UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for PTYA... Searching the city database file for: PTYA ... Date:1200Z 30 APR 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 25.0 24.3 96 0.7 24.5 70 5 297.5 301.0 297.4 353.5 19.31 1 1000 99 26.0 23.8 88 2.2 24.4 105 9 299.1 302.6 297.5 354.3 18.88 2 976 314 25.2 24.2 94 1.0 24.5 125 21 300.4 304.1 298.5 358.8 19.84 3 940 645 24.0 19.6 76 4.4 20.9 116 21 302.5 305.3 296.2 348.1 15.45 4 929 748 23.2 20.9 87 2.3 21.6 119 22 302.7 305.8 297.3 353.0 16.98 5 925 786 23.0 20.6 86 2.4 21.3 120 22 302.8 305.9 297.1 352.4 16.74 6 918 852 23.0 19.0 78 4.0 20.2 123 22 303.5 306.3 296.4 348.7 15.24 7 880 1221 20.6 18.0 85 2.6 18.8 130 20 304.7 307.5 296.4 349.2 14.92 8 850 1521 19.0 15.3 79 3.7 16.5 135 19 306.0 308.5 295.5 345.0 12.97 9 819 1840 16.6 15.6 94 1.0 15.9 132 18 306.8 309.3 296.2 348.1 13.74 10 812 1913 16.4 12.9 80 3.5 14.1 132 18 307.3 309.5 294.8 342.3 11.60 11 810 1934 16.4 14.0 86 2.4 14.8 132 18 307.5 309.9 295.6 345.3 12.51 12 802 2019 16.0 12.5 80 3.5 13.7 131 17 308.0 310.1 295.0 342.6 11.43 13 790 2147 15.0 13.0 88 2.0 13.7 130 17 308.2 310.5 295.4 344.6 12.00 14 783 2223 14.8 11.8 82 3.0 12.9 128 17 308.8 310.9 295.0 342.8 11.18 15 778 2277 14.2 13.3 94 0.9 13.6 127 17 308.7 311.1 295.8 346.5 12.44 16 775 2310 14.4 13.7 96 0.7 13.9 126 18 309.3 311.7 296.3 348.3 12.83 17 771 2354 14.6 12.5 87 2.1 13.2 125 18 310.0 312.2 295.8 346.3 11.90 18 761 2464 13.8 13.1 96 0.7 13.3 122 18 310.3 312.6 296.3 348.6 12.55 19 753 2554 13.4 10.9 85 2.5 11.8 120 18 310.8 312.8 295.3 344.3 10.95 20 739 2712 12.8 10.0 83 2.8 11.0 116 19 311.8 313.8 295.3 344.1 10.50 21 711 3036 11.0 9.4 90 1.6 10.0 105 18 313.3 315.3 295.7 345.7 10.48 22 700 3167 11.0 8.0 82 3.0 9.1 100 17 314.7 316.5 295.4 344.8 9.67 23 695 3227 10.8 6.5 75 4.3 8.2 98 16 315.1 316.8 294.9 342.5 8.77 24 685 3348 10.0 6.7 80 3.3 8.0 95 15 315.5 317.2 295.2 343.8 9.03 25 680 3409 9.8 5.3 74 4.5 7.1 98 15 315.9 317.5 294.8 341.8 8.25 26 679 3421 9.6 6.3 80 3.3 7.6 99 15 315.9 317.6 295.2 343.6 8.86 27 672 3508 9.0 4.9 75 4.1 6.5 105 15 316.1 317.7 294.7 341.6 8.11 28 670 3532 8.8 6.1 83 2.7 7.2 106 15 316.2 317.9 295.3 344.0 8.86 29 656 3707 7.8 4.0 77 3.8 5.5 116 15 317.0 318.5 294.7 341.6 7.80 30 639 3924 6.2 3.3 82 2.9 4.5 123 13 317.5 319.0 294.7 341.6 7.62 31 636 3963 6.4 -1.6 57 8.0 2.1 124 12 318.2 319.2 293.2 335.4 5.36 32 633 4002 6.2 0.2 65 6.0 2.9 124 