UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 10 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 -9 1 925 673 SFC 900 908 20.2 16.1 77 4.1 17.4 300 19 302.3 304.7 294.4 340.4 12.89 3 850 1398 15.0 12.8 87 2.2 13.6 290 38 301.9 303.9 292.9 334.3 10.99 4 794 1973 10.8 10.4 97 0.4 10.6 286 50 303.3 305.2 292.6 333.2 10.03 5 778 2143 11.8 8.3 79 3.5 9.7 285 53 306.2 307.8 292.5 332.9 8.87 6 700 3022 6.4 4.1 85 2.3 5.1 275 48 309.6 311.0 292.3 332.2 7.36 7 686 3187 5.0 3.6 91 1.4 4.2 271 45 309.8 311.2 292.3 332.1 7.24 8 671 3367 4.4 1.4 81 3.0 2.8 267 43 311.1 312.3 291.9 330.7 6.32 9 647 3664 4.4 -5.6 48 10.0 -0.3 260 38 314.4 315.1 290.8 326.8 3.89 10 639 3766 5.8 -16.2 19 22.0 -2.6 261 39 317.1 317.4 289.6 322.7 1.69 11 627 3921 6.4 -27.6 7 34.0 -4.0 262 40 319.5 319.6 289.3 321.7 0.63 12 517 5468 -5.9 -38.9 5 33.0 -12.6 260 51 322.7 322.8 289.9 323.7 0.25 13 507 5621 -5.5 -48.5 2 43.0 -12.8 257 52 325.0 325.1 290.4 325.4 0.09 14 500 5730 -5.7 -48.7 2 43.0 -13.0 255 53 326.1 326.1 290.7 326.5 0.09 15 481 6032 -6.3 -51.3 1 45.0 -13.6 259 55 329.0 329.0 291.5 329.3 0.07 16 400 7440 -16.7 -53.7 2 37.0 -21.2 265 76 333.3 333.3 292.7 333.5 0.06 17 309 9314 -34.1 -59.1 6 25.0 -35.5 266 89 334.5 334.5 293.0 334.6 0.04 18 300 9520 -35.3 -61.3 5 26.0 -36.7 265 91 335.6 335.6 293.3 335.8 0.03 19 254 10663 -43.5 -66.8 6 23.3 -44.2 265 98 339.8 339.8 294.3 339.9 0.02 20 250 10770 -44.3 -67.3 6 23.0 -45.0 265 96 340.2 340.2 294.4 340.3 0.02 21 200 12230 -54.5 -73.5 8 19.0 -54.8 275 83 346.5 346.5 295.8 346.5 0.01 22 162 13560 -61.7 -78.7 9 17.0 -61.9 268 84 355.9 355.9 297.9 355.9 0.01 23 156 13795 -59.7 -80.7 5 21.0 -59.9 263 75 363.1 363.1 299.3 363.1 0.00 24 150 14040 -60.9 -81.9 5 21.0 -61.1 255 45 365.2 365.2 299.7 365.2 0.00 25 126 15102 -68.9 -84.9 8 16.0 -68.9 264 41 369.4 369.4 300.5 369.4 0.00 26 107 16076 -69.9 -86.9 7 17.0 -70.0 266 43 385.1 385.1 303.1 385.2 0.00 27 105 16190 -63.5 -86.5 3 23.0 -63.7 268 40 399.4 399.4 305.1 399.4 0.00 28 103 16308 -62.1 -87.1 2 25.0 -62.3 275 35 404.3 404.3 305.8 404.3 0.00 29 100 16490 -63.7 -86.7 3 23.0 -63.9 200 15 404.7 404.7 305.8 404.7 0.00 30 76 18129 -72.7 -88.7 7 16.0 -72.8 245 15 418.9 418.9 307.6 418.9 0.00 31 70 18610 -72.3 -88.3 7 16.0 -72.4 195 11 429.7 429.7 308.8 429.7 0.00 32 68 18781 -73.1 -89.1 7 16.0 -73.2 195 11 431.6 431.6 309.0 431.6 0.00 33 57 19828 -68.9 -88.9 4 20.0 -69.1 211 10 463.4 463.4 312.1 463.4 0.00 34 51 20492 -70.3 -90.3 4 20.0 -70.5 223 9 475.1 475.1 313.1 475.1 0.00 35 50 20610 -69.3 -90.3 3 21.0 -69.5 225 9 480.2 480.2 313.5 480.2 0.00 36 44 21382 -64.5 -89.5 2 25.0 -64.8 226 15 509.8 509.8 315.7 509.8 0.00 37 37 22444 -63.5 -89.5 2 26.0 -64.0 190 