UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 9 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 26.0 22.0 79 4.0 23.1 160 2 299.1 302.2 296.3 348.4 16.87 1 989 183 28.2 20.2 62 8.0 22.5 145 6 302.3 305.1 296.0 347.3 15.24 2 974 319 28.0 20.0 62 8.0 22.3 145 9 303.4 306.3 296.4 348.8 15.28 3 925 776 24.4 19.8 76 4.6 21.1 145 13 304.3 307.2 297.0 351.6 15.91 4 850 1511 19.0 14.5 75 4.5 16.0 120 9 306.0 308.3 295.0 343.0 12.31 5 790 2137 14.6 12.6 88 2.0 13.3 105 10 307.8 310.0 295.1 343.2 11.69 6 700 3153 8.4 6.0 85 2.4 6.9 65 12 311.8 313.4 293.7 337.8 8.41 7 654 3712 5.4 2.7 83 2.7 3.9 57 11 314.5 315.9 293.6 336.9 7.13 8 631 4004 4.8 -4.2 52 9.0 0.3 70 10 317.1 317.9 292.1 331.3 4.44 9 623 4108 4.2 -0.8 70 5.0 1.5 68 10 317.5 318.7 293.3 336.1 5.80 10 559 4983 -0.7 -7.7 59 7.0 -4.0 69 10 321.8 322.5 292.9 334.4 3.83 11 551 5098 -0.5 -14.5 34 14.0 -6.0 78 10 323.3 323.8 292.0 331.0 2.26 12 534 5349 -1.5 -15.5 34 14.0 -7.0 82 10 325.0 325.5 292.3 332.4 2.14 13 529 5424 -1.7 -33.7 7 32.0 -9.7 81 10 325.7 325.8 290.9 327.2 0.42 14 500 5870 -4.9 -10.9 63 6.0 -7.5 80 12 327.1 327.7 293.9 338.3 3.33 15 475 6271 -8.1 -10.0 86 1.9 -8.9 81 11 327.9 328.7 294.5 340.6 3.77 16 404 7514 -13.5 -21.5 51 8.0 -16.0 14 14 336.5 336.8 295.0 342.6 1.70 17 400 7590 -14.3 -22.3 51 8.0 -16.8 10 14 336.4 336.7 294.8 342.2 1.60 18 370 8175 -19.1 -25.1 59 6.0 -20.7 19 16 337.6 337.9 294.9 342.5 1.35 19 342 8756 -22.9 -30.9 48 8.0 -24.6 20 14 340.1 340.3 295.1 343.3 0.85 20 331 8994 -25.3 -30.3 63 5.0 -26.3 20 14 340.0 340.2 295.1 343.5 0.93 21 316 9329 -27.5 -35.5 46 8.0 -28.9 9 15 341.5 341.6 295.2 343.8 0.59 22 300 9700 -30.7 -38.7 45 8.0 -31.8 5 13 342.1 342.2 295.3 343.9 0.45 23 266 10544 -37.5 -45.5 43 8.0 -38.2 2 10 344.2 344.2 295.6 345.1 0.25 24 250 10970 -40.9 -50.9 33 10.0 -41.6 360 8 345.3 345.3 295.7 345.8 0.14 25 243 11163 -42.5 -52.5 33 10.0 -43.1 14 9 345.7 345.7 295.8 346.2 0.12 26 206 12259 -51.7 -59.7 38 8.0 -52.0 73 17 347.9 348.0 296.3 348.2 0.06 27 200 12450 -53.1 -63.1 29 10.0 -53.4 75 19 348.7 348.7 296.4 348.9 0.04 28 198 12515 -53.5 -64.5 25 11.0 -53.8 71 17 349.0 349.1 296.4 349.2 0.03 29 185 12948 -57.5 -65.5 35 8.0 -57.6 89 23 349.4 349.4 296.5 349.5 0.03 30 161 13811 -64.9 -69.7 51 4.8 -65.0 80 32 351.1 351.1 296.9 351.2 0.02 31 155 14042 -66.7 -74.7 32 8.0 -66.8 77 34 351.9 351.9 297.0 351.9 0.01 32 150 14240 -67.7 -75.7 31 8.0 -67.8 75 36 353.5 353.5 297.4 353.5 0.01 33 144 14485 -68.5 -78.5 