UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 2 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 64 1 925 753 SFC 908 908 20.4 18.4 88 2.0 19.0 360 3 301.8 304.5 295.6 345.5 14.83 3 860 1382 18.2 15.7 85 2.5 16.5 307 19 304.2 306.6 295.1 343.4 13.16 4 850 1484 19.2 13.2 68 6.0 15.3 295 22 306.3 308.4 294.4 340.2 11.29 5 849 1494 19.2 13.2 68 6.0 15.3 295 22 306.4 308.5 294.4 340.4 11.30 6 727 2810 9.6 8.8 95 0.8 9.1 236 17 309.7 311.6 294.3 339.8 9.83 7 700 3125 7.8 4.7 81 3.1 6.0 220 22 311.1 312.6 293.0 334.8 7.67 8 679 3376 6.0 3.6 85 2.4 4.6 229 19 311.8 313.2 292.9 334.5 7.32 9 673 3448 6.4 1.4 70 5.0 3.7 232 18 313.1 314.3 292.4 332.8 6.30 10 669 3497 6.4 1.5 71 4.9 3.7 234 17 313.6 314.8 292.7 333.6 6.39 11 627 4026 3.2 1.9 91 1.3 2.5 256 13 315.8 317.2 293.8 338.0 7.02 12 596 4436 1.0 -5.0 64 6.0 -1.9 257 17 317.9 318.7 292.3 332.2 4.43 13 579 4669 -0.5 -5.3 70 4.8 -2.8 252 18 318.8 319.6 292.6 333.2 4.45 14 573 4752 -0.9 -1.9 93 1.0 -1.4 250 18 319.3 320.4 293.8 337.9 5.82 15 567 4836 -0.9 -6.9 64 6.0 -3.7 249 18 320.2 321.0 292.6 333.3 4.02 16 563 4893 -1.5 -3.6 86 2.1 -2.6 248 18 320.2 321.2 293.6 337.0 5.21 17 553 5035 -2.5 -6.9 72 4.4 -4.6 245 19 320.6 321.4 292.8 334.1 4.12 18 552 5050 -2.5 -10.5 54 8.0 -5.9 244 19 320.8 321.4 292.0 331.1 3.11 19 550 5078 -2.3 -15.3 36 13.0 -7.2 244 19 321.4 321.8 291.3 328.5 2.11 20 547 5122 -2.9 -4.6 88 1.7 -3.7 243 19 321.1 322.1 293.6 337.3 4.98 21 528 5402 -4.1 -6.1 86 2.0 -5.1 237 21 323.0 323.9 293.9 338.1 4.60 22 522 5492 -4.5 -13.5 49 9.0 -8.1 235 21 323.5 324.1 292.3 332.2 2.58 23 502 5799 -6.5 -9.9 77 3.4 -7.9 253 27 324.7 325.5 293.5 336.7 3.59 24 500 5830 -6.5 -10.9 71 4.4 -8.4 255 28 325.1 325.8 293.4 336.3 3.33 25 459 6492 -10.5 -15.4 67 4.9 -12.3 250 23 328.2 328.7 293.5 336.8 2.51 26 456 6543 -9.1 -18.1 48 9.0 -12.3 256 23 330.5 330.9 293.7 337.6 2.02 27 447 6696 -9.9 -20.9 40 11.0 -13.5 273 21 331.4 331.7 293.6 337.2 1.62 28 400 7540 -17.1 -23.1 60 6.0 -18.8 280 21 332.8 333.1 293.9 338.1 1.49 29 367 8179 -22.7 -26.4 72 3.7 -23.6 289 17 333.6 333.8 293.8 338.0 1.21 30 356 8402 -24.3 -25.4 91 1.1 -24.6 285 19 334.4 334.6 294.1 339.3 1.36 31 353 8464 -24.3 -27.5 75 3.2 -25.0 283 20 335.2 335.4 294.1 339.3 1.13 32 348 8568 -25.3 -27.2 84 1.9 -25.7 279 21 335.2 335.4 294.2 339.5 1.18 33 300 9630 -32.9 -35.0 81 2.1 -33.2 285 34 339.0 339.1 294.7 341.5 0.65 34 278 10163 -36.7 -40.2 70 3.5 -37.1 286 33 341.0 341.1 295.0 342.6 0.41 35 250 10890 -42.7 -46.2 68 3.5 -43.0 280 38 342.6 342.6 295.2 343.6 0.24 36 221 11712 -49.5 -53.2 65 3.7 -49.7 268 41 344.4 344.4 295.5 344.9 0.12 37 200 12360 -54.7 -60.7 47 6.0 -54.9 265 52 346.1 346.2 295.8 346.4 0.05 38 195 12521 -56.1 -62.1 47 6.0 -56.2 263 57 346.4 346.4 295.9 346.6 0.05 39 175 13202 -60.3 -65.6 50 5.2 -60.4 255 78 350.3 350.4 296.7 350.5 0.03 40 169 13418 -61.7 -66.7 51 5.0 -61.8 255 78 351.6 351.6 297.0 351.7 0.03 41 160 13758 -60.1 -78.1 8 18.0 -60.3 248 63 359.8 359.8 298.7 359.9 0.01 42 156 13916 -59.7 -77.7 8 18.0 -59.9 245 56 363.1 363.1 299.3 363.2 0.01 43 150 14160 -60.9 -80.9 5 20.0 -61.1 240 46 365.2 365.2 299.7 365.2 0.00 44 100 16580 -75.7 -88.7 11 13.0 -75.7 230 26 381.5 381.5 302.5 381.5 0.00 45 91 17123 -78.1 -89.1 15 11.0 -78.1 260 14 387.1 387.1 303.3 387.1 0.00 46 82 17717 -78.9 -88.9 18 10.0 -78.9 232 12 397.2 397.2 304.8 397.2 0.00 47 73 18386 -74.7 -87.7 12 13.0 -74.7 313 12 419.5 419.5 307.7 419.5 0.00 48 70 18630 -75.7 -88.7 11 13.0 -75.7 10 5 422.4 422.4 308.0 422.4 0.00 49 66 18973 -75.1 -89.1 10 14.0 -75.2 344 3 430.9 430.9 308.9 430.9 0.00 50 50 20640 -62.9 -88.9 2 26.0 -63.3 175 7 495.3 495.3 314.6 495.3 0.00 51 49 20764 -62.7 -88.7 2 26.0 -63.1 164 7 498.6 498.6 314.8 498.6 0.00 52 41 21853 -65.7 -89.7 2 24.0 -66.0 86 10 517.2 517.2 316.1 517.2 0.00 53 31 23592 -55.3 -86.3 1 31.0 -56.8 105 16 588.3 588.3 320.0 588.4 0.01 54 30 23800 -56.3 -86.3 1 30.0 -57.7 75 12 591.2 591.2 320.2 591.2 0.01 55 27 24467 -57.5 -87.5 1 30.0 -58.8 97 14 605.9 605.9 320.9 605.9 0.01 56 20 26370 -55.7 -86.7 1 31.0 -57.8 90 13 665.7 665.7 323.3 665.8 0.01 57 19 26697 -55.5 -86.5 1 31.0 -57.7 93 12 676.1 676.1 323.6 676.2 0.01 58 16 27813 -47.5 -82.5 1 35.0 -52.4 105 9 736.3 736.3 325.6 736.5 0.03 59 13 29188 -46.5 -82.5 1 36.0 -52.5 111 13 784.8 784.8 326.8 785.1 0.03 TRP 91 17123 -78.1 -89.1 15 11.0 -78.1 260 14 387.1 387.1 303.3 387.1 0.00 WND 175 13202 -60.3 -65.6 50 5.2 -60.4 255 78 350.3 350.4 296.7 350.5 0.03 Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 584.67 mb = 4591.11 m = 15062.52 ft Wetbulb zero: 609.50 mb = 4255.24 m = 13960.59 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 79.18 % Est. max temperature: 27.31 C = 81.15 F Sfc-Lift cond lev (LCL): 881.91 mb = 1162.49 m = 3813.91 ft T: 19.22 C 700-500 lapse rate: 5.29 C/km ThetaE index: 7.56 C Layer 727.0- 669.0 mb Conv cond level (CCL): 772.04 mb = 2300.46 m = 7547.33 ft Mean mixing ratio: 12.55 g/kg Conv temperature: 26.92 C = 80.46 