UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 24 APR 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 24.0 23.0 94 1.0 23.3 270 1 297.0 300.2 296.4 348.8 17.93 1 1000 95 24.2 23.2 94 1.0 23.5 125 3 297.4 300.6 296.7 350.1 18.19 2 978 291 23.6 22.7 95 0.9 23.0 97 8 298.6 301.9 296.9 351.2 18.04 3 959 463 24.8 20.9 79 3.9 22.0 87 9 301.5 304.6 296.6 350.0 16.44 4 925 781 23.4 20.3 83 3.1 21.2 65 14 303.2 306.3 297.1 352.0 16.42 5 850 1517 18.8 17.5 92 1.3 17.9 35 11 305.8 308.6 296.8 350.7 14.97 6 736 2743 11.8 10.4 91 1.4 10.9 77 12 311.1 313.1 295.3 344.3 10.83 7 700 3163 10.2 6.7 79 3.5 8.0 85 13 313.8 315.5 294.6 341.2 8.83 8 679 3416 9.6 3.6 66 6.0 6.1 78 13 315.9 317.3 294.0 338.9 7.32 9 644 3853 7.2 1.2 66 6.0 3.8 70 13 318.0 319.2 294.0 338.6 6.50 10 570 4845 0.8 -2.4 79 3.2 -0.9 107 12 321.7 322.8 294.3 340.0 5.63 11 544 5220 -0.7 -4.2 77 3.5 -2.5 106 14 324.3 325.3 294.6 341.2 5.16 12 532 5398 -1.3 -10.3 50 9.0 -5.3 104 15 325.6 326.3 293.5 336.7 3.28 13 524 5518 -2.1 -6.4 72 4.3 -4.2 103 15 326.1 327.0 294.6 341.1 4.53 14 500 5890 -3.5 -10.5 58 7.0 -6.6 100 16 328.8 329.5 294.4 340.4 3.44 15 496 5954 -3.7 -10.7 58 7.0 -6.8 102 14 329.3 330.0 294.6 340.9 3.41 16 485 6131 -5.1 -11.1 63 6.0 -7.7 105 11 329.7 330.4 294.6 341.2 3.38 17 463 6495 -7.5 -18.5 41 11.0 -11.4 111 14 331.1 331.5 293.8 337.8 1.92 18 420 7249 -13.3 -16.4 77 3.1 -14.5 111 11 333.0 333.5 294.8 341.9 2.53 19 400 7620 -15.3 -19.5 70 4.2 -16.7 115 9 335.1 335.5 294.9 342.3 2.04 20 385 7907 -17.1 -20.7 74 3.6 -18.3 87 12 336.4 336.8 295.1 343.3 1.91 21 374 8124 -18.3 -29.3 37 11.0 -20.9 100 14 337.6 337.8 294.6 341.0 0.90 22 367 8265 -19.1 -29.1 41 10.0 -21.5 111 15 338.4 338.6 294.8 341.9 0.94 23 359 8428 -20.3 -33.3 30 13.0 -22.9 115 14 338.9 339.1 294.7 341.4 0.64 24 316 9359 -27.7 -30.5 77 2.8 -28.3 114 13 341.2 341.4 295.5 344.8 0.96 25 300 9730 -30.3 -36.3 56 6.0 -31.2 105 13 342.7 342.8 295.5 344.9 0.57 26 296 9825 -31.1 -35.8 63 4.7 -31.9 105 13 342.9 343.0 295.6 345.2 0.61 27 285 10092 -32.5 -44.5 29 12.0 -33.8 103 14 344.6 344.6 295.7 345.6 0.26 28 275 10343 -34.7 -39.1 64 4.4 -35.3 82 11 344.9 345.0 295.9 346.8 0.47 29 272 10419 -35.3 -46.3 32 11.0 -36.4 83 11 345.2 345.2 295.7 346.1 0.22 30 261 10705 -37.5 -41.5 66 4.0 -37.9 100 11 346.0 346.1 296.1 347.6 0.39 31 250 11000 -39.7 -44.4 61 4.7 -40.1 80 11 347.0 347.1 296.3 348.2 0.29 32 242 11222 -40.9 -51.9 30 11.0 -41.6 64 11 348.5 348.5 296.4 349.0 0.13 33 216 11985 -47.1 -64.1 