UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 3 DEC 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 90 1 925 773 SFC 911 908 20.8 16.4 76 4.4 17.8 20 6 301.9 304.3 294.4 340.2 12.99 3 874 1263 16.8 13.8 82 3.0 14.8 350 7 301.3 303.4 293.0 335.0 11.42 4 866 1341 17.2 10.2 63 7.0 12.9 343 7 302.5 304.2 291.6 329.5 9.06 5 850 1499 15.8 14.4 91 1.4 14.9 330 7 302.7 305.0 294.0 338.9 12.23 6 846 1539 15.6 14.7 94 0.9 15.0 326 7 302.9 305.2 294.3 340.0 12.53 7 831 1691 15.2 13.6 90 1.6 14.1 312 8 304.0 306.2 294.1 339.4 11.87 8 760 2445 11.4 5.4 67 6.0 7.9 290 11 307.8 309.2 291.8 330.4 7.42 9 741 2657 9.8 2.8 62 7.0 5.9 288 13 308.3 309.5 291.0 327.7 6.33 10 710 3011 7.0 4.0 81 3.0 5.3 285 16 309.0 310.3 292.0 331.1 7.20 11 700 3128 6.4 1.7 72 4.7 3.8 275 16 309.6 310.7 291.3 328.7 6.19 12 699 3140 6.2 1.3 71 4.9 3.5 275 16 309.5 310.6 291.2 328.1 6.02 13 695 3187 6.4 -6.6 39 13.0 0.4 273 16 310.2 310.8 289.0 320.8 3.35 14 685 3305 5.2 0.5 72 4.7 2.7 270 16 310.2 311.3 291.2 328.1 5.80 15 655 3669 2.2 -2.7 70 4.9 -0.2 260 16 310.8 311.7 290.5 325.8 4.79 16 642 3831 2.4 -28.6 8 31.0 -6.1 248 18 312.8 312.9 287.0 314.7 0.56 17 500 5810 -9.1 -47.1 3 38.0 -15.1 255 29 321.9 322.0 289.5 322.4 0.11 18 422 7101 -17.1 -47.1 5 30.0 -21.2 252 37 327.7 327.7 291.2 328.2 0.13 19 400 7500 -19.3 -44.3 9 25.0 -22.8 285 41 329.9 329.9 291.9 330.6 0.19 20 373 8016 -21.7 -38.7 20 17.0 -24.4 274 41 333.4 333.5 293.0 334.8 0.36 21 309 9379 -28.7 -65.7 2 37.0 -31.1 260 74 342.0 342.0 294.8 342.1 0.02 22 303 9519 -29.3 -60.3 3 31.0 -31.6 260 79 343.1 343.1 295.1 343.3 0.04 23 300 9590 -29.7 -58.7 4 29.0 -31.9 260 82 343.5 343.5 295.2 343.7 0.05 24 265 10461 -37.7 -51.7 22 14.0 -38.7 264 86 344.2 344.3 295.4 344.7 0.12 25 250 10860 -41.7 -48.7 47 7.0 -42.2 265 87 344.1 344.1 295.5 344.8 0.18 26 240 11135 -44.3 -48.7 61 4.4 -44.6 267 88 344.2 344.2 295.5 345.0 0.19 27 230 11419 -46.3 -48.6 77 2.3 -46.4 269 89 345.4 345.4 295.8 346.2 0.20 28 201 12298 -53.9 -56.6 72 2.7 -54.0 271 93 346.9 346.9 296.0 347.3 0.09 29 200 12330 -54.1 -56.9 71 2.8 -54.2 270 93 347.1 347.1 296.1 347.5 0.09 30 198 12394 -54.1 -63.1 32 9.0 -54.3 269 94 348.1 348.1 296.3 348.3 0.04 31 194 12525 -54.9 -65.9 24 11.0 -55.1 266 96 348.9 348.9 296.4 349.0 0.03 32 184 12861 -57.0 -69.0 20 12.0 -57.2 260 100 350.8 350.8 296.8 350.9 0.02 33 150 14130 -64.9 -80.9 9 16.0 -65.0 265 70 358.3 358.3 298.4 358.3 0.00 34 147 14253 -65.3 -81.3 9 16.0 -65.4 267 69 359.7 359.7 298.7 359.7 0.00 35 137 14682 -64.5 -84.5 5 20.0 -64.6 274 65 368.4 368.4 300.3 368.4 0.00 36 100 16550 -76.1 -90.1 9 14.0 -76.2 245 52 380.7 380.7 302.3 380.7 0.00 37 93 16970 -73.1 -89.1 7 16.0 -73.2 238 34 394.6 394.6 304.5 394.6 0.00 38 83 17629 -76.3 -89.3 11 13.0 -76.3 240 22 401.1 401.1 305.3 401.1 0.00 39 73 18375 -72.5 -87.5 9 15.0 -72.6 264 18 424.2 424.2 308.2 424.2 0.00 40 70 18620 -73.3 -88.3 8 15.0 -73.3 290 14 427.6 427.6 308.6 427.6 0.00 41 65 19053 -75.7 -89.7 9 14.0 -75.7 286 18 431.5 431.5 309.0 431.5 