UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for PTYA... Searching the city database file for: PTYA ... Date:1200Z 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 1008 17 28.0 25.8 88 2.2 26.4 70 8 300.5 304.3 299.2 362.8 21.18 1 1005 46 27.8 24.0 80 3.8 25.0 76 9 300.5 304.0 298.0 356.4 19.02 2 1000 94 27.8 23.7 78 4.1 24.8 85 11 301.0 304.4 298.0 356.2 18.76 3 997 121 28.0 23.5 77 4.5 24.7 84 12 301.4 304.8 298.0 356.2 18.59 4 936 679 23.0 22.1 95 0.9 22.3 82 21 301.8 305.1 297.8 355.5 18.18 5 925 782 22.6 20.2 86 2.4 20.9 85 20 302.4 305.4 296.8 350.7 16.32 6 924 791 22.4 19.9 86 2.5 20.6 85 20 302.3 305.3 296.5 349.7 16.03 7 910 925 21.6 19.1 86 2.5 19.8 85 19 302.8 305.7 296.3 348.6 15.47 8 904 982 21.2 18.7 86 2.5 19.5 86 19 303.0 305.8 296.2 348.0 15.18 9 887 1147 20.0 18.5 91 1.5 18.9 87 19 303.4 306.2 296.4 348.7 15.28 10 878 1236 19.6 16.7 83 2.9 17.6 88 18 303.8 306.4 295.4 344.7 13.75 11 877 1246 19.4 16.2 82 3.2 17.2 88 18 303.7 306.2 295.1 343.3 13.33 12 854 1475 17.4 17.3 99 0.1 17.4 90 18 304.0 306.7 296.1 347.7 14.71 13 850 1515 17.4 17.2 99 0.2 17.2 90 18 304.4 307.1 296.2 348.1 14.68 14 844 1576 17.2 16.9 98 0.3 17.0 97 17 304.8 307.5 296.2 348.1 14.50 15 837 1647 16.8 14.5 86 2.3 15.3 100 17 305.1 307.4 294.9 342.5 12.50 16 833 1688 16.8 13.9 83 2.9 14.9 102 17 305.5 307.8 294.7 341.7 12.07 17 825 1770 17.6 4.6 42 13.0 10.1 105 17 307.2 308.4 290.8 326.9 6.45 18 823 1791 17.4 4.4 42 13.0 9.9 106 17 307.2 308.4 290.7 326.7 6.38 19 821 1812 17.2 6.2 48 11.0 10.7 107 17 307.2 308.6 291.5 329.3 7.26 20 820 1822 17.0 10.0 63 7.0 12.6 107 17 307.1 308.9 293.2 335.7 9.44 21 817 1853 16.6 12.7 78 3.9 14.0 108 17 307.0 309.1 294.6 341.3 11.37 22 807 1958 16.8 10.8 68 6.0 13.0 113 17 308.3 310.2 294.1 339.0 10.13 23 803 2001 16.6 9.6 63 7.0 12.2 114 17 308.5 310.3 293.6 337.1 9.39 24 791 2129 15.8 11.9 78 3.9 13.3 120 17 309.0 311.1 295.0 342.8 11.14 25 787 2172 15.6 11.4 76 4.2 12.9 121 17 309.2 311.3 294.8 342.2 10.83 26 782 2226 15.6 9.6 67 6.0 11.8 123 18 309.8 311.6 294.1 339.3 9.64 27 780 2248 15.6 6.6 55 9.0 10.2 124 18 310.0 311.5 292.9 334.2 7.86 28 778 2270 15.6 7.6 59 8.0 10.7 124 18 310.2 311.8 293.4 336.2 8.45 29 773 2324 15.6 4.6 48 11.0 9.2 126 18 310.8 312.1 292.3 332.1 6.89 30 771 2346 15.4 6.4 55 9.0 10.0 127 18 310.8 312.3 293.0 335.0 7.84 31 762 2446 15.0 3.0 44 12.0 8.2 130 19 311.4 