UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 13 OCT 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 77 1 925 756 SFC 909 908 18.4 16.7 90 1.7 17.2 10 6 299.6 302.0 293.9 338.4 13.27 3 850 1478 14.0 13.9 99 0.1 14.0 280 25 300.8 303.0 293.2 335.6 11.83 4 828 1699 13.0 12.8 99 0.2 12.9 283 30 302.0 304.1 293.2 335.4 11.29 5 818 1802 13.8 12.1 89 1.7 12.7 285 32 303.9 305.9 293.4 336.4 10.91 6 795 2042 13.4 8.4 72 5.0 10.3 288 30 306.0 307.6 292.3 332.3 8.73 7 713 2954 10.0 1.0 54 9.0 5.1 267 27 311.9 313.0 291.7 330.0 5.78 8 700 3107 8.6 1.6 61 7.0 4.7 265 29 312.0 313.2 292.0 331.2 6.15 9 669 3480 5.2 1.2 75 4.0 3.0 267 31 312.3 313.5 292.2 331.8 6.25 10 606 4281 0.0 -10.0 47 10.0 -4.2 270 36 315.2 315.8 290.2 324.8 2.95 11 574 4715 -1.3 -23.3 17 22.0 -8.1 265 42 318.6 318.8 289.4 322.1 1.02 12 532 5316 -6.5 -33.5 10 27.0 -12.6 264 51 319.4 319.5 289.0 320.9 0.43 13 515 5570 -7.9 -21.9 31 14.0 -12.1 273 55 320.7 320.9 290.3 325.1 1.29 14 500 5800 -8.5 -31.5 14 23.0 -13.9 280 58 322.7 322.8 290.2 324.7 0.55 15 494 5893 -8.9 -34.9 10 26.0 -14.5 280 59 323.3 323.4 290.2 324.8 0.40 16 400 7480 -22.9 -37.9 24 15.0 -25.2 275 69 325.2 325.3 290.7 326.6 0.36 17 378 7890 -26.7 -38.7 31 12.0 -28.3 270 73 325.5 325.6 290.8 326.8 0.36 18 364 8161 -27.5 -50.5 9 23.0 -29.6 266 76 328.0 328.0 291.3 328.4 0.10 19 359 8261 -25.9 -59.9 3 34.0 -28.5 265 77 331.4 331.4 292.2 331.6 0.03 20 323 9018 -29.5 -58.5 4 29.0 -31.6 262 88 336.6 336.6 293.5 336.8 0.04 21 300 9540 -33.3 -57.3 7 24.0 -34.9 260 96 338.4 338.5 294.0 338.7 0.06 22 250 10790 -44.1 -62.1 12 18.0 -44.7 265 98 340.5 340.5 294.5 340.7 0.04 23 239 11091 -46.7 -61.7 17 15.0 -47.2 269 99 341.0 341.0 294.6 341.2 0.04 24 200 12250 -55.7 -67.7 21 12.0 -55.9 285 102 344.6 344.6 295.4 344.7 0.02 25 194 12444 -57.5 -67.5 27 10.0 -57.6 285 102 344.7 344.7 295.4 344.8 0.02 26 177 13020 -61.3 -71.9 23 10.6 -61.4 280 109 347.6 347.6 296.1 347.7 0.01 27 167 13381 -63.7 -74.7 21 11.0 -63.8 277 103 349.4 349.5 296.5 349.5 0.01 28 150 14040 -64.7 -80.7 9 16.0 -64.8 270 90 358.6 358.6 298.4 358.6 0.00 29 145 14247 -63.7 -82.7 6 19.0 -63.8 268 87 363.9 363.9 299.4 363.9 0.00 30 119 15443 -69.1 -86.1 7 17.0 -69.2 256 69 375.1 375.1 301.4 375.1 0.00 31 117 15545 -66.3 -86.3 4 20.0 -66.4 255 67 382.1 382.1 302.6 382.1 0.00 32 100 16480 -72.9 -86.9 10 14.0 -72.9 285 35 386.9 386.9 303.3 386.9 0.00 33 94 16841 -75.7 -86.7 16 11.0 -75.7 285 36 388.3 388.3 303.5 388.3 0.00 34 86 17357 -74.5 -88.5 10 14.0 -74.6 265 39 400.7 400.7 305.3 400.7 0.00 35 83 17565 -72.1 -89.1 6 17.0 -72.2 258 33 409.7 409.7 306.5 409.7 0.00 36 81 17711 -66.1 -90.1 2 24.0 -66.2 258 27 424.9 424.9 308.3 424.9 0.00 37 73 18344 -64.7 -89.7 2 25.0 -64.9 331 8 440.6 440.6 310.0 440.7 0.00 38 70 18600 -65.3 -89.3 2 24.0 -65.5 10 4 444.7 444.7 310.3 444.7 0.00 39 64 19143 -68.3 -90.3 3 22.0 -68.5 350 4 449.6 449.6 310.8 449.7 0.00 40 50 20640 -64.5 -90.5 2 26.0 -64.8 280 20 491.5 491.5 314.3 491.5 0.00 41 48 20889 -64.3 -90.3 2 26.0 -64.7 283 18 497.7 497.7 314.8 497.7 0.00 42 40 22018 -57.7 -89.7 1 32.0 -58.6 269 22 541.0 541.0 317.6 541.0 0.00 43 36 22676 -61.1 -90.1 1 29.0 -61.8 251 27 548.7 