9 538.3 538.3 317.4 538.3 0.00 38 36 22612 -63.7 -88.7 2 25.0 -64.2 190 7 542.0 542.0 317.6 542.0 0.00 39 30 23750 -56.3 -85.3 1 29.0 -57.7 75 13 591.2 591.2 320.2 591.2 0.01 40 28 24187 -58.1 -86.1 2 28.0 -59.3 73 13 597.9 597.9 320.5 598.0 0.01 41 20 26330 -53.5 -84.5 1 31.0 -56.1 110 12 672.4 672.4 323.5 672.5 0.02 42 19 26661 -52.1 -83.1 1 31.0 -55.1 114 11 686.7 686.7 324.0 686.9 0.02 TRP 76 18129 -72.7 -88.7 7 16.0 -72.8 245 15 418.9 418.9 307.6 418.9 0.00 WND 254 10663 -43.5 -66.8 6 23.3 -44.2 265 98 339.8 339.8 294.3 339.9 0.02 Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 569.76 mb = 4725.74 m = 15504.20 ft Wetbulb zero: 649.56 mb = 3631.83 m = 11915.30 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 49.96 % Est. max temperature: 25.08 C = 77.14 F Sfc-Lift cond lev (LCL): 847.19 mb = 1425.94 m = 4678.24 ft T: 14.80 C 700-500 lapse rate: 4.47 C/km ThetaE index: 18.71 C Layer 850.0- 517.0 mb Conv cond level (CCL): 816.31 mb = 1739.03 m = 5705.41 ft Mean mixing ratio: 11.23 g/kg Conv temperature: 20.60 C = 69.08 F Cap Strength: 4.80 C Lifted Index: 2.95 C Risk: None Lifted Index @300 mb: 1.48 C Lifted Index @700 mb: 0.17 C Showalter Index: 3.54 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 18.50 C K Index: 31.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 282.60 Risk: None Energy Index: -1.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.55 J/kg Max Up Vert Vel: 3.89 m/s Conv Inhibition (B-): 0.47 J/kg Cap Strength: 4.58 C Lift Cond Lev (LCL): 821.44 mb = 1686.25 m = 5532.25 ft Lev Free Conv (LFC): 806.44 mb = 1841.67 m = 6042.14 ft Equ Level (EL): 786.44 mb = 2052.98 m = 6735.41 ft B at Equ Level: 4.31 J/kg Max Parcel Lev (MPL): 766.44 mb = 2267.93 m = 7440.64 ft Wind level data Storm motion: 299 at 36 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 ---------------------------------------------------------- 0 900 908 300 19 16.5 -9.5 | 118 17 -14.7 7.6 1 899 914 285 17 16.4 -4.4 | 131 19 -14.7 12.7 2 850 1398 290 38 35.7 -13.0 | 228 6 4.6 4.1 3 778 2134 285 53 51.2 -13.7 | 260 20 20.1 3.4 4 751 2438 280 53 52.2 -9.2 | 249 23 21.1 7.9 5 700 3022 275 48 47.8 -4.2 | 232 21 16.7 13.0 6 647 3658 260 38 37.4 6.6 | 195 25 6.3 23.7 7 600 4267 265 44 43.8 3.8 | 211 25 12.7 21.0 8 556 4877 270 47 47.0 -0.0 | 223 23 15.9 17.1 9 500 5730 255 53 51.2 13.7 | 213 37 20.1 30.9 10 477 6096 260 55 54.2 9.6 | 221 35 23.0 26.7 11 458 6401 255 57 55.1 14.8 | 217 40 23.9 31.9 12 400 7440 265 76 75.7 6.6 | 242 51 44.6 23.8 13 359 8230 270 79 79.0 -0.0 | 250 51 47.9 17.1 14 300 9520 265 91 90.7 7.9 | 247 65 59.5 25.1 15 254 10663 265 98 97.6 8.5 | 249 71 66.5 25.7 16 250 10770 265 96 95.6 8.4 | 248 69 64.5 25.5 