UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 18 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 124 1 925 804 SFC 914 908 17.6 16.8 95 0.8 17.1 210 14 298.3 300.7 293.6 336.9 13.28 3 870 1326 14.8 13.8 94 1.0 14.1 195 19 299.7 301.7 292.6 333.2 11.48 4 850 1522 15.6 14.1 91 1.5 14.6 195 8 302.5 304.7 293.8 338.0 11.99 5 849 1532 15.8 14.1 90 1.7 14.7 191 10 302.8 305.0 293.9 338.4 12.00 6 790 2146 14.8 11.5 81 3.3 12.7 300 15 308.0 310.1 294.6 340.9 10.86 7 753 2551 11.4 9.6 89 1.8 10.3 288 27 308.6 310.5 294.1 339.1 10.02 8 725 2869 10.4 5.4 71 5.0 7.5 283 34 310.9 312.3 293.0 334.9 7.78 9 700 3161 8.0 4.1 76 3.9 5.8 290 44 311.3 312.7 292.8 334.1 7.36 10 617 4189 0.4 0.2 99 0.2 0.3 295 33 314.1 315.3 292.7 333.9 6.31 11 611 4268 1.4 0.1 91 1.3 0.7 299 30 316.1 317.3 293.3 336.1 6.32 12 575 4755 -1.3 -1.3 100 0.0 -1.3 294 29 318.5 319.6 293.8 337.9 6.06 13 500 5860 -6.3 -7.0 95 0.7 -6.7 280 26 325.4 326.3 294.4 340.4 4.53 14 426 7102 -13.3 -14.9 88 1.6 -13.9 275 30 331.7 332.2 294.7 341.4 2.82 15 400 7580 -16.5 -18.2 87 1.7 -17.1 275 34 333.5 334.0 294.7 341.6 2.28 16 360 8364 -21.9 -23.0 91 1.1 -22.2 280 39 336.5 336.9 294.9 342.5 1.67 17 340 8782 -24.9 -26.5 86 1.6 -25.3 278 41 338.0 338.2 295.0 342.7 1.29 18 309 9470 -30.3 -33.0 77 2.7 -30.7 276 46 339.8 339.9 295.0 342.7 0.77 19 302 9633 -31.7 -33.3 86 1.6 -32.0 275 47 340.1 340.2 295.0 342.9 0.76 20 300 9680 -32.1 -34.6 78 2.5 -32.5 275 47 340.1 340.3 295.0 342.7 0.68 21 255 10797 -41.7 -48.7 47 7.0 -42.2 275 51 342.1 342.2 295.0 342.9 0.18 22 250 10930 -42.7 -48.7 52 6.0 -43.1 275 49 342.6 342.6 295.1 343.3 0.18 23 207 12170 -53.9 -57.6 64 3.7 -54.0 286 58 344.0 344.0 295.4 344.3 0.08 24 200 12390 -55.7 -59.6 62 3.9 -55.8 290 62 344.6 344.6 295.5 344.8 0.06 25 196 12518 -56.9 -60.0 68 3.1 -57.0 291 63 344.6 344.7 295.5 344.9 0.06 26 166 13548 -65.4 -71.1 45 5.6 -65.5 295 75 347.1 347.1 296.0 347.2 0.02 27 162 13696 -66.7 -72.7 42 6.0 -66.7 295 75 347.5 347.5 296.1 347.5 0.01 28 150 14160 -67.7 -74.7 36 7.0 -67.8 265 65 353.5 353.5 297.4 353.5 0.01 29 132 14924 -71.1 -81.1 21 10.0 -71.1 247 58 360.6 360.6 298.8 360.6 0.00 30 129 15061 -69.3 -82.3 13 13.0 -69.4 248 57 366.2 366.2 299.9 366.2 0.00 31 101 16493 -77.7 -84.7 31 7.0 -77.7 260 25 376.5 376.5 301.7 376.5 0.00 32 100 16550 -77.3 -84.3 32 7.0 -77.3 255 23 378.4 378.4 302.0 378.4 0.00 33 93 16965 -78.3 -85.3 31 7.0 -78.3 252 26 384.3 384.3 302.9 384.4 0.00 34 87 17350 -74.1 -86.1 14 12.0 -74.2 212 21 400.2 400.2 305.2 400.2 0.00 35 79 17910 -76.3 -87.3 16 11.0 -76.3 259 20 406.8 406.8 306.1 406.8 0.00 36 77 18060 -71.1 -87.1 8 16.0 -71.2 261 21 420.7 420.7 307.8 420.7 0.00 37 73 18377 -69.1 -87.1 