UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for PTYA... Searching the city database file for: PTYA ... Date:0000Z 28 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 26.8 25.8 94 1.0 26.1 160 3 299.3 303.1 299.0 361.3 21.18 1 1004 57 27.2 24.4 85 2.8 25.2 138 4 300.0 303.6 298.1 357.3 19.51 2 1000 98 27.0 23.9 83 3.1 24.7 115 6 300.1 303.6 297.9 355.9 19.00 3 972 349 25.0 23.0 89 2.0 23.6 94 11 300.6 304.0 297.7 354.9 18.50 4 960 459 24.4 22.9 91 1.5 23.3 90 12 301.0 304.5 297.9 355.9 18.62 5 936 681 24.0 17.0 65 7.0 19.2 85 14 302.8 305.2 294.7 341.7 13.13 6 933 709 23.6 18.6 74 5.0 20.1 85 13 302.7 305.4 295.7 345.9 14.61 7 930 738 23.6 16.6 65 7.0 18.8 85 13 303.0 305.4 294.6 341.1 12.88 8 925 785 23.0 17.0 69 6.0 18.9 85 13 302.8 305.3 294.8 342.2 13.29 9 918 851 22.6 17.6 73 5.0 19.1 82 14 303.1 305.6 295.4 344.3 13.93 10 911 918 22.4 15.4 65 7.0 17.7 80 15 303.5 305.8 294.3 339.7 12.17 11 900 1024 21.4 17.0 76 4.4 18.4 81 14 303.6 306.1 295.3 344.2 13.67 12 850 1518 18.6 11.6 64 7.0 14.1 85 12 305.6 307.5 293.3 336.1 10.15 13 843 1589 18.2 11.2 64 7.0 13.7 82 13 305.9 307.8 293.3 335.9 9.96 14 815 1878 16.2 12.2 77 4.0 13.6 91 11 306.8 308.8 294.3 340.0 11.02 15 806 1972 15.6 9.6 67 6.0 11.9 95 10 307.1 308.9 293.2 335.4 9.35 16 804 1994 15.4 10.4 72 5.0 12.2 95 10 307.1 309.0 293.6 337.1 9.90 17 802 2015 15.2 13.7 91 1.5 14.2 96 10 307.1 309.4 295.4 344.5 12.39 18 786 2186 13.8 13.2 96 0.6 13.4 101 9 307.4 309.7 295.3 344.3 12.23 19 775 2304 13.0 12.7 98 0.3 12.8 103 10 307.8 310.0 295.3 344.1 12.00 20 768 2381 12.8 11.3 91 1.5 11.9 104 10 308.4 310.4 294.7 341.8 11.02 21 766 2403 13.0 9.6 80 3.4 10.9 104 10 308.8 310.7 294.0 338.8 9.85 22 762 2447 12.6 9.4 81 3.2 10.6 105 10 308.8 310.7 294.0 338.6 9.77 23 759 2480 12.8 6.8 67 6.0 9.2 104 10 309.4 311.0 292.9 334.5 8.19 24 756 2513 12.6 9.3 80 3.3 10.5 103 10 309.5 311.4 294.1 339.4 9.78 25 751 2569 12.6 5.6 62 7.0 8.5 101 10 310.1 311.6 292.7 333.6 7.62 26 748 2603 12.2 9.4 83 2.8 10.4 99 10 310.1 311.9 294.4 340.5 9.95 27 743 2659 12.2 5.2 62 7.0 8.0 97 9 310.7 312.1 292.7 333.7 7.49 28 740 2693 12.0 5.0 62 7.0 7.9 96 9 310.8 312.2 292.7 333.7 7.41 29 736 2739 11.8 7.0 72 4.8 8.9 95 9 311.1 312.7 293.7 337.5 8.57 30 729 2819 12.4 -1.6 38 14.0 5.1 92 9 312.6 313.5 290.9 327.3 4.67 31 720 2923 