UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 23 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 86 1 925 780 SFC 911 908 22.0 21.3 96 0.7 21.5 120 7 303.1 306.4 297.9 355.9 17.77 3 884 1171 19.8 19.4 98 0.4 19.5 77 10 303.5 306.5 297.0 351.7 16.25 4 872 1290 21.0 17.2 79 3.8 18.4 53 9 305.9 308.6 296.4 348.8 14.30 5 869 1320 23.6 10.6 44 13.0 15.3 44 9 308.9 310.7 293.6 337.2 9.27 6 868 1331 23.8 11.8 47 12.0 16.0 41 8 309.2 311.1 294.3 339.9 10.07 7 850 1515 22.6 14.6 61 8.0 17.1 345 6 309.8 312.2 296.1 347.6 12.39 8 832 1701 21.4 13.4 60 8.0 16.0 328 9 310.5 312.7 295.8 346.2 11.69 9 766 2411 15.2 11.8 80 3.4 13.0 311 7 311.2 313.4 295.8 346.2 11.43 10 724 2887 11.8 5.8 67 6.0 8.2 327 9 312.5 314.0 293.7 337.4 8.02 11 700 3169 9.2 6.2 81 3.0 7.4 330 8 312.7 314.3 294.1 339.1 8.53 12 669 3543 6.2 4.7 90 1.5 5.3 337 9 313.4 314.9 293.9 338.4 8.04 13 643 3868 5.6 -1.4 61 7.0 1.9 343 10 316.3 317.3 292.6 333.4 5.38 14 632 4010 5.2 -6.8 42 12.0 -0.4 342 9 317.4 318.1 291.5 329.2 3.63 15 627 4075 4.2 0.9 79 3.3 2.4 337 8 317.0 318.2 293.7 337.7 6.53 16 605 4365 3.2 -7.8 44 11.0 -1.9 320 5 319.1 319.7 291.9 330.5 3.51 17 591 4555 1.4 -4.6 64 6.0 -1.6 321 6 319.1 320.0 292.8 334.0 4.60 18 589 4582 1.6 -14.4 29 16.0 -4.7 321 6 319.7 320.1 290.8 326.8 2.13 19 585 4637 1.4 -32.6 6 34.0 -7.4 321 6 320.0 320.1 289.2 321.6 0.42 20 579 4720 1.0 -34.0 5 35.0 -7.8 322 7 320.5 320.6 289.3 321.9 0.37 21 572 4818 0.2 -12.8 37 13.0 -5.1 322 7 320.7 321.2 291.5 329.0 2.50 22 567 4889 0.0 -18.0 24 18.0 -6.5 322 7 321.3 321.6 290.8 326.9 1.63 23 564 4931 -0.3 -4.8 72 4.5 -2.5 323 8 321.4 322.3 293.6 336.9 4.75 24 558 5017 -1.1 -2.7 89 1.6 -1.9 323 8 321.4 322.6 294.3 339.7 5.63 25 551 5118 -0.9 -6.9 64 6.0 -3.7 323 8 322.8 323.7 293.4 336.5 4.14 26 543 5235 -0.7 -31.7 7 31.0 -8.9 324 9 324.4 324.5 290.6 326.3 0.50 27 539 5294 -1.3 -14.3 36 13.0 -6.5 324 9 324.4 324.9 292.3 332.4 2.34 28 537 5324 -1.3 -22.3 18 21.0 -8.2 324 9 324.8 325.0 291.4 328.9 1.19 29 534 5369 -1.7 -16.7 31 15.0 -7.3 324 9 324.8 325.2 292.1 331.4 1.94 30 531 5414 -2.3 -9.3 59 7.0 -5.4 325 10 324.6 325.3 293.4 336.5 3.56 31 519 5595 -3.3 -11.3 54 8.0 -6.7 326 10 325.5 326.1 293.3 336.0 3.11 32 509 5749 -3.9 -27.9 14 24.0 -10.6 328 9 326.6 326.8 291.5 329.3 0.76 33 507 5780 -4.1 -24.1 19 20.0 -10.3 329 9 326.7 327.0 291.9 330.6 1.07 34 504 5827 -4.7 -9.7 68 5.0 -6.9 329 9 326.6 327.3 294.0 338.8 3.64 35 501 5874 -5.1 -8.6 76 3.5 -6.7 330 9 326.6 327.4 294.3 340.0 3.99 36 500 5890 -4.9 -10.9 63 6.0 -7.5 330 9 327.1 327.7 293.9 338.3 3.33 37 499 5906 -4.7 -13.7 49 9.0 -8.3 327 9 327.5 328.0 293.4 336.6 2.66 38 497 5937 -4.9 -9.0 73 4.1 -6.8 322 8 327.6 328.4 294.5 340.7 3.90 39 488 6080 -5.7 -8.0 84 2.3 -6.8 298 6 328.4 329.2 295.0 