UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 25 DEC 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 98 1 925 792 SFC 913 908 25.2 21.3 79 3.9 22.3 360 2 306.2 309.5 298.6 359.5 17.73 3 887 1160 21.8 19.6 87 2.2 20.2 334 4 305.2 308.3 297.5 354.3 16.40 4 883 1200 22.6 16.6 69 6.0 18.4 330 4 306.5 309.0 296.0 347.3 13.58 5 850 1530 20.8 15.8 73 5.0 17.4 295 6 307.9 310.4 296.3 348.4 13.40 6 734 2782 12.0 8.7 80 3.3 9.9 300 20 311.5 313.4 294.6 341.3 9.67 7 707 3096 10.4 1.4 54 9.0 5.4 296 18 313.1 314.3 292.2 331.9 6.00 8 700 3179 9.6 5.4 75 4.2 7.1 295 18 313.1 314.7 293.9 338.2 8.06 9 695 3239 9.2 5.0 75 4.2 6.7 294 18 313.3 314.8 293.8 337.9 7.90 10 634 3996 5.0 1.3 77 3.7 2.9 284 13 316.9 318.2 293.8 337.9 6.65 11 617 4218 3.8 -0.8 72 4.6 1.3 281 11 318.0 319.1 293.5 336.7 5.86 12 605 4378 3.2 -12.8 30 16.0 -3.4 283 10 319.1 319.5 290.8 326.9 2.36 13 595 4513 2.4 -7.6 48 10.0 -2.3 288 9 319.7 320.4 292.2 331.5 3.63 14 568 4888 0.4 -17.6 24 18.0 -6.2 300 6 321.6 321.9 291.0 327.3 1.69 15 566 4916 0.4 -20.6 19 21.0 -6.8 300 6 321.9 322.2 290.7 326.4 1.31 16 564 4945 0.4 -9.6 47 10.0 -4.1 301 6 322.2 322.9 292.6 333.1 3.27 17 562 4974 0.8 -21.2 17 22.0 -6.7 301 6 323.0 323.3 291.0 327.4 1.25 18 559 5017 1.0 -23.0 15 24.0 -6.9 302 7 323.8 324.0 291.0 327.5 1.07 19 557 5046 1.2 -21.8 16 23.0 -6.6 303 7 324.3 324.6 291.3 328.5 1.20 20 530 5445 -0.9 -18.9 24 18.0 -7.4 309 9 326.5 326.8 292.3 332.1 1.62 21 521 5582 -0.7 -38.7 4 38.0 -9.5 311 10 328.3 328.4 291.5 329.3 0.26 22 500 5910 -3.1 -30.1 10 27.0 -10.5 305 10 329.3 329.4 292.2 331.6 0.63 23 460 6562 -7.9 -24.9 24 17.0 -13.0 302 14 331.2 331.4 293.1 335.2 1.10 24 414 7370 -13.5 -29.5 25 16.0 -17.5 252 1 334.1 334.3 293.6 337.1 0.80 25 400 7630 -14.9 -33.9 18 19.0 -19.0 340 4 335.6 335.7 293.7 337.7 0.54 26 375 8117 -16.7 -43.7 8 27.0 -21.1 328 15 339.5 339.5 294.4 340.3 0.21 27 313 9446 -27.5 -42.5 23 15.0 -29.5 286 9 342.4 342.5 295.2 343.6 0.29 28 300 9750 -29.5 -45.5 20 16.0 -31.3 250 6 343.8 343.8 295.4 344.7 0.22 29 270 10490 -35.5 -45.5 35 10.0 -36.5 302 9 345.6 345.6 295.8 346.6 0.24 30 265 10620 -36.5 -52.5 18 16.0 -37.7 311 9 346.0 346.0 295.8 346.5 0.11 31 250 11020 -39.7 -54.7 19 15.0 -40.6 340 8 347.0 347.1 296.1 347.4 0.09 32 240 11298 -41.3 -58.3 14 17.0 -42.2 343 7 348.7 348.7 296.4 349.0 0.06 33 213 12098 -48.1 -56.1 39 8.0 -48.4 351 4 350.2 350.3 296.8 350.6 0.09 34 200 12510 -51.5 -63.5 23 12.0 -51.8 355 3 351.2 351.2 296.9 351.4 0.04 35 193 12740 -53.5 -64.5 25 11.0 -53.8 357 2 351.6 351.6 297.0 351.8 0.03 36 167 13658 -59.9 -74.9 12 15.0 -60.0 300 5 355.8 355.8 297.8 355.8 0.01 37 166 13696 -60.1 -75.1 12 15.0 -60.3 296 5 356.1 356.1 297.9 356.1 0.01 38 150 14320 -65.9 -74.9 27 9.0 -66.0 225 11 356.6 356.6 298.0 356.6 0.01 39 132 15084 -72.5 -78.5 40 6.0 -72.5 290 6 358.1 358.1 298.3 358.1 0.01 40 102 16568 -80.9 -84.6 54 3.7 -80.9 335 12 369.3 369.3 300.4 369.3 0.00 41 100 16680 -80.3 -85.3 43 5.0 -80.3 40 14 372.6 372.6 301.0 372.6 0.00 42 80 17934 -83.1 -90.1 29 7.0 -83.1 351 13 391.4 391.4 304.0 391.4 0.00 43 75 18298 -78.7 -88.7 18 10.0 -78.7 60 20 407.9 407.9 306.2 407.9 0.00 44 70 18690 -80.1 -89.1 21 9.0 -80.1 65 19 413.0 413.0 306.9 413.0 0.00 45 54 20186 -75.7 -89.7 9 14.0 -75.7 119 23 455.0 455.0 311.3 455.0 0.00 46 50 20640 -70.9 -89.9 4 19.0 -71.1 70 25 476.4 476.4 313.2 476.4 0.00 47 41 21845 -59.7 -86.7 2 27.0 -60.4 115 18 532.2 532.2 317.1 532.2 0.01 48 34 23001 -63.9 -88.9 2 25.0 -64.4 95 26 550.4 550.4 318.1 550.4 0.00 49 30 23780 -56.9 -85.9 1 29.0 -58.2 105 24 589.5 589.5 320.1 589.6 0.01 50 26 24691 -55.3 -85.3 1 30.0 -57.1 93 29 618.7 618.7 321.5 618.8 0.01 51 22 25774 -48.7 -81.7 1 33.0 -52.3 69 35 668.6 668.6 323.4 668.8 0.02 52 20 26400 -49.5 -82.5 1 33.0 -53.1 40 25 684.7 684.7 323.9 684.8 0.02 53 17 27471 -46.9 -80.9 1 34.0 -51.8 33 20 725.6 725.6 325.3 725.9 0.03 54 16 27871 -48.3 -82.3 1 34.0 -52.9 49 16 733.7 733.7 325.5 733.9 0.03 TRP 34 23001 -63.9 -88.9 2 25.0 -64.4 95 26 550.4 550.4 318.1 550.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 541.57 mb = 5273.70 m = 17301.97 ft Wetbulb zero: 613.65 mb = 4262.32 m = 13983.81 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 57.60 % Est. max temperature: 29.47 C = 85.04 F Sfc-Lift cond lev (LCL): 862.71 mb = 1401.23 m = 4597.16 ft T: 21.50 C 700-500 lapse rate: 4.65 C/km ThetaE index: 16.54 C Layer 734.0- 700.0 mb Conv cond level (CCL): 774.33 mb = 2325.66 m = 7630.01 ft Mean mixing ratio: 14.17 g/kg Conv temperature: 29.12 C = 84.41 F Cap Strength: 1.83 C Lifted Index: -0.16 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.16 C Lifted Index @700 mb: -1.00 C Showalter Index: 0.40 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 