12.2 -4.8 30 17.0 3.8 88 9 313.5 314.2 290.3 325.3 3.72 32 718 2947 11.8 -1.2 40 13.0 4.9 87 9 313.3 314.2 291.3 328.7 4.88 33 713 3005 11.0 6.7 75 4.3 8.4 85 8 313.0 314.7 294.3 339.9 8.67 34 702 3135 10.2 6.8 79 3.4 8.1 81 8 313.5 315.2 294.6 341.1 8.87 35 700 3159 10.2 6.3 77 3.9 7.8 80 8 313.8 315.4 294.4 340.5 8.59 36 683 3363 8.6 5.5 81 3.1 6.8 70 6 314.2 315.8 294.4 340.2 8.33 37 678 3424 8.6 2.6 66 6.0 5.2 68 7 314.9 316.2 293.4 336.3 6.82 38 674 3473 8.0 3.4 73 4.6 5.4 66 7 314.7 316.1 293.7 337.5 7.27 39 669 3534 7.8 0.8 61 7.0 3.9 64 7 315.2 316.3 292.9 334.4 6.07 40 662 3621 7.0 4.2 82 2.8 5.4 62 8 315.2 316.7 294.3 339.8 7.84 41 657 3683 6.6 2.9 77 3.7 4.5 60 9 315.5 316.8 293.9 338.1 7.20 42 648 3796 5.8 3.5 85 2.3 4.5 56 10 315.8 317.3 294.3 339.8 7.62 43 643 3860 5.6 1.0 72 4.6 3.1 54 10 316.3 317.5 293.4 336.6 6.41 44 641 3885 5.4 3.3 86 2.1 4.2 53 10 316.3 317.8 294.4 340.3 7.59 45 621 4143 3.6 3.6 100 0.0 3.6 69 9 317.1 318.7 294.9 342.5 8.01 46 603 4382 2.4 2.3 99 0.1 2.4 88 9 318.4 319.9 294.9 342.3 7.52 47 579 4709 0.8 0.5 98 0.3 0.6 97 11 320.3 321.6 294.9 342.3 6.87 48 573 4793 0.6 -1.7 85 2.3 -0.6 98 11 321.0 322.2 294.3 340.1 5.91 49 569 4849 0.2 -0.3 96 0.5 -0.1 99 10 321.2 322.5 294.9 342.5 6.60 50 566 4892 0.2 -0.3 96 0.5 -0.1 100 10 321.7 323.0 295.1 343.1 6.63 51 558 5006 0.2 -2.2 84 2.4 -1.1 91 12 323.0 324.1 294.8 342.0 5.84 52 554 5064 0.0 -2.0 86 2.0 -1.1 86 12 323.4 324.6 295.0 342.9 5.98 53 547 5165 -0.3 -5.3 69 5.0 -2.8 77 14 324.2 325.2 294.3 339.8 4.72 54 500 5880 -3.9 -9.9 63 6.0 -6.6 60 13 328.3 329.0 294.4 340.5 3.61 55 400 7610 -14.3 -16.0 87 1.7 -14.9 70 7 336.4 337.0 295.7 346.1 2.75 56 300 9730 -28.7 -31.0 81 2.3 -29.2 140 14 344.9 345.1 296.3 348.6 0.96 57 250 11010 -38.7 -43.3 62 4.6 -39.2 140 20 348.5 348.6 296.6 349.9 0.33 58 200 12500 -52.1 -56.0 63 3.9 -52.2 140 24 350.3 350.3 296.8 350.7 0.10 59 150 14290 -68.7 -73.7 48 5.0 -68.7 135 28 351.7 351.7 297.0 351.8 0.01 60 100 16630 -81.5 -87.5 35 6.0 -81.5 105 18 370.3 370.3 300.6 370.3 0.00 61 97 16801 -81.3 -87.3 35 6.0 -81.3 108 17 373.9 373.9 301.2 373.9 0.00 62 94 16979 -78.1 -85.1 31 7.0 -78.1 96 12 383.6 383.6 302.8 383.6 0.00 63 92 17102 -78.1 -85.1 31 7.0 -78.1 94 10 385.9 385.9 303.2 385.9 0.00 64 92 17102 -78.1 -85.1 31 7.0 -78.1 94 10 385.9 385.9 303.2 385.9 0.00 65 91 17164 -77.9 -84.9 31 7.0 -77.9 102 10 387.5 387.5 303.4 387.5 0.00 66 91 17164 -77.9 -84.9 31 7.0 -77.9 102 10 387.5 387.5 303.4 387.5 0.00 67 89 17292 -77.7 -85.7 26 8.0 -77.7 120 9 390.4 390.4 303.9 390.4 0.00 68 88 17356 -78.9 -85.9 31 7.0 -78.9 129 9 389.3 389.3 303.7 389.