UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 19 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 135 1 925 811 SFC 914 908 17.8 16.0 89 1.8 16.6 40 5 298.5 300.8 293.1 335.2 12.61 3 850 1529 12.4 12.4 100 0.0 12.4 80 10 299.1 301.1 291.8 330.4 10.70 4 832 1708 11.4 11.0 97 0.4 11.2 53 11 299.9 301.7 291.5 329.1 9.96 5 822 1810 14.4 4.4 51 10.0 8.8 38 12 304.1 305.3 289.8 323.4 6.39 6 815 1882 15.0 -2.0 31 17.0 6.4 42 13 305.5 306.3 288.1 318.0 4.05 7 796 2082 16.4 -21.6 6 38.0 2.9 68 14 309.1 309.2 286.0 311.9 0.85 8 754 2542 15.6 -18.4 8 34.0 2.6 98 19 313.0 313.3 287.8 317.0 1.19 9 700 3166 10.8 -27.2 5 38.0 -1.1 130 16 314.4 314.6 287.6 316.5 0.59 10 668 3552 7.4 -29.6 5 37.0 -3.3 137 12 314.9 315.0 287.6 316.6 0.49 11 572 4809 0.8 -44.2 2 45.0 -8.4 183 15 321.4 321.4 289.3 321.9 0.13 12 552 5093 -1.1 -47.1 2 46.0 -9.7 193 17 322.4 322.5 289.6 322.8 0.10 13 500 5870 -7.9 -28.9 17 21.0 -13.2 210 28 323.4 323.5 290.5 325.9 0.70 14 436 6916 -17.3 -33.3 23 16.0 -20.4 245 23 324.4 324.5 290.7 326.3 0.53 15 425 7107 -18.7 -38.7 15 20.0 -22.0 244 22 325.0 325.1 290.6 326.2 0.32 16 420 7196 -17.9 -49.9 4 32.0 -21.8 238 21 327.1 327.1 291.0 327.5 0.10 17 400 7560 -19.1 -58.1 2 39.0 -23.0 235 28 330.2 330.2 291.8 330.3 0.04 18 349 8566 -24.7 -59.7 2 35.0 -27.6 241 50 335.7 335.7 293.3 335.9 0.04 19 311 9395 -31.1 -39.1 45 8.0 -32.1 245 75 338.0 338.1 294.2 339.7 0.41 20 300 9650 -32.7 -60.7 4 28.0 -34.4 245 71 339.3 339.3 294.2 339.4 0.04 21 295 9767 -33.7 -61.7 4 28.0 -35.3 245 72 339.5 339.5 294.2 339.6 0.03 22 274 10278 -37.7 -58.1 10 20.4 -38.8 245 78 341.0 341.0 294.6 341.2 0.05 23 260 10635 -40.5 -55.5 18 15.0 -41.3 245 74 342.0 342.0 294.9 342.3 0.08 24 250 10900 -41.5 -66.5 5 25.0 -42.4 245 71 344.4 344.4 295.4 344.5 0.02 25 222 11700 -45.1 -74.1 2 29.0 -45.9 248 67 350.7 350.7 296.8 350.8 0.01 26 200 12390 -49.9 -76.9 3 27.0 -50.4 265 68 353.8 353.8 297.4 353.8 0.01 27 160 13811 -60.9 -79.9 6 19.0 -61.0 249 72 358.5 358.5 298.4 358.5 0.00 28 150 14210 -62.9 -82.9 5 20.0 -63.0 240 64 361.7 361.7 299.0 361.7 0.00 29 101 16582 -75.7 -90.7 8 15.0 -75.7 207 37 380.4 380.4 302.3 380.4 0.00 30 100 16640 -75.5 -91.5 6 16.0 -75.5 210 35 381.9 381.9 302.5 381.9 0.00 31 85 17579 -77.7 -91.7 9 14.0 -77.7 205 19 395.6 395.6 304.6 395.6 0.00 32 71 18609 -79.1 -90.1 15 11.0 -79.1 162 29 413.5 413.5 306.9 413.5 0.00 33 70 18690 -78.5 -89.5 15 11.0 -78.6 160 32 416.4 416.4 307.3 416.5 0.00 34 52 20417 -72.1 -91.1 4 19.0 -72.2 109 13 468.3 468.3 312.5 468.3 0.00 35 50 20650 -68.5 -90.5 3 22.0 -68.7 115 16 482.1 482.1 313.6 482.1 0.00 36 40 22006 -60.9 -88.9 1 28.0 -61.6 68 15 532.9 532.9 317.1 532.9 0.00 37 30 23810 -55.9 -85.9 1 30.0 -57.3 95 23 592.2 592.3 320.3 592.3 0.01 38 29 24026 -55.1 -85.1 1 30.0 -56.7 91 23 600.2 600.2 320.6 600.3 0.01 39 20 26410 -53.5 -83.5 1 30.0 -56.1 90 16 672.4 672.4 323.5 672.6 0.02 40 12 29735 -48.3 -81.3 1 33.0 -53.8 88 22 796.6 796.6 327.2 797.0 0.04 TRP 85 17579 -77.7 -91.7 9 14.0 -77.7 205 19 395.6 