UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 18 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 141 1 925 812 SFC 914 908 17.0 12.3 74 4.7 14.0 70 8 297.7 299.5 290.7 326.4 9.88 3 850 1529 10.2 8.9 92 1.3 9.5 60 10 296.8 298.4 289.2 321.4 8.45 4 837 1657 9.2 8.6 96 0.6 8.9 30 12 297.1 298.6 289.2 321.6 8.41 5 803 2002 13.0 9.5 79 3.5 10.9 347 18 304.7 306.4 292.4 332.6 9.32 6 785 2191 11.8 6.8 71 5.0 8.8 351 18 305.4 306.8 291.5 329.3 7.92 7 781 2234 12.8 -7.2 24 20.0 3.7 355 15 306.9 307.4 287.3 315.9 2.85 8 770 2353 15.6 7 9 311.2 9 745 2632 14.8 -33.2 2 48.0 0.9 356 6 313.2 313.3 286.9 314.4 0.31 10 700 3154 11.2 -30.8 4 42.0 -1.2 300 6 314.9 315.0 287.5 316.4 0.42 11 526 5465 -5.7 -43.7 3 38.0 -12.6 234 21 321.4 321.4 289.3 322.0 0.15 12 500 5860 -8.1 -52.1 1 44.0 -14.6 245 24 323.2 323.2 289.8 323.4 0.06 13 458 6538 -11.5 -44.5 5 33.0 -17.0 235 21 327.1 327.2 291.0 327.7 0.16 14 439 6861 -14.7 -35.7 15 21.0 -18.8 238 20 327.1 327.1 291.3 328.6 0.41 15 420 7195 -17.1 -43.1 8 26.0 -21.0 258 22 328.2 328.2 291.4 328.9 0.20 16 400 7560 -18.3 -56.3 2 38.0 -22.4 270 23 331.2 331.2 292.1 331.4 0.05 17 350 8546 -22.3 -60.3 2 38.0 -25.8 273 50 338.7 338.7 294.0 338.8 0.03 18 336 8844 -24.3 -38.3 26 14.0 -26.6 275 60 339.9 340.0 294.7 341.6 0.42 19 329 8997 -24.3 -42.3 17 18.0 -26.9 273 60 342.0 342.1 295.1 343.1 0.28 20 300 9660 -29.9 -46.9 18 17.0 -31.7 265 59 343.2 343.3 295.3 344.0 0.19 21 266 10504 -37.1 -50.1 25 13.0 -38.1 255 69 344.7 344.8 295.6 345.3 0.15 22 254 10821 -38.9 -57.9 12 19.0 -39.9 255 70 346.7 346.7 296.0 346.9 0.06 23 250 10930 -39.7 -57.7 13 18.0 -40.7 255 71 347.0 347.1 296.0 347.3 0.06 24 200 12420 -52.1 -66.1 17 14.0 -52.4 265 69 350.3 350.3 296.7 350.4 0.03 25 187 12850 -55.4 -69.4 16 14.0 -55.6 275 73 351.8 351.8 297.0 351.9 0.02 26 160 13822 -62.9 -76.9 13 14.0 -63.0 271 70 355.1 355.1 297.7 355.1 0.01 27 157 13939 -60.7 -82.7 4 22.0 -60.9 270 69 360.8 360.8 298.8 360.8 0.00 28 150 14220 -63.1 -80.1 8 17.0 -63.2 255 54 361.4 361.4 299.0 361.4 0.00 29 110 16067 -75.7 -88.7 11 13.0 -75.7 258 48 371.2 371.2 300.8 371.2 0.00 30 100 16620 -73.9 -91.9 5 18.0 -73.9 235 31 384.9 384.9 303.1 384.9 0.00 31 84 17627 -79.7 -90.7 15 11.0 -79.7 250 11 392.8 392.8 304.2 392.9 0.00 32 77 18121 -80.1 -90.1 17 10.0 -80.1 234 6 401.9 401.9 305.5 401.9 0.00 33 70 18670 -74.1 -89.1 8 15.0 -74.2 270 8 425.9 425.9 308.4 425.9 0.00 34 64 19190 -75.1 -90.1 8 15.0 -75.2 240 11 434.7 434.7 309.3 434.7 0.00 35 57 19867 -70.9 -89.9 4 19.0 -71.0 184 15 458.9 458.9 311.7 458.9 0.00 36 51 20523 -72.1 -92.1 3 20.0 -72.2 90 15 470.9 470.9 312.7 470.9 0.00 37 50 20640 -69.7 -91.7 3 22.0 -69.9 70 16 479.2 479.2 313.4 479.2 0.00 38 42 21701 -61.5 -89.5 1 28.0 -62.1 62 15 524.0 524.0 316.5 524.1 0.00 39 30 23810 -57.1 -88.1 1 31.0 -58.4 105 25 589.0 589.0 320.1 589.0 0.01 40 27 24476 -55.5 -86.5 1 31.0 -57.2 82 27 611.5 611.5 321.1 611.5 0.01 41 26 24715 -57.3 -87.3 1 30.0 -58.7 73 26 613.0 613.0 321.2 613.1 0.01 42 21 26082 -50.3 -85.3 1 35.0 -53.6 39 17 672.8 672.8 323.5 672.9 0.01 43 20 26400 -50.3 -85.3 1 35.0 -53.7 40 11 682.2 682.2 323.9 682.3 0.01 44 17 27464 -49.1 -84.1 1 35.0 -53.3 50 12 718.5 718.5 325.0 718.7 0.02 45 16 27861 -50.1 -85.1 1 35.0 -54.1 72 12 727.8 727.8 325.3 728.0 0.02 TRP 84 17627 -79.7 -90.7 15 11.0 -79.7 250 11 392.8 392.8 304.2 392.9 0.00 WND 187 12850 -55.4 -69.4 16 14.0 -55.6 275 73 351.8 351.8 297.0 351.9 0.02 Sounding variables and indices 1000-500 mb thick: 5719.00 m Freezing level: 584.69 mb = 4685.22 m = 15371.28 ft Wetbulb zero: 725.28 mb = 2856.75 m = 9372.43 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 25.72 % Est. max temperature: 30.59 C = 87.06 F Sfc-Lift cond lev (LCL): 852.18 mb = 1507.10 m = 4944.48 ft T: 10.44 C 700-500 lapse rate: 7.13 C/km ThetaE index: 18.25 C Layer 785.0- 700.0 mb Conv cond level (CCL): 842.48 mb = 1602.55 m = 5257.63 ft Mean mixing ratio: 8.96 g/kg Conv temperature: 16.29 C = 61.32 F Cap Strength: 10.03 C Lifted Index: 6.18 C Risk: None Lifted Index @300 mb: 14.38 C Lifted Index @700 mb: 9.19 C Showalter Index: 7.52 C Risk: None Total Totals Index: 35.30 C Risk: None Vertical Totals Index: 18.30 C Cross Totals Index: 17.00 C K Index: -14.80 Risk: None Sweat Index: 150.80 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.56 J/kg Max Up Vert Vel: 5.40 m/s Conv Inhibition (B-): 35974.61 J/kg Cap Strength: 10.00 C Lift Cond Lev (LCL): 832.71 mb = 1699.37 m = 5575.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 10 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 ---------------------------------------------------------- 0 914 908 70 8 -7.5 -2.7 | 87 17 -17.3 -0.9 1 850 1524 60 12 -10.4 -6.0 | 78 21 -20.1 -4.2 2 850 1529 60 10 -8.7 -5.0 | 80 19 -18.4 -3.2 3 820 1829 350 14 2.4 -13.8 | 31 14 -7.3 -12.0 4 791 2134 345 21 5.4 -20.3 | 13 19 -4.3 -18.5 5 762 2438 15 4 -1.0 -3.9 | 79 11 -10.8 -2.1 6 709 3048 315 10 7.1 -7.1 | 27 6 -2.7 -5.3 7 700 3154 300 6 5.2 -3.0 | 75 5 -4.6 -1.2 8 633 3962 245 1 0.9 0.4 | 104 9 -8.8 2.2 9 610 4267 215 7 4.0 5.7 | 143 9 -5.7 7.5 10 587 4572 210 12 6.0 10.4 | 163 13 -3.8 12.2 11 565 4877 215 19 10.9 15.6 | 184 17 1.1 17.4 12 504 5791 245 22 19.9 9.3 | 223 15 10.2 11.1 13 500 5860 245 24 21.8 10.1 | 225 17 12.0 11.9 14 485 6096 230 22 16.9 14.1 | 204 17 7.1 15.9 15 430 7010 240 20 17.3 10.0 | 213 14 7.6 11.8 16 413 7315 270 24 24.0 -0.0 | 263 14 14.2 1.8 17 400 7560 270 23 23.0 -0.0 | 262 13 13.2 1.8 18 397 7620 265 24 23.9 2.1 | 255 15 14.2 3.9 19 365 8230 270 40 40.0 -0.0 | 267 30 30.2 1.8 20 336 8839 275 60 59.8 -5.2 | 274 50 50.0 -3.4 21 300 9660 265 59 58.8 5.1 | 262 50 49.0 6.9 22 271 10363 255 68 65.7 17.6 | 251 59 55.9 19.4 23 250 10930 255 71 68.6 18.4 | 251 62 58.8 20.2 24 200 12420 265 69 68.7 6.0 | 262 59 59.0 7.8 25 187 12850 275 73 72.7 -6.4 | 274 63 63.0 -4.6 26 179 13106 275 73 72.7 -6.4 | 274 63 63.0 -4.6 27 155 14021 270 69 69.0 -0.0 | 268 59 59.2 1.8 28 150 14220 255 54 52.2 14.0 | 250 45 42.4 15.8 29 147 14326 255 54 52.2 