UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 12 OCT 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 110 1 925 790 SFC 912 908 16.4 15.9 97 0.5 16.1 100 3 297.3 299.6 292.7 333.6 12.56 3 879 1223 14.8 14.7 99 0.1 14.7 347 25 298.8 301.0 292.7 333.9 12.05 4 861 1401 17.2 14.5 84 2.7 15.4 343 33 303.0 305.3 294.1 339.1 12.15 5 850 1511 16.8 13.3 80 3.5 14.5 340 38 303.7 305.8 293.7 337.6 11.37 6 700 3141 7.0 3.2 77 3.8 4.9 350 18 310.2 311.5 292.1 331.5 6.90 7 668 3525 5.0 0.0 70 5.0 2.4 329 13 312.2 313.3 291.7 330.1 5.74 8 632 3976 1.8 -2.6 73 4.4 -0.4 295 10 313.5 314.5 291.5 329.3 5.00 9 618 4156 1.0 -5.0 64 6.0 -1.9 309 13 314.6 315.4 291.2 328.2 4.27 10 615 4196 1.8 -8.2 47 10.0 -2.7 312 13 316.0 316.6 290.8 326.8 3.35 11 581 4653 -1.3 -11.3 46 10.0 -5.4 320 15 317.5 318.1 290.7 326.6 2.77 12 520 5526 -9.5 -13.2 74 3.7 -10.9 279 8 317.9 318.4 290.7 326.6 2.66 13 513 5631 -8.5 -10.3 87 1.8 -9.2 265 10 320.3 321.0 292.1 331.5 3.41 14 501 5815 -9.5 -10.6 92 1.1 -9.9 248 14 321.3 321.9 292.4 332.5 3.40 15 500 5830 -9.7 -10.9 91 1.2 -10.2 250 14 321.2 321.9 292.3 332.2 3.33 16 400 7510 -20.5 -22.8 82 2.3 -21.1 275 33 328.3 328.7 292.7 333.7 1.53 17 356 8364 -26.3 -28.7 80 2.4 -26.8 285 53 331.7 331.9 293.2 335.3 1.00 18 305 9465 -34.7 -39.0 65 4.3 -35.2 285 56 334.9 335.0 293.4 336.5 0.43 19 300 9580 -35.9 -39.7 68 3.8 -36.3 285 56 334.8 334.9 293.4 336.3 0.40 20 291 9791 -37.9 -40.6 76 2.7 -38.2 288 54 334.9 334.9 293.4 336.3 0.38 21 250 10820 -46.3 -50.6 62 4.3 -46.5 295 50 337.2 337.3 293.8 337.8 0.15 22 243 11007 -47.9 -52.3 60 4.4 -48.1 290 54 337.6 337.6 293.9 338.1 0.12 23 239 11116 -48.3 -54.3 50 6.0 -48.6 287 57 338.6 338.6 294.1 339.0 0.10 24 216 11771 -53.5 -56.5 70 3.0 -53.6 268 72 340.5 340.5 294.5 340.8 0.08 25 200 12260 -57.3 -61.9 56 4.6 -57.4 270 73 342.0 342.0 294.8 342.2 0.05 26 159 13672 -69.5 -74.2 50 4.7 -69.5 255 75 344.6 344.6 295.4 344.6 0.01 27 150 14020 -69.5 -76.1 38 6.6 -69.5 245 82 350.4 350.4 296.7 350.4 0.01 28 148 14100 -69.5 -76.5 35 7.0 -69.5 245 82 351.7 351.7 297.0 351.7 0.01 29 136 14610 -64.7 -80.7 9 16.0 -64.8 240 79 368.8 368.8 300.4 368.8 0.00 30 124 15173 -65.3 -83.3 7 18.0 -65.4 231 39 377.6 377.6 301.9 377.6 0.00 31 102 16343 -71.7 -85.7 11 14.0 -71.8 229 42 387.0 387.0 303.3 387.0 0.00 32 100 16460 -69.9 -85.9 8 16.0 -70.0 220 31 392.7 392.7 304.2 392.7 0.00 33 90 17090 -67.1 -86.1 5 19.0 -67.2 253 12 410.3 410.3 