17 242 10973 265 98 97.6 8.5 | 249 71 66.5 25.7 18 200 12230 275 83 82.7 -7.2 | 259 53 51.6 9.9 19 183 12802 280 84 82.7 -14.6 | 267 52 51.6 2.6 20 158 13716 265 84 83.7 7.3 | 245 58 52.6 24.5 21 150 14040 255 45 43.5 11.6 | 203 31 12.4 28.8 22 143 14326 250 47 44.2 16.1 | 201 36 13.0 33.2 23 129 14935 260 36 35.5 6.3 | 191 24 4.3 23.4 24 117 15545 275 54 53.8 -4.7 | 241 26 22.7 12.4 25 106 16154 265 42 41.8 3.7 | 207 23 10.7 20.8 26 101 16459 285 29 28.0 -7.5 | 162 10 -3.1 9.6 27 100 16490 200 15 5.1 14.1 | 140 41 -26.0 31.2 28 96 16764 200 15 5.1 14.1 | 140 41 -26.0 31.2 29 91 17069 200 11 3.8 10.3 | 135 39 -27.4 27.5 30 78 17983 255 15 14.5 3.9 | 142 27 -16.6 21.0 31 76 18129 245 15 13.6 6.3 | 143 29 -17.5 23.5 32 74 18288 265 11 11.0 1.0 | 132 27 -20.2 18.1 33 70 18593 225 16 11.3 11.3 | 145 35 -19.8 28.5 34 70 18610 195 11 2.8 10.6 | 134 40 -28.3 27.8 35 67 18898 195 11 2.8 10.6 | 134 40 -28.3 27.8 36 50 20610 225 9 6.4 6.4 | 134 34 -24.8 23.5 37 49 20726 250 1 0.9 0.3 | 120 35 -30.2 17.5 38 44 21336 230 15 11.5 9.6 | 144 33 -19.6 26.8 39 40 21946 190 14 2.4 13.8 | 137 42 -28.7 30.9 40 33 23165 190 1 0.2 1.0 | 120 36 -30.9 18.1 41 30 23750 75 13 -12.6 -3.4 | 108 46 -43.7 13.8 42 28 24079 80 11 -10.8 -1.9 | 110 45 -41.9 15.2 43 26 24689 40 21 -13.5 -16.1 | 91 45 -44.6 1.1 44 25 24994 50 18 -13.8 -11.6 | 97 45 -44.9 5.6 45 24 25298 25 10 -4.2 -9.1 | 103 36 -35.3 8.1 46 22 25603 45 3 -2.1 -2.1 | 114 36 -33.2 15.0 47 20 26330 110 12 -11.3 4.1 | 117 47 -42.4 21.2 48 17 26822 120 8 -6.9 4.0 | 119 44 -38.0 21.1 Wind Parameters Mean winds (0-6000m): 268.8 at 47.4 knts Storm direction: 298.8 at 35.5 knts Shear (0-3000m) pos: 0.0 neg: 4.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 84.0 deg Storm rel helicity (0-3000m) pos: 79.9 neg: -143.3 tot: -63.4 m^2/s^2 ave: -21.1 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 71.97 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 ------------------------------------------------------------------------------- 500 289 28 149 10| 0.0 20.3 20.3| 49.8 0.0 49.8 99.5 0.80| 23.4 18.6 1000 288 35 203 7| 0.0 15.6 15.6| 61.6 0.0 61.6 61.6 0.68| 17.1 11.7 1500 286 41 236 10| 0.0 12.2 12.2| 65.2 -20.2 45.0 30.0 0.47| 14.4 6.8 2000 284 44 239 13| 0.0 8.4 8.4| 65.2 -52.9 12.3 6.2 0.30| 12.3 3.7 2500 281 44 235 15| 0.0 5.8 5.8| 65.2-113.1 -47.9 -19.2 0.06| 12.0 0.8 3000 278 43 227 16| 0.0 4.8 4.8| 79.9-143.3 -63.4 -21.1 0.02| 11.3 0.2 4000 275 44 223 18| 1.1 3.6 4.7|136.5-143.3 -6.8 -1.7 0.13| 9.6 1.3 5000 272 45 222 21| 0.9 4.0 4.9|157.4-182.2 -24.8 -5.0 0.08| 9.3 0.8 6000 269 47 222 24| 1.6 3.7 5.3|285.4-205.5 79.9 13.3 0.16| 9.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251210.12.gif