312.6 291.9 330.8 6.24 32 752 2558 14.2 5.2 55 9.0 8.9 130 19 311.8 313.2 293.0 334.7 7.39 33 746 2626 14.0 4.0 51 10.0 8.2 130 20 312.3 313.6 292.7 333.6 6.85 34 744 2648 13.6 6.6 63 7.0 9.3 130 20 312.1 313.6 293.7 337.6 8.25 35 739 2705 13.0 6.0 62 7.0 8.8 130 20 312.0 313.5 293.5 336.7 7.96 36 735 2751 12.6 4.6 58 8.0 7.9 130 20 312.1 313.4 292.9 334.6 7.25 37 733 2774 12.8 1.8 47 11.0 6.6 130 20 312.5 313.6 292.0 331.1 5.95 38 728 2831 13.2 -5.8 26 19.0 3.9 130 20 313.6 314.2 290.1 324.5 3.40 39 726 2854 12.8 -1.2 38 14.0 5.4 130 20 313.4 314.3 291.3 328.6 4.83 40 722 2901 13.0 -5.0 28 18.0 4.1 130 21 314.1 314.8 290.5 325.8 3.65 41 720 2924 12.6 -3.4 33 16.0 4.5 130 21 313.9 314.7 290.9 327.1 4.13 42 718 2947 12.4 2.4 50 10.0 6.7 130 21 313.9 315.1 292.7 333.9 6.35 43 711 3030 11.4 3.4 58 8.0 6.8 130 21 313.7 315.0 293.1 335.3 6.89 44 700 3160 11.0 -2.0 40 13.0 4.2 115 21 314.7 315.6 291.6 329.7 4.72 45 699 3172 11.0 -2.0 40 13.0 4.2 115 21 314.8 315.7 291.7 329.8 4.73 46 694 3232 11.4 -11.6 19 23.0 1.4 112 21 315.9 316.3 289.8 323.3 2.27 47 692 3256 11.4 -12.6 17 24.0 1.2 111 21 316.1 316.5 289.7 323.1 2.10 48 690 3280 11.4 -12.6 17 24.0 1.1 110 21 316.4 316.8 289.8 323.4 2.10 49 685 3340 10.6 -6.4 30 17.0 2.4 108 20 316.2 316.8 291.0 327.4 3.46 50 682 3377 10.0 -2.0 43 12.0 3.7 107 20 315.9 316.8 292.1 331.4 4.84 51 675 3462 9.2 -1.8 46 11.0 3.4 103 20 315.9 316.9 292.2 331.8 4.97 52 673 3487 9.0 -4.0 40 13.0 2.5 102 20 316.0 316.8 291.6 329.5 4.23 53 669 3536 9.2 -11.8 21 21.0 0.2 100 20 316.7 317.2 290.1 324.4 2.31 54 500 5890 -3.7 -40.7 4 37.0 -11.5 105 29 328.5 328.6 291.5 329.4 0.22 55 400 7610 -14.5 -24.5 42 10.0 -17.4 70 16 336.1 336.4 294.6 340.9 1.31 56 300 9740 -28.3 -43.3 22 15.0 -30.3 120 9 345.5 345.6 295.9 346.6 0.28 57 250 11010 -38.9 -55.9 15 17.0 -39.9 100 2 348.2 348.2 296.3 348.6 0.08 58 200 12500 -51.7 -54.8 69 3.1 -51.8 165 8 350.9 350.9 296.9 351.4 0.11 59 150 14300 -67.3 -72.1 50 4.8 -67.4 150 2 354.2 354.2 297.5 354.2 0.02 60 100 16640 -82.5 -89.5 29 7.0 -82.5 145 23 368.3 368.3 300.2 368.3 0.00 61 94 16983 -85.3 -91.3 33 6.0 -85.3 149 18 369.4 369.4 300.5 369.4 0.00 62 82 17729 -88.9 -93.6 41 4.7 -88.9 79 12 376.8 376.8 301.7 376.8 0.00 63 81 17795 -89.1 -94.1 38 5.0 -89.1 85 15 377.7 377.7 301.9 377.7 0.00 64 79 17931 -85.7 -92.7 27 7.0 -85.7 96 22 387.4 387.4 303.4 387.4 0.00 65 70 18600 -83.5 -90.5 28 7.0 -83.5 195 10 405.7 405.7 306.0 405.8 0.00 66 67 18844 -81.7 -88.7 29 7.0 -81.7 191 11 414.8 414.8 307.1 414.