UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 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 1000 85 23.0 21.0 89 2.0 21.6 170 2 296.1 299.0 294.7 341.8 15.85 1 978 277 23.4 21.6 90 1.8 22.1 109 4 298.4 301.5 296.1 347.4 16.84 2 944 584 25.4 17.4 61 8.0 19.9 54 2 303.5 306.0 295.1 343.2 13.36 3 925 761 24.6 16.6 61 8.0 19.1 25 6 304.5 306.9 295.1 343.1 12.95 4 850 1499 20.8 11.8 56 9.0 15.0 70 9 307.9 309.9 294.1 339.1 10.28 5 812 1893 18.8 9.8 56 9.0 13.1 103 8 309.9 311.6 294.0 338.6 9.41 6 700 3148 10.4 4.4 66 6.0 6.9 85 6 314.0 315.4 293.7 337.5 7.51 7 622 4123 4.8 0.7 75 4.1 2.5 88 10 318.4 319.6 294.1 339.1 6.49 8 592 4525 2.6 -7.4 48 10.0 -2.1 54 10 320.4 321.1 292.4 332.5 3.70 9 571 4816 0.0 -3.1 80 3.1 -1.6 51 14 320.6 321.7 293.8 337.9 5.34 10 538 5291 -2.5 -3.9 90 1.4 -3.2 57 17 323.2 324.2 294.4 340.6 5.34 11 500 5870 -5.5 -5.8 98 0.3 -5.7 55 12 326.3 327.3 295.0 342.8 4.97 12 488 6061 -6.3 -6.3 100 0.0 -6.3 55 12 327.6 328.6 295.3 344.0 4.90 13 454 6622 -10.1 -13.1 79 3.0 -11.3 63 10 329.7 330.3 294.4 340.2 3.07 14 443 6811 -11.1 -11.5 97 0.4 -11.3 53 10 330.8 331.5 295.0 343.0 3.58 15 400 7590 -15.5 -17.2 87 1.7 -16.1 50 12 334.8 335.3 295.2 343.6 2.48 16 370 8177 -18.9 -21.0 83 2.1 -19.6 51 13 337.9 338.3 295.5 344.8 1.94 17 300 9710 -30.1 -31.9 84 1.8 -30.4 65 11 343.0 343.1 295.8 346.3 0.88 18 295 9829 -30.9 -32.7 84 1.8 -31.2 65 11 343.5 343.6 295.9 346.6 0.83 19 270 10451 -35.9 -39.6 69 3.7 -36.4 80 10 345.0 345.1 295.9 346.8 0.45 20 250 10980 -40.5 -43.3 74 2.8 -40.8 100 8 345.9 345.9 296.0 347.2 0.33 21 212 12082 -49.9 -54.1 61 4.2 -50.1 91 8 347.9 347.9 296.3 348.4 0.12 22 200 12460 -53.3 -57.9 57 4.6 -53.4 110 11 348.4 348.4 296.3 348.7 0.08 23 173 13373 -61.3 -66.2 52 4.9 -61.4 120 11 349.9 349.9 296.6 350.0 0.03 24 150 14240 -68.1 -72.1 56 4.0 -68.1 80 16 352.8 352.8 297.3 352.8 0.02 25 149 14280 -68.3 -72.2 57 3.9 -68.3 80 17 353.1 353.1 297.3 353.2 0.01 26 124 15371 -72.5 -81.5 24 9.0 -72.5 342 16 364.5 364.5 299.6 364.5 0.00 27 104 16387 -79.3 -84.2 44 4.9 -79.3 282 19 370.3 370.3 300.6 370.3 0.00 28 100 16610 -79.1 -84.1 44 5.0 -79.1 295 17 374.9 374.9 301.4 374.9 0.00 29 92 17080 -82.3 -86.5 48 4.2 -82.3 320 23 377.6 377.6 301.9 377.6 0.00 30 81 17791 -82.1 -87.1 42 5.0 -82.1 289 16 392.0 392.0 304.1 392.0 0.00 31 70 18620 -76.1 -86.1 19 10.0 -76.2 145 14 421.6 421.6 307.9 421.6 0.00 32 69 18703 -76.1 -86.1 19 10.0 -76.2 146 14 423.3 423.3 308.1 423.3 0.00 33 62 19319 -77.3 -88.3 16 11.0 -77.3 156 15 433.8 433.8 309.3 433.8 0.00 34 60 19508 -75.3 -87.3 14 12.0 -75.3 166 13 442.4 442.4 310.1 442.4 0.00 35 57 19810 -68.7 -85.7 7 17.0 -68.9 174 11 463.9 463.9 312.1 463.9 0.00 36 51 20472 -71.3 -89.3 5 18.0 -71.4 94 11 472.8 472.8 312.8 472.8 0.00 37 50 20590 -68.7 -88.7 4 20.0 -68.9 125 14 481.6 481.6 313.6 481.6 0.00 38 46 21094 -65.1 -89.1 2 24.0 -65.4 84 34 501.9 501.9 315.1 501.9 0.00 39 38 22250 -68.3 -91.3 2 23.0 -68.5 109 36 521.9 521.9 316.4 521.9 0.00 40 33 23114 -60.3 -90.3 1 30.0 -61.1 83 51 564.6 564.7 318.9 564.7 0.00 41 30 23710 -58.9 -89.9 1 31.0 -59.9 90 48 584.1 584.1 319.9 584.1 0.00 42 27 24374 -56.9 -88.9 1 32.0 -58.3 87 45 607.6 607.6 320.9 607.6 0.01 43 26 24613 -57.3 -89.3 1 32.0 -58.7 86 45 613.0 613.0 321.2 613.0 0.01 TRP 92 17080 -82.3 -86.5 48 4.2 -82.3 320 23 377.6 377.6 301.9 377.