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 554.00 mb = 5063.54 m = 16612.48 ft Wetbulb zero: 576.05 mb = 4750.38 m = 15585.06 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 77.90 % Est. max temperature: 32.84 C = 91.11 F Sfc-Lift cond lev (LCL): 993.99 mb = 151.30 m = 496.39 ft T: 26.58 C 700-500 lapse rate: 5.18 C/km ThetaE index: 14.15 C Layer 936.0- 933.0 mb Conv cond level (CCL): 861.72 mb = 1399.62 m = 4591.87 ft Mean mixing ratio: 16.52 g/kg Conv temperature: 32.68 C = 90.83 F Cap Strength: 1.94 C Lifted Index: -1.05 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.48 C Lifted Index @700 mb: -0.48 C Showalter Index: 4.52 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 15.50 C K Index: 30.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 176.20 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 385.52 J/kg Max Up Vert Vel: 27.77 m/s Conv Inhibition (B-): 44.45 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 907.45 mb = 952.10 m = 3123.64 ft Lev Free Conv (LFC): 812.45 mb = 1904.67 m = 6248.83 ft Equ Level (EL): 722.45 mb = 2894.93 m = 9497.69 ft B at Equ Level: 42.57 J/kg Max Parcel Lev (MPL): 112.45 mb = 15952.99 m = 52338.57 ft Wind level data Storm motion: 112 at 8 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 17 160 3 -1.0 2.8 | 272 7 6.6 -0.3 1 1000 98 115 6 -5.4 2.5 | 284 2 2.1 -0.6 2 977 305 95 10 -10.0 0.9 | 47 3 -2.4 -2.2 3 944 610 85 14 -13.9 -1.2 | 56 8 -6.4 -4.3 4 925 785 85 13 -13.0 -1.1 | 52 7 -5.4 -4.2 5 911 914 80 15 -14.8 -2.6 | 52 9 -7.2 -5.7 6 850 1518 85 12 -12.0 -1.0 | 47 6 -4.4 -4.1 7 849 1524 80 13 -12.8 -2.3 | 44 7 -5.2 -5.3 8 790 2134 100 9 -8.9 1.6 | 40 2 -1.3 -1.5 9 762 2438 105 10 -9.7 2.6 | 77 2 -2.1 -0.5 10 700 3159 80 8 -7.9 -1.4 | 4 4 -0.3 -4.5 11 683 3353 70 6 -5.6 -2.1 | 339 5 1.9 -5.1 12 634 3962 50 11 -8.4 -7.1 | 5 10 -0.8 -10.2 13 610 4267 85 7 -7.0 -0.6 | 351 4 0.6 -3.7 14 588 4572 95 12 -12.0 1.0 | 65 5 -4.4 -2.0 15 566 4877 100 10 -9.8 1.7 | 59 3 -2.3 -1.3 16 545 5182 75 14 -13.5 -3.6 | 