UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 22 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 96 1 925 789 SFC 912 908 21.6 20.6 94 1.0 20.9 100 8 302.6 305.7 297.3 352.9 16.98 3 894 1082 19.6 19.6 100 0.0 19.6 62 11 302.3 305.3 296.7 350.3 16.27 4 889 1131 21.4 18.4 83 3.0 19.3 54 11 304.6 307.4 296.6 349.8 15.15 5 855 1473 21.6 16.6 73 5.0 18.1 11 9 308.3 310.9 296.8 350.7 14.04 6 850 1524 21.4 16.4 73 5.0 17.9 5 9 308.6 311.2 296.8 350.8 13.94 7 780 2262 15.2 13.2 88 2.0 13.8 357 5 309.6 311.9 296.0 347.1 12.32 8 759 2493 13.6 9.8 78 3.8 11.2 354 4 310.3 312.2 294.6 341.1 10.08 9 740 2706 12.6 4.6 58 8.0 7.9 324 5 311.4 312.8 292.7 333.8 7.20 10 733 2786 12.4 -2.6 35 15.0 4.7 313 5 312.1 312.9 290.5 325.7 4.31 11 723 2901 11.0 6.2 72 4.8 8.1 297 5 311.8 313.3 293.6 337.3 8.25 12 710 3053 9.8 6.3 79 3.5 7.7 276 6 312.1 313.7 293.9 338.2 8.47 13 704 3124 9.8 -3.2 40 13.0 3.2 267 6 312.8 313.6 290.7 326.4 4.29 14 700 3171 9.4 1.4 57 8.0 5.0 260 6 312.9 314.0 292.2 331.9 6.06 15 696 3218 8.6 5.1 79 3.5 6.5 266 6 312.5 314.0 293.6 337.2 7.94 16 685 3349 8.4 -3.6 43 12.0 2.4 282 4 313.7 314.5 290.9 327.3 4.28 17 668 3556 6.6 -2.4 53 9.0 2.0 307 2 314.0 314.9 291.5 329.2 4.80 18 657 3691 6.2 -8.8 33 15.0 -0.5 325 1 315.0 315.6 290.2 324.7 2.99 19 650 3779 6.6 -28.4 6 35.0 -3.7 343 2 316.4 316.5 288.2 318.4 0.57 20 637 3944 6.0 -34.0 4 40.0 -4.6 16 4 317.6 317.6 288.3 318.8 0.34 21 583 4665 4.2 -43.8 2 48.0 -6.4 54 9 323.6 323.7 290.0 324.1 0.13 22 500 5890 -4.9 -46.9 2 42.0 -12.5 285 6 327.1 327.1 291.0 327.5 0.11 23 468 6409 -8.7 -50.7 2 42.0 -15.2 348 9 328.6 328.6 291.4 328.9 0.08 24 461 6526 -7.3 -39.3 6 32.0 -14.0 6 9 331.8 331.8 292.4 332.8 0.27 25 446 6784 -8.7 -18.7 44 10.0 -12.2 19 8 333.1 333.5 294.3 340.1 1.96 26 419 7266 -12.9 -20.9 51 8.0 -15.4 307 3 333.8 334.1 294.3 339.9 1.73 27 407 7488 -14.3 -26.3 35 12.0 -17.6 290 4 334.7 335.0 294.0 338.7 1.10 28 400 7620 -15.3 -23.3 50 8.0 -17.7 280 5 335.1 335.4 294.4 340.4 1.46 29 385 7907 -17.7 -23.7 59 6.0 -19.4 271 8 335.6 335.9 294.6 340.9 1.47 30 369 8222 -20.1 -27.1 54 7.0 -21.8 261 12 336.5 336.8 294.5 340.7 1.12 31 359 8425 -21.5 -30.5 44 9.0 -23.5 266 16 337.3 337.5 294.4 340.5 0.84 32 357 8466 -21.1 -36.1 25 15.0 -23.9 267 16 338.4 338.5 294.4 340.3 0.49 33 355 8507 -21.1 -29.1 49 8.0 -22.9 269 17 338.9 339.1 294.9 342.6 0.97 34 345 8717 -22.3 -29.3 53 7.0 -23.9 280 17 340.1 340.3 295.2 343.8 0.98 35 340 8824 -22.9 -29.9 53 7.0 -24.5 286 16 340.7 340.9 295.3 344.2 0.94 36 337 8889 -22.3 -33.3 36 11.0 -24.5 290 16 342.4 342.5 295.5 345.0 0.68 37 300 9730 -29.1 -31.3 81 2.2 -29.5 235 9 344.4 344.6 296.2 347.9 0.93 38 293 9899 -30.5 -32.3 84 1.8 -30.8 248 7 344.7 344.9 296.2 348.0 0.87 39 250 11010 -38.7 -41.6 74 2.9 -39.0 215 22 348.5 348.6 296.7 350.1 0.40 40 240 11289 -40.3 -44.0 68 3.7 -40.6 215 23 350.2 350.3 297.0 351.5 0.32 41 216 11996 -46.7 -50.2 67 3.5 -46.9 199 34 351.0 351.0 297.0 351.8 0.18 42 213 12088 -47.7 -53.7 50 6.0 -48.0 200 35 350.9 350.9 296.9 351.4 0.12 43 200 12500 -51.5 -55.1 65 3.6 -51.7 205 37 351.2 351.2 297.0 351.7 0.11 44 182 13106 -56.9 -58.5 82 1.6 -56.9 209 37 352.0 352.0 297.1 352.4 0.08 45 161 13870 -64.1 -66.1 76 2.0 -64.1 219 31 352.5 352.5 297.2 352.6 0.03 46 150 14300 -67.7 -69.9 73 2.2 -67.7 225 28 353.5 353.5 297.4 353.6 0.02 47 146 14462 -68.9 -70.9 75 2.0 -68.9 215 30 354.1 354.1 297.5 354.2 0.02 48 142 14628 -69.7 -74.7 48 5.0 -69.7 222 31 355.6 355.6 297.8 355.6 0.01 49 140 14713 -69.5 -75.5 41 6.0 -69.5 226 32 357.3 357.4 298.2 357.4 0.01 50 136 14887 -68.3 -76.3 31 8.0 -68.4 233 34 362.4 362.4 299.2 362.5 0.01 51 128 15249 -70.3 -80.3 22 10.0 -70.4 215 21 365.2 365.2 299.7 365.2 0.00 52 118 15729 -73.5 -79.5 39 6.0 -73.5 146 9 367.9 367.9 300.2 367.9 0.01 53 100 16690 -76.7 -88.7 13 12.0 -76.7 110 16 379.5 379.5 302.2 379.5 0.00 54 76 18243 -83.1 -91.1 24 8.0 -83.1 62 8 397.2 397.2 304.8 397.2 0.00 55 71 18626 -79.7 -88.7 21 9.0 -79.7 104 20 412.2 412.2 306.8 412.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 544.69 mb = 5230.23 m = 17159.33 ft Wetbulb zero: 659.22 mb = 3663.83 m = 12020.31 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 40.33 % Est. max temperature: 28.97 C = 84.14 F Sfc-Lift cond lev (LCL): 899.04 mb = 1033.05 m = 3389.24 ft T: 20.16 C 700-500 lapse rate: 5.26 C/km ThetaE index: 25.12 C Layer 780.0- 723.0 mb Conv cond level (CCL): 787.11 mb = 2183.78 m = 7164.55 ft Mean mixing ratio: 14.54 g/kg Conv temperature: 28.28 C = 82.91 F Cap Strength: 2.23 C Lifted Index: -2.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.94 C Lifted Index @700 mb: -1.28 C Showalter Index: -2.22 C Risk: Severe thunderstorms possible Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 21.30 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 220.80 Risk: None Energy Index: -4.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 438.90 J/kg Max Up Vert Vel: 29.63 m/s Conv Inhibition (B-): 44.98 J/kg Cap Strength: 2.23 C Lift Cond Lev (LCL): 819.12 mb = 1841.67 m = 6042.15 ft Lev Free Conv (LFC): 754.12 mb = 2547.13 m = 8356.61 ft Equ Level (EL): 594.12 mb = 4511.03 m = 14799.79 ft B at Equ Level: 99.97 J/kg Max Parcel Lev (MPL): 124.12 mb = 15430.85 m = 50625.53 ft Wind level data Storm motion: 48 at 5 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 8 -7.9 1.4 | 142 6 -3.9 5.0 1 911 914 90 12 -12.0 0.0 | 114 9 -8.0 3.6 2 880 1219 40 11 -7.1 -8.4 | 32 6 -3.1 -4.9 3 850 1524 5 9 -0.8 -9.0 | 329 6 3.2 -5.4 4 850 1524 10 10 -1.7 -9.8 | 340 7 2.3 -6.3 5 791 2134 355 5 0.4 -5.0 | 288 5 4.4 -1.4 6 763 2438 360 4 -0.0 -4.0 | 276 4 4.0 -0.4 7 700 3171 260 6 5.9 1.0 | 245 11 