UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 8 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 1004 85 22.0 21.0 94 1.0 21.3 110 1 294.8 297.6 294.3 340.0 15.78 1 1000 111 22.6 22.2 98 0.4 22.3 110 1 295.8 298.8 295.5 344.9 17.09 2 998 129 23.0 23.0 100 0.0 23.0 109 1 296.3 299.6 296.3 348.2 18.00 3 964 432 21.6 21.6 100 0.0 21.6 54 3 297.9 301.0 296.1 347.4 17.09 4 946 597 24.2 14.2 54 10.0 17.6 354 1 302.1 304.1 292.8 334.1 10.82 5 925 794 23.4 14.4 57 9.0 17.4 120 3 303.2 305.3 293.4 336.6 11.22 6 902 1014 22.2 17.5 75 4.7 18.9 114 4 304.2 306.8 295.8 346.1 14.09 7 850 1528 18.8 12.8 68 6.0 14.8 85 7 305.8 307.9 294.0 338.9 10.99 8 820 1836 17.0 10.0 63 7.0 12.6 70 9 307.1 308.9 293.2 335.7 9.44 9 749 2602 11.6 9.2 85 2.4 10.1 81 9 309.3 311.1 294.1 339.2 9.80 10 717 2966 9.4 6.5 82 2.9 7.6 84 9 310.8 312.4 293.6 336.9 8.50 11 700 3165 8.4 3.6 72 4.8 5.6 85 9 311.8 313.1 292.7 333.8 7.10 12 638 3927 5.4 -5.6 45 11.0 0.1 69 12 316.8 317.5 291.6 329.5 3.95 13 597 4467 2.0 -4.0 64 6.0 -1.0 96 14 318.9 319.8 292.9 334.3 4.77 14 565 4910 -0.3 -10.3 47 10.0 -4.6 124 13 321.2 321.9 292.1 331.5 3.09 15 533 5374 -3.1 -6.2 79 3.1 -4.6 115 9 323.3 324.2 293.9 338.2 4.52 16 530 5419 -2.5 -6.9 72 4.4 -4.6 118 9 324.5 325.4 294.0 338.8 4.30 17 504 5817 -4.3 -9.2 69 4.9 -6.5 141 6 327.1 327.8 294.3 339.8 3.78 18 500 5880 -4.9 -9.4 71 4.5 -6.9 145 6 327.1 327.8 294.3 339.7 3.75 19 463 6481 -9.5 -10.7 91 1.2 -10.0 100 5 328.6 329.3 294.6 341.0 3.66 20 400 7600 -16.1 -19.3 76 3.2 -17.1 20 5 334.1 334.5 294.7 341.4 2.08 21 373 8124 -19.5 -23.6 70 4.1 -20.7 93 7 336.3 336.6 294.7 341.8 1.53 22 353 8532 -22.7 -24.5 85 1.8 -23.2 115 8 337.3 337.6 295.0 342.7 1.49 23 335 8916 -24.5 -31.5 52 7.0 -25.9 114 10 340.0 340.1 295.0 343.0 0.82 24 309 9499 -29.7 -32.7 75 3.0 -30.2 57 10 340.6 340.8 295.2 343.6 0.79 25 300 9710 -31.1 -37.1 56 6.0 -32.0 45 12 341.5 341.7 295.2 343.6 0.53 26 286 10045 -33.1 -41.1 45 8.0 -34.1 49 12 343.4 343.5 295.5 344.8 0.37 27 250 10970 -41.3 -45.0 67 3.7 -41.6 55 10 344.7 344.7 295.7 345.8 0.28 28 210 12125 -50.9 -53.4 75 2.5 -51.0 73 15 347.3 347.3 296.1 347.8 0.13 29 200 12440 -53.7 -57.2 65 3.5 -53.8 70 18 347.7 347.7 296.2 348.1 0.08 30 191 12735 -56.5 -59.1 72 2.6 -56.6 71 20 347.8 347.9 296.2 348.1 0.07 31 157 13954 -65.9 -72.9 37 7.0 -66.0 88 28 351.9 351.9 297.1 352.0 0.01 32 150 14230 -68.3 -73.2 49 4.9 -68.4 85 33 352.4 352.4 297.2 352.5 0.01 33 145 14432 -70.1 -74.9 49 4.8 -70.1 83 30 