14.0 | 250 45 42.4 15.8 30 133 14935 265 43 42.8 3.7 | 260 34 33.1 5.5 31 120 15545 280 47 46.3 -8.2 | 280 37 36.5 -6.4 32 103 16459 240 49 42.4 24.5 | 231 42 32.7 26.3 33 100 16620 235 31 25.4 17.8 | 219 25 15.6 19.6 34 98 16764 235 31 25.4 17.8 | 219 25 15.6 19.6 35 93 17069 245 23 20.8 9.7 | 224 16 11.1 11.5 36 84 17627 250 11 10.3 3.8 | 186 6 0.6 5.6 37 83 17678 240 19 16.5 9.5 | 211 13 6.7 11.3 38 79 17983 220 10 6.4 7.7 | 161 10 -3.3 9.5 39 75 18288 250 1 0.9 0.3 | 104 9 -8.8 2.1 40 70 18670 270 8 8.0 -0.0 | 136 3 -1.8 1.8 41 64 19202 240 11 9.5 5.5 | 178 7 -0.2 7.3 42 58 19812 190 16 2.8 15.8 | 158 19 -7.0 17.5 43 55 20117 160 10 -3.4 9.4 | 130 17 -13.2 11.2 44 50 20640 70 16 -15.0 -5.5 | 82 25 -24.8 -3.7 45 49 20726 120 14 -12.1 7.0 | 112 24 -21.9 8.8 46 47 21031 70 17 -16.0 -5.8 | 81 26 -25.7 -4.0 47 45 21336 55 25 -20.5 -14.3 | 67 33 -30.2 -12.5 48 43 21641 55 15 -12.3 -8.6 | 73 23 -22.0 -6.8 49 41 21946 80 14 -13.8 -2.4 | 88 24 -23.5 -0.6 50 39 22250 50 13 -10.0 -8.4 | 72 21 -19.7 -6.6 51 37 22555 85 10 -10.0 -0.9 | 93 20 -19.7 0.9 52 35 22860 55 13 -10.6 -7.5 | 74 21 -20.4 -5.7 53 33 23165 55 12 -9.8 -6.9 | 75 20 -19.6 -5.1 54 32 23470 120 14 -12.1 7.0 | 112 24 -21.9 8.8 55 30 23774 110 15 -14.1 5.1 | 106 25 -23.8 6.9 56 30 23810 105 25 -24.1 6.5 | 104 35 -33.9 8.3 57 26 24689 75 28 -27.0 -7.2 | 82 37 -36.8 -5.5 58 25 24994 60 13 -11.3 -6.5 | 77 22 -21.0 -4.7 59 24 25298 80 17 -16.7 -3.0 | 87 27 -26.5 -1.2 60 23 25603 70 27 -25.4 -9.2 | 78 36 -35.1 -7.4 61 22 25908 30 18 -9.0 -15.6 | 54 23 -18.8 -13.8 62 21 26213 45 16 -11.3 -11.3 | 66 23 -21.1 -9.5 63 20 26400 40 11 -7.1 -8.4 | 68 18 -16.8 -6.6 64 19 26518 25 16 -6.8 -14.5 | 52 21 -16.5 -12.7 65 18 26822 30 12 -6.0 -10.4 | 61 18 -15.8 -8.6 66 16 27127 75 12 -11.6 -3.1 | 86 21 -21.3 -1.3 67 15 27432 50 12 -9.2 -7.7 | 73 20 -18.9 -5.9 68 14 27737 95 16 -15.9 1.4 | 97 26 -25.7 3.2 69 12 28042 90 16 -16.0 0.0 | 94 26 -25.8 1.8 Wind Parameters Mean winds (0-6000m): 250.4 at 13.2 knts Storm direction: 280.4 at 9.9 knts Shear (0-3000m) pos: 1.9 neg: 2.5 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 18.1 deg Storm rel helicity (0-3000m) pos: 67.0 neg: -112.8 tot: -45.8 m^2/s^2 ave: -15.3 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 68.82 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 65 10 83 19| 0.0 3.6 3.6| 0.0 -11.3 -11.3 -22.5 -0.65| 3.6 -2.3 1000 43 11 70 18| 0.0 8.5 8.5| 0.0 -82.0 -82.0 -82.0 -0.86| 10.9 -9.3 1500 18 13 53 17| 3.7 5.7 9.4| 56.0 -96.9 -40.9 -27.2 -0.17| 14.4 -2.4 2000 12 11 54 15| 2.8 5.6 8.4| 58.2-109.7 -51.5 -25.7 -0.23| 12.6 -2.9 2500 2 10 51 13| 2.2 3.7 5.9| 65.6-112.3 -46.7 -18.7 -0.12| 11.9 -1.4 3000 359 9 53 12| 1.9 2.5 4.4| 67.0-112.8 -45.8 -15.3 -0.10| 10.5 -1.1 4000 332 9 42 8| 2.3 2.2 4.4|112.7-112.8 -0.0 -0.0 0.11| 10.3 1.1 5000 266 11 214 3| 1.8 1.7 3.5|158.4-115.9 42.5 8.5 0.20| 9.5 1.9 6000 250 13 203 7| 1.4 1.1 2.5|167.2-138.4 28.9 4.8 0.16| 8.7 1.4 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251218.12.gif