UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050612.upa.cvt Date: 1200Z 6 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 6 MAY 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 1006 4 30.0 26.2 80 3.8 27.1 240 5 302.6 306.6 300.1 367.3 21.75 1 1000 58 27.8 25.2 86 2.6 25.9 190 1 301.0 304.7 299.0 361.7 20.58 2 978 256 26.6 24.8 90 1.8 25.3 174 4 301.7 305.4 299.2 362.4 20.55 3 975 284 27.6 24.7 84 2.9 25.4 172 5 302.9 306.7 299.4 363.9 20.49 4 928 722 23.4 23.4 100 0.0 23.4 172 7 303.0 306.6 299.1 362.0 19.89 5 925 750 23.4 23.3 99 0.1 23.3 170 7 303.2 306.9 299.1 362.2 19.83 6 850 1487 19.6 18.8 95 0.8 19.1 125 11 306.7 309.7 297.8 355.7 16.28 7 709 3036 12.6 7.6 72 5.0 9.5 140 7 315.3 317.1 295.3 344.3 9.28 8 700 3144 12.6 5.6 62 7.0 8.3 145 6 316.4 318.0 294.8 342.2 8.18 9 664 3586 10.6 3.6 62 7.0 6.5 145 7 319.0 320.5 295.0 342.9 7.49 10 571 4826 2.2 -1.3 78 3.5 0.3 83 5 323.2 324.4 295.1 343.1 6.11 11 566 4897 1.8 -0.0 88 1.8 0.8 75 5 323.6 324.9 295.6 345.6 6.78 12 554 5070 1.4 -3.6 69 5.0 -1.2 94 5 325.1 326.1 294.9 342.5 5.30 13 500 5890 -3.3 -7.6 72 4.3 -5.4 145 7 329.0 329.9 295.2 343.6 4.32 14 488 6082 -4.3 -13.3 49 9.0 -8.0 150 7 330.1 330.6 294.3 339.7 2.81 15 479 6228 -5.3 -9.4 73 4.1 -7.2 150 7 330.6 331.4 295.3 343.9 3.92 16 469 6394 -6.5 -16.5 45 10.0 -10.3 151 8 331.1 331.6 294.0 338.9 2.24 17 454 6647 -8.3 -11.4 78 3.1 -9.6 152 8 332.0 332.7 295.3 344.1 3.53 18 437 6942 -9.9 -14.3 70 4.4 -11.6 153 9 333.6 334.2 295.2 343.6 2.89 19 434 6996 -9.9 -22.9 34 13.0 -14.0 153 9 334.2 334.5 294.1 339.3 1.40 20 423 7193 -11.3 -23.3 36 12.0 -15.0 154 10 334.9 335.2 294.3 339.9 1.38 21 418 7284 -12.1 -16.5 70 4.4 -13.7 154 10 335.0 335.5 295.3 343.9 2.52 22 414 7358 -12.3 -21.3 47 9.0 -15.2 154 10 335.7 336.0 294.7 341.7 1.69 23 400 7620 -14.1 -19.1 66 5.0 -15.8 155 11 336.7 337.1 295.3 344.2 2.11 24 389 7830 -15.7 -19.9 70 4.2 -17.1 153 10 337.3 337.7 295.4 344.5 2.03 25 382 7967 -16.3 -25.3 46 9.0 -18.8 152 10 338.2 338.5 295.0 342.9 1.28 26 373 8145 -17.1 -23.1 60 6.0 -18.9 150 9 339.5 339.8 295.6 345.3 1.60 27 364 8328 -18.1 -34.1 23 16.0 -21.5 148 9 340.5 340.6 295.0 342.8 0.59 28 353 8556 -20.1 -26.1 59 6.0 -21.7 146 8 340.8 341.1 295.7 345.6 1.29 29 350 8619 -20.3 -34.3 28 14.0 -23.1 145 8 341.4 341.5 295.2 343.7 0.60 30 348 8661 -20.5 -27.5 53 7.0 -22.2 145 8 341.7 341.9 295.7 346.0 1.15 31 345 8725 -20.9 -26.9 59 6.0 -22.4 144 7 342.0 342.2 295.8 346.6 1.23 32 326 9140 -23.9 -32.9 43 9.0 -25.7 140 6 343.4 343.6 295.8 346.3 0.74 33 320 9275 -24.9 -29.0 69 4.1 -25.8 135 6 343.9 344.1 296.2 348.0 1.09 34 316 9366 -25.5 -33.5 47 8.0 -27.1 131 6 344.3 344.4 296.0 347.1 0.72 35 306 9598 -27.3 -34.3 51 7.0 -28.6 121 5 344.9 345.1 296.1 347.6 0.68 36 302 9692 -28.1 -30.9 77 2.8 -28.7 117 5 345.1 345.3 296.4 348.8 0.96 37 300 9740 -28.3 -33.3 62 5.0 -29.2 115 5 345.5 345.7 296.3 348.5 0.77 38 294 9886 -28.9 -38.9 38 10.0 -30.4 124 5 346.6 346.7 296.3 348.4 0.45 39 278 10286 -32.3 -36.1 69 3.8 -32.9 150 4 347.3 347.5 296.6 349.8 0.63 40 276 10337 -32.7 -44.7 29 12.0 -34.0 153 4 347.5 347.5 296.3 348.5 0.26 41 271 10466 -33.9 -37.6 69 3.7 -34.4 162 3 347.6 347.7 296.5 349.7 0.56 42 252 10975 -37.5 -42.5 60 5.0 -38.1 175 2 349.5 349.6 296.8 351.0 0.36 43 250 11030 -37.9 -46.9 38 9.0 -38.7 175 2 349.7 349.8 296.8 350.6 0.22 44 246 11140 -38.9 -42.5 69 3.6 -39.3 170 3 349.8 349.9 296.9 351.3 0.37 45 245 11168 -39.1 -47.1 42 8.0 -39.8 169 4 350.0 350.0 296.8 350.9 0.22 46 239 11337 -40.5 -50.5 33 10.0 -41.2 162 5 350.3 350.4 296.8 351.0 0.16 47 234 11480 -41.7 -45.8 64 4.1 -42.1 156 7 350.6 350.7 297.0 351.8 0.27 48 225 11743 -43.5 -49.5 51 6.0 -43.9 145 10 351.8 351.9 297.2 352.6 0.19 49 200 12520 -50.5 -55.0 59 4.5 -50.7 135 18 352.8 352.8 297.3 353.3 0.11 50 178 13269 -57.5 -63.5 46 6.0 -57.6 141 18 353.3 353.3 297.4 353.5 0.04 51 163 13820 -61.7 -68.7 39 7.0 -61.8 144 18 355.2 355.2 297.8 355.3 0.02 52 150 14330 -66.3 -72.3 43 6.0 -66.4 140 15 355.9 355.9 297.9 355.9 0.01 53 124 15458 -74.3 -76.7 69 2.4 -74.3 107 17 361.2 361.3 299.0 361.3 0.01 54 115 15892 -77.7 -79.5 75 1.8 -77.7 110 15 362.8 362.8 299.2 362.8 0.01 55 100 16680 -82.7 -86.7 50 4.0 -82.7 180 4 367.9 367.9 300.2 368.0 0.00 56 89 17324 -85.9 -89.8 49 3.9 -85.9 330 8 374.0 374.0 301.2 374.0 0.00 57 81 17850 -79.1 -84.1 44 5.0 -79.1 19 9 398.2 398.2 305.0 398.2 0.00 58 73 18435 -82.7 -88.7 35 6.0 -82.7 81 11 402.6 402.6 305.6 402.6 0.00 59 70 18670 -81.1 -89.1 25 8.0 -81.1 115 14 410.9 410.9 306.6 410.9 0.00 60 60 19561 -70.1 -91.1 3 21.0 -70.2 44 4 454.0 454.0 311.3 454.0 0.00 61 55 20079 -69.1 -90.1 3 21.0 -69.2 327 4 467.7 467.7 312.4 467.7 0.00 62 50 20650 -67.3 -90.3 2 23.0 -67.5 210 9 484.9 484.9 313.8 484.9 0.00 63 45 21287 -66.5 -90.5 2 24.0 -66.8 214 10 501.7 501.7 315.1 501.7 0.00 64 42 21709 -61.5 -89.5 1 28.0 -62.1 209 9 524.0 524.0 316.5 524.1 0.00 65 37 22498 -59.7 -88.7 1 29.0 -60.5 184 5 548.0 548.0 318.0 548.0 0.00 TRP 89 17324 -85.9 -89.8 49 3.9 -85.9 330 8 374.0 374.0 301.2 374.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5832.00 m Freezing level: 537.91 mb = 5314.17 m = 17434.71 ft Wetbulb zero: 561.29 mb = 4964.29 m = 16286.86 ft Precipitable water: 2.59 inches Sfc-500 mean rel hum: 79.03 % Est. max temperature: 33.77 C = 92.78 F Sfc-Lift cond lev (LCL): 952.81 mb = 487.73 m = 1600.14 ft T: 25.64 C 700-500 lapse rate: 5.79 C/km ThetaE index: 20.05 C Layer 850.0- 664.0 mb Conv cond level (CCL): 931.40 mb = 689.14 m = 2260.93 ft Mean mixing ratio: 20.16 g/kg Conv temperature: 30.33 C = 86.59 F Cap Strength: 0.29 C Lifted Index: -4.43 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.29 C Lifted Index @700 mb: -1.19 C Showalter Index: -2.27 C Risk: Severe thunderstorms possible Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.10 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 254.60 Risk: None Energy Index: -2.40 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2418.45 J/kg Max Up Vert Vel: 69.55 m/s Conv Inhibition (B-): 3.74 J/kg Cap Strength: 0.29 C Lift Cond Lev (LCL): 935.87 mb = 646.71 m = 2121.74 ft Lev Free Conv (LFC): 920.87 mb = 789.03 m = 