UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 21 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 126 1 925 810 SFC 914 908 21.6 17.6 78 4.0 18.8 20 3 302.4 305.0 295.2 343.8 13.99 3 888 1159 18.2 15.8 86 2.4 16.6 24 7 301.4 303.8 294.1 339.2 12.82 4 860 1436 17.0 12.4 74 4.6 14.0 29 12 302.9 304.9 292.9 334.3 10.58 5 850 1537 17.4 11.4 68 6.0 13.6 10 19 304.4 306.2 292.9 334.3 10.01 6 847 1567 17.4 11.4 68 6.0 13.6 8 19 304.7 306.5 293.0 334.7 10.05 7 839 1648 17.2 15.9 92 1.3 16.3 4 20 305.3 307.8 295.8 346.2 13.67 8 790 2160 13.4 13.1 98 0.3 13.2 340 13 306.5 308.8 295.0 342.9 12.09 9 738 2732 11.0 2.0 54 9.0 6.0 328 14 309.9 311.1 291.3 328.5 6.00 10 718 2961 9.4 0.4 53 9.0 4.6 322 12 310.6 311.7 291.0 327.7 5.49 11 710 3054 9.8 -12.2 20 22.0 0.6 321 12 312.1 312.5 288.4 318.9 2.11 12 700 3172 9.0 -13.0 20 22.0 0.0 335 7 312.5 312.8 288.4 319.0 2.01 13 676 3460 8.0 -20.0 12 28.0 -1.9 14 6 314.5 314.7 288.2 318.4 1.15 14 670 3533 8.4 -33.6 3 42.0 -3.0 24 6 315.7 315.8 287.7 316.9 0.33 15 635 3975 7.6 -34.4 3 42.0 -3.7 85 4 319.7 319.8 289.0 320.9 0.33 16 567 4894 0.6 -32.4 6 33.0 -8.0 112 14 322.0 322.1 289.9 323.6 0.44 17 517 5628 -4.3 -16.3 39 12.0 -8.8 137 21 324.7 325.1 292.2 331.8 2.07 18 505 5812 -6.1 -25.1 21 19.0 -11.6 140 20 324.7 324.9 291.2 328.2 0.99 19 500 5890 -6.3 -34.3 9 28.0 -12.8 120 20 325.4 325.4 290.8 326.9 0.42 20 488 6079 -6.3 -45.3 3 39.0 -13.4 115 19 327.6 327.7 291.2 328.2 0.14 21 458 6571 -9.5 -18.5 48 9.0 -12.6 128 20 329.6 330.0 293.4 336.4 1.94 22 433 7000 -12.9 -20.9 51 8.0 -15.4 149 20 330.6 331.0 293.4 336.5 1.67 23 420 7231 -13.9 -19.9 60 6.0 -15.9 171 20 332.3 332.6 294.0 338.9 1.88 24 411 7395 -14.3 -24.3 42 10.0 -17.1 180 21 333.8 334.1 294.0 338.5 1.30 25 410 7414 -14.3 -22.3 51 8.0 -16.7 180 21 334.0 334.4 294.2 339.6 1.56 26 401 7581 -15.7 -21.7 60 6.0 -17.6 180 24 334.3 334.7 294.4 340.4 1.68 27 400 7600 -15.7 -21.7 60 6.0 -17.6 180 24 334.6 334.9 294.4 340.6 1.69 28 373 8124 -19.1 -39.1 15 20.0 -22.6 183 18 336.8 336.9 293.9 338.2 0.35 29 333 8959 -25.9 -32.9 52 7.0 -27.2 171 11 338.6 338.8 294.6 341.3 0.72 30 313 9406 -28.1 -33.1 62 5.0 -29.0 134 2 341.6 341.8 295.4 344.5 0.75 31 306 9568 -28.5 -37.5 42 9.0 -29.9 148 3 343.3 343.4 295.6 345.2 0.50 32 300 9710 -29.9 -36.9 51 7.0 -31.0 170 5 343.2 343.4 295.6 345.3 0.54 33 287 10023 -32.9 -41.9 40 9.0 -34.0 180 9 343.3 343.4 295.4 344.7 0.34 34 276 10297 -35.3 -40.3 60 5.0 -35.9 188 12 343.7 343.8 295.6 345.3 0.41 35 255 10844 -38.1 -55.1 15 17.0 -39.2 200 20 347.4 347.5 296.1 347.8 0.08 36 250 10980 -39.3 -55.3 17 16.0 -40.3 200 22 347.6 347.7 296.2 348.0 0.08 37 211 12120 -49.1 -61.1 23 12.0 -49.5 188 33 349.6 349.6 296.6 349.8 0.05 38 200 12470 -52.1 -60.1 38 8.0 -52.4 190 37 350.3 350.3 296.7 350.5 0.06 39 192 12732 -54.5 -59.5 54 5.0 -54.6 192 38 350.5 350.5 296.8 350.8 0.07 40 190 12799 -55.1 -61.1 47 6.0 -55.2 193 39 350.6 350.6 296.8 350.9 0.05 41 188 12866 -55.3 -64.3 32 9.0 -55.5 193 39 351.4 351.4 297.0 351.5 0.04 42 177 13247 -58.3 -64.3 46 6.0 -58.4 199 44 352.5 352.6 297.2 352.7 0.04 43 157 13990 -63.6 -73.4 25 9.8 -63.7 220 69 355.8 355.8 297.9 355.9 0.01 44 156 14029 -63.9 -73.9 24 10.0 -64.0 219 66 356.0 356.0 297.9 356.0 0.01 45 152 14189 -62.7 -76.7 14 14.0 -62.8 216 55 360.7 360.7 298.8 360.7 0.01 46 150 14270 -63.1 -77.1 13 14.0 -63.2 215 49 361.4 361.4 299.0 361.4 0.01 47 100 16670 -76.9 -89.9 11 13.0 -76.9 160 21 379.1 379.1 302.1 379.2 0.00 48 80 17945 -77.9 -89.9 13 12.0 -77.9 76 21 402.1 402.1 305.5 402.1 0.00 49 70 18700 -81.3 -90.3 20 9.0 -81.3 85 29 410.5 410.5 306.6 410.5 0.00 50 66 19029 -83.3 -91.3 24 8.0 -83.3 80 23 413.1 413.1 306.9 413.1 0.00 51 64 19202 -79.1 -89.1 18 10.0 -79.1 75 26 425.9 425.9 308.4 425.9 0.00 52 60 19571 -77.5 -89.5 13 12.0 -77.6 106 28 437.5 437.5 309.6 437.5 0.00 53 52 20399 -73.9 -89.9 7 16.0 -74.0 70 25 464.1 464.1 312.1 464.1 0.00 54 50 20630 -69.7 -89.7 4 20.0 -69.9 100 22 479.2 479.2 313.4 479.3 0.00 55 48 20874 -68.7 -89.7 3 21.0 -68.9 103 23 487.3 487.3 314.0 487.3 0.00 56 46 21128 -69.5 -90.5 3 21.0 -69.7 101 22 491.3 491.3 314.3 491.3 0.00 57 42 21680 -62.5 -88.5 2 26.0 -63.0 82 21 521.6 521.6 316.4 521.6 0.00 58 39 22137 -62.5 -88.5 2 26.0 -63.0 104 19 532.7 532.7 317.1 532.8 0.00 59 30 23770 -58.5 -86.5 2 28.0 -59.6 80 28 585.2 585.2 319.9 585.2 0.01 60 24 25185 -54.9 -84.9 1 30.0 -56.8 90 26 634.2 634.2 322.1 634.3 0.01 TRP 66 19029 -83.3 -91.3 24 8.0 -83.3 80 23 413.1 413.1 306.9 413.1 0.00 WND 157 13990 -63.6 -73.4 25 9.8 -63.7 220 69 355.8 355.8 297.9 355.9 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 560.88 mb = 4984.31 m = 16352.51 ft Wetbulb zero: 699.75 mb = 3174.89 m = 10416.18 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 39.88 % Est. max temperature: 27.23 C = 81.02 F Sfc-Lift cond lev (LCL): 861.86 mb = 1417.51 m = 4650.56 ft T: 17.08 C 700-500 lapse rate: 5.63 C/km ThetaE index: 27.26 C Layer 790.0- 700.0 mb Conv cond level (CCL): 790.57 mb = 2153.46 m = 7065.07 ft Mean mixing ratio: 12.35 g/kg Conv temperature: 25.59 C = 78.06 F Cap Strength: 3.83 C Lifted Index: 0.42 C Risk: Showers probable Lifted Index @300 mb: 4.06 C Lifted Index @700 mb: 1.28 C Showalter Index: 2.94 C Risk: Showers probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 17.70 C K Index: 13.10 Risk: None Sweat Index: 194.80 Risk: None Energy Index: -1.