0.00 42 50 20610 -66.9 -89.9 3 23.0 -67.1 115 10 485.8 485.8 313.9 485.8 0.00 43 48 20857 -65.1 -89.1 2 24.0 -65.4 115 10 495.8 495.8 314.7 495.8 0.00 44 30 23780 -55.9 -85.9 1 30.0 -57.3 90 30 592.2 592.3 320.3 592.3 0.01 45 28 24217 -57.7 -86.7 1 29.0 -59.0 79 26 599.0 599.0 320.6 599.1 0.01 46 20 26360 -53.7 -84.7 1 31.0 -56.2 75 24 671.8 671.8 323.5 671.9 0.02 47 19 26690 -52.7 -84.7 1 32.0 -55.5 77 24 684.8 684.8 323.9 685.0 0.02 TRP 100 16550 -76.1 -90.1 9 14.0 -76.2 245 52 380.7 380.7 302.3 380.7 0.00 WND 184 12861 -57.0 -69.0 20 12.0 -57.2 260 100 350.8 350.8 296.8 350.9 0.02 Sounding variables and indices 1000-500 mb thick: 5720.00 m Freezing level: 612.37 mb = 4244.24 m = 13924.52 ft Wetbulb zero: 657.20 mb = 3642.05 m = 11948.85 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 44.63 % Est. max temperature: 26.48 C = 79.67 F Sfc-Lift cond lev (LCL): 853.82 mb = 1460.93 m = 4793.02 ft T: 16.14 C 700-500 lapse rate: 5.78 C/km ThetaE index: 12.32 C Layer 831.0- 710.0 mb Conv cond level (CCL): 773.59 mb = 2295.52 m = 7531.13 ft Mean mixing ratio: 11.59 g/kg Conv temperature: 25.82 C = 78.47 F Cap Strength: 1.64 C Lifted Index: -1.09 C Risk: Thunderstorms probable Lifted Index @300 mb: 6.14 C Lifted Index @700 mb: -0.36 C Showalter Index: -1.85 C Risk: Thunderstorms probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 23.50 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 215.80 Risk: None Energy Index: -3.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 167.55 J/kg Max Up Vert Vel: 18.31 m/s Conv Inhibition (B-): 52.56 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 822.07 mb = 1782.48 m = 5847.95 ft Lev Free Conv (LFC): 717.07 mb = 2928.92 m = 9609.21 ft Equ Level (EL): 397.07 mb = 7554.22 m = 24783.90 ft B at Equ Level: 166.30 J/kg Max Parcel Lev (MPL): 317.07 mb = 9192.47 m = 30158.65 ft Wind level data Storm motion: 287 at 15 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 ---------------------------------------------------------- 0 911 908 20 6 -2.1 -5.6 | 86 17 -16.5 -1.2 1 850 1499 330 7 3.5 -6.1 | 81 11 -10.9 -1.6 2 788 2134 270 9 9.0 -0.0 | 129 7 -5.4 4.4 3 760 2438 290 11 10.3 -3.8 | 99 4 -4.1 0.7 4 707 3048 285 16 15.5 -4.1 | 255 1 1.0 0.3 5 700 3128 275 16 15.9 -1.4 | 207 3 1.5 3.0 6 655 3658 260 16 15.8 2.8 | 191 7 1.4 7.2 7 607 4267 215 24 13.8 19.7 | 178 24 -0.6 24.1 8 562 4877 245 27 24.5 11.4 | 212 19 10.1 15.8 9 521 5486 245 31 28.1 13.1 | 218 22 13.7 17.5 10 500 5810 255 29 28.0 7.5 | 229 18 13.6 11.9 11 481 6096 265 26 25.9 2.3 | 240 13 11.5 6.7 12 444 6706 265 35 34.9 3.1 | 250 22 20.5 7.5 13 427 7010 245 36 32.6 15.2 | 223 27 18.2 19.6 14 400 7500 285 41 39.6 -10.6 | 284 26 25.2 -6.2 15 393 7620 290 40 37.6 -13.7 | 292 25 23.2 -9.3 16 362 8230 265 42 41.8 3.7 | 254 29 27.4 8.1 17 347 8534 260 41 40.4 7.1 | 246 28 26.0 11.5 18 300 9590 260 82 80.8 14.2 | 254 69 66.3 18.7 19 293 9754 260 82 80.8 14.2 | 254 69 66.3 18.7 20 257 10668 265 87 86.7 7.6 | 261 73 72.3 12.0 21 250 10860 