UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 10 DEC 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 1011 4 20.0 19.0 94 1.0 19.4 60 5 292.2 294.7 292.1 331.3 13.80 1 1000 100 22.2 16.2 69 6.0 18.2 30 17 295.4 297.4 291.4 328.8 11.66 2 982 258 21.6 15.6 69 6.0 17.7 30 19 296.3 298.3 291.5 329.2 11.42 3 970 365 23.4 14.4 57 9.0 17.5 33 18 299.1 301.1 291.8 330.4 10.69 4 925 779 21.2 13.2 60 8.0 16.0 55 10 301.0 302.9 292.1 331.5 10.36 5 850 1508 16.6 9.6 63 7.0 12.3 135 2 303.5 305.2 291.7 330.0 8.86 6 836 1649 16.2 7.2 55 9.0 10.9 130 4 304.6 306.0 291.0 327.6 7.64 7 781 2225 12.6 10.6 88 2.0 11.3 109 12 306.7 308.6 293.8 337.8 10.34 8 737 2710 10.2 7.0 81 3.2 8.3 104 11 309.2 310.8 293.2 335.4 8.56 9 730 2790 10.6 1.6 54 9.0 5.6 103 11 310.5 311.6 291.3 328.8 5.89 10 701 3127 8.8 -3.2 43 12.0 2.8 96 9 312.1 312.9 290.5 325.7 4.31 11 700 3139 8.8 -2.2 46 11.0 3.2 95 9 312.2 313.1 290.8 326.9 4.65 12 696 3186 8.2 5.6 84 2.6 6.6 91 9 312.1 313.6 293.7 337.5 8.23 13 693 3222 8.4 3.7 72 4.7 5.7 89 9 312.7 314.1 293.1 335.2 7.22 14 690 3258 9.4 -13.6 18 23.0 0.0 86 9 314.2 314.6 288.9 320.6 1.94 15 685 3318 9.0 -1.0 49 10.0 3.7 81 9 314.4 315.4 291.9 330.8 5.19 16 682 3354 9.4 -16.6 14 26.0 -0.6 79 9 315.2 315.5 288.8 320.4 1.53 17 680 3379 9.6 -22.4 9 32.0 -1.4 77 9 315.7 315.9 288.4 318.9 0.93 18 615 4205 5.0 -38.0 3 43.0 -5.4 55 9 319.6 319.7 288.9 320.5 0.23 19 604 4352 4.0 -9.0 38 13.0 -1.9 55 9 320.1 320.8 291.9 330.7 3.20 20 602 4378 3.6 -1.2 71 4.8 1.0 55 10 320.0 321.1 294.0 338.8 5.83 21 598 4433 3.0 -1.4 73 4.4 0.7 55 10 319.9 321.0 294.0 338.5 5.78 22 500 5860 -5.1 -8.5 77 3.4 -6.7 70 15 326.8 327.6 294.4 340.3 4.03 23 495 5939 -5.7 -9.3 76 3.6 -7.3 72 15 327.0 327.8 294.3 339.9 3.82 24 423 7163 -12.7 -14.8 84 2.1 -13.5 82 9 333.1 333.7 295.1 343.1 2.87 25 400 7590 -14.7 -22.7 51 8.0 -17.1 85 6 335.9 336.2 294.7 341.4 1.54 26 390 7781 -14.1 -30.1 24 16.0 -18.1 71 6 339.1 339.3 294.8 342.1 0.80 27 379 7997 -14.9 -32.9 20 18.0 -19.1 65 6 340.8 341.0 295.1 343.3 0.63 28 322 9202 -25.5 -38.5 29 13.0 -27.6 41 2 342.4 342.5 295.3 344.1 0.43 29 300 9710 -29.3 -41.3 30 12.0 -30.9 110 7 344.1 344.2 295.6 345.4 0.34 30 269 10483 -35.9 -44.9 39 9.0 -36.8 122 6 345.4 345.4 295.8 346.4 0.26 31 250 10990 -40.7 -45.6 59 4.9 -41.1 145 7 345.6 345.6 295.9 346.6 0.26 32 211 12115 -50.9 -52.1 87 1.2 -51.0 145 11 346.8 346.8 296.1 347.4 0.15 33 203 12364 -52.7 -56.9 60 4.2 -52.8 139 