UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122400.upa.cvt Date: 0000Z 24 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 24 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 74 1 925 775 SFC 911 908 26.6 17.6 58 9.0 20.3 40 4 307.8 310.5 296.7 350.3 14.04 3 908 937 27.6 15.6 48 12.0 19.3 355 10 309.2 311.5 295.9 346.8 12.37 4 850 1520 23.0 14.0 57 9.0 16.9 345 12 310.2 312.5 295.8 346.6 11.91 5 801 2034 18.2 14.0 76 4.2 15.4 334 12 310.4 312.8 296.4 349.1 12.65 6 773 2339 16.2 8.2 59 8.0 11.2 314 10 311.5 313.1 294.0 338.8 8.86 7 757 2516 14.2 10.4 78 3.8 11.7 308 10 311.2 313.2 295.1 343.5 10.52 8 705 3115 10.4 3.4 62 7.0 6.3 337 5 313.4 314.7 293.1 335.1 6.95 9 700 3174 9.8 2.8 62 7.0 5.8 340 5 313.3 314.6 292.9 334.3 6.70 10 685 3354 8.4 5.9 84 2.5 6.9 347 3 313.7 315.4 294.4 340.3 8.54 11 593 4532 0.6 -0.8 90 1.4 -0.2 59 3 317.9 319.1 293.7 337.3 6.10 12 588 4600 0.4 -1.2 89 1.6 -0.4 52 4 318.4 319.6 293.7 337.5 5.97 13 564 4936 1.2 -26.8 10 28.0 -7.2 17 5 323.2 323.3 290.5 325.9 0.76 14 515 5665 -2.1 -48.1 2 46.0 -10.6 300 9 327.7 327.7 291.2 328.1 0.10 15 500 5900 -3.1 -43.1 3 40.0 -11.3 275 10 329.3 329.3 291.7 329.9 0.17 16 491 6043 -3.7 -41.7 3 38.0 -11.6 275 9 330.2 330.3 292.0 331.0 0.20 17 464 6488 -5.9 -13.9 53 8.0 -9.2 291 10 332.9 333.5 295.0 342.7 2.82 18 461 6539 -6.1 -19.1 35 13.0 -10.8 293 10 333.3 333.6 294.3 339.7 1.83 19 400 7630 -14.9 -22.9 50 8.0 -17.3 330 12 335.6 335.9 294.6 341.1 1.52 20 391 7802 -16.3 -23.3 55 7.0 -18.3 321 13 336.0 336.3 294.7 341.4 1.50 21 377 8076 -16.7 -32.7 24 16.0 -20.3 329 13 339.0 339.1 294.7 341.4 0.65 22 374 8136 -15.9 -36.9 15 21.0 -20.1 335 14 340.8 340.9 294.9 342.5 0.43 23 304 9665 -26.9 -53.9 6 27.0 -29.6 320 17 346.2 346.2 295.8 346.5 0.08 24 300 9760 -27.7 -53.7 7 26.0 -30.2 325 18 346.3 346.4 295.9 346.7 0.09 25 250 11040 -38.7 -48.7 34 10.0 -39.5 300 4 348.5 348.6 296.5 349.3 0.18 26 247 11123 -39.5 -47.5 42 8.0 -40.2 292 5 348.5 348.6 296.5 349.4 0.21 27 224 11783 -44.1 -62.1 12 18.0 -44.8 231 9 351.4 351.4 297.0 351.5 0.04 28 200 12530 -51.1 -62.1 26 11.0 -51.4 225 10 351.8 351.9 297.1 352.0 0.04 29 187 12964 -55.1 -58.6 65 3.5 -55.2 220 13 352.2 352.2 297.2 352.5 0.08 30 166 13716 -60.5 -67.5 39 7.0 -60.6 151 11 355.4 355.4 297.8 355.5 0.03 31 150 14340 -66.1 -70.9 51 4.8 -66.1 100 8 356.2 356.2 298.0 356.3 0.02 32 132 15098 -72.9 -74.7 76 1.8 -72.9 58 13 357.3 