265 87 86.7 7.6 | 261 73 72.3 12.0 22 204 12192 275 91 90.7 -7.9 | 273 76 76.2 -3.5 23 200 12330 270 93 93.0 -0.0 | 267 79 78.6 4.4 24 184 12861 260 100 98.5 17.4 | 255 87 84.1 21.8 25 177 13106 260 100 98.5 17.4 | 255 87 84.1 21.8 26 160 13716 250 87 81.8 29.8 | 243 76 67.3 34.2 27 150 14130 265 70 69.7 6.1 | 259 56 55.3 10.5 28 138 14630 275 66 65.7 -5.8 | 271 51 51.3 -1.3 29 118 15545 250 38 35.7 13.0 | 231 28 21.3 17.4 30 100 16550 245 52 47.1 22.0 | 231 42 32.7 26.4 31 96 16764 245 52 47.1 22.0 | 231 42 32.7 26.4 32 91 17069 235 25 20.5 14.3 | 198 20 6.1 18.8 33 82 17678 240 22 19.1 11.0 | 197 16 4.6 15.4 34 78 17983 270 14 14.0 -0.0 | 175 4 -0.4 4.4 35 74 18288 265 19 18.9 1.7 | 217 8 4.5 6.1 36 70 18593 260 17 16.7 3.0 | 198 8 2.3 7.4 37 70 18620 290 14 13.2 -4.8 | 74 1 -1.2 -0.4 38 63 19202 285 19 18.4 -4.9 | 277 4 3.9 -0.5 39 60 19507 275 18 17.9 -1.6 | 231 5 3.5 2.8 40 57 19812 0 0 -0.0 -0.0 | 107 15 -14.4 4.4 41 54 20117 105 10 -9.7 2.6 | 106 25 -24.1 7.0 42 50 20610 115 10 -9.1 4.2 | 110 25 -23.5 8.6 43 47 21031 115 10 -9.1 4.2 | 110 25 -23.5 8.6 44 44 21336 75 20 -19.3 -5.2 | 89 34 -33.7 -0.8 45 42 21641 90 13 -13.0 0.0 | 99 28 -27.4 4.4 46 40 21946 60 21 -18.2 -10.5 | 79 33 -32.6 -6.1 47 37 22555 75 14 -13.5 -3.6 | 92 28 -27.9 0.8 48 35 22860 105 16 -15.5 4.1 | 106 31 -29.9 8.6 49 33 23165 110 20 -18.8 6.8 | 109 35 -33.2 11.3 50 32 23470 85 24 -23.9 -2.1 | 93 38 -38.3 2.3 51 30 23774 100 31 -30.5 5.4 | 102 46 -44.9 9.8 52 30 23780 90 30 -30.0 0.0 | 96 45 -44.4 4.4 53 27 24384 75 25 -24.1 -6.5 | 87 39 -38.6 -2.1 54 24 25298 90 17 -17.0 0.0 | 98 32 -31.4 4.4 55 23 25603 70 18 -16.9 -6.2 | 87 31 -31.3 -1.7 56 21 25908 85 25 -24.9 -2.2 | 93 39 -39.3 2.2 57 20 26213 65 21 -19.0 -8.9 | 82 34 -33.4 -4.5 58 20 26360 75 24 -23.2 -6.2 | 87 38 -37.6 -1.8 59 18 26822 80 25 -24.6 -4.3 | 90 39 -39.0 0.1 Wind Parameters Mean winds (0-6000m): 257.1 at 20.1 knts Storm direction: 287.1 at 15.1 knts Shear (0-3000m) pos: 0.0 neg: 4.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 104.8 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -11.6 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 0.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.58 Bulk Shear: 64.85 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 ------------------------------------------------------------------------------- 500 357 6 82 14| 0.0 4.8 4.8| 0.0 -5.3 -5.3 -10.5 -0.27| 5.0 -1.3 1000 333 7 81 11| 0.0 5.2 5.2| 6.5 -5.3 1.3 1.3 0.15| 5.7 0.9 1500 309 8 86 8| 0.0 4.3 4.3| 11.5 -7.8 3.8 2.5 0.15| 5.9 0.9 2000 301 9 88 7| 0.0 4.2 4.2| 11.7 -8.1 3.6 1.8 0.14| 5.6 0.8 2500 292 10 96 5| 0.0 3.9 3.9| 11.8 -9.6 2.2 0.9 0.06| 5.7 0.4 3000 283 12 121 4| 0.0 4.1 4.1| 12.0 -11.6 0.3 0.1 0.03| 6.2 0.2 4000 259 15 181 7| 1.4 3.9 5.3| 78.7 -28.1 50.6 12.7 0.16| 7.7 1.2 5000 255 18 197 10| 1.7 3.4 5.1|113.8 -28.1 85.7 17.1 0.23| 7.3 1.7 6000 257 20 210 10| 1.7 3.6 5.4|134.5 -74.1 60.3 10.1 0.15| 7.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251203.12.gif