 85 21 -20.9 -1.8 | 29 15 -7.2 -12.8 34 103 16459 100 13 -12.8 2.3 | 354 9 0.9 -8.7 35 100 16620 140 10 -6.4 7.7 | 294 8 7.3 -3.3 36 97 16764 150 10 -5.0 8.7 | 285 9 8.7 -2.3 37 87 17374 310 1 0.8 -0.6 | 309 19 14.5 -11.6 38 83 17648 65 19 -17.2 -8.0 | 10 19 -3.5 -19.0 39 83 17678 35 10 -5.7 -8.2 | 337 21 8.0 -19.2 40 78 17983 65 19 -17.2 -8.0 | 10 19 -3.5 -19.0 41 74 18288 205 13 5.5 11.8 | 268 19 19.2 0.8 42 70 18590 115 21 -19.0 8.9 | 68 6 -5.3 -2.1 43 70 18593 125 10 -8.2 5.7 | 314 8 5.5 -5.2 44 66 18898 105 17 -16.4 4.4 | 22 7 -2.7 -6.6 45 63 19202 120 32 -27.7 16.0 | 110 15 -14.0 5.0 46 60 19507 125 15 -12.3 8.6 | 329 3 1.4 -2.4 47 57 19812 80 16 -15.8 -2.8 | 8 14 -2.1 -13.8 48 51 20422 90 19 -19.0 0.0 | 26 12 -5.3 -11.0 49 50 20540 70 28 -26.3 -9.6 | 32 24 -12.6 -20.6 50 49 20726 70 24 -22.6 -8.2 | 25 21 -8.8 -19.2 51 44 21336 95 36 -35.9 3.1 | 71 24 -22.2 -7.8 52 40 21946 80 41 -40.4 -7.1 | 56 32 -26.7 -18.1 53 36 22555 90 35 -35.0 0.0 | 63 24 -21.3 -11.0 54 34 22860 80 35 -34.5 -6.1 | 51 27 -20.8 -17.1 55 33 23165 95 37 -36.9 3.2 | 71 24 -23.2 -7.8 56 30 23670 85 31 -30.9 -2.7 | 51 22 -17.2 -13.7 57 27 24384 80 28 -27.6 -4.9 | 41 21 -13.9 -15.8 58 24 24994 75 35 -33.8 -9.1 | 45 28 -20.1 -20.0 59 22 25603 95 35 -34.9 3.1 | 69 23 -21.2 -7.9 60 21 25908 85 37 -36.9 -3.2 | 58 27 -23.2 -14.2 61 20 26250 95 41 -40.8 3.6 | 75 28 -27.1 -7.4 62 19 26518 95 43 -42.8 3.7 | 76 30 -29.1 -7.2 63 16 27737 100 27 -26.6 4.7 | 64 14 -12.9 -6.3 64 15 28042 140 23 -14.8 17.6 | 171 7 -1.1 6.6 65 15 28346 135 15 -10.6 10.6 | 277 3 3.1 -0.4 66 14 28651 90 14 -14.0 0.0 | 2 11 -0.3 -11.0 67 13 28956 85 17 -16.9 -1.5 | 15 13 -3.2 -12.5 68 13 29261 115 13 -11.8 5.5 | 341 6 1.9 -5.5 69 12 29566 245 7 6.3 3.0 | 292 22 20.0 -8.0 70 11 29870 270 10 10.0 -0.0 | 295 26 23.7 -11.0 71 11 30175 220 10 6.4 7.7 | 279 20 20.1 -3.3 72 10 30770 250 16 15.0 5.5 | 281 29 28.7 -5.5 Wind Parameters Mean winds (0-6000m): 98.7 at 23.4 knts Storm direction: 128.7 at 17.6 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 72.6 neg: -0.9 tot: 71.7 m^2/s^2 ave: 23.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.8 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 96.57 Bulk Shear: 6.34 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 86 18 20 13| 12.9 0.0 12.9| 38.4 0.0 38.4 76.9 0.88| 13.8 12.1 1000 89 20 28 13| 6.6 0.0 6.6| 43.2 -0.2 43.0 43.0 0.75| 8.9 6.7 1500 91 21 32 13| 4.7 0.0 4.7| 49.0 -0.9 48.1 32.1 0.68| 7.4 5.0 2000 92 21 37 13| 4.4 0.0 4.4| 58.8 -0.9 57.9 28.9 0.69| 6.5 4.5 2500 95 22 42 12| 3.4 0.0 3.4| 64.6 -0.9 63.7 25.5 0.65| 6.1 4.0 3000 97 23 47 12| 3.5 0.0 3.5| 72.6 -0.9 71.7 23.9 0.62| 6.1 3.8 4000 101 24 57 12| 2.6 0.5 3.1| 77.3 -21.3 56.0 14.0 0.40| 5.8 2.3 5000 99 24 55 12| 2.1 1.2 3.3| 78.5 -49.1 29.4 5.9 0.19| 5.6 1.0 6000 99 23 52 12| 2.0 1.0 3.0| 86.8 -49.3 37.5 6.2 0.21| 5.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//PTYA/skewt/PTYA.skewt.20251220.00.gif