UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 22 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 95 1 925 789 SFC 912 908 24.2 14.2 54 10.0 17.5 50 7 305.3 307.4 294.0 338.9 11.23 3 856 1464 21.2 4.2 33 17.0 11.4 17 20 307.7 308.9 290.6 326.3 6.04 4 850 1525 20.8 6.8 40 14.0 12.4 15 19 307.9 309.3 291.8 330.3 7.31 5 760 2480 13.0 9.3 78 3.7 10.7 26 12 309.5 311.3 294.1 339.2 9.73 6 754 2547 12.8 4.8 58 8.0 8.1 27 11 310.0 311.4 292.3 332.1 7.17 7 728 2841 11.0 4.0 62 7.0 6.9 32 8 311.2 312.5 292.5 332.9 7.02 8 700 3168 9.0 -6.0 34 15.0 1.9 40 1 312.5 313.1 289.8 323.6 3.49 9 693 3251 8.4 -7.6 31 16.0 1.1 16 1 312.7 313.3 289.6 322.7 3.11 10 687 3323 7.8 -0.2 57 8.0 3.5 355 1 312.8 313.8 291.7 330.0 5.49 11 673 3492 7.0 -12.0 24 19.0 -0.9 306 3 313.7 314.2 289.1 321.1 2.26 12 671 3516 7.2 -16.8 16 24.0 -1.8 298 3 314.2 314.5 288.5 319.3 1.53 13 664 3602 7.4 -8.6 31 16.0 0.1 273 5 315.4 316.0 290.3 325.2 3.01 14 661 3639 7.8 -18.2 14 26.0 -1.9 263 5 316.3 316.5 289.0 320.9 1.38 15 655 3714 7.4 -22.6 10 30.0 -2.7 241 6 316.6 316.8 288.7 319.9 0.95 16 652 3752 7.4 -9.6 29 17.0 -0.2 230 7 317.1 317.6 290.6 326.3 2.83 17 637 3943 6.8 -24.2 9 31.0 -3.3 174 10 318.5 318.7 289.2 321.4 0.85 18 633 3995 6.4 -19.6 14 26.0 -3.0 166 10 318.6 318.9 289.6 323.0 1.28 19 630 4034 5.8 -5.2 45 11.0 0.4 167 11 318.4 319.2 292.2 331.7 4.12 20 627 4073 6.0 -26.0 8 32.0 -4.0 168 12 319.0 319.2 289.2 321.6 0.73 21 622 4138 5.2 -0.8 65 6.0 2.0 170 14 318.8 320.0 293.7 337.5 5.81 22 610 4297 5.4 -29.6 6 35.0 -4.8 176 17 320.8 321.0 289.6 322.8 0.54 23 595 4499 3.4 -7.6 44 11.0 -1.7 186 16 320.8 321.5 292.4 332.7 3.63 24 586 4622 3.0 -31.0 6 34.0 -6.4 189 15 321.8 321.9 289.8 323.5 0.49 25 556 5046 1.4 -41.6 2 43.0 -8.1 174 12 324.7 324.8 290.4 325.4 0.18 26 533 5384 -0.9 -44.9 2 44.0 -9.7 163 9 325.9 326.0 290.7 326.4 0.13 27 500 5890 -5.1 -16.1 42 11.0 -9.2 145 5 326.8 327.3 292.9 334.3 2.18 28 496 5953 -5.9 -15.9 45 10.0 -9.6 153 5 326.6 327.0 292.9 334.2 2.23 29 489 6064 -6.9 -8.8 86 1.9 -7.8 166 5 326.7 327.5 294.4 340.2 4.02 30 473 6323 -8.7 -9.8 92 1.1 -9.2 177 4 327.6 328.4 294.4 340.5 3.84 31 461 6522 -10.3 -11.1 94 0.8 -10.6 184 3 328.0 328.7 294.3 340.0 3.56 32 454 6640 -9.7 -19.7 44 10.0 -13.0 188 3 330.2 330.6 293.4 336.4 1.77 33 438 6917 -11.5 -13.3 86 1.8 -12.2 197 1 331.3 332.0 294.8 342.1 3.13 34 433 7005 -11.9 -13.7 86 1.8 -12.6 200 1 331.9 332.5 294.9 342.5 3.07 35 425 7148 -11.5 -15.5 72 4.0 -13.0 185 2 334.2 334.7 295.2 343.6 2.69 36 400 