UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 17 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 133 1 925 817 SFC 915 908 19.6 16.3 81 3.3 17.4 170 7 300.3 302.6 293.8 337.9 12.84 3 850 1546 17.0 9.0 59 8.0 12.1 190 20 304.0 305.5 291.6 329.4 8.50 4 758 2516 13.0 5.0 58 8.0 8.3 244 6 309.7 311.1 292.3 332.0 7.23 5 741 2706 11.6 1.6 50 10.0 6.1 253 3 310.2 311.3 291.2 328.3 5.80 6 725 2889 10.4 6.9 79 3.5 8.3 241 6 310.9 312.5 293.7 337.5 8.64 7 701 3168 8.4 5.2 80 3.2 6.5 261 11 311.7 313.2 293.4 336.2 7.94 8 700 3180 8.4 5.0 79 3.4 6.4 265 11 311.8 313.3 293.3 336.0 7.84 9 599 4451 1.0 -8.0 51 9.0 -3.1 275 13 317.4 318.1 291.4 328.8 3.49 10 565 4918 -2.5 -4.9 84 2.4 -3.7 294 17 318.7 319.6 292.7 333.8 4.71 11 510 5725 -6.9 -13.9 57 7.0 -9.6 292 25 322.8 323.3 292.1 331.4 2.56 12 500 5880 -7.5 -19.5 38 12.0 -11.5 290 26 323.9 324.2 291.6 329.5 1.63 13 496 5943 -8.1 -24.1 26 16.0 -12.8 290 26 323.9 324.1 291.1 327.8 1.10 14 494 5974 -7.9 -24.9 24 17.0 -12.8 290 26 324.5 324.7 291.2 328.1 1.03 15 462 6492 -11.9 -25.9 30 14.0 -15.6 296 29 325.8 326.0 291.5 329.4 1.00 16 429 7054 -17.1 -21.4 69 4.3 -18.3 301 32 326.2 326.5 292.2 331.8 1.61 17 417 7267 -17.3 -19.4 84 2.1 -18.0 276 33 328.6 329.0 293.2 335.4 1.97 18 413 7340 -16.9 -19.0 84 2.1 -17.6 268 33 330.0 330.4 293.6 337.2 2.06 19 400 7580 -17.9 -20.3 81 2.4 -18.6 240 34 331.7 332.1 293.9 338.4 1.90 20 397 7636 -17.9 -21.2 75 3.3 -18.9 245 27 332.4 332.8 294.0 338.7 1.77 21 300 9660 -33.9 -37.9 67 4.0 -34.4 250 28 337.6 337.7 294.2 339.5 0.49 22 270 10389 -39.7 -45.7 53 6.0 -40.2 245 37 339.5 339.5 294.4 340.4 0.24 23 250 10910 -44.7 -48.4 66 3.7 -44.9 240 44 339.6 339.6 294.4 340.4 0.19 24 231 11433 -49.7 -53.7 63 4.0 -49.8 243 50 339.8 339.8 294.4 340.2 0.11 25 200 12360 -56.9 -61.9 53 5.0 -57.0 260 63 342.7 342.7 295.0 342.9 0.05 26 185 12851 -60.1 -66.1 45 6.0 -60.2 264 77 345.2 345.2 295.6 345.3 0.03 27 180 13022 -61.1 -72.7 20 11.6 -61.2 265 82 346.3 346.3 295.8 346.3 0.01 28 177 13127 -61.7 -76.7 12 15.0 -61.8 264 82 347.0 347.0 296.0 347.0 0.01 29 155 13941 -66.7 -78.7 17 12.0 -66.8 241 60 351.9 351.9 297.0 351.9 0.01 30 150 14140 -66.1 -80.1 12 14.0 -66.2 235 55 356.2 356.2 298.0 356.2 0.00 31 149 14180 -66.1 -80.1 12 14.0 -66.2 236 57 356.9 356.9 298.1 356.9 0.00 32 120 15464 -74.7 -78.1 59 3.4 -74.7 235 9 363.9 363.9 299.5 364.0 0.01 33 115 15712 -71.9 -82.9 18 11.0 -71.9 223 10 373.6 373.6 301.2 373.6 0.00 34 100 16530 -74.3 -85.3 17 11.0 -74.3 210 15 384.2 384.2 302.9 384.2 0.00 35 84 17538 -77.1 -87.1 19 10.0 -77.1 276 14 398.1 398.1 304.9 398.1 0.00 36 78 17969 -72.7 -88.7 7 16.0 -72.8 211 11 415.8 415.8 307.2 415.8 0.00 37 75 18202 -67.1 -89.1 3 22.0 -67.2 