13 17.0 -47.6 16 11 350.4 350.4 296.7 350.5 0.03 34 200 12490 -51.7 -62.7 26 11.0 -52.0 20 14 350.9 350.9 296.8 351.1 0.04 35 153 14170 -66.3 -70.4 56 4.1 -66.3 58 9 353.9 353.9 297.5 353.9 0.02 36 150 14290 -67.1 -71.5 54 4.4 -67.1 60 8 354.5 354.5 297.6 354.6 0.02 37 117 15746 -76.9 -83.9 32 7.0 -76.9 262 13 362.5 362.5 299.2 362.5 0.00 38 100 16630 -83.1 -87.6 45 4.5 -83.1 220 24 367.2 367.2 300.1 367.2 0.00 39 98 16742 -83.9 -88.5 44 4.6 -83.9 215 23 367.7 367.7 300.2 367.7 0.00 40 86 17472 -80.3 -88.3 25 8.0 -80.3 119 18 389.0 389.0 303.6 389.0 0.00 41 79 17949 -81.5 -89.5 24 8.0 -81.5 99 11 396.1 396.1 304.7 396.1 0.00 42 70 18640 -74.3 -90.3 7 16.0 -74.3 350 3 425.4 425.4 308.3 425.4 0.00 43 65 19078 -69.9 -91.9 3 22.0 -70.0 335 8 444.2 444.2 310.3 444.2 0.00 44 63 19264 -70.7 -91.7 3 21.0 -70.8 326 16 446.4 446.4 310.5 446.4 0.00 45 61 19458 -66.9 -91.9 2 25.0 -67.1 300 28 459.0 459.0 311.7 459.0 0.00 46 59 19660 -68.1 -91.1 2 23.0 -68.3 295 33 460.7 460.7 311.8 460.7 0.00 47 50 20660 -66.7 -90.7 2 24.0 -67.0 245 24 486.3 486.3 314.0 486.3 0.00 48 46 21164 -66.9 -90.9 2 24.0 -67.2 230 17 497.6 497.6 314.8 497.6 0.00 49 30 23800 -58.3 -90.3 1 32.0 -59.4 315 7 585.7 585.7 319.9 585.7 0.00 50 27 24471 -55.1 -89.1 1 34.0 -56.8 50 4 612.6 612.6 321.2 612.6 0.01 51 22 25772 -59.5 -90.5 1 31.0 -60.8 87 38 636.5 636.5 322.2 636.5 0.00 52 20 26380 -52.9 -88.9 1 36.0 -55.6 110 36 674.3 674.3 323.6 674.3 0.01 53 18 27056 -55.5 -89.5 1 34.0 -57.8 113 34 686.7 686.7 324.0 686.7 0.01 54 16 27813 -51.7 -88.7 0 37.0 -55.2 122 36 722.6 722.6 325.1 722.7 0.01 TRP 98 16742 -83.9 -88.5 44 4.6 -83.9 215 23 367.7 367.7 300.2 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 556.13 mb = 5044.99 m = 16551.60 ft Wetbulb zero: 583.56 mb = 4654.28 m = 15269.75 ft Precipitable water: 2.32 inches Sfc-500 mean rel hum: 79.63 % Est. max temperature: 32.79 C = 91.03 F Sfc-Lift cond lev (LCL): 987.91 mb = 202.02 m = 662.78 ft T: 23.87 C 700-500 lapse rate: 5.02 C/km ThetaE index: 13.31 C Layer 850.0- 570.0 mb Conv cond level (CCL): 863.92 mb = 1375.65 m = 4513.24 ft Mean mixing ratio: 16.91 g/kg Conv temperature: 32.37 C = 90.26 F Cap Strength: 2.23 C Lifted Index: -0.94 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.49 C Lifted Index @700 mb: -0.66 C Showalter Index: -0.82 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.00 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 248.00 Risk: None Energy Index: -2.