UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050712.upa.cvt Date: 1200Z 7 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 7 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 1004 4 31.0 25.0 70 6.0 26.5 180 5 303.8 307.5 299.5 364.2 20.25 1 1000 41 29.6 25.1 77 4.5 26.2 180 8 302.8 306.5 299.4 363.5 20.46 2 932 667 24.8 19.8 74 5.0 21.2 185 10 304.0 306.9 296.8 351.0 15.79 3 925 733 24.2 20.7 81 3.5 21.7 185 9 304.1 307.2 297.5 354.2 16.84 4 916 819 23.2 22.0 93 1.2 22.3 183 9 303.9 307.3 298.5 358.9 18.47 5 850 1471 20.4 17.1 81 3.3 18.1 175 9 307.5 310.2 297.0 351.5 14.59 6 845 1522 20.2 16.6 80 3.6 17.7 175 9 307.8 310.5 296.8 350.7 14.21 7 768 2343 16.0 12.5 80 3.5 13.7 185 13 311.8 314.1 296.3 348.5 11.95 8 759 2444 15.8 8.8 63 7.0 11.4 185 13 312.7 314.5 294.7 341.8 9.41 9 730 2774 13.6 11.0 84 2.6 11.9 185 14 313.8 315.9 296.4 349.0 11.37 10 702 3105 13.4 3.4 51 10.0 7.5 182 15 317.1 318.4 294.1 339.2 6.98 11 700 3129 13.0 8.0 72 5.0 9.8 180 15 316.9 318.7 296.0 347.3 9.67 12 692 3226 13.0 1.0 44 12.0 6.2 181 15 317.9 319.1 293.6 336.9 5.95 13 679 3385 12.0 -4.0 32 16.0 3.8 182 15 318.5 319.3 292.3 332.1 4.19 14 672 3472 11.0 3.0 58 8.0 6.3 183 15 318.4 319.7 294.6 340.9 7.09 15 653 3711 10.2 -2.8 40 13.0 3.4 184 15 320.1 321.0 293.2 335.5 4.77 16 644 3826 9.0 3.0 66 6.0 5.5 180 14 320.0 321.4 295.2 343.7 7.40 17 626 4061 8.0 -5.0 39 13.0 1.4 172 12 321.5 322.3 293.1 335.3 4.21 18 560 4972 2.2 -3.8 64 6.0 -0.9 161 7 325.0 326.0 294.8 342.0 5.16 19 547 5162 1.6 -9.4 44 11.0 -3.4 152 6 326.5 327.2 293.9 338.0 3.43 20 541 5251 0.8 -5.2 64 6.0 -2.2 147 5 326.6 327.5 294.9 342.5 4.81 21 535 5340 0.4 -7.6 55 8.0 -3.4 143 5 327.1 327.9 294.5 340.7 4.04 22 504 5817 -3.1 -7.0 74 3.9 -5.0 143 4 328.5 329.4 295.2 343.6 4.49 23 500 5880 -3.3 -8.0 70 4.7 -5.5 145 4 329.0 329.9 295.1 343.1 4.19 24 489 6055 -4.5 -11.5 58 7.0 -7.5 145 5 329.6 330.3 294.5 340.7 3.25 25 478 6234 -5.7 -10.1 71 4.4 -7.7 141 5 330.3 331.1 295.0 343.0 3.71 26 476 6266 -5.9 -9.3 77 3.4 -7.5 140 5 330.5 331.3 295.3 344.0 3.97 27 460 6533 -6.9 -15.9 49 9.0 -10.4 132 5 332.5 332.9 294.5 340.9 2.41 28 456 6601 -7.5 -12.5 67 5.0 -9.6 130 5 332.5 333.2 295.2 343.6 3.21 29 454 6635 -7.5 -19.5 38 12.0 -11.7 129 5 333.0 333.3 294.1 339.3 1.80 30 436 6948 -9.1 -13.4 71 4.3 -10.9 120 6 334.8 335.4 295.7 345.7 3.12 31 428 7091 -9.3 -20.3 40 11.0 -13.1 116 6 336.3 336.7 295.0 342.7 1.78 32 423 7182 -9.7 -20.7 40 11.0 -13.5 113 6 336.9 337.3 295.1 343.2 1.74 33 416 7310 -10.7 -25.7 28 15.0 -15.1 109 6 337.3 337.5 294.7 341.4 1.13 34 400 7610 -13.3 -26.3 33 13.0 -17.0 100 6 337.7 337.9 294.7 341.8 1.12 35 395 7706 -13.9 -22.9 47 9.0 -16.7 92 6 338.1 338.5 295.2 343.7 1.54 36 391 7783 -14.3 -31.3 22 17.0 -18.4 94 6 338.6 338.7 294.6 341.3 0.72 37 364 8321 -18.1 -29.1 38 11.0 -20.8 106 7 340.5 340.7 295.3 344.1 0.95 38 332 9003 -22.3 -45.3 10 23.0 -25.5 121 9 343.8 343.9 295.4 344.7 0.20 39 316 9364 -24.7 -43.7 15 19.0 -27.4 136 10 345.4 345.5 295.8 346.4 0.25 40 311 9480 -25.9 -31.9 