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.10 J/kg Max Up Vert Vel: 6.94 m/s Conv Inhibition (B-): 25161.17 J/kg Cap Strength: 3.79 C Lift Cond Lev (LCL): 825.65 mb = 1784.65 m = 5855.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 at 10 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 20 3 -1.0 -2.8 | 312 11 8.3 -7.4 1 851 1524 30 13 -6.5 -11.3 | 350 16 2.8 -15.8 2 850 1537 10 19 -3.3 -18.7 | 346 24 6.0 -23.3 3 821 1829 355 21 1.8 -20.9 | 336 28 11.1 -25.5 4 792 2134 340 13 4.4 -12.2 | 321 22 13.7 -16.8 5 764 2438 335 15 6.3 -13.6 | 319 24 15.6 -18.2 6 710 3048 320 12 7.7 -9.2 | 309 22 17.0 -13.8 7 700 3172 335 7 3.0 -6.3 | 312 16 12.2 -10.9 8 635 3962 85 4 -4.0 -0.3 | 313 7 5.3 -4.9 9 611 4267 115 9 -8.2 3.8 | 305 1 1.1 -0.8 10 589 4572 105 11 -10.6 2.8 | 38 2 -1.3 -1.7 11 546 5182 120 18 -15.6 9.0 | 125 8 -6.3 4.4 12 526 5486 130 21 -16.1 13.5 | 143 11 -6.8 8.9 13 506 5791 145 20 -11.5 16.4 | 169 12 -2.2 11.8 14 500 5890 120 20 -17.3 10.0 | 124 10 -8.0 5.4 15 487 6096 115 19 -17.2 8.0 | 113 9 -7.9 3.4 16 468 6401 120 20 -17.3 10.0 | 124 10 -8.0 5.4 17 432 7010 150 20 -10.0 17.3 | 177 13 -0.7 12.7 18 415 7315 180 20 0.0 20.0 | 211 18 9.3 15.4 19 400 7600 180 24 0.0 24.0 | 206 22 9.3 19.4 20 383 7925 180 25 0.0 25.0 | 204 22 9.3 20.4 21 367 8230 185 14 1.2 13.9 | 228 14 10.5 9.4 22 338 8839 180 13 0.0 13.0 | 228 13 9.3 8.4 23 311 9449 130 1 -0.8 0.6 | 295 9 8.5 -3.9 24 300 9710 170 5 -0.9 4.9 | 268 8 8.4 0.3 25 261 10668 200 17 5.8 16.0 | 233 19 15.1 11.4 26 250 10980 200 22 7.5 20.7 | 226 23 16.8 16.1 27 228 11582 185 27 2.4 26.9 | 208 25 11.6 22.3 28 200 12470 190 37 6.4 36.4 | 206 36 15.7 31.9 29 181 13106 195 40 10.4 38.6 | 210 39 19.6 34.1 30 157 13990 220 69 44.4 52.9 | 228 72 53.6 48.3 31 150 14270 215 49 28.1 40.1 | 226 52 37.4 35.6 32 149 14326 220 69 44.4 52.9 | 228 72 53.6 48.3 33 141 14630 210 43 21.5 37.2 | 223 45 30.8 32.7 34 121 15545 195 16 4.1 15.5 | 231 17 13.4 10.9 35 115 15850 170 26 -4.5 25.6 | 193 22 4.8 21.0 36 100 16670 160 21 -7.2 19.7 | 188 15 2.1 15.2 37 93 17069 160 21 -7.2 19.7 | 188 15 2.1 15.2 38 88 17374 120 24 -20.8 12.0 | 123 14 -11.5 7.4 39 84 17678 115 24 -21.8 10.1 | 114 14 -12.5 5.6 40 79 17983 70 21 -19.7 -7.2 | 42 16 -10.5 -11.8 41 75 18288 75 18 -17.4 -4.7 | 41 12 -8.1 -9.2 42 70 18700 85 29 -28.9 -2.5 | 70 21 -19.6 -7.1 43 68 18898 95 27 -26.9 2.4 | 83 18 -17.6 -2.2 44 66 19029 80 23 -22.7 -4.0 | 57 16 -13.4 -8.6 45 64 19202 75 26 -25.1 -6.7 | 54 19 -15.8 -11.3 46 61 19507 105 30 -29.0 7.8 | 99 20 -19.7 3.2 47 58 19812 110 21 -19.7 7.2 | 104 11 -10.5 2.6 48 55 20117 75 33 -31.9 -8.5 | 60 26 -22.6 -13.1 49 52 20422 70 25 -23.5 -8.6 | 47 19 -14.2 -13.1 50 50 20630 100 22 -21.7 3.8 | 86 12 -12.4 -0.8 51 49 20726 95 27 -26.9 2.4 | 83 18 -17.6 -2.2 52 47 21031 110 20 -18.8 6.8 | 103 10 -9.5 2.3 53 45 21336 85 25 -24.9 -2.2 | 67 17 -15.6 -6.8 54 40 21946 80 19 -18.7 -3.3 | 50 12 -9.4 -7.9 55 38 22250 115 19 -17.2 8.0 | 113 9 -7.9 3.4 56 37 22555 105 21 -20.3 5.4 | 94 11 -11.0 0.9 57 35 22860 125 21 -17.2 12.0 | 133 11 -7.9 7.5 58 33 23165 120 24 -20.8 12.0 | 123 14 -11.5 7.4 59 32 23470 85 27 -26.9 -2.4 | 69 19 -17.6 -6.9 60 30 23770 80 28 -27.6 -4.9 | 63 21 -18.3 -9.4 61 30 23774 100 28 -27.6 4.9 | 91 18 -18.3 0.3 62 28 24079 80 25 -24.6 -4.3 | 60 18 -15.3 -8.9 63 26 24384 85 29 -28.9 -2.5 | 70 21 -19.6 -7.1 64 24 24689 90 26 -26.0 0.0 | 75 17 -16.7 -4.6 65 22 24994 90 26 -26.0 0.0 | 75 17 -16.7 -4.6 66 19 25603 65 25 -22.7 -10.6 | 41 20 -13.4 -15.1 Wind Parameters Mean winds (0-6000m): 86.3 at 13.8 knts Storm direction: 116.3 at 10.3 knts Shear (0-3000m) pos: 2.8 neg: 2.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 4.9 deg Storm rel helicity (0-3000m) pos: 47.0 neg: -107.8 tot: -60.8 m^2/s^2 ave: -20.3 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 9.3 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.31 Bulk Shear: 18.33 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 28 7 331 12| 8.4 0.0 8.4| 24.3 0.0 24.3 48.6 0.88| 8.4 7.4 1000 11 13 338 18| 4.2 6.2 10.4| 29.8 -46.9 -17.1 -17.1 0.05| 13.2 0.7 1500 0 13 333 20| 2.8 4.1 6.9| 29.8 -80.8 -51.1 -34.0 -0.12| 11.6 -1.4 2000 352 14 328 21| 2.1 3.3 5.4| 29.8-101.3 -71.5 -35.8 -0.20| 9.6 -1.9 2500 350 13 326 21| 2.7 2.6 5.3| 44.2-105.0 -60.7 -24.3 -0.10| 9.8 -1.0 3000 351 11 325 19| 2.8 2.2 4.9| 47.0-107.8 -60.8 -20.3 -0.09| 9.3 -0.9 4000 10 11 334 17| 3.5 1.6 5.1| 50.8-108.1 -57.3 -14.3 0.00| 8.6 0.0 5000 54 13 4 12| 3.3 1.2 4.5| 73.0-126.7 -53.7 -10.7 0.02| 8.9 0.2 6000 86 14 39 7| 2.7 1.0 3.7|100.2-130.2 -30.0 -5.0 0.10| 8.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251221.12.gif