UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 1 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 99 1 925 779 SFC 911 908 18.4 17.8 96 0.6 18.0 130 4 299.4 302.0 294.6 340.9 14.22 3 850 1502 14.6 14.6 100 0.0 14.6 75 1 301.4 303.7 293.8 337.9 12.39 4 828 1724 14.0 14.0 100 0.0 14.0 335 15 303.1 305.3 294.1 339.3 12.23 5 816 1849 17.4 13.0 75 4.4 14.5 300 23 307.9 310.1 295.1 343.1 11.62 6 801 2008 16.8 12.1 74 4.7 13.7 303 21 308.9 311.0 295.0 342.8 11.15 7 700 3143 8.2 7.1 93 1.1 7.5 295 23 311.6 313.3 294.2 339.6 9.08 8 660 3626 4.2 3.5 95 0.7 3.8 309 27 312.3 313.8 293.2 335.6 7.48 9 627 4042 2.2 -11.8 35 14.0 -3.5 298 28 314.7 315.2 289.6 322.7 2.47 10 607 4304 1.0 -8.0 51 9.0 -3.0 290 29 316.2 316.9 291.0 327.4 3.45 11 603 4357 0.2 -2.8 80 3.0 -1.3 290 29 315.9 316.9 292.3 332.3 5.17 12 597 4437 0.0 -7.0 59 7.0 -3.2 290 29 316.6 317.3 291.4 328.8 3.79 13 595 4464 0.0 -3.5 77 3.5 -1.7 290 29 316.9 317.8 292.4 332.8 4.97 14 590 4532 -0.3 -5.2 69 4.9 -2.7 290 29 317.3 318.1 292.1 331.5 4.40 15 588 4559 -0.3 -10.3 47 10.0 -4.6 290 29 317.6 318.2 290.9 327.3 2.97 16 584 4614 -1.1 -4.4 78 3.3 -2.7 290 29 317.3 318.2 292.4 332.5 4.73 17 582 4641 -1.3 -7.3 64 6.0 -4.0 290 29 317.4 318.1 291.6 329.7 3.80 18 580 4668 -1.1 -12.1 43 11.0 -5.5 290 29 317.9 318.4 290.7 326.5 2.61 19 573 4765 -1.9 -6.4 71 4.5 -4.0 290 29 318.1 318.9 292.1 331.5 4.14 20 559 4962 -2.7 -23.7 18 21.0 -9.1 290 29 319.4 319.6 289.6 322.9 1.01 21 551 5076 -3.3 -25.3 16 22.0 -9.6 290 29 320.0 320.2 289.7 323.1 0.89 22 540 5236 -4.1 -23.1 21 19.0 -9.9 289 29 320.9 321.1 290.2 324.7 1.10 23 530 5383 -4.9 -9.2 72 4.3 -6.8 284 31 321.7 322.4 292.7 333.5 3.60 24 500 5840 -7.5 -7.9 97 0.4 -7.7 270 31 323.9 324.7 293.8 337.9 4.22 25 492 5966 -6.5 -10.2 75 3.7 -8.1 272 30 326.6 327.3 294.0 338.7 3.58 26 447 6708 -12.3 -12.9 95 0.6 -12.5 265 29 328.4 329.0 294.1 339.2 3.17 27 420 7182 -15.1 -16.3 91 1.2 -15.5 261 20 330.7 331.2 294.2 339.5 2.55 28 411 7345 -15.9 -17.9 85 2.0 -16.6 267 12 331.7 332.2 294.3 339.7 2.28 29 400 7550 -15.7 -25.7 42 10.0 -18.4 240 16 334.6 334.8 294.0 338.9 1.18 30 394 7664 -16.3 -31.3 26 15.0 -19.7 234 17 335.2 335.4 293.8 337.9 0.71 31 393 7683 -16.1 -38.1 13 22.0 -20.3 234 18 335.8 335.8 293.6 337.2 0.36 32 385 7837 -17.5 -45.5 7 28.0 -21.7 232 19 335.9 335.9 293.4 336.6 0.17 33 311 9395 -30.5 -52.5 10 22.0 -32.4 234 29 338.9 338.9 294.1 339.3 0.09 34 300 9650 -32.7 -40.7 45 8.0 -33.7 240 28 339.3 339.4 294.5 340.7 0.36 35 299 9673 -32.9 -37.1 66 4.2 -33.5 241 28 339.3 339.4 294.7 341.4 0.53 36 293 9815 -33.9 -37.8 68 3.9 -34.4 244 26 339.9 340.0 294.7 341.8 0.50 37 287 9958 -35.3 -38.5 72 3.2 -35.7 247 25 339.9 