342.8 4.29 40 484 6144 -5.9 -13.9 53 8.0 -9.1 293 6 328.9 329.4 293.9 338.1 2.70 41 460 6540 -8.1 -13.1 67 5.0 -10.2 276 5 331.0 331.6 294.7 341.4 3.03 42 458 6573 -8.3 -9.1 94 0.8 -8.7 275 5 331.1 332.0 295.6 345.4 4.20 43 454 6641 -8.5 -10.4 86 1.9 -9.4 272 5 331.7 332.5 295.4 344.8 3.82 44 447 6761 -8.3 -14.3 62 6.0 -10.7 267 5 333.4 334.0 295.1 343.3 2.83 45 403 7554 -14.5 -15.7 91 1.2 -15.0 232 3 335.4 336.0 295.6 345.2 2.79 46 400 7610 -14.7 -15.5 94 0.8 -15.0 230 3 335.9 336.5 295.7 345.9 2.86 47 388 7841 -15.5 -20.1 68 4.6 -17.0 217 6 337.8 338.2 295.5 344.9 2.00 48 373 8138 -17.5 -20.1 80 2.6 -18.3 201 9 339.0 339.4 295.8 346.4 2.08 49 355 8508 -19.1 -29.1 41 10.0 -21.5 223 10 341.6 341.8 295.6 345.3 0.97 50 326 9137 -24.1 -26.7 79 2.6 -24.8 307 5 343.2 343.4 296.2 348.1 1.32 51 325 9160 -24.3 -27.9 72 3.6 -25.2 311 5 343.2 343.4 296.1 347.6 1.19 52 319 9295 -24.7 -34.7 39 10.0 -26.6 333 3 344.5 344.6 296.0 346.9 0.63 53 300 9740 -28.3 -43.3 22 15.0 -30.3 130 3 345.5 345.6 295.9 346.6 0.28 54 294 9884 -29.3 -46.3 18 17.0 -31.3 128 4 346.1 346.1 296.0 346.9 0.20 55 287 10056 -30.7 -41.7 33 11.0 -32.1 125 5 346.5 346.5 296.1 347.8 0.34 56 250 11020 -37.9 -52.9 19 15.0 -38.9 140 7 349.7 349.7 296.7 350.2 0.11 57 200 12520 -50.9 -59.9 34 9.0 -51.2 130 14 352.2 352.2 297.1 352.4 0.06 58 150 14320 -64.7 -74.7 24 10.0 -64.8 250 4 358.6 358.6 298.4 358.7 0.01 59 100 16710 -76.7 -85.7 23 9.0 -76.7 125 27 379.5 379.5 302.2 379.5 0.00 60 85 17629 -82.3 -92.3 16 10.0 -82.3 100 27 386.3 386.3 303.2 386.3 0.00 61 76 18261 -77.5 -89.5 13 12.0 -77.5 59 35 408.9 408.9 306.3 408.9 0.00 62 70 18730 -78.9 -89.9 15 11.0 -78.9 85 4 415.6 415.6 307.2 415.6 0.00 63 67 18978 -79.3 -89.3 18 10.0 -79.3 46 11 420.0 420.0 307.7 420.0 0.00 64 61 19515 -75.1 -88.1 11 13.0 -75.2 103 16 440.7 440.7 310.0 440.7 0.00 65 57 19906 -76.7 -89.7 11 13.0 -76.7 70 18 445.7 445.7 310.4 445.7 0.00 66 50 20670 -70.3 -90.3 4 20.0 -70.5 40 21 477.8 477.8 313.2 477.8 0.00 67 48 20914 -69.3 -90.3 3 21.0 -69.5 40 21 485.8 485.8 313.9 485.8 0.00 68 46 21171 -64.3 -89.3 2 25.0 -64.7 60 19 503.8 503.8 315.2 503.8 0.00 69 39 22190 -61.7 -88.7 2 27.0 -62.3 86 15 534.8 534.8 317.2 534.8 0.00 70 30 23810 -63.5 -89.5 2 26.0 -64.1 75 17 571.5 571.5 319.2 571.6 0.00 71 29 24019 -63.9 -89.9 2 26.0 -64.5 71 17 576.0 576.0 319.5 576.0 0.00 72 20 26360 -53.3 -86.3 1 33.0 -55.9 105 47 673.0 673.0 323.5 673.1 0.01 73 16 27815 -47.7 -83.7 1 36.0 -52.6 98 42 735.7 735.7 325.6 735.8 0.02 74 15 28241 -47.7 -83.7 1 36.0 -52.8 93 38 749.4 749.4 325.9 749.6 0.02 TRP 85 17629 -82.3 -92.3 16 10.0 -82.3 100 27 386.3 386.3 303.2 386.