UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 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 102 1 925 789 SFC 912 908 19.8 16.3 80 3.5 17.4 70 4 300.8 303.1 294.0 338.6 12.89 3 883 1187 17.4 14.7 84 2.7 15.6 56 6 301.1 303.3 293.4 336.4 11.99 4 871 1306 19.8 10.8 56 9.0 14.1 50 7 304.8 306.5 292.5 332.9 9.38 5 861 1406 19.6 9.6 52 10.0 13.4 45 7 305.6 307.2 292.2 331.9 8.75 6 850 1517 18.6 9.6 56 9.0 13.0 40 8 305.6 307.3 292.3 332.3 8.86 7 835 1670 17.6 9.6 59 8.0 12.6 340 9 306.1 307.8 292.6 333.4 9.02 8 825 1773 18.6 7.6 49 11.0 11.9 299 10 308.3 309.7 292.4 332.5 7.96 9 822 1804 18.4 7.4 49 11.0 11.7 286 10 308.4 309.8 292.4 332.4 7.88 10 704 3112 9.2 3.2 66 6.0 5.8 276 27 312.2 313.5 292.7 333.5 6.86 11 700 3159 9.0 3.0 66 6.0 5.6 275 28 312.5 313.7 292.7 333.6 6.80 12 667 3558 7.4 0.4 61 7.0 3.6 276 25 315.0 316.1 292.7 333.7 5.91 13 540 5253 -6.3 -6.8 96 0.5 -6.5 254 28 318.3 319.1 292.3 332.1 4.26 14 536 5311 -4.5 -14.5 46 10.0 -8.3 253 28 321.1 321.6 291.4 328.9 2.32 15 528 5430 -3.7 -17.7 33 14.0 -8.7 251 27 323.4 323.8 291.6 329.6 1.80 16 520 5551 -3.3 -34.3 7 31.0 -10.8 254 23 325.3 325.4 290.8 326.8 0.40 17 508 5735 -4.5 -33.5 8 29.0 -11.5 266 14 326.1 326.2 291.0 327.7 0.45 18 504 5797 -5.1 -20.1 30 15.0 -10.2 269 11 326.1 326.4 292.1 331.4 1.54 19 500 5860 -5.5 -27.5 16 22.0 -11.6 260 9 326.3 326.5 291.5 329.2 0.80 20 498 5892 -5.5 -37.5 6 32.0 -12.5 260 9 326.7 326.8 291.1 327.9 0.31 21 487 6067 -6.9 -23.9 24 17.0 -12.1 260 7 327.1 327.3 292.0 331.1 1.14 22 474 6278 -8.5 -42.5 5 34.0 -14.8 261 5 327.6 327.7 291.3 328.4 0.19 23 403 7514 -18.7 -23.1 68 4.4 -19.9 248 14 330.0 330.3 293.1 335.2 1.48 24 400 7570 -19.1 -25.1 59 6.0 -20.6 240 15 330.2 330.4 293.0 334.6 1.24 25 394 7682 -19.5 -30.5 37 11.0 -21.8 236 18 331.1 331.2 292.7 333.9 0.77 26 389 7776 -20.3 -26.3 59 6.0 -21.8 237 20 331.2 331.5 293.2 335.4 1.15 27 350 8549 -23.9 -53.9 5 30.0 -26.9 253 29 336.5 336.6 293.5 336.8 0.07 28 300 9650 -32.9 -50.9 15 18.0 -34.4 270 29 339.0 339.0 294.2 339.5 0.12 29 287 9961 -35.5 -54.5 13 19.0 -36.8 274 29 339.6 339.6 294.3 339.9 0.08 30 280 10133 -36.7 -45.7 39 9.0 -37.5 273 29 340.3 340.3 294.6 341.2 0.23 31 262 10591 -40.3 -47.3 47 7.0 -40.8 258 32 341.5 341.6 294.9 342.4 0.20 32 258 10696 -41.5 -46.5 58 5.0 -41.9 254 32 341.3 341.3 294.8 342.2 0.23 33 250 10910 -43.3 -49.3 52 6.0 -43.7 250 36 341.7 341.7 294.9 342.4 0.17 34 230 11466 -48.5 -52.5 63 4.0 -48.7 238 43 342.0 342.0 294.9 342.5 0.13 35 203 12275 -55.7 -60.6 54 4.9 -55.8 235 64 343.1 343.1 295.1 343.3 0.05 36 200 12370 -56.5 -62.5 47 6.0 -56.6 235 67 343.3 343.3 295.1 343.5 0.04 37 194 12562 -57.8 -68.6 24 10.8 -57.9 235 69 344.2 344.2 295.3 344.3 0.02 38 189 12725 -58.9 -73.9 13 15.0 -59.0 235 69 345.0 345.0 295.5 345.1 0.01 39 185 12858 -59.5 -68.5 30 9.0 -59.6 237 69 346.2 346.2 295.8 346.3 0.02 40 184 12892 -59.5 -67.5 35 8.0 -59.6 238 69 346.7 346.7 295.9 346.8 0.02 41 175 13204 -60.5 -71.5 22 11.0 -60.6 248 68 350.1 350.1 296.7 350.1 0.01 42 164 13602 -64.3 -71.3 38 7.0 -64.4 254 68 350.3 350.3 296.7 350.3 0.02 43 155 13944 -67.1 -78.1 20 11.0 -67.2 251 69 351.2 351.2 296.9 351.2 0.01 44 150 14140 -68.3 -77.3 26 9.0 -68.4 240 66 352.4 352.4 297.1 352.5 0.01 45 127 15130 -72.9 -81.9 24 9.0 -72.9 220 44 361.3 361.3 299.0 361.3 0.00 46 125 15224 -70.3 -82.3 16 12.0 -70.4 220 39 367.7 367.7 300.1 367.7 0.00 47 104 16303 -76.1 -85.1 23 9.0 -76.2 255 17 376.4 376.4 301.6 376.5 0.00 48 100 16530 -75.5 -83.5 27 8.0 -75.5 255 24 381.9 381.9 302.5 381.9 0.00 49 96 16765 -76.7 -83.7 32 7.0 -76.7 255 24 384.0 384.0 302.9 384.0 0.00 50 85 17469 -74.9 -87.9 12 13.0 -74.9 229 21 401.2 401.2 305.4 401.2 0.00 51 80 17825 -69.9 -87.9 6 18.0 -70.0 226 19 418.5 418.6 307.6 418.6 0.00 52 75 18207 -71.9 -88.9 6 17.0 -72.0 240 17 422.2 422.2 308.0 422.2 0.00 53 70 18620 -65.5 -89.5 2 24.0 -65.7 345 6 444.3 444.3 310.3 444.3 0.00 54 66 18979 -63.5 -88.5 2 25.0 -63.8 307 5 456.1 456.1 311.4 456.2 0.00 55 53 20316 -66.3 -89.3 3 23.0 -66.5 255 12 479.2 479.2 313.4 479.2 0.00 56 50 20670 -64.5 -89.5 2 25.0 -64.8 200 11 491.5 491.5 314.3 491.5 0.00 57 37 22532 -59.3 -87.3 1 28.0 -60.1 151 15 549.0 549.0 318.1 549.1 0.01 58 35 22879 -61.1 -88.1 2 27.0 -61.8 157 10 553.1 553.1 318.3 553.2 0.00 59 32 23441 -56.3 -87.3 1 31.0 -57.6 6 0 580.3 580.3 319.7 580.4 0.01 60 30 23850 -57.3 -87.3 1 30.0 -58.5 80 20 588.4 588.4 320.0 588.5 0.01 61 27 24513 -58.7 -87.7 1 29.0 -59.9 102 21 602.5 602.5 320.7 602.5 0.01 62 20 26420 -53.1 -85.1 1 32.0 -55.8 75 19 673.6 673.6 323.6 673.7 0.01 63 19 26751 -52.5 -84.5 1 32.0 -55.4 88 17 685.5 685.5 324.0 685.6 0.02 TRP 104 16303 -76.1 -85.1 23 9.0 -76.2 255 17 376.4 376.4 301.6 376.5 0.00 WND 194 12562 -57.8 -68.6 24 10.8 -57.9 235 69 344.2 344.2 295.3 344.3 0.02 Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 598.40 mb = 4473.40 m = 14676.31 ft Wetbulb zero: 621.97 mb = 4118.62 m = 13512.37 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 62.68 % Est. max temperature: 29.04 C = 84.27 F Sfc-Lift cond lev (LCL): 866.12 mb = 1354.29 m = 4443.16 ft T: 19.70 C 700-500 lapse rate: 5.37 C/km ThetaE index: 6.72 C Layer 