UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 7 OCT 25 Station: SBTT WMO ident: 82411 Latitude: -4.25 Longitude: -69.94 Elevation: 85.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1002 85 23.0 21.0 89 2.0 21.6 350 1 296.0 298.8 294.7 341.5 15.81 1 1000 101 23.4 21.6 90 1.8 22.1 270 1 296.5 299.5 295.3 344.0 16.46 2 996 136 24.4 23.0 92 1.4 23.4 275 2 297.9 301.2 296.7 350.3 18.04 3 956 498 26.0 19.0 65 7.0 21.1 10 4 303.0 305.7 295.8 346.3 14.62 4 925 788 24.0 19.0 74 5.0 20.5 40 6 303.8 306.6 296.4 348.8 15.12 5 850 1523 17.8 17.4 98 0.4 17.5 65 8 304.8 307.6 296.4 349.2 14.87 6 834 1686 16.6 16.0 96 0.6 16.2 62 8 305.2 307.8 295.8 346.6 13.85 7 700 3162 8.4 5.5 82 2.9 6.7 110 7 311.8 313.3 293.6 336.9 8.12 8 657 3683 5.6 1.3 74 4.3 3.2 124 10 314.3 315.6 292.9 334.5 6.41 9 635 3960 3.8 0.4 78 3.4 2.0 97 13 315.4 316.6 293.0 335.0 6.22 10 584 4637 1.6 -18.4 21 20.0 -5.6 113 20 320.4 320.7 290.5 325.7 1.53 11 571 4818 0.4 -28.6 9 29.0 -7.8 107 19 321.1 321.2 289.8 323.4 0.63 12 550 5117 -1.7 -16.7 31 15.0 -7.2 98 17 322.1 322.4 291.3 328.5 1.88 13 529 5426 -2.9 -30.9 9 28.0 -10.2 99 20 324.2 324.3 290.6 326.2 0.55 14 525 5486 -3.5 -14.5 42 11.0 -7.8 100 21 324.2 324.7 292.3 332.2 2.37 15 514 5653 -4.9 -9.1 72 4.2 -6.8 100 17 324.5 325.2 293.6 336.9 3.74 16 511 5699 -4.7 -23.7 21 19.0 -10.5 100 16 325.3 325.5 291.5 329.2 1.10 17 503 5823 -5.5 -12.5 58 7.0 -8.4 100 14 325.8 326.4 293.2 335.6 2.91 18 500 5870 -5.9 -12.9 58 7.0 -8.7 100 14 325.8 326.4 293.2 335.4 2.83 19 496 5933 -6.3 -15.3 49 9.0 -9.7 105 14 326.1 326.6 292.8 334.1 2.35 20 486 6092 -7.1 -11.6 70 4.5 -9.0 119 15 327.0 327.7 293.8 338.0 3.24 21 458 6554 -10.1 -14.8 68 4.7 -11.9 99 12 328.9 329.4 293.8 338.0 2.65 22 452 6655 -10.3 -22.3 37 12.0 -14.0 84 13 329.9 330.2 293.0 334.9 1.41 23 431 7022 -11.9 -37.9 10 26.0 -17.1 55 16 332.4 332.4 292.7 333.6 0.34 24 416 7292 -13.7 -29.7 25 16.0 -17.6 53 14 333.4 333.6 293.4 336.3 0.78 25 409 7421 -14.5 -21.5 55 7.0 -16.7 51 13 334.0 334.4 294.3 340.0 1.68 26 400 7590 -15.7 -22.7 55 7.0 -17.8 50 12 334.6 334.9 294.3 340.1 1.54 27 394 7704 -16.7 -22.7 60 6.0 -18.5 49 12 334.7 335.0 294.4 340.4 1.57 28 388 7820 -17.3 -28.3 38 11.0 -20.0 55 12 335.4 335.6 294.0 338.9 0.96 29 363 8315 -22.1 -24.8 79 2.7 -22.8 70 12 335.4 335.7 294.4 340.5 1.41 30 334 8926 -24.9 -31.9 52 7.0 -26.3 67 12 339.7 339.9 295.0 342.7 0.79 31 327 9080 -25.5 -43.5 17 18.0 -27.9 83 14 340.9 341.0 294.8 341.9 0.25 32 300 9700 -30.5 -47.5 17 17.0 -32.3 120 12 342.4 342.4 295.1 343.1 0.17 33 279 10212 -33.5 -52.5 13 19.0 -35.0 101 12 345.3 345.3 295.7 345.7 0.11 34 250 10970 -40.3 -64.3 6 24.0 -41.3 105 9 346.2 346.2 295.8 346.3 0.03 35 248 11024 -40.7 -64.7 6 24.0 -41.7 90 7 346.4 346.4 295.8 346.5 0.03 36 226 11645 -46.3 -58.3 24 12.0 -46.8 94 10 347.1 347.1 296.1 347.4 0.06 37 200 12440 -52.9 -66.9 17 14.0 -53.2 80 14 349.0 349.0 296.4 349.1 0.02 38 193 12669 -55.1 -70.1 14 15.0 -55.4 81 16 349.0 349.1 296.4 349.1 0.02 39 180 13111 -59.1 -66.1 40 7.0 -59.2 82 19 349.5 349.6 296.5 349.7 0.03 40 150 14230 -68.3 -73.3 49 5.0 -68.4 85 28 352.4 352.4 297.2 352.5 0.01 41 146 14392 -69.9 -74.0 55 4.1 -69.9 85 28 352.4 352.4 297.1 352.4 0.01 42 131 15033 -74.1 -80.1 39 6.0 -74.1 84 27 356.0 356.0 297.9 356.0 0.00 43 125 15308 -72.9 -79.9 34 7.0 -72.9 78 17 363.0 363.0 299.3 363.0 0.01 44 108 16158 -77.9 -84.9 31 7.0 -77.9 265 20 369.0 369.0 300.4 369.0 0.00 45 100 16600 -76.9 -85.9 22 9.0 -76.9 325 29 379.1 379.1 302.1 379.2 0.00 46 78 18011 -81.3 -88.3 30 7.0 -81.3 248 12 397.9 397.9 304.9 398.0 0.00 47 72 18461 -81.3 -88.3 30 7.0 -81.3 253 13 407.2 407.2 306.2 407.2 0.00 48 70 18620 -79.3 -87.3 26 8.0 -79.3 245 16 414.7 414.7 307.1 414.7 0.00 49 61 19413 -75.5 -88.5 11 13.0 -75.6 291 11 439.8 439.8 309.8 439.8 0.00 50 56 19920 -68.1 -89.1 3 21.0 -68.3 285 10 467.6 467.6 312.4 467.6 0.00 51 50 20600 -69.9 -90.9 3 21.0 -70.1 110 14 478.8 478.8 313.4 478.8 0.00 52 45 21226 -71.1 -92.1 3 21.0 -71.2 110 30 490.5 490.5 314.2 490.5 0.00 53 43 21499 -65.5 -90.5 2 25.0 -65.8 89 39 510.7 510.7 315.7 510.7 0.00 54 38 22243 -69.7 -93.7 2 24.0 -69.9 78 45 518.4 518.4 316.2 518.4 0.00 55 36 22569 -64.7 -91.7 1 27.0 -65.1 76 50 539.4 539.4 317.5 539.4 0.00 56 34 22919 -63.7 -91.7 1 28.0 -64.2 76 54 550.9 550.9 318.2 550.9 0.00 57 31 23494 -58.1 -90.1 1 32.0 -59.2 86 55 580.8 580.8 319.7 580.8 0.00 58 30 23700 -58.5 -89.5 1 31.0 -59.6 90 55 585.2 585.2 319.9 585.2 0.00 59 27 24368 -54.9 -88.9 1 34.0 -56.6 90 53 613.2 613.2 321.2 613.2 0.01 TRP 108 16158 -77.9 -84.9 31 7.0 -77.9 265 20 369.0 369.0 300.4 369.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 567.00 mb = 4874.84 m = 15993.36 ft Wetbulb zero: 621.82 mb = 4129.58 m = 13548.34 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 67.54 % Est. max temperature: 31.79 C = 89.23 F Sfc-Lift cond lev (LCL): 973.45 mb = 338.10 m = 1109.25 ft T: 25.29 C 700-500 lapse rate: 5.28 C/km ThetaE index: 14.69 C Layer 834.0- 635.0 mb Conv cond level (CCL): 855.42 mb = 1467.75 m = 4815.39 ft Mean mixing ratio: 15.60 g/kg Conv temperature: 31.75 C = 89.14 F Cap Strength: 2.20 C Lifted Index: -2.29 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.11 C Lifted Index @700 mb: -1.70 C Showalter Index: -2.64 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.30 C K Index: 38.20 Risk: > 80 % chance of thunderstorms Sweat Index: 238.80 Risk: None Energy Index: -2.