UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 26 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 108 1 925 803 SFC 914 908 25.8 19.8 70 6.0 21.5 300 3 306.7 309.7 297.7 355.2 16.11 3 850 1544 21.6 11.6 53 10.0 15.1 265 16 308.8 310.7 294.2 339.6 10.15 4 752 2595 15.0 0.0 36 15.0 6.9 282 18 312.6 313.6 291.3 328.6 5.09 5 700 3197 10.4 3.4 62 7.0 6.3 280 15 314.0 315.3 293.3 335.9 7.00 6 673 3523 8.0 3.0 71 5.0 5.1 267 18 314.9 316.2 293.6 337.1 7.08 7 595 4527 1.8 -1.3 80 3.1 0.1 281 19 319.0 320.1 293.7 337.7 5.86 8 567 4914 -0.3 -9.3 51 9.0 -4.3 289 15 320.9 321.6 292.2 331.9 3.33 9 551 5142 -2.3 -5.0 82 2.7 -3.6 282 13 321.2 322.1 293.5 336.8 4.79 10 538 5332 -2.7 -12.7 46 10.0 -6.8 289 11 322.9 323.4 292.2 331.9 2.68 11 525 5525 -3.9 -9.9 63 6.0 -6.5 300 10 323.7 324.4 293.1 335.2 3.43 12 521 5586 -4.1 -16.1 39 12.0 -8.6 300 10 324.2 324.6 292.1 331.3 2.09 13 517 5647 -4.1 -13.1 50 9.0 -7.7 300 9 324.9 325.5 292.8 334.0 2.70 14 511 5739 -4.1 -19.1 30 15.0 -9.4 300 9 326.0 326.3 292.2 331.7 1.65 15 506 5816 -4.7 -14.7 45 10.0 -8.6 300 8 326.2 326.7 292.9 334.4 2.42 16 502 5879 -4.9 -19.9 30 15.0 -10.0 300 8 326.7 327.0 292.3 332.2 1.57 17 500 5910 -5.3 -15.3 45 10.0 -9.1 300 8 326.6 327.0 292.9 334.5 2.33 18 491 6053 -5.7 -11.7 63 6.0 -8.2 311 9 327.8 328.4 294.0 338.6 3.18 19 482 6198 -5.3 -26.3 17 21.0 -11.5 312 8 330.0 330.2 292.6 333.4 0.93 20 474 6329 -5.7 -17.7 38 12.0 -10.1 308 7 331.1 331.5 293.9 338.1 2.01 21 461 6547 -6.3 -28.3 16 22.0 -12.5 307 8 333.0 333.2 293.3 336.0 0.81 22 451 6718 -7.9 -31.9 13 24.0 -13.9 310 10 333.1 333.2 293.2 335.3 0.59 23 449 6753 -8.1 -20.1 37 12.0 -12.2 311 10 333.3 333.6 294.1 339.4 1.73 24 433 7033 -10.5 -18.5 52 8.0 -13.3 320 12 333.7 334.1 294.6 340.9 2.05 25 419 7286 -11.3 -27.3 25 16.0 -15.7 329 14 335.8 336.0 294.1 339.4 0.97 26 400 7640 -14.7 -25.7 39 11.0 -17.7 325 14 335.9 336.1 294.4 340.2 1.18 27 377 8085 -18.5 -25.5 54 7.0 -20.4 325 15 336.6 336.9 294.6 341.2 1.27 28 354 8551 -22.1 -34.1 33 12.0 -24.4 315 12 337.9 338.0 294.4 340.2 0.60 29 332 9021 -24.3 -40.3 21 16.0 -26.8 356 13 341.1 341.2 294.9 342.5 0.34 30 305 9632 -29.5 -41.5 30 12.0 -31.1 360 14 342.2 342.3 295.1 343.5 0.33 31 300 9750 -30.3 -40.3 37 10.0 -31.6 360 11 342.7 342.8 295.3 344.2 0.38 32 267 10574 -35.9 -57.9 9 22.0 -37.3 311 5 346.1 346.1 295.8 346.4 0.06 33 250 11030 -39.7 -56.7 15 17.0 -40.6 275 1 347.0 347.1 296.0 347.3 0.07 34 238 11363 -42.7 -57.7 18 15.0 -43.4 290 2 347.4 347.5 296.1 347.7 0.07 35 230 11592 -44.5 -48.9 61 4.4 -44.8 291 3 348.1 348.2 296.4 348.9 0.19 36 229 11621 -44.7 -55.7 28 11.0 -45.2 291 3 348.2 348.3 296.3 348.6 0.09 37 227 11679 -45.1 -61.1 15 16.0 -45.7 292 4 348.5 348.5 296.3 348.7 0.05 38 223 11797 -45.9 -55.9 31 10.0 -46.4 292 5 349.1 349.1 296.5 349.4 0.09 