357.3 298.2 357.4 0.01 33 113 15991 -79.1 -82.9 53 3.8 -79.1 75 12 362.0 362.0 299.1 362.0 0.00 34 107 16302 -76.1 -84.1 27 8.0 -76.1 111 13 373.4 373.4 301.2 373.4 0.00 35 100 16690 -77.1 -88.1 16 11.0 -77.1 40 26 378.8 378.8 302.1 378.8 0.00 36 73 18474 -81.5 -90.5 20 9.0 -81.5 111 24 405.1 405.1 305.9 405.1 0.00 37 70 18710 -81.1 -90.1 20 9.0 -81.1 65 39 410.9 410.9 306.6 410.9 0.00 38 64 19216 -80.9 -89.9 21 9.0 -80.9 42 42 422.0 422.0 307.9 422.0 0.00 39 61 19493 -73.1 -88.1 8 15.0 -73.2 20 28 445.2 445.2 310.4 445.2 0.00 40 53 20328 -68.5 -89.5 3 21.0 -68.7 65 16 474.1 474.1 313.0 474.1 0.00 41 50 20680 -66.5 -89.5 3 23.0 -66.8 90 17 486.8 486.8 314.0 486.8 0.00 42 45 21321 -63.7 -89.7 2 26.0 -64.1 71 19 508.5 508.5 315.5 508.5 0.00 43 39 22196 -64.7 -89.7 2 25.0 -65.1 94 29 527.2 527.2 316.8 527.2 0.00 44 30 23820 -58.5 -87.5 1 29.0 -59.6 135 18 585.2 585.2 319.9 585.2 0.01 45 21 26068 -55.5 -86.5 1 31.0 -57.5 84 35 657.1 657.1 323.0 657.1 0.01 46 21 26068 -55.7 -86.7 1 31.0 -57.7 84 35 656.5 656.5 322.9 656.5 0.01 47 20 26380 -52.7 -85.7 1 33.0 -55.5 90 37 674.9 674.9 323.6 675.0 0.01 48 18 27063 -50.9 -83.9 1 33.0 -54.4 84 38 701.2 701.2 324.5 701.3 0.02 49 17 27435 -50.9 -84.9 1 34.0 -54.5 80 36 712.7 712.8 324.8 712.9 0.02 50 15 28260 -45.5 -82.5 1 37.0 -51.4 70 33 756.7 756.7 326.1 756.9 0.03 51 11 30344 -41.9 -80.9 1 39.0 -50.7 88 30 839.9 840.0 328.2 840.4 0.05 TRP 113 15991 -79.1 -82.9 53 3.8 -79.1 75 12 362.0 362.0 299.1 362.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5826.00 m Freezing level: 546.18 mb = 5201.11 m = 17063.82 ft Wetbulb zero: 595.04 mb = 4504.09 m = 14777.02 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 57.41 % Est. max temperature: 29.90 C = 85.83 F Sfc-Lift cond lev (LCL): 798.90 mb = 2056.58 m = 6747.24 ft T: 18.05 C 700-500 lapse rate: 4.73 C/km ThetaE index: 10.29 C Layer 773.0- 757.0 mb Conv cond level (CCL): 725.72 mb = 2871.07 m = 9419.39 ft Mean mixing ratio: 12.19 g/kg Conv temperature: 31.10 C = 87.98 F Cap Strength: 1.34 C Lifted Index: 0.92 C Risk: Showers probable Lifted Index @300 mb: 2.28 C Lifted Index @700 mb: -0.00 C Showalter Index: 1.10 C Risk: Showers probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 17.10 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 202.00 Risk: None Energy Index: -3.09 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 102.22 J/kg Max Up Vert