340.0 294.7 341.7 0.48 38 272 10328 -37.7 -41.1 70 3.4 -38.1 252 30 341.7 341.8 295.1 343.2 0.39 39 261 10610 -40.3 -42.3 81 2.0 -40.5 253 36 341.9 342.0 295.1 343.3 0.35 40 250 10900 -42.7 -45.4 75 2.7 -42.9 255 43 342.6 342.6 295.2 343.6 0.26 41 200 12370 -54.9 -58.7 63 3.8 -55.0 240 56 345.8 345.8 295.8 346.1 0.07 42 171 13352 -63.3 -67.7 55 4.4 -63.4 237 75 347.8 347.8 296.1 347.9 0.02 43 161 13721 -65.3 -68.1 68 2.8 -65.3 235 88 350.4 350.4 296.7 350.5 0.02 44 160 13758 -65.5 -68.1 70 2.6 -65.5 235 88 350.7 350.7 296.8 350.8 0.02 45 152 14069 -67.1 -75.1 31 8.0 -67.2 231 81 353.2 353.2 297.3 353.2 0.01 46 150 14150 -62.5 -78.5 10 16.0 -62.6 225 70 362.4 362.4 299.2 362.4 0.01 47 146 14318 -59.9 -94.9 0 35.0 -60.1 225 63 369.7 369.7 300.5 369.7 0.00 48 100 16590 -76.5 -87.5 16 11.0 -76.5 230 16 379.9 379.9 302.2 379.9 0.00 49 95 16884 -78.5 -84.5 37 6.0 -78.5 230 21 381.6 381.6 302.5 381.6 0.00 50 81 17791 -79.7 -89.7 18 10.0 -79.7 242 16 397.0 397.0 304.8 397.0 0.00 51 70 18630 -74.1 -89.1 8 15.0 -74.2 175 16 425.9 425.9 308.4 425.9 0.00 52 53 20271 -70.3 -90.3 4 20.0 -70.4 94 21 469.9 469.9 312.6 469.9 0.00 53 50 20620 -67.5 -89.5 3 22.0 -67.7 65 18 484.4 484.4 313.8 484.4 0.00 54 40 21975 -61.1 -88.1 2 27.0 -61.7 51 12 532.4 532.4 317.1 532.4 0.00 55 32 23365 -57.5 -86.5 1 29.0 -58.6 68 12 577.1 577.1 319.5 577.2 0.01 56 30 23770 -58.3 -87.3 1 29.0 -59.4 70 14 585.7 585.7 319.9 585.7 0.01 57 29 23984 -58.7 -86.7 2 28.0 -59.8 78 15 590.3 590.3 320.2 590.4 0.01 58 24 25193 -53.5 -85.5 1 32.0 -55.7 90 12 638.2 638.3 322.2 638.3 0.01 59 20 26370 -53.9 -85.9 1 32.0 -56.3 80 21 671.2 671.2 323.4 671.3 0.01 60 17 27418 -51.9 -84.9 1 33.0 -55.2 78 19 709.5 709.5 324.7 709.7 0.02 61 17 27418 -51.9 -84.9 1 33.0 -55.2 78 19 709.5 709.5 324.7 709.7 0.02 62 15 28238 -47.3 -83.3 1 36.0 -52.5 86 14 750.7 750.7 326.0 750.9 0.03 TRP 95 16884 -78.5 -84.5 37 6.0 -78.5 230 21 381.6 381.6 302.5 381.6 0.00 WND 161 13721 -65.3 -68.1 68 2.8 -65.3 235 88 350.4 350.4 296.7 350.5 0.02 Sounding variables and indices 1000-500 mb thick: 5741.00 m Freezing level: 595.00 mb = 4464.08 m = 14645.77 ft Wetbulb zero: 642.81 mb = 3840.00 m = 12598.28 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 74.68 % Est. max temperature: 28.67 C = 83.60 F Sfc-Lift cond lev (LCL): 903.20 mb = 981.66 m = 3220.62 ft T: 17.93 C 700-500 lapse rate: 5.82 C/km ThetaE index: 20.36 C Layer 801.0- 607.0 mb Conv cond level (CCL): 861.44 mb = 1387.44 m = 4551.92 ft Mean mixing ratio: 12.81 g/kg Conv temperature: 19.98 C = 67.97 F Cap Strength: 3.95 C Lifted Index: -0.61 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.56 C Lifted Index @700 mb: 0.62 C Showalter Index: 0.16 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.10 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 208.20 Risk: None Energy Index: -0.