UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 21 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 234 1 925 892 100 7 SFC 923 908 10.8 9.4 91 1.4 10.0 100 7 290.5 292.0 286.5 313.3 8.04 3 878 1324 7.4 7.4 100 0.0 7.4 90 20 291.2 292.5 286.1 312.2 7.37 4 850 1591 5.6 5.2 97 0.4 5.4 90 25 292.0 293.2 285.6 310.8 6.53 5 765 2445 0.0 0.0 100 0.0 0.0 105 28 294.9 295.8 285.1 309.6 5.00 6 764 2456 0.0 -0.9 94 0.9 -0.4 106 28 295.0 295.9 284.9 308.8 4.69 7 763 2466 0.0 -2.8 81 2.8 -1.3 106 28 295.1 295.9 284.2 307.2 4.08 8 762 2477 2.8 -20.2 17 23.0 -4.2 106 27 298.3 298.4 282.0 301.5 1.01 9 761 2487 4.0 -29.0 7 33.0 -4.4 107 27 299.7 299.8 281.8 301.2 0.46 10 757 2530 5.8 -33.2 4 39.0 -3.7 108 27 302.1 302.1 282.7 303.1 0.31 11 700 3169 3.6 -36.4 3 40.0 -5.4 130 17 306.5 306.5 284.3 307.3 0.24 12 689 3298 3.6 -40.4 2 44.0 -5.7 130 16 307.9 307.9 284.7 308.5 0.16 13 613 4234 -3.7 -43.7 3 40.0 -10.7 139 14 309.9 310.0 285.5 310.4 0.13 14 569 4821 -5.9 -53.9 1 48.0 -12.6 179 8 314.0 314.0 286.8 314.2 0.04 15 500 5820 -13.3 -58.3 1 45.0 -18.1 190 13 316.8 316.8 287.8 316.9 0.03 16 400 7470 -25.9 -49.9 9 24.0 -28.1 210 32 321.3 321.3 289.3 321.7 0.10 17 397 7524 -26.3 -50.3 9 24.0 -28.5 210 32 321.5 321.5 289.3 321.9 0.10 18 383 7784 -26.7 -57.7 4 31.0 -29.0 218 33 324.3 324.3 290.1 324.5 0.04 19 305 9387 -38.9 -63.9 5 25.0 -39.9 225 52 329.0 329.0 291.5 329.1 0.02 20 300 9500 -39.5 -66.5 4 27.0 -40.5 225 53 329.7 329.7 291.6 329.8 0.02 21 250 10730 -47.3 -66.3 10 19.0 -47.8 235 58 335.7 335.7 293.3 335.8 0.02 22 249 10756 -47.5 -66.5 10 19.0 -48.0 235 58 335.8 335.8 293.3 335.9 0.02 23 217 11659 -48.9 -74.9 3 26.0 -49.4 242 60 347.1 347.1 296.0 347.2 0.01 24 200 12190 -51.1 -76.1 4 25.0 -51.5 245 59 351.8 351.9 297.0 351.9 0.01 25 157 13735 -59.2 -81.7 4 22.5 -59.4 255 67 363.4 363.4 299.4 363.4 0.00 26 150 14020 -60.7 -82.7 4 22.0 -60.9 250 56 365.5 365.5 299.8 365.5 0.00 27 130 14901 -65.1 -84.1 6 19.0 -65.2 251 55 372.9 372.9 301.1 372.9 0.00 28 111 15859 -67.3 -86.3 5 19.0 -67.4 235 40 386.0 386.0 303.2 386.0 0.00 29 100 16490 -66.1 -87.1 4 21.0 -66.2 270 27 400.0 400.0 305.2 400.0 0.00 30 82 17684 -70.7 -88.7 5 18.0 -70.8 260 13 414.0 414.0 307.0 414.0 0.00 31 70 18630 -68.5 -89.5 3 21.0 -68.7 265 25 437.8 437.8 309.7 437.8 0.00 32 63 19266 -66.7 -89.7 3 23.0 -66.9 268 23 455.2 455.2 311.3 455.2 0.00 33 60 19564 -63.1 -90.1 1 27.0 -63.4 257 25 469.6 469.6 312.6 469.7 0.00 34 56 19988 -64.3 -90.3 2 26.0 -64.6 218 16 476.3 476.3 313.1 476.3 0.00 35 55 20099 -61.5 -89.5 1 28.0 -61.9 202 12 485.1 485.1 313.8 485.2 0.00 36 50 20690 -62.1 -89.1 2 27.0 -62.6 265 10 497.1 497.1 314.8 497.2 0.00 37 35 22909 -58.9 -88.9 1 30.0 -59.8 70 12 558.9 558.9 318.6 558.9 0.00 38 30 23880 -57.1 -88.1 1 31.0 -58.4 100 27 589.0 589.0 320.1 589.0 0.01 39 20 26450 -54.7 -87.7 1 33.0 -57.0 90 17 668.7 668.7 323.4 668.8 0.01 40 15 28301 -52.3 -86.3 1 34.0 -55.8 126 12 734.1 734.1 325.5 734.2 