Vel: 14.30 m/s Conv Inhibition (B-): 42.44 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 751.94 mb = 2572.62 m = 8440.24 ft Lev Free Conv (LFC): 696.94 mb = 3210.41 m = 10532.71 ft Equ Level (EL): 556.94 mb = 5037.13 m = 16525.80 ft B at Equ Level: 94.77 J/kg Max Parcel Lev (MPL): 356.94 mb = 8480.46 m = 27822.69 ft Wind level data Storm motion: 344 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 ---------------------------------------------------------- 0 911 908 40 4 -2.6 -3.1 | 119 5 -4.1 2.2 1 910 914 355 10 0.9 -10.0 | 8 5 -0.6 -4.7 2 850 1520 345 12 3.1 -11.6 | 346 7 1.6 -6.3 3 820 1829 340 13 4.4 -12.2 | 337 8 2.9 -6.9 4 791 2134 330 11 5.5 -9.5 | 317 6 4.0 -4.2 5 763 2438 305 10 8.2 -5.7 | 274 7 6.7 -0.5 6 700 3174 340 5 1.7 -4.7 | 200 1 0.2 0.6 7 659 3658 0 0 -0.0 -0.0 | 164 5 -1.5 5.3 8 612 4267 85 2 -2.0 -0.2 | 146 6 -3.5 5.1 9 500 5900 275 10 10.0 -0.9 | 242 10 8.5 4.4 10 488 6096 275 9 9.0 -0.8 | 239 9 7.5 4.5 11 417 7315 325 11 6.3 -9.0 | 308 6 4.8 -3.7 12 401 7620 335 13 5.5 -11.8 | 328 8 4.0 -6.5 13 400 7630 330 12 6.0 -10.4 | 319 7 4.5 -5.1 14 384 7925 315 13 9.2 -9.2 | 297 9 7.7 -3.9 15 369 8230 345 14 3.6 -13.5 | 346 9 2.1 -8.2 16 340 8839 325 12 6.9 -9.8 | 310 7 5.4 -4.5 17 313 9449 310 16 12.3 -10.3 | 295 12 10.8 -5.0 18 300 9760 325 18 10.3 -14.7 | 317 13 8.8 -9.5 19 288 10058 325 19 10.9 -15.6 | 318 14 9.4 -10.3 20 275 10363 325 14 8.0 -11.5 | 313 9 6.5 -6.2 21 252 10973 310 3 2.3 -1.9 | 193 3 0.8 3.4 22 250 11040 300 4 3.5 -2.0 | 211 4 2.0 3.3 23 220 11887 220 10 6.4 7.7 | 201 14 4.9 12.9 24 200 12530 225 10 7.1 7.1 | 204 14 5.6 12.4 25 192 12802 225 11 7.8 7.8 | 206 14 6.3 13.1 26 182 13106 215 15 8.6 12.3 | 202 19 7.1 17.6 27 174 13411 175 13 -1.1 13.0 | 172 18 -2.6 18.2 28 150 14340 100 8 -7.9 1.4 | 125 12 -9.4 6.7 29 143 14630 65 10 -9.1 -4.2 | 96 11 -10.6 1.1 30 129 15240 55 14 -11.5 -8.0 | 78 13 -13.0 -2.7 31 116 15850 0 0 -0.0 -0.0 | 164 5 -1.5 5.3 32 113 15991 75 12 -11.6 -3.1 | 99 13 -13.1 2.2 33 110 16154 170 1 -0.2 1.0 | 165 6 -1.7 6.3 34 104 16459 50 26 -19.9 -16.7 | 62 24 -21.4 -11.4 35 100 16690 40 26 -16.7 -19.9 | 51 23 -18.2 -14.6 36 99 16764 45 31 -21.9 -21.9 | 55 29 -23.4 -16.6 37 94 17069 40 26 -16.7 -19.9 | 51 23 -18.2 -14.6 38 89 17374 55 15 -12.3 -8.6 | 76 14 -13.8 -3.3 39 84 17678 70 19 -17.9 -6.5 | 86 19 -19.4 -1.2 40 80 17983 60 17 -14.7 -8.5 | 79 17 -16.2 -3.2 41 75 18288 105 20 -19.3 