UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 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 142 1 925 811 SFC 914 908 14.4 13.3 93 1.1 13.7 110 7 295.0 296.9 290.4 325.4 10.56 3 850 1522 10.2 10.2 100 0.0 10.2 75 13 296.8 298.5 289.9 323.6 9.23 4 828 1740 10.2 7.5 83 2.7 8.6 71 11 299.1 300.5 289.4 322.2 7.88 5 778 2254 5.6 4.9 95 0.7 5.2 100 10 299.5 300.8 288.8 320.2 7.00 6 772 2317 7.6 -1.4 53 9.0 3.2 118 10 302.3 303.1 287.4 315.9 4.47 7 770 2339 11.6 -19.4 10 31.0 0.7 124 11 306.9 307.1 285.4 310.4 1.07 8 768 2361 13.2 130 11 308.8 9 767 2372 13.4 133 11 309.1 10 744 2628 14.0 157 11 312.5 11 700 3139 11.2 -34.8 2 46.0 -1.3 175 7 314.9 314.9 287.4 315.9 0.28 12 679 3392 10.4 -33.6 3 44.0 -1.9 197 6 316.7 316.8 288.1 317.9 0.33 13 593 4499 1.2 -32.8 6 34.0 -7.5 224 15 318.6 318.7 288.8 320.0 0.41 14 500 5850 -7.1 -50.1 2 43.0 -13.9 255 15 324.4 324.4 290.2 324.7 0.08 15 483 6119 -8.1 -52.1 1 44.0 -14.7 280 14 326.4 326.4 290.7 326.6 0.06 16 479 6184 -7.5 -53.5 1 46.0 -14.4 278 14 327.9 327.9 291.2 328.1 0.05 17 429 7031 -14.3 -54.3 2 40.0 -19.3 280 19 329.7 329.7 291.7 330.0 0.06 18 400 7560 -15.5 -51.5 3 36.0 -20.3 280 40 334.8 334.9 293.1 335.2 0.08 19 398 7598 -15.5 -54.5 2 39.0 -20.4 280 39 335.3 335.3 293.2 335.6 0.06 20 382 7908 -16.7 -50.7 4 34.0 -21.3 280 46 337.7 337.7 293.9 338.1 0.10 21 378 7987 -16.9 -31.9 26 15.0 -20.3 280 48 338.5 338.6 294.6 341.1 0.70 22 342 8734 -20.7 -46.7 8 26.0 -24.4 272 55 343.1 343.2 295.2 343.8 0.17 23 300 9690 -28.7 -47.7 14 19.0 -30.8 255 55 344.9 345.0 295.7 345.6 0.17 24 262 10639 -36.9 -51.4 21 14.5 -38.0 260 65 346.6 346.6 296.0 347.1 0.13 25 250 10960 -39.7 -52.7 24 13.0 -40.6 260 63 347.0 347.1 296.1 347.5 0.12 26 244 11126 -41.3 -53.3 26 12.0 -42.1 261 63 347.1 347.1 296.1 347.5 0.11 27 241 11210 -42.1 -53.1 29 11.0 -42.8 261 63 347.1 347.1 296.1 347.6 0.11 28 200 12450 -51.3 -67.3 13 16.0 -51.7 265 61 351.5 351.5 297.0 351.6 0.02 29 180 13127 -56.9 -77.9 5 21.0 -57.1 265 62 353.1 353.1 297.3 353.2 0.01 30 166 13636 -61.1 -73.1 19 12.0 -61.2 269 59 354.4 354.4 297.6 354.4 0.01 31 150 14260 -65.3 -76.3 20 11.0 -65.4 280 49 357.6 357.6 298.2 357.6 0.01 32 143 14549 -67.7 -76.7 27 9.0 -67.8 277 46 358.3 358.3 298.4 358.4 0.01 33 103 16471 -78.3 -88.3 18 10.0 -78.3 295 31 373.3 373.3 301.1 373.3 0.00 34 100 16640 -77.9 -87.9 18 10.0 -77.9 285 28 377.2 377.2 301.8 377.2 0.00 35 86 17494 -80.7 -88.7 25 8.0 -80.7 280 20 388.2 388.2 303.5 388.2 0.00 36 70 18670 -74.9 -87.9 12 13.0 -75.0 80 4 424.1 424.1 308.2 424.2 0.00 37 64 19189 -74.5 -88.5 10 14.0 -74.6 94 6 436.0 436.0 309.5 436.0 0.00 38 58 19759 -75.1 -89.1 10 14.0 -75.2 24 16 447.1 447.1 310.6 447.1 0.00 39 51 20520 -65.9 -88.9 3 23.0 -66.2 302 10 485.4 485.4 313.9 