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 103.17 J/kg Max Up Vert Vel: 14.36 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.97 C Lift Cond Lev (LCL): 851.42 mb = 1487.68 m = 4880.78 ft Lev Free Conv (LFC): 846.42 mb = 1537.79 m = 5045.18 ft Equ Level (EL): 826.42 mb = 1740.71 m = 5710.91 ft B at Equ Level: 27.15 J/kg Max Parcel Lev (MPL): 796.42 mb = 2056.01 m = 6745.34 ft Wind level data Storm motion: 318 at 18 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 ---------------------------------------------------------- 0 911 908 130 4 -3.1 2.6 | 137 22 -15.1 16.1 1 850 1502 75 1 -1.0 -0.3 | 136 19 -13.0 13.3 2 848 1524 40 1 -0.6 -0.8 | 135 18 -12.6 12.8 3 818 1829 300 23 19.9 -11.5 | 256 8 7.9 2.0 4 789 2134 305 20 16.4 -11.5 | 245 5 4.4 2.1 5 761 2438 300 24 20.8 -12.0 | 260 9 8.8 1.5 6 708 3048 290 24 22.6 -8.2 | 243 12 10.6 5.3 7 700 3143 295 23 20.8 -9.7 | 247 10 8.8 3.8 8 656 3658 310 27 20.7 -17.4 | 294 9 8.7 -3.8 9 608 4267 290 29 27.3 -9.9 | 257 16 15.3 3.6 10 543 5182 290 29 27.3 -9.9 | 257 16 15.3 3.6 11 523 5486 280 32 31.5 -5.6 | 248 21 19.5 8.0 12 500 5840 270 31 31.0 -0.0 | 235 23 19.0 13.5 13 484 6096 275 29 28.9 -2.5 | 237 20 16.9 11.0 14 465 6401 280 29 28.6 -5.0 | 243 19 16.6 8.5 15 429 7010 250 29 27.3 9.9 | 213 28 15.3 23.5 16 412 7315 270 12 12.0 -0.0 | 180 14 0.0 13.5 17 400 7550 240 16 13.9 8.0 | 185 22 1.9 21.5 18 396 7620 235 17 13.9 9.8 | 185 23 1.9 23.3 19 364 8230 225 23 16.3 16.3 | 188 30 4.3 29.8 20 335 8839 220 32 20.6 24.5 | 193 39 8.6 38.1 21 300 9650 240 28 24.2 14.0 | 204 30 12.2 27.5 22 283 10058 250 24 22.6 8.2 | 206 24 10.6 21.8 23 250 10900 255 43 41.5 11.1 | 230 38 29.5 24.7 24 236 11278 255 45 43.5 11.6 | 231 40 31.5 25.2 25 205 12192 240 60 52.0 30.0 | 223 59 40.0 43.5 26 200 12370 240 56 48.5 28.0 | 221 55 36.5 41.5 27 187 12802 240 57 49.4 28.5 | 222 56 37.4 42.0 28 161 13721 235 88 72.1 50.5 | 223 88 60.1 64.0 29 153 14021 235 88 72.1 50.5 | 223 88 60.1 64.0 30 150 14150 225 70 49.5 49.5 | 211 73 37.5 63.0 31 132 14935 225 36 25.5 25.5 | 199 41 13.5 39.0 32 119 15545 250 21 19.7 7.2 | 200 22 7.7 20.7 33 108 16154 265 18 17.9 1.6 | 201 16 5.9 15.1 34 100 16590 230 16 12.3 10.3 | 181 24 0.3 23.8 35 97 16764 230 16 12.3 10.3 | 181 24 0.3 23.8 36 95 16884 230 21 16.1 13.5 | 189 27 4.1 27.0 37 92 17069 235 20 16.4 11.5 | 190 25 4.4 25.0 38 87 17374 220 23 14.8 17.6 | 185 31 2.8 31.2 39 83 17678 250 14 13.2 4.8 | 184 18 1.2 18.3 40 74 18288 210 26 13.0 22.5 | 182 36 1.0 36.1 41 70 