0.02 TRP 111 15859 -67.3 -86.3 5 19.0 -67.4 235 40 386.0 386.0 303.2 386.0 0.00 WND 157 13735 -59.2 -81.7 4 22.5 -59.4 255 67 363.4 363.4 299.4 363.4 0.00 Sounding variables and indices 1000-500 mb thick: 5586.00 m Freezing level: 651.52 mb = 3759.49 m = 12334.15 ft Wetbulb zero: 764.96 mb = 2445.45 m = 8023.05 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 32.01 % Est. max temperature: 14.79 C = 58.63 F Sfc-Lift cond lev (LCL): 903.67 mb = 1084.06 m = 3556.58 ft T: 9.36 C 700-500 lapse rate: 6.37 C/km ThetaE index: 12.14 C Layer 878.0- 757.0 mb Conv cond level (CCL): 865.97 mb = 1437.60 m = 4716.46 ft Mean mixing ratio: 7.09 g/kg Conv temperature: 11.79 C = 53.22 F Cap Strength: 8.03 C Lifted Index: 7.89 C Risk: None Lifted Index @300 mb: 12.98 C Lifted Index @700 mb: 6.86 C Showalter Index: 8.54 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.50 C K Index: -15.90 Risk: None Sweat Index: 125.40 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.37 J/kg Max Up Vert Vel: 7.53 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 8.04 C Lift Cond Lev (LCL): 866.27 mb = 1434.71 m = 4707.01 ft Lev Free Conv (LFC): 861.27 mb = 1482.42 m = 4863.53 ft Equ Level (EL): 761.27 mb = 2484.36 m = 8150.67 ft B at Equ Level: 20.13 J/kg Max Parcel Lev (MPL): 751.27 mb = 2592.26 m = 8504.70 ft Wind level data Storm motion: 171 at 13 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 ---------------------------------------------------------- 0 923 908 100 7 -6.9 1.2 | 22 13 -4.9 -11.9 1 922 914 125 10 -8.2 5.7 | 40 10 -6.2 -7.4 2 889 1219 90 17 -17.0 0.0 | 49 20 -15.0 -13.1 3 857 1524 90 25 -25.0 0.0 | 60 26 -23.0 -13.1 4 850 1591 90 25 -25.0 0.0 | 60 26 -23.0 -13.1 5 795 2134 110 26 -24.4 8.9 | 79 23 -22.4 -4.2 6 766 2438 105 28 -27.0 7.2 | 77 26 -25.0 -5.9 7 700 3169 130 17 -13.0 10.9 | 79 11 -11.0 -2.2 8 684 3353 130 16 -12.3 10.3 | 75 11 -10.2 -2.8 9 609 4267 140 14 -9.0 10.7 | 71 7 -7.0 -2.4 10 564 4877 185 7 0.6 7.0 | 337 7 2.6 -6.1 11 502 5791 185 14 1.2 13.9 | 255 3 3.2 0.8 12 500 5820 190 13 2.3 12.8 | 274 4 4.3 -0.3 13 482 6096 205 17 7.2 15.4 | 256 9 9.2 2.3 14 444 6706 230 24 18.4 15.4 | 263 21 20.4 2.3 15 426 7010 215 36 20.6 29.5 | 234 28 22.7 16.4 16 400 7470 210 32 16.0 27.7 | 231 23 18.0 14.6 17 392 7620 210 32 16.0 27.7 | 231 23 18.0 14.6 18 375 7925 225 33 23.3 23.3 | 248 27 25.3 10.2 19 359 8230 225 42 29.7 29.7 | 242 36 31.7 16.6 20 300 9500 225 53 37.5 37.5 | 238 46 39.5 24.4 21 264 10363 225 54 38.2 38.2 | 238 47 40.2 25.1 22 250 10730 235 58 47.5 33.3 | 248 53 49.5 20.2 23 230 11278 240 61 52.8 30.5 | 252 58 54.8 17.4 24 200 12190 245 59 53.5 24.9 | 258 57 55.5 11.8 25 165 13411 250 54 50.7 18.5 | 264 53 52.8 5.4 26 157 13735 255 67 64.7 17.3 | 266 67 66.7 4.2 27 150 14020 250 56 52.6 19.2 | 264 55 54.6 6.1 28 150 14021 255 67 64.7 17.3 | 266 67 66.7 4.2 29 123 15240 250 50 47.0 17.1 | 265 49 49.0 4.0 30 117 15545 240 57 49.4 28.5 | 253 54 51.4 15.4 