9.9 4.6 8 659 3658 320 1 0.6 -0.8 | 239 5 4.6 2.8 9 611 4267 85 7 -7.0 -0.6 | 135 4 -3.0 3.0 10 567 4877 35 10 -5.7 -8.2 | 21 5 -1.7 -4.6 11 526 5486 30 10 -5.0 -8.7 | 11 5 -1.0 -5.1 12 500 5890 285 6 5.8 -1.6 | 258 10 9.8 2.0 13 487 6096 300 7 6.1 -3.5 | 270 10 10.1 0.1 14 450 6706 35 10 -5.7 -8.2 | 21 5 -1.7 -4.6 15 433 7010 325 2 1.1 -1.6 | 249 5 5.1 1.9 16 400 7620 280 5 4.9 -0.9 | 253 9 8.9 2.7 17 368 8230 260 12 11.8 2.1 | 250 17 15.8 5.7 18 353 8534 270 18 18.0 -0.0 | 261 22 22.0 3.6 19 325 9144 305 14 11.5 -8.0 | 286 16 15.5 -4.5 20 312 9449 320 10 6.4 -7.7 | 291 11 10.4 -4.1 21 300 9730 235 9 7.4 5.2 | 232 14 11.4 8.7 22 299 9754 250 3 2.8 1.0 | 236 8 6.8 4.6 23 286 10058 245 11 10.0 4.6 | 239 16 14.0 8.2 24 262 10668 210 17 8.5 14.7 | 214 22 12.5 18.3 25 250 11010 215 22 12.6 18.0 | 218 27 16.6 21.6 26 240 11278 215 23 13.2 18.8 | 217 28 17.2 22.4 27 229 11582 195 32 8.3 30.9 | 200 37 12.3 34.5 28 200 12500 205 37 15.6 33.5 | 208 42 19.6 37.1 29 191 12802 205 39 16.5 35.3 | 208 44 20.5 38.9 30 150 14300 225 28 19.8 19.8 | 226 33 23.8 23.4 31 149 14326 210 28 14.0 24.2 | 213 33 18.0 27.8 32 135 14935 235 35 28.7 20.1 | 234 40 32.7 23.6 33 128 15240 215 21 12.0 17.2 | 218 26 16.0 20.8 34 121 15545 165 7 -1.8 6.8 | 192 11 2.2 10.3 35 115 15850 130 10 -7.7 6.4 | 160 11 -3.7 10.0 36 110 16154 165 6 -1.6 5.8 | 195 10 2.4 9.4 37 100 16690 110 16 -15.0 5.5 | 129 14 -11.0 9.0 38 93 17069 110 16 -15.0 5.5 | 129 14 -11.0 9.0 39 88 17374 90 14 -14.0 0.0 | 110 11 -10.0 3.6 40 83 17678 50 17 -13.0 -10.9 | 51 12 -9.0 -7.4 41 79 17983 35 12 -6.9 -9.8 | 25 7 -2.9 -6.3 42 74 18288 80 5 -4.9 -0.9 | 161 3 -0.9 2.7 43 70 18593 110 23 -21.6 7.9 | 123 21 -17.6 11.4 44 66 18898 120 25 -21.7 12.5 | 132 24 -17.7 16.1 Wind Parameters Mean winds (0-6000m): 18.1 at 7.1 knts Storm direction: 48.1 at 5.4 knts Shear (0-3000m) pos: 0.8 neg: 2.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 125.0 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -47.7 tot: -43.1 m^2/s^2 ave: -14.4 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 75.49 Bulk Shear: 5.81 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 53 11 58 6| 0.0 12.0 12.0| 0.0 -25.8 -25.8 -51.6 -0.98| 17.4-17.0 1000 32 10 15 5| 0.0 5.8 5.8| 0.4 -32.4 -32.0 -32.0 -0.95| 11.2-10.6 1500 25 8 352 4| 0.0 3.3 3.3| 0.4 -35.7 -35.3 -23.5 -0.94| 8.5 -8.0 2000 16 7 331 4| 0.0 3.4 3.4| 0.4 -39.5 -39.0 -19.5 -0.84| 7.7 -6.5 2500 6 7 315 5| 0.0 2.4 2.4| 2.5 -46.1 -43.6 -17.5 -0.75| 7.4 -5.6 3000 3 6 304 4| 0.8 2.0 2.8| 4.6 -47.7 -43.1 -14.4 -0.63| 7.1 -4.5 4000 26 6 331 3| 1.4 2.0 3.4| 4.9 -55.0 -50.1 -12.5 -0.62| 7.4 -4.6 5000 24 7 338 3| 1.1 2.5 3.6| 4.9 -83.6 -78.6 -15.7 -0.69| 7.5 -5.2 6000 18 7 331 4| 1.4 2.0 3.5| 34.9 -92.2 -57.3 -9.5 -0.45| 8.4 -3.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251222.00.gif