18.90 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 211.60 Risk: None Energy Index: -3.18 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 363.36 J/kg Max Up Vert Vel: 26.96 m/s Conv Inhibition (B-): 38.78 J/kg Cap Strength: 1.83 C Lift Cond Lev (LCL): 807.31 mb = 1969.75 m = 6462.35 ft Lev Free Conv (LFC): 742.31 mb = 2686.05 m = 8812.39 ft Equ Level (EL): 522.31 mb = 5561.89 m = 18247.46 ft B at Equ Level: 136.48 J/kg Max Parcel Lev (MPL): 142.31 mb = 14634.69 m = 48013.49 ft Wind level data Storm motion: 328 at 9 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 ---------------------------------------------------------- 0 913 908 360 2 -0.0 -2.0 | 140 7 -4.7 5.5 1 850 1530 295 6 5.4 -2.5 | 189 5 0.8 5.0 2 821 1829 290 10 9.4 -3.4 | 229 6 4.7 4.1 3 792 2134 300 16 13.9 -8.0 | 273 9 9.2 -0.5 4 764 2438 300 20 17.3 -10.0 | 281 13 12.6 -2.5 5 737 2743 300 20 17.3 -10.0 | 281 13 12.6 -2.5 6 700 3179 295 18 16.3 -7.6 | 270 12 11.6 -0.1 7 612 4267 280 11 10.8 -1.9 | 228 8 6.2 5.6 8 568 4877 300 6 5.2 -3.0 | 187 5 0.5 4.5 9 507 5791 315 11 7.8 -7.8 | 275 3 3.1 -0.3 10 500 5910 305 10 8.2 -5.7 | 243 4 3.5 1.8 11 488 6096 300 11 9.5 -5.5 | 247 5 4.9 2.0 12 469 6401 315 16 11.3 -11.3 | 300 8 6.6 -3.8 13 417 7315 235 1 0.8 0.6 | 155 9 -3.9 8.1 14 400 7630 340 4 1.4 -3.8 | 139 5 -3.3 3.8 15 369 8230 325 18 10.3 -14.7 | 322 9 5.7 -7.2 16 354 8534 315 15 10.6 -10.6 | 298 7 5.9 -3.1 17 339 8839 330 14 7.0 -12.1 | 333 5 2.3 -4.6 18 326 9144 320 11 7.1 -8.4 | 291 3 2.4 -0.9 19 300 9750 250 6 5.6 2.1 | 186 10 1.0 9.6 20 300 9754 250 10 9.4 3.4 | 203 12 4.7 10.9 21 250 11020 340 8 2.7 -7.5 | 90 2 -1.9 -0.0 22 200 12510 355 3 0.3 -3.0 | 136 6 -4.4 4.5 23 182 13106 0 0 -0.0 -0.0 | 148 9 -4.7 7.5 24 150 14320 225 11 7.8 7.8 | 191 16 3.1 15.3 25 150 14326 200 10 3.4 9.4 | 176 17 -1.3 16.9 26 142 14630 240 10 8.7 5.0 | 198 13 4.0 12.5 27 128 15240 310 4 3.1 -2.6 | 162 5 -1.6 4.9 28 122 15545 335 19 8.0 -17.2 | 341 10 3.4 -9.7 29 109 16154 280 14 13.8 -2.4 | 241 10 9.1 5.1 30 104 16459 275 10 10.0 -0.9 | 219 8 5.3 6.6 31 100 16680 40 14 -9.0 -10.7 | 77 14 -13.7 -3.2 32 99 16764 40 10 -6.4 -7.7 | 89 11 -11.1 -0.1 33 93 17069 40 14 -9.0 -10.7 | 77 14 -13.7 -3.2 34 88 17374 10 24 -4.2 -23.6 | 29 18 -8.8 -16.1 35 79 17983 350 12 2.1 -11.8 | 31 5 -2.6 -4.3 36 75 18288 60 20 -17.3 -10.0 | 84 22 -22.0 -2.5 37 71 