12 318.4 319.6 293.8 338.0 6.14 33 630 4041 5.8 2.7 80 3.1 4.0 123 12 318.4 319.8 294.8 341.9 7.40 34 626 4093 5.4 2.9 84 2.5 3.9 121 13 318.5 319.9 294.9 342.5 7.56 35 611 4292 4.4 -1.6 65 6.0 1.2 115 14 319.5 320.6 293.7 337.5 5.58 36 601 4426 3.4 -0.4 76 3.8 1.3 109 15 319.9 321.1 294.3 339.8 6.20 37 598 4467 3.4 -1.6 70 5.0 0.7 108 15 320.4 321.5 294.0 338.8 5.70 38 595 4508 3.2 -1.6 71 4.8 0.7 106 15 320.6 321.7 294.1 339.1 5.73 39 594 4522 3.0 -0.3 79 3.3 1.2 105 15 320.5 321.7 294.5 340.8 6.32 40 591 4563 2.6 -1.1 77 3.7 0.6 104 15 320.5 321.7 294.3 339.8 5.98 41 583 4673 1.8 -0.2 87 2.0 0.7 99 16 320.8 322.1 294.7 341.7 6.48 42 581 4701 1.8 -1.1 81 2.9 0.3 98 16 321.1 322.3 294.5 340.8 6.09 43 567 4898 0.0 -1.5 90 1.5 -0.8 90 17 321.3 322.5 294.5 340.9 6.06 44 506 5806 -4.3 -4.6 98 0.3 -4.4 81 17 326.7 327.8 295.4 344.5 5.38 45 500 5900 -4.7 -5.2 96 0.5 -5.0 80 17 327.3 328.3 295.4 344.6 5.20 46 480 6219 -6.3 -7.8 89 1.5 -7.0 80 16 329.2 330.1 295.3 344.1 4.43 47 451 6703 -8.5 -9.9 90 1.4 -9.1 61 14 332.3 333.1 295.7 346.0 4.00 48 430 7070 -10.9 -11.8 93 0.9 -11.3 72 17 333.8 334.6 295.8 346.3 3.61 49 401 7601 -14.7 -16.4 87 1.7 -15.3 66 22 335.6 336.2 295.5 345.0 2.65 50 400 7620 -14.7 -16.4 87 1.7 -15.3 65 22 335.9 336.4 295.6 345.2 2.66 51 385 7909 -16.1 -18.3 83 2.2 -16.9 70 27 337.7 338.2 295.8 346.1 2.35 52 369 8229 -17.7 -19.8 84 2.1 -18.4 56 19 339.7 340.2 296.1 347.5 2.16 53 368 8249 -17.7 -19.7 84 2.0 -18.4 55 19 340.0 340.4 296.1 347.9 2.18 54 300 9750 -27.9 -30.5 78 2.6 -28.5 30 18 346.1 346.3 296.6 349.9 1.01 55 250 11030 -38.3 -41.9 69 3.6 -38.7 25 14 349.1 349.2 296.8 350.7 0.39 56 200 12530 -51.7 -55.7 62 4.0 -51.8 95 10 350.9 350.9 296.9 351.3 0.10 57 150 14320 -69.1 -75.1 41 6.0 -69.1 80 9 351.1 351.1 296.8 351.1 0.01 58 105 16386 -82.3 -86.0 53 3.7 -82.3 80 19 363.6 363.6 299.4 363.6 0.00 59 100 16660 -80.3 -86.3 36 6.0 -80.3 75 4 372.6 372.6 301.0 372.6 0.00 60 96 16890 -81.7 -87.7 35 6.0 -81.7 75 4 374.2 374.2 301.3 374.2 0.00 61 92 17129 -81.5 -87.5 35 6.0 -81.5 68 6 379.2 379.2 302.1 379.2 0.00 62 89 17316 -78.7 -86.7 26 8.0 -78.7 41 12 388.4 388.4 303.6 388.4 0.00 63 82 17782 -78.9 -87.9 22 9.0 -78.9 0 11 397.2 397.2 304.8 397.2 0.00 64 79 17994 -80.5 -88.5 25 8.0 -80.5 15 11 398.2 398.2 304.9 398.2 0.00 65 73 18440 -79.7 -88.7 21 9.0 -79.7 93 10 408.9 408.9 306.4 408.9 0.00 TRP 105 16386 -82.3 -86.0 53 3.7 -82.3 80 19 363.6 363.6 299.4 363.