F Cap Strength: 2.32 C Lifted Index: -0.72 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.22 C Lifted Index @700 mb: -0.60 C Showalter Index: 0.22 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 19.70 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 230.40 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 207.53 J/kg Max Up Vert Vel: 20.37 m/s Conv Inhibition (B-): 57.65 J/kg Cap Strength: 2.32 C Lift Cond Lev (LCL): 811.79 mb = 1874.43 m = 6149.62 ft Lev Free Conv (LFC): 726.79 mb = 2812.82 m = 9228.31 ft Equ Level (EL): 456.79 mb = 6529.31 m = 21421.37 ft B at Equ Level: 128.74 J/kg Max Parcel Lev (MPL): 186.79 mb = 12791.67 m = 41966.90 ft Wind level data Storm motion: 283 at 14 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 ---------------------------------------------------------- 0 908 908 360 3 -0.0 -3.0 | 90 13 -13.2 0.0 1 850 1484 295 22 19.9 -9.3 | 313 9 6.7 -6.3 2 846 1524 295 23 20.8 -9.7 | 311 10 7.6 -6.7 3 816 1829 275 15 14.9 -1.3 | 226 2 1.7 1.7 4 787 2134 300 7 6.1 -3.5 | 86 7 -7.1 -0.5 5 759 2438 260 8 7.9 1.4 | 129 7 -5.3 4.4 6 706 3048 220 23 14.8 17.6 | 184 21 1.6 20.6 7 700 3125 220 22 14.1 16.9 | 183 20 0.9 19.9 8 655 3658 240 15 13.0 7.5 | 179 11 -0.2 10.5 9 631 3962 255 13 12.6 3.4 | 174 6 -0.7 6.4 10 607 4267 260 16 15.8 2.8 | 204 6 2.5 5.8 11 522 5486 235 21 17.2 12.0 | 195 16 4.0 15.0 12 500 5830 255 28 27.0 7.2 | 233 17 13.8 10.2 13 483 6096 250 30 28.2 10.3 | 228 20 15.0 13.3 14 464 6401 240 24 20.8 12.0 | 207 17 7.6 15.0 15 446 6706 275 21 20.9 -1.8 | 261 8 7.7 1.2 16 412 7315 290 26 24.4 -8.9 | 298 13 11.2 -5.9 17 400 7540 280 21 20.7 -3.6 | 275 8 7.5 -0.6 18 396 7620 280 21 20.7 -3.6 | 275 8 7.5 -0.6 19 364 8230 290 17 16.0 -5.8 | 315 4 2.8 -2.8 20 334 8839 270 25 25.0 -0.0 | 256 12 11.8 3.0 21 300 9630 285 34 32.8 -8.8 | 286 20 19.6 -5.8 22 295 9754 290 31 29.1 -10.6 | 296 18 15.9 -7.6 23 250 10890 280 38 37.4 -6.6 | 278 24 24.2 -3.6 24 205 12192 260 43 42.3 7.5 | 250 31 29.1 10.5 25 200 12360 265 52 51.8 4.5 | 259 39 38.6 7.5 26 175 13202 255 78 75.3 20.2 | 250 66 62.1 23.2 27 169 13411 255 78 75.3 20.2 | 250 66 62.1 23.2 28 150 14160 240 46 39.8 23.0 | 226 37 26.6 26.0 29 146 14326 240 41 35.5 20.5 | 223 32 22.3 23.5 30 132 14935 240 33 28.6 16.5 | 218 25 15.4 19.5 31 113 15850 280 18 17.7 -3.1 | 272 5 4.5 -0.1 32 100 16580 230 26 19.9 16.7 | 199 21 6.7 19.7 33 97 16764 230 26 19.9 16.7 | 199 21 6.7 19.7 34 91 17123 260 14 13.8 2.4 | 186 5 0.6 5.4 35 87 17374 