UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 10 OCT 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 4 25.0 23.0 89 2.0 23.6 40 4 297.5 300.7 296.4 349.1 17.82 1 1000 75 24.6 22.9 90 1.7 23.4 40 6 297.8 301.0 296.5 349.6 17.85 2 980 253 25.6 20.8 75 4.8 22.2 40 8 300.5 303.4 296.0 347.3 15.98 3 936 658 24.6 19.6 74 5.0 21.1 55 4 303.4 306.3 296.5 349.5 15.52 4 925 762 23.6 18.7 74 4.9 20.2 55 3 303.4 306.2 296.1 347.5 14.83 5 850 1497 18.2 15.9 86 2.3 16.7 55 4 305.2 307.7 295.6 345.5 13.49 6 731 2776 10.4 9.4 94 1.0 9.7 73 8 310.1 312.1 294.6 341.3 10.19 7 703 3101 8.6 7.0 90 1.6 7.6 65 8 311.6 313.3 294.1 339.3 8.98 8 700 3137 8.8 6.8 87 2.0 7.6 65 8 312.2 313.9 294.3 339.7 8.90 9 694 3208 9.6 5.6 76 4.0 7.2 64 8 313.9 315.5 294.2 339.6 8.25 10 581 4659 0.4 -3.3 76 3.7 -1.5 74 10 319.5 320.5 293.4 336.2 5.17 11 574 4756 0.2 -6.8 59 7.0 -3.1 72 9 320.4 321.2 292.6 333.5 4.00 12 549 5112 -1.9 -5.8 75 3.9 -3.8 66 9 322.0 322.9 293.5 336.8 4.52 13 537 5287 -2.3 -11.3 50 9.0 -6.1 63 11 323.6 324.2 292.7 333.6 3.00 14 523 5497 -3.9 -11.9 54 8.0 -7.2 60 12 324.1 324.7 292.8 333.9 2.94 15 517 5587 -4.9 -8.0 79 3.1 -6.3 61 12 324.0 324.8 293.7 337.4 4.05 16 515 5618 -4.9 -11.9 58 7.0 -7.8 62 12 324.3 324.9 292.9 334.3 2.98 17 503 5803 -5.9 -16.9 41 11.0 -9.9 64 11 325.3 325.7 292.3 332.2 2.02 18 500 5850 -6.3 -16.3 45 10.0 -10.0 65 11 325.4 325.8 292.4 332.7 2.14 19 487 6056 -7.9 -13.9 62 6.0 -10.2 65 11 325.9 326.4 293.0 334.9 2.68 20 477 6217 -7.3 -25.3 22 18.0 -12.6 66 11 328.5 328.7 292.3 332.2 1.02 21 436 6914 -10.9 -24.9 31 14.0 -15.0 70 10 332.5 332.8 293.5 336.7 1.16 22 411 7365 -14.7 -17.0 83 2.3 -15.5 74 10 333.3 333.8 294.8 341.9 2.46 23 408 7420 -14.9 -16.8 85 1.9 -15.6 74 10 333.7 334.2 294.9 342.5 2.52 24 402 7532 -15.1 -26.1 39 11.0 -18.1 75 10 334.9 335.1 294.1 339.0 1.13 25 400 7570 -15.3 -25.3 42 10.0 -18.1 75 10 335.1 335.4 294.2 339.6 1.22 26 384 7879 -16.5 -25.5 46 9.0 -19.0 77 10 337.5 337.7 294.8 342.0 1.25 27 358 8403 -21.1 -23.2 83 2.1 -21.7 80 8 338.1 338.5 295.3 344.1 1.65 28 343 8719 -22.3 -28.3 58 6.0 -23.7 82 8 340.7 340.9 295.4 344.7 1.08 29 331 8980 -24.7 -28.9 68 4.2 -25.6 84 7 340.9 341.1 295.5 344.8 1.06 30 323 9158 -26.1 -38.1 31 12.0 -28.0 85 7 341.3 341.4 295.0 343.0 0.44 31 316 9317 -27.3 -30.1 77 2.8 -27.9 85 7 341.8 342.0 295.6 345.5 0.99 32 300 9690 -29.7 -35.7 56 6.0 -30.7 85 8 343.5 343.6 295.7 345.9 0.61 33 297 9761 -30.1 -36.1 56 6.0 -31.0 86 8 343.9 344.1 295.8 346.2 0.59 34 279 10202 -34.1 -42.1 44 8.0 -35.0 90 8 344.4 344.5 295.7 345.7 0.34 35 270 10430 -36.1 -41.1 60 5.0 -36.7 93 8 344.7 344.8 295.8 346.3 0.39 36 268 10482 -36.3 -40.9 62 4.6 -36.8 93 8 345.2 345.2 295.9 346.8 0.40 37 263 10612 -37.3 -45.3 43 8.0 -38.1 94 8 345.6 345.6 295.8 346.6 0.25 38 258 10744 -38.1 -43.0 60 4.9 -38.6 99 8 346.3 346.4 296.1 347.6 0.33 39 255 10825 -38.7 -48.7 34 10.0 -39.5 103 9 346.6 346.6 296.0 347.3 0.18 40 250 10960 -39.9 -46.9 47 7.0 -40.5 110 10 346.7 346.8 296.1 347.7 0.22 41 235 11378 -43.7 -49.7 51 6.0 -44.1 120 11 347.2 347.2 296.2 347.9 0.17 42 200 12440 -52.3 -67.3 15 15.0 -52.6 135 17 349.9 350.0 296.7 350.0 0.02 43 189 12802 -55.7 -67.7 21 12.0 -55.9 134 18 350.2 350.2 296.7 350.3 0.02 44 182 13041 -57.7 -60.8 68 3.1 -57.8 133 19 350.7 350.7 296.8 351.0 0.06 45 176 13251 -59.7 -62.3 72 2.6 -59.7 132 19 350.8 350.8 296.8 351.0 0.05 46 169 13503 -61.7 -64.2 72 2.5 -61.7 131 20 351.6 351.6 297.0 351.8 0.04 47 150 14230 -67.9 -73.9 42 6.0 -67.9 115 15 353.1 353.1 297.3 353.2 0.01 48 134 14899 -72.7 -82.7 21 10.0 -72.8 102 20 356.2 356.2 298.0 356.2 0.00 49 116 15730 -79.7 -83.9 50 4.2 -79.7 101 27 358.2 358.2 298.4 358.2 0.00 50 110 16029 -81.3 -85.4 50 4.1 -81.3 105 31 360.7 360.7 298.8 360.7 0.00 51 104 16346 -77.7 -83.7 37 6.0 -77.7 105 29 373.4 373.4 301.2 373.4 0.00 52 100 16570 -78.9 -83.9 44 5.0 -78.9 90 35 375.3 375.3 301.5 375.3 0.00 53 93 16986 -76.3 -86.3 19 10.0 -76.3 85 33 388.3 388.3 303.5 388.3 0.00 54 77 18080 -74.9 -87.9 12 13.0 -74.9 72 27 412.7 412.7 306.9 412.8 0.00 55 71 18556 -70.7 -89.7 4 19.0 -70.8 116 42 431.4 431.4 309.0 431.4 0.00 56 70 18640 -71.9 -89.9 5 18.0 -72.0 130 47 430.6 430.6 308.9 430.6 0.00 57 68 18810 -72.9 -89.9 6 17.0 -73.0 137 45 432.0 432.0 309.0 432.0 0.00 58 61 19456 -67.9 -90.9 2 23.0 -68.1 165 38 456.8 456.8 311.5 456.8 0.00 59 54 20184 -70.1 -91.1 3 21.0 -70.2 202 28 467.9 467.9 312.4 467.9 0.00 TRP 110 16029 -81.3 -85.4 50 4.1 -81.3 105 31 360.7 360.7 298.8 360.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 571.62 mb = 4789.75 m = 15714.20 ft Wetbulb zero: 600.59 mb = 4387.97 m = 14396.04 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 77.33 % Est. max temperature: 32.57 C = 90.62 F Sfc-Lift cond lev (LCL): 979.46 mb = 257.99 m = 846.40 ft T: 25.59 C 700-500 lapse rate: 5.57 C/km ThetaE index: 10.19 C Layer 925.0- 700.0 mb Conv cond level (CCL): 854.10 mb = 1455.16 m = 4774.08 ft Mean mixing ratio: 15.88 g/kg Conv temperature: 32.66 C = 90.79 F Cap Strength: 2.43 C Lifted Index: -2.75 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.42 C Lifted Index @700 mb: -1.36 C Showalter Index: -1.69 C Risk: Thunderstorms probable Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 22.20 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 209.80 Risk: None Energy Index: -2.53 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 445.87 J/kg Max Up Vert Vel: 29.86 m/s Conv Inhibition (B-): 62.95 J/kg Cap Strength: 2.43 C Lift Cond Lev (LCL): 899.14 mb = 1008.52 m = 3308.76 ft Lev Free Conv (LFC): 794.14 mb = 2073.49 m = 6802.71 ft Equ Level (EL): 254.14 mb = 10847.80 m = 35589.47 ft B at Equ Level: 445.34 J/kg Max Parcel Lev (MPL): 124.14 mb = 15339.27 m = 50325.09 ft Wind level data Storm motion: 95 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 1008 4 40 4 -2.6 -3.1 | 319 5 3.1 -3.6 1 1000 75 40 6 -3.9 -4.6 | 341 5 1.8 -5.1 2 974 305 40 9 -5.8 -6.9 | 1 7 -0.1 -7.4 3 941 610 55 4 -3.3 -2.3 | 320 4 2.4 -2.8 4 925 762 55 3 -2.5 -1.7 | 305 4 3.2 -2.2 5 909 914 35 3 -1.7 -2.5 | 307 5 3.9 -3.0 6 850 1497 55 4 -3.3 -2.3 | 320 4 2.4 -2.8 7 847 1524 55 4 -3.3 -2.3 | 320 4 2.4 -2.8 8 788 2134 90 7 -7.0 0.0 | 69 1 -1.3 -0.5 9 707 3048 65 9 -8.2 -3.8 | 30 5 -2.5 -4.3 10 700 3137 65 8 -7.3 -3.4 | 22 4 -1.6 -3.9 11 656 3658 60 7 -6.1 -3.5 | 6 4 -0.4 -4.0 12 586 4572 75 10 -9.7 -2.6 | 52 5 -4.0 -3.1 13 564 4877 70 8 -7.5 -2.7 | 30 4 -1.9 -3.2 14 523 5486 60 12 -10.4 -6.0 | 36 8 -4.7 -6.5 15 500 5850 65 11 -10.0 -4.6 | 40 7 -4.3 -5.2 16 484 6096 65 11 -10.0 -4.6 | 40 7 -4.3 -5.2 17 400 7570 75 10 -9.7 -2.6 | 52 5 -4.0 -3.1 18 397 7620 75 10 -9.7 -2.6 | 52 5 -4.0 -3.1 19 323 9144 85 7 -7.0 -0.6 | 50 2 -1.3 -1.1 20 300 9690 85 8 -8.0 -0.7 | 63 3 -2.3 -1.2 21 261 10668 95 8 -8.0 0.7 | 95 2 -2.3 0.2 22 250 10960 110 10 -9.4 3.4 | 128 5 -3.7 2.9 23 208 12192 140 13 -8.4 10.0 | 164 10 -2.7 9.4 24 200 12440 135 17 -12.0 12.0 | 151 13 -6.4 11.5 25 163 13716 130 21 -16.1 13.5 | 141 17 -10.4 13.0 26 150 14230 115 15 -13.6 6.3 | 126 10 -7.9 5.8 27 126 15240 95 22 -21.9 1.9 | 95 16 -16.3 1.4 28 110 16029 105 31 -29.9 8.0 | 107 25 -24.3 7.5 29 102 16459 105 28 -27.0 7.2 | 107 22 -21.4 6.7 30 100 16570 90 35 -35.0 0.0 | 89 29 -29.3 -0.5 31 74 18288 70 26 -24.4 -8.9 | 63 21 -18.8 -9.4 32 70 18640 130 47 -36.0 30.2 | 134 42 -30.4 29.7 33 55 19812 190 31 5.4 30.5 | 200 32 11.0 30.0 34 49 20422 255 14 13.5 3.6 | 261 19 19.2 3.1 Wind Parameters Mean winds (0-6000m): 65.2 at 7.6 knts Storm direction: 95.2 at 5.7 knts Shear (0-3000m) pos: 1.1 neg: 0.3 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 72.1 deg Storm rel helicity (0-3000m) pos: 9.4 neg: -6.5 tot: 2.9 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 366.88 Bulk Shear: 1.22 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 42 7 351 6| 2.0 0.0 2.0| 6.1 -2.5 3.6 7.3 0.28| 8.8 2.5 1000 43 5 336 5| 1.0 1.4 2.4| 6.4 -5.1 1.3 1.3 0.01| 6.3 0.0 1500 45 5 329 5| 1.1 0.9 2.0| 7.3 -5.1 2.2 1.5 0.07| 4.7 0.3 2000 52 5 332 4| 1.6 0.7 2.3| 9.0 -5.1 3.9 1.9 0.21| 4.4 0.9 2500 61 5 342 3| 1.3 0.3 1.5| 9.4 -5.5 3.9 1.6 0.20| 4.0 0.8 3000 64 6 352 3| 1.1 0.3 1.4| 9.4 -6.5 2.9 1.0 0.13| 3.7 0.5 4000 64 6 0 3| 0.9 0.4 1.3| 10.7 -8.5 2.2 0.5 0.09| 3.2 0.3 5000 66 7 10 3| 1.0 0.4 1.4| 13.4 -10.2 3.2 0.6 0.10| 3.1 0.3 6000 65 8 18 4| 0.8 0.4 1.2| 14.7 -10.2 4.5 0.7 0.11| 3.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251010.00.gif