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 567.00 mb = 4897.91 m = 16069.07 ft Wetbulb zero: 577.63 mb = 4748.11 m = 15577.61 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 84.68 % Est. max temperature: 33.23 C = 91.81 F Sfc-Lift cond lev (LCL): 998.25 mb = 114.47 m = 375.55 ft T: 25.94 C 700-500 lapse rate: 5.74 C/km ThetaE index: 10.64 C Layer 940.0- 929.0 mb Conv cond level (CCL): 879.77 mb = 1223.18 m = 4013.01 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 32.25 C = 90.04 F Cap Strength: 1.77 C Lifted Index: -2.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.26 C Lifted Index @700 mb: -0.45 C Showalter Index: 0.11 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 20.00 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 238.60 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 811.88 J/kg Max Up Vert Vel: 40.30 m/s Conv Inhibition (B-): 34.12 J/kg Cap Strength: 1.66 C Lift Cond Lev (LCL): 923.35 mb = 801.66 m = 2630.07 ft Lev Free Conv (LFC): 828.35 mb = 1742.43 m = 5716.57 ft Equ Level (EL): 138.35 mb = 14788.33 m = 48517.55 ft B at Equ Level: 802.47 J/kg Max Parcel Lev (MPL): 88.35 mb = 17357.93 m = 56947.91 ft Wind level data Storm motion: 142 at 13 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 5 -4.7 -1.7 | 344 12 3.3 -11.8 1 1000 99 105 9 -8.7 2.3 | 5 8 -0.7 -7.8 2 977 305 125 21 -17.2 12.0 | 102 9 -9.2 1.9 3 944 610 115 21 -19.0 8.9 | 84 11 -11.0 -1.2 4 925 786 120 22 -19.1 11.0 | 95 11 -11.1 0.9 5 911 914 125 22 -18.0 12.6 | 104 10 -10.0 2.5 6 850 1521 135 19 -13.4 13.4 | 121 6 -5.5 3.3 7 850 1524 135 19 -13.4 13.4 | 121 6 -5.5 3.3 8 791 2134 130 17 -13.0 10.9 | 99 5 -5.0 0.8 9 736 2743 115 19 -17.2 8.0 | 77 9 -9.2 -2.1 10 700 3167 100 17 -16.7 3.0 | 51 11 -8.8 -7.2 11 684 3353 95 15 -14.9 1.3 | 38 11 -7.0 -8.8 12 659 3658 115 15 -13.6 6.3 | 56 7 -5.6 -3.8 13 635 3962 125 12 -9.8 6.9 | 30 4 -1.8 -3.2 14 611 4267 115 14 -12.7 5.9 | 48 6 -4.7 -4.2 15 567 4877 90 17 -17.0 0.0 | 42 14 -9.0 -10.1 16 500 5900 80 17 -16.7 -3.0 | 34 16 -8.8 -13.1 17 469 6401 80 16 -15.8 -2.8 | 31 15 -7.8 -12.9 18 450 6706 60 14 -12.1 -7.0 | 14 18 -4.1 -17.1 19 416 7315 80 19 -18.7 -3.3 | 39 17 -10.7 -13.4 20 400 7620 65 22 -19.9 -9.3 | 32 23 -12.0 -19.4 21 384 7925 70 27 -25.4 -9.2 | 42 26 -17.4 -19.3 22 368 8230 55 19 -15.6 -10.9 | 20 22 -7.6 -21.0 23 339 8839 30 16 -8.0 -13.9 | 0 24 -0.0 -24.0 24 326 9144 40 16 -10.3 -12.3 | 6 22 -2.3 -22.4 25 312 9449 