548.7 318.0 548.7 0.00 44 35 22852 -58.3 -90.3 1 32.0 -59.3 245 26 560.4 560.4 318.6 560.5 0.00 45 30 23820 -58.1 -90.1 1 32.0 -59.2 285 18 586.2 586.3 320.0 586.3 0.00 46 26 24722 -57.1 -90.1 1 33.0 -58.5 303 15 613.6 613.6 321.2 613.6 0.00 47 25 24972 -53.7 -89.7 0 36.0 -55.8 319 19 630.3 630.3 321.9 630.3 0.00 48 23 25504 -56.5 -89.5 1 33.0 -58.2 306 15 637.2 637.2 322.2 637.3 0.01 49 20 26400 -51.7 -88.7 0 37.0 -54.7 325 18 677.9 677.9 323.7 678.0 0.01 50 16 27847 -51.9 -88.9 0 37.0 -55.4 311 19 721.9 722.0 325.1 722.0 0.01 TRP 94 16841 -75.7 -86.7 16 11.0 -75.7 285 36 388.3 388.3 303.5 388.3 0.00 WND 177 13020 -61.3 -71.9 23 10.6 -61.4 280 109 347.6 347.6 296.1 347.7 0.01 Sounding variables and indices 1000-500 mb thick: 5723.00 m Freezing level: 606.00 mb = 4281.13 m = 14045.53 ft Wetbulb zero: 642.81 mb = 3803.33 m = 12477.96 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 56.00 % Est. max temperature: 27.04 C = 80.68 F Sfc-Lift cond lev (LCL): 886.65 mb = 1119.43 m = 3672.63 ft T: 16.77 C 700-500 lapse rate: 6.35 C/km ThetaE index: 6.46 C Layer 795.0- 700.0 mb Conv cond level (CCL): 851.73 mb = 1460.75 m = 4792.42 ft Mean mixing ratio: 11.98 g/kg Conv temperature: 19.53 C = 67.15 F Cap Strength: 2.71 C Lifted Index: -0.20 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.95 C Lifted Index @700 mb: 2.08 C Showalter Index: 0.15 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.40 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 274.80 Risk: None Energy Index: -2.08 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 251.73 J/kg Max Up Vert Vel: 22.44 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.66 C Lift Cond Lev (LCL): 847.21 mb = 1505.75 m = 4940.06 ft Lev Free Conv (LFC): 842.21 mb = 1555.68 m = 5103.86 ft Equ Level (EL): 822.21 mb = 1758.35 m = 5768.80 ft B at Equ Level: 17.31 J/kg Max Parcel Lev (MPL): 782.21 mb = 2178.09 m = 7145.88 ft Wind level data Storm motion: 304 at 30 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 ---------------------------------------------------------- 0 909 908 10 6 -1.0 -5.9 | 112 28 -25.9 10.7 1 908 914 270 10 10.0 -0.0 | 138 22 -14.8 16.6 2 850 1478 280 25 24.6 -4.3 | 179 12 -0.2 12.2 3 815 1829 285 33 31.9 -8.5 | 221 11 7.0 8.0 4 786 2134 290 28 26.3 -9.6 | 192 7 1.5 7.0 5 758 2438 280 32 31.5 -5.6 | 211 13 6.7 11.0 6 705 3048 265 26 25.9 2.3 | 183 19 1.1 18.8 7 700 3107 265 29 28.9 2.5 | 192 20 4.1 19.1 8 606 4267 270 36 36.0 -0.0 | 214 20 11.2 16.6 9 540 5182 260 49 48.3 8.5 | 223 34 23.4 25.1 10 501 5791 280 58 57.1 -10.1 | 259 33 32.3 6.5 11 500 5800 280 58 57.1 -10.1 | 259 33 32.3 6.5 12 481 6096 280 61 60.1 -10.6 | 260 36 35.2 6.0 13 400 7480 275 69 68.7 -6.0 | 256 45 43.9 10.6 14 360 8230 265 77 76.7 6.7 | 246 57 51.9 23.3 15 300 9540 260 96 94.5 16.7 | 244 77 69.7 33.3 16 291 9754 260 96 94.5 16.7 | 244 77 69.7 33.3 17 250 10790 265 98 97.6 8.5 | 251 77 72.8 25.1 18 200 12250 285 102 98.5 -26.4 | 278 74 73.7 -9.8 19 192 12497 285 102 98.5 -26.4 | 278 74 73.7 -9.8 20 177 13020 280 109 107.3 -18.9 | 272 83 82.5 -2.3 21 175 13106 280 109 107.3 -18.9 | 272 83 82.5 -2.3 22 150 14040 270 90 90.0 -0.0 | 256 67 65.2 16.6 