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 548.47 mb = 5214.89 m = 17109.00 ft Wetbulb zero: 666.18 mb = 3570.37 m = 11713.68 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 45.10 % Est. max temperature: 31.47 C = 88.65 F Sfc-Lift cond lev (LCL): 976.89 mb = 300.77 m = 986.78 ft T: 26.39 C 700-500 lapse rate: 5.38 C/km ThetaE index: 21.42 C Layer 844.0- 821.0 mb Conv cond level (CCL): 905.69 mb = 966.15 m = 3169.76 ft Mean mixing ratio: 17.87 g/kg Conv temperature: 30.47 C = 86.84 F Cap Strength: 0.63 C Lifted Index: -2.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.30 C Lifted Index @700 mb: -0.80 C Showalter Index: -0.09 C Risk: Thunderstorms probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 20.90 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 271.40 Risk: None Energy Index: -3.53 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 967.19 J/kg Max Up Vert Vel: 43.98 m/s Conv Inhibition (B-): 4.54 J/kg Cap Strength: 0.65 C Lift Cond Lev (LCL): 921.50 mb = 815.09 m = 2674.14 ft Lev Free Conv (LFC): 896.50 mb = 1054.76 m = 3460.45 ft Equ Level (EL): 766.50 mb = 2396.01 m = 7860.84 ft B at Equ Level: 32.44 J/kg Max Parcel Lev (MPL): 76.50 mb = 18108.82 m = 59411.43 ft Wind level data Storm motion: 131 at 16 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 1008 17 70 8 -7.5 -2.7 | 341 14 4.6 -13.4 1 1000 94 85 11 -11.0 -1.0 | 354 12 1.2 -11.7 2 976 305 75 18 -17.4 -4.7 | 19 16 -5.2 -15.4 3 943 610 80 21 -20.7 -3.6 | 31 17 -8.5 -14.3 4 925 782 85 20 -19.9 -1.7 | 32 15 -7.8 -12.4 5 911 914 85 19 -18.9 -1.7 | 29 14 -6.8 -12.3 6 850 1515 90 18 -18.0 0.0 | 29 12 -5.8 -10.7 7 849 1524 95 17 -16.9 1.5 | 27 10 -4.8 -9.2 8 790 2134 120 17 -14.7 8.5 | 49 3 -2.6 -2.2 9 762 2438 130 19 -14.6 12.2 | 122 3 -2.4 1.5 10 709 3048 130 21 -16.1 13.5 | 126 5 -3.9 2.8 11 700 3160 115 21 -19.0 8.9 | 75 7 -6.9 -1.8 12 658 3658 95 19 -18.9 1.7 | 37 11 -6.8 -9.0 13 611 4267 100 24 -23.6 4.2 | 60 13 -11.5 -6.5 14 588 4572 110 26 -24.4 8.9 | 82 12 -12.3 -1.8 15 567 4877 95 34 -33.9 3.0 | 70 23 -21.7 -7.7 16 526 5486 90 25 -25.0 0.0 | 50 17 -12.8 -10.7 17 506 5791 110 23 -21.6 7.9 | 73 10 -9.4 -2.8 18 500 5890 105 29 -28.0 7.5 | 79 16 -15.8 -3.2 19 450 6706 115 29 -26.3 12.3 | 96 14 -14.1 1.6 