UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 12 OCT 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 84 SFC 988 181 25.6 24.7 95 0.9 25.0 0 0 299.8 303.5 298.5 359.1 20.21 2 970 346 24.6 24.6 100 0.0 24.6 36 1 300.4 304.1 298.8 360.5 20.47 3 947 561 24.4 21.6 84 2.8 22.4 84 3 302.2 305.4 297.4 353.7 17.40 4 925 771 23.0 20.5 86 2.5 21.2 80 4 302.8 305.9 297.1 352.1 16.63 5 850 1504 18.2 17.1 93 1.1 17.4 90 7 305.2 307.9 296.4 348.8 14.59 6 813 1885 15.6 15.3 98 0.3 15.4 99 8 306.4 308.9 296.0 347.1 13.57 7 757 2491 13.4 9.4 77 4.0 10.9 103 8 310.3 312.2 294.4 340.4 9.83 8 752 2547 12.8 11.1 89 1.7 11.7 103 8 310.2 312.3 295.3 344.2 11.11 9 700 3148 10.2 6.5 78 3.7 7.9 105 8 313.8 315.4 294.6 340.9 8.71 10 640 3891 6.8 2.7 75 4.1 4.4 108 9 318.1 319.5 294.6 341.2 7.29 11 536 5328 -2.3 -4.4 85 2.1 -3.4 112 12 323.7 324.8 294.5 340.6 5.16 12 500 5880 -4.5 -9.1 70 4.6 -6.6 105 13 327.6 328.3 294.4 340.5 3.84 13 484 6135 -5.5 -10.5 68 5.0 -7.7 100 13 329.4 330.1 294.7 341.4 3.55 14 463 6480 -7.7 -11.0 77 3.3 -9.1 96 13 330.8 331.6 295.0 343.0 3.57 15 456 6598 -8.1 -13.1 67 5.0 -10.2 95 13 331.8 332.4 294.9 342.3 3.06 16 454 6632 -8.1 -14.1 62 6.0 -10.5 95 13 332.2 332.8 294.8 342.0 2.83 17 431 7032 -10.9 -21.9 40 11.0 -14.4 91 13 333.6 333.9 294.1 339.1 1.54 18 410 7413 -13.5 -23.5 43 10.0 -16.5 87 13 335.1 335.4 294.3 340.1 1.40 19 406 7487 -13.7 -18.7 66 5.0 -15.4 86 13 335.7 336.2 295.1 343.4 2.15 20 400 7600 -14.3 -24.3 42 10.0 -17.2 85 13 336.4 336.7 294.6 341.3 1.34 21 382 7948 -16.9 -20.2 76 3.3 -18.0 84 13 337.4 337.9 295.4 344.6 2.01 22 356 8475 -20.1 -27.1 54 7.0 -21.9 91 14 340.0 340.3 295.4 344.3 1.17 23 342 8771 -22.9 -26.3 74 3.4 -23.8 95 14 340.1 340.4 295.5 344.9 1.31 24 339 8835 -23.1 -33.1 40 10.0 -25.1 96 15 340.7 340.9 295.1 343.4 0.69 25 310 9485 -27.9 -31.5 71 3.6 -28.6 97 16 342.8 343.0 295.8 346.2 0.89 26 306 9578 -28.7 -35.7 51 7.0 -29.9 96 16 343.0 343.1 295.6 345.3 0.60 27 305 9602 -28.7 -31.2 79 2.5 -29.2 96 17 343.3 343.5 295.9 346.8 0.93 28 300 9720 -29.7 -32.3 78 2.6 -30.2 95 17 343.5 343.7 295.9 346.8 0.85 29 294 9863 -31.1 -32.2 90 1.1 -31.3 96 17 343.5 343.7 295.9 346.8 0.87 30 292 9911 -31.3 -35.4 67 4.1 -32.0 96 17 343.9 344.0 295.8 346.4 0.64 31 289 9984 -31.5 -32.8 88 1.3 -31.7 96 18 344.6 344.8 296.1 347.9 0.84 32 275 10333 -34.5 -39.1 63 4.6 -35.1 98 18 345.2 345.3 296.0 347.1 0.47 33 271 10435 -35.3 -37.5 80 2.2 -35.6 99 18 345.5 345.6 296.1 347.7 0.56 34 267 10538 -36.1 -42.1 54 6.0 -36.8 99 19 345.8 345.9 296.0 347.2 0.35 35 258 10774 -38.1 -42.1 66 4.0 -38.5 97 19 346.3 346.4 296.1 347.8 0.37 36 257 10801 -38.1 -40.6 77 2.5 -38.4 96 19 346.7 346.8 296.3 348.4 0.43 37 251 10963 -38.9 -42.3 70 3.4 -39.2 91 18 347.8 347.9 296.5 349.3 0.37 38 250 10990 -39.1 -42.0 74 2.9 -39.4 90 18 347.9 348.0 296.5 349.5 0.38 39 231 11528 -43.9 -46.1 79 2.2 -44.0 97 19 348.6 348.6 296.5 349.7 