23 117 15545 255 67 64.7 17.3 | 230 52 39.9 33.9 24 106 16154 260 38 37.4 6.6 | 209 26 12.6 23.2 25 100 16459 270 31 31.0 -0.0 | 200 18 6.2 16.6 26 100 16480 285 35 33.8 -9.1 | 230 12 9.0 7.5 27 95 16764 285 35 33.8 -9.1 | 230 12 9.0 7.5 28 94 16841 285 36 34.8 -9.3 | 234 12 9.9 7.3 29 90 17069 285 36 34.8 -9.3 | 234 12 9.9 7.3 30 86 17374 265 39 38.9 3.4 | 215 24 14.0 20.0 31 82 17678 255 30 29.0 7.8 | 190 25 4.1 24.3 32 78 17983 275 14 13.9 -1.2 | 145 19 -10.9 15.4 33 70 18600 10 4 -0.7 -3.9 | 116 28 -25.5 12.6 34 55 20117 315 3 2.1 -2.1 | 122 27 -22.7 14.5 35 50 20640 280 20 19.7 -3.5 | 159 14 -5.1 13.1 36 49 20726 280 22 21.7 -3.8 | 166 13 -3.2 12.8 37 47 21031 285 15 14.5 -3.9 | 141 16 -10.3 12.7 38 45 21336 315 15 10.6 -10.6 | 113 15 -14.2 6.0 39 43 21641 285 14 13.5 -3.6 | 139 17 -11.3 13.0 40 39 22250 260 27 26.6 4.7 | 185 21 1.8 21.3 41 37 22555 255 27 26.1 7.0 | 183 24 1.2 23.6 42 35 22860 245 26 23.6 11.0 | 177 28 -1.3 27.6 43 33 23165 270 16 16.0 -0.0 | 152 19 -8.8 16.6 44 30 23774 245 11 10.0 4.6 | 145 26 -14.9 21.2 45 30 23820 285 18 17.4 -4.7 | 148 14 -7.4 11.9 46 29 24079 305 16 13.1 -9.2 | 122 14 -11.7 7.4 47 27 24384 260 13 12.8 2.3 | 147 22 -12.0 18.8 48 26 24689 300 14 12.1 -7.0 | 127 16 -12.7 9.6 49 25 24994 320 19 12.2 -14.6 | 99 13 -12.6 2.0 50 24 25298 320 19 12.2 -14.6 | 99 13 -12.6 2.0 51 23 25603 300 13 11.3 -6.5 | 127 17 -13.6 10.1 52 22 25908 345 17 4.4 -16.4 | 90 20 -20.4 0.2 53 21 26213 315 11 7.8 -7.8 | 117 19 -17.1 8.8 54 20 26400 325 18 10.3 -14.7 | 97 15 -14.5 1.8 55 19 26518 335 15 6.3 -13.6 | 99 19 -18.5 3.0 56 16 27127 315 20 14.1 -14.1 | 103 11 -10.7 2.4 57 15 27432 290 12 11.3 -4.1 | 133 18 -13.6 12.5 58 14 27737 300 11 9.5 -5.5 | 126 19 -15.3 11.1 59 12 28042 280 12 11.8 -2.1 | 138 19 -13.0 14.5 60 11 28346 300 10 8.7 -5.0 | 126 20 -16.2 11.6 61 10 28651 260 17 16.7 3.0 | 157 21 -8.1 19.5 62 10 28956 230 18 13.8 11.6 | 159 30 -11.0 28.2 63 9 29261 245 14 12.7 5.9 | 152 26 -12.1 22.5 Wind Parameters Mean winds (0-6000m): 273.7 at 39.8 knts Storm direction: 303.7 at 29.9 knts Shear (0-3000m) pos: 2.1 neg: 4.7 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 184.7 neg: -36.2 tot: 148.5 m^2/s^2 ave: 49.5 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 5.1 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 3.48 Bulk Shear: 72.33 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 ------------------------------------------------------------------------------- 500 276 16 150 17| 0.0 24.7 24.7|111.6 0.0 111.6 223.2 0.81| 26.5 21.5 1000 281 23 168 13| 4.8 12.4 17.1|139.5 -1.2 138.4 138.4 0.81| 18.9 15.4 1500 283 25 178 11| 3.2 8.6 11.8|145.7 -7.6 138.1 92.0 0.64| 15.8 10.1 2000 281 26 185 12| 2.4 6.2 8.6|145.7 -30.7 115.0 57.5 0.44| 13.9 6.1 2500 278 27 187 13| 1.9 5.7 7.6|167.9 -36.2 131.7 52.7 0.45| 12.4 5.5 3000 276 28 191 14| 2.1 4.7 6.9|184.7 -36.2 148.5 49.5 0.47| 10.9 5.1 4000 273 30 200 16| 2.1 4.6 6.7|218.2 -36.2 182.0 45.5 0.47| 9.8 4.6 5000 272 35 213 19| 3.7 3.7 7.4|407.5 -36.2 371.3 74.3 0.56| 10.5 5.9 6000 274 40 227 20| 3.1 3.7 6.8|413.4 -51.4 362.0 60.3 0.52| 9.4 4.8 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251013.12.gif