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 567.00 mb = 4888.81 m = 16039.22 ft Wetbulb zero: 634.11 mb = 3982.46 m = 13065.65 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 63.16 % Est. max temperature: 30.01 C = 86.02 F Sfc-Lift cond lev (LCL): 902.05 mb = 994.33 m = 3262.21 ft T: 21.28 C 700-500 lapse rate: 5.18 C/km ThetaE index: 18.69 C Layer 884.0- 868.0 mb Conv cond level (CCL): 749.76 mb = 2592.11 m = 8504.21 ft Mean mixing ratio: 13.44 g/kg Conv temperature: 30.36 C = 86.64 F Cap Strength: 3.06 C Lifted Index: -1.29 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.04 C Lifted Index @700 mb: -0.90 C Showalter Index: -1.05 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 19.50 C K Index: 39.10 Risk: > 80 % chance of thunderstorms Sweat Index: 196.20 Risk: None Energy Index: -1.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 233.62 J/kg Max Up Vert Vel: 21.62 m/s Conv Inhibition (B-): 107.75 J/kg Cap Strength: 3.06 C Lift Cond Lev (LCL): 793.83 mb = 2104.64 m = 6904.90 ft Lev Free Conv (LFC): 708.83 mb = 3064.31 m = 10053.40 ft Equ Level (EL): 438.83 mb = 6902.41 m = 22645.43 ft B at Equ Level: 217.09 J/kg Max Parcel Lev (MPL): 218.83 mb = 11915.29 m = 39091.67 ft Wind level data Storm motion: 358 at 6 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 ---------------------------------------------------------- 0 911 908 120 7 -6.1 3.5 | 147 11 -6.3 9.5 1 910 914 85 10 -10.0 -0.9 | 117 11 -10.2 5.1 2 879 1219 75 10 -9.7 -2.6 | 109 10 -9.9 3.4 3 850 1515 345 6 1.6 -5.8 | 261 1 1.3 0.2 4 819 1829 315 11 7.8 -7.8 | 283 8 7.6 -1.8 5 790 2134 315 9 6.4 -6.4 | 273 6 6.1 -0.4 6 763 2438 310 7 5.4 -4.5 | 254 5 5.1 1.5 7 736 2743 325 10 5.7 -8.2 | 292 6 5.5 -2.2 8 700 3169 330 8 4.0 -6.9 | 284 4 3.8 -0.9 9 635 3962 345 10 2.6 -9.7 | 327 4 2.4 -3.7 10 611 4267 320 5 3.2 -3.8 | 234 4 3.0 2.2 11 526 5486 325 10 5.7 -8.2 | 292 6 5.5 -2.2 12 500 5890 330 9 4.5 -7.8 | 293 5 4.3 -1.8 13 487 6096 295 6 5.4 -2.5 | 236 6 5.2 3.5 14 400 7610 230 3 2.3 1.9 | 195 8 2.1 7.9 15 368 8230 195 10 2.6 9.7 | 189 16 2.4 15.7 16 339 8839 260 10 9.8 1.7 | 231 12 9.6 7.7 17 312 9449 0 0 -0.0 -0.0 | 178 6 -0.2 6.0 18 300 9740 130 3 -2.3 1.9 | 162 8 -2.5 7.9 19 263 10668 115 10 -9.1 4.2 | 138 14 -9.3 10.2 20 250 11020 140 7 -4.5 5.4 | 157 12 -4.7 11.4 21 230 11582 140 10 -6.4 7.7 | 154 15 -6.7 13.7 22 220 11887 165 11 -2.8 10.6 | 170 17 -3.1 16.6 23 201 12497 125 12 -9.8 6.9 | 142 16 -10.1 12.9 24 200 12520 130 14 -10.7 9.0 | 144 19 -10.9 15.0 25 182 13106 130 16 -12.3 10.3 | 143 21 -12.5 16.3 26 157 14021 185 19 1.7 18.9 | 183 25 1.4 24.9 27 150 14320 250 4 3.8 1.4 | 206 8 3.5 7.4 28 150 14326 205 11 4.6 10.0 | 195 17 4.4 16.0 29 142 14630 55 10 -8.2 -5.7 | 92 8 -8.4 0.3 30 122 15545 10 18 -3.1 -17.7 | 16 12 -3.4 -11.7 31 116 15850 290 14 13.2 -4.8 | 265 13 12.9 1.2 32 110 16154 250 14 13.2 4.8 | 230 17 12.9 10.8 33 104 