7610 -14.9 -17.9 78 3.0 -16.0 130 7 335.6 336.1 295.3 343.9 2.34 37 355 8504 -19.5 -27.5 49 8.0 -21.5 171 12 341.1 341.3 295.6 345.3 1.13 38 323 9198 -25.3 -31.3 57 6.0 -26.5 168 10 342.4 342.6 295.7 345.7 0.87 39 315 9379 -25.9 -36.9 35 11.0 -27.8 180 10 344.0 344.2 295.7 346.1 0.51 40 300 9730 -29.3 -37.3 46 8.0 -30.6 205 11 344.1 344.2 295.8 346.1 0.52 41 286 10070 -32.3 -39.3 50 7.0 -33.3 218 13 344.5 344.6 295.8 346.3 0.44 42 259 10766 -36.7 -51.7 20 15.0 -37.8 229 12 348.0 348.0 296.3 348.5 0.13 43 250 11010 -38.9 -51.9 24 13.0 -39.8 215 18 348.2 348.3 296.4 348.8 0.13 44 216 11995 -46.9 -63.9 13 17.0 -47.4 227 26 350.7 350.7 296.8 350.8 0.03 45 200 12500 -51.3 -70.3 9 19.0 -51.7 220 29 351.5 351.5 297.0 351.6 0.01 46 187 12931 -55.1 -68.1 18 13.0 -55.4 220 32 352.2 352.2 297.1 352.3 0.02 47 155 14100 -64.5 -75.5 21 11.0 -64.6 222 47 355.6 355.6 297.8 355.7 0.01 48 150 14300 -64.9 -74.9 24 10.0 -65.0 215 42 358.3 358.3 298.4 358.3 0.01 49 138 14805 -67.1 -72.0 50 4.9 -67.1 194 28 363.1 363.1 299.3 363.1 0.02 50 134 14982 -68.3 -76.3 31 8.0 -68.4 182 21 364.0 364.0 299.5 364.0 0.01 51 122 15538 -73.1 -78.1 46 5.0 -73.1 123 11 365.1 365.1 299.7 365.2 0.01 52 104 16465 -76.5 -89.5 11 13.0 -76.5 159 17 375.7 375.7 301.5 375.7 0.00 53 100 16690 -77.9 -89.9 13 12.0 -77.9 140 23 377.2 377.2 301.8 377.2 0.00 54 77 18157 -84.3 -92.3 23 8.0 -84.3 115 19 393.2 393.2 304.2 393.2 0.00 55 70 18690 -79.3 -89.3 18 10.0 -79.3 45 33 414.7 414.7 307.1 414.7 0.00 56 66 19025 -80.3 -90.3 17 10.0 -80.3 57 29 419.6 419.6 307.7 419.6 0.00 57 60 19572 -75.5 -88.5 11 13.0 -75.6 95 26 441.9 441.9 310.1 441.9 0.00 58 56 19972 -76.1 -90.1 9 14.0 -76.2 86 31 449.4 449.4 310.8 449.4 0.00 59 50 20640 -69.1 -90.1 3 21.0 -69.3 80 29 480.7 480.7 313.5 480.7 0.00 60 48 20884 -66.7 -89.7 3 23.0 -67.0 74 26 492.0 492.0 314.4 492.0 0.00 61 36 22639 -61.3 -88.3 2 27.0 -62.0 80 24 548.2 548.2 318.0 548.2 0.00 62 34 22991 -62.9 -87.9 2 25.0 -63.5 95 17 553.0 553.0 318.3 553.0 0.01 63 31 23564 -58.3 -86.3 2 28.0 -59.4 73 27 580.2 580.2 319.7 580.3 0.01 64 30 23770 -58.3 -86.3 2 28.0 -59.4 65 29 585.7 585.7 319.9 585.8 0.01 65 20 26350 -53.1 -84.1 1 31.0 -55.8 90 23 673.6 673.6 323.6 673.8 0.02 66 17 27401 -51.7 -82.7 1 31.0 -55.1 105 25 710.2 710.2 324.7 710.4 0.03 TRP 77 18157 -84.3 -92.3 23 8.0 -84.3 115 19 393.2 393.2 304.2 393.