352.7 352.7 297.3 352.8 0.01 34 142 14557 -70.5 -76.5 41 6.0 -70.5 81 27 354.2 354.2 297.5 354.2 0.01 35 139 14684 -69.5 -77.5 30 8.0 -69.5 79 24 358.1 358.1 298.3 358.1 0.01 36 111 15999 -77.5 -84.5 32 7.0 -77.5 263 20 366.9 366.9 300.0 366.9 0.00 37 101 16542 -75.7 -84.7 23 9.0 -75.7 328 18 380.4 380.4 302.3 380.4 0.00 38 100 16600 -75.7 -84.7 23 9.0 -75.7 340 23 381.5 381.5 302.5 381.5 0.00 39 82 17733 -81.7 -87.7 35 6.0 -81.7 105 8 391.5 391.5 304.0 391.5 0.00 40 80 17872 -78.9 -85.9 31 7.0 -78.9 94 10 400.0 400.0 305.2 400.0 0.00 41 78 18016 -80.1 -87.1 30 7.0 -80.1 100 11 400.4 400.4 305.3 400.4 0.00 42 70 18630 -79.7 -87.7 25 8.0 -79.7 220 3 413.9 413.9 307.0 413.9 0.00 43 68 18794 -80.1 -88.1 25 8.0 -80.1 204 8 416.5 416.5 307.3 416.5 0.00 44 62 19326 -72.7 -86.7 10 14.0 -72.8 305 16 444.0 444.0 310.3 444.0 0.00 45 56 19927 -69.7 -87.7 6 18.0 -69.8 316 11 464.0 464.0 312.1 464.0 0.00 46 52 20367 -70.7 -89.7 4 19.0 -70.8 357 12 471.6 471.6 312.8 471.6 0.00 47 50 20600 -70.1 -89.1 5 19.0 -70.2 75 26 478.3 478.3 313.3 478.3 0.00 48 48 20842 -70.3 -90.3 4 20.0 -70.5 76 22 483.4 483.4 313.7 483.4 0.00 49 47 20969 -65.5 -88.5 3 23.0 -65.8 83 29 497.9 497.9 314.8 497.9 0.00 50 44 21370 -65.3 -89.3 2 24.0 -65.6 80 42 507.8 507.8 315.5 507.9 0.00 51 43 21509 -65.7 -89.7 2 24.0 -66.0 94 41 510.2 510.2 315.7 510.2 0.00 52 42 21653 -62.5 -88.5 2 26.0 -63.0 104 41 521.6 521.6 316.4 521.6 0.00 53 39 22113 -59.5 -87.5 1 28.0 -60.3 93 50 540.3 540.3 317.5 540.4 0.00 54 35 22787 -61.5 -88.5 2 27.0 -62.1 99 52 552.1 552.1 318.2 552.1 0.00 55 30 23750 -57.7 -87.7 1 30.0 -58.9 75 51 587.3 587.3 320.0 587.4 0.01 56 28 24186 -56.5 -86.5 1 30.0 -57.9 76 51 602.4 602.4 320.7 602.4 0.01 57 25 24899 -59.9 -87.9 1 28.0 -61.0 86 53 612.5 612.5 321.2 612.5 0.01 58 21 26005 -52.9 -84.9 1 32.0 -55.5 95 50 664.9 664.9 323.2 665.0 0.01 59 20 26320 -51.9 -83.9 1 32.0 -54.8 95 47 677.3 677.3 323.7 677.4 0.02 60 15 28197 -48.9 -82.9 1 34.0 -53.5 98 45 745.4 745.4 325.8 745.6 0.03 TRP 82 17733 -81.7 -87.7 35 6.0 -81.7 105 8 391.5 391.5 304.0 391.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 569.17 mb = 4852.18 m = 15919.03 ft Wetbulb zero: 634.95 mb = 3966.22 m = 13012.37 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 68.14 % Est. max temperature: 32.91 C = 91.24 F Sfc-Lift cond lev (LCL): 989.76 mb = 201.08 m = 659.71 ft T: 22.66 C 700-500 lapse rate: 4.90 C/km ThetaE index: 14.12 C Layer 964.0- 925.0 mb Conv cond level (CCL): 807.24 mb = 1968.36 m = 6457.81 ft Mean mixing ratio: 14.36 g/kg Conv temperature: 34.68 C = 94.42 F Cap Strength: 4.09 C Lifted Index: 1.00 C Risk: Showers probable Lifted Index @300 mb: 1.63 C Lifted Index @700 mb: 0.06 C Showalter Index: 2.35 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: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 173.60 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.56 J/kg Max Up Vert Vel: 8.78 m/s Conv Inhibition (B-): 198.30 J/kg Cap Strength: 4.09 C Lift Cond Lev (LCL): 896.10 mb = 1070.66 m = 3512.63 ft Lev Free Conv (LFC): 541.10 mb = 5254.26 m = 17238.17 ft Equ Level (EL): 531.10 mb = 5402.72 m = 17725.26 ft B at Equ Level: 36.65 J/kg Max Parcel Lev (MPL): 401.10 mb = 7579.05 m = 24865.34 ft Wind level data Storm motion: 120 at 6 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 1004 85 110 1 -0.9 0.3 | 302 5 4.7 -2.9 1 1000 111 110 1 -0.9 0.3 | 302 5 4.7 -2.9 2 978 305 100 4 -3.9 0.7 | 327 3 1.7 -2.6 3 945 610 350 1 0.2 -1.0 | 306 7 5.8 -4.2 4 925 794 120 3 -2.6 1.5 | 300 3 3.0 -1.8 5 912 914 120 3 -2.6 1.5 | 300 3 3.0 -1.8 6 850 1528 85 7 -7.0 -0.6 | 20 4 -1.4 -3.9 7 791 2134 55 11 -9.0 -6.3 | 20 10 -3.4 -9.6 8 763 2438 80 9 -8.9 -1.6 | 34 6 -3.3 -4.8 9 700 3165 85 9 -9.0 -0.8 | 40 5 -3.4 -4.0 10 659 3658 65 10 -9.1 -4.2 | 25 8 -3.5 -7.5 11 611 4267 75 15 -14.5 -3.9 | 51 11 -8.9 -7.1 12 588 4572 110 14 -13.2 4.8 | 101 8 -7.6 1.5 13 566 4877 125 13 -10.6 7.5 | 130 7 -5.1 4.2 14 545 5182 105 10 -9.7 2.6 | 81 4 -4.1 -0.7 15 500 5880 145 6 -3.4 4.9 | 232 3 2.2 1.7 16 486 6096 145 7 -4.0 5.7 | 213 3 1.6 2.5 17 415 7315 0 0 -0.0 -0.0 | 300 6 5.6 -3.3 18 400 7600 20 5 -1.7 -4.7 | 334 9 3.9 -8.0 19 367 8230 110 7 -6.6 2.4 | 49 1 -1.0 -0.9 20 338 8839 120 10 -8.7 5.0 | 120 4 -3.1 1.7 21 311 9449 60 10 -8.7 -5.0 | 20 9 -3.1 -8.3 22 300 9710 45 12 -8.5 -8.5 | 14 12 -2.9 -11.7 23 298 9754 40 14 -9.0 -10.7 | 14 14 -3.4 -14.0 24 285 10058 50 12 -9.2 -7.7 | 18 12 -3.6 -11.0 25 273 10363 35 10 -5.7 -8.2 | 1 11 -0.1 -11.4 26 250 10970 55 10 -8.2 -5.7 | 16 9 -2.6 -9.0 27 250 10973 55 11 -9.0 -6.3 | 20 10 -3.4 -9.6 28 228 11582 50 12 -9.2 -7.7 | 18 12 -3.6 -11.0 29 218 11887 75 13 -12.6 -3.4 | 46 10 -7.0 -6.6 30 200 12440 70 18 -16.9 -6.2 | 50 15 -11.3 -9.4 31 171 13411 75 24 -23.2 -6.2 | 62 20 -17.6 -9.5 32 155 14021 90 29 -29.0 0.0 | 82 24 -23.4 -3.3 33 150 14230 85 33 -32.9 -2.9 | 77 28 -27.3 -6.1 34 148 14326 85 33 -32.9 -2.9 | 77 28 -27.3 -6.1 35 133 14935 75 17 -16.4 -4.4 | 55 13 -10.8 -7.7 36 126 15240 295 11 10.0 -4.6 | 297 17 15.6 -7.9 37 120 15545 275 17 16.9 -1.5 | 282 23 22.5 -4.7 38 114 15850 265 24 23.9 2.1 | 272 30 29.5 -1.2 39 108 16154 260 16 15.8 2.8 | 271 21 21.4 -0.5 40 102 16459 310 11 8.4 -7.1 | 306 17 14.0 -10.3 41 100 16600 340 23 7.9 -21.6 | 332 28 13.5 -24.9 42 97 16764 340 23 7.9 -21.6 | 332 28 13.5 -24.9 43 87 17374 330 11 5.5 -9.5 | 319 17 11.1 -12.8 44 82 17733 105 8 -7.7 2.1 | 61 2 -2.1 -1.2 45 78 17983 85 11 -11.0 -1.0 | 52 7 -5.4 -4.2 46 74 18288 220 11 7.1 8.4 | 248 14 12.7 5.2 47 70 18593 205 17 7.2 15.4 | 226 18 12.8 12.2 48 70 18630 220 3 1.9 2.3 | 277 8 7.5 -1.0 49 67 18898 195 11 2.8 10.6 | 229 11 8.4 7.4 50 63 19202 325 16 9.2 -13.1 | 318 22 14.8 -16.4 51 60 19507 280 17 16.7 -3.0 | 286 23 22.3 -6.2 52 57 19812 265 11 11.0 1.0 | 278 17 16.6 -2.3 53 54 20117 30 11 -5.5 -9.5 | 360 13 0.1 -12.8 54 52 20422 350 12 2.1 -11.8 | 333 17 7.7 -15.1 55 50 20600 75 26 -25.1 -6.7 | 63 22 -19.5 -10.0 56 49 20726 70 16 -15.0 -5.5 | 47 13 -9.4 -8.7 57 47 21031 85 31 -30.9 -2.7 | 77 26 -25.3 -6.0 58 44 21336 75 42 -40.6 -10.9 | 68 38 -35.0 -14.1 59 42 21641 105 40 -38.6 10.4 | 102 34 -33.0 7.1 60 38 22250 90 53 -53.0 0.0 | 86 48 -47.4 -3.3 61 35 22860 100 52 -51.2 9.0 | 97 46 -45.6 5.8 62 30 23750 75 51 -49.3 -13.2 | 69 47 -43.7 -16.5 63 28 24079 75 51 -49.3 -13.2 | 69 47 -43.7 -16.5 64 22 25603 95 55 -54.8 4.8 | 92 49 -49.2 1.5 65 20 26320 95 47 -46.8 4.1 | 91 41 -41.2 0.8 66 12 28042 100 44 -43.3 7.6 | 97 38 -37.7 4.4 67 11 28346 90 43 -43.0 0.0 | 85 38 -37.4 -3.3 Wind Parameters Mean winds (0-6000m): 90.2 at 8.6 knts Storm direction: 120.2 at 6.5 knts Shear (0-3000m) pos: 1.5 neg: 1.7 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 11.5 neg: -6.6 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.65 Bulk Shear: 5.04 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 92 2 315 4| 0.0 1.9 1.9| 2.1 -3.9 -1.8 -3.6 -0.05| 8.2 -0.4 1000 104 3 310 4| 2.4 1.0 3.4| 4.3 -5.3 -1.0 -1.0 0.01| 7.0 0.1 1500 96 4 326 3| 1.6 1.6 3.2| 6.6 -5.3 1.2 0.8 0.18| 6.2 1.1 2000 82 5 351 4| 1.2 2.5 3.7| 6.9 -6.6 0.3 0.2 0.12| 6.0 0.7 2500 77 6 3 5| 1.6 2.0 3.6| 10.9 -6.6 4.4 1.8 0.18| 5.7 1.0 3000 79 6 10 5| 1.5 1.7 3.1| 11.5 -6.6 4.9 1.6 0.19| 4.8 0.9 4000 76 8 19 5| 1.3 1.6 2.9| 18.7 -9.2 9.5 2.4 0.19| 4.5 0.9 5000 84 9 37 5| 1.6 1.3 2.9| 48.5 -13.3 35.2 7.0 0.32| 5.4 1.7 6000 90 9 43 4| 1.5 1.1 2.5| 51.7 -15.5 36.1 6.0 0.32| 5.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251008.12.gif