UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 1 MAY 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 22.0 94 1.0 22.3 0 0 296.0 299.0 295.4 344.5 16.84 1 1000 102 23.6 22.3 92 1.3 22.7 155 3 296.8 299.9 295.8 346.4 17.19 2 996 137 24.6 22.8 90 1.8 23.3 155 4 298.1 301.3 296.6 349.9 17.81 3 929 750 23.6 18.6 74 5.0 20.1 54 3 303.1 305.8 295.8 346.5 14.67 4 925 788 23.4 18.4 74 5.0 19.9 50 3 303.2 305.9 295.8 346.4 14.55 5 850 1521 19.0 14.9 77 4.1 16.3 10 4 306.0 308.4 295.3 344.0 12.64 6 786 2191 15.4 10.4 72 5.0 12.2 52 6 309.1 311.0 294.3 340.0 10.13 7 700 3166 9.8 6.7 81 3.1 7.9 95 10 313.3 315.0 294.5 340.8 8.83 8 657 3690 7.2 2.6 73 4.6 4.6 90 14 316.1 317.5 293.9 338.4 7.04 9 538 5303 -3.7 -3.7 100 0.0 -3.7 74 21 321.7 322.8 294.1 339.3 5.42 10 526 5481 -4.3 -7.5 78 3.2 -5.8 79 18 323.1 323.9 293.5 336.7 4.14 11 520 5571 -4.5 -6.2 88 1.7 -5.3 76 19 323.9 324.8 294.1 339.2 4.63 12 500 5880 -5.1 -8.3 78 3.2 -6.6 70 19 326.8 327.6 294.4 340.5 4.09 13 497 5927 -5.3 -8.5 78 3.2 -6.8 71 19 327.1 327.9 294.5 340.7 4.05 14 475 6281 -7.7 -10.3 82 2.6 -8.8 75 19 328.4 329.2 294.6 340.9 3.68 15 462 6496 -8.5 -18.5 44 10.0 -12.0 79 18 330.1 330.4 293.5 336.8 1.92 16 439 6891 -10.9 -16.9 61 6.0 -13.1 95 13 331.9 332.3 294.3 340.0 2.32 17 407 7469 -14.1 -26.1 35 12.0 -17.4 112 10 335.0 335.2 294.1 339.1 1.12 18 400 7600 -15.1 -21.1 60 6.0 -17.0 115 9 335.4 335.7 294.7 341.7 1.78 19 398 7638 -15.3 -19.5 70 4.2 -16.7 115 9 335.6 336.0 295.0 342.9 2.05 20 382 7947 -17.5 -27.5 41 10.0 -20.0 112 9 336.6 336.9 294.4 340.5 1.05 21 375 8086 -18.5 -19.8 89 1.3 -18.9 111 9 337.1 337.5 295.4 344.7 2.12 22 309 9507 -27.5 -44.5 18 17.0 -29.6 103 12 343.7 343.8 295.4 344.7 0.24 23 303 9649 -28.3 -43.3 22 15.0 -30.2 98 11 344.5 344.6 295.7 345.6 0.27 24 300 9720 -28.9 -38.9 38 10.0 -30.4 95 10 344.6 344.7 295.8 346.4 0.44 25 294 9864 -30.1 -40.1 37 10.0 -31.5 86 11 344.9 345.0 295.8 346.5 0.40 26 279 10233 -33.3 -43.3 36 10.0 -34.4 73 8 345.5 345.6 295.9 346.7 0.30 27 274 10359 -34.5 -52.5 14 18.0 -35.9 68 7 345.6 345.6 295.7 346.0 0.11 28 250 10990 -39.9 -47.9 42 8.0 -40.5 95 4 346.7 346.8 296.1 347.6 0.20 29 231 11524 -45.1 -47.9 73 2.8 -45.3 100 4 346.8 346.8 296.1 347.7 0.22 30 210 12154 -50.5 -55.0 59 4.5 -50.7 107 3 347.9 347.9 296.3 348.4 0.10 31 200 12470 -53.5 -55.9 75 2.4 -53.6 110 3 348.0 348.1 296.3 348.5 0.10 32 197 12567 -54.5 -56.4 79 1.9 -54.6 107 3 348.0 348.0 296.3 348.4 0.09 33 183 13035 -58.1 -63.0 53 4.9 -58.2 94 5 349.5 349.5 296.5 349.7 0.04 34 172 13423 -61.5 -64.7 66 3.2 -61.6 83 7 350.2 350.2 296.7 