22 10.0 -68.5 65 33 356.2 356.2 298.0 356.2 0.01 34 137 14782 -70.1 -76.1 41 6.0 -70.1 46 23 358.5 358.5 298.4 358.5 0.01 35 114 15855 -76.9 -82.9 38 6.0 -76.9 280 10 365.2 365.2 299.7 365.2 0.00 36 107 16221 -75.1 -84.1 23 9.0 -75.1 316 6 375.3 375.3 301.5 375.3 0.00 37 101 16553 -77.3 -85.3 27 8.0 -77.3 331 9 377.3 377.3 301.8 377.3 0.00 38 100 16610 -77.5 -85.5 26 8.0 -77.5 325 12 378.0 378.0 301.9 378.0 0.00 39 83 17661 -82.7 -87.7 42 5.0 -82.7 200 8 388.1 388.1 303.5 388.1 0.00 40 74 18303 -80.9 -87.9 30 7.0 -80.9 201 13 404.8 404.8 305.9 404.8 0.00 41 70 18620 -75.3 -87.3 14 12.0 -75.3 335 13 423.3 423.3 308.1 423.3 0.00 42 66 18966 -71.1 -87.1 8 16.0 -71.2 336 18 439.6 439.6 309.8 439.6 0.00 43 61 19433 -72.3 -89.3 6 17.0 -72.4 275 11 447.0 447.0 310.6 447.0 0.00 44 50 20610 -71.3 -90.3 4 19.0 -71.4 120 20 475.5 475.5 313.1 475.5 0.00 45 48 20852 -71.7 -90.7 4 19.0 -71.8 118 15 480.1 480.1 313.5 480.1 0.00 46 46 21106 -66.9 -89.9 3 23.0 -67.2 104 25 497.6 497.6 314.8 497.6 0.00 47 31 23517 -63.1 -91.1 1 28.0 -63.7 85 55 567.3 567.3 319.0 567.3 0.00 48 30 23720 -60.7 -90.7 1 30.0 -61.6 85 54 579.2 579.2 319.6 579.2 0.00 49 28 24152 -56.7 -89.7 1 33.0 -58.1 88 52 601.8 601.8 320.7 601.9 0.00 50 24 25132 -54.8 -88.4 1 33.6 -56.8 75 64 634.5 634.5 322.1 634.6 0.01 51 22 25689 -53.7 -87.7 1 34.0 -56.1 77 59 653.7 653.7 322.8 653.8 0.01 52 21 25987 -54.3 -88.3 1 34.0 -56.6 78 55 660.7 660.7 323.1 660.7 0.01 53 20 26300 -52.9 -87.9 1 35.0 -55.6 80 51 674.3 674.3 323.6 674.3 0.01 54 17 27352 -51.3 -87.3 1 36.0 -54.8 84 51 711.5 711.5 324.8 711.5 0.01 55 15 28178 -44.5 -84.5 0 40.0 -50.9 86 51 760.0 760.0 326.2 760.2 0.02 56 13 29132 -46.5 -85.5 0 39.0 -52.5 89 51 784.8 784.8 326.8 785.0 0.02 TRP 83 17661 -82.7 -87.7 42 5.0 -82.7 200 8 388.1 388.1 303.5 388.1 0.00 WND 24 25132 -54.8 -88.4 1 33.6 -56.8 75 64 634.5 634.5 322.1 634.6 0.01 Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 568.14 mb = 4858.01 m = 15938.17 ft Wetbulb zero: 605.07 mb = 4343.98 m = 14251.72 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 68.94 % Est. max temperature: 32.90 C = 91.22 F Sfc-Lift cond lev (LCL): 943.66 mb = 599.33 m = 1966.29 ft T: 25.79 C 700-500 lapse rate: 4.90 C/km ThetaE index: 11.81 C Layer 700.0- 623.0 mb Conv cond level (CCL): 832.42 mb = 1689.83 m = 5543.98 ft Mean mixing ratio: 15.51 g/kg Conv temperature: 33.41 C = 92.13 F Cap Strength: 1.95 C Lifted Index: -1.81 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.16 C Lifted Index @700 mb: -2.11 C Showalter Index: 0.71 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 19.40 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 204.00 Risk: None Energy Index: -0.