16459 145 15 -8.6 12.3 | 154 20 -8.8 18.3 34 100 16710 125 27 -22.1 15.5 | 134 31 -22.3 21.5 35 99 16764 125 22 -18.0 12.6 | 136 26 -18.2 18.6 36 94 17069 125 27 -22.1 15.5 | 134 31 -22.3 21.5 37 85 17629 100 27 -26.6 4.7 | 112 29 -26.8 10.7 38 80 17983 100 28 -27.6 4.9 | 111 30 -27.8 10.9 39 76 18288 55 36 -29.5 -20.6 | 64 33 -29.7 -14.6 40 70 18730 85 4 -4.0 -0.3 | 143 7 -4.2 5.7 41 68 18898 25 11 -4.6 -10.0 | 51 6 -4.9 -4.0 42 64 19202 100 10 -9.8 1.7 | 128 13 -10.1 7.7 43 61 19507 105 16 -15.5 4.1 | 123 19 -15.7 10.1 44 58 19812 65 18 -16.3 -7.6 | 84 17 -16.5 -1.6 45 55 20117 80 17 -16.7 -3.0 | 100 17 -17.0 3.1 46 52 20422 70 25 -23.5 -8.6 | 84 24 -23.7 -2.5 47 50 20670 40 21 -13.5 -16.1 | 54 17 -13.7 -10.1 48 47 21031 40 21 -13.5 -16.1 | 54 17 -13.7 -10.1 49 45 21336 80 16 -15.8 -2.8 | 101 16 -16.0 3.2 50 43 21641 90 15 -15.0 0.0 | 112 16 -15.2 6.0 51 41 21946 65 14 -12.7 -5.9 | 90 13 -12.9 0.1 52 39 22250 90 15 -15.0 0.0 | 112 16 -15.2 6.0 53 37 22555 60 20 -17.3 -10.0 | 77 18 -17.5 -4.0 54 35 22860 85 22 -21.9 -1.9 | 100 23 -22.1 4.1 55 33 23165 70 10 -9.4 -3.4 | 105 10 -9.6 2.6 56 32 23470 100 11 -10.8 1.9 | 126 14 -11.1 7.9 57 30 23774 55 17 -13.9 -9.8 | 75 15 -14.2 -3.7 58 30 23810 75 17 -16.4 -4.4 | 96 17 -16.6 1.6 59 29 24079 70 17 -16.0 -5.8 | 91 16 -16.2 0.2 60 27 24384 115 23 -20.8 9.7 | 127 26 -21.1 15.7 61 25 24994 105 39 -37.7 10.1 | 113 41 -37.9 16.1 62 24 25298 110 37 -34.8 12.7 | 118 40 -35.0 18.7 63 23 25603 90 37 -37.0 0.0 | 99 38 -37.2 6.0 64 20 26360 105 47 -45.4 12.2 | 112 49 -45.6 18.2 65 18 26822 105 48 -46.4 12.4 | 112 50 -46.6 18.4 66 14 27737 85 32 -31.9 -2.8 | 96 32 -32.1 3.2 67 10 28651 95 29 -28.9 2.5 | 106 30 -29.1 8.5 Wind Parameters Mean winds (0-6000m): 327.9 at 8.0 knts Storm direction: 357.9 at 6.0 knts Shear (0-3000m) pos: 0.9 neg: 2.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 177.7 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -35.1 tot: -26.8 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.33 Bulk Shear: 25.04 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 71 10 108 10| 0.0 11.6 11.6| 0.0 -28.5 -28.5 -57.0 -0.73| 17.1-12.4 1000 25 9 62 5| 0.0 8.9 8.9| 0.4 -30.2 -29.8 -29.8 -0.60| 14.9 -9.0 1500 352 9 339 3| 0.0 4.8 4.8| 0.4 -34.5 -34.1 -22.7 -0.62| 11.1 -6.9 2000 341 9 311 4| 0.8 3.6 4.4| 5.4 -34.7 -29.3 -14.6 -0.46| 9.3 -4.3 2500 338 9 305 4| 0.7 2.9 3.6| 6.2 -35.1 -28.9 -11.6 -0.43| 7.9 -3.4 3000 338 9 306 4| 0.9 2.4 3.4| 8.3 -35.1 -26.8 -8.9 -0.36| 6.9 -2.5 4000 336 8 297 4| 0.9 1.6 2.5| 10.7 -40.0 -29.3 -7.3 -0.36| 6.2 -2.3 5000 333 9 294 4| 0.8 1.3 2.1| 13.3 -40.7 -27.4 -5.5 -0.31| 5.4 -1.7 6000 328 8 281 4| 0.7 1.1 1.8| 13.3 -53.2 -39.9 -6.6 -0.39| 5.2 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251223.00.gif