395.6 304.6 395.6 0.00 WND 274 10278 -37.7 -58.1 10 20.4 -38.8 245 78 341.0 341.0 294.6 341.2 0.05 Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 563.58 mb = 4928.57 m = 16169.64 ft Wetbulb zero: 716.00 mb = 2976.17 m = 9764.22 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 22.01 % Est. max temperature: 30.99 C = 87.79 F Sfc-Lift cond lev (LCL): 890.16 mb = 1134.09 m = 3720.72 ft T: 15.83 C 700-500 lapse rate: 6.92 C/km ThetaE index: 23.29 C Layer 850.0- 754.0 mb Conv cond level (CCL): 842.12 mb = 1606.87 m = 5271.81 ft Mean mixing ratio: 10.49 g/kg Conv temperature: 18.72 C = 65.70 F Cap Strength: 7.96 C Lifted Index: 3.04 C Risk: None Lifted Index @300 mb: 7.24 C Lifted Index @700 mb: 6.27 C Showalter Index: 3.15 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.30 C K Index: -5.30 Risk: None Sweat Index: 196.80 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.50 J/kg Max Up Vert Vel: 6.56 m/s Conv Inhibition (B-): 38442.03 J/kg Cap Strength: 7.82 C Lift Cond Lev (LCL): 838.24 mb = 1645.51 m = 5398.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 203 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 ---------------------------------------------------------- 0 914 908 40 5 -3.2 -3.8 | 28 18 -8.2 -15.8 1 913 914 70 10 -9.4 -3.4 | 43 21 -14.4 -15.4 2 850 1524 80 10 -9.8 -1.7 | 47 20 -14.9 -13.7 3 850 1529 80 10 -9.8 -1.7 | 47 20 -14.9 -13.7 4 820 1829 35 12 -6.9 -9.8 | 29 25 -11.9 -21.8 5 791 2134 75 15 -14.5 -3.9 | 51 25 -19.5 -15.8 6 763 2438 95 19 -18.9 1.7 | 67 26 -24.0 -10.3 7 736 2743 105 20 -19.3 5.2 | 74 25 -24.4 -6.8 8 710 3048 105 13 -12.6 3.4 | 64 20 -17.6 -8.6 9 700 3166 130 16 -12.3 10.3 | 84 17 -17.3 -1.7 10 684 3353 125 16 -13.1 9.2 | 81 18 -18.1 -2.8 11 658 3658 145 10 -5.7 8.2 | 71 11 -10.8 -3.8 12 634 3962 195 11 2.8 10.6 | 59 3 -2.2 -1.3 13 610 4267 190 15 2.6 14.8 | 139 4 -2.4 2.8 14 588 4572 165 16 -4.1 15.5 | 111 10 -9.2 3.5 15 566 4877 190 14 2.4 13.8 | 125 3 -2.6 1.8 16 505 5791 205 30 12.7 27.2 | 207 17 7.6 15.2 17 500 5870 210 28 14.0 24.2 | 216 15 9.0 12.3 18 485 6096 210 26 13.0 22.5 | 217 13 8.0 10.6 19 466 6401 220 24 15.4 18.4 | 238 12 10.4 6.4 20 430 7010 250 23 21.6 7.9 | 284 17 16.6 -4.1 21 413 7315 230 20 15.3 12.9 | 265 10 10.3 0.9 22 400 7560 235 28 22.9 16.1 | 257 18 17.9 4.1 23 365 8230 240 40 34.6 20.0 | 255 31 29.6 8.0 24 308 9449 245 77 69.8 32.5 | 252 68 64.8 20.6 25 300 9650 245 71 64.3 30.0 | 253 62 59.3 18.0 26 274 10278 245 78 70.7 33.0 | 252 69 65.7 21.0 27 271 10363 245 78 70.7 33.0 | 252 69 65.7 21.0 28 250 10900 245 71 64.3 30.0 | 253 62 59.3 18.0 29 206 12192 250 64 60.1 21.9 | 260 56 55.1 9.9 30 200 12390 265 68 67.7 5.9 | 275 63 62.7 -6.0 31 187 12802 265 69 68.7 6.0 | 275 64 63.7 -5.9 32 155 14021 245 73 66.2 30.9 | 253 64 61.1 18.9 33 150 14210 240 64 55.4 32.0 | 248 54 50.4 20.0 34 126 15240 215 55 31.5 45.1 | 219 42 26.5 33.1 35 103 16459 200 41 14.0 38.5 | 199 28 9.0 26.6 36 100 16640 210 35 17.5 30.3 | 214 22 12.5 18.3 37 98 16764 210 35 17.5 30.3 | 214 