20 400 7610 70 16 -15.0 -5.5 | 10 16 -2.9 -16.2 21 399 7620 70 17 -16.0 -5.8 | 13 17 -3.8 -16.5 22 383 7925 100 15 -14.8 2.6 | 18 8 -2.6 -8.1 23 353 8534 85 10 -10.0 -0.9 | 349 12 2.2 -11.6 24 312 9449 120 10 -8.7 5.0 | 328 7 3.5 -5.7 25 300 9740 120 9 -7.8 4.5 | 325 8 4.4 -6.2 26 274 10363 125 10 -8.2 5.7 | 321 6 4.0 -5.0 27 263 10668 120 11 -9.5 5.5 | 333 6 2.6 -5.2 28 250 11010 100 2 -2.0 0.3 | 315 15 10.2 -10.3 29 229 11582 0 0 -0.0 -0.0 | 311 16 12.2 -10.7 30 200 12500 165 8 -2.1 7.7 | 286 11 10.1 -3.0 31 182 13106 160 10 -3.4 9.4 | 278 9 8.7 -1.3 32 150 14300 150 2 -1.0 1.7 | 309 14 11.2 -9.0 33 127 15240 90 10 -10.0 0.0 | 349 11 2.2 -10.7 34 121 15545 110 17 -16.0 5.8 | 38 6 -3.8 -4.9 35 103 16459 120 32 -27.7 16.0 | 109 16 -15.5 5.3 36 100 16640 145 23 -13.2 18.8 | 173 8 -1.0 8.1 37 98 16764 145 23 -13.2 18.8 | 173 8 -1.0 8.1 38 92 17069 150 16 -8.0 13.9 | 233 5 4.2 3.2 39 88 17374 145 10 -5.7 8.2 | 291 7 6.4 -2.5 40 83 17678 75 10 -9.7 -2.6 | 349 14 2.5 -13.3 41 78 17983 100 24 -23.6 4.2 | 60 13 -11.5 -6.5 42 74 18288 135 14 -9.9 9.9 | 289 2 2.3 -0.8 43 70 18593 270 11 11.0 -0.0 | 295 26 23.2 -10.7 44 70 18600 195 10 2.6 9.7 | 274 15 14.8 -1.0 45 66 18898 190 11 1.9 10.8 | 269 14 14.1 0.1 46 62 19202 180 16 0.0 16.0 | 246 13 12.2 5.3 Wind Parameters Mean winds (0-6000m): 101.3 at 21.6 knts Storm direction: 131.3 at 16.2 knts Shear (0-3000m) pos: 2.9 neg: 0.3 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 144.6 deg Storm rel helicity (0-3000m) pos: 53.7 neg: -2.9 tot: 50.7 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.0 10^-3/s Energy-Hel index: 0.30 Bulk Rich Number: 80.39 Bulk Shear: 12.03 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 78 16 13 14| 12.6 0.0 12.6| 41.2 0.0 41.2 82.3 0.83| 13.9 11.5 1000 81 18 22 15| 5.8 0.0 5.8| 46.8 -2.7 44.1 44.1 0.67| 9.1 6.1 1500 83 18 24 14| 3.7 0.0 3.7| 46.8 -2.9 43.9 29.2 0.60| 6.8 4.0 2000 88 18 27 13| 3.3 0.0 3.3| 50.4 -2.9 47.5 23.7 0.50| 7.0 3.5 2500 96 18 32 11| 3.4 0.0 3.4| 53.5 -2.9 50.6 20.2 0.54| 6.7 3.6 3000 102 18 39 9| 2.9 0.3 3.2| 53.7 -2.9 50.7 16.9 0.52| 5.8 3.0 4000 103 19 43 9| 2.2 1.5 3.7| 61.6 -22.7 38.9 9.7 0.20| 6.3 1.3 5000 102 20 51 10| 2.3 2.2 4.5| 83.3 -46.7 36.6 7.3 0.17| 7.0 1.2 6000 101 22 54 11| 2.6 1.5 4.2|106.4 -71.0 35.4 5.9 0.15| 7.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//PTYA/skewt/PTYA.skewt.20251220.12.gif