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 608.97 J/kg Max Up Vert Vel: 34.90 m/s Conv Inhibition (B-): 58.10 J/kg Cap Strength: 2.23 C Lift Cond Lev (LCL): 916.63 mb = 860.14 m = 2821.94 ft Lev Free Conv (LFC): 791.63 mb = 2122.56 m = 6963.70 ft Equ Level (EL): 221.63 mb = 11812.55 m = 38754.63 ft B at Equ Level: 608.18 J/kg Max Parcel Lev (MPL): 101.63 mb = 16539.04 m = 54261.27 ft Wind level data Storm motion: 109 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 85 270 1 1.0 -0.0 | 287 10 9.5 -2.9 1 1000 95 125 3 -2.5 1.7 | 281 6 6.1 -1.2 2 976 305 95 8 -8.0 0.7 | 345 2 0.6 -2.2 3 943 610 80 10 -9.8 -1.7 | 16 5 -1.3 -4.7 4 925 781 65 14 -12.7 -5.9 | 25 10 -4.1 -8.8 5 911 914 65 13 -11.8 -5.5 | 21 9 -3.2 -8.4 6 850 1517 35 11 -6.3 -9.0 | 349 12 2.2 -11.9 7 849 1524 30 11 -5.5 -9.5 | 346 13 3.0 -12.5 8 790 2134 55 10 -8.2 -5.7 | 358 9 0.4 -8.7 9 762 2438 70 11 -10.3 -3.8 | 15 7 -1.8 -6.7 10 710 3048 85 13 -13.0 -1.1 | 47 6 -4.4 -4.1 11 700 3163 85 13 -13.0 -1.1 | 47 6 -4.4 -4.1 12 659 3658 70 13 -12.2 -4.4 | 26 8 -3.7 -7.4 13 634 3962 70 13 -12.2 -4.4 | 26 8 -3.7 -7.4 14 611 4267 70 11 -10.3 -3.8 | 15 7 -1.8 -6.7 15 567 4877 110 12 -11.3 4.1 | 113 3 -2.7 1.2 16 506 5791 100 17 -16.7 3.0 | 90 8 -8.2 0.0 17 500 5890 100 16 -15.8 2.8 | 89 7 -7.2 -0.2 18 487 6096 105 11 -10.6 2.8 | 88 2 -2.1 -0.1 19 450 6706 115 15 -13.6 6.3 | 124 6 -5.0 3.4 20 433 7010 100 11 -10.8 1.9 | 66 3 -2.3 -1.0 21 416 7315 115 11 -10.0 4.6 | 140 2 -1.4 1.7 22 400 7620 115 9 -8.2 3.8 | 204 1 0.4 0.9 23 384 7925 85 12 -12.0 -1.0 | 41 5 -3.4 -4.0 24 368 8230 110 15 -14.1 5.1 | 112 6 -5.5 2.2 25 339 8839 125 12 -9.8 6.9 | 162 4 -1.3 4.0 26 300 9730 105 13 -12.6 3.4 | 96 4 -4.0 0.4 27 286 10058 105 14 -13.5 3.6 | 98 5 -5.0 0.7 28 274 10363 80 11 -10.8 -1.9 | 25 5 -2.3 -4.8 29 262 10668 100 11 -10.8 1.9 | 66 3 -2.3 -1.0 30 251 10973 100 11 -10.8 1.9 | 66 3 -2.3 -1.0 31 250 11000 80 11 -10.8 -1.9 | 25 5 -2.3 -4.8 32 219 11887 15 10 -2.6 -9.7 | 335 14 6.0 -12.6 33 200 12490 20 14 -4.8 -13.2 | 347 17 3.8 -16.1 34 181 13106 15 15 -3.9 -14.5 | 345 18 4.7 -17.4 35 164 13716 45 10 -7.1 -7.1 | 352 10 1.5 -10.0 36 157 14021 55 10 -8.2 -5.7 | 358 9 0.4 -8.7 37 150 14290 60 8 -6.9 -4.0 | 347 7 1.6 -6.9 38 141 14630 25 7 -3.0 -6.3 | 329 11 5.6 -9.3 39 121 15545 270 11 11.0 -0.0 | 279 20 19.5 -2.9 40 100 16630 220 24 15.4 18.4 | 237 29 24.0 15.5 41 98 16742 215 23 13.2 18.8 | 234 27 21.7 15.9 42 98 16764 225 23 16.3 16.3 | 242 28 24.8 13.3 43 83 17678 90 16 -16.0 0.0 | 69 