350.3 0.04 35 162 13792 -63.9 -73.9 24 10.0 -64.0 72 9 352.2 352.2 297.1 352.2 0.01 36 160 13868 -64.9 -71.9 37 7.0 -65.0 70 9 351.7 351.7 297.0 351.8 0.01 37 150 14260 -66.9 -82.9 9 16.0 -67.0 35 8 354.8 354.8 297.7 354.9 0.00 38 148 14341 -66.9 -85.9 5 19.0 -67.0 45 10 356.2 356.2 298.0 356.2 0.00 39 127 15245 -74.7 -80.7 39 6.0 -74.7 74 2 358.1 358.1 298.3 358.1 0.00 40 122 15476 -76.9 -83.9 32 7.0 -76.9 77 5 358.2 358.2 298.4 358.2 0.00 41 101 16545 -82.1 -87.1 42 5.0 -82.1 59 19 368.1 368.1 300.2 368.1 0.00 42 100 16600 -82.5 -87.5 42 5.0 -82.5 65 19 368.3 368.3 300.2 368.3 0.00 43 96 16829 -82.9 -89.9 29 7.0 -82.9 55 14 371.9 371.9 300.9 371.9 0.00 44 94 16948 -75.9 -87.9 13 12.0 -75.9 55 14 387.9 387.9 303.5 387.9 0.00 45 92 17074 -73.7 -88.7 8 15.0 -73.7 53 14 394.6 394.6 304.5 394.6 0.00 46 74 18331 -79.5 -90.5 15 11.0 -79.5 275 32 407.8 407.8 306.2 407.8 0.00 47 70 18650 -76.1 -90.1 9 14.0 -76.2 285 43 421.6 421.6 307.9 421.6 0.00 48 69 18733 -75.9 -89.9 9 14.0 -75.9 285 44 423.7 423.7 308.2 423.8 0.00 49 66 18988 -77.3 -90.3 11 13.0 -77.3 286 46 426.1 426.1 308.4 426.1 0.00 50 58 19735 -73.5 -91.5 5 18.0 -73.6 290 52 450.7 450.7 310.9 450.7 0.00 51 54 20158 -67.7 -90.7 2 23.0 -67.9 274 42 473.4 473.4 312.9 473.4 0.00 52 50 20620 -68.3 -90.3 3 22.0 -68.5 220 44 482.5 482.5 313.7 482.5 0.00 53 48 20865 -69.7 -90.7 3 21.0 -69.9 218 44 484.9 484.9 313.8 484.9 0.00 54 32 23363 -57.5 -88.5 1 31.0 -58.6 66 18 577.1 577.1 319.5 577.2 0.00 55 31 23563 -58.7 -88.7 1 30.0 -59.7 76 16 579.2 579.2 319.6 579.2 0.00 56 30 23770 -58.3 -89.3 1 31.0 -59.4 100 9 585.7 585.7 319.9 585.7 0.00 57 29 23983 -58.1 -89.1 1 31.0 -59.3 80 12 592.0 592.0 320.2 592.0 0.00 58 29 23983 -54.3 -88.3 1 34.0 -56.1 80 12 602.4 602.4 320.7 602.5 0.01 59 26 24683 -52.9 -86.9 1 34.0 -55.1 120 29 625.5 625.5 321.7 625.6 0.01 60 23 25468 -54.7 -86.7 1 32.0 -56.8 106 40 642.5 642.5 322.4 642.6 0.01 61 22 25754 -50.5 -85.5 1 35.0 -53.6 85 38 663.3 663.3 323.2 663.4 0.01 62 20 26370 -53.5 -86.5 1 33.0 -56.1 95 29 672.4 672.4 323.5 672.5 0.01 63 18 27045 -55.5 -86.5 1 31.0 -57.8 97 29 686.7 686.7 324.0 686.8 0.01 64 16 27805 -49.9 -85.9 1 36.0 -54.0 99 38 728.5 728.5 325.3 728.6 0.02 65 14 28684 -47.3 -84.3 1 37.0 -52.8 91 49 765.6 765.7 326.4 765.8 0.02 66 13 29174 -47.3 -84.3 1 37.0 -53.0 92 49 782.0 782.1 326.8 782.3 0.02 TRP 96 16829 -82.9 -89.9 29 7.0 -82.9 55 14 371.9 371.9 300.9 371.