UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 20 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 25.0 22.0 83 3.0 22.9 150 3 298.0 301.0 296.0 346.9 16.84 1 1000 100 25.2 22.1 83 3.1 23.0 150 3 298.4 301.4 296.1 347.8 16.98 2 982 260 25.4 22.4 83 3.0 23.2 80 2 300.1 303.3 297.0 351.8 17.63 3 956 497 26.4 16.4 54 10.0 19.6 32 2 303.4 305.7 294.4 340.1 12.36 4 925 788 24.8 15.8 57 9.0 18.7 285 1 304.7 306.9 294.7 341.4 12.29 5 858 1444 19.6 17.4 87 2.2 18.1 151 7 305.9 308.6 296.6 350.0 14.73 6 850 1525 19.2 16.1 82 3.1 17.1 170 8 306.3 308.8 296.0 347.3 13.67 7 720 2933 10.8 -0.2 46 11.0 4.9 120 10 311.9 312.9 291.2 328.3 5.24 8 700 3168 9.2 -0.8 50 10.0 3.9 105 10 312.7 313.7 291.4 328.9 5.16 9 693 3251 8.8 -2.2 46 11.0 3.1 104 10 313.1 314.0 291.2 328.0 4.70 10 684 3360 8.0 3.6 74 4.4 5.5 103 10 313.4 314.8 293.3 336.1 7.27 11 666 3580 6.4 3.1 79 3.3 4.5 101 11 314.0 315.4 293.4 336.5 7.20 12 635 3970 4.8 -4.2 52 9.0 0.3 98 9 316.5 317.4 291.9 330.7 4.41 13 622 4139 3.6 -0.3 76 3.9 1.5 96 8 317.0 318.2 293.4 336.2 6.03 14 593 4527 2.0 -4.0 64 6.0 -1.0 91 9 319.5 320.4 293.1 335.0 4.80 15 545 5205 -1.7 -3.4 88 1.7 -2.6 80 13 322.9 324.0 294.5 340.8 5.47 16 541 5264 -2.1 -3.8 88 1.7 -3.0 80 13 323.1 324.2 294.4 340.6 5.35 17 518 5610 -2.5 -6.4 75 3.9 -4.4 93 12 326.7 327.6 294.8 341.9 4.58 18 515 5656 -2.5 -12.5 46 10.0 -6.7 99 13 327.2 327.8 293.6 336.9 2.84 19 507 5780 -3.5 -19.5 28 16.0 -9.1 113 13 327.5 327.8 292.6 333.1 1.61 20 500 5890 -4.5 -16.5 39 12.0 -9.0 110 10 327.6 328.0 293.0 334.8 2.10 21 489 6064 -6.1 -9.9 74 3.8 -7.8 106 11 327.7 328.4 294.3 340.1 3.69 22 470 6373 -7.3 -11.5 72 4.2 -9.1 118 13 329.9 330.6 294.7 341.4 3.38 23 459 6557 -7.7 -22.7 29 15.0 -12.5 98 13 331.7 331.9 293.4 336.5 1.34 24 455 6624 -8.3 -16.3 52 8.0 -11.3 88 14 331.7 332.2 294.3 340.0 2.35 25 452 6676 -8.3 -25.3 24 17.0 -13.3 81 14 332.4 332.6 293.4 336.3 1.08 26 448 6744 -8.7 -16.7 52 8.0 -11.7 76 14 332.7 333.2 294.5 340.8 2.31 27 441 6866 -9.3 -27.3 22 18.0 -14.3 80 14 333.5 333.7 293.5 336.8 0.92 28 423 7186 -12.3 -20.3 51 8.0 -14.9 91 12 333.6 334.0 294.3 340.0 1.80 29 410 7423 -13.5 -36.5 13 23.0 -18.3 84 11 335.1 335.2 293.5 336.6 0.41 30 400 7610 -14.9 -33.9 18 19.0 -19.0 65 8 335.6 335.7 293.7 337.7 0.54 31 389 7820 -16.3 -26.3 42 10.0 -19.0 67 7 336.5 336.7 294.5 340.7 1.15 32 380 7996 -17.3 -43.3 8 26.0 -21.5 68 6 337.4 337.5 293.9 338.3 0.22 33 374 8115 -17.9 -42.9 9 25.0 -22.0 69 6 338.2 338.2 294.1 339.1 0.23 34 365 8296 -19.3 -45.3 8 26.0 -23.1 69 5 338.7 338.7 294.1 339.4 0.18 35 351 8585 -21.5 -45.5 10 24.0 -24.8 64 7 339.5 339.5 294.4 340.2 0.19 36 318 9303 -27.5 -28.0 95 0.5 -27.6 52 12 340.9 341.1 295.6 345.4 