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 542.00 mb = 5252.04 m = 17230.91 ft Wetbulb zero: 675.89 mb = 3456.55 m = 11340.24 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 34.58 % Est. max temperature: 28.28 C = 82.91 F Sfc-Lift cond lev (LCL): 787.36 mb = 2178.42 m = 7146.98 ft T: 15.46 C 700-500 lapse rate: 5.18 C/km ThetaE index: 12.65 C Layer 856.0- 850.0 mb Conv cond level (CCL): 588.25 mb = 4591.44 m = 15063.59 ft Mean mixing ratio: 8.17 g/kg Conv temperature: 40.01 C = 104.02 F Cap Strength: 6.54 C Lifted Index: 5.13 C Risk: None Lifted Index @300 mb: 9.65 C Lifted Index @700 mb: 3.94 C Showalter Index: 6.01 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 11.90 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 124.60 Risk: None Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.93 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 30521.68 J/kg Cap Strength: 6.48 C Lift Cond Lev (LCL): 713.67 mb = 3006.91 m = 9865.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 122 at 7 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 7 -5.4 -4.5 | 354 9 0.9 -8.5 1 880 1219 25 22 -9.3 -19.9 | 7 24 -3.0 -23.9 2 850 1525 15 19 -4.9 -18.4 | 357 22 1.4 -22.3 3 791 2134 15 15 -3.9 -14.5 | 353 19 2.4 -18.5 4 763 2438 25 12 -5.1 -10.9 | 355 15 1.2 -14.9 5 736 2743 30 10 -5.0 -8.7 | 354 13 1.3 -12.6 6 700 3168 40 1 -0.6 -0.8 | 310 7 5.6 -4.8 7 684 3353 345 1 0.3 -1.0 | 307 8 6.5 -5.0 8 635 3962 165 10 -2.6 9.7 | 213 7 3.7 5.7 9 611 4267 175 17 -1.5 16.9 | 200 14 4.8 12.9 10 588 4572 190 15 2.6 14.8 | 219 14 8.9 10.8 11 500 5890 145 5 -2.9 4.1 | 268 3 3.4 0.1 12 487 6096 170 5 -0.9 4.9 | 260 5 5.4 0.9 13 432 7010 200 1 0.3 0.9 | 295 7 6.6 -3.0 14 400 7610 130 7 -5.4 4.5 | 241 1 0.9 0.5 15 383 7925 135 12 -8.5 8.5 | 154 5 -2.2 4.5 16 368 8230 150 13 -6.5 11.3 | 178 7 -0.2 7.3 17 353 8534 175 12 -1.0 12.0 | 213 10 5.2 8.0 18 325 9144 165 10 -2.6 9.7 | 213 7 3.7 5.7 19 300 9730 205 11 4.6 10.0 | 241 12 10.9 6.0 20 274 10363 230 14 10.7 9.0 | 254 18 17.0 5.0 21 262 10668 240 11 9.5 5.5 | 265 16 15.8 1.5 22 251 10973 205 15 6.3 13.6 | 233 16 12.6 9.6 23 250 11010 215 18 10.3 14.7 | 237 20 16.6 10.8 24 209 12192 230 28 21.4 18.0 | 243 31 27.7 14.0 25 200 12500 220 29 18.6 22.2 | 234 31 24.9 18.2 26 182 13106 220 33 21.2 25.3 | 232 35 27.5 21.3 27 165 13716 235 56 45.9 32.1 | 242 59 52.1 28.1 28 150 14300 215 42 24.1 34.4 | 225 43 30.4 30.4 29 149 14326 225 47 33.2 33.2 | 233 49 39.5 29.2 30 135 14935 185 22 1.9 21.9 | 205 20 8.2 17.9 31 121 15545 120 10 -8.7 5.0 | 113 3 -2.4 1.0 32 115 15850 80 3 -3.0 -0.5 | 324 6 3.3 -4.5 33 110 16154 185 10 0.9 10.0 | 230 9 7.1 6.0 34 100 16690 140 