18593 165 15 -3.9 14.5 | 150 32 -15.9 28.0 42 70 18630 175 16 -1.4 15.9 | 156 32 -13.4 29.5 43 67 18898 175 15 -1.3 14.9 | 155 31 -13.3 28.5 44 64 19202 150 17 -8.5 14.7 | 144 35 -20.5 28.3 45 60 19507 155 10 -4.2 9.1 | 144 28 -16.2 22.6 46 57 19812 95 17 -16.9 1.5 | 117 33 -28.9 15.0 47 54 20117 115 19 -17.2 8.0 | 126 36 -29.2 21.6 48 52 20422 75 22 -21.3 -5.7 | 103 34 -33.2 7.9 49 50 20620 65 18 -16.3 -7.6 | 102 29 -28.3 5.9 50 45 21336 55 20 -16.4 -11.5 | 94 28 -28.4 2.1 51 40 21946 50 12 -9.2 -7.7 | 105 22 -21.2 5.8 52 35 22860 65 3 -2.7 -1.3 | 130 19 -14.7 12.3 53 33 23165 85 15 -14.9 -1.3 | 114 30 -26.9 12.2 54 31 23470 60 10 -8.7 -5.0 | 112 22 -20.7 8.5 55 30 23770 70 14 -13.2 -4.8 | 109 27 -25.2 8.8 56 30 23774 85 10 -10.0 -0.9 | 120 25 -22.0 12.7 57 29 24079 75 17 -16.4 -4.4 | 108 30 -28.4 9.1 58 27 24384 90 13 -13.0 0.0 | 118 28 -25.0 13.5 59 25 24994 80 13 -12.8 -2.3 | 114 27 -24.8 11.3 60 24 25298 95 12 -12.0 1.0 | 121 28 -24.0 14.6 61 23 25603 60 16 -13.9 -8.0 | 102 26 -25.9 5.5 62 21 25908 70 19 -17.9 -6.5 | 103 31 -29.9 7.0 63 20 26213 70 15 -14.1 -5.1 | 108 27 -26.1 8.4 64 20 26370 80 21 -20.7 -3.6 | 107 34 -32.7 9.9 65 19 26518 90 16 -16.0 0.0 | 116 31 -28.0 13.5 66 18 26822 70 22 -20.7 -7.5 | 100 33 -32.7 6.0 67 16 27127 90 13 -13.0 0.0 | 118 28 -25.0 13.5 68 14 27737 80 15 -14.8 -2.6 | 112 29 -26.8 10.9 69 12 28042 115 15 -13.6 6.3 | 128 32 -25.6 19.9 70 11 28346 110 23 -21.6 7.9 | 122 40 -33.6 21.4 71 10 28651 90 20 -20.0 0.0 | 113 35 -32.0 13.5 Wind Parameters Mean winds (0-6000m): 288.5 at 24.1 knts Storm direction: 318.5 at 18.1 knts Shear (0-3000m) pos: 0.8 neg: 5.3 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 138.5 deg Storm rel helicity (0-3000m) pos: 24.3 neg: -59.3 tot: -35.1 m^2/s^2 ave: -11.7 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.09 Bulk Shear: 94.97 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 ------------------------------------------------------------------------------- 500 123 3 136 21| 0.0 3.3 3.3| 0.9 -5.6 -4.6 -9.3 -0.24| 3.5 -0.8 1000 303 7 148 12| 0.0 13.5 13.5| 3.4 -43.2 -39.7 -39.7 0.16| 20.9 3.3 1500 303 12 164 7| 0.0 9.4 9.4| 5.9 -44.5 -38.5 -25.7 0.15| 16.0 2.4 2000 300 15 188 6| 0.0 7.2 7.2| 5.9 -50.4 -44.5 -22.2 0.10| 12.9 1.2 2500 299 17 206 6| 0.9 5.7 6.7| 16.7 -51.8 -35.1 -14.1 0.15| 11.6 1.8 3000 301 18 223 6| 0.8 5.3 6.0| 24.3 -59.3 -35.1 -11.7 0.14| 10.9 1.6 4000 298 21 241 8| 0.6 4.2 4.8| 24.3 -75.3 -51.0 -12.8 0.07| 8.9 0.6 5000 293 23 244 10| 0.5 3.6 4.0| 24.3-117.4 -93.1 -18.6 -0.04| 8.3 -0.3 6000 288 24 242 12| 0.8 3.1 3.9| 37.4-175.7-138.2 -23.0 -0.10| 8.4 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251201.12.gif