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 552.57 J/kg Max Up Vert Vel: 33.24 m/s Conv Inhibition (B-): 55.12 J/kg Cap Strength: 2.20 C Lift Cond Lev (LCL): 889.16 mb = 1131.48 m = 3712.18 ft Lev Free Conv (LFC): 824.16 mb = 1785.90 m = 5859.18 ft Equ Level (EL): 274.16 mb = 10332.62 m = 33899.25 ft B at Equ Level: 550.03 J/kg Max Parcel Lev (MPL): 114.16 mb = 15835.21 m = 51952.17 ft Wind level data Storm motion: 124 at 8 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 1002 85 350 1 0.2 -1.0 | 309 9 6.8 -5.5 1 1000 101 270 1 1.0 -0.0 | 301 9 7.6 -4.5 2 977 305 300 5 4.3 -2.5 | 303 13 11.0 -7.0 3 944 610 50 4 -3.1 -2.6 | 333 8 3.6 -7.1 4 925 788 40 6 -3.9 -4.6 | 343 10 2.8 -9.1 5 912 914 60 4 -3.5 -2.0 | 334 7 3.2 -6.5 6 850 1523 65 8 -7.3 -3.4 | 4 8 -0.6 -7.9 7 791 2134 55 9 -7.4 -5.2 | 4 10 -0.7 -9.7 8 763 2438 50 5 -3.8 -3.2 | 340 8 2.8 -7.7 9 700 3162 110 7 -6.6 2.4 | 358 2 0.1 -2.1 10 684 3353 105 11 -10.6 2.8 | 67 4 -4.0 -1.7 11 658 3658 125 10 -8.2 5.7 | 128 2 -1.6 1.2 12 634 3962 95 13 -13.0 1.1 | 62 7 -6.3 -3.4 13 610 4267 105 14 -13.5 3.6 | 83 7 -6.9 -0.9 14 588 4572 115 20 -18.1 8.5 | 109 12 -11.5 4.0 15 545 5182 95 17 -16.9 1.5 | 74 11 -10.3 -3.0 16 524 5486 100 21 -20.7 3.6 | 87 14 -14.0 -0.9 17 505 5791 100 14 -13.8 2.4 | 74 7 -7.2 -2.1 18 500 5870 100 14 -13.8 2.4 | 74 7 -7.2 -2.1 19 486 6096 120 15 -13.0 7.5 | 115 7 -6.4 3.0 20 467 6401 120 11 -9.5 5.5 | 109 3 -2.9 1.0 21 449 6706 75 13 -12.6 -3.4 | 37 10 -5.9 -7.9 22 431 7010 55 16 -13.1 -9.2 | 25 15 -6.5 -13.7 23 400 7590 50 12 -9.2 -7.7 | 12 12 -2.6 -12.2 24 398 7620 45 12 -8.5 -8.5 | 8 13 -1.9 -13.0 25 367 8230 75 12 -11.6 -3.1 | 33 9 -5.0 -7.6 26 352 8534 55 12 -9.8 -6.9 | 16 12 -3.2 -11.4 27 337 8839 60 12 -10.4 -6.0 | 20 11 -3.8 -10.5 28 310 9449 120 16 -13.9 8.0 | 116 8 -7.2 3.5 29 300 9700 120 12 -10.4 6.0 | 112 4 -3.8 1.5 30 298 9754 120 13 -11.3 6.5 | 113 5 -4.6 2.0 31 285 10058 100 13 -12.8 2.3 | 70 7 -6.2 -2.2 32 250 10970 105 9 -8.7 2.3 | 43 3 -2.1 -2.2 33 250 10973 90 7 -7.0 0.0 | 5 5 -0.4 -4.5 34 218 11887 95 11 -11.0 1.0 | 51 6 -4.3 -3.5 35 208 12192 70 18 -16.9 -6.2 | 44 15 -10.3 -10.7 36 200 12440 80 14 -13.8 -2.4 | 46 10 -7.2 -6.9 37 150 14230 85 28 -27.9 -2.4 | 72 22 -21.3 -6.9 38 