UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 27 APR 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 107 1 925 789 SFC 912 908 17.2 16.2 94 1.0 16.5 70 5 298.1 300.4 293.2 335.3 12.80 3 850 1512 15.6 13.1 85 2.5 14.0 180 8 302.5 304.6 293.2 335.7 11.22 4 820 1817 14.8 8.8 67 6.0 11.1 156 15 304.8 306.4 291.9 330.9 8.70 5 809 1931 14.2 9.2 72 5.0 11.1 168 13 305.3 307.0 292.4 332.6 9.07 6 736 2723 9.2 3.2 66 6.0 5.8 236 10 308.2 309.5 291.2 328.3 6.56 7 700 3138 7.0 -3.0 49 10.0 2.0 260 9 310.2 311.1 290.0 324.0 4.38 8 688 3280 6.0 -6.0 42 12.0 0.4 237 11 310.7 311.3 289.3 321.9 3.55 9 650 3744 4.8 -21.2 13 26.0 -3.9 244 11 314.4 314.6 288.1 318.1 1.08 10 626 4052 6.8 -36.2 3 43.0 -4.3 239 16 320.1 320.1 289.1 321.1 0.28 11 561 4944 1.8 -38.2 3 40.0 -7.7 254 22 324.4 324.4 290.4 325.3 0.25 12 500 5860 -5.7 -34.7 8 29.0 -12.4 280 24 326.1 326.2 291.0 327.6 0.40 13 493 5970 -6.7 -35.7 8 29.0 -13.2 280 23 326.2 326.3 291.0 327.6 0.37 14 400 7560 -18.1 -51.1 4 33.0 -22.2 270 28 331.5 331.5 292.2 331.8 0.09 15 364 8259 -23.5 -53.5 5 30.0 -26.5 270 32 333.3 333.3 292.7 333.6 0.07 16 325 9081 -28.3 -61.3 3 33.0 -30.6 272 40 337.7 337.7 293.8 337.8 0.03 17 300 9650 -33.3 -59.3 6 26.0 -34.9 265 45 338.4 338.4 294.0 338.6 0.04 18 286 9984 -36.1 -59.1 8 23.0 -37.4 263 52 339.1 339.1 294.1 339.3 0.05 19 250 10910 -40.7 -67.7 4 27.0 -41.7 260 64 345.6 345.6 295.7 345.6 0.02 20 248 10964 -41.1 -67.1 4 26.0 -42.1 260 64 345.8 345.8 295.7 345.8 0.02 21 200 12380 -53.3 -66.3 19 13.0 -53.6 250 75 348.4 348.4 296.3 348.5 0.03 22 188 12776 -56.0 -69.6 17 13.6 -56.2 250 78 350.3 350.3 296.7 350.4 0.02 23 163 13671 -62.1 -77.1 12 15.0 -62.2 258 76 354.6 354.6 297.6 354.6 0.01 24 150 14180 -66.1 -77.1 20 11.0 -66.2 265 74 356.2 356.2 298.0 356.2 0.01 25 148 14262 -66.9 -77.9 20 11.0 -67.0 265 74 356.2 356.2 298.0 356.2 0.01 26 143 14469 -68.3 -72.4 55 4.1 -68.4 265 75 357.3 357.3 298.2 357.3 0.02 27 142 14512 -68.7 -73.7 48 5.0 -68.7 265 75 357.3 357.3 298.2 357.4 0.01 28 137 14727 -69.5 -82.5 13 13.0 -69.5 265 76 359.6 359.6 298.6 359.6 0.00 29 110 16012 -78.3 -85.3 31 7.0 -78.3 275 52 366.3 366.3 299.9 366.3 0.00 30 100 16560 -76.7 -86.7 19 10.0 -76.7 290 38 379.5 379.5 302.2 379.5 0.00 31 93 16976 -78.7 -86.7 26 8.0 -78.7 290 41 383.5 383.6 302.8 383.6 0.00 32 85 17491 -76.3 -88.3 13 12.0 -76.3 296 44 398.4 398.4 305.0 398.4 0.00 33 75 18211 -77.7 -89.7 13 12.0 -77.7 283 27 410.0 410.0 306.5 410.0 0.00 34 70 18610 -73.7 -89.7 7 16.0 -73.7 295 25 426.7 426.7 308.5 426.7 0.00 35 60 19519 -70.3 -90.3 4 20.0 -70.4 324 24 453.5 453.5 311.2 453.6 0.00 36 58 19723 -63.9 -89.9 2 26.0 -64.2 319 27 472.4 472.4 312.8 472.4 0.00 37 50 20640 -60.9 -89.9 1 29.0 -61.4 225 21 500.0 500.0 314.9 500.0 0.00 38 43 21579 -59.3 -89.3 1 30.0 -60.0 210 15 525.9 525.9 316.6 526.0 0.00 39 39 22186 -61.9 -90.9 1 29.0 -62.5 207 11 534.3 534.3 317.2 534.3 0.00 40 30 23830 -55.7 -87.7 1 32.0 -57.2 355 11 592.8 592.8 320.3 592.8 0.01 41 24 25264 -50.3 -86.3 1 36.0 -53.3 97 2 647.5 647.6 322.6 647.6 0.01 42 21 26133 -50.3 -86.3 1 36.0 -53.6 130 10 672.8 672.8 323.5 672.8 0.01 43 20 26450 -51.1 -86.1 1 35.0 -54.3 115 11 679.8 679.8 323.7 679.8 0.01 44 17 27504 -52.3 -87.3 1 35.0 -55.5 113 11 708.3 708.3 324.7 708.3 0.01 TRP 110 16012 -78.3 -85.3 31 7.0 -78.3 275 52 366.3 366.3 299.9 366.3 0.00 WND 188 12776 -56.0 -69.6 17 13.6 -56.2 250 78 350.3 350.3 296.7 350.4 0.02 Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 546.36 mb = 5164.10 m = 16942.39 ft Wetbulb zero: 684.23 mb = 3324.76 m = 10907.87 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 38.29 % Est. max temperature: 26.02 C = 78.84 F Sfc-Lift cond lev (LCL): 898.78 mb = 1033.23 m = 3389.82 ft T: 16.87 C 700-500 lapse rate: 4.67 C/km ThetaE index: 14.49 C Layer 736.0- 626.0 mb Conv cond level (CCL): 767.37 mb = 2373.66 m = 7787.52 ft Mean mixing ratio: 11.11 g/kg Conv temperature: 25.81 C = 78.46 F Cap Strength: 5.61 C Lifted Index: 3.42 C Risk: None Lifted Index @300 mb: 4.12 C Lifted Index @700 mb: 1.12 C Showalter Index: 2.89 C Risk: Showers probable Total Totals Index: 40.10 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 18.80 C K Index: 24.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 197.20 Risk: None Energy Index: -1.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.52 J/kg Max Up Vert Vel: 7.55 m/s Conv Inhibition (B-): 28051.31 J/kg Cap Strength: 5.59 C Lift Cond Lev (LCL): 826.23 mb = 1752.62 m = 5750.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 12 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 ---------------------------------------------------------- 0 912 908 70 5 -4.7 -1.7 | 91 17 -16.6 0.3 1 850 1512 180 8 0.0 8.0 | 130 16 -11.9 10.0 2 849 1524 170 10 -1.7 9.8 | 131 18 -13.6 11.9 3 818 1829 155 15 -6.3 13.6 | 131 24 -18.2 15.6 4 789 2134 195 9 2.3 8.7 | 138 14 -9.5 10.7 5 761 2438 220 10 6.4 7.7 | 151 11 -5.4 9.7 6 708 3048 255 10 9.7 2.6 | 155 5 -2.2 4.6 7 700 3138 260 9 8.9 1.6 | 140 5 -3.0 3.6 8 682 3353 225 12 8.5 8.5 | 162 11 -3.4 10.5 9 656 3658 245 10 9.1 4.2 | 156 7 -2.8 6.3 10 609 4267 235 20 16.4 11.5 | 199 14 4.5 13.5 11 524 5486 270 24 24.0 -0.0 | 260 12 12.1 2.0 12 500 5860 280 24 23.6 -4.2 | 280 12 11.8 -2.1 13 485 6096 280 22 21.7 -3.8 | 280 10 9.8 -1.8 14 466 6401 260 21 20.7 3.6 | 237 10 8.8 5.7 15 447 6706 275 23 22.9 -2.0 | 270 11 11.1 0.0 16 413 7315 260 24 23.6 4.2 | 242 13 11.8 6.2 17 400 7560 270 28 28.0 -0.0 | 263 16 16.1 2.0 18 365 8230 270 32 32.0 -0.0 | 264 20 20.1 2.0 19 335 8839 275 38 37.9 -3.3 | 273 26 26.0 -1.3 20 300 9650 265 45 44.8 3.9 | 260 34 33.0 6.0 21 296 9754 265 43 42.8 3.7 | 259 32 31.0 5.8 22 271 10363 260 67 66.0 11.6 | 256 56 54.1 13.7 23 250 10910 260 64 63.0 11.1 | 256 53 51.2 13.2 24 200 12380 250 75 70.5 25.7 | 245 65 58.6 27.7 25 188 12776 