286 23 432.2 432.2 309.1 432.2 0.00 38 70 18620 -65.9 -88.9 3 23.0 -66.1 250 18 443.4 443.4 310.2 443.4 0.00 39 68 18796 -65.1 -89.1 2 24.0 -65.3 244 17 448.8 448.8 310.7 448.8 0.00 40 50 20680 -62.9 -88.9 2 26.0 -63.3 170 6 495.3 495.3 314.6 495.3 0.00 41 44 21468 -62.7 -88.7 2 26.0 -63.1 185 9 514.2 514.2 315.9 514.2 0.00 TRP 120 15464 -74.7 -78.1 59 3.4 -74.7 235 9 363.9 363.9 299.5 364.0 0.01 WND 180 13022 -61.1 -72.7 20 11.6 -61.2 265 82 346.3 346.3 295.8 346.3 0.01 Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 589.29 mb = 4584.70 m = 15041.47 ft Wetbulb zero: 631.83 mb = 4015.84 m = 13175.17 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 65.47 % Est. max temperature: 28.37 C = 83.07 F Sfc-Lift cond lev (LCL): 871.53 mb = 1329.40 m = 4361.50 ft T: 17.88 C 700-500 lapse rate: 5.89 C/km ThetaE index: 8.67 C Layer 701.0- 565.0 mb Conv cond level (CCL): 695.66 mb = 3230.73 m = 10599.39 ft Mean mixing ratio: 9.80 g/kg Conv temperature: 31.03 C = 87.86 F Cap Strength: 4.57 C Lifted Index: 2.62 C Risk: None Lifted Index @300 mb: 4.93 C Lifted Index @700 mb: 3.28 C Showalter Index: 4.02 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 322.10 Risk: Showers and thunderstorms possible Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.18 J/kg Max Up Vert Vel: 6.66 m/s Conv Inhibition (B-): 15512.18 J/kg Cap Strength: 4.54 C Lift Cond Lev (LCL): 786.92 mb = 2199.11 m = 7214.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 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 ---------------------------------------------------------- 0 915 908 170 7 -1.2 6.9 | 140 18 -11.7 13.9 1 914 914 195 10 2.6 9.7 | 155 18 -7.9 16.6 2 852 1524 190 21 3.6 20.7 | 166 28 -6.8 27.7 3 850 1546 190 20 3.5 19.7 | 165 28 -7.0 26.7 4 822 1829 170 16 -2.8 15.8 | 150 26 -13.3 22.7 5 793 2134 245 7 6.3 3.0 | 157 11 -4.1 9.9 6 764 2438 240 7 6.1 3.5 | 157 11 -4.4 10.5 7 737 2743 255 2 1.9 0.5 | 131 11 -8.6 7.5 8 711 3048 225 10 7.1 7.1 | 166 14 -3.4 14.0 9 700 3180 265 11 11.0 1.0 | 183 8 0.5 7.9 10 685 3353 285 11 10.6 -2.8 | 182 4 0.1 4.1 11 660 3658 270 10 10.0 -0.0 | 176 7 -0.5 7.0 12 635 3962 290 15 14.1 -5.1 | 243 4 3.6 1.8 13 611 4267 280 12 11.8 -2.1 | 195 5 1.3 4.9 14 589 4572 270 14 14.0 -0.0 | 207 8 3.5 7.0 15 567 4877 295 16 14.5 -6.8 | 267 4 4.0 0.2 16 545 5182 280 26 25.6 -4.5 | 261 15 15.1 2.5 17 525 5486 295 24 21.8 -10.1 | 286 12 11.3 -3.2 18 500 5880 290 26 24.4 -8.9 | 278 14 13.9 -1.9 19 486 6096 290 26 24.4 -8.9 | 278 14 13.9 -1.9 20 431 7010 305 32 26.2 -18.4 | 306 19 15.7 -11.4 21 400 7580 240 34 29.4 17.0 | 218 31 19.0 24.0 22 398 7620 245 27 24.5 11.4 | 217 23 14.0 18.4 23 366 8230 245 37 33.5 15.6 | 226 32 23.0 22.6 24 