485.4 0.00 40 50 20640 -66.9 -89.9 3 23.0 -67.1 275 6 485.8 485.8 313.9 485.8 0.00 41 46 21148 -63.5 -88.5 2 25.0 -63.9 8 12 505.8 505.8 315.4 505.8 0.00 42 30 23810 -57.7 -85.7 2 28.0 -58.9 65 15 587.3 587.3 320.0 587.4 0.01 43 23 25493 -56.1 -85.1 1 29.0 -57.9 109 11 638.4 638.4 322.2 638.5 0.01 TRP 86 17494 -80.7 -88.7 25 8.0 -80.7 280 20 388.2 388.2 303.5 388.2 0.00 WND 262 10639 -36.9 -51.4 21 14.5 -38.0 260 65 346.6 346.6 296.0 347.1 0.13 Sounding variables and indices 1000-500 mb thick: 5708.00 m Freezing level: 579.55 mb = 4694.69 m = 15402.34 ft Wetbulb zero: 746.66 mb = 2597.88 m = 8523.12 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 33.36 % Est. max temperature: 28.56 C = 83.40 F Sfc-Lift cond lev (LCL): 899.25 mb = 1045.60 m = 3430.41 ft T: 13.46 C 700-500 lapse rate: 6.75 C/km ThetaE index: 15.02 C Layer 850.0- 768.0 mb Conv cond level (CCL): 851.50 mb = 1507.09 m = 4944.46 ft Mean mixing ratio: 9.28 g/kg Conv temperature: 16.10 C = 60.98 F Cap Strength: 9.79 C Lifted Index: 7.24 C Risk: None Lifted Index @300 mb: 15.64 C Lifted Index @700 mb: 9.25 C Showalter Index: 7.35 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 17.30 C Cross Totals Index: 17.30 C K Index: -18.50 Risk: None Sweat Index: 163.40 Risk: None Energy Index: 0.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.19 J/kg Max Up Vert Vel: 6.66 m/s Conv Inhibition (B-): 8.02 J/kg Cap Strength: 9.74 C Lift Cond Lev (LCL): 850.67 mb = 1515.37 m = 4971.64 ft Lev Free Conv (LFC): 795.67 mb = 2068.62 m = 6786.73 ft Equ Level (EL): 775.67 mb = 2278.48 m = 7475.23 ft B at Equ Level: 16.19 J/kg Max Parcel Lev (MPL): 765.67 mb = 2386.29 m = 7828.94 ft Wind level data Storm motion: 261 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 ---------------------------------------------------------- 0 914 908 110 7 -6.6 2.4 | 93 16 -16.1 1.0 1 881 1219 70 11 -10.3 -3.8 | 75 20 -19.8 -5.2 2 850 1522 75 13 -12.6 -3.4 | 78 23 -22.1 -4.8 3 790 2134 65 8 -7.3 -3.4 | 74 17 -16.7 -4.8 4 761 2438 150 12 -6.0 10.4 | 120 18 -15.5 9.0 5 700 3139 175 7 -0.6 7.0 | 119 12 -10.1 5.6 6 682 3353 195 6 1.6 5.8 | 119 9 -7.9 4.4 7 632 3962 230 13 10.0 8.4 | 184 7 0.5 6.9 8 609 4267 215 14 8.0 11.5 | 172 10 -1.5 10.0 9 543 5182 255 18 17.4 4.7 | 248 9 7.9 3.2 10 504 5791 245 19 17.2 8.0 | 229 10 7.7 6.6 11 500 5850 255 15 14.5 3.9 | 244 6 5.0 2.5 12 484 6096 280 14 13.8 -2.4 | 312 6 4.3 -3.9 13 447 6706 265 15 14.9 1.3 | 271 5 5.4 -0.1 14 430 7010 280 19 18.7 -3.3 | 297 10 9.2 -4.7 15 413 7315 270 28 28.0 -0.0 | 274 19 18.5 -1.4 16 400 7560 280 40 39.4 -6.9 | 286 31 29.9 -8.4 17 397 7620 280 38 37.4 -6.6 | 286 29 27.9 -8.0 18 365 8230 280 55 54.2 -9.6 | 284 46 44.7 -11.0 19 300 9690 255 55 53.1 14.2 | 254 45 43.6 12.8 20 297 9754 