UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 8 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 110 1 925 797 SFC 913 908 19.2 18.4 95 0.8 18.7 110 4 300.1 302.8 295.1 343.2 14.74 3 892 1107 17.2 15.7 91 1.5 16.2 68 8 300.0 302.3 293.6 337.1 12.68 4 881 1214 19.6 7.6 46 12.0 12.4 46 10 303.6 304.9 290.5 325.9 7.45 5 850 1522 18.8 5.8 42 13.0 11.2 15 7 305.8 307.1 290.7 326.5 6.81 6 817 1862 18.8 -2.2 24 21.0 7.9 86 4 309.3 310.1 289.3 321.8 3.98 7 727 2848 9.8 4.8 71 5.0 6.9 265 6 310.0 311.4 292.5 332.8 7.44 8 719 2940 9.0 4.3 72 4.7 6.3 269 7 310.1 311.4 292.4 332.4 7.26 9 703 3127 9.2 -5.8 34 15.0 2.1 278 10 312.3 313.0 289.8 323.5 3.53 10 700 3162 9.0 -4.0 40 13.0 2.6 280 10 312.5 313.2 290.3 325.3 4.06 11 669 3535 5.8 2.1 77 3.7 3.7 288 12 312.9 314.2 292.7 333.8 6.67 12 650 3770 5.4 -18.6 16 24.0 -3.2 285 11 315.1 315.3 288.6 319.6 1.35 13 599 4431 0.0 -13.0 37 13.0 -5.1 241 3 316.3 316.7 290.0 324.0 2.34 14 596 4471 -0.3 -13.3 37 13.0 -5.4 243 3 316.4 316.8 290.0 324.0 2.30 15 584 4633 -1.7 -3.6 87 1.9 -2.6 250 2 316.6 317.6 292.4 332.6 5.02 16 576 4743 -1.7 -23.7 17 22.0 -8.4 255 2 317.8 318.0 289.1 321.2 0.98 17 571 4813 -1.7 -27.7 12 26.0 -8.9 258 2 318.6 318.8 289.0 321.1 0.69 18 562 4939 -2.3 -25.3 15 23.0 -9.0 264 2 319.4 319.5 289.5 322.4 0.87 19 560 4967 -2.5 -15.5 36 13.0 -7.4 265 2 319.5 319.9 290.6 326.3 2.04 20 548 5139 -3.1 -25.1 16 22.0 -9.5 273 1 320.7 320.9 289.9 323.9 0.91 21 543 5211 -3.7 -14.7 42 11.0 -7.9 277 1 320.9 321.3 291.3 328.4 2.25 22 538 5284 -3.9 -15.9 39 12.0 -8.4 288 2 321.5 321.9 291.3 328.4 2.06 23 533 5358 -3.7 -30.7 10 27.0 -10.6 299 2 322.6 322.7 290.2 324.6 0.56 24 513 5659 -5.7 -43.7 3 38.0 -12.8 345 5 323.7 323.7 290.0 324.3 0.15 25 500 5860 -6.9 -42.9 4 36.0 -13.6 15 7 324.6 324.7 290.3 325.3 0.17 26 419 7212 -17.3 -28.3 38 11.0 -19.8 326 9 328.1 328.3 292.1 331.3 0.89 27 404 7486 -17.7 -50.7 4 33.0 -21.8 294 9 331.0 331.1 292.1 331.4 0.09 28 401 7541 -17.9 -30.9 31 13.0 -20.7 287 9 331.5 331.6 292.9 334.2 0.72 29 400 7560 -18.1 -33.1 26 15.0 -21.1 285 9 331.5 331.6 292.7 333.7 0.59 30 399 7579 -18.3 -36.3 19 18.0 -21.6 287 9 331.4 331.5 292.6 333.1 0.43 31 396 7635 -18.7 -39.7 14 21.0 -22.2 290 10 331.6 331.7 292.4 332.8 0.31 32 392 7711 -19.5 -30.5 37 11.0 -21.9 291 11 331.6 331.7 292.9 334.4 0.77 33 374 8059 -22.7 -30.7 48 8.0 -24.3 297 13 331.8 332.0 293.0 334.7 0.79 34 370 8137 -23.5 -30.5 