883.0- 850.0 mb Conv cond level (CCL): 676.54 mb = 3440.35 m = 11287.09 ft Mean mixing ratio: 9.92 g/kg Conv temperature: 32.93 C = 91.28 F Cap Strength: 4.95 C Lifted Index: 3.80 C Risk: None Lifted Index @300 mb: 4.70 C Lifted Index @700 mb: 3.18 C Showalter Index: 4.65 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 15.10 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 140.20 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.55 J/kg Max Up Vert Vel: 9.12 m/s Conv Inhibition (B-): 349.13 J/kg Cap Strength: 4.95 C Lift Cond Lev (LCL): 774.05 mb = 2311.21 m = 7582.62 ft Lev Free Conv (LFC): 559.05 mb = 4974.77 m = 16321.22 ft Equ Level (EL): 539.05 mb = 5266.90 m = 17279.66 ft B at Equ Level: 38.14 J/kg Max Parcel Lev (MPL): 509.05 mb = 5718.87 m = 18762.48 ft Wind level data Storm motion: 302 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 ---------------------------------------------------------- 0 912 908 70 4 -3.8 -1.4 | 111 16 -15.1 5.7 1 850 1517 40 8 -5.1 -6.1 | 93 16 -16.4 0.9 2 819 1829 275 10 10.0 -0.9 | 168 6 -1.3 6.2 3 790 2134 270 13 13.0 -0.0 | 194 7 1.7 7.1 4 762 2438 280 21 20.7 -3.6 | 250 10 9.4 3.4 5 735 2743 285 23 22.2 -6.0 | 264 11 10.9 1.1 6 700 3159 275 28 27.9 -2.4 | 254 17 16.6 4.6 7 683 3353 275 25 24.9 -2.2 | 250 14 13.6 4.9 8 610 4267 280 25 24.6 -4.3 | 258 14 13.3 2.7 9 565 4877 260 32 31.5 5.6 | 238 24 20.2 12.6 10 524 5486 250 26 24.4 8.9 | 219 21 13.1 16.0 11 504 5791 270 11 11.0 -0.0 | 178 7 -0.3 7.1 12 500 5860 260 9 8.9 1.6 | 164 9 -2.4 8.6 13 485 6096 260 7 6.9 1.2 | 152 9 -4.4 8.3 14 448 6706 265 1 1.0 0.1 | 125 13 -10.3 7.1 15 414 7315 275 10 10.0 -0.9 | 168 6 -1.3 6.2 16 400 7570 240 15 13.0 7.5 | 187 15 1.7 14.6 17 397 7620 235 17 13.9 9.8 | 189 17 2.6 16.8 18 365 8230 245 28 25.4 11.8 | 217 24 14.1 18.9 19 322 9144 270 32 32.0 -0.0 | 251 22 20.7 7.1 20 300 9650 270 29 29.0 -0.0 | 248 19 17.7 7.1 21 283 10058 275 29 28.9 -2.5 | 256 18 17.6 4.5 22 259 10668 255 32 30.9 8.3 | 232 25 19.6 15.3 23 250 10910 250 36 33.8 12.3 | 229 30 22.5 19.4 24 248 10973 250 32 30.1 10.9 | 226 26 18.8 18.0 25 226 11582 235 46 37.7 26.4 | 218 43 26.4 33.4 26 200 12370 235 67 54.9 38.4 | 224 63 43.6 45.5 27 194 12562 235 69 56.5 39.6 | 224 65 45.2 46.6 28 187 12802 235 69 56.5 39.6 | 224 65 45.2 46.6 29 169 13411 255 67 64.7 17.3 | 245 59 53.4 24.4 30 153 14021 250 69 64.8 23.6 | 240 62 53.5 30.7 31 150 14140 240 66 57.2 33.0 | 229 61 45.9 40.1 32 138 14630 235 64 52.4 36.7 | 223 60 41.1 43.8 33 131 14935 220 53 34.1 40.6 | 206 53 22.8 47.7 34 118 15545 220 23 14.8 17.6 | 188 