UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for PTYA... Searching the city database file for: PTYA ... Date:0000Z 18 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 26.2 25.9 98 0.3 26.0 50 7 298.8 302.6 298.9 361.1 21.33 1 1004 49 26.8 25.5 93 1.3 25.9 48 9 299.6 303.4 298.9 360.9 20.88 2 1000 91 26.6 25.2 92 1.4 25.6 45 11 299.8 303.5 298.7 360.1 20.58 3 985 225 26.6 24.9 90 1.7 25.3 45 15 301.0 304.8 299.0 361.6 20.52 4 955 499 24.4 24.0 98 0.4 24.1 55 22 301.5 305.2 298.8 360.7 20.04 5 936 676 24.2 21.4 84 2.8 22.2 64 23 303.0 306.2 297.6 354.6 17.39 6 925 780 23.4 20.9 86 2.5 21.6 70 22 303.2 306.4 297.5 353.9 17.06 7 922 808 23.2 20.8 86 2.4 21.5 71 22 303.3 306.5 297.4 353.8 17.01 8 919 837 23.4 20.5 84 2.9 21.3 72 22 303.8 306.9 297.4 353.6 16.74 9 917 856 23.4 20.5 84 2.9 21.3 73 22 304.0 307.1 297.5 354.0 16.78 10 853 1487 19.6 17.9 90 1.7 18.4 86 22 306.4 309.2 297.1 352.4 15.31 11 850 1517 19.6 17.6 88 2.0 18.2 85 22 306.7 309.5 297.1 352.0 15.07 12 843 1588 20.0 16.2 79 3.8 17.4 84 22 307.8 310.4 296.5 349.7 13.87 13 832 1702 19.2 15.1 77 4.1 16.4 82 23 308.1 310.6 296.1 347.7 13.09 14 828 1743 18.6 16.1 85 2.5 16.9 81 23 307.9 310.6 296.7 350.4 14.04 15 814 1890 18.8 12.8 68 6.0 14.8 83 23 309.6 311.8 295.4 344.7 11.49 16 805 1986 18.0 13.1 73 4.9 14.7 87 22 309.8 312.0 295.7 345.9 11.86 17 802 2018 18.0 12.0 68 6.0 14.0 89 22 310.1 312.2 295.3 343.9 11.06 18 801 2028 18.0 12.0 68 6.0 14.0 90 22 310.2 312.3 295.3 344.0 11.07 19 799 2050 18.0 12.0 68 6.0 14.0 91 22 310.4 312.5 295.4 344.4 11.10 20 795 2093 17.6 12.9 74 4.7 14.4 93 21 310.5 312.7 295.9 346.7 11.85 21 731 2806 13.0 7.0 67 6.0 9.3 109 24 313.0 314.6 294.3 339.8 8.63 22 716 2981 12.6 5.6 62 7.0 8.4 105 26 314.4 315.9 294.1 339.4 7.99 23 713 3016 12.6 5.6 62 7.0 8.4 104 26 314.8 316.3 294.3 339.9 8.03 24 704 3123 11.8 4.8 62 7.0 7.6 101 27 315.0 316.5 294.1 339.1 7.69 25 700 3171 11.4 5.4 67 6.0 7.8 100 28 315.1 316.7 294.4 340.4 8.06 26 660 3661 8.0 3.1 71 4.9 5.2 93 29 316.6 318.0 294.2 339.6 7.27 27 654 3737 8.0 2.0 66 6.0 4.6 92 29 317.5 318.8 294.1 339.0 6.78 28 652 3762 8.0 1.0 61 7.0 4.1 92 29 317.7 319.0 293.8 337.9 6.32 29 627 4084 5.0 0.6 73 4.4 2.5 88 30 317.9 319.1 293.9 338.2 6.39 30 580 4717 0.4 -1.6 86 2.0 -0.7 87 33 319.7 320.8 294.0 338.6 5.88 31 563 4956 -1.1 -1.8 95 0.7 -1.4 89 34 320.6 321.8 294.3 339.9 5.97 32 542 5260 -2.7 -4.1 90 1.4 -3.4 90 35 322.2 323.3 294.1 339.2 5.22 33 523 5543 -3.3 -5.3 86 2.0 -4.3 92 32 324.8 325.8 294.6 341.1 4.93 34 518 5620 -3.9 -5.7 87 1.8 -4.8 93 31 325.0 325.9 294.6 340.9 4.83 35 508 5774 -3.5 -5.2 88 1.7 -4.4 94 29 327.3 328.3 