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 578.39 mb = 4755.22 m = 15600.92 ft Wetbulb zero: 591.35 mb = 4539.62 m = 14893.58 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 80.50 % Est. max temperature: 33.00 C = 91.39 F Sfc-Lift cond lev (LCL): 987.85 mb = 209.62 m = 687.72 ft T: 24.48 C 700-500 lapse rate: 5.49 C/km ThetaE index: 9.90 C Layer 929.0- 700.0 mb Conv cond level (CCL): 831.00 mb = 1714.42 m = 5624.66 ft Mean mixing ratio: 15.76 g/kg Conv temperature: 33.96 C = 93.13 F Cap Strength: 2.78 C Lifted Index: -1.31 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.79 C Lifted Index @700 mb: -0.12 C Showalter Index: 0.10 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.00 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 205.80 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 285.97 J/kg Max Up Vert Vel: 23.92 m/s Conv Inhibition (B-): 108.41 J/kg Cap Strength: 2.78 C Lift Cond Lev (LCL): 901.75 mb = 1008.68 m = 3309.28 ft Lev Free Conv (LFC): 706.75 mb = 3085.24 m = 10122.06 ft Equ Level (EL): 316.75 mb = 9325.55 m = 30595.26 ft B at Equ Level: 283.88 J/kg Max Parcel Lev (MPL): 146.75 mb = 14390.93 m = 47213.77 ft Wind level data Storm motion: 107 at 9 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 0 0 -0.0 -0.0 | 287 9 8.3 -2.6 1 1000 102 155 3 -1.3 2.7 | 269 7 7.1 0.2 2 977 305 155 7 -3.0 6.3 | 235 7 5.4 3.8 3 944 610 70 2 -1.9 -0.7 | 297 7 6.4 -3.3 4 925 788 50 3 -2.3 -1.9 | 307 8 6.0 -4.5 5 912 914 355 2 0.2 -2.0 | 298 10 8.5 -4.6 6 850 1521 10 4 -0.7 -3.9 | 310 10 7.6 -6.5 7 791 2134 50 6 -4.6 -3.9 | 330 7 3.7 -6.4 8 763 2438 65 5 -4.5 -2.1 | 321 6 3.8 -4.7 9 710 3048 95 10 -10.0 0.9 | 44 2 -1.6 -1.7 10 700 3166 95 10 -10.0 0.9 | 44 2 -1.6 -1.7 11 611 4267 85 19 -18.9 -1.7 | 68 11 -10.6 -4.2 12 545 5182 70 23 -21.6 -7.9 | 52 17 -13.3 -10.4 13 525 5486 80 18 -17.7 -3.1 | 59 11 -9.4 -5.7 14 506 5791 65 20 -18.1 -8.5 | 42 15 -9.8 -11.0 15 500 5880 70 19 -17.9 -6.5 | 46 13 -9.5 -9.1 16 486 6096 75 19 -18.4 -4.9 | 53 13 -10.0 -7.5 17 467 6401 75 19 -18.4 -4.9 | 53 13 -10.0 -7.5 18 432 7010 100 12 -11.8 2.1 | 82 4 -3.5 -0.5 19 400 7600 115 9 -8.2 3.8 | 188 1 0.2 1.2 20 367 8230 110 9 -8.5 3.1 | 165 1 -0.1 0.5 21 311 9449 105 12 -11.6 3.1 | 99 3 -3.3 0.5 22 300 9720 95 10 -10.0 0.9 | 44 2 -1.6 -1.7 23 299 9754 90 12 -12.0 0.0 | 55 4 -3.7 -2.6 24 251 10973 45 2 -1.4 -1.4 | 300 8 6.9 -4.0 25 250 10990 95 4 -4.0 0.3 | 297 5 4.3 -2.2 26 200 12470 110 3 -2.8 1.0 | 286 6 5.5 -1.5 27 156 14021 65 10 -9.1 -4.2 | 6 7 -0.7 -6.8 28 150 14260 35 8 -4.6 -6.6 | 338 10 3.7 -9.1 29 148 14326 45 10 -7.1 -7.1 | 353 10 1.3 -9.6 30 127 15240 75 2 -1.9 -0.5 | 296 7 6.4 -3.1 31 114 15850 80 11 -10.8 -1.9 | 29 5 -2.5 -4.5 32 102 16459 50 19 -14.6 -12.2 | 23 16 -6.2 -14.8 33 100 16600 65 19 -17.2 -8.0 | 40 14 -8.9 -10.6 34 97 16764 55 23 -18.8 -13.2 | 34 19 -10.5 -15.8 35 96 16829 55 14 -11.5 -8.0 | 17 11 -3.1 -10.6 36 92 17069 55 14 -11.5 -8.0 | 17 11 -3.1 -10.6 37 87 17374 290 16 15.0 -5.5 | 289 25 23.4 -8.0 38 79 17983 265 21 20.9 1.8 | 271 29 29.2 -0.7 39 70 18650 285 43 41.5 -11.1 | 285 52 49.9 -13.7 40 57 19812 290 53 49.8 -18.1 | 290 62 58.1 -20.7 41 54 20117 280 43 42.3 -7.5 | 281 52 50.7 -10.0 42 52 20422 245 38 34.4 16.1 | 252 45 42.8 13.5 43 50 20620 220 44 28.3 33.7 | 230 48 36.6 31.1 44 45 21336 215 44 25.2 36.0 | 225 47 33.6 33.5 45 40 21946 180 22 0.0 22.0 | 203 21 8.3 19.4 46 38 22250 100 1 -1.0 0.2 | 288 8 7.3 -2.4 47 37 22555 75 11 -10.6 -2.8 | 23 6 -2.3 -5.4 48 31 23470 65 19 -17.2 -8.0 | 40 14 -8.9 -10.6 49 30 23770 100 9 -8.9 1.6 | 28 1 -0.5 -1.0 50 30 23774 35 13 -7.5 -10.6 | 356 13 0.9 -13.2 51 29 24079 100 12 -11.8 2.1 | 82 4 -3.5 -0.5 52 27 24384 85 19 -18.9 -1.7 | 68 11 -10.6 -4.2 53 26 24689 120 29 -25.1 14.5 | 125 21 -16.8 11.9 54 24 25298 115 43 -39.0 18.2 | 117 34 -30.6 15.6 55 23 25603 100 38 -37.4 6.6 | 98 29 -29.1 4.0 56 21 25908 70 38 -35.7 -13.0 | 60 31 -27.4 -15.6 57 20 26370 95 29 -28.9 2.5 | 90 21 -20.6 -0.0 58 19 26518 70 25 -23.5 -8.6 | 54 19 -15.2 -11.1 59 18 26822 105 30 -29.0 7.8 | 104 21 -20.7 5.2 60 14 27737 90 51 -51.0 0.0 | 87 43 -42.7 -2.6 61 12 28346 95 44 -43.8 3.8 | 92 36 -35.5 1.3 62 9 29261 90 48 -48.0 0.0 | 86 40 -39.7 -2.6 Wind Parameters Mean winds (0-6000m): 77.1 at 11.6 knts Storm direction: 107.1 at 8.7 knts Shear (0-3000m) pos: 2.2 neg: 0.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 116.9 deg Storm rel helicity (0-3000m) pos: 25.1 neg: -14.9 tot: 10.2 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 18.37 Bulk Shear: 15.57 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 ------------------------------------------------------------------------------- 500 146 5 257 6| 2.5 0.0 2.5| 6.3 -11.3 -5.0 -10.1 -0.08| 14.8 -1.2 1000 119 4 279 5| 1.2 1.6 2.8| 9.3 -13.7 -4.4 -4.4 -0.04| 9.6 -0.4 1500 68 3 307 6| 1.4 1.1 2.4| 14.2 -13.7 0.6 0.4 0.06| 7.0 0.4 2000 49 4 314 7| 1.8 0.8 2.6| 20.1 -13.7 6.4 3.2 0.15| 6.1 0.9 2500 54 4 316 7| 1.7 0.6 2.3| 21.4 -14.9 6.5 2.6 0.14| 5.6 0.8 3000 67 5 320 6| 2.2 0.5 2.7| 25.1 -14.9 10.2 3.4 0.25| 5.5 1.4 4000 80 7 341 4| 1.6 0.8 2.5| 26.9 -14.9 12.0 3.0 0.24| 5.1 1.2 5000 79 10 18 5| 1.3 1.4 2.7| 26.9 -28.1 -1.2 -0.2 0.13| 4.9 0.6 6000 77 12 30 6| 0.9 1.2 2.1| 42.0 -42.7 -0.7 -0.1 0.10| 5.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250501.12.gif