31 111 15850 230 47 36.0 30.2 | 246 42 38.0 17.1 32 111 15859 235 40 32.8 22.9 | 254 36 34.8 9.8 33 106 16154 230 38 29.1 24.4 | 250 33 31.1 11.3 34 100 16490 270 27 27.0 -0.0 | 294 32 29.0 -13.1 35 96 16764 270 27 27.0 -0.0 | 294 32 29.0 -13.1 36 91 17069 280 30 29.5 -5.2 | 300 36 31.6 -18.3 37 86 17374 225 15 10.6 10.6 | 281 13 12.6 -2.5 38 82 17678 260 13 12.8 2.3 | 306 18 14.8 -10.8 39 78 17983 275 25 24.9 -2.2 | 300 31 26.9 -15.3 40 74 18288 265 21 20.9 1.8 | 296 26 22.9 -11.3 41 70 18593 295 21 19.0 -8.9 | 316 30 21.0 -22.0 42 70 18630 265 25 24.9 2.2 | 292 29 26.9 -10.9 43 67 18898 290 25 23.5 -8.6 | 310 33 25.5 -21.7 44 64 19202 270 23 23.0 -0.0 | 298 28 25.0 -13.1 45 61 19507 260 25 24.6 4.3 | 288 28 26.6 -8.8 46 58 19812 245 23 20.8 9.7 | 278 23 22.9 -3.4 47 55 20117 200 12 4.1 11.3 | 287 6 6.1 -1.8 48 52 20422 235 13 10.6 7.5 | 294 14 12.7 -5.6 49 50 20690 265 10 10.0 0.9 | 316 17 12.0 -12.2 50 50 20726 265 6 6.0 0.5 | 328 15 8.0 -12.6 51 47 21031 265 10 10.0 0.9 | 316 17 12.0 -12.2 52 43 21641 110 10 -9.4 3.4 | 37 12 -7.4 -9.7 53 41 21946 90 10 -10.0 0.0 | 31 15 -8.0 -13.1 54 39 22250 65 17 -15.4 -7.2 | 33 24 -13.4 -20.3 55 37 22555 85 12 -12.0 -1.0 | 35 17 -9.9 -14.1 56 35 22860 75 14 -13.5 -3.6 | 35 20 -11.5 -16.7 57 34 23165 50 4 -3.1 -2.6 | 4 16 -1.0 -15.7 58 31 23774 125 13 -10.6 7.5 | 57 10 -8.6 -5.6 59 30 23880 100 27 -26.6 4.7 | 71 26 -24.6 -8.4 60 29 24079 100 29 -28.6 5.0 | 73 28 -26.5 -8.1 61 26 24689 110 13 -12.2 4.4 | 50 13 -10.2 -8.7 62 25 24994 120 18 -15.6 9.0 | 73 14 -13.6 -4.1 63 22 25908 85 17 -16.9 -1.5 | 46 21 -14.9 -14.6 64 20 26450 90 17 -17.0 0.0 | 49 20 -15.0 -13.1 65 16 27127 100 16 -15.8 2.8 | 53 17 -13.7 -10.3 66 15 27432 135 11 -7.8 7.8 | 47 8 -5.8 -5.3 67 13 27737 150 16 -8.0 13.9 | 97 6 -6.0 0.8 68 10 28651 120 34 -29.4 17.0 | 98 28 -27.4 3.9 Wind Parameters Mean winds (0-6000m): 141.3 at 17.7 knts Storm direction: 171.3 at 13.3 knts Shear (0-3000m) pos: 2.7 neg: 2.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 51.1 deg Storm rel helicity (0-3000m) pos: 109.4 neg: -11.7 tot: 97.6 m^2/s^2 ave: 32.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 3.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.32 Bulk Shear: 21.53 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 97 16 50 18| 0.0 15.5 15.5| 36.5 -2.1 34.5 69.0 0.47| 18.8 8.9 1000 95 20 58 21| 3.1 7.8 10.9| 79.0 -2.1 76.9 76.9 0.57| 13.6 7.7 1500 100 22 65 22| 3.0 5.2 8.2| 99.0 -6.7 92.3 61.5 0.54| 11.1 6.0 2000 103 23 69 22| 3.0 3.9 6.9|109.4 -6.7 102.7 51.3 0.46| 10.8 4.9 2500 106 22 70 20| 2.9 3.1 6.1|109.4 -11.3 98.1 39.2 0.37| 9.9 3.7 3000 110 21 71 19| 2.7 2.6 5.3|109.4 -11.7 97.6 32.5 0.35| 8.5 3.0 4000 116 18 71 15| 3.0 1.9 5.0|109.4 -20.2 89.1 22.3 0.17| 7.9 1.3 5000 124 17 73 13| 2.8 1.5 4.3|109.4 -25.8 83.7 16.7 0.07| 7.2 0.5 6000 141 18 94 9| 4.0 1.3 5.3|119.1 -75.3 43.8 7.3 -0.02| 8.1 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251021.00.gif