12 347.8 347.8 296.3 348.2 0.09 34 200 12460 -53.7 -56.7 70 3.0 -53.8 135 13 347.7 347.7 296.2 348.1 0.09 35 186 12923 -57.5 -62.5 53 5.0 -57.6 130 14 348.9 348.9 296.4 349.1 0.05 36 183 13025 -58.3 -68.3 27 10.0 -58.5 128 15 349.2 349.2 296.5 349.3 0.02 37 177 13235 -59.7 -64.2 56 4.5 -59.8 126 15 350.2 350.3 296.7 350.4 0.04 38 170 13486 -62.1 -66.4 56 4.3 -62.1 123 16 350.3 350.3 296.7 350.5 0.03 39 154 14091 -66.5 -78.5 17 12.0 -66.6 120 21 352.9 352.9 297.3 352.9 0.01 40 150 14250 -67.5 -78.5 19 11.0 -67.5 120 23 353.8 353.8 297.4 353.8 0.01 41 129 15140 -74.5 -80.5 39 6.0 -74.5 138 30 356.8 356.8 298.1 356.8 0.00 42 108 16158 -79.5 -90.5 15 11.0 -79.5 118 22 366.0 366.0 299.8 366.0 0.00 43 100 16590 -82.7 -90.7 24 8.0 -82.7 105 19 367.9 367.9 300.2 367.9 0.00 44 89 17237 -85.3 -92.3 27 7.0 -85.3 90 17 375.2 375.2 301.5 375.2 0.00 45 78 17973 -80.1 -90.1 17 10.0 -80.1 79 18 400.4 400.4 305.3 400.4 0.00 46 70 18580 -83.9 -90.9 28 7.0 -83.9 100 34 404.9 404.9 305.9 404.9 0.00 47 69 18660 -83.9 -90.9 28 7.0 -83.9 101 34 406.6 406.6 306.0 406.6 0.00 48 62 19259 -80.1 -90.1 17 10.0 -80.1 106 33 427.6 427.6 308.6 427.6 0.00 TRP 89 17237 -85.3 -92.3 27 7.0 -85.3 90 17 375.2 375.2 301.5 375.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 561.70 mb = 4961.21 m = 16276.74 ft Wetbulb zero: 682.43 mb = 3349.11 m = 10987.77 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 57.67 % Est. max temperature: 30.95 C = 87.71 F Sfc-Lift cond lev (LCL): 996.53 mb = 130.25 m = 427.34 ft T: 22.09 C 700-500 lapse rate: 5.11 C/km ThetaE index: 12.14 C Layer 737.0- 700.0 mb Conv cond level (CCL): 747.83 mb = 2588.37 m = 8491.94 ft Mean mixing ratio: 10.95 g/kg Conv temperature: 36.38 C = 97.48 F Cap Strength: 6.36 C Lifted Index: 5.90 C Risk: None Lifted Index @300 mb: 10.67 C Lifted Index @700 mb: 4.33 C Showalter Index: 6.13 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 14.70 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 134.20 Risk: None Energy Index: 2.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.60 J/kg Max Up Vert Vel: 8.07 m/s Conv Inhibition (B-): 8857.93 J/kg Cap Strength: 6.33 C Lift Cond Lev (LCL): 861.79 mb = 1389.23 m = 4557.