0.27 40 200 12480 -52.3 -55.8 66 3.5 -52.4 120 22 349.9 350.0 296.7 350.4 0.10 41 165 13692 -63.3 -69.3 44 6.0 -63.4 105 17 351.3 351.3 297.0 351.4 0.02 42 155 14073 -67.1 -71.9 51 4.8 -67.1 121 13 351.2 351.2 296.9 351.3 0.01 43 150 14270 -68.5 -75.5 36 7.0 -68.5 130 11 352.1 352.1 297.1 352.1 0.01 44 143 14554 -70.9 -79.9 25 9.0 -70.9 130 14 352.7 352.7 297.3 352.8 0.00 45 133 14980 -73.5 -78.5 46 5.0 -73.5 130 19 355.5 355.5 297.8 355.5 0.01 46 111 16024 -78.1 -84.1 37 6.0 -78.1 70 24 365.7 365.8 299.8 365.8 0.00 47 100 16620 -77.5 -83.5 37 6.0 -77.5 85 44 378.0 378.0 301.9 378.0 0.00 48 95 16914 -79.1 -85.1 37 6.0 -79.1 79 41 380.4 380.4 302.3 380.5 0.00 49 82 17754 -78.7 -86.7 26 8.0 -78.7 61 31 397.6 397.6 304.9 397.6 0.00 50 79 17969 -75.5 -86.5 16 11.0 -75.6 57 29 408.5 408.5 306.3 408.5 0.00 51 70 18670 -76.1 -87.1 16 11.0 -76.2 80 31 421.6 421.6 307.9 421.6 0.00 52 68 18837 -76.7 -87.7 16 11.0 -76.7 90 29 423.8 423.8 308.2 423.8 0.00 53 61 19470 -72.1 -89.1 6 17.0 -72.2 129 23 447.4 447.4 310.6 447.4 0.00 54 59 19665 -73.3 -90.3 6 17.0 -73.4 141 20 449.0 449.0 310.8 449.0 0.00 55 53 20294 -72.7 -90.7 5 18.0 -72.8 103 24 464.4 464.4 312.1 464.4 0.00 56 50 20640 -68.7 -90.7 3 22.0 -68.9 70 27 481.6 481.6 313.6 481.6 0.00 57 42 21700 -62.3 -88.3 2 26.0 -62.8 74 35 522.1 522.1 316.4 522.1 0.00 58 39 22155 -64.7 -89.7 2 25.0 -65.1 78 34 527.2 527.2 316.8 527.2 0.00 59 30 23780 -58.5 -87.5 1 29.0 -59.6 90 46 585.2 585.2 319.9 585.2 0.01 60 27 24449 -54.1 -85.1 1 31.0 -56.0 86 47 615.4 615.4 321.3 615.5 0.01 TRP 111 16024 -78.1 -84.1 37 6.0 -78.1 70 24 365.7 365.8 299.8 365.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 562.29 mb = 4965.09 m = 16289.48 ft Wetbulb zero: 581.09 mb = 4673.74 m = 15333.60 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 83.86 % Est. max temperature: 31.38 C = 88.48 F Sfc-Lift cond lev (LCL): 975.62 mb = 294.21 m = 965.24 ft T: 24.91 C 700-500 lapse rate: 5.38 C/km ThetaE index: 20.15 C Layer 947.0- 752.0 mb Conv cond level (CCL): 891.16 mb = 1094.06 m = 3589.39 ft Mean mixing ratio: 17.68 g/kg Conv temperature: 29.69 C = 85.44 F Cap Strength: 0.99 C Lifted Index: -3.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.70 C Lifted Index @700 mb: -1.60 C Showalter Index: -1.12 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.60 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -1.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1354.88 J/kg Max Up Vert Vel: 52.06 m/s Conv Inhibition (B-): 11.77 J/kg Cap Strength: 0.99 C Lift Cond Lev (LCL): 913.86 mb = 876.05 m = 2874.13 ft Lev Free Conv (LFC): 868.86 mb = 1313.77 m = 4310.22 ft Equ Level (EL): 128.86 mb = 15162.73 m = 49745.88 ft B at Equ Level: 1318.89 J/kg Max Parcel Lev (MPL): 78.86 mb = 17979.16 m = 58986.04 ft Wind level data Storm motion: 133 at 6 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 ---------------------------------------------------------- 0 988 181 0 0 -0.0 -0.0 | 313 6 4.6 -4.4 1 942 610 95 3 -3.0 0.3 | 338 4 1.7 -4.1 2 925 771 80 4 -3.9 -0.7 | 352 5 0.7 -5.1 3 910 914 75 4 -3.9 -1.0 | 352 5 0.8 -5.4 4 850 1504 90 7 -7.0 0.0 | 28 5 -2.4 -4.4 5 848 1524 90 7 -7.0 0.0 | 28 5 -2.4 -4.4 6 789 2134 105 8 -7.7 2.1 | 53 4 -3.1 -2.3 7 708 3048 100 8 -7.9 1.4 | 47 4 -3.2 -3.0 8 700 3148 105 8 -7.7 2.1 | 53 4 -3.1 -2.3 9 657 3658 110 9 -8.5 3.1 | 71 4 -3.8 -1.3 10 587 4572 100 10 -9.8 1.7 | 63 6 -5.2 -2.6 11 566 4877 105 11 -10.6 2.8 | 76 6 -6.0 -1.5 12 525 5486 115 13 -11.8 5.5 | 99 7 -7.1 1.1 13 500 5880 105 13 -12.6 3.4 | 83 8 -7.9 -1.0 14 486 6096 100 13 -12.8 2.3 | 76 8 -8.2 -2.1 15 400 7600 85 13 -13.0 -1.1 | 56 10 -8.3 -5.5 16 399 7620 80 13 -12.8 -2.3 | 51 11 -8.2 -6.6 17 324 9144 100 15 -14.8 2.6 | 80 10 -10.1 -1.8 18 300 9720 95 17 -16.9 1.5 | 77 13 -12.3 -2.9 19 262 10668 100 19 -18.7 3.3 | 86 14 -14.1 -1.1 20 250 10990 90 18 -18.0 0.0 | 72 14 -13.4 -4.4 21 209 12192 105 20 -19.3 5.2 | 93 15 -14.7 0.8 22 200 12480 120 22 -19.1 11.0 | 115 16 -14.4 6.6 23 164 13716 105 17 -16.4 4.4 | 90 12 -11.8 0.0 24 150 14270 130 11 -8.4 7.1 | 126 5 -3.8 2.7 25 127 15240 130 22 -16.9 14.1 | 129 16 -12.2 9.8 26 111 16024 70 24 -22.6 -8.2 | 55 22 -17.9 -12.6 27 103 16459 85 28 -27.9 -2.4 | 74 24 -23.2 -6.8 28 100 16620 85 44 -43.8 -3.8 | 78 40 -39.2 -8.2 29 75 18288 50 25 -19.2 -16.1 | 35 25 -14.5 -20.4 30 70 18670 80 31 -30.5 -5.4 | 69 28 -25.9 -9.7 31 58 19812 150 19 -9.5 16.5 | 158 13 -4.9 12.1 32 50 20640 70 27 -25.4 -9.2 | 57 25 -20.7 -13.6 33 45 21336 70 35 -32.9 -12.0 | 60 33 -28.2 -16.3 34 35 22860 85 34 -33.9 -3.0 | 76 30 -29.2 -7.3 35 30 23780 90 46 -46.0 0.0 | 84 42 -41.4 -4.4 36 26 24384 85 48 -47.8 -4.2 | 79 44 -43.2 -8.5 37 24 24689 75 53 -51.2 -13.7 | 69 50 -46.5 -18.1 Wind Parameters Mean winds (0-6000m): 103.2 at 8.5 knts Storm direction: 133.2 at 6.4 knts Shear (0-3000m) pos: 1.1 neg: 0.4 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 101.3 deg Storm rel helicity (0-3000m) pos: 13.0 neg: -0.4 tot: 12.6 m^2/s^2 ave: 4.2 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.6 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 222.49 Bulk Shear: 6.09 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 94 2 326 5| 3.5 0.0 3.5| 5.1 0.0 5.1 10.1 0.76| 4.4 3.3 1000 83 3 341 5| 1.8 1.0 2.8| 7.8 -0.0 7.8 7.8 0.78| 3.5 2.7 1500 87 4 355 5| 1.9 0.7 2.6| 10.9 -0.0 10.9 7.2 0.83| 3.1 2.6 2000 92 5 6 4| 1.7 0.5 2.2| 12.5 -0.0 12.5 6.2 0.83| 2.8 2.3 2500 95 6 15 4| 1.3 0.5 1.8| 12.5 -0.3 12.2 4.9 0.78| 2.3 1.8 3000 97 6 21 4| 1.1 0.4 1.5| 13.0 -0.4 12.6 4.2 0.75| 2.1 1.6 4000 100 7 33 4| 1.0 0.4 1.4| 14.2 -0.9 13.3 3.3 0.69| 1.8 1.3 5000 101 8 44 4| 1.0 0.4 1.4| 18.5 -1.3 17.2 3.4 0.68| 1.8 1.3 6000 103 9 56 4| 0.9 0.5 1.4| 20.9 -8.2 12.7 2.1 0.44| 2.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251012.00.gif