133 14935 85 30 -29.9 -2.6 | 73 24 -23.3 -7.1 39 126 15240 80 19 -18.7 -3.3 | 57 14 -12.1 -7.8 40 120 15545 70 11 -10.3 -3.8 | 24 9 -3.7 -8.3 41 114 15850 275 12 12.0 -1.0 | 287 19 18.6 -5.5 42 108 16154 270 24 24.0 -0.0 | 278 31 30.6 -4.5 43 108 16158 265 20 19.9 1.7 | 276 27 26.6 -2.8 44 102 16459 265 18 17.9 1.6 | 277 25 24.6 -2.9 45 100 16600 325 29 16.6 -23.8 | 321 37 23.3 -28.3 46 97 16764 325 28 16.1 -22.9 | 320 36 22.7 -27.4 47 92 17069 320 24 15.4 -18.4 | 316 32 22.1 -22.9 48 87 17374 270 21 21.0 -0.0 | 279 28 27.6 -4.5 49 83 17678 250 21 19.7 7.2 | 264 27 26.4 2.7 50 78 17983 250 12 11.3 4.1 | 271 18 17.9 -0.4 51 74 18288 225 8 5.7 5.7 | 265 12 12.3 1.2 52 70 18593 275 16 15.9 -1.4 | 285 23 22.6 -5.9 53 70 18620 245 16 14.5 6.8 | 264 21 21.1 2.3 54 67 18898 250 23 21.6 7.9 | 263 28 28.2 3.4 55 63 19202 235 15 12.3 8.6 | 258 19 18.9 4.1 56 60 19507 310 10 7.7 -6.4 | 307 18 14.3 -10.9 57 57 19812 295 12 10.9 -5.1 | 299 20 17.5 -9.6 58 52 20422 245 1 0.9 0.4 | 298 9 7.5 -4.1 59 50 20600 110 14 -13.2 4.8 | 93 7 -6.5 0.3 60 49 20726 110 10 -9.4 3.4 | 69 3 -2.8 -1.1 61 47 21031 125 23 -18.8 13.2 | 125 15 -12.2 8.7 62 42 21641 80 43 -42.3 -7.5 | 71 38 -35.7 -12.0 63 40 21946 80 40 -39.4 -6.9 | 71 35 -32.8 -11.4 64 34 22860 75 54 -52.2 -14.0 | 68 49 -45.5 -18.5 65 30 23700 90 55 -55.0 0.0 | 85 49 -48.4 -4.5 66 23 24689 90 51 -51.0 0.0 | 84 45 -44.4 -4.5 Wind Parameters Mean winds (0-6000m): 94.2 at 10.7 knts Storm direction: 124.2 at 8.0 knts Shear (0-3000m) pos: 1.3 neg: 0.3 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 50.4 deg Storm rel helicity (0-3000m) pos: 34.4 neg: -14.5 tot: 19.9 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 1.3 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 22.96 Bulk Shear: 24.06 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 ------------------------------------------------------------------------------- 500 323 4 310 12| 3.6 0.0 3.6| 20.6 -4.3 16.4 32.7 0.40| 13.1 5.2 1000 22 4 329 10| 2.5 0.0 2.5| 25.7 -6.2 19.5 19.5 0.37| 9.2 3.4 1500 46 5 340 9| 2.7 0.0 2.7| 31.4 -6.2 25.2 16.8 0.45| 7.2 3.2 2000 52 6 347 8| 2.0 0.4 2.4| 31.4 -6.3 25.1 12.6 0.42| 5.8 2.4 2500 52 6 348 8| 1.0 0.3 1.3| 32.4 -14.5 17.8 7.1 0.23| 5.6 1.3 3000 58 6 350 8| 1.3 0.3 1.6| 34.4 -14.5 19.9 6.6 0.24| 5.4 1.3 4000 79 7 5 6| 1.5 0.8 2.3| 40.0 -18.6 21.4 5.4 0.23| 5.9 1.4 5000 91 9 32 5| 2.0 1.1 3.1| 52.9 -35.9 17.0 3.4 0.17| 6.2 1.1 6000 94 11 47 5| 1.8 0.9 2.7| 70.7 -44.7 25.9 4.3 0.19| 6.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251007.12.gif