39 217 11977 -47.1 -62.1 16 15.0 -47.6 293 6 349.9 349.9 296.7 350.1 0.04 40 200 12510 -51.7 -58.7 43 7.0 -52.0 310 9 350.9 350.9 296.9 351.2 0.07 41 191 12807 -54.3 -59.0 56 4.7 -54.4 324 10 351.4 351.4 297.0 351.7 0.07 42 171 13506 -60.3 -64.4 58 4.1 -60.4 339 11 352.7 352.7 297.3 352.9 0.04 43 161 13879 -63.5 -67.8 56 4.3 -63.6 332 10 353.5 353.5 297.4 353.6 0.03 44 158 13994 -64.3 -70.3 44 6.0 -64.4 342 10 354.0 354.0 297.5 354.1 0.02 45 150 14310 -66.9 -71.1 55 4.2 -67.0 345 8 354.8 354.8 297.7 354.9 0.02 46 144 14555 -68.9 -71.5 69 2.6 -68.9 347 8 355.5 355.5 297.8 355.6 0.02 47 137 14852 -71.3 -75.8 51 4.5 -71.3 349 9 356.4 356.4 298.0 356.4 0.01 48 124 15434 -76.3 -79.1 64 2.8 -76.3 354 10 357.6 357.6 298.2 357.6 0.01 49 122 15528 -76.9 -80.8 54 3.9 -76.9 355 10 358.2 358.2 298.4 358.2 0.00 50 101 16613 -77.3 -87.3 19 10.0 -77.3 301 11 377.3 377.3 301.8 377.3 0.00 51 100 16670 -77.5 -87.5 19 10.0 -77.5 275 12 378.0 378.0 301.9 378.0 0.00 52 89 17329 -81.5 -88.5 29 7.0 -81.5 125 4 382.8 382.8 302.7 382.8 0.00 53 81 17861 -77.9 -87.9 18 10.0 -77.9 32 17 400.6 400.6 305.3 400.7 0.00 54 74 18373 -80.5 -89.5 21 9.0 -80.5 19 11 405.7 405.7 306.0 405.7 0.00 55 72 18529 -76.9 -87.9 16 11.0 -76.9 98 10 416.5 416.5 307.3 416.5 0.00 56 70 18690 -77.9 -88.9 15 11.0 -77.9 110 26 417.7 417.7 307.4 417.7 0.00 57 67 18941 -78.7 -89.7 15 11.0 -78.7 112 26 421.3 421.3 307.9 421.3 0.00 58 55 20092 -71.3 -88.3 6 17.0 -71.4 107 17 462.7 462.7 312.0 462.7 0.00 59 54 20201 -71.9 -88.9 6 17.0 -72.0 93 20 463.7 463.7 312.1 463.7 0.00 60 50 20660 -68.3 -89.3 3 21.0 -68.5 70 8 482.5 482.5 313.7 482.6 0.00 61 47 21034 -64.1 -88.1 2 24.0 -64.5 72 11 501.2 501.2 315.0 501.2 0.00 62 41 21872 -62.3 -87.3 2 25.0 -62.8 167 8 525.7 525.7 316.6 525.7 0.00 63 38 22338 -64.1 -88.1 2 24.0 -64.6 133 16 532.6 532.6 317.1 532.7 0.00 64 32 23399 -60.1 -87.1 2 27.0 -61.0 90 25 570.2 570.2 319.2 570.2 0.01 65 31 23596 -61.1 -87.1 2 26.0 -61.9 83 25 572.7 572.7 319.3 572.7 0.01 66 30 23800 -60.1 -87.1 2 27.0 -61.0 80 22 580.8 580.8 319.7 580.8 0.01 67 25 24967 -50.5 -82.5 1 32.0 -53.3 89 32 639.5 639.5 322.3 639.6 0.02 68 20 26420 -52.1 -83.1 1 31.0 -55.0 65 25 676.7 676.7 323.7 676.9 0.02 69 16 27879 -47.9 -81.9 1 34.0 -52.7 40 17 735.0 735.0 325.5 735.3 0.03 70 15 28304 -48.5 -81.5 1 33.0 -53.2 52 16 746.7 746.7 325.8 747.0 0.03 TRP 89 17329 -81.5 -88.5 29 7.0 -81.5 125 4 382.8 382.8 302.7 382.