6 18.0 -69.2 276 17 431.3 431.3 309.0 431.4 0.00 38 71 18544 -66.3 -86.3 4 20.0 -66.5 295 15 440.8 440.8 310.0 440.8 0.00 39 70 18630 -66.5 -87.5 4 21.0 -66.7 270 21 442.1 442.1 310.1 442.1 0.00 40 61 19463 -66.3 -88.3 3 22.0 -66.5 266 23 460.3 460.3 311.8 460.3 0.00 41 54 20209 -62.3 -87.3 2 25.0 -62.7 245 11 485.9 485.9 313.9 485.9 0.00 42 51 20560 -64.3 -88.3 2 24.0 -64.6 195 13 489.2 489.2 314.2 489.2 0.00 TRP 101 16493 -77.7 -84.7 31 7.0 -77.7 260 25 376.5 376.5 301.7 376.5 0.00 WND 166 13548 -65.4 -71.1 45 5.6 -65.5 295 75 347.1 347.1 296.0 347.2 0.02 Sounding variables and indices 1000-500 mb thick: 5736.00 m Freezing level: 592.33 mb = 4520.31 m = 14830.23 ft Wetbulb zero: 598.65 mb = 4431.55 m = 14539.01 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 89.67 % Est. max temperature: 27.45 C = 81.41 F Sfc-Lift cond lev (LCL): 903.46 mb = 1006.24 m = 3301.27 ft T: 16.94 C 700-500 lapse rate: 5.30 C/km ThetaE index: 7.06 C Layer 753.0- 611.0 mb Conv cond level (CCL): 764.56 mb = 2422.21 m = 7946.78 ft Mean mixing ratio: 11.98 g/kg Conv temperature: 27.44 C = 81.40 F Cap Strength: 3.35 C Lifted Index: 1.88 C Risk: Showers probable Lifted Index @300 mb: 3.97 C Lifted Index @700 mb: 1.36 C Showalter Index: 1.36 C Risk: Showers probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.40 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.20 Risk: None Energy Index: 0.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.65 J/kg Max Up Vert Vel: 9.13 m/s Conv Inhibition (B-): 144.23 J/kg Cap Strength: 3.20 C Lift Cond Lev (LCL): 844.66 mb = 1575.75 m = 5169.73 ft Lev Free Conv (LFC): 649.66 mb = 3768.98 m = 12365.28 ft Equ Level (EL): 609.66 mb = 4285.39 m = 14059.51 ft B at Equ Level: 41.55 J/kg Max Parcel Lev (MPL): 509.66 mb = 5708.77 m = 18729.32 ft Wind level data Storm motion: 312 at 20 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 ---------------------------------------------------------- 0 914 908 210 14 7.0 12.1 | 162 27 -8.2 25.6 1 881 1219 195 25 6.5 24.1 | 167 39 -8.7 37.7 2 850 1522 195 8 2.1 7.7 | 148 25 -13.1 21.2 3 850 1524 190 10 1.7 9.8 | 150 27 -13.5 23.4 4 820 1829 245 3 2.7 1.3 | 140 19 -12.5 14.8 5 791 2134 300 15 13.0 -7.5 | 160 6 -2.2 6.0 6 763 2438 290 24 22.6 -8.2 | 234 9 7.3 5.3 7 709 3048 280 39 38.4 -6.8 | 254 24 23.2 6.7 8 700 3161 290 44 41.3 -15.0 | 273 26 26.1 -1.5 9 683 3353 285 46 44.4 -11.9 | 267 29 29.2 1.6 10 633 3962 285 39 37.7 -10.1 | 261 23 22.5 3.4 11 610 4267 300 30 26.0 -15.0 | 278 11 10.8 -1.5 12 500 5860 280 26 25.6 -4.5 | 229 14 10.4 9.0 13 485 6096 285 25 24.1 -6.5 | 232 11 8.9 7.0 14 466 6401 275 24 23.9 -2.1 | 217 14 8.7 11.4 15 400 7580 275 34 33.9 -3.0 | 