UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 9 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 1010 4 25.0 23.3 90 1.7 23.8 0 0 297.3 300.6 296.6 349.8 18.11 1 1000 93 24.0 23.5 97 0.5 23.6 305 3 297.1 300.5 296.8 350.8 18.53 2 948 561 22.6 22.3 98 0.3 22.4 303 11 300.3 303.6 297.4 353.6 18.17 3 925 776 21.8 20.6 93 1.2 20.9 320 13 301.6 304.7 296.8 350.9 16.74 4 850 1509 18.2 15.4 84 2.8 16.3 25 13 305.2 307.6 295.3 344.2 13.06 5 779 2253 14.2 11.7 85 2.5 12.6 64 12 308.6 310.7 294.9 342.5 11.16 6 728 2824 12.8 2.8 51 10.0 7.1 61 13 313.1 314.4 292.6 333.3 6.44 7 700 3153 10.0 4.0 66 6.0 6.5 60 13 313.6 315.0 293.4 336.4 7.30 8 671 3503 8.6 -5.4 37 14.0 1.8 70 13 315.8 316.5 291.2 328.1 3.81 9 633 3982 5.8 -6.2 42 12.0 0.0 75 14 317.9 318.7 291.8 330.3 3.80 10 623 4112 4.6 -1.4 65 6.0 1.4 75 14 318.0 319.1 293.3 335.8 5.55 11 618 4177 4.6 -7.4 41 12.0 -1.0 75 14 318.7 319.4 291.8 330.3 3.55 12 605 4350 4.2 -9.8 35 14.0 -2.0 75 14 320.2 320.8 291.7 330.1 3.00 13 582 4664 1.8 -13.2 32 15.0 -4.3 76 15 321.0 321.4 291.4 328.9 2.37 14 562 4944 -0.5 -9.5 51 9.0 -4.5 79 16 321.5 322.1 292.4 332.4 3.31 15 554 5058 -1.1 -9.1 55 8.0 -4.7 77 17 322.1 322.8 292.7 333.6 3.47 16 536 5321 -2.1 -16.1 33 14.0 -7.4 73 19 324.0 324.4 292.0 330.9 2.03 17 526 5470 -3.5 -9.5 63 6.0 -6.1 70 20 324.0 324.7 293.3 335.8 3.54 18 523 5515 -3.7 -9.7 63 6.0 -6.4 71 20 324.3 325.0 293.3 336.0 3.50 19 520 5561 -3.5 -17.5 33 14.0 -8.6 73 20 325.1 325.5 292.1 331.5 1.86 20 515 5637 -3.9 -13.9 46 10.0 -7.9 78 20 325.5 326.0 292.8 334.1 2.54 21 507 5760 -4.1 -22.1 23 18.0 -9.9 84 21 326.7 327.0 292.0 331.3 1.28 22 500 5870 -4.3 -28.3 13 24.0 -11.0 90 21 327.8 327.9 291.9 330.5 0.74 23 499 5886 -4.5 -29.5 12 25.0 -11.2 90 21 327.7 327.9 291.7 330.2 0.66 24 492 5997 -4.7 -21.7 25 17.0 -10.3 93 20 328.8 329.1 292.7 333.7 1.37 25 470 6355 -7.5 -14.5 57 7.0 -10.2 93 21 329.7 330.2 294.0 338.8 2.65 26 429 7059 -12.9 -19.9 56 7.0 -15.2 89 22 331.5 331.9 293.8 338.0 1.84 27 426 7113 -13.1 -23.1 43 10.0 -16.1 88 22 331.9 332.2 293.6 336.9 1.40 28 400 7590 -16.3 -24.3 50 8.0 -18.6 85 23 333.8 334.1 294.0 338.6 1.34 29 396 7666 -16.5 -21.3 66 4.8 -18.0 85 22 334.5 334.9 294.5 340.8 1.76 30 367 8234 -20.1 -28.1 49 8.0 -22.0 85 24 337.1 337.3 294.6 340.9 1.03 31 318 9282 -27.1 -27.9 93 0.8 -27.3 87 25 341.5 341.7 295.7 346.0 1.21 32 306 9559 -28.9 -31.0 82 2.1 -29.3 92 22 342.7 342.9 295.8 346.3 0.94 33 300 9700 -29.9 -32.8 76 2.9 -30.4 95 20 343.2 343.4 295.8 346.3 0.81 34 250 10970 -40.1 -43.9 67 3.8 -40.5 85 22 346.4 346.5 296.1 347.7 0.31 35 240 11247 -42.5 -47.0 61 4.5 -42.8 85 23 346.9 347.0 296.1 347.9 0.23 36 220 11829 -47.7 -50.2 75 2.5 -47.9 85 25 347.6 347.7 296.3 348.4 0.18 37 209 12165 -50.9 -55.3 59 4.4 -51.1 85 27 347.8 347.8 296.3 348.2 0.10 38 200 12450 -53.3 -56.9 65 3.6 -53.4 