2588.66 ft Equ Level (EL): 110.87 mb = 16098.32 m = 52815.36 ft B at Equ Level: 2396.26 J/kg Max Parcel Lev (MPL): 60.87 mb = 19477.67 m = 63902.33 ft Wind level data Storm motion: 166 at 5 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 1006 4 240 5 4.3 2.5 | 295 6 5.5 -2.5 1 1000 58 190 1 0.2 1.0 | 341 4 1.4 -4.1 2 973 305 170 5 -0.9 4.9 | 290 0 0.3 -0.1 3 940 610 180 7 0.0 7.0 | 212 2 1.2 2.0 4 925 750 170 7 -1.2 6.9 | 180 2 -0.0 1.8 5 908 914 155 7 -3.0 6.3 | 127 2 -1.7 1.3 6 850 1487 125 11 -9.0 6.3 | 99 8 -7.8 1.3 7 846 1524 125 12 -9.8 6.9 | 102 9 -8.6 1.8 8 788 2134 135 10 -7.1 7.1 | 109 6 -5.9 2.0 9 708 3048 140 7 -4.5 5.4 | 95 3 -3.3 0.3 10 700 3144 145 6 -3.4 4.9 | 87 2 -2.2 -0.1 11 657 3658 145 7 -4.0 5.7 | 104 3 -2.8 0.7 12 588 4572 110 5 -4.7 1.7 | 46 5 -3.5 -3.3 13 566 4877 75 5 -4.8 -1.3 | 30 7 -3.6 -6.3 14 525 5486 140 4 -2.6 3.1 | 34 2 -1.4 -2.0 15 500 5890 145 7 -4.0 5.7 | 104 3 -2.8 0.7 16 487 6096 150 7 -3.5 6.1 | 114 3 -2.3 1.0 17 400 7620 155 11 -4.6 10.0 | 145 6 -3.4 4.9 18 400 7620 155 11 -4.6 10.0 | 145 6 -3.4 4.9 19 325 9144 140 6 -3.9 4.6 | 80 3 -2.6 -0.5 20 300 9740 115 5 -4.5 2.1 | 49 4 -3.3 -2.9 21 263 10668 175 3 -0.3 3.0 | 335 2 1.0 -2.1 22 250 11030 175 2 -0.2 2.0 | 341 3 1.0 -3.1 23 210 12192 125 15 -12.3 8.6 | 108 12 -11.1 3.6 24 200 12520 135 18 -12.7 12.7 | 124 14 -11.5 7.7 25 165 13716 145 18 -10.3 14.7 | 137 13 -9.1 9.7 26 150 14330 140 15 -9.6 11.5 | 127 11 -8.4 6.4 27 128 15240 105 18 -17.4 4.7 | 89 16 -16.2 -0.4 28 104 16459 115 12 -10.9 5.1 | 90 10 -9.7 0.0 29 100 16680 180 4 0.0 4.0 | 311 2 1.2 -1.0 30 89 17324 330 8 4.0 -6.9 | 336 13 5.2 -12.0 31 75 18288 60 9 -7.8 -4.5 | 35 12 -6.6 -9.5 32 70 18670 115 14 -12.7 5.9 | 94 12 -11.5 0.9 33 58 19812 25 1 -0.4 -0.9 | 352 6 0.8 -6.0 34 50 20650 210 9 4.5 7.8 | 244 6 5.7 2.7 35 43 21336 215 10 5.7 8.2 | 246 8 6.9 3.1 36 34 22555 165 2 -0.5 1.9 | 347 3 0.7 -3.1 Wind Parameters Mean winds (0-6000m): 136.5 at 6.9 knts Storm direction: 166.5 at 5.2 knts Shear (0-3000m) pos: 0.8 neg: 2.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 162.1 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -6.1 tot: 0.0 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -0.6 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 835.45 Bulk Shear: 2.89 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 ------------------------------------------------------------------------------- 500 177 4 314 1| 0.0 6.2 6.2| 3.9 -0.6 3.3 6.6 0.15| 9.6 1.5 1000 171 6 221 1| 0.0 4.7 4.7| 3.9 -2.3 1.7 1.7 -0.13| 7.2 -0.9 1500 154 7 121 2| 0.0 4.9 4.9| 3.9 -5.1 -1.2 -0.8 -0.19| 6.8 -1.3 2000 144 8 112 4| 0.5 3.7 4.1| 6.0 -5.1 0.9 0.4 -0.13| 5.6 -0.7 2500 142 8 111 4| 0.7 2.9 3.6| 6.2 -5.4 0.7 0.3 -0.12| 4.9 -0.6 3000 141 8 109 4| 0.8 2.5 3.3| 6.2 -6.1 0.0 0.0 -0.14| 4.4 -0.6 4000 142 8 106 4| 0.7 1.9 2.6| 6.6 -7.7 -1.1 -0.3 -0.17| 3.7 -0.6 5000 137 7 95 4| 0.6 1.5 2.1| 7.4 -12.7 -5.3 -1.1 -0.23| 3.6 -0.8 6000 136 7 90 4| 0.7 1.3 2.0| 10.1 -12.8 -2.7 -0.5 -0.11| 3.6 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250506.12.gif