23 -14.8 17.6 | 148 16 -8.5 13.6 35 93 17069 140 23 -14.8 17.6 | 148 16 -8.5 13.6 36 79 17983 135 19 -13.4 13.4 | 143 12 -7.2 9.4 37 77 18157 115 19 -17.2 8.0 | 110 12 -10.9 4.0 38 75 18288 120 17 -14.7 8.5 | 118 10 -8.4 4.5 39 71 18593 110 28 -26.3 9.6 | 106 21 -20.0 5.6 40 70 18690 45 33 -23.3 -23.3 | 32 32 -17.1 -27.3 41 68 18898 50 35 -26.8 -22.5 | 38 34 -20.5 -26.5 42 64 19202 65 22 -19.9 -9.3 | 46 19 -13.7 -13.3 43 61 19507 100 23 -22.7 4.0 | 90 16 -16.4 0.0 44 58 19812 80 34 -33.5 -5.9 | 70 29 -27.2 -9.9 45 55 20117 90 28 -28.0 0.0 | 80 22 -21.7 -4.0 46 50 20640 80 29 -28.6 -5.0 | 68 24 -22.3 -9.0 47 47 21031 70 24 -22.6 -8.2 | 53 20 -16.3 -12.2 48 45 21336 100 19 -18.7 3.3 | 87 12 -12.4 -0.7 49 37 22555 70 29 -27.3 -9.9 | 56 25 -21.0 -13.9 50 35 22860 100 13 -12.8 2.3 | 75 7 -6.5 -1.7 51 33 23165 90 22 -22.0 0.0 | 76 16 -15.7 -4.0 52 30 23770 65 29 -26.3 -12.3 | 51 26 -20.0 -16.2 53 30 23774 105 29 -28.0 7.5 | 99 22 -21.7 3.5 54 29 24079 60 28 -24.2 -14.0 | 45 25 -18.0 -18.0 55 27 24384 85 23 -22.9 -2.0 | 70 18 -16.6 -6.0 56 22 25603 75 35 -33.8 -9.1 | 65 30 -27.5 -13.0 57 21 25908 70 33 -31.0 -11.3 | 58 29 -24.7 -15.3 58 20 26213 80 23 -22.7 -4.0 | 64 18 -16.4 -8.0 59 20 26350 90 23 -23.0 0.0 | 77 17 -16.7 -4.0 60 19 26518 70 26 -24.4 -8.9 | 55 22 -18.2 -12.9 61 18 26822 110 25 -23.5 8.6 | 105 18 -17.2 4.6 62 15 27432 85 26 -25.9 -2.3 | 72 21 -19.6 -6.3 63 14 27737 90 28 -28.0 0.0 | 80 22 -21.7 -4.0 Wind Parameters Mean winds (0-6000m): 92.4 at 9.9 knts Storm direction: 122.4 at 7.4 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -122.8 deg Storm rel helicity (0-3000m) pos: 12.6 neg: -95.7 tot: -83.1 m^2/s^2 ave: -27.7 10^-3 m/s^2 rel: -0.42 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 32.76 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 27 17 4 19| 0.0 15.0 15.0| 9.3 -21.8 -12.5 -25.0 -0.03| 19.2 -0.5 1000 21 18 360 20| 0.0 5.9 5.9| 9.3 -36.1 -26.8 -26.8 -0.13| 11.8 -1.5 1500 20 17 358 20| 1.6 3.9 5.6| 12.5 -38.6 -26.1 -17.4 -0.10| 9.5 -0.9 2000 21 15 357 18| 2.7 3.0 5.7| 12.6 -45.1 -32.5 -16.3 -0.14| 8.7 -1.2 2500 21 12 353 16| 2.2 1.9 4.1| 12.6 -56.4 -43.8 -17.5 -0.25| 8.4 -2.1 3000 23 11 352 14| 1.8 1.0 2.8| 12.6 -95.7 -83.1 -27.7 -0.42| 9.8 -4.2 4000 45 12 10 13| 2.2 0.5 2.8| 28.3-107.9 -79.6 -19.9 -0.34| 9.5 -3.2 5000 76 11 35 8| 1.8 0.9 2.7| 32.6-108.2 -75.6 -15.1 -0.26| 8.5 -2.2 6000 92 10 45 5| 1.3 0.8 2.1| 38.5-108.6 -70.2 -11.7 -0.21| 7.6 -1.6 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251222.12.gif