306.5 410.3 0.00 34 75 18173 -73.1 -88.1 8 15.0 -73.2 269 14 419.6 419.6 307.7 419.6 0.00 35 70 18580 -69.9 -88.9 5 19.0 -70.0 330 7 434.8 434.8 309.3 434.9 0.00 36 65 19023 -68.5 -88.5 4 20.0 -68.7 316 13 447.2 447.2 310.6 447.2 0.00 37 63 19210 -69.1 -89.1 4 20.0 -69.2 308 16 449.9 449.9 310.8 449.9 0.00 38 62 19307 -65.7 -88.7 3 23.0 -65.9 295 15 459.5 459.5 311.7 459.5 0.00 39 50 20620 -63.9 -88.9 2 25.0 -64.3 260 11 492.9 492.9 314.4 492.9 0.00 40 46 21131 -63.5 -88.5 2 25.0 -63.9 271 17 505.8 505.8 315.4 505.8 0.00 41 31 23601 -55.1 -86.1 1 31.0 -56.6 274 25 588.9 588.9 320.1 588.9 0.01 42 30 23810 -56.3 -86.3 1 30.0 -57.7 285 18 591.2 591.2 320.2 591.2 0.01 43 27 24477 -58.9 -87.9 1 29.0 -60.0 307 24 601.9 601.9 320.7 602.0 0.01 44 25 24964 -55.9 -86.9 1 31.0 -57.6 272 25 623.9 624.0 321.6 624.0 0.01 45 23 25495 -57.1 -87.1 1 30.0 -58.7 291 23 635.5 635.5 322.1 635.5 0.01 46 21 26081 -50.3 -84.3 1 34.0 -53.6 280 24 672.8 672.8 323.5 672.9 0.02 47 20 26400 -49.9 -82.9 1 33.0 -53.4 290 22 683.4 683.4 323.9 683.6 0.02 48 18 27093 -47.5 -82.5 1 35.0 -52.1 296 23 711.9 711.9 324.8 712.1 0.02 49 14 28748 -49.1 -83.1 1 34.0 -53.9 267 21 759.5 759.6 326.2 759.8 0.03 TRP 159 13672 -69.5 -74.2 50 4.7 -69.5 255 75 344.6 344.6 295.4 344.6 0.01 WND 150 14020 -69.5 -76.1 38 6.6 -69.5 245 82 350.4 350.4 296.7 350.4 0.01 Sounding variables and indices 1000-500 mb thick: 5720.00 m Freezing level: 595.26 mb = 4461.10 m = 14635.97 ft Wetbulb zero: 637.10 mb = 3910.22 m = 12828.64 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 72.73 % Est. max temperature: 26.28 C = 79.31 F Sfc-Lift cond lev (LCL): 905.45 mb = 969.69 m = 3181.35 ft T: 16.09 C 700-500 lapse rate: 6.21 C/km ThetaE index: 12.43 C Layer 850.0- 520.0 mb Conv cond level (CCL): 776.32 mb = 2272.24 m = 7454.75 ft Mean mixing ratio: 11.60 g/kg Conv temperature: 25.68 C = 78.22 F Cap Strength: 2.54 C Lifted Index: -1.17 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.64 C Lifted Index @700 mb: 0.65 C Showalter Index: -1.87 C Risk: Thunderstorms probable Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 23.00 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 259.60 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 173.16 J/kg Max Up Vert Vel: 18.61 m/s Conv Inhibition (B-): 107.43 J/kg Cap Strength: 2.54 C Lift Cond Lev (LCL): 834.70 mb = 1663.48 m = 5457.55 ft Lev Free Conv (LFC): 639.70 mb = 3877.12 