300 9660 250 28 26.3 9.6 | 224 23 15.8 16.6 25 296 9754 250 28 26.3 9.6 | 224 23 15.8 16.6 26 250 10910 240 44 38.1 22.0 | 224 40 27.6 29.0 27 248 10973 235 44 36.0 25.2 | 218 41 25.6 32.2 28 200 12360 260 63 62.0 10.9 | 251 55 51.6 17.9 29 180 13022 265 82 81.7 7.1 | 259 73 71.2 14.1 30 178 13106 265 82 81.7 7.1 | 259 73 71.2 14.1 31 150 14140 235 55 45.1 31.5 | 222 52 34.6 38.5 32 145 14326 240 66 57.2 33.0 | 229 61 46.7 40.0 33 138 14630 230 33 25.3 21.2 | 208 32 14.8 28.2 34 125 15240 225 22 15.6 15.6 | 193 23 5.1 22.5 35 120 15464 235 9 7.4 5.2 | 166 13 -3.1 12.1 36 118 15545 245 10 9.1 4.2 | 173 11 -1.4 11.2 37 112 15850 205 10 4.2 9.1 | 159 17 -6.3 16.0 38 107 16154 225 20 14.1 14.1 | 190 21 3.7 21.1 39 100 16530 210 15 7.5 13.0 | 171 20 -3.0 20.0 40 96 16764 210 15 7.5 13.0 | 171 20 -3.0 20.0 41 91 17069 275 10 10.0 -0.9 | 175 6 -0.5 6.1 42 87 17374 285 15 14.5 -3.9 | 232 5 4.0 3.1 43 82 17678 270 14 14.0 -0.0 | 207 8 3.5 7.0 44 78 17983 210 11 5.5 9.5 | 163 17 -5.0 16.5 45 74 18288 310 27 20.7 -17.4 | 316 15 10.2 -10.4 46 70 18593 280 26 25.6 -4.5 | 261 15 15.1 2.5 47 70 18620 250 18 16.9 6.2 | 206 15 6.4 13.1 48 67 18898 240 16 13.9 8.0 | 193 15 3.4 15.0 49 64 19202 240 20 17.3 10.0 | 202 18 6.8 17.0 50 61 19507 175 16 -1.4 15.9 | 153 26 -11.9 22.9 51 55 20117 125 12 -9.8 6.9 | 124 25 -20.3 13.9 52 52 20422 80 10 -9.8 -1.7 | 104 21 -20.3 5.2 53 50 20680 170 6 -1.0 5.9 | 138 17 -11.5 12.9 54 50 20726 140 3 -1.9 2.3 | 127 15 -12.4 9.3 55 43 21336 190 10 1.7 9.8 | 153 19 -8.7 16.8 56 41 21641 155 13 -5.5 11.8 | 140 25 -16.0 18.8 Wind Parameters Mean winds (0-6000m): 273.6 at 16.8 knts Storm direction: 303.6 at 12.6 knts Shear (0-3000m) pos: 3.0 neg: 1.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 85.7 deg Storm rel helicity (0-3000m) pos: 116.0 neg: -70.7 tot: 45.3 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 55.03 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 ------------------------------------------------------------------------------- 500 192 14 161 22| 13.0 0.0 13.0| 46.5 0.0 46.5 93.1 0.66| 13.7 9.0 1000 187 16 160 25| 6.5 2.7 9.2| 69.7 -51.7 18.0 18.0 0.18| 14.4 2.7 1500 193 14 160 22| 3.0 1.8 4.8| 80.0 -56.9 23.1 15.4 0.14| 13.8 1.9 2000 198 11 159 19| 2.3 1.4 3.7| 91.2 -69.8 21.4 10.7 0.10| 12.5 1.3 2500 208 11 162 18| 3.0 1.2 4.1|109.8 -70.1 39.7 15.9 0.18| 12.7 2.2 3000 220 11 168 16| 3.0 1.0 4.0|116.0 -70.7 45.3 15.1 0.22| 11.8 2.6 4000 242 12 180 13| 2.9 0.5 3.4|126.9 -74.0 52.9 13.2 0.24| 10.5 2.5 5000 261 14 202 10| 2.3 0.8 3.1|145.2 -82.3 62.9 12.6 0.22| 10.4 2.3 6000 274 17 227 9| 2.5 0.7 3.1|176.0 -82.3 93.8 15.6 0.27| 9.4 2.5 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251017.00.gif