5.2 | 117 23 -20.8 10.5 42 71 18593 115 27 -24.5 11.4 | 123 31 -26.0 16.7 43 70 18710 65 39 -35.3 -16.5 | 73 39 -36.8 -11.2 44 64 19202 45 44 -31.1 -31.1 | 52 42 -32.6 -25.8 45 61 19507 20 28 -9.6 -26.3 | 28 24 -11.1 -21.0 46 58 19812 30 14 -7.0 -12.1 | 51 11 -8.5 -6.8 47 52 20422 70 16 -15.0 -5.5 | 89 17 -16.5 -0.2 48 50 20680 90 17 -17.0 0.0 | 106 19 -18.5 5.3 49 50 20726 55 12 -9.8 -6.9 | 82 11 -11.3 -1.6 50 39 22250 95 30 -29.9 2.6 | 104 32 -31.4 7.9 51 33 23165 105 28 -27.0 7.2 | 114 31 -28.5 12.5 52 30 23774 105 14 -13.5 3.6 | 121 17 -15.0 8.9 53 30 23820 135 18 -12.7 12.7 | 142 23 -14.2 18.0 54 29 24079 140 16 -10.3 12.3 | 146 21 -11.8 17.5 55 27 24384 115 20 -18.1 8.5 | 125 24 -19.6 13.7 56 26 24689 135 21 -14.8 14.8 | 141 26 -16.3 20.1 57 25 24994 110 22 -20.7 7.5 | 120 26 -22.2 12.8 58 24 25298 120 26 -22.5 13.0 | 127 30 -24.0 18.3 59 22 25908 95 40 -39.8 3.5 | 102 42 -41.3 8.8 60 21 26213 75 31 -29.9 -8.0 | 85 32 -31.4 -2.7 61 20 26380 90 37 -37.0 0.0 | 98 39 -38.5 5.3 62 19 26518 90 40 -40.0 0.0 | 97 42 -41.5 5.3 63 15 27432 70 33 -31.0 -11.3 | 80 33 -32.5 -6.0 64 12 28346 85 29 -28.9 -2.5 | 95 31 -30.4 2.8 65 8 29870 105 34 -32.8 8.8 | 112 37 -34.3 14.1 66 7 30175 85 42 -41.8 -3.7 | 92 43 -43.3 1.6 Wind Parameters Mean winds (0-6000m): 314.2 at 7.3 knts Storm direction: 344.2 at 5.5 knts Shear (0-3000m) pos: 1.7 neg: 1.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 38.3 deg Storm rel helicity (0-3000m) pos: 1.0 neg: -22.7 tot: -21.7 m^2/s^2 ave: -7.2 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 18.02 Bulk Shear: 5.67 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 ------------------------------------------------------------------------------- 500 351 11 357 5| 0.0 10.1 10.1| 0.0 -7.6 -7.6 -15.1 -0.96| 11.8-11.3 1000 346 12 348 6| 0.0 5.8 5.8| 0.0 -11.4 -11.4 -11.4 -0.92| 7.3 -6.7 1500 340 11 336 6| 0.0 3.8 3.8| 0.0 -21.0 -21.0 -14.0 -0.93| 7.0 -6.5 2000 335 11 325 5| 1.1 2.8 4.0| 0.7 -21.3 -20.7 -10.3 -0.75| 6.4 -4.8 2500 334 9 321 4| 1.7 2.3 4.0| 0.7 -21.9 -21.2 -8.5 -0.70| 6.1 -4.3 3000 334 8 315 3| 1.7 1.9 3.6| 1.0 -22.7 -21.7 -7.2 -0.64| 5.6 -3.6 4000 340 7 320 1| 1.5 1.7 3.3| 1.0 -29.6 -28.6 -7.1 -0.66| 5.1 -3.4 5000 323 7 274 3| 1.2 2.4 3.6| 1.0 -39.9 -38.9 -7.8 -0.67| 5.6 -3.7 6000 314 7 267 4| 1.1 2.0 3.1| 11.8 -41.1 -29.2 -4.9 -0.51| 5.2 -2.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251224.00.gif