18593 55 13 -10.6 -7.5 | 90 15 -15.3 0.1 38 70 18690 65 19 -17.2 -8.0 | 89 22 -21.9 -0.5 39 64 19202 45 18 -12.7 -12.7 | 73 18 -17.4 -5.2 40 61 19507 90 2 -2.0 0.0 | 138 10 -6.7 7.5 41 58 19812 130 10 -7.7 6.4 | 139 19 -12.3 13.9 42 55 20117 130 20 -15.3 12.9 | 136 29 -20.0 20.4 43 52 20422 85 32 -31.9 -2.8 | 97 37 -36.6 4.7 44 50 20640 70 25 -23.5 -8.6 | 88 28 -28.2 -1.0 45 47 21031 65 21 -19.0 -8.9 | 87 24 -23.7 -1.4 46 42 21641 90 17 -17.0 0.0 | 109 23 -21.7 7.5 47 40 21946 125 19 -15.6 10.9 | 132 27 -20.2 18.4 48 35 22860 90 21 -21.0 0.0 | 106 27 -25.7 7.5 49 34 23001 95 26 -25.9 2.3 | 108 32 -30.6 9.8 50 33 23165 90 28 -28.0 0.0 | 103 34 -32.7 7.5 51 32 23470 65 26 -23.6 -11.0 | 83 28 -28.2 -3.5 52 30 23780 105 24 -23.2 6.2 | 116 31 -27.9 13.7 53 29 24079 105 23 -22.2 6.0 | 117 30 -26.9 13.5 54 23 25603 75 37 -35.7 -9.6 | 87 40 -40.4 -2.1 55 22 25908 65 33 -29.9 -13.9 | 79 35 -34.6 -6.4 56 20 26400 40 25 -16.1 -19.2 | 61 24 -20.7 -11.6 57 19 26518 85 28 -27.9 -2.4 | 99 33 -32.6 5.1 58 18 26822 30 25 -12.5 -21.7 | 51 22 -17.2 -14.1 59 16 27127 35 17 -9.8 -13.9 | 66 16 -14.4 -6.4 60 15 27432 80 13 -12.8 -2.3 | 107 18 -17.5 5.3 61 14 27737 80 22 -21.7 -3.8 | 98 27 -26.3 3.7 62 13 28042 75 13 -12.6 -3.4 | 104 18 -17.2 4.2 Wind Parameters Mean winds (0-6000m): 298.1 at 11.8 knts Storm direction: 328.1 at 8.8 knts Shear (0-3000m) pos: 1.4 neg: 1.3 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 103.8 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -20.6 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 38.93 Bulk Shear: 9.33 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 ------------------------------------------------------------------------------- 500 314 4 157 5| 0.0 4.4 4.4| 3.5 -0.0 3.4 6.9 0.59| 4.8 2.8 1000 299 6 184 5| 0.0 5.6 5.6| 12.9 -0.0 12.8 12.8 0.80| 6.0 4.8 1500 299 9 228 5| 2.8 3.8 6.6| 25.3 -0.0 25.3 16.9 0.74| 6.9 5.1 2000 299 12 253 6| 2.1 2.8 4.9| 25.8 -2.9 22.9 11.4 0.66| 5.5 3.6 2500 298 13 259 7| 1.7 1.9 3.6| 25.8 -11.9 13.9 5.6 0.45| 5.1 2.3 3000 296 13 258 8| 1.4 1.3 2.7| 25.8 -20.6 5.2 1.7 0.28| 4.9 1.3 4000 294 12 251 7| 0.8 0.8 1.6| 25.8 -31.6 -5.8 -1.5 0.05| 4.7 0.2 5000 297 12 249 6| 0.9 0.7 1.6| 29.8 -33.1 -3.3 -0.7 0.11| 4.5 0.5 6000 298 12 251 6| 1.3 1.3 2.7| 38.8 -55.6 -16.8 -2.8 -0.03| 5.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251225.12.gif