8 -7.5 -2.9 44 79 17983 100 11 -10.8 1.9 | 66 3 -2.3 -1.0 45 75 18288 50 14 -10.7 -9.0 | 10 12 -2.2 -11.9 46 71 18593 300 12 10.4 -6.0 | 295 21 18.9 -8.9 47 70 18640 350 3 0.5 -3.0 | 303 11 9.1 -5.9 48 67 18898 335 2 0.8 -1.8 | 297 11 9.4 -4.7 49 64 19202 335 12 5.1 -10.9 | 315 19 13.6 -13.8 50 61 19507 295 31 28.1 -13.1 | 294 40 36.6 -16.0 51 58 19812 295 35 31.7 -14.8 | 294 44 40.3 -17.7 52 50 20660 245 24 21.8 10.1 | 257 31 30.3 7.2 53 45 21336 225 15 10.6 10.6 | 248 21 19.2 7.7 54 43 21641 250 28 26.3 9.6 | 259 35 34.9 6.6 55 41 21946 240 18 15.6 9.0 | 256 25 24.1 6.1 56 39 22250 245 23 20.8 9.7 | 257 30 29.4 6.8 57 37 22555 220 16 10.3 12.3 | 244 21 18.8 9.3 58 35 22860 210 11 5.5 9.5 | 245 16 14.0 6.6 59 33 23165 20 1 -0.3 -0.9 | 295 9 8.2 -3.9 60 32 23470 355 13 1.1 -13.0 | 329 19 9.7 -15.9 61 30 23774 330 26 13.0 -22.5 | 320 33 21.5 -25.4 62 30 23800 315 7 4.9 -4.9 | 300 16 13.5 -7.9 63 29 24079 325 21 12.0 -17.2 | 314 29 20.6 -20.1 64 27 24384 30 2 -1.0 -1.7 | 302 9 7.5 -4.7 65 26 24689 100 10 -9.8 1.7 | 47 2 -1.3 -1.2 66 24 25298 105 34 -32.8 8.8 | 104 25 -24.3 5.9 67 21 26213 70 41 -38.5 -14.0 | 61 34 -30.0 -17.0 68 20 26380 110 36 -33.8 12.3 | 110 27 -25.3 9.4 69 19 26518 85 28 -27.9 -2.4 | 74 20 -19.3 -5.4 70 18 26822 120 36 -31.2 18.0 | 124 27 -22.6 15.1 71 16 27127 125 35 -28.7 20.1 | 130 26 -20.1 17.1 72 13 28042 80 46 -45.3 -8.0 | 73 38 -36.8 -10.9 Wind Parameters Mean winds (0-6000m): 78.9 at 12.0 knts Storm direction: 108.9 at 9.0 knts Shear (0-3000m) pos: 3.3 neg: 1.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 120.2 deg Storm rel helicity (0-3000m) pos: 21.3 neg: -19.7 tot: 1.6 m^2/s^2 ave: 0.5 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 1.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 165.81 Bulk Shear: 3.67 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 7 334 3| 11.1 0.0 11.1| 3.3 -0.4 2.8 5.7 0.35| 12.9 4.5 1000 76 10 11 5| 5.6 2.8 8.3| 5.0 -6.4 -1.4 -1.4 0.15| 10.6 1.6 1500 64 10 7 8| 3.7 3.0 6.7| 5.0 -19.7 -14.7 -9.8 -0.06| 8.8 -0.5 2000 59 10 3 8| 3.3 2.2 5.6| 10.0 -19.7 -9.6 -4.8 0.01| 7.6 0.1 2500 60 11 4 8| 3.4 1.8 5.2| 16.6 -19.7 -3.0 -1.2 0.11| 6.9 0.7 3000 64 11 9 8| 3.3 1.5 4.7| 21.3 -19.7 1.6 0.5 0.17| 6.3 1.1 4000 67 11 15 8| 2.4 1.5 4.0| 21.3 -25.7 -4.4 -1.1 0.08| 5.2 0.4 5000 72 11 20 7| 2.5 1.2 3.7| 28.3 -27.6 0.7 0.1 0.17| 5.3 0.9 6000 79 12 32 6| 1.7 1.0 2.7| 28.5 -30.5 -2.0 -0.3 0.11| 5.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250424.12.gif