295.3 344.3 5.12 36 500 5900 -4.1 -5.8 88 1.7 -5.0 95 28 328.0 329.0 295.4 344.6 4.97 37 457 6604 -8.7 -9.1 97 0.4 -8.9 101 28 330.8 331.7 295.6 345.1 4.21 38 444 6828 -9.7 -10.0 98 0.3 -9.8 103 29 332.3 333.1 295.8 346.1 4.03 39 420 7257 -11.1 -13.7 81 2.6 -12.2 107 29 335.8 336.5 296.0 346.9 3.16 40 402 7592 -13.5 -14.9 89 1.4 -14.0 110 29 337.0 337.6 296.1 347.5 2.99 41 400 7630 -13.7 -16.6 79 2.9 -14.8 110 29 337.2 337.7 295.8 346.4 2.61 42 398 7668 -14.1 -16.0 85 1.9 -14.8 110 29 337.1 337.7 296.0 346.9 2.76 43 396 7706 -14.5 -17.4 79 2.9 -15.6 110 29 337.1 337.6 295.7 345.9 2.47 44 387 7880 -15.7 -17.5 86 1.8 -16.3 110 29 337.8 338.3 295.9 346.6 2.50 45 361 8400 -18.7 -22.0 75 3.3 -19.7 95 22 340.5 340.9 296.0 347.1 1.82 46 332 9017 -23.7 -24.6 92 0.9 -23.9 98 24 341.9 342.3 296.1 347.7 1.57 47 328 9106 -23.9 -26.0 83 2.1 -24.4 99 25 342.8 343.1 296.2 348.0 1.40 48 322 9240 -25.1 -25.9 93 0.8 -25.3 101 26 343.0 343.3 296.3 348.3 1.44 49 320 9285 -25.5 -26.3 93 0.8 -25.7 102 26 343.1 343.3 296.3 348.2 1.40 50 317 9353 -25.7 -28.6 77 2.9 -26.3 103 27 343.7 343.9 296.2 348.0 1.14 51 309 9538 -27.1 -29.0 84 1.9 -27.5 105 27 344.3 344.5 296.3 348.5 1.13 52 305 9632 -27.7 -29.7 83 2.0 -28.1 105 25 344.7 344.9 296.4 348.8 1.07 53 304 9655 -27.9 -32.1 67 4.2 -28.7 105 25 344.8 344.9 296.2 348.0 0.85 54 300 9750 -28.5 -31.4 76 2.9 -29.1 105 23 345.2 345.4 296.4 348.7 0.92 55 298 9798 -29.1 -31.5 80 2.4 -29.6 96 26 345.0 345.2 296.3 348.5 0.92 56 250 11030 -38.5 -43.2 61 4.7 -39.0 125 26 348.8 348.9 296.7 350.2 0.34 57 200 12520 -51.7 -59.7 38 8.0 -52.0 145 22 350.9 350.9 296.9 351.2 0.06 58 150 14320 -66.9 -75.9 27 9.0 -67.0 170 3 354.8 354.8 297.7 354.9 0.01 59 100 16640 -85.3 -89.9 43 4.6 -85.3 115 12 362.9 362.9 299.2 362.9 0.00 60 92 17096 -88.3 -91.9 51 3.6 -88.3 107 19 365.7 365.7 299.8 365.7 0.00 61 91 17155 -89.1 -93.0 47 3.9 -89.1 105 20 365.3 365.3 299.7 365.3 0.00 62 88 17337 -86.3 -92.3 33 6.0 -86.3 101 20 374.4 374.4 301.4 374.4 0.00 63 87 17400 -86.9 -91.9 39 5.0 -86.9 103 20 374.4 374.5 301.4 374.5 0.00 64 84 17593 -83.5 -90.5 28 7.0 -83.5 126 21 385.1 385.1 303.1 385.1 0.00 65 82 17727 -82.9 -88.9 35 6.0 -82.9 118 20 389.0 389.0 303.6 389.0 0.00 66 76 18148 -85.1 -91.1 33 6.0 -85.1 47 16 393.0 393.0 304.2 393.0 0.00 67 70 18610 -78.3 -88.3 18 10.0 -78.3 85 10 416.9 416.9 307.3 416.9 0.00 68 69 18693 -76.9 -87.9 16 11.0 -76.9 98 11 421.6 421.6 307.9 421.6 0.00 69 66 18950 -74.7 -86.7 14 12.0 -74.7 139 14 431.8 431.8 309.0 431.8 0.00 70 62 19312 -77.3 -88.3 16 11.0 -77.3 189 14 433.8 433.8 309.3 433.8 0.00 71 59 19598 -74.7 -87.7 12 13.0 -74.7 182 12 445.8 