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 571.00 mb = 4815.68 m = 15799.28 ft Wetbulb zero: 605.54 mb = 4340.59 m = 14240.59 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 69.35 % Est. max temperature: 34.79 C = 94.61 F Sfc-Lift cond lev (LCL): 971.51 mb = 334.98 m = 1099.00 ft T: 23.78 C 700-500 lapse rate: 5.84 C/km ThetaE index: 9.95 C Layer 944.0- 622.0 mb Conv cond level (CCL): 760.16 mb = 2450.81 m = 8040.61 ft Mean mixing ratio: 14.31 g/kg Conv temperature: 38.58 C = 101.45 F Cap Strength: 4.77 C Lifted Index: -0.36 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.58 C Lifted Index @700 mb: 1.47 C Showalter Index: 1.69 C Risk: Showers probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 17.30 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 171.60 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.66 J/kg Max Up Vert Vel: 11.97 m/s Conv Inhibition (B-): 332.00 J/kg Cap Strength: 4.77 C Lift Cond Lev (LCL): 874.05 mb = 1255.51 m = 4119.08 ft Lev Free Conv (LFC): 579.05 mb = 4702.86 m = 15429.14 ft Equ Level (EL): 419.05 mb = 7235.22 m = 23737.31 ft B at Equ Level: 71.54 J/kg Max Parcel Lev (MPL): 309.05 mb = 9492.79 m = 31143.96 ft Wind level data Storm motion: 101 at 7 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 1000 85 170 2 -0.3 2.0 | 265 7 6.8 0.6 1 975 305 100 4 -3.9 0.7 | 283 3 3.2 -0.7 2 941 610 50 2 -1.5 -1.3 | 296 6 5.6 -2.7 3 925 761 25 6 -2.5 -5.4 | 326 8 4.6 -6.9 4 909 914 75 6 -5.8 -1.6 | 335 3 1.4 -3.0 5 850 1499 70 9 -8.5 -3.1 | 16 5 -1.3 -4.5 6 848 1524 85 10 -10.0 -0.9 | 51 4 -2.8 -2.3 7 789 2134 115 6 -5.4 2.5 | 237 2 1.7 1.1 8 761 2438 95 9 -9.0 0.8 | 71 2 -1.8 -0.6 9 734 2743 100 10 -9.8 1.7 | 97 3 -2.7 0.3 10 700 3148 85 6 -6.0 -0.5 | 329 2 1.2 -1.9 11 683 3353 70 12 -11.3 -4.1 | 37 7 -4.1 -5.5 12 633 3962 90 11 -11.0 0.0 | 70 4 -3.8 -1.4 13 610 4267 85 8 -8.0 -0.7 | 21 2 -0.8 -2.1 14 587 4572 45 11 -7.8 -7.8 | 4 9 -0.6 -9.2 15 544 5182 60 18 -15.6 -9.0 | 39 13 -8.4 -10.4 16 505 5791 40 14 -9.0 -10.7 | 9 12 -1.8 -12.1 17 500 5870 55 12 -9.8 -6.9 | 18 9 -2.7 -8.3 18 486 6096 55 12 -9.8 -6.9 | 18 9 -2.7 -8.3 19 467 6401 75 10 -9.7 -2.6 | 32 5 -2.5 -4.0 20 415 7315 25 10 -4.2 -9.1 | 344 11 2.9 -10.5 21 400 7590 50 12 -9.2 -7.7 | 13 9 -2.0 -9.1 22 398 7620 50 12 -9.2 -7.7 | 13 9 -2.0 -9.1 23 382 7925 35 10 -5.7 -8.2 | 352 10 1.4 -9.6 24 367 8230 55 14 -11.5 -8.0 | 24 10 -4.3 -9.4 25 352 8534 45 15 -10.6 -10.6 | 16 13 -3.4 -12.0 26 324 9144 80 13 -12.8 -2.3 | 57 7 -5.6 -3.7 