UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 31 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 93 1 925 784 SFC 912 908 21.0 20.7 98 0.3 20.8 50 4 302.0 305.1 297.1 352.5 17.09 3 864 1377 21.0 16.8 77 4.2 18.1 287 7 306.7 309.3 296.4 349.0 14.07 4 850 1518 20.0 17.4 85 2.6 18.2 250 8 307.1 309.9 297.0 351.9 14.87 5 814 1891 17.6 16.0 90 1.6 16.5 262 9 308.4 311.0 296.9 351.4 14.19 6 735 2759 11.8 10.7 93 1.1 11.1 254 10 311.2 313.3 295.6 345.1 11.07 7 710 3049 10.6 6.6 76 4.0 8.2 247 9 313.0 314.6 294.3 339.8 8.65 8 700 3168 9.8 6.7 81 3.1 7.9 245 9 313.3 315.0 294.5 340.8 8.83 9 514 5672 -3.7 -4.3 96 0.6 -4.0 246 17 325.9 327.0 295.3 343.8 5.42 10 505 5812 -4.3 -7.6 78 3.3 -5.8 248 18 326.9 327.7 294.6 341.2 4.28 11 500 5890 -4.9 -5.6 95 0.7 -5.3 260 17 327.1 328.1 295.3 343.8 5.05 12 499 5906 -4.9 -5.4 96 0.5 -5.1 260 17 327.3 328.3 295.4 344.3 5.13 13 471 6360 -7.7 -7.7 100 0.0 -7.7 254 16 329.2 330.1 295.4 344.5 4.56 14 460 6544 -8.1 -9.8 88 1.7 -8.9 249 15 331.0 331.8 295.4 344.4 3.95 15 427 7121 -11.9 -15.0 78 3.1 -13.1 285 10 333.2 333.8 295.0 343.0 2.79 16 403 7563 -14.9 -15.6 94 0.7 -15.2 257 12 334.9 335.5 295.4 344.8 2.82 17 402 7582 -14.1 -16.6 81 2.5 -15.0 254 12 336.2 336.7 295.6 345.3 2.60 18 400 7620 -14.1 -17.0 79 2.9 -15.2 250 12 336.7 337.2 295.7 345.6 2.52 19 386 7889 -14.9 -19.9 66 5.0 -16.6 250 12 339.1 339.5 295.8 346.4 2.04 20 361 8391 -18.9 -25.9 54 7.0 -20.8 314 13 340.3 340.5 295.5 345.0 1.28 21 345 8726 -21.3 -27.3 58 6.0 -22.8 311 15 341.4 341.7 295.7 345.8 1.18 22 343 8768 -21.7 -24.7 77 3.0 -22.5 311 15 341.5 341.8 296.0 347.0 1.51 23 341 8811 -21.7 -28.7 53 7.0 -23.4 310 16 342.0 342.3 295.7 346.0 1.05 24 334 8963 -22.9 -29.9 53 7.0 -24.5 306 15 342.4 342.6 295.7 346.1 0.96 25 333 8985 -23.1 -32.1 44 9.0 -25.0 306 15 342.5 342.6 295.6 345.4 0.78 26 331 9029 -22.7 -46.7 9 24.0 -25.9 304 15 343.6 343.6 295.3 344.3 0.17 27 320 9276 -24.9 -49.9 8 25.0 -27.8 296 13 343.9 343.9 295.4 344.4 0.12 28 307 9575 -27.7 -38.7 34 11.0 -29.4 302 13 344.1 344.2 295.7 345.8 0.44 29 305 9622 -27.9 -29.9 83 2.0 -28.3 307 14 344.4 344.6 296.3 348.4 1.05 30 300 9740 -29.1 -31.1 83 2.0 -29.5 320 15 344.4 344.6 296.2 348.0 0.95 31 294 9884 -30.7 -31.4 94 0.7 -30.8 322 15 344.1 344.3 296.1 347.7 0.94 32 292 9933 -30.9 -32.2 88 1.3 -31.2 323 15 344.5 344.7 296.1 347.8 0.88 33 290 9982 -30.5 -37.5 50 7.0 -31.6 324 15 345.7 345.8 296.1 347.8 0.52 34 286 10080 -31.3 -35.9 64 4.6 -32.0 325 15 346.0 346.1 296.3 348.4 0.62 35 274 10383 -33.7 -53.7 12 20.0 -35.3 318 18 346.8 346.8 296.0 347.1 0.09 36 268 10538 -34.9 -55.9 10 21.0 -36.4 315 20 347.2 347.2 296.1 347.5 0.07 37 250 11020 -39.1 -54.1 19 15.0 -40.1 305 25 347.9 348.0 296.3 348.3 0.10 38 247 11103 -39.9 -56.9 15 17.0 -40.9 305 25 347.9 348.0 296.3 348.2 0.07 39 245 11158 -39.9 -47.9 42 8.0 -40.5 305 25 348.8 348.8 296.5 349.6 0.20 40 240 11299 -41.1 -62.1 9 21.0 -42.1 304 25 349.0 349.0 296.4 349.2 0.04 41 230 11587 -43.7 -55.7 25 12.0 -44.3 303 25 349.3 349.3 296.5 349.7 0.09 42 225 11734 -45.1 -49.7 60 4.6 -45.4 303 25 349.4 349.4 296.7 350.1 0.18 43 220 11884 -46.1 -64.1 11 18.0 -46.7 302 26 350.1 350.1 296.7 350.2 0.03 44 214 12067 -47.9 -51.8 64 3.9 -48.1 302 26 350.1 350.1 296.8 350.7 0.15 45 200 12510 -51.7 -58.7 43 7.0 -52.0 300 26 350.9 350.9 296.9 351.2 0.07 46 196 12641 -52.9 -60.9 37 8.0 -53.1 300 26 351.0 351.0 296.9 351.3 0.05 47 182 13113 -57.1 -61.0 61 3.9 -57.2 300 26 351.7 351.7 297.1 351.9 0.06 48 179 13218 -57.9 -62.6 55 4.7 -58.0 300 25 352.1 352.1 297.1 352.3 0.05 49 174 13396 -59.3 -64.3 52 5.0 -59.4 300 25 352.6 352.6 297.3 352.8 0.04 50 171 13505 -60.1 -74.1 14 14.0 -60.3 300 25 353.1 353.1 297.3 353.1 0.01 51 165 13726 -61.9 -64.9 67 3.0 -62.0 300 25 353.7 353.7 297.4 353.8 0.04 52 160 13916 -63.1 -74.1 21 11.0 -63.2 294 27 354.8 354.8 297.7 354.8 0.01 53 154 14150 -64.9 -69.6 52 4.7 -65.0 288 28 355.6 355.6 297.8 355.7 0.02 54 150 14310 -65.9 -73.9 32 8.0 -66.0 285 26 356.6 356.6 298.0 356.6 0.01 55 148 14391 -66.5 -76.5 23 10.0 -66.5 284 26 356.9 356.9 298.1 356.9 0.01 56 129 15212 -71.1 -80.1 25 9.0 -71.1 292 24 362.9 362.9 299.2 363.0 0.01 57 123 15493 -72.7 -76.8 54 4.1 -72.7 283 22 365.0 365.0 299.7 365.0 0.01 58 120 15637 -73.5 -79.5 39 6.0 -73.5 281 21 366.1 366.1 299.9 366.1 0.01 59 113 15990 -71.9 -80.9 25 9.0 -71.9 284 16 375.5 375.5 301.5 375.5 0.01 60 100 16700 -77.1 -81.6 48 4.5 -77.1 130 4 378.8 378.8 302.1 378.8 0.01 61 96 16933 -78.1 -84.1 37 6.0 -78.1 70 5 381.3 381.3 302.5 381.3 0.00 62 95 16993 -76.1 -84.1 27 8.0 -76.2 96 5 386.3 386.3 303.2 386.3 0.00 63 91 17240 -77.1 -89.1 13 12.0 -77.1 97 11 389.1 389.1 303.6 389.1 0.00 64 74 18415 -80.3 -90.3 17 10.0 -80.3 109 22 406.1 406.1 306.0 406.1 0.00 65 70 18730 -78.7 -88.7 18 10.0 -78.7 115 19 416.0 416.0 307.2 416.0 0.00 66 67 18980 -78.7 -88.7 18 10.0 -78.7 124 21 421.3 421.3 307.9 421.3 0.00 67 50 20700 -67.5 -90.5 2 23.0 -67.7 85 10 484.4 484.4 313.8 484.4 0.00 68 49 20822 -65.5 -89.5 2 24.0 -65.8 90 12 492.0 492.0 314.4 492.0 0.00 69 44 21474 -67.3 -90.3 2 23.0 -67.5 135 17 502.9 502.9 315.2 503.0 0.00 70 37 22533 -61.9 -88.9 2 27.0 -62.5 95 14 542.4 542.4 317.6 542.4 0.00 71 36 22702 -62.1 -89.1 2 27.0 -62.7 98 14 546.1 546.1 317.9 546.1 0.00 72 32 23440 -56.3 -87.3 1 31.0 -57.6 105 21 580.3 580.3 319.7 580.4 0.01 73 30 23850 -56.5 -87.5 1 31.0 -57.9 80 22 590.6 590.6 320.2 590.6 0.01 74 27 24520 -55.5 -86.5 1 31.0 -57.2 82 25 611.5 611.5 321.1 611.5 0.01 75 22 25822 -56.3 -87.3 1 31.0 -58.1 88 20 646.0 646.0 322.5 646.1 0.01 76 20 26430 -53.9 -85.9 1 32.0 -56.3 105 37 671.2 671.2 323.4 671.3 0.01 77 17 27476 -52.9 -85.9 1 33.0 -55.9 98 39 706.3 706.3 324.6 706.4 0.01 TRP 96 16933 -78.1 -84.1 37 6.0 -78.1 70 5 381.3 381.3 302.5 381.