m = 12720.06 ft Equ Level (EL): 619.70 mb = 4134.24 m = 13563.61 ft B at Equ Level: 42.48 J/kg Max Parcel Lev (MPL): 219.70 mb = 11661.32 m = 38258.46 ft Wind level data Storm motion: 358 at 13 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 ---------------------------------------------------------- 0 912 908 100 3 -3.0 0.5 | 166 14 -3.4 13.8 1 911 914 355 10 0.9 -10.0 | 187 3 0.4 3.3 2 850 1511 340 38 13.0 -35.7 | 331 26 12.6 -22.4 3 849 1524 340 42 14.4 -39.5 | 332 30 13.9 -26.2 4 789 2134 345 31 8.0 -29.9 | 336 18 7.6 -16.7 5 761 2438 355 30 2.6 -29.9 | 353 17 2.2 -16.6 6 734 2743 360 26 -0.0 -26.0 | 2 13 -0.4 -12.7 7 700 3141 350 18 3.1 -17.7 | 329 5 2.7 -4.4 8 682 3353 345 17 4.4 -16.4 | 308 5 4.0 -3.1 9 656 3658 315 10 7.1 -7.1 | 227 9 6.6 6.2 10 632 3962 295 10 9.1 -4.2 | 224 13 8.6 9.1 11 608 4267 320 15 9.6 -11.5 | 259 9 9.2 1.8 12 585 4572 320 16 10.3 -12.3 | 264 10 9.8 1.0 13 542 5182 320 2 1.3 -1.5 | 184 12 0.8 11.7 14 502 5791 245 13 11.8 5.5 | 211 22 11.3 18.8 15 500 5830 250 14 13.2 4.8 | 215 22 12.7 18.1 16 483 6096 270 13 13.0 -0.0 | 223 18 12.6 13.3 17 463 6401 280 11 10.8 -1.9 | 222 15 10.4 11.4 18 445 6706 250 13 12.2 4.4 | 214 21 11.8 17.7 19 410 7315 275 30 29.9 -2.6 | 250 31 29.4 10.7 20 400 7510 275 33 32.9 -2.9 | 252 34 32.4 10.4 21 362 8230 285 53 51.2 -13.7 | 270 51 50.8 -0.4 22 306 9449 285 56 54.1 -14.5 | 271 54 53.7 -1.2 23 300 9580 285 56 54.1 -14.5 | 271 54 53.7 -1.2 24 256 10668 300 47 40.7 -23.5 | 284 42 40.3 -10.2 25 250 10820 295 50 45.3 -21.1 | 280 46 44.9 -7.9 26 212 11887 265 75 74.7 6.5 | 255 77 74.3 19.8 27 200 12260 270 73 73.0 -0.0 | 260 74 72.6 13.3 28 166 13411 270 75 75.0 -0.0 | 260 76 74.6 13.3 29 159 13672 255 75 72.4 19.4 | 246 79 72.0 32.7 30 150 14020 245 82 74.3 34.7 | 237 88 73.9 47.9 31 143 14326 245 82 74.3 34.7 | 237 88 73.9 47.9 32 136 14630 240 79 68.4 39.5 | 232 86 68.0 52.8 33 122 15240 230 33 25.3 21.2 | 216 43 24.8 34.5 34 116 15545 220 35 22.5 26.8 | 209 46 22.1 40.1 35 100 16459 230 43 32.9 27.6 | 218 52 32.5 40.9 36 100 16460 220 31 19.9 23.7 | 208 42 19.5 37.0 37 95 16764 220 31 19.9 23.7 | 208 42 19.5 37.0 38 90 17069 250 12 11.3 4.1 | 212 20 10.8 17.4 39 86 17374 295 18 16.3 -7.6 | 250 17 15.9 5.7 40 81 17678 305 21 17.2 -12.0 | 266 17 16.8 1.2 41 74 18288 260 12 11.8 2.1 | 217 19 11.4 15.4 42 70 18580 330 7 3.5 -6.1 | 203 8 3.1 7.2 43 63 19202 310 16 12.3 -10.3 | 256 12 11.8 3.0 44 57 19812 230 11 