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 100 at 7 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 1011 4 60 5 -4.3 -2.5 | 322 5 3.0 -3.8 1 1000 100 30 17 -8.5 -14.7 | 4 16 -1.1 -16.1 2 977 305 30 19 -9.5 -16.5 | 7 18 -2.1 -17.8 3 943 610 45 14 -9.9 -9.9 | 13 12 -2.5 -11.2 4 925 779 55 10 -8.2 -5.7 | 7 7 -0.8 -7.1 5 911 914 65 8 -7.3 -3.4 | 359 5 0.1 -4.7 6 850 1508 135 2 -1.4 1.4 | 269 6 5.9 0.1 7 848 1524 135 2 -1.4 1.4 | 269 6 5.9 0.1 8 789 2134 110 12 -11.3 4.1 | 125 5 -3.9 2.8 9 708 3048 100 10 -9.8 1.7 | 99 3 -2.5 0.4 10 700 3139 95 9 -9.0 0.8 | 71 2 -1.6 -0.5 11 657 3658 55 8 -6.6 -4.6 | 352 6 0.8 -5.9 12 586 4572 55 10 -8.2 -5.7 | 7 7 -0.8 -7.1 13 565 4877 60 9 -7.8 -4.5 | 4 6 -0.4 -5.8 14 524 5486 70 11 -10.3 -3.8 | 30 6 -3.0 -5.1 15 500 5860 70 15 -14.1 -5.1 | 46 9 -6.7 -6.5 16 485 6096 75 15 -14.5 -3.9 | 54 9 -7.1 -5.2 17 400 7590 85 6 -6.0 -0.5 | 323 2 1.4 -1.9 18 398 7620 75 7 -6.8 -1.8 | 349 3 0.6 -3.1 19 324 9144 35 2 -1.1 -1.6 | 296 7 6.2 -3.0 20 300 9710 110 7 -6.6 2.4 | 216 1 0.8 1.1 21 262 10668 125 6 -4.9 3.4 | 229 3 2.4 2.1 22 250 10990 145 7 -4.0 5.7 | 217 6 3.3 4.4 23 208 12192 145 11 -6.3 9.0 | 188 8 1.0 7.7 24 200 12460 135 13 -9.2 9.2 | 167 8 -1.8 7.9 25 163 13716 120 17 -14.7 8.5 | 134 10 -7.4 7.2 26 150 14250 120 23 -19.9 11.5 | 129 16 -12.6 10.2 27 126 15240 140 31 -19.9 23.7 | 151 26 -12.6 22.4 28 102 16459 110 19 -17.9 6.5 | 116 12 -10.5 5.2 29 100 16590 105 19 -18.4 4.9 | 108 12 -11.0 3.6 30 89 17237 90 17 -17.0 0.0 | 82 10 -9.6 -1.3 31 74 18288 75 19 -18.4 -4.9 | 60 13 -11.0 -6.2 32 70 18580 100 34 -33.5 5.9 | 100 27 -26.1 4.6 33 58 19507 110 33 -31.0 11.3 | 113 26 -23.7 10.0 Wind Parameters Mean winds (0-6000m): 70.2 at 10.0 knts Storm direction: 100.2 at 7.5 knts Shear (0-3000m) pos: 2.7 neg: 2.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 139.5 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -15.7 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.26 Bulk Shear: 14.44 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 33 16 6 15| 0.0 11.5 11.5| 23.0 0.0 23.0 46.1 0.49| 20.6 10.1 1000 40 14 7 12| 5.6 5.7 11.3| 24.0 -3.7 20.3 20.3 0.26| 15.9 4.1 1500 45 11 1 9| 5.5 3.8 9.3| 24.4 -6.1 18.3 12.2 0.12| 13.0 1.5 2000 55 9 3 7| 4.1 3.8 7.9| 24.4 -12.5 11.9 5.9 -0.06| 11.9 -0.7 2500 68 10 19 5| 3.3 3.5 6.8| 24.4 -15.0 9.4 3.7 -0.10| 10.2 -1.0 3000 76 10 31 4| 2.7 2.9 5.6| 24.4 -15.7 8.6 2.9 -0.12| 8.7 -1.0 4000 75 10 27 4| 2.1 2.5 4.6| 25.3 -20.0 5.3 1.3 -0.18| 7.6 -1.4 5000 71 10 20 5| 1.7 2.1 3.9| 27.7 -20.3 7.4 1.5 -0.15| 6.4 -1.0 6000 70 10 23 5| 1.3 1.8 3.1| 36.7 -20.3 16.4 2.7 -0.06| 5.9 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251210.00.gif