53 7.0 -24.9 298 13 331.8 331.9 293.0 334.8 0.82 35 367 8197 -23.3 -26.2 77 2.9 -24.0 299 14 332.8 333.1 293.6 337.2 1.23 36 327 9036 -27.7 -29.5 85 1.8 -28.0 271 31 337.9 338.1 294.7 341.7 1.02 37 300 9650 -32.7 -35.5 76 2.8 -33.1 260 30 339.3 339.4 294.7 341.6 0.62 38 250 10900 -43.7 -48.1 62 4.4 -44.0 260 32 341.1 341.1 294.8 341.9 0.20 39 208 12109 -54.3 -59.3 54 5.0 -54.4 245 27 342.9 342.9 295.1 343.2 0.06 40 205 12202 -54.5 -64.5 28 10.0 -54.7 245 28 344.0 344.0 295.3 344.2 0.03 41 200 12360 -55.1 -65.1 28 10.0 -55.3 255 39 345.5 345.5 295.7 345.6 0.03 42 175 13199 -61.5 -71.5 25 10.0 -61.6 252 66 348.4 348.4 296.3 348.5 0.01 43 158 13825 -65.5 -75.5 24 10.0 -65.5 250 86 352.0 352.0 297.1 352.0 0.01 44 154 13981 -66.5 -76.5 23 10.0 -66.5 250 86 352.9 352.9 297.3 352.9 0.01 45 150 14140 -65.5 -79.5 13 14.0 -65.6 250 64 357.2 357.2 298.1 357.3 0.00 46 147 14262 -65.3 -79.3 13 14.0 -65.4 250 62 359.7 359.7 298.7 359.7 0.01 47 117 15616 -74.7 -83.7 23 9.0 -74.7 250 38 366.6 366.6 299.9 366.6 0.00 48 100 16530 -73.1 -87.1 10 14.0 -73.2 260 16 386.5 386.5 303.3 386.5 0.00 49 90 17143 -75.9 -87.9 13 12.0 -75.9 263 24 392.7 392.7 304.2 392.7 0.00 50 77 18052 -72.7 -88.7 7 16.0 -72.8 203 26 417.3 417.3 307.4 417.3 0.00 51 70 18610 -73.7 -88.7 8 15.0 -73.7 165 15 426.7 426.7 308.5 426.7 0.00 52 65 19044 -74.1 -89.1 8 15.0 -74.2 157 14 435.0 435.0 309.4 435.0 0.00 53 53 20257 -67.1 -89.1 3 22.0 -67.3 50 13 477.3 477.3 313.2 477.4 0.00 54 50 20610 -66.3 -89.3 3 23.0 -66.5 140 10 487.2 487.2 314.0 487.3 0.00 55 30 23760 -58.5 -87.5 1 29.0 -59.6 110 17 585.2 585.2 319.9 585.2 0.01 56 22 25719 -55.3 -86.3 1 31.0 -57.3 76 17 649.0 649.0 322.6 649.0 0.01 57 20 26330 -52.5 -84.5 1 32.0 -55.3 95 22 675.5 675.5 323.6 675.6 0.02 58 14 28672 -45.5 -82.5 1 37.0 -51.7 90 21 771.7 771.8 326.5 772.0 0.03 TRP 117 15616 -74.7 -83.7 23 9.0 -74.7 250 38 366.6 366.6 299.9 366.6 0.00 WND 158 13825 -65.5 -75.5 24 10.0 -65.5 250 86 352.0 352.0 297.1 352.0 0.01 Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 599.00 mb = 4431.01 m = 14537.25 ft Wetbulb zero: 658.80 mb = 3660.19 m = 12008.36 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 40.03 % Est. max temperature: 28.63 C = 83.53 F Sfc-Lift cond lev (LCL): 902.55 mb = 1006.68 m = 3302.70 ft T: 18.21 C 700-500 lapse rate: 5.89 C/km ThetaE index: 17.32 C Layer 892.0- 850.0 mb Conv cond level (CCL): 636.25 mb = 3943.00 m = 12936.21 ft Mean mixing ratio: 8.04 g/kg Conv temperature: 34.14 C = 93.45 F Cap Strength: 5.14 C Lifted Index: 4.92 C Risk: None Lifted Index @300 mb: 8.35 C Lifted Index @700 mb: 5.11 C Showalter Index: 6.03 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 12.70 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 90.60 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.85 J/kg Max Up Vert Vel: 8.93 m/s Conv Inhibition (B-): 38890.79 J/kg Cap Strength: 5.03 C Lift Cond Lev (LCL): 737.98 mb = 2721.38 m = 8928.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 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 ---------------------------------------------------------- 0 913 908 110 4 -3.8 1.4 | 150 7 -3.5 6.0 1 881 1219 45 10 -7.1 -7.1 | 70 7 -6.8 -2.5 2 850 1522 15 7 -1.8 -6.8 | 35 3 -1.5 -2.1 3 791 2134 145 2 -1.1 1.6 | 172 6 -0.8 6.3 4 763 2438 245 2 1.8 0.8 | 201 6 2.1 5.5 5 700 3162 280 10 9.8 -1.7 | 254 11 10.2 2.9 6 684 3353 280 13 12.8 -2.3 | 260 13 13.1 2.4 7 658 3658 295 12 10.9 -5.1 | 272 11 11.2 -0.5 8 610 4267 235 3 2.5 1.7 | 204 7 2.8 6.3 9 544 5182 275 1 1.0 -0.1 | 196 5 1.3 4.5 10 500 5860 15 7 -1.8 -6.8 | 35 3 -1.5 -2.1 11 485 6096 15 8 -2.1 -7.7 | 30 4 -1.8 -3.1 12 447 6706 25 10 -4.2 -9.1 | 41 6 -3.9 -4.4 13 400 7560 285 9 8.7 -2.3 | 256 9 9.0 2.3 14 397 7620 290 10 9.4 -3.4 | 263 10 9.7 1.2 15 365 8230 300 14 12.1 -7.0 | 281 13 12.4 -2.4 16 335 8839 280 32 31.5 -5.6 | 272 32 31.8 -0.9 17 322 9144 265 30 29.9 2.6 | 257 31 30.2 7.2 18 300 9650 260 30 29.5 5.2 | 252 31 29.8 9.8 19 250 10900 260 32 31.5 5.6 | 252 33 31.8 10.2 20 215 11887 245 26 23.6 11.0 | 237 29 23.9 15.6 21 205 12192 245 28 25.4 11.8 | 237 30 25.7 16.4 22 200 12360 255 39 37.7 10.1 | 249 41 38.0 14.7 23 158 13825 250 86 80.8 29.4 | 247 88 81.1 34.0 24 153 14021 250 86 80.8 29.4 | 247 88 81.1 34.0 25 150 14140 250 64 60.1 21.9 | 246 66 60.4 26.5 26 138 14630 250 54 50.7 18.5 | 246 56 51.0 23.1 27 118 15545 235 42 34.4 24.1 | 230 45 34.7 28.7 28 117 15616 250 38 35.7 13.0 | 244 40 36.0 17.6 29 107 16154 250 37 34.8 12.7 | 244 39 35.1 17.3 30 101 16459 250 40 37.6 13.7 | 244 42 37.9 18.3 31 100 16530 260 16 15.8 2.8 | 245 18 16.1 7.4 32 96 16764 260 16 15.8 2.8 | 245 18 16.1 7.4 33 91 17069 270 23 23.0 -0.0 | 259 24 23.3 4.6 34 82 17678 215 30 17.2 24.6 | 211 34 17.5 29.2 35 74 18288 195 24 6.2 23.2 | 193 29 6.5 27.8 36 70 18610 165 15 -3.9 14.5 | 169 19 -3.6 19.1 37 67 18898 170 13 -2.3 12.8 | 174 18 -2.0 17.4 38 63 19202 145 15 -8.6 12.3 | 154 19 -8.3 16.9 39 60 19507 130 1 -0.8 0.6 | 175 5 -0.5 5.3 40 57 19812 135 10 -7.1 7.1 | 150 14 -6.8 11.7 41 54 20117 55 15 -12.3 -8.6 | 72 13 -12.0 -4.0 42 52 20422 45 10 -7.1 -7.1 | 70 7 -6.8 -2.5 43 50 20610 140 10 -6.4 7.7 | 153 14 -6.1 12.3 44 49 20726 90 1 -1.0 0.0 | 171 5 -0.7 4.6 45 47 21031 145 10 -5.7 8.2 | 157 14 -5.4 12.8 46 44 21336 150 10 -5.0 8.7 | 161 14 -4.7 13.3 47 40 21946 60 15 -13.0 -7.5 | 77 13 -12.7 -2.9 48 38 22250 5 10 -0.9 -10.0 | 6 5 -0.6 -5.3 49 35 22860 120 10 -8.7 5.0 | 139 13 -8.4 9.6 50 33 23165 110 18 -16.9 6.2 | 123 20 -16.6 10.8 51 31 23470 125 12 -9.8 6.9 | 140 15 -9.5 11.5 52 30 23760 110 17 -16.0 5.8 | 124 19 -15.7 10.4 53 29 24079 110 19 -17.9 6.5 | 122 21 -17.6 11.1 54 27 24384 80 18 -17.7 -3.1 | 95 17 -17.4 1.5 55 25 24994 65 14 -12.7 -5.9 | 84 12 -12.4 -1.3 56 24 25298 85 15 -14.9 -1.3 | 103 15 -14.6 3.3 57 20 26213 65 20 -18.1 -8.5 | 78 18 -17.8 -3.8 58 20 26330 95 22 -21.9 1.9 | 107 23 -21.6 6.5 59 17 26822 100 23 -22.7 4.0 | 111 24 -22.3 8.6 60 16 27127 90 24 -24.0 0.0 | 101 24 -23.7 4.6 61 13 27737 90 20 -20.0 0.0 | 103 20 -19.7 4.6 62 12 28042 70 17 -16.0 -5.8 | 86 16 -15.7 -1.2 63 9 28956 15 21 -5.4 -20.3 | 18 16 -5.1 -15.7 64 9 29261 5 18 -1.6 -17.9 | 5 13 -1.3 -13.3 Wind Parameters Mean winds (0-6000m): 333.7 at 6.2 knts Storm direction: 3.7 at 4.6 knts Shear (0-3000m) pos: 2.9 neg: 1.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 92.1 deg Storm rel helicity (0-3000m) pos: 46.4 neg: -35.9 tot: 10.6 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 1.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.96 Bulk Shear: 10.07 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 50 8 86 6| 0.0 8.9 8.9| 0.0 -20.9 -20.9 -41.9 -0.89| 13.7-12.2 1000 44 7 87 4| 4.0 4.5 8.4| 8.2 -21.7 -13.5 -13.5 -0.22| 12.0 -2.6 1500 43 5 102 3| 3.4 3.0 6.4| 18.2 -21.7 -3.4 -2.3 0.03| 10.1 0.3 2000 24 5 88 2| 3.4 2.2 5.6| 27.7 -21.7 6.1 3.0 0.16| 9.0 1.5 2500 325 6 277 4| 3.4 1.8 5.2| 40.8 -21.7 19.1 7.6 0.25| 8.5 2.1 3000 307 7 266 6| 2.9 1.2 4.1| 46.4 -35.9 10.6 3.5 0.14| 8.5 1.2 4000 298 6 253 6| 2.0 1.4 3.4| 46.5 -48.9 -2.4 -0.6 0.02| 7.4 0.1 5000 307 6 255 5| 1.3 1.1 2.4| 52.1 -49.4 2.7 0.5 0.13| 6.9 0.9 6000 334 6 287 3| 1.0 0.8 1.8| 53.2 -55.1 -1.9 -0.3 0.08| 6.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251208.12.gif