8.4 7.1 | 201 22 8.0 20.3 45 54 20117 320 10 6.4 -7.7 | 227 8 6.0 5.6 46 52 20422 315 11 7.8 -7.8 | 233 9 7.3 5.5 47 50 20620 260 11 10.8 1.9 | 214 18 10.4 15.2 48 47 21031 260 12 11.8 2.1 | 217 19 11.4 15.4 49 45 21336 290 25 23.5 -8.6 | 258 24 23.1 4.7 50 40 21946 280 24 23.6 -4.2 | 249 25 23.2 9.1 51 39 22250 295 23 20.8 -9.7 | 260 21 20.4 3.6 52 35 22860 250 22 20.7 7.5 | 224 29 20.2 20.8 53 33 23165 290 18 16.9 -6.2 | 247 18 16.5 7.1 54 32 23470 285 27 26.1 -7.0 | 256 26 25.6 6.3 55 30 23774 260 23 22.7 4.0 | 232 28 22.2 17.3 56 30 23810 285 18 17.4 -4.7 | 243 19 16.9 8.6 57 29 24079 270 18 18.0 -0.0 | 233 22 17.6 13.3 58 27 24384 305 23 18.8 -13.2 | 270 18 18.4 0.1 59 26 24689 310 25 19.2 -16.1 | 278 19 18.7 -2.8 60 25 24994 270 25 25.0 -0.0 | 242 28 24.6 13.3 61 23 25603 295 23 20.8 -9.7 | 260 21 20.4 3.6 62 22 25908 275 25 24.9 -2.2 | 246 27 24.5 11.1 63 20 26400 290 22 20.7 -7.5 | 254 21 20.2 5.8 64 19 26518 305 23 18.8 -13.2 | 270 18 18.4 0.1 65 15 27432 270 24 24.0 -0.0 | 241 27 23.6 13.3 66 14 27737 265 19 18.9 1.7 | 231 24 18.5 14.9 67 12 28042 300 19 16.5 -9.5 | 257 16 16.0 3.8 68 11 28346 310 23 17.6 -14.8 | 275 17 17.2 -1.5 69 9 28956 300 20 17.3 -10.0 | 259 17 16.9 3.3 Wind Parameters Mean winds (0-6000m): 328.1 at 17.7 knts Storm direction: 358.1 at 13.3 knts Shear (0-3000m) pos: 2.1 neg: 4.2 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 58.3 deg Storm rel helicity (0-3000m) pos: 52.0 neg: -36.2 tot: 15.8 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 15.9 stream: 2.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 27.09 Bulk Shear: 6.39 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 ------------------------------------------------------------------------------- 500 346 21 327 9| 0.0 35.6 35.6| 6.2 -2.9 3.3 6.6 0.49| 43.6 21.5 1000 342 30 330 17| 1.0 17.8 18.8| 17.4 -7.4 9.9 9.9 0.39| 28.6 11.2 1500 344 30 333 18| 2.4 11.9 14.3| 41.4 -7.4 34.0 22.6 0.42| 22.1 9.2 2000 347 30 338 17| 3.2 8.9 12.1| 52.0 -11.8 40.2 20.1 0.38| 18.8 7.2 2500 347 27 338 14| 2.5 6.1 8.6| 52.0 -22.4 29.6 11.8 0.26| 16.9 4.4 3000 345 25 331 12| 2.1 4.2 6.3| 52.0 -36.2 15.8 5.3 0.15| 15.9 2.4 4000 341 22 317 10| 1.0 2.3 3.2| 72.4 -52.5 19.9 5.0 0.13| 13.9 1.8 5000 336 19 299 8| 0.8 2.4 3.2|102.0 -66.9 35.1 7.0 0.12| 13.5 1.7 6000 328 18 281 9| 0.9 2.7 3.6|142.6 -82.1 60.5 10.1 0.13| 12.8 1.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251012.12.gif