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 684.18 J/kg Max Up Vert Vel: 36.99 m/s Conv Inhibition (B-): 49.25 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 868.89 mb = 1319.97 m = 4330.57 ft Lev Free Conv (LFC): 793.89 mb = 2095.44 m = 6874.72 ft Equ Level (EL): 183.89 mb = 12985.53 m = 42602.94 ft B at Equ Level: 681.90 J/kg Max Parcel Lev (MPL): 103.89 mb = 16390.64 m = 53774.43 ft Wind level data Storm motion: 119 at 8 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 85 160 2 -0.7 1.9 | 288 6 6.2 -2.0 1 1000 84 145 4 -2.3 3.3 | 277 5 4.6 -0.6 2 975 305 145 9 -5.2 7.4 | 206 4 1.7 3.5 3 943 610 145 12 -6.9 9.8 | 180 6 -0.0 6.0 4 925 776 145 13 -7.5 10.6 | 175 7 -0.6 6.8 5 910 914 145 12 -6.9 9.8 | 180 6 -0.0 6.0 6 879 1219 145 11 -6.3 9.0 | 186 5 0.6 5.2 7 850 1511 120 9 -7.8 4.5 | 125 1 -0.9 0.6 8 790 2134 105 10 -9.7 2.6 | 66 3 -2.8 -1.3 9 762 2438 85 12 -12.0 -1.0 | 46 7 -5.1 -4.9 10 735 2743 70 11 -10.3 -3.8 | 24 8 -3.5 -7.6 11 700 3153 65 12 -10.9 -5.1 | 24 10 -4.0 -8.9 12 658 3658 55 11 -9.0 -6.3 | 12 10 -2.1 -10.2 13 633 3962 70 10 -9.4 -3.4 | 19 8 -2.5 -7.3 14 610 4267 65 9 -8.2 -3.8 | 10 8 -1.3 -7.7 15 587 4572 40 10 -6.4 -7.7 | 358 12 0.4 -11.5 16 544 5182 85 10 -10.0 -0.9 | 33 6 -3.1 -4.7 17 505 5791 75 11 -10.6 -2.8 | 29 8 -3.8 -6.7 18 500 5870 80 12 -11.8 -2.1 | 40 8 -4.9 -5.9 19 486 6096 90 11 -11.0 0.0 | 47 6 -4.1 -3.9 20 400 7590 10 14 -2.4 -13.8 | 346 18 4.4 -17.6 21 398 7620 10 14 -2.4 -13.8 | 346 18 4.4 -17.6 22 367 8230 20 16 -5.5 -15.0 | 356 19 1.4 -18.9 23 324 9144 20 13 -4.4 -12.2 | 351 16 2.4 -16.1 24 310 9449 360 17 -0.0 -17.0 | 342 22 6.9 -20.9 25 300 9700 5 13 -1.1 -13.0 | 341 18 5.7 -16.8 26 250 10970 360 8 -0.0 -8.0 | 330 14 6.9 -11.9 27 250 10973 360 8 -0.0 -8.0 | 330 14 6.9 -11.9 28 218 11887 70 14 -13.2 -4.8 | 36 11 -6.3 -8.6 29 200 12450 75 19 -18.4 -4.9 | 53 14 -11.5 -8.8 30 199 12497 70 17 -16.0 -5.8 | 43 13 -9.1 -9.7 31 189 12802 90 22 -22.0 0.0 | 76 16 -15.1 -3.9 32 150 14240 75 36 -34.8 -9.3 | 65 31 -27.9 -13.2 33 148 14326 75 39 -37.7 -10.1 | 66 34 -30.8 -13.9 34 133 14935 35 17 -9.8 -13.9 | 9 18 -2.9 -17.8 35 126 15240 25 15 -6.3 -13.6 | 358 17 0.5 -17.4 36 120 15545 300 12 10.4 -6.0 | 300 20 17.3 -9.9 37 114 15850 280 10 9.8 -1.7 | 288 18 16.7 -5.6 38 103 16459 340 4 1.4 -3.8 | 313 11 8.2 -7.6 39 100 16610 325 12 6.9 -9.8 | 315 19 13.8 -13.7 40 97 16764 325 12 6.9 -9.8 | 315 19 13.8 -13.7 41 92 17069 320 10 6.4 -7.7 | 311 18 13.3 -11.5 42 83 17661 200 8 2.7 7.5 | 249 10 9.6 3.7 43 74 18288 190 13 2.3 12.8 | 226 13 9.1 8.9 44 70 18593 360 15 -0.0 -15.0 | 340 20 6.9 -18.9 45 70 18620 335 13 5.5 -11.8 | 322 20 12.4 -15.6 46 67 18898 350 19 3.3 -18.7 | 336 25 10.2 -22.6 47 63 19202 290 13 12.2 -4.4 | 293 21 19.1 -8.3 48 60 19507 270 10 10.0 -0.0 | 283 17 16.9 -3.9 49 57 19812 350 1 0.2 -1.0 | 304 9 7.0 -4.8 50 54 20117 10 11 -1.9 -10.8 | 341 16 5.0 -14.7 51 50 20610 120 20 -17.3 10.0 | 120 12 -10.4 6.1 52 49 20726 120 11 -9.5 5.5 | 122 3 -2.7 1.6 53 47 21031 115 21 -19.0 8.9 | 112 13 -12.2 5.0 54 44 21336 75 34 -32.8 -8.8 | 64 29 -26.0 -12.7 55 40 21946 100 41 -40.4 7.1 | 96 34 -33.5 3.3 56 36 22555 85 57 -56.8 -5.0 | 80 51 -49.9 -8.8 57 30 23720 85 54 -53.8 -4.7 | 80 48 -46.9 -8.6 58 27 24384 90 51 -51.0 0.0 | 85 44 -44.1 -3.9 59 24 25132 75 64 -61.8 -16.6 | 70 59 -54.9 -20.4 60 23 25298 75 64 -61.8 -16.6 | 70 59 -54.9 -20.4 61 20 26300 80 51 -50.2 -8.9 | 74 45 -43.4 -12.7 62 8 29261 100 50 -49.2 8.7 | 97 43 -42.4 4.8 Wind Parameters Mean winds (0-6000m): 89.3 at 10.5 knts Storm direction: 119.3 at 7.9 knts Shear (0-3000m) pos: 0.0 neg: 2.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 107.3 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -18.8 tot: -17.2 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.57 Storm rel vorticity (0-3000m) horiz: 4.6 stream: -2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 62.29 Bulk Shear: 10.98 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 ------------------------------------------------------------------------------- 500 145 9 210 4| 0.0 8.0 8.0| 0.0 -7.0 -7.0 -14.0 -0.86| 8.0 -6.9 1000 145 10 191 5| 0.0 3.8 3.8| 1.4 -8.1 -6.7 -6.7 -0.62| 5.4 -3.4 1500 142 10 186 4| 0.0 2.0 2.0| 1.7 -9.9 -8.3 -5.5 -0.57| 5.5 -3.1 2000 135 10 174 3| 0.0 1.9 1.9| 1.7 -10.6 -9.0 -4.5 -0.58| 4.7 -2.7 2500 125 10 144 3| 0.0 2.2 2.2| 1.7 -15.7 -14.0 -5.6 -0.57| 5.0 -2.8 3000 115 11 104 3| 0.0 2.0 2.0| 1.7 -18.8 -17.2 -5.7 -0.57| 4.6 -2.6 4000 100 11 61 4| 0.3 1.5 1.8| 3.9 -25.2 -21.3 -5.3 -0.52| 4.1 -2.2 5000 91 10 45 5| 0.9 1.5 2.3| 14.2 -31.5 -17.3 -3.5 -0.35| 4.5 -1.6 6000 89 11 42 5| 0.9 1.2 2.1| 19.7 -32.3 -12.6 -2.1 -0.25| 4.3 -1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251009.00.gif