445.8 310.4 445.9 0.00 72 54 20115 -73.7 -88.7 8 15.0 -73.8 75 13 459.6 459.6 311.7 459.6 0.00 73 54 20115 -73.7 -88.7 8 15.0 -73.8 75 13 459.6 459.6 311.7 459.6 0.00 74 51 20452 -70.3 -89.3 5 19.0 -70.5 87 27 475.1 475.1 313.1 475.1 0.00 75 50 20570 -71.1 -89.1 5 18.0 -71.2 60 29 475.9 475.9 313.1 476.0 0.00 76 48 20811 -71.7 -89.7 5 18.0 -71.8 66 28 480.1 480.1 313.5 480.1 0.00 77 44 21325 -71.7 -90.7 4 19.0 -71.8 83 38 492.2 492.2 314.4 492.2 0.00 78 43 21462 -68.3 -90.3 3 22.0 -68.5 84 40 503.8 503.8 315.2 503.8 0.00 79 40 21896 -68.9 -89.9 3 21.0 -69.1 87 47 512.8 512.8 315.8 512.8 0.00 80 35 22708 -62.5 -88.5 2 26.0 -63.1 94 59 549.5 549.5 318.1 549.5 0.00 81 34 22886 -63.5 -88.5 2 25.0 -64.0 95 61 551.4 551.4 318.2 551.5 0.00 82 31 23456 -62.1 -89.1 2 27.0 -62.8 99 67 570.0 570.0 319.2 570.0 0.00 83 30 23660 -59.5 -87.5 1 28.0 -60.4 100 69 582.4 582.4 319.8 582.5 0.01 84 27 24325 -56.3 -86.3 1 30.0 -57.8 97 70 609.2 609.2 321.0 609.3 0.01 85 25 24817 -54.4 -85.3 1 31.0 -56.3 95 71 628.3 628.3 321.8 628.4 0.01 86 23 25354 -52.3 -84.3 1 32.0 -54.9 95 65 649.6 649.6 322.7 649.7 0.01 87 21 25949 -48.5 -82.5 1 34.0 -52.3 95 55 678.2 678.2 323.7 678.4 0.02 88 20 26270 -48.5 -81.5 1 33.0 -52.4 95 50 687.7 687.7 324.0 687.9 0.03 89 17 27334 -50.1 -83.1 1 33.0 -53.9 94 43 715.3 715.3 324.9 715.5 0.02 90 15 28152 -49.5 -82.5 1 33.0 -53.9 95 18 743.4 743.4 325.7 743.6 0.03 91 14 28606 -47.1 -82.1 1 35.0 -52.6 136 12 766.3 766.3 326.4 766.6 0.03 92 11 30187 -51.3 -83.3 1 32.0 -56.0 210 18 805.8 805.8 327.4 806.1 0.03 93 10 30810 -48.3 -82.3 1 34.0 -54.5 220 14 839.3 839.3 328.2 839.7 0.05 94 9.7 31010 -48.3 -82.3 1 34.0 -54.6 224 16 846.6 846.6 328.3 847.0 0.05 95 9.5 31147 -47.5 -82.5 1 35.0 -54.2 226 17 854.7 854.7 328.5 855.1 0.05 96 9.3 31288 -43.1 -81.1 1 38.0 -52.1 229 18 876.7 876.7 329.0 877.3 0.06 97 8.7 31740 -39.5 -78.5 1 39.0 -50.7 238 21 907.5 907.6 329.6 908.6 0.10 98 8.3 32060 -40.7 -79.7 1 39.0 -51.5 244 23 915.1 915.2 329.7 916.0 0.08 99 7.3 32933 -40.1 -79.1 1 39.0 -51.8 260 30 951.8 951.8 330.4 953.0 0.11 100 7.0 33220 -38.7 -78.7 1 40.0 -51.5 265 32 969.1 969.1 330.7 970.4 0.12 101 6.9 33319 -38.1 -78.1 1 40.0 -51.3 975.5 975.6 330.8 977.1 0.13 102 6.6 33624 -39.3 -79.3 1 40.0 -52.0 983.0 983.1 330.9 984.3 0.11 103 6.2 34055 -36.5 -78.5 1 42.0 -51.3 1012.7 1012.8 331.4 1014.3 0.14 104 5.6 34758 -38.5 -78.5 1 40.0 -52.5 1033.8 1033.9 331.7 1035.7 0.15 TRP 91 17155 -89.1 -93.0 47 3.9 -89.1 105 20 365.3 365.3 299.7 365.3 0.00 WND 25 24817 -54.4 -85.3 1 31.0 -56.3 95 71 628.3 628.3 321.8 628.4 0.01 Sounding variables and indices 1000-500 mb thick: 5809.00 m