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 571.00 mb = 4858.98 m = 15941.34 ft Wetbulb zero: 594.14 mb = 4538.78 m = 14890.82 ft Precipitable water: 1.26 inches Sfc-500 mean rel hum: 58.29 % Est. max temperature: 31.06 C = 87.90 F Sfc-Lift cond lev (LCL): 837.51 mb = 1670.98 m = 5482.14 ft T: 20.80 C 700-500 lapse rate: 5.79 C/km ThetaE index: 26.57 C Layer 850.0- 700.0 mb Conv cond level (CCL): 704.06 mb = 3148.34 m = 10329.09 ft Mean mixing ratio: 11.62 g/kg Conv temperature: 32.77 C = 90.98 F Cap Strength: 3.62 C Lifted Index: 0.01 C Risk: Showers probable Lifted Index @300 mb: 1.67 C Lifted Index @700 mb: 1.65 C Showalter Index: 1.65 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 16.90 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.20 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.01 J/kg Max Up Vert Vel: 9.28 m/s Conv Inhibition (B-): 149.14 J/kg Cap Strength: 3.62 C Lift Cond Lev (LCL): 759.73 mb = 2506.83 m = 8224.40 ft Lev Free Conv (LFC): 614.73 mb = 4261.17 m = 13980.04 ft Equ Level (EL): 504.73 mb = 5835.97 m = 19146.66 ft B at Equ Level: 42.25 J/kg Max Parcel Lev (MPL): 454.73 mb = 6653.81 m = 21829.83 ft Wind level data Storm motion: 311 at 11 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 ---------------------------------------------------------- 0 914 908 300 3 2.6 -1.5 | 136 8 -5.4 5.5 1 882 1219 295 11 10.0 -4.6 | 219 3 2.0 2.4 2 852 1524 260 18 17.7 3.1 | 224 14 9.7 10.2 3 850 1544 265 16 15.9 1.4 | 223 12 7.9 8.4 4 793 2134 270 17 17.0 -0.0 | 232 11 9.0 7.0 5 765 2438 275 18 17.9 -1.6 | 241 11 9.9 5.5 6 738 2743 290 18 16.9 -6.2 | 264 9 8.9 0.9 7 700 3197 280 15 14.8 -2.6 | 237 8 6.8 4.4 8 687 3353 265 17 16.9 1.5 | 226 12 8.9 8.5 9 613 4267 275 21 20.9 -1.8 | 248 14 12.9 5.2 10 568 4877 290 15 14.1 -5.1 | 253 6 6.1 1.9 11 547 5182 280 12 11.8 -2.1 | 218 6 3.8 5.0 12 527 5486 300 10 8.7 -5.0 | 198 2 0.7 2.0 13 500 5910 300 8 6.9 -4.0 | 161 3 -1.1 3.0 14 488 6096 315 9 6.4 -6.4 | 112 2 -1.6 0.7 15 469 6401 305 6 4.9 -3.4 | 139 5 -3.1 3.6 16 451 6706 310 10 7.7 -6.4 | 151 1 -0.3 0.6 17 417 7315 330 14 7.0 -12.1 | 11 5 -1.0 -5.1 18 400 7640 325 14 8.0 -11.5 | 360 4 0.0 -4.4 19 369 8230 325 15 8.6 -12.3 | 353 5 0.6 -5.2 20 354 8534 315 12 8.5 -8.5 | 341 2 0.5 -1.4 21 340 8839 345 11 2.8 -10.6 | 55 6 -5.2 -3.6 22 326 9144 5 15 -1.3 -14.9 | 50 12 -9.3 -7.9 23 313 9449 360 18 -0.0 -18.0 | 36 14 -8.0 -11.0 24 300 9750 360 11 -0.0 -11.0 | 64 9 -8.0 -4.0 25 300 9754 5 13 -1.1 -13.0 | 57 11 -9.1 -5.9 26 287 10058 350 10 1.7 -9.8 | 66 7 -6.3 -2.8 27 250 11030 275 1 1.0 -0.1 | 135 10 -7.0 7.0 28 241 11278 290 1 0.9 -0.3 | 133 10 -7.1 6.7 29 200 12497 295 10 9.1 -4.2 | 201 3 1.1 2.8 30 200 12510 310 9 6.9 -5.8 | 139 2 -1.1 1.3 31 182 13106 340 11 3.8 -10.3 | 52 5 -4.2 -3.3 32 173 13411 345 12 3.1 -11.6 | 47 7 -4.9 -4.5 33 165 13716 320 10 6.4 -7.7 | 69 2 -1.6 -0.6 34 157 14021 345 10 2.6 -9.7 | 64 6 -5.4 -2.6 35 150 14310 345 8 2.1 -7.7 | 83 6 -5.9 -0.7 36 121 15545 355 10 0.9 -10.0 | 68 8 -7.1 -2.9 37 115 15850 0 0 -0.0 -0.0 | 131 11 -8.0 7.0 38 104 16459 10 10 -1.7 -9.8 | 74 10 -9.7 -2.8 39 100 16670 275 12 12.0 -1.0 | 213 7 4.0 6.0 40 98 16764 350 19 3.3 -18.7 | 22 13 -4.7 -11.7 41 93 17069 275 12 12.0 -1.0 | 213 7 4.0 6.0 42 89 17329 125 4 -3.3 2.3 | 130 15 -11.3 9.3 43 88 17374 200 10 3.4 9.4 | 164 17 -4.6 16.4 44 84 17678 50 10 -7.7 -6.4 | 92 16 -15.7 0.6 45 79 17983 20 22 -7.5 -20.7 | 49 21 -15.5 -13.6 46 75 18288 335 12 5.1 -10.9 | 37 5 -2.9 -3.8 47 71 18593 130 10 -7.7 6.4 | 131 21 -15.7 13.5 48 70 18690 110 26 -24.4 8.9 | 116 36 -32.4 15.9 49 68 18898 115 26 -23.6 11.0 | 120 36 -31.6 18.0 50 64 19202 95 29 -28.9 2.5 | 105 38 -36.9 9.6 51 61 19507 55 15 -12.3 -8.6 | 86 20 -20.3 -1.6 52 58 19812 145 10 -5.7 8.2 | 138 21 -13.7 15.2 53 52 20422 65 25 -22.7 -10.6 | 83 31 -30.7 -3.5 54 50 20660 70 8 -7.5 -2.7 | 106 16 -15.5 4.3 55 49 20726 80 13 -12.8 -2.3 | 103 21 -20.8 4.8 56 45 21336 65 10 -9.1 -4.2 | 99 17 -17.1 2.8 57 43 21641 140 2 -1.3 1.5 | 133 13 -9.3 8.6 58 41 21946 175 10 -0.9 10.0 | 152 19 -8.9 17.0 59 39 22250 135 15 -10.6 10.6 | 133 26 -18.6 17.6 60 37 22555 130 17 -13.0 10.9 | 131 28 -21.0 18.0 61 35 22860 90 21 -21.0 0.0 | 104 30 -29.0 7.0 62 33 23165 110 18 -16.9 6.2 | 118 28 -24.9 13.2 63 32 23470 85 27 -26.9 -2.4 | 98 35 -34.9 4.7 64 30 23800 80 22 -21.7 -3.8 | 96 30 -29.7 3.2 65 29 24079 95 22 -21.9 1.9 | 107 31 -29.9 9.0 66 26 24689 80 21 -20.7 -3.6 | 97 29 -28.7 3.4 67 25 24994 90 33 -33.0 0.0 | 100 42 -41.0 7.0 68 23 25603 55 20 -16.4 -11.5 | 80 25 -24.4 -4.4 69 22 25908 55 15 -12.3 -8.6 | 86 20 -20.3 -1.6 70 21 26213 70 23 -21.6 -7.9 | 88 30 -29.6 -0.8 71 20 26420 65 25 -22.7 -10.6 | 83 31 -30.7 -3.5 72 18 26822 65 26 -23.6 -11.0 | 83 32 -31.6 -3.9 73 16 27127 35 17 -9.8 -13.9 | 69 19 -17.8 -6.9 74 14 27737 65 16 -14.5 -6.8 | 91 23 -22.5 0.3 75 12 28346 85 23 -22.9 -2.0 | 99 31 -30.9 5.0 76 11 28651 95 21 -20.9 1.8 | 107 30 -28.9 8.9 Wind Parameters Mean winds (0-6000m): 281.3 at 14.2 knts Storm direction: 311.3 at 10.7 knts Shear (0-3000m) pos: 1.2 neg: 2.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -16.0 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 12.41 Bulk Shear: 3.47 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 ------------------------------------------------------------------------------- 500 289 9 191 4| 0.0 13.1 13.1| 7.0 -0.3 6.7 13.4 0.45| 15.1 6.8 1000 274 13 218 8| 0.0 7.3 7.3| 9.7 -3.8 5.9 5.9 0.29| 11.0 3.2 1500 272 14 225 9| 0.8 4.9 5.7| 16.7 -3.8 12.9 8.6 0.36| 8.2 3.0 2000 276 15 232 9| 1.4 3.6 5.0| 26.9 -6.1 20.7 10.4 0.38| 7.6 2.9 2500 276 15 234 9| 1.1 3.5 4.6| 26.9 -16.0 10.9 4.4 0.20| 7.5 1.5 3000 275 16 234 10| 1.2 2.9 4.2| 35.9 -16.0 20.0 6.7 0.25| 6.7 1.7 4000 276 17 238 10| 1.5 2.2 3.7| 46.0 -16.8 29.2 7.3 0.25| 6.3 1.6 5000 278 15 236 9| 1.5 1.8 3.3| 46.0 -24.3 21.7 4.3 0.11| 6.0 0.6 6000 281 14 234 7| 1.5 1.5 3.0| 47.1 -25.4 21.7 3.6 0.07| 6.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251226.12.gif