27 300 9710 65 11 -10.0 -4.6 | 25 7 -2.8 -6.1 28 285 10058 65 11 -10.0 -4.6 | 25 7 -2.8 -6.1 29 250 10980 100 8 -7.9 1.4 | 88 1 -0.7 -0.0 30 218 11887 85 6 -6.0 -0.5 | 329 2 1.2 -1.9 31 208 12192 95 10 -10.0 0.9 | 79 3 -2.8 -0.5 32 200 12460 110 11 -10.3 3.8 | 126 4 -3.2 2.3 33 180 13106 120 10 -8.7 5.0 | 157 4 -1.5 3.6 34 163 13716 120 13 -11.3 6.5 | 141 7 -4.1 5.1 35 150 14240 80 16 -15.8 -2.8 | 64 10 -8.6 -4.2 36 148 14326 80 19 -18.7 -3.3 | 68 12 -11.5 -4.7 37 140 14630 75 15 -14.5 -3.9 | 54 9 -7.3 -5.3 38 133 14935 15 12 -3.1 -11.6 | 343 14 4.1 -13.0 39 126 15240 360 15 -0.0 -15.0 | 336 18 7.2 -16.4 40 120 15545 310 19 14.6 -12.2 | 302 26 21.7 -13.6 41 114 15850 295 24 21.8 -10.1 | 292 31 28.9 -11.6 42 108 16154 270 20 20.0 -0.0 | 273 27 27.2 -1.4 43 100 16610 295 17 15.4 -7.2 | 291 24 22.6 -8.6 44 97 16764 295 15 13.6 -6.3 | 290 22 20.8 -7.8 45 92 17080 320 23 14.8 -17.6 | 311 29 21.9 -19.0 46 87 17374 310 23 17.6 -14.8 | 303 30 24.8 -16.2 47 83 17678 310 18 13.8 -11.6 | 302 25 21.0 -13.0 48 78 17983 255 12 11.6 3.1 | 265 19 18.8 1.7 49 74 18288 280 12 11.8 -2.1 | 280 19 19.0 -3.5 50 70 18593 150 11 -5.5 9.5 | 192 8 1.7 8.1 51 70 18620 145 14 -8.0 11.5 | 175 10 -0.9 10.1 52 63 19202 150 16 -8.0 13.9 | 176 12 -0.8 12.4 53 57 19812 180 11 0.0 11.0 | 217 12 7.2 9.6 54 54 20117 0 0 -0.0 -0.0 | 281 7 7.2 -1.4 55 50 20590 125 14 -11.5 8.0 | 147 8 -4.3 6.6 56 49 20726 165 7 -1.8 6.8 | 225 8 5.4 5.3 57 47 21031 85 33 -32.9 -2.9 | 81 26 -25.7 -4.3 58 44 21336 80 36 -35.5 -6.3 | 75 29 -28.3 -7.7 59 42 21641 70 35 -32.9 -12.0 | 63 29 -25.7 -13.4 60 38 22250 110 36 -33.8 12.3 | 112 29 -26.7 10.9 61 34 22860 80 52 -51.2 -9.0 | 77 45 -44.0 -10.4 62 30 23710 90 48 -48.0 0.0 | 88 41 -40.8 -1.4 63 25 24384 85 44 -43.8 -3.8 | 82 37 -36.7 -5.3 64 22 24994 105 39 -37.7 10.1 | 106 32 -30.5 8.7 Wind Parameters Mean winds (0-6000m): 71.2 at 9.7 knts Storm direction: 101.2 at 7.3 knts Shear (0-3000m) pos: 0.9 neg: 1.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 76.9 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -2.5 tot: 13.7 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 10.43 Bulk Shear: 6.87 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 ------------------------------------------------------------------------------- 500 100 3 282 4| 0.0 3.6 3.6| 2.7 -0.8 1.9 3.9 0.29| 7.2 2.1 1000 71 4 311 4| 2.5 1.8 4.3| 11.2 -0.8 10.4 10.4 0.47| 8.2 3.8 1500 73 6 329 4| 2.7 1.2 3.9| 15.2 -0.8 14.5 9.6 0.55| 7.3 4.0 2000 81 6 336 3| 1.4 0.9 2.3| 15.8 -0.8 15.1 7.5 0.55| 6.7 3.7 2500 86 7 340 2| 1.1 1.4 2.5| 16.0 -1.2 14.8 5.9 0.40| 6.3 2.5 3000 88 7 350 2| 0.9 1.1 2.0| 16.2 -2.5 13.7 4.6 0.27| 5.9 1.6 4000 85 8 18 2| 0.8 1.4 2.2| 23.0 -3.2 19.8 5.0 0.32| 5.9 1.9 5000 78 9 22 3| 1.0 1.7 2.7| 39.0 -7.4 31.6 6.3 0.27| 6.3 1.7 6000 71 10 24 5| 1.0 1.5 2.4| 47.0 -30.0 17.0 2.8 0.17| 6.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251008.00.gif