22 12.5 18.3 38 88 17374 200 39 13.3 36.6 | 199 26 8.3 24.7 39 85 17579 205 19 8.0 17.2 | 210 6 3.0 5.3 40 84 17678 210 21 10.5 18.2 | 221 8 5.5 6.2 41 79 17983 180 9 0.0 9.0 | 60 6 -5.0 -3.0 42 70 18690 160 32 -10.9 30.1 | 139 24 -16.0 18.1 43 68 18898 165 31 -8.0 29.9 | 144 22 -13.1 18.0 44 64 19202 150 32 -16.0 27.7 | 127 26 -21.0 15.7 45 61 19507 105 17 -16.4 4.4 | 71 23 -21.5 -7.6 46 58 19812 115 6 -5.4 2.5 | 48 14 -10.5 -9.4 47 55 20117 100 10 -9.8 1.7 | 56 18 -14.9 -10.2 48 50 20650 115 16 -14.5 6.8 | 75 20 -19.5 -5.2 49 49 20726 160 13 -4.4 12.2 | 92 9 -9.5 0.3 50 47 21031 115 17 -15.4 7.2 | 77 21 -20.4 -4.8 51 45 21336 115 17 -15.4 7.2 | 77 21 -20.4 -4.8 52 43 21641 55 19 -15.6 -10.9 | 42 31 -20.6 -22.9 53 37 22555 85 9 -9.0 -0.8 | 48 19 -14.0 -12.7 54 35 22860 60 20 -17.3 -10.0 | 46 31 -22.4 -22.0 55 33 23165 80 16 -15.8 -2.8 | 55 25 -20.8 -14.7 56 32 23470 80 12 -11.8 -2.1 | 50 22 -16.9 -14.0 57 30 23774 130 17 -13.0 10.9 | 87 18 -18.1 -1.0 58 30 23810 95 23 -22.9 2.0 | 70 30 -27.9 -10.0 59 29 24079 90 23 -23.0 0.0 | 67 30 -28.0 -12.0 60 27 24384 85 23 -22.9 -2.0 | 63 31 -27.9 -14.0 61 26 24689 70 14 -13.2 -4.8 | 47 25 -18.2 -16.8 62 25 24994 105 20 -19.3 5.2 | 74 25 -24.4 -6.8 63 23 25603 45 25 -17.7 -17.7 | 37 37 -22.7 -29.6 64 21 26213 85 20 -19.9 -1.7 | 61 28 -25.0 -13.7 65 20 26410 90 16 -16.0 0.0 | 60 24 -21.0 -12.0 66 19 26518 65 20 -18.1 -8.5 | 49 31 -23.2 -20.4 67 18 26822 90 16 -16.0 0.0 | 60 24 -21.0 -12.0 68 16 27127 85 22 -21.9 -1.9 | 63 30 -27.0 -13.9 69 15 27432 110 14 -13.2 4.8 | 68 20 -18.2 -7.2 70 14 27737 90 22 -22.0 0.0 | 66 30 -27.0 -12.0 71 13 28042 95 21 -20.9 1.8 | 69 28 -26.0 -10.1 72 11 28346 80 23 -22.7 -4.0 | 60 32 -27.7 -16.0 73 10 28651 105 21 -20.3 5.4 | 76 26 -25.3 -6.5 74 10 28956 85 19 -18.9 -1.7 | 60 28 -24.0 -13.6 75 9 29261 100 20 -19.7 3.5 | 71 26 -24.7 -8.5 76 8 29566 80 26 -25.6 -4.5 | 62 35 -30.6 -16.5 77 7 30175 100 30 -29.5 5.2 | 79 35 -34.6 -6.8 Wind Parameters Mean winds (0-6000m): 172.8 at 17.3 knts Storm direction: 202.8 at 13.0 knts Shear (0-3000m) pos: 3.7 neg: 1.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 45.2 deg Storm rel helicity (0-3000m) pos: 194.9 neg: -70.2 tot: 124.7 m^2/s^2 ave: 41.6 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.36 Bulk Shear: 59.83 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 74 10 45 21| 7.0 0.0 7.0| 33.1 0.0 33.1 66.2 0.87| 7.7 6.7 1000 66 10 42 22| 3.5 3.6 7.1| 45.6 -40.8 4.8 4.8 0.09| 9.1 0.8 1500 70 12 46 23| 6.8 2.4 9.2|138.6 -40.8 97.8 65.2 0.49| 10.8 5.3 2000 81 14 53 23| 5.1 1.8 6.9|164.6 -51.1 113.5 56.7 0.45| 10.1 4.5 2500 90 14 58 23| 4.5 1.4 6.0|193.7 -63.0 130.8 52.3 0.42| 10.3 4.4 3000 97 14 61 21| 3.7 1.2 4.9|194.9 -70.2 124.7 41.6 0.31| 10.8 3.4 4000 119 14 73 18| 2.8 0.3 3.1|199.5 -74.4 125.1 31.3 0.27| 10.3 2.8 5000 148 16 96 13| 3.6 0.2 3.8|230.3 -74.4 155.9 31.2 0.33| 10.3 3.4 6000 173 17 126 9| 2.5 0.2 2.7|281.8 -74.4 207.4 34.6 0.41| 10.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251219.12.gif