260 56 55.1 9.7 | 260 46 45.7 8.3 21 262 10639 260 65 64.0 11.3 | 260 55 54.5 9.9 22 261 10668 260 65 64.0 11.3 | 260 55 54.5 9.9 23 250 10960 260 63 62.0 10.9 | 260 53 52.5 9.5 24 200 12450 265 61 60.8 5.3 | 266 51 51.3 3.9 25 172 13411 265 62 61.8 5.4 | 266 52 52.3 4.0 26 150 14260 280 49 48.3 -8.5 | 284 40 38.8 -9.9 27 148 14326 280 49 48.3 -8.5 | 284 40 38.8 -9.9 28 121 15545 265 33 32.9 2.9 | 266 23 23.4 1.5 29 103 16459 295 31 28.1 -13.1 | 308 24 18.6 -14.5 30 100 16640 285 28 27.0 -7.2 | 296 20 17.6 -8.7 31 98 16764 285 28 27.0 -7.2 | 296 20 17.6 -8.7 32 86 17494 280 20 19.7 -3.5 | 296 11 10.2 -4.9 33 83 17678 285 21 20.3 -5.4 | 302 13 10.8 -6.9 34 79 17983 250 21 19.7 7.2 | 241 12 10.2 5.8 35 70 18670 80 4 -3.9 -0.7 | 81 14 -13.4 -2.1 36 67 18898 135 3 -2.1 2.1 | 93 12 -11.6 0.7 37 61 19507 50 10 -7.7 -6.4 | 65 19 -17.2 -7.8 38 58 19812 20 17 -5.8 -16.0 | 41 23 -15.3 -17.4 39 55 20117 35 23 -13.2 -18.8 | 48 30 -22.7 -20.3 40 50 20640 275 6 6.0 -0.5 | 61 4 -3.5 -1.9 41 49 20726 335 10 4.2 -9.1 | 27 12 -5.3 -10.5 42 43 21641 45 14 -9.9 -9.9 | 60 22 -19.4 -11.3 43 41 21946 40 10 -6.4 -7.7 | 60 18 -15.9 -9.1 44 39 22250 160 10 -3.4 9.4 | 122 15 -12.9 8.0 45 37 22555 130 14 -10.7 9.0 | 111 22 -20.2 7.6 46 33 23165 145 18 -10.3 14.7 | 124 24 -19.8 13.3 47 32 23470 95 22 -21.9 1.9 | 91 31 -31.4 0.5 48 30 23774 85 14 -13.9 -1.2 | 84 24 -23.4 -2.6 49 30 23810 65 15 -13.6 -6.3 | 71 24 -23.1 -7.8 50 28 24079 60 14 -12.1 -7.0 | 69 23 -21.6 -8.4 51 26 24384 25 10 -4.2 -9.1 | 53 17 -13.7 -10.5 52 24 24689 65 11 -10.0 -4.6 | 73 20 -19.5 -6.1 53 22 24994 160 10 -3.4 9.4 | 122 15 -12.9 8.0 54 20 25298 105 17 -16.4 4.4 | 97 26 -25.9 3.0 55 19 25603 90 13 -13.0 0.0 | 86 23 -22.5 -1.4 56 17 25908 100 12 -11.8 2.1 | 92 21 -21.3 0.7 Wind Parameters Mean winds (0-6000m): 231.5 at 12.8 knts Storm direction: 261.5 at 9.6 knts Shear (0-3000m) pos: 3.7 neg: 1.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 94.6 neg: -36.4 tot: 58.2 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 64.82 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 79 10 80 20| 0.0 8.1 8.1| 1.7 -27.8 -26.1 -52.2 -0.62| 8.9 -5.5 1000 76 11 78 20| 0.0 3.3 3.3| 3.6 -33.1 -29.6 -29.6 -0.47| 6.5 -3.1 1500 80 10 81 20| 4.4 2.2 6.6| 67.9 -34.6 33.2 22.2 0.25| 9.5 2.4 2000 97 10 90 20| 3.6 1.7 5.3| 78.0 -34.9 43.1 21.5 0.27| 8.7 2.3 2500 109 10 95 19| 3.1 1.3 4.4| 79.6 -36.4 43.1 17.3 0.24| 8.0 1.9 3000 125 10 103 18| 3.7 1.1 4.9| 94.6 -36.4 58.2 19.4 0.36| 7.9 2.8 4000 173 11 131 14| 3.2 0.5 3.7|113.4 -39.1 74.4 18.6 0.41| 7.4 3.0 5000 211 12 161 10| 2.4 0.4 2.8|127.5 -45.0 82.5 16.5 0.40| 7.2 2.9 6000 231 13 185 7| 2.2 0.3 2.6|138.0 -50.4 87.5 14.6 0.38| 7.1 2.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251218.00.gif