57 6.0 -27.1 142 11 345.3 345.5 296.3 348.6 0.85 41 303 9668 -26.9 -51.9 8 25.0 -29.5 151 13 346.5 346.5 296.0 346.9 0.10 42 302 9692 -26.9 -50.9 8 24.0 -29.5 153 13 346.8 346.8 296.0 347.3 0.12 43 300 9740 -27.5 -50.5 9 23.0 -30.0 155 13 346.6 346.7 296.0 347.1 0.12 44 260 10749 -36.1 -51.1 20 15.0 -37.3 149 13 348.5 348.5 296.4 349.0 0.13 45 255 10884 -36.9 -54.9 14 18.0 -38.1 147 12 349.2 349.2 296.5 349.6 0.09 46 251 10993 -37.9 -52.9 19 15.0 -38.9 145 11 349.3 349.3 296.6 349.8 0.11 47 250 11020 -38.1 -51.1 24 13.0 -39.1 145 11 349.4 349.5 296.6 350.0 0.14 48 248 11075 -38.5 -43.5 59 5.0 -39.0 144 11 349.6 349.7 296.8 351.0 0.33 49 245 11159 -39.3 -42.9 69 3.6 -39.6 143 11 349.7 349.7 296.8 351.1 0.35 50 236 11415 -40.9 -45.2 63 4.3 -41.3 140 11 351.0 351.1 297.1 352.2 0.29 51 214 12074 -46.7 -49.1 76 2.4 -46.9 132 11 351.9 352.0 297.3 352.8 0.20 52 200 12520 -50.3 -54.7 60 4.4 -50.5 115 3 353.1 353.1 297.4 353.6 0.11 53 198 12585 -50.7 -55.7 55 5.0 -50.9 110 3 353.5 353.5 297.5 353.9 0.10 54 170 13559 -59.3 -61.3 77 2.0 -59.3 30 10 355.0 355.0 297.7 355.2 0.06 55 150 14330 -65.9 -69.2 63 3.3 -66.0 50 14 356.6 356.6 298.0 356.7 0.02 56 145 14535 -68.1 -74.1 42 6.0 -68.1 54 13 356.2 356.2 298.0 356.3 0.01 57 136 14918 -71.3 -76.3 47 5.0 -71.3 62 12 357.1 357.1 298.1 357.2 0.01 58 115 15891 -79.5 -83.8 49 4.3 -79.5 86 16 359.5 359.5 298.6 359.5 0.00 59 100 16680 -82.1 -88.1 35 6.0 -82.1 80 16 369.1 369.1 300.4 369.1 0.00 60 91 17202 -86.3 -90.6 45 4.3 -86.3 60 14 370.9 370.9 300.7 370.9 0.00 61 88 17386 -86.5 -91.5 40 5.0 -86.5 83 12 374.0 374.0 301.2 374.0 0.00 62 85 17579 -79.9 -86.9 30 7.0 -79.9 106 11 391.1 391.1 303.9 391.1 0.00 63 79 17992 -81.9 -88.9 29 7.0 -81.9 155 7 395.3 395.3 304.6 395.3 0.00 64 74 18362 -77.7 -87.7 18 10.0 -77.7 207 5 411.6 411.6 306.7 411.6 0.00 65 70 18680 -78.3 -89.3 15 11.0 -78.3 275 5 416.9 416.9 307.3 416.9 0.00 66 67 18929 -79.7 -89.7 18 10.0 -79.7 305 6 419.1 419.1 307.6 419.1 0.00 67 60 19565 -73.1 -90.1 6 17.0 -73.2 20 10 447.3 447.3 310.6 447.3 0.00 TRP 91 17202 -86.3 -90.6 45 4.3 -86.3 60 14 370.9 370.9 300.7 370.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5839.00 m Freezing level: 531.46 mb = 5394.70 m = 17698.94 ft Wetbulb zero: 585.84 mb = 4602.96 m = 15101.38 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 66.56 % Est. max temperature: 34.49 C = 94.08 F Sfc-Lift cond lev (LCL): 921.09 mb = 770.20 m = 2526.88 ft T: 23.77 C 700-500 lapse rate: 5.93 C/km ThetaE index: 17.13 C Layer 850.0- 730.0 mb Conv cond level (CCL): 851.03 mb = 1460.43 m = 4791.36 ft Mean mixing ratio: 18.03 g/kg Conv temperature: 34.66 C = 94.39 F Cap Strength: 1.14 C Lifted Index: -2.79 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.91 C Lifted Index @700 mb: 0.50 C Showalter Index: -0.86 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.40 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 227.20 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 997.15 J/kg Max Up Vert Vel: 44.66 m/s Conv Inhibition (B-): 42.66 J/kg Cap Strength: 1.14 C Lift Cond Lev (LCL): 899.58 mb = 976.56 m = 3203.90 ft Lev Free Conv (LFC): 744.58 mb = 2606.45 m = 8551.25 ft Equ Level (EL): 714.58 mb = 2954.76 m = 9693.99 ft B at Equ Level: 5.25 J/kg Max Parcel Lev (MPL): 684.58 mb = 3316.18 m = 10879.73 ft Wind level data Storm motion: 207 at 8 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 1004 4 180 5 0.0 5.0 | 63 4 -3.4 -1.7 1 1000 41 180 8 0.0 8.0 | 111 4 -3.4 1.3 2 971 305 185 10 0.9 10.0 | 142 4 -2.6 3.3 3 938 610 185 10 0.9 10.0 | 142 4 -2.6 3.3 4 925 733 185 9 0.8 9.0 | 131 3 -2.6 2.3 5 906 914 180 8 0.0 8.0 | 111 4 -3.4 1.3 6 850 1471 175 9 -0.8 9.0 | 118 5 -4.2 2.3 7 845 1524 175 9 -0.8 9.0 | 118 5 -4.2 2.3 8 787 2134 185 12 1.0 12.0 | 156 6 -2.4 5.2 9 707 3048 185 15 1.3 14.9 | 166 8 -2.1 8.2 10 700 3129 180 15 0.0 15.0 | 158 9 -3.4 8.3 11 656 3658 185 15 1.3 14.9 | 166 8 -2.1 8.2 12 587 4572 155 9 -3.8 8.2 | 101 7 -7.2 1.4 13 565 4877 165 7 -1.8 6.8 | 91 5 -5.2 0.1 14 525 5486 135 4 -2.8 2.8 | 58 7 -6.3 -3.9 15 500 5880 145 4 -2.3 3.3 | 59 7 -5.7 -3.4 16 486 6096 145 5 -2.9 4.1 | 67 7 -6.3 -2.6 17 400 7610 100 6 -5.9 1.0 | 59 11 -9.3 -5.7 18 399 7620 90 6 -6.0 0.0 | 55 12 -9.4 -6.7 19 325 9144 125 9 -7.4 5.2 | 82 11 -10.8 -1.5 20 300 9740 155 13 -5.5 11.8 | 120 10 -8.9 5.1 21 263 10668 150 13 -6.5 11.3 | 115 11 -9.9 4.5 22 250 11020 145 11 -6.3 9.0 | 103 10 -9.7 2.3 23 210 12192 130 11 -8.4 7.1 | 92 12 -11.8 0.4 24 200 12520 115 3 -2.7 1.3 | 48 8 -6.1 -5.4 25 165 13716 15 11 -2.8 -10.6 | 20 18 -6.3 -17.3 26 150 14330 50 14 -10.7 -9.0 | 42 21 -14.1 -15.7 27 128 15240 70 11 -10.3 -3.8 | 53 17 -13.8 -10.5 28 104 16459 100 20 -19.7 3.5 | 82 23 -23.1 -3.2 29 100 16680 80 16 -15.8 -2.8 | 64 21 -19.2 -9.5 30 91 17202 60 14 -12.1 -7.0 | 49 21 -15.5 -13.7 31 75 18288 190 5 0.9 4.9 | 55 3 -2.6 -1.8 32 70 18680 275 5 5.0 -0.4 | 348 7 1.6 -7.1 33 56 19812 65 12 -10.9 -5.1 | 51 19 -14.3 -11.8 Wind Parameters Mean winds (0-6000m): 177.0 at 10.0 knts Storm direction: 207.0 at 7.5 knts Shear (0-3000m) pos: 1.6 neg: 0.3 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 101.8 deg Storm rel helicity (0-3000m) pos: 11.9 neg: -1.8 tot: 10.1 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 3966.54 Bulk Shear: 0.25 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 ------------------------------------------------------------------------------- 500 184 9 131 4| 5.2 0.0 5.2| 4.7 0.0 4.7 9.4 0.99| 5.4 5.3 1000 183 9 130 4| 2.6 1.1 3.6| 4.7 -1.8 2.9 2.9 0.44| 3.9 1.7 1500 181 9 125 4| 1.7 0.7 2.4| 5.2 -1.8 3.4 2.2 0.43| 3.0 1.3 2000 181 9 127 4| 2.0 0.5 2.5| 8.7 -1.8 6.9 3.4 0.56| 2.9 1.6 2500 182 10 135 4| 2.0 0.4 2.4| 10.7 -1.8 8.8 3.5 0.57| 2.7 1.6 3000 183 11 143 5| 1.6 0.3 1.9| 11.9 -1.8 10.1 3.4 0.55| 2.6 1.4 4000 182 12 149 6| 1.2 0.6 1.8| 14.1 -11.2 2.9 0.7 0.24| 2.6 0.6 5000 179 11 142 6| 0.8 0.9 1.7| 14.1 -24.2 -10.2 -2.0 -0.08| 3.0 -0.2 6000 177 10 130 5| 0.7 0.9 1.7| 15.3 -29.1 -13.8 -2.3 -0.13| 2.8 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250507.12.gif