1.20 37 303 9649 -29.3 -36.3 51 7.0 -30.4 46 15 343.1 343.2 295.6 345.3 0.57 38 300 9720 -30.1 -35.1 62 5.0 -30.9 45 15 343.0 343.1 295.6 345.4 0.64 39 293 9889 -31.1 -35.7 64 4.6 -31.8 42 13 343.9 344.0 295.8 346.3 0.62 40 292 9913 -31.3 -37.3 55 6.0 -32.2 43 13 343.9 344.0 295.7 346.0 0.53 41 277 10287 -33.9 -50.9 16 17.0 -35.3 30 15 345.4 345.4 295.7 345.9 0.13 42 276 10312 -34.3 -49.3 20 15.0 -35.6 29 15 345.2 345.2 295.7 345.8 0.16 43 274 10364 -34.9 -40.9 54 6.0 -35.6 25 15 345.0 345.1 295.8 346.6 0.39 44 265 10597 -36.9 -42.9 54 6.0 -37.5 34 15 345.4 345.5 295.9 346.7 0.33 45 258 10783 -38.1 -53.1 19 15.0 -39.1 42 15 346.3 346.3 295.9 346.7 0.11 46 254 10891 -39.1 -47.1 42 8.0 -39.8 47 15 346.4 346.4 296.0 347.2 0.22 47 250 11000 -40.1 -49.1 38 9.0 -40.8 50 12 346.4 346.5 296.0 347.2 0.18 48 216 11979 -48.5 -64.5 14 16.0 -49.0 33 16 348.2 348.2 296.3 348.4 0.03 49 207 12257 -50.9 -56.9 49 6.0 -51.1 40 18 348.7 348.7 296.4 349.1 0.08 50 200 12480 -52.7 -58.7 48 6.0 -52.9 60 16 349.3 349.3 296.5 349.6 0.07 51 191 12775 -55.1 -64.1 32 9.0 -55.3 64 16 350.1 350.1 296.7 350.2 0.04 52 150 14270 -68.3 -73.3 49 5.0 -68.4 110 17 352.4 352.4 297.2 352.5 0.01 53 142 14594 -71.1 -74.8 58 3.7 -71.1 110 16 353.1 353.1 297.3 353.2 0.01 54 116 15758 -79.7 -82.5 63 2.8 -79.7 165 8 358.2 358.2 298.4 358.2 0.00 55 110 16057 -80.7 -84.7 51 4.0 -80.7 143 3 361.8 361.8 299.1 361.8 0.00 56 101 16542 -75.1 -86.1 16 11.0 -75.2 356 11 381.5 381.5 302.5 381.5 0.00 57 100 16600 -74.5 -85.5 17 11.0 -74.5 335 12 383.8 383.8 302.9 383.8 0.00 58 98 16718 -74.1 -86.1 14 12.0 -74.2 335 12 386.8 386.8 303.3 386.8 0.00 59 84 17603 -80.7 -86.7 36 6.0 -80.7 170 13 390.8 390.8 303.9 390.8 0.00 60 70 18650 -73.7 -87.7 10 14.0 -73.7 315 21 426.7 426.7 308.5 426.7 0.00 61 69 18734 -73.7 -88.7 8 15.0 -73.7 315 21 428.5 428.5 308.7 428.5 0.00 62 63 19265 -75.1 -89.1 10 14.0 -75.2 289 40 436.7 436.7 309.6 436.7 0.00 63 50 20630 -68.3 -91.3 2 23.0 -68.5 130 32 482.5 482.5 313.7 482.5 0.00 64 45 21261 -69.9 -91.9 3 22.0 -70.1 94 35 493.4 493.4 314.5 493.4 0.00 65 38 22278 -66.3 -91.3 2 25.0 -66.7 86 49 527.0 527.0 316.8 527.0 0.00 66 35 22776 -67.5 -92.5 2 25.0 -67.8 88 49 536.4 536.4 317.3 536.5 0.00 67 33 23136 -61.5 -91.5 1 30.0 -62.2 85 45 561.5 561.5 318.7 561.5 0.00 68 31 23525 -60.5 -90.5 1 30.0 -61.3 85 61 574.4 574.4 319.4 574.4 0.00 69 30 23730 -59.9 -89.9 1 30.0 -60.8 90 57 581.3 581.3 319.8 581.4 0.00 70 23 25420 -52.1 -87.1 1 35.0 -54.7 89 61 650.2 650.2 322.7 650.2 0.01 71 21 26008 -52.7 -86.7 1 34.0 -55.4 91 61 665.5 665.5 323.3 665.6 0.01 TRP 84 17603 -80.7 -86.7 36 6.0 -80.7 170 13 390.8 390.8 303.9 390.8 0.00 WND 31 23525 -60.5 -90.5 1 30.0 -61.3 85 61 