250 78 73.3 26.7 | 245 68 61.4 28.7 26 178 13106 250 78 73.3 26.7 | 245 68 61.4 28.7 27 150 14180 265 74 73.7 6.4 | 262 62 61.9 8.5 28 132 14935 265 77 76.7 6.7 | 262 65 64.8 8.7 29 119 15545 260 58 57.1 10.1 | 255 47 45.3 12.1 30 110 16012 275 52 51.8 -4.5 | 274 40 39.9 -2.5 31 100 16560 290 38 35.7 -13.0 | 295 26 23.9 -11.0 32 97 16764 290 39 36.6 -13.3 | 295 27 24.8 -11.3 33 87 17374 290 45 42.3 -15.4 | 294 33 30.4 -13.4 34 82 17678 305 43 35.2 -24.7 | 314 33 23.4 -22.6 35 74 18288 280 25 24.6 -4.3 | 280 13 12.8 -2.3 36 70 18593 295 21 19.0 -8.9 | 314 10 7.2 -6.8 37 70 18610 295 25 22.7 -10.6 | 308 14 10.8 -8.5 38 60 19507 325 24 13.8 -19.7 | 354 18 1.9 -17.6 39 55 20117 310 31 23.7 -19.9 | 326 21 11.9 -17.9 40 52 20422 280 27 26.6 -4.7 | 280 15 14.7 -2.7 41 50 20640 225 21 14.8 14.8 | 190 17 3.0 16.9 42 47 21031 215 19 10.9 15.6 | 177 18 -1.0 17.6 43 43 21641 210 15 7.5 13.0 | 164 16 -4.4 15.0 44 41 21946 235 13 10.6 7.5 | 173 10 -1.2 9.5 45 39 22250 200 10 3.4 9.4 | 144 14 -8.4 11.4 46 35 22860 105 2 -1.9 0.5 | 100 14 -13.8 2.6 47 33 23165 20 13 -4.4 -12.2 | 58 19 -16.3 -10.2 48 30 23774 60 12 -10.4 -6.0 | 80 23 -22.3 -4.0 49 30 23830 355 11 1.0 -11.0 | 51 14 -10.9 -8.9 50 28 24384 345 11 2.8 -10.6 | 46 12 -9.0 -8.6 51 26 24689 30 10 -5.0 -8.7 | 69 18 -16.9 -6.6 52 24 25298 100 2 -2.0 0.3 | 100 14 -13.8 2.4 53 23 25603 115 10 -9.1 4.2 | 107 22 -20.9 6.3 54 22 25908 70 11 -10.3 -3.8 | 86 22 -22.2 -1.7 55 21 26213 150 10 -5.0 8.7 | 122 20 -16.9 10.7 56 20 26450 115 11 -10.0 4.6 | 107 23 -21.8 6.7 57 20 26518 115 11 -10.0 4.6 | 107 23 -21.8 6.7 58 18 26822 125 11 -9.0 6.3 | 112 22 -20.9 8.3 59 16 27127 105 11 -10.6 2.8 | 102 23 -22.5 4.9 60 15 27432 125 17 -13.9 9.8 | 115 28 -25.8 11.8 61 14 27737 105 16 -15.5 4.1 | 103 28 -27.3 6.2 Wind Parameters Mean winds (0-6000m): 249.8 at 16.0 knts Storm direction: 279.8 at 12.0 knts Shear (0-3000m) pos: 3.1 neg: 0.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 91.9 deg Storm rel helicity (0-3000m) pos: 93.8 neg: -4.7 tot: 89.1 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.55 Bulk Shear: 52.20 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 ------------------------------------------------------------------------------- 500 130 6 110 18| 9.3 0.0 9.3| 45.1 0.0 45.1 90.2 0.95| 10.5 10.0 1000 155 9 123 19| 7.6 0.0 7.6| 65.3 -2.0 63.3 63.3 0.58| 12.0 6.9 1500 169 9 130 18| 4.9 0.0 4.9| 80.8 -2.0 78.8 52.5 0.50| 11.7 5.9 2000 187 10 137 16| 3.9 0.0 3.9| 83.7 -2.0 81.7 40.8 0.47| 10.1 4.7 2500 201 10 143 14| 3.1 0.8 3.9| 86.9 -3.4 83.5 33.4 0.41| 9.8 4.0 3000 210 10 147 13| 3.1 0.7 3.8| 93.8 -4.7 89.1 29.7 0.41| 9.3 3.8 4000 225 12 164 11| 2.7 1.1 3.9|126.4 -4.7 121.7 30.4 0.47| 8.6 4.1 5000 241 15 186 9| 2.6 0.9 3.5|162.1 -4.7 157.4 31.5 0.55| 8.1 4.4 6000 250 16 203 8| 2.5 1.3 3.8|178.6 -29.9 148.7 24.8 0.42| 8.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250427.00.gif