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 564.98 mb = 4985.76 m = 16357.30 ft Wetbulb zero: 576.60 mb = 4740.25 m = 15551.80 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 88.03 % Est. max temperature: 28.98 C = 84.17 F Sfc-Lift cond lev (LCL): 908.32 mb = 943.03 m = 3093.88 ft T: 21.00 C 700-500 lapse rate: 5.40 C/km ThetaE index: 12.13 C Layer 814.0- 700.0 mb Conv cond level (CCL): 799.65 mb = 2042.42 m = 6700.77 ft Mean mixing ratio: 15.00 g/kg Conv temperature: 27.69 C = 81.84 F Cap Strength: 1.58 C Lifted Index: -2.34 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.32 C Lifted Index @700 mb: -1.12 C Showalter Index: -2.63 C Risk: Severe thunderstorms possible Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.30 C K Index: 39.20 Risk: > 80 % chance of thunderstorms Sweat Index: 241.80 Risk: None Energy Index: -1.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 500.20 J/kg Max Up Vert Vel: 31.63 m/s Conv Inhibition (B-): 29.82 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 832.11 mb = 1701.49 m = 5582.26 ft Lev Free Conv (LFC): 767.11 mb = 2395.56 m = 7859.34 ft Equ Level (EL): 207.11 mb = 12281.43 m = 40292.93 ft B at Equ Level: 498.77 J/kg Max Parcel Lev (MPL): 117.11 mb = 15780.36 m = 51772.20 ft Wind level data Storm motion: 280 at 9 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 50 4 -3.1 -2.6 | 85 12 -12.1 -1.0 1 850 1518 250 8 7.5 2.7 | 161 5 -1.5 4.3 2 791 2134 270 9 9.0 -0.0 | 180 2 0.0 1.5 3 763 2438 260 10 9.8 1.7 | 195 3 0.9 3.3 4 700 3168 245 9 8.2 3.8 | 171 5 -0.8 5.3 5 635 3962 225 14 9.9 9.9 | 185 11 0.9 11.4 6 611 4267 240 13 11.3 6.5 | 196 8 2.3 8.0 7 588 4572 255 13 12.6 3.4 | 216 6 3.6 4.9 8 567 4877 250 16 15.0 5.5 | 221 9 6.0 7.0 9 546 5182 250 14 13.2 4.8 | 213 8 4.2 6.3 10 506 5791 245 18 16.3 7.6 | 219 12 7.3 9.1 11 500 5890 260 17 16.7 3.0 | 240 9 7.7 4.5 12 487 6096 260 18 17.7 3.1 | 242 10 8.7 4.7 13 450 6706 245 14 12.7 5.9 | 206 8 3.7 7.4 14 433 7010 285 10 9.7 -2.6 | 328 1 0.7 -1.1 15 416 7315 285 10 9.7 -2.6 | 328 1 0.7 -1.1 16 400 7620 250 12 11.3 4.1 | 202 6 2.3 5.6 17 400 7620 250 15 14.1 5.1 | 217 8 5.1 6.7 18 384 7925 250 11 10.3 3.8 | 194 5 1.3 5.3 19 368 8230 315 12 8.5 -8.5 | 4 7 -0.5 -7.0 20 339 8839 310 16 12.3 -10.3 | 340 9 3.3 -8.8 21 312 9449 290 12 11.3 -4.1 | 318 3 2.3 -2.6 22 300 9740 320 15 9.6 -11.5 | 356 10 0.6 -10.0 23 287 10058 325 15 8.6 -12.3 | 2 11 -0.4 -10.8 24 252 10973 305 24 19.7 -13.8 | 319 16 10.7 -12.2 25 250 11020 305 25 20.5 -14.3 | 318 17 11.5 -12.8 26 200 12510 300 26 22.5 -13.0 | 310 18 13.5 -11.5 27 165 13716 300 25 21.7 -12.5 | 311 17 12.7 -11.0 28 157 14021 290 29 27.3 -9.9 | 295 20 18.3 -8.4 29 150 14310 285 26 25.1 -6.7 | 288 17 16.1 -5.2 30 135 14935 275 25 24.9 -2.2 | 272 16 15.9 -0.7 31 128 15240 295 24 21.8 -10.1 | 304 15 12.8 -8.6 32 122 15545 280 22 21.7 -3.8 | 280 13 12.7 -2.3 33 110 16154 285 14 13.5 -3.6 | 295 5 4.5 -2.1 34 100 16700 130 4 -3.1 2.6 | 109 13 -12.1 4.1 35 96 16933 70 5 -4.7 -1.7 | 89 14 -13.7 -0.2 36 94 17069 130 4 -3.1 2.6 | 109 13 -12.1 4.1 37 89 17374 70 16 -15.0 -5.5 | 81 24 -24.0 -3.9 38 80 17983 100 26 -25.6 4.5 | 100 35 -34.6 6.0 39 70 18730 115 19 -17.2 8.0 | 110 28 -26.2 9.6 40 68 18898 130 23 -17.6 14.8 | 122 31 -26.6 16.3 41 65 19202 110 16 -15.0 5.5 | 106 25 -24.0 7.0 42 61 19507 145 19 -10.9 15.6 | 131 26 -19.9 17.1 43 58 19812 130 26 -19.9 16.7 | 122 34 -28.9 18.2 44 55 20117 130 19 -14.6 12.2 | 120 27 -23.5 13.7 45 52 20422 135 19 -13.4 13.4 | 124 27 -22.4 15.0 46 50 20700 85 10 -10.0 -0.9 | 92 19 -19.0 0.7 47 50 20726 95 13 -13.0 1.1 | 97 22 -21.9 2.7 48 47 21031 80 11 -10.8 -1.9 | 89 20 -19.8 -0.4 49 45 21336 140 13 -8.4 10.0 | 124 21 -17.3 11.5 50 43 21641 130 21 -16.1 13.5 | 121 29 -25.1 15.0 51 41 21946 110 19 -17.9 6.5 | 107 28 -26.8 8.0 52 39 22250 115 12 -10.9 5.1 | 108 21 -19.9 6.6 53 37 22555 95 14 -13.9 1.2 | 97 23 -22.9 2.7 54 34 23165 105 15 -14.5 3.9 | 103 24 -23.5 5.4 55 32 23470 105 21 -20.3 5.4 | 103 30 -29.3 7.0 56 30 23774 85 29 -28.9 -2.5 | 88 38 -37.9 -1.0 57 30 23850 80 22 -21.7 -3.8 | 86 31 -30.7 -2.3 58 28 24384 90 25 -25.0 0.0 | 93 34 -34.0 1.5 59 25 24994 55 27 -22.1 -15.5 | 66 34 -31.1 -14.0 60 24 25298 95 15 -14.9 1.3 | 97 24 -23.9 2.8 61 23 25603 110 19 -17.9 6.5 | 107 28 -26.8 8.0 62 22 25908 80 21 -20.7 -3.6 | 86 30 -29.7 -2.1 63 21 26213 100 23 -22.7 4.0 | 100 32 -31.6 5.5 64 20 26430 105 37 -35.7 9.6 | 104 46 -44.7 11.1 65 18 26822 105 38 -36.7 9.8 | 104 47 -45.7 11.4 66 15 27432 80 43 -42.3 -7.5 | 83 52 -51.3 -5.9 Wind Parameters Mean winds (0-6000m): 249.6 at 12.2 knts Storm direction: 279.6 at 9.1 knts Shear (0-3000m) pos: 0.0 neg: 3.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -14.7 tot: -7.7 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 68.28 Bulk Shear: 7.33 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 ------------------------------------------------------------------------------- 500 274 6 108 4| 0.0 10.7 10.7| 1.5 -12.9 -11.4 -22.9 -0.18| 13.8 -2.5 1000 260 7 141 4| 0.0 6.3 6.3| 3.8 -12.9 -9.1 -9.1 0.07| 9.7 0.6 1500 263 8 151 3| 0.0 4.6 4.6| 4.3 -12.9 -8.6 -5.7 0.10| 7.4 0.7 2000 260 8 162 3| 0.0 3.4 3.4| 4.3 -14.1 -9.8 -4.9 0.04| 6.0 0.3 2500 257 8 167 4| 0.0 3.0 3.0| 5.6 -14.7 -9.1 -3.6 0.05| 5.4 0.3 3000 250 9 174 5| 0.0 3.0 3.0| 7.0 -14.7 -7.7 -2.6 0.07| 5.2 0.3 4000 248 10 185 5| 0.8 2.3 3.1| 17.8 -14.8 3.0 0.8 0.17| 5.1 0.9 5000 248 11 195 6| 1.0 1.8 2.8| 29.9 -16.8 13.1 2.6 0.22| 5.1 1.1 6000 250 12 203 6| 1.1 1.5 2.6| 34.5 -29.6 4.9 0.8 0.14| 5.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251231.00.gif