25 3.5 24.7 35 112 15850 265 12 12.0 1.0 | 185 8 0.7 8.1 36 107 16154 285 22 21.3 -5.7 | 262 10 9.9 1.4 37 104 16303 255 17 16.4 4.4 | 204 13 5.1 11.5 38 101 16459 250 18 16.9 6.2 | 203 14 5.6 13.2 39 100 16530 255 24 23.2 6.2 | 222 18 11.9 13.3 40 96 16764 255 24 23.2 6.2 | 222 18 11.9 13.3 41 91 17069 260 30 29.5 5.2 | 236 22 18.2 12.3 42 87 17374 230 22 16.9 14.1 | 195 22 5.5 21.2 43 78 17983 225 18 12.7 12.7 | 184 20 1.4 19.8 44 74 18288 245 17 15.4 7.2 | 196 15 4.1 14.2 45 70 18593 190 12 2.1 11.8 | 154 21 -9.2 18.9 46 70 18620 345 6 1.6 -5.8 | 97 10 -9.8 1.3 47 67 18898 290 3 2.8 -1.0 | 125 10 -8.5 6.0 48 64 19202 355 10 0.9 -10.0 | 74 11 -10.4 -2.9 49 58 19812 320 14 9.0 -10.7 | 32 4 -2.3 -3.7 50 55 20117 285 13 12.6 -3.4 | 199 4 1.3 3.7 51 50 20670 200 11 3.8 10.3 | 157 19 -7.5 17.4 52 50 20726 220 20 12.9 15.3 | 184 22 1.6 22.4 53 43 21641 170 2 -0.3 2.0 | 128 15 -11.7 9.0 54 39 22250 165 10 -2.6 9.7 | 140 22 -13.9 16.7 55 37 22555 150 15 -7.5 13.0 | 137 27 -18.8 20.1 56 35 22860 165 10 -2.6 9.7 | 140 22 -13.9 16.7 57 32 23470 0 0 -0.0 -0.0 | 122 13 -11.3 7.1 58 30 23774 110 16 -15.0 5.5 | 115 29 -26.3 12.5 59 30 23850 80 20 -19.7 -3.5 | 97 31 -31.0 3.6 60 29 24079 80 20 -19.7 -3.5 | 97 31 -31.0 3.6 61 26 24689 110 21 -19.7 7.2 | 115 34 -31.0 14.2 62 25 24994 75 26 -25.1 -6.7 | 91 36 -36.4 0.3 63 22 25908 70 29 -27.3 -9.9 | 86 39 -38.6 -2.9 64 20 26420 75 19 -18.4 -4.9 | 94 30 -29.7 2.1 65 19 26518 90 17 -17.0 0.0 | 104 29 -28.3 7.1 66 16 27127 75 17 -16.4 -4.4 | 95 28 -27.7 2.7 Wind Parameters Mean winds (0-6000m): 272.0 at 17.8 knts Storm direction: 302.0 at 13.3 knts Shear (0-3000m) pos: 2.5 neg: 2.6 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 144.4 deg Storm rel helicity (0-3000m) pos: 42.0 neg: -43.6 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.63 Bulk Shear: 66.32 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 52 6 103 16| 0.0 4.1 4.1| 0.0 -17.6 -17.6 -35.2 -0.98| 4.2 -4.1 1000 18 7 90 14| 0.0 7.5 7.5| 10.9 -31.3 -20.4 -20.4 0.06| 13.1 0.8 1500 302 10 121 4| 3.3 5.0 8.2| 29.8 -31.3 -1.6 -1.1 0.31| 12.2 3.7 2000 290 13 198 3| 3.7 3.7 7.4| 37.9 -33.1 4.7 2.4 0.32| 10.7 3.4 2500 284 16 231 5| 3.0 3.1 6.1| 37.9 -43.6 -5.7 -2.3 0.23| 9.8 2.2 3000 282 17 239 7| 2.5 2.6 5.1| 42.0 -43.6 -1.6 -0.5 0.24| 8.4 2.0 4000 278 20 243 9| 1.9 3.2 5.0| 44.4 -78.2 -33.8 -8.4 0.09| 7.9 0.7 5000 273 21 237 11| 1.3 2.2 3.6| 44.4-142.1 -97.8 -19.6 -0.12| 9.0 -1.1 6000 272 18 225 9| 1.4 1.9 3.2| 50.1-159.8-109.7 -18.3 -0.16| 8.4 -1.3 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251017.12.gif