574.4 574.4 319.4 574.4 0.00 Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 567.05 mb = 4893.27 m = 16053.83 ft Wetbulb zero: 604.91 mb = 4365.25 m = 14321.52 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 67.23 % Est. max temperature: 33.18 C = 91.73 F Sfc-Lift cond lev (LCL): 959.50 mb = 464.94 m = 1525.37 ft T: 26.26 C 700-500 lapse rate: 5.03 C/km ThetaE index: 21.70 C Layer 850.0- 700.0 mb Conv cond level (CCL): 787.29 mb = 2175.27 m = 7136.63 ft Mean mixing ratio: 14.04 g/kg Conv temperature: 35.92 C = 96.66 F Cap Strength: 2.98 C Lifted Index: 0.58 C Risk: Showers probable Lifted Index @300 mb: 1.46 C Lifted Index @700 mb: 0.22 C Showalter Index: -0.54 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.60 C K Index: 29.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 219.20 Risk: None Energy Index: -2.44 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.18 J/kg Max Up Vert Vel: 10.79 m/s Conv Inhibition (B-): 163.26 J/kg Cap Strength: 2.98 C Lift Cond Lev (LCL): 859.30 mb = 1430.80 m = 4694.18 ft Lev Free Conv (LFC): 684.30 mb = 3356.03 m = 11010.46 ft Equ Level (EL): 524.30 mb = 5513.21 m = 18087.73 ft B at Equ Level: 55.00 J/kg Max Parcel Lev (MPL): 414.30 mb = 7343.62 m = 24092.96 ft Wind level data Storm motion: 139 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 1002 85 150 3 -1.5 2.6 | 310 3 2.7 -2.2 1 1000 100 150 3 -1.5 2.6 | 310 3 2.7 -2.2 2 977 305 60 2 -1.7 -1.0 | 337 6 2.4 -5.8 3 944 610 15 2 -0.5 -1.9 | 332 8 3.6 -6.8 4 925 788 285 1 1.0 -0.3 | 315 7 5.1 -5.1 5 912 914 25 2 -0.8 -1.8 | 333 7 3.3 -6.7 6 850 1525 170 8 -1.4 7.9 | 222 4 2.8 3.0 7 791 2134 145 10 -5.7 8.2 | 155 4 -1.6 3.3 8 763 2438 150 9 -4.5 7.8 | 174 3 -0.3 3.0 9 700 3168 105 10 -9.7 2.6 | 68 6 -5.5 -2.3 10 659 3658 100 11 -10.8 1.9 | 66 7 -6.7 -2.9 11 611 4267 95 7 -7.0 0.6 | 34 5 -2.8 -4.2 12 546 5182 80 13 -12.8 -2.3 | 51 11 -8.6 -7.1 13 526 5486 80 12 -11.8 -2.1 | 48 10 -7.7 -6.9 14 506 5791 115 13 -11.8 5.5 | 95 8 -7.6 0.7 15 500 5890 110 10 -9.4 3.4 | 75 5 -5.2 -1.4 16 487 6096 105 11 -10.6 2.8 | 73 7 -6.5 -2.0 17 468 6401 120 13 -11.3 6.5 | 103 7 -7.1 1.7 18 450 6706 75 14 -13.5 -3.6 | 48 13 -9.4 -8.5 19 416 7315 95 12 -12.0 1.0 | 64 9 -7.8 -3.8 20 400 7610 65 8 -7.3 -3.4 | 21 9 -3.1 -8.2 21 368 8230 70 5 -4.7 -1.7 | 5 7 -0.5 -6.6 22 300 9720 45 15 -10.6 -10.6 | 23 17 -6.4 -15.4 23 299 9754 40 10 -6.4 -7.7 | 10 13 -2.3 -12.5 24 286 10058 45 16 -11.3 -11.3 | 24 18 -7.1 -16.2 25 274 10363 25 15 -6.3 -13.6 | 7 19 -2.2 -18.4 26 251 10973 50 15 -11.5 -9.6 | 27 16 -7.3 -14.5 27 250 11000 50 12 -9.2 -7.7 | 22 14 -5.0 -12.6 28 229 11582 30 12 -6.0 -10.4 | 7 15 -1.8 -15.2 29 209 12192 35 18 -10.3 -14.7 | 17 21 -6.2 -19.6 30 200 12480 60 16 -13.9 -8.0 | 37 16 -9.7 -12.8 31 190 12802 65 16 -14.5 -6.8 | 42 16 -10.3 -11.6 32 172 13411 65 12 -10.9 -5.1 | 34 12 -6.7 -9.9 33 156 14021 105 13 -12.6 3.4 | 80 9 -8.4 -1.5 34 150 14270 110 17 -16.0 5.8 | 95 12 -11.8 1.0 35 141 14630 110 16 -15.0 5.5 | 93 11 -10.9 0.6 36 127 15240 160 14 -4.8 13.2 | 176 8 -0.6 8.3 37 120 15545 180 12 0.0 12.0 | 210 8 4.2 7.2 38 108 16154 135 1 -0.7 0.7 | 320 5 3.5 -4.1 39 100 16600 335 12 5.1 -10.9 | 330 18 9.2 -15.7 40 97 16764 335 12 5.1 -10.9 | 330 18 9.2 -15.7 41 92 17069 190 10 1.7 9.8 | 230 8 5.9 5.0 42 87 17374 190 17 3.0 16.7 | 211 14 7.1 11.9 43 84 17603 170 13 -2.3 12.8 | 193 8 1.9 8.0 44 79 17983 170 13 -2.3 12.8 | 193 8 1.9 8.0 45 75 18288 35 21 -12.0 -17.2 | 20 23 -7.9 -22.0 46 71 18593 5 17 -1.5 -16.9 | 353 22 2.7 -21.8 47 70 18650 315 21 14.8 -14.8 | 316 27 19.0 -19.7 48 67 18898 315 21 14.8 -14.8 | 316 27 19.0 -19.7 49 64 19202 290 41 38.5 -14.0 | 294 47 42.7 -18.9 50 57 19812 285 32 30.9 -8.3 | 291 37 35.1 -13.1 51 55 20117 300 14 12.1 -7.0 | 306 20 16.3 -11.8 52 52 20422 105 12 -11.6 3.1 | 77 8 -7.4 -1.7 53 50 20630 130 32 -24.5 20.6 | 128 26 -20.3 15.7 54 49 20726 130 31 -23.7 19.9 | 128 25 -19.6 15.1 55 44 21336 90 36 -36.0 0.0 | 81 32 -31.8 -4.8 56 42 21641 75 39 -37.7 -10.1 | 66 37 -33.5 -14.9 57 40 21946 105 41 -39.6 10.6 | 99 36 -35.4 5.8 58 38 22250 85 49 -48.8 -4.3 | 78 46 -44.6 -9.1 59 36 22555 90 51 -51.0 0.0 | 84 47 -46.8 -4.8 60 33 23165 85 45 -44.8 -3.9 | 78 42 -40.7 -8.8 61 31 23525 85 61 -60.8 -5.3 | 80 58 -56.6 -10.2 62 30 23730 90 57 -57.0 0.0 | 85 53 -52.8 -4.8 63 30 23774 85 61 -60.8 -5.3 | 80 58 -56.6 -10.2 64 17 26213 95 61 -60.8 5.3 | 90 57 -56.6 0.5 Wind Parameters Mean winds (0-6000m): 109.3 at 8.5 knts Storm direction: 139.3 at 6.4 knts Shear (0-3000m) pos: 1.7 neg: 1.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 124.2 deg Storm rel helicity (0-3000m) pos: 15.4 neg: -15.0 tot: 0.4 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.49 Bulk Shear: 6.13 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 74 2 340 6| 0.0 4.7 4.7| 2.0 -1.4 0.7 1.4 0.23| 5.6 1.3 1000 50 2 338 7| 1.4 2.4 3.8| 11.3 -6.1 5.2 5.2 0.28| 6.8 1.9 1500 141 3 317 3| 3.4 1.6 5.0| 14.7 -6.1 8.7 5.8 0.45| 8.9 4.0 2000 151 5 287 2| 2.6 1.3 3.9| 14.7 -9.5 5.3 2.6 0.27| 7.6 2.1 2500 149 6 263 1| 2.1 1.3 3.3| 15.4 -10.6 4.8 1.9 0.23| 6.6 1.5 3000 142 6 222 0| 1.7 1.9 3.6| 15.4 -15.0 0.4 0.1 0.08| 6.4 0.5 4000 126 7 74 2| 1.3 1.6 2.9| 15.4 -20.1 -4.7 -1.2 -0.01| 5.4 -0.0 5000 115 8 62 3| 1.0 1.8 2.8| 18.7 -21.5 -2.8 -0.6 0.01| 5.0 0.1 6000 109 9 62 4| 1.3 1.5 2.7| 35.1 -26.9 8.3 1.4 0.08| 5.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251020.00.gif