42 9 -5.9 -6.7 17 525 5486 80 15 -14.8 -2.6 | 52 9 -7.2 -5.7 18 506 5791 60 15 -13.0 -7.5 | 27 12 -5.4 -10.6 19 500 5880 60 13 -11.3 -6.5 | 21 10 -3.7 -9.6 20 486 6096 60 14 -12.1 -7.0 | 24 11 -4.5 -10.1 21 468 6401 50 11 -8.4 -7.1 | 5 10 -0.8 -10.2 22 449 6706 25 14 -5.9 -12.7 | 354 16 1.7 -15.8 23 432 7010 30 19 -9.5 -16.5 | 6 20 -1.9 -19.5 24 416 7315 50 10 -7.7 -6.4 | 0 10 -0.1 -9.5 25 400 7610 70 7 -6.6 -2.4 | 350 6 1.0 -5.5 26 368 8230 120 5 -4.3 2.5 | 280 3 3.2 -0.6 27 339 8839 150 10 -5.0 8.7 | 205 6 2.6 5.6 28 300 9730 140 14 -9.0 10.7 | 169 8 -1.4 7.6 29 299 9754 130 10 -7.7 6.4 | 179 3 -0.1 3.3 30 274 10363 150 17 -8.5 14.7 | 175 12 -0.9 11.6 31 250 11010 140 20 -12.9 15.3 | 157 13 -5.3 12.2 32 229 11582 130 22 -16.9 14.1 | 140 14 -9.3 11.1 33 200 12500 140 24 -15.4 18.4 | 153 17 -7.8 15.3 34 157 14021 140 30 -19.3 23.0 | 150 23 -11.7 19.9 35 150 14290 135 28 -19.8 19.8 | 144 21 -12.2 16.7 36 141 14630 130 27 -20.7 17.4 | 137 19 -13.1 14.3 37 127 15240 85 14 -13.9 -1.2 | 56 8 -6.4 -4.3 38 114 15850 70 22 -20.7 -7.5 | 51 17 -13.1 -10.6 39 103 16459 125 19 -15.6 10.9 | 134 11 -8.0 7.8 40 100 16630 105 18 -17.4 4.7 | 99 10 -9.8 1.6 41 98 16764 110 18 -16.9 6.2 | 108 10 -9.3 3.1 42 92 17069 90 10 -10.0 0.0 | 38 4 -2.4 -3.1 43 83 17678 175 7 -0.6 7.0 | 241 8 7.0 3.9 Wind Parameters Mean winds (0-6000m): 82.2 at 10.9 knts Storm direction: 112.2 at 8.2 knts Shear (0-3000m) pos: 1.1 neg: 2.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 99.2 deg Storm rel helicity (0-3000m) pos: 3.6 neg: -4.8 tot: -1.2 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 261.80 Bulk Shear: 1.47 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 98 9 35 2| 0.0 12.5 12.5| 2.7 0.0 2.7 5.3 0.42| 13.2 5.5 1000 89 11 49 5| 0.0 7.3 7.3| 2.7 -1.2 1.4 1.4 0.27| 8.9 2.4 1500 87 12 49 6| 0.9 4.9 5.8| 2.7 -2.3 0.4 0.3 0.21| 6.9 1.4 2000 87 12 49 6| 1.5 3.7 5.1| 3.0 -2.5 0.5 0.2 0.17| 6.2 1.1 2500 89 11 49 5| 1.3 2.9 4.3| 3.6 -2.9 0.7 0.3 0.18| 5.5 1.0 3000 90 11 48 5| 1.1 2.5 3.6| 3.6 -4.8 -1.2 -0.4 0.07| 5.1 0.4 4000 84 10 33 5| 0.8 2.3 3.1| 9.1 -7.7 1.4 0.4 0.07| 5.0 0.3 5000 85 10 34 5| 1.1 2.0 3.1| 13.5 -9.5 4.0 0.8 0.11| 5.4 0.6 6000 82 11 35 6| 0.9 2.1 3.0| 16.8 -25.9 -9.1 -1.5 0.01| 5.5 0.1 Wrote GIF file: /home/apache/climate/data/raob//PTYA/skewt/PTYA.skewt.20250428.00.gif