80 32 348.4 348.4 296.4 348.7 0.09 39 194 12646 -55.1 -58.6 65 3.5 -55.2 79 32 348.5 348.5 296.4 348.8 0.07 40 171 13441 -62.1 -65.4 64 3.3 -62.1 72 34 349.7 349.7 296.6 349.9 0.03 41 150 14240 -68.7 -73.6 49 4.9 -68.7 60 37 351.7 351.7 297.0 351.8 0.01 42 111 15986 -80.9 -85.5 46 4.6 -80.9 95 49 360.5 360.5 298.8 360.5 0.00 43 100 16580 -75.9 -83.9 27 8.0 -75.9 80 42 381.1 381.1 302.4 381.1 0.00 44 90 17192 -73.9 -84.9 17 11.0 -73.9 87 36 396.7 396.7 304.8 396.7 0.00 45 75 18245 -77.7 -88.7 15 11.0 -77.7 100 26 410.0 410.0 306.5 410.0 0.00 46 75 18245 -73.5 -86.5 12 13.0 -73.6 100 26 418.8 418.8 307.6 418.8 0.00 47 70 18650 -71.9 -88.9 6 17.0 -72.0 70 29 430.6 430.6 308.9 430.6 0.00 48 67 18909 -69.9 -88.9 5 19.0 -70.0 80 29 440.3 440.3 309.9 440.3 0.00 49 57 19872 -69.5 -89.5 4 20.0 -69.6 112 28 462.1 462.1 312.0 462.1 0.00 50 50 20650 -71.1 -91.1 4 20.0 -71.2 75 25 475.9 475.9 313.1 476.0 0.00 51 40 21991 -64.7 -90.7 2 26.0 -65.1 85 39 523.4 523.4 316.5 523.4 0.00 52 38 22308 -60.1 -90.1 1 30.0 -60.9 85 42 542.8 542.8 317.7 542.8 0.00 53 30 23790 -57.9 -87.9 1 30.0 -59.0 85 54 586.8 586.8 320.0 586.8 0.01 54 21 26038 -58.1 -88.1 1 30.0 -59.6 87 83 649.2 649.2 322.7 649.3 0.01 TRP 111 15986 -80.9 -85.5 46 4.6 -80.9 95 49 360.5 360.5 298.8 360.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 566.35 mb = 4883.01 m = 16020.17 ft Wetbulb zero: 620.10 mb = 4149.55 m = 13613.84 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 63.15 % Est. max temperature: 32.43 C = 90.38 F Sfc-Lift cond lev (LCL): 985.72 mb = 219.15 m = 718.98 ft T: 23.62 C 700-500 lapse rate: 5.26 C/km ThetaE index: 20.32 C Layer 925.0- 700.0 mb Conv cond level (CCL): 918.55 mb = 836.61 m = 2744.76 ft Mean mixing ratio: 17.82 g/kg Conv temperature: 29.61 C = 85.30 F Cap Strength: 0.63 C Lifted Index: -1.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.50 C Lifted Index @700 mb: -1.09 C Showalter Index: 0.78 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.70 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.80 Risk: None Energy Index: -2.61 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1031.94 J/kg Max Up Vert Vel: 45.43 m/s Conv Inhibition (B-): 12.77 J/kg Cap Strength: 0.62 C Lift Cond Lev (LCL): 949.85 mb = 544.37 m = 1785.96 ft Lev Free Conv (LFC): 844.85 mb = 1560.86 m = 5120.87 ft Equ Level (EL): 734.85 mb = 2745.34 m = 9006.92 ft B at Equ Level: 37.12 J/kg Max Parcel Lev (MPL): 94.85 mb = 16887.16 m = 55403.38 ft Wind level data Storm motion: 88 at 10 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 1010 4 0 0 -0.0 -0.0 | 268 10 10.4 0.3 1 1000 93 305 3 2.5 -1.7 | 276 13 12.8 -1.4 2 976 305 295 8 7.3 -3.4 | 280 18 17.6 -3.1 3 943 610 305 12 9.8 -6.9 | 288 21 20.2 -6.6 4 925 776 320 13 8.4 -10.0 | 297 21 18.7 -9.6 5 910 914 335 14 5.9 -12.7 | 307 20 16.3 -12.4 6 850 1509 25 13 -5.5 -11.8 | 337 12 4.9 -11.5 7 848 1524 25 13 -5.5 -11.8 | 337 12 4.9 -11.5 8 790 2134 65 12 -10.9 -5.1 | 6 5 -0.5 -4.8 9 709 3048 60 13 -11.3 -6.5 | 8 6 -0.9 -6.2 10 700 3153 60 13 -11.3 -6.5 | 8 6 -0.9 -6.2 11 658 3658 75 13 -12.6 -3.4 | 35 4 -2.2 -3.0 12 587 4572 75 15 -14.5 -3.9 | 49 5 -4.1 -3.6 13 565 4877 80 16 -15.8 -2.8 | 65 6 -5.4 -2.5 14 524 5486 70 20 -18.8 -6.8 | 52 11 -8.4 -6.5 15 500 5870 90 21 -21.0 0.0 | 92 11 -10.6 0.3 16 486 6096 95 20 -19.9 1.7 | 102 10 -9.5 2.1 17 400 7590 85 23 -22.9 -2.0 | 82 13 -12.5 -1.7 18 398 7620 85 22 -21.9 -1.9 | 82 12 -11.5 -1.6 19 324 9144 85 26 -25.9 -2.3 | 83 16 -15.5 -1.9 20 300 9700 95 20 -19.9 1.7 | 102 10 -9.5 2.1 21 261 10668 90 22 -22.0 0.0 | 92 12 -11.6 0.3 22 250 10970 85 22 -21.9 -1.9 | 82 12 -11.5 -1.6 23 208 12192 85 27 -26.9 -2.4 | 83 17 -16.5 -2.0 24 200 12450 80 32 -31.5 -5.6 | 76 22 -21.1 -5.2 25 163 13716 70 35 -32.9 -12.0 | 63 25 -22.5 -11.7 26 150 14240 60 37 -32.0 -18.5 | 50 28 -21.7 -18.2 27 126 15240 65 48 -43.5 -20.3 | 59 39 -33.1 -20.0 28 111 15986 95 49 -48.8 4.3 | 97 39 -38.4 4.6 29 102 16459 85 41 -40.8 -3.6 | 84 31 -30.5 -3.3 30 100 16580 80 42 -41.4 -7.3 | 77 32 -31.0 -7.0 31 75 18288 100 26 -25.6 4.5 | 108 16 -15.2 4.8 32 70 18650 70 29 -27.3 -9.9 | 60 19 -16.9 -9.6 33 58 19812 115 28 -25.4 11.8 | 129 19 -15.0 12.2 34 50 20650 75 25 -24.1 -6.5 | 66 15 -13.8 -6.2 35 45 21336 85 34 -33.9 -3.0 | 84 24 -23.5 -2.6 36 35 22860 85 46 -45.8 -4.0 | 84 36 -35.4 -3.7 37 30 23790 85 54 -53.8 -4.7 | 84 44 -43.4 -4.4 38 26 24384 90 60 -60.0 0.0 | 90 50 -49.6 0.3 39 18 25908 85 100 -99.6 -8.7 | 85 90 -89.2 -8.4 40 15 26518 90 99 -99.0 0.0 | 90 89 -88.6 0.3 Wind Parameters Mean winds (0-6000m): 58.2 at 13.9 knts Storm direction: 88.2 at 10.4 knts Shear (0-3000m) pos: 3.4 neg: 1.9 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 110.6 neg: 0.0 tot: 110.6 m^2/s^2 ave: 36.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.4 10^-3/s Energy-Hel index: 0.70 Bulk Rich Number: 24.50 Bulk Shear: 42.13 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 ------------------------------------------------------------------------------- 500 299 6 280 16| 0.0 10.9 10.9| 17.2 0.0 17.2 34.5 0.39| 11.2 4.4 1000 313 10 290 18| 4.7 5.5 10.1| 69.9 0.0 69.9 69.9 0.65| 11.0 7.1 1500 333 11 301 18| 5.4 3.6 9.0|100.2 0.0 100.2 66.8 0.67| 10.7 7.2 2000 352 11 312 16| 5.0 2.7 7.7|109.2 0.0 109.2 54.6 0.64| 9.8 6.3 2500 8 11 322 14| 4.1 2.2 6.3|110.5 0.0 110.5 44.2 0.62| 8.3 5.2 3000 21 12 330 12| 3.4 1.9 5.3|110.6 0.0 110.6 36.9 0.61| 7.1 4.4 4000 38 12 342 10| 2.9 1.4 4.3|114.1 0.0 114.1 28.5 0.62| 5.8 3.6 5000 50 13 355 8| 2.5 1.1 3.6|117.1 -0.5 116.7 23.3 0.61| 5.1 3.1 6000 58 14 11 7| 2.4 0.9 3.3|139.1 -3.2 135.8 22.6 0.60| 5.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251009.00.gif