260 15 14.8 2.6 | 196 6 1.6 5.6 36 78 17983 210 10 5.0 8.7 | 145 14 -8.2 11.7 37 74 18288 325 13 7.5 -10.6 | 37 10 -5.8 -7.6 38 70 18593 290 10 9.4 -3.4 | 84 4 -3.8 -0.4 39 70 18630 10 5 -0.9 -4.9 | 82 14 -14.1 -1.9 40 60 19507 305 1 0.8 -0.6 | 101 13 -12.4 2.4 41 55 20117 170 10 -1.7 9.8 | 131 20 -14.9 12.9 42 50 20640 175 7 -0.6 7.0 | 126 17 -13.8 10.0 43 43 21641 90 10 -10.0 0.0 | 97 23 -23.2 3.0 44 37 22555 75 12 -11.6 -3.1 | 90 25 -24.8 -0.1 45 30 23774 110 17 -16.0 5.8 | 107 30 -29.2 8.8 46 30 23800 75 12 -11.6 -3.1 | 90 25 -24.8 -0.1 47 29 24079 70 12 -11.3 -4.1 | 87 25 -24.5 -1.1 48 27 24384 105 12 -11.6 3.1 | 104 26 -24.8 6.1 49 26 24689 75 18 -17.4 -4.7 | 87 31 -30.6 -1.7 50 25 24994 90 15 -15.0 0.0 | 96 28 -28.2 3.0 51 24 25298 70 14 -13.2 -4.8 | 86 26 -26.4 -1.8 52 23 25603 100 12 -11.8 2.1 | 101 26 -25.0 5.1 53 21 26213 65 20 -18.1 -8.5 | 80 32 -31.3 -5.4 54 20 26370 90 13 -13.0 0.0 | 97 26 -26.2 3.0 55 16 27127 105 9 -8.7 2.3 | 104 23 -21.9 5.3 56 13 27737 120 12 -10.4 6.0 | 111 25 -23.6 9.0 57 12 28042 95 14 -13.9 1.2 | 99 27 -27.2 4.2 58 10 28651 125 24 -19.7 13.8 | 117 37 -32.9 16.8 59 9 28956 110 21 -19.7 7.2 | 107 34 -32.9 10.2 60 9 29261 120 19 -16.5 9.5 | 113 32 -29.7 12.5 Wind Parameters Mean winds (0-6000m): 252.8 at 18.1 knts Storm direction: 282.8 at 13.5 knts Shear (0-3000m) pos: 1.5 neg: 3.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 86.1 deg Storm rel helicity (0-3000m) pos: 26.5 neg: -79.9 tot: -53.4 m^2/s^2 ave: -17.8 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 13.9 stream: -4.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 8.26 Bulk Shear: 25.12 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 ------------------------------------------------------------------------------- 500 302 11 51 5| 0.0 18.5 18.5| 0.0 -52.0 -52.0 -103.9 -0.96| 20.9-20.2 1000 294 15 349 3| 0.0 6.5 6.5| 0.0 -70.7 -70.7 -70.7 -0.87| 19.6-17.1 1500 291 13 36 2| 0.0 3.0 3.0| 7.7 -71.1 -63.4 -42.3 -0.62| 16.8-10.4 2000 278 13 163 1| 0.0 5.6 5.6| 25.3 -71.1 -45.8 -22.9 -0.35| 16.3 -5.6 2500 261 15 193 5| 0.3 4.5 4.7| 26.5 -75.9 -49.4 -19.8 -0.31| 15.0 -4.7 3000 256 15 190 7| 1.5 3.7 5.2| 26.5 -79.9 -53.4 -17.8 -0.30| 13.9 -4.1 4000 256 15 192 7| 1.2 3.2 4.4| 31.6 -81.1 -49.6 -12.4 -0.24| 11.4 -2.8 5000 252 17 197 9| 1.7 2.9 4.7| 75.2 -85.1 -9.9 -2.0 -0.12| 10.8 -1.3 6000 253 18 206 9| 2.6 2.5 5.1|112.0-123.1 -11.1 -1.9 -0.06| 11.2 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251202.00.gif