Freezing level: 575.47 mb = 4780.99 m = 15685.48 ft Wetbulb zero: 589.97 mb = 4578.89 m = 15022.43 ft Precipitable water: 2.47 inches Sfc-500 mean rel hum: 79.79 % Est. max temperature: 33.68 C = 92.62 F Sfc-Lift cond lev (LCL): 1003.15 mb = 57.63 m = 189.08 ft T: 26.76 C 700-500 lapse rate: 5.68 C/km ThetaE index: 7.97 C Layer 955.0- 917.0 mb Conv cond level (CCL): 895.50 mb = 1062.88 m = 3487.10 ft Mean mixing ratio: 19.06 g/kg Conv temperature: 32.24 C = 90.02 F Cap Strength: 1.14 C Lifted Index: -3.94 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.44 C Lifted Index @700 mb: -1.33 C Showalter Index: -1.83 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.70 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 283.20 Risk: None Energy Index: -1.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1860.03 J/kg Max Up Vert Vel: 60.99 m/s Conv Inhibition (B-): 17.83 J/kg Cap Strength: 1.14 C Lift Cond Lev (LCL): 933.38 mb = 700.66 m = 2298.73 ft Lev Free Conv (LFC): 858.38 mb = 1431.71 m = 4697.16 ft Equ Level (EL): 848.38 mb = 1533.46 m = 5030.98 ft B at Equ Level: 17.68 J/kg Max Parcel Lev (MPL): 68.38 mb = 18744.65 m = 61497.45 ft Wind level data Storm motion: 119 at 20 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 50 7 -5.4 -4.5 | 319 18 11.8 -13.8 1 1000 91 45 11 -7.8 -7.8 | 331 20 9.4 -17.1 2 976 305 45 18 -12.7 -12.7 | 349 23 4.5 -22.1 3 943 610 60 24 -20.8 -12.0 | 10 22 -3.6 -21.3 4 925 780 70 22 -20.7 -7.5 | 12 17 -3.5 -16.9 5 911 914 75 22 -21.3 -5.7 | 15 16 -4.1 -15.0 6 880 1219 90 18 -18.0 0.0 | 5 9 -0.8 -9.3 7 850 1517 85 22 -21.9 -1.9 | 23 12 -4.7 -11.3 8 819 1829 80 23 -22.7 -4.0 | 22 14 -5.5 -13.3 9 791 2134 95 21 -20.9 1.8 | 26 8 -3.7 -7.5 10 736 2743 110 23 -21.6 7.9 | 72 5 -4.4 -1.5 11 700 3171 100 28 -27.6 4.9 | 67 11 -10.4 -4.5 12 612 4267 85 30 -29.9 -2.6 | 47 17 -12.7 -12.0 13 546 5182 90 36 -36.0 0.0 | 64 21 -18.8 -9.3 14 500 5900 95 28 -27.9 2.4 | 57 13 -10.7 -6.9 15 400 7630 110 29 -27.3 9.9 | 93 10 -10.1 0.6 16 384 7925 110 29 -27.3 9.9 | 93 10 -10.1 0.6 17 354 8534 90 20 -20.0 0.0 | 17 10 -2.8 -9.3 18 313 9449 105 28 -27.0 7.2 | 78 10 -9.8 -2.1 19 300 9750 105 23 -22.2 6.0 | 56 6 -5.0 -3.4 20 300 9754 95 27 -26.9 2.4 | 54 12 -9.7 -7.0 21 275 10363 115 14 -12.7 5.9 | 307 6 4.5 -3.4 22 252 10973 125 17 -13.9 9.8 | 263 3 3.3 0.4 23 250 11030 125 26 -21.3 14.9 | 144 7 -4.1 5.6 24 210 12192 125 21 -17.2 12.0 | 180 3 -0.0 2.7 25 200 12520 145 22 -12.6 18.0 | 208 10 4.6 8.7 26 191 12802 145 22 -12.6 18.0 | 208 10 4.6 8.7 27 182 13106 135 17 -12.0 12.0 | 243 6 5.2 2.7 28 165 13716 165 15 -3.9 14.5 | 249 14 13.3 5.1 29 150 14320 170 3 -0.5 3.0 | 291 18 16.7 -6.4 30 115 15850 195 1 0.3 1.0 | 296 19 17.5 -8.4 31 100 16640 115 12 -10.9 5.1 | 304 8 6.3 -4.3 32 98 16764 115 12 -10.9 5.1 | 304 8 6.3 -4.3 33 91 17155 105 20 -19.3 5.2 | 27 5 -2.1 -4.2 34 87 17374 100 20 -19.7 3.5 | 23 6 -2.5 -5.9 35 83 17678 135 22 -15.6 15.6 | 195 6 1.6 6.2 36 78 17983 40 10 -6.4 -7.7 | 328 20 10.8 -17.0 37 70 18593 65 33 -29.9 -13.9 | 29 27 -12.7 -23.3 38 70 18610 85 10 -10.0 -0.9 | 325 13 7.2 -10.2 39 67 18898 130 14 -10.7 9.0 | 273 6 6.5 -0.3 40 63 19202 180 14 0.0 14.0 | 255 18 17.2 4.7 41 60 19507 205 14 5.9 12.7 | 262 23 23.1 3.3 42 57 19812 135 7 -4.9 4.9 | 290 13 12.2 -4.4 43 54 20117 75 13 -12.6 -3.4 | 340 14 4.6 -12.7 44 51 20422 95 27 -26.9 2.4 | 54 12 -9.7 -7.0 45 50 20570 60 29 -25.1 -14.5 | 18 25 -7.9 -23.8 46 49 20726 60 26 -22.5 -13.0 | 13 23 -5.3 -22.3 47 46 21031 80 33 -32.5 -5.7 | 45 21 -15.3 -15.1 48 34 22860 95 61 -60.8 5.3 | 85 44 -43.6 -4.0 49 30 23660 100 69 -68.0 12.0 | 93 51 -50.8 2.6 50 25 24817 95 71 -70.7 6.2 | 87 54 -53.5 -3.2 51 24 24994 95 71 -70.7 6.2 | 87 54 -53.5 -3.2 52 20 26270 95 50 -49.8 4.4 | 81 33 -32.6 -5.0 53 18 26822 100 49 -48.3 8.5 | 88 31 -31.1 -0.8 54 16 27737 90 38 -38.0 0.0 | 66 23 -20.8 -9.3 55 15 28042 85 19 -18.9 -1.7 | 9 11 -1.7 -11.0 56 13 29261 195 3 0.8 2.9 | 290 19 18.0 -6.4 57 12 29566 200 10 3.4 9.4 | 270 21 20.6 0.1 58 11 30175 210 18 9.0 15.6 | 257 27 26.2 6.2 59 10 30810 220 14 9.0 10.7 | 267 26 26.2 1.4 60 7 33220 265 32 31.9 2.8 | 278 50 49.1 -6.6 Wind Parameters Mean winds (0-6000m): 88.5 at 26.1 knts Storm direction: 118.5 at 19.6 knts Shear (0-3000m) pos: 3.3 neg: 0.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 109.5 deg Storm rel helicity (0-3000m) pos: 128.4 neg: -7.1 tot: 121.3 m^2/s^2 ave: 40.4 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 4.5 10^-3/s Energy-Hel index: 1.40 Bulk Rich Number: 47.15 Bulk Shear: 39.45 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 48 16 346 21| 15.7 0.0 15.7| 86.1 0.0 86.1 172.1 0.95| 17.1 16.1 1000 60 19 359 19| 7.7 0.0 7.7|108.8 -1.3 107.5 107.5 0.71| 14.2 10.1 1500 69 19 3 16| 5.7 0.0 5.7|117.9 -6.1 111.8 74.5 0.58| 12.4 7.3 2000 73 20 8 15| 4.4 0.0 4.4|120.2 -6.5 113.6 56.8 0.52| 10.8 5.6 2500 78 21 12 14| 3.9 0.0 3.9|125.7 -6.5 119.1 47.7 0.51| 9.9 5.1 3000 84 21 18 12| 3.3 0.7 3.9|128.4 -7.1 121.3 40.4 0.49| 9.3 4.5 4000 88 23 29 12| 2.5 1.3 3.8|128.4 -21.7 106.7 26.7 0.35| 8.1 2.9 5000 88 25 36 13| 2.3 1.3 3.6|150.4 -25.6 124.7 24.9 0.37| 7.2 2.6 6000 89 26 42 13| 1.7 1.1 2.8|156.8 -32.6 124.2 20.7 0.32| 6.8 2.2 Wrote GIF file: /home/apache/climate/data/raob//PTYA/skewt/PTYA.skewt.20251218.00.gif