65 9 -8.2 -3.8 | 1 14 -0.2 -13.9 26 300 9750 30 18 -9.0 -15.6 | 2 26 -1.0 -25.7 27 300 9754 30 18 -9.0 -15.6 | 2 26 -1.0 -25.7 28 275 10363 25 17 -7.2 -15.4 | 358 26 0.8 -25.5 29 252 10973 25 15 -6.3 -13.6 | 356 24 1.6 -23.7 30 250 11030 25 14 -5.9 -12.7 | 355 23 2.1 -22.8 31 230 11582 45 13 -9.2 -9.2 | 4 19 -1.2 -19.3 32 220 11887 35 10 -5.7 -8.2 | 353 18 2.2 -18.3 33 201 12497 65 11 -10.0 -4.6 | 8 15 -2.0 -14.8 34 200 12530 95 10 -10.0 0.9 | 12 9 -2.0 -9.2 35 191 12802 90 10 -10.0 0.0 | 11 10 -2.0 -10.1 36 182 13106 110 11 -10.3 3.8 | 20 7 -2.4 -6.3 37 157 14021 115 10 -9.1 4.2 | 10 6 -1.1 -5.9 38 150 14320 80 9 -8.9 -1.6 | 4 12 -0.9 -11.7 39 150 14326 90 3 -3.0 0.0 | 334 11 5.0 -10.1 40 135 14935 50 13 -10.0 -8.4 | 6 19 -2.0 -18.5 41 128 15240 65 10 -9.1 -4.2 | 4 14 -1.1 -14.3 42 121 15545 65 12 -10.9 -5.1 | 11 15 -2.9 -15.2 43 115 15850 35 19 -10.9 -15.6 | 6 26 -2.9 -25.7 44 105 16386 80 19 -18.7 -3.3 | 39 17 -10.7 -13.4 45 104 16459 65 21 -19.0 -8.9 | 30 22 -11.0 -19.0 46 100 16660 75 4 -3.9 -1.0 | 340 12 4.1 -11.1 47 93 17069 75 4 -3.9 -1.0 | 340 12 4.1 -11.1 48 88 17374 30 15 -7.5 -13.0 | 359 23 0.5 -23.1 49 83 17678 355 11 1.0 -11.0 | 337 23 8.9 -21.1 50 74 18288 40 10 -6.4 -7.7 | 355 18 1.6 -17.8 51 70 18593 205 10 4.2 9.1 | 275 12 12.2 -1.0 Wind Parameters Mean winds (0-6000m): 111.7 at 17.2 knts Storm direction: 141.7 at 12.9 knts Shear (0-3000m) pos: 3.0 neg: 1.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 48.8 neg: -24.9 tot: 23.9 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.0 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 1227.82 Bulk Shear: 0.66 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 ------------------------------------------------------------------------------- 500 119 16 71 7| 18.6 0.0 18.6| 32.4 -5.7 26.7 53.5 0.67| 22.2 14.8 1000 120 19 86 9| 9.9 0.0 9.9| 44.5 -8.2 36.3 36.3 0.65| 14.1 9.1 1500 124 19 95 8| 6.0 0.0 6.0| 48.8 -8.2 40.6 27.0 0.63| 10.7 6.8 2000 126 19 98 8| 4.5 0.5 5.0| 48.8 -10.9 37.9 19.0 0.54| 8.6 4.6 2500 126 19 97 7| 3.6 1.0 4.6| 48.8 -14.3 34.4 13.8 0.43| 7.6 3.3 3000 124 19 93 8| 3.0 1.6 4.6| 48.8 -24.9 23.9 8.0 0.28| 7.2 2.0 4000 120 18 81 7| 2.2 1.2 3.5| 53.4 -37.3 16.1 4.0 0.16| 7.0 1.1 5000 117 17 73 8| 1.8 2.0 3.7| 55.0 -42.1 12.9 2.6 0.13| 6.6 0.8 6000 112 17 65 9| 1.5 1.8 3.3| 55.0 -49.6 5.4 0.9 0.09| 5.8 0.5 Wrote GIF file: /home/apache/climate/data/raob//PTYA/skewt/PTYA.skewt.20250430.12.gif