UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060612.upa.cvt Date: 1200Z 6 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 6 JUN 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 27.1 200 7 302.6 306.6 300.1 367.3 21.75 1 1000 59 29.4 25.2 78 4.2 26.3 200 7 302.5 306.3 299.4 363.7 20.58 2 925 751 24.0 20.2 79 3.8 21.3 225 5 303.8 306.9 297.1 352.4 16.32 3 883 1157 21.0 20.1 95 0.9 20.4 266 7 304.8 308.0 297.8 355.6 17.01 4 850 1488 19.6 17.0 85 2.6 17.8 295 9 306.7 309.4 296.7 350.3 14.49 5 742 2650 13.4 11.1 86 2.3 11.9 287 7 312.1 314.2 295.9 346.7 11.26 6 700 3140 10.6 8.8 89 1.8 9.5 285 6 314.2 316.2 295.7 346.0 10.22 7 657 3667 7.6 7.6 100 0.0 7.6 295 6 316.6 318.5 296.2 348.0 10.03 8 649 3769 8.4 5.1 80 3.3 6.4 289 6 318.6 320.3 295.7 345.6 8.52 9 622 4119 5.8 3.7 86 2.1 4.5 268 4 319.5 321.1 295.6 345.2 8.06 10 574 4777 4.0 -4.0 56 8.0 -0.2 228 3 324.8 325.8 294.6 341.2 4.96 11 547 5169 2.4 -9.6 41 12.0 -3.1 231 3 327.4 328.1 294.0 338.8 3.38 12 500 5890 -2.9 -10.9 54 8.0 -6.4 275 3 329.5 330.2 294.5 340.8 3.33 13 485 6130 -4.3 -9.0 70 4.7 -6.5 308 4 330.7 331.5 295.3 344.2 3.99 14 461 6528 -6.3 -14.3 53 8.0 -9.5 347 4 333.0 333.6 294.9 342.5 2.74 15 421 7230 -12.1 -14.4 83 2.3 -13.0 56 5 334.3 334.9 295.4 344.7 2.98 16 415 7339 -12.9 -15.3 82 2.4 -13.8 67 5 334.7 335.3 295.4 344.5 2.81 17 412 7395 -12.5 -19.5 56 7.0 -14.9 72 5 335.9 336.3 295.0 343.0 1.98 18 400 7620 -13.5 -25.5 36 12.0 -16.9 95 5 337.4 337.7 294.8 341.9 1.20 19 396 7696 -13.9 -28.9 27 15.0 -17.8 109 5 337.9 338.1 294.6 341.2 0.89 20 385 7910 -15.5 -26.5 38 11.0 -18.5 107 6 338.5 338.8 295.0 342.7 1.14 21 382 7969 -15.9 -20.4 68 4.5 -17.4 107 6 338.8 339.2 295.7 345.9 1.98 22 372 8168 -17.3 -24.3 54 7.0 -19.3 105 8 339.5 339.8 295.4 344.8 1.44 23 370 8209 -17.3 -33.3 23 16.0 -20.8 104 8 340.0 340.1 294.9 342.4 0.62 24 362 8372 -18.5 -22.8 69 4.3 -19.8 103 9 340.5 340.9 295.9 346.7 1.69 25 347 8687 -20.1 -31.1 37 11.0 -22.6 100 12 342.5 342.7 295.7 345.6 0.82 26 346 8709 -20.5 -25.3 65 4.8 -21.8 99 12 342.3 342.5 296.1 347.5 1.41 27 340 8838 -21.3 -32.3 36 11.0 -23.7 98 13 342.9 343.0 295.7 345.7 0.75 28 313 9443 -25.7 -29.9 68 4.2 -26.6 102 17 345.0 345.2 296.4 348.8 1.02 29 301 9726 -27.3 -37.3 38 10.0 -29.0 109 19 346.6 346.7 296.3 348.6 0.52 30 300 9750 -27.5 -35.5 46 8.0 -28.9 110 19 346.6 346.8 296.4 349.0 0.62 31 296 9846 -27.9 -35.9 46 8.0 -29.3 109 19 347.4 347.5 296.6 349.8 0.60 32 284 10141 -30.7 -36.7 56 6.0 -31.7 106 20 347.5 347.6 296.6 349.8 0.58 33 278 10292 -31.9 -42.9 33 11.0 -33.3 104 20 347.9 348.0 296.4 349.2 0.31 34 264 10653 -34.9 -41.9 49 7.0 -35.7 100 21 348.7 348.8 296.7 350.2 0.37 35 260 10759 -35.5 -50.5 20 15.0 -36.8 99 22 349.3 349.4 296.6 349.9 0.14 36 252 10975 -37.5 -54.5 15 17.0 -38.7 96 24 349.5 349.5 296.6 349.9 0.09 37 250 11030 -37.9 -54.9 15 17.0 -39.0 95 25 349.7 349.7 296.7 350.1 0.09 38 248 11085 -38.3 -54.3 17 16.0 -39.4 96 25 349.9 349.9 296.7 350.3 0.10 39 246 11141 -38.7 -46.7 43 8.0 -39.4 96 26 350.1 350.2 296.8 351.1 0.23 40 245 11169 -38.7 -69.7 2 31.0 -39.9 97 26 350.5 350.6 296.8 350.6 0.01 41 236 11425 -40.9 -58.9 13 18.0 -41.8 100 28 351.0 351.0 296.9 351.2 0.06 42 235 11454 -41.1 -49.1 42 8.0 -41.7 100 29 351.1 351.2 297.0 351.9 0.19 43 232 11542 -41.9 -52.9 29 11.0 -42.6 101 29 351.2 351.2 297.0 351.7 0.12 44 221 11869 -44.9 -49.6 59 4.7 -45.2 106 32 351.5 351.5 297.1 352.3 0.19 45 215 12053 -46.3 -54.3 40 8.0 -46.7 108 34 352.1 352.1 297.2 352.6 0.11 46 208 12272 -47.9 -52.9 56 5.0 -48.1 107 35 352.9 353.0 297.4 353.5 0.14 47 200 12530 -50.3 -55.3 55 5.0 -50.5 95 35 353.1 353.1 297.4 353.6 0.11 48 177 13315 -57.9 -62.6 55 4.7 -58.0 98 43 353.2 353.2 297.4 353.4 0.05 49 173 13458 -58.9 -69.9 23 11.0 -59.0 99 44 353.9 353.9 297.5 353.9 0.02 50 165 13754 -61.1 -65.8 54 4.7 -61.2 100 47 355.0 355.0 297.7 355.2 0.03 51 150 14340 -65.9 -71.9 43 6.0 -66.0 105 59 356.6 356.6 298.0 356.6 0.02 52 132 15103 -72.5 -78.5 40 6.0 -72.5 105 62 358.1 358.1 298.3 358.1 0.01 53 120 15659 -75.1 -81.1 39 6.0 -75.1 110 75 363.2 363.2 299.3 363.2 0.00 54 114 15955 -76.5 -82.5 38 6.0 -76.5 110 71 365.9 365.9 299.8 366.0 0.00 55 100 16700 -81.1 -84.8 53 3.7 -81.1 110 52 371.0 371.0 300.8 371.0 0.00 56 91 17228 -84.1 -88.6 45 4.5 -84.1 90 51 375.2 375.2 301.5 375.2 0.00 57 85 17610 -80.7 -86.7 36 6.0 -80.7 94 48 389.5 389.5 303.7 389.5 0.00 58 82 17813 -81.1 -89.1 25 8.0 -81.1 96 46 392.7 392.7 304.2 392.7 0.00 59 80 17954 -75.9 -86.9 16 11.0 -75.9 97 45 406.2 406.2 306.0 406.2 0.00 60 76 18252 -74.7 -88.7 10 14.0 -74.7 100 42 414.7 414.7 307.1 414.7 0.00 61 70 18730 -75.7 -89.7 9 14.0 -75.7 75 19 422.4 422.4 308.0 422.4 0.00 62 67 18982 -76.3 -90.3 9 14.0 -76.3 79 23 426.5 426.5 308.4 426.5 0.00 63 61 19524 -74.3 -90.3 7 16.0 -74.4 86 32 442.5 442.5 310.1 442.5 0.00 64 59 19719 -72.5 -91.5 4 19.0 -72.6 89 35 450.8 450.8 310.9 450.8 0.00 65 57 19924 -66.5 -90.5 2 24.0 -66.7 91 34 468.9 468.9 312.5 468.9 0.00 66 54 20252 -64.9 -89.9 2 25.0 -65.2 95 28 479.9 479.9 313.4 479.9 0.00 67 50 20720 -65.1 -90.1 2 25.0 -65.4 100 19 490.1 490.1 314.2 490.1 0.00 68 34 23093 -61.1 -89.1 1 28.0 -61.8 91 26 557.7 557.7 318.5 557.8 0.00 TRP 91 17228 -84.1 -88.6 45 4.5 -84.1 90 51 375.2 375.2 301.5 375.2 0.00 WND 120 15659 -75.1 -81.1 39 6.0 -75.1 110 75 363.2 363.2 299.3 363.2 0.00 Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 525.72 mb = 5495.26 m = 18028.85 ft Wetbulb zero: 575.60 mb = 4753.94 m = 15596.73 ft Precipitable water: 2.49 inches Sfc-500 mean rel hum: 76.77 % Est. max temperature: 33.71 C = 92.67 F Sfc-Lift cond lev (LCL): 952.81 mb = 488.08 m = 1601.30 ft T: 26.05 C 700-500 lapse rate: 4.91 C/km ThetaE index: 14.95 C Layer 1000.0- 883.0 mb Conv cond level (CCL): 886.77 mb = 1120.14 m = 3674.97 ft Mean mixing ratio: 18.21 g/kg Conv temperature: 32.09 C = 89.77 F Cap Strength: 0.94 C Lifted Index: -2.51 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.03 C Lifted Index @700 mb: -1.96 C Showalter Index: -0.05 C Risk: Thunderstorms probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.90 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 225.00 Risk: None Energy Index: -1.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1190.76 J/kg Max Up Vert Vel: 48.80 m/s Conv Inhibition (B-): 11.00 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 904.88 mb = 943.38 m = 3095.03 ft Lev Free Conv (LFC): 829.88 mb = 1692.85 m = 5553.89 ft Equ Level (EL): 129.88 mb = 15197.29 m = 49859.26 ft B at Equ Level: 1166.91 J/kg Max Parcel Lev (MPL): 79.88 mb = 17963.07 m = 58933.24 ft Wind level data Storm motion: 301 at 4 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 4 200 7 2.4 6.6 | 173 9 -1.1 8.7 1 1000 59 200 7 2.4 6.6 | 173 9 -1.1 8.7 2 973 305 200 6 2.1 5.6 | 169 8 -1.5 7.8 3 940 610 210 5 2.5 4.3 | 171 7 -1.0 6.5 4 925 751 225 5 3.5 3.5 | 180 6 -0.0 5.7 5 908 914 245 6 5.4 2.5 | 202 5 1.9 4.7 6 850 1488 295 9 8.2 -3.8 | 290 5 4.6 -1.6 7 846 1524 295 9 8.2 -3.8 | 290 5 4.6 -1.6 8 788 2134 295 8 7.3 -3.4 | 288 4 3.7 -1.2 9 708 3048 280 7 6.9 -1.2 | 254 3 3.4 1.0 10 700 3140 285 6 5.8 -1.6 | 255 2 2.3 0.6 11 657 3658 