241 21 18.7 10.6 16 366 8230 280 38 37.4 -6.6 | 253 23 22.2 6.9 17 300 9680 275 47 46.8 -4.1 | 253 33 31.6 9.4 18 260 10668 275 52 51.8 -4.5 | 256 38 36.6 9.0 19 250 10930 275 49 48.8 -4.3 | 255 35 33.6 9.2 20 226 11582 275 46 45.8 -4.0 | 253 32 30.6 9.5 21 200 12390 290 62 58.3 -21.2 | 280 44 43.1 -7.7 22 166 13548 295 75 68.0 -31.7 | 289 56 52.8 -18.2 23 161 13716 295 75 68.0 -31.7 | 289 56 52.8 -18.2 24 150 14160 265 65 64.8 5.7 | 249 53 49.5 19.2 25 139 14630 245 58 52.6 24.5 | 224 53 37.4 38.0 26 125 15240 250 57 53.6 19.5 | 229 51 38.4 33.0 27 119 15545 255 30 29.0 7.8 | 213 25 13.8 21.3 28 113 15850 260 25 24.6 4.3 | 208 20 9.4 17.9 29 107 16154 280 27 26.6 -4.7 | 232 14 11.4 8.8 30 102 16459 250 30 28.2 10.3 | 209 27 13.0 23.8 31 101 16493 260 25 24.6 4.3 | 208 20 9.4 17.9 32 100 16550 255 23 22.2 6.0 | 200 21 7.0 19.5 33 96 16764 255 23 22.2 6.0 | 200 21 7.0 19.5 34 91 17069 250 28 26.3 9.6 | 206 26 11.1 23.1 35 87 17374 210 21 10.5 18.2 | 172 32 -4.7 31.7 36 82 17678 255 14 13.5 3.6 | 174 17 -1.7 17.1 37 78 17983 260 22 21.7 3.8 | 200 18 6.5 17.3 38 74 18288 265 18 17.9 1.6 | 190 15 2.7 15.1 39 70 18593 300 15 13.0 -7.5 | 160 6 -2.2 6.0 40 70 18630 270 21 21.0 -0.0 | 203 15 5.8 13.5 41 66 18898 275 23 22.9 -2.0 | 214 14 7.7 11.5 42 62 19202 265 26 25.9 2.3 | 214 19 10.7 15.8 43 55 19812 270 10 10.0 -0.0 | 159 14 -5.2 13.5 44 52 20117 190 14 2.4 13.8 | 155 30 -12.8 27.3 45 49 20422 210 11 5.5 9.5 | 157 25 -9.7 23.0 46 46 20726 180 11 0.0 11.0 | 148 29 -15.2 24.5 Wind Parameters Mean winds (0-6000m): 281.6 at 27.1 knts Storm direction: 311.6 at 20.3 knts Shear (0-3000m) pos: 6.5 neg: 1.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 125.4 neg: -129.4 tot: -4.1 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 15.7 stream: 2.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.32 Bulk Shear: 131.66 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 ------------------------------------------------------------------------------- 500 198 20 164 33| 0.0 3.8 3.8| 20.0 -50.9 -30.9 -61.9 -0.15| 22.5 -3.3 1000 200 13 158 28| 6.7 1.9 8.6| 32.8 -96.5 -63.7 -63.7 -0.20| 19.6 -4.0 1500 231 14 169 23| 9.8 1.3 11.0| 57.3 -96.5 -39.2 -26.2 0.06| 19.8 1.1 2000 258 18 188 17| 7.3 2.6 9.9| 72.7 -96.5 -23.8 -11.9 0.11| 18.3 2.0 2500 270 23 210 15| 7.8 2.1 9.9|125.4-115.6 9.8 3.9 0.16| 17.6 2.8 3000 275 26 224 16| 6.5 1.0 7.5|125.4-129.4 -4.1 -1.4 0.12| 15.7 2.0 4000 281 28 235 14| 4.3 1.1 5.4|144.3-141.4 2.9 0.7 0.11| 14.0 1.5 5000 282 27 237 14| 3.5 1.4 4.8|144.3-159.8 -15.5 -3.1 0.05| 11.8 0.6 6000 282 27 235 14| 2.9 1.4 4.3|158.9-170.1 -11.2 -1.9 0.05| 10.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251018.00.gif