295 6 5.4 -2.5 | 281 2 1.9 -0.4 12 587 4572 240 2 1.7 1.0 | 150 4 -1.8 3.2 13 566 4877 220 3 1.9 2.3 | 160 5 -1.6 4.5 14 525 5486 245 3 2.7 1.3 | 167 4 -0.8 3.4 15 500 5890 275 3 3.0 -0.3 | 164 2 -0.6 1.9 16 487 6096 305 4 3.3 -2.3 | 64 0 -0.3 -0.1 17 400 7620 95 5 -5.0 0.4 | 107 9 -8.5 2.6 18 400 7620 110 4 -3.8 1.4 | 116 8 -7.3 3.5 19 326 9144 95 15 -14.9 1.3 | 101 19 -18.5 3.5 20 300 9750 110 19 -17.9 6.5 | 112 23 -21.4 8.7 21 263 10668 100 21 -20.7 3.6 | 103 25 -24.2 5.8 22 250 11030 95 25 -24.9 2.2 | 99 29 -28.4 4.3 23 210 12192 110 35 -32.9 12.0 | 111 39 -36.4 14.1 24 200 12530 95 35 -34.9 3.1 | 98 39 -38.4 5.2 25 166 13716 100 47 -46.3 8.2 | 102 51 -49.8 10.3 26 150 14340 105 59 -57.0 15.3 | 106 63 -60.5 17.4 27 129 15240 105 63 -60.9 16.3 | 106 67 -64.4 18.5 28 120 15659 110 75 -70.5 25.7 | 111 79 -74.0 27.8 29 104 16459 110 64 -60.1 21.9 | 111 68 -63.7 24.1 30 100 16700 110 52 -48.9 17.8 | 111 56 -52.4 20.0 31 91 17228 90 51 -51.0 0.0 | 92 55 -54.5 2.2 32 76 18288 100 42 -41.4 7.3 | 102 46 -44.9 9.5 33 70 18730 75 19 -18.4 -4.9 | 83 22 -21.9 -2.8 34 58 19812 90 36 -36.0 0.0 | 93 40 -39.5 2.2 35 50 20720 100 19 -18.7 3.3 | 104 23 -22.3 5.5 36 44 21336 95 20 -19.9 1.7 | 99 24 -23.5 3.9 37 32 22860 90 27 -27.0 0.0 | 94 31 -30.5 2.2 38 28 23470 100 25 -24.6 4.3 | 103 29 -28.2 6.5 Wind Parameters Mean winds (0-6000m): 271.5 at 5.5 knts Storm direction: 301.5 at 4.2 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -3.2 tot: 10.5 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.3 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 194.77 Bulk Shear: 6.11 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 ------------------------------------------------------------------------------- 500 201 6 171 8| 1.8 0.0 1.8| 0.4 -1.1 -0.7 -1.4 -0.16| 2.0 -0.3 1000 213 6 177 7| 3.1 0.0 3.1| 6.2 -1.1 5.1 5.1 0.55| 3.5 1.9 1500 239 6 200 6| 4.1 0.0 4.1| 13.7 -1.1 12.6 8.4 0.76| 4.5 3.4 2000 259 7 224 5| 3.1 0.2 3.3| 13.7 -1.2 12.5 6.3 0.71| 3.6 2.5 2500 268 7 236 4| 2.4 0.3 2.8| 13.7 -2.1 11.6 4.6 0.60| 3.1 1.8 3000 272 7 242 4| 2.0 0.5 2.5| 13.7 -3.2 10.5 3.5 0.48| 2.8 1.3 4000 276 7 246 4| 1.6 0.6 2.2| 14.2 -4.3 9.9 2.5 0.31| 2.6 0.8 5000 274 6 235 3| 1.2 0.9 2.1| 15.0 -6.3 8.7 1.7 0.17| 2.6 0.4 6000 271 6 225 3| 1.4 0.7 2.1| 15.4 -6.4 9.0 1.5 0.16| 2.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250606.12.gif