UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 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 1006 85 23.0 21.0 89 2.0 21.6 120 7 295.6 298.5 294.6 340.9 15.75 1 1000 129 22.8 21.3 91 1.5 21.8 120 7 296.0 298.9 294.9 342.4 16.15 2 980 306 21.8 21.8 100 0.0 21.8 125 12 296.7 299.7 295.7 345.8 17.01 3 927 791 21.0 18.8 87 2.2 19.5 82 11 300.6 303.3 295.3 344.3 14.89 4 925 810 20.8 18.7 88 2.1 19.4 80 11 300.6 303.3 295.3 344.1 14.83 5 890 1144 18.2 17.8 98 0.4 17.9 109 12 301.2 303.9 295.3 344.0 14.56 6 850 1539 16.8 16.3 97 0.5 16.5 135 13 303.7 306.3 295.5 344.9 13.85 7 844 1600 16.8 15.8 94 1.0 16.1 134 13 304.4 306.9 295.4 344.6 13.50 8 700 3173 7.8 7.6 99 0.2 7.7 145 4 311.1 312.9 294.3 340.0 9.40 9 672 3509 5.6 5.6 100 0.0 5.6 137 3 312.3 313.9 294.0 338.7 8.52 10 597 4471 0.6 0.6 100 0.0 0.6 96 1 317.3 318.6 294.0 338.6 6.71 11 502 5849 -5.9 -7.9 86 2.0 -6.8 124 5 325.5 326.3 294.2 339.5 4.21 12 500 5880 -5.9 -8.4 82 2.5 -7.0 125 5 325.8 326.7 294.1 339.4 4.06 13 498 5912 -5.7 -8.8 79 3.1 -7.1 123 5 326.5 327.2 294.3 339.7 3.95 14 473 6314 -9.1 -9.1 100 0.0 -9.1 92 7 327.1 327.9 294.5 340.7 4.06 15 465 6446 -8.9 -10.6 87 1.7 -9.6 80 7 328.9 329.7 294.7 341.4 3.67 16 400 7600 -15.9 -17.7 86 1.8 -16.5 15 17 334.3 334.8 295.0 342.7 2.38 17 318 9292 -27.1 -30.3 74 3.2 -27.8 48 21 341.5 341.7 295.6 345.1 0.97 18 300 9710 -30.3 -33.0 77 2.7 -30.8 55 24 342.7 342.8 295.7 345.7 0.79 19 291 9924 -32.1 -35.3 73 3.2 -32.6 55 24 343.1 343.2 295.7 345.6 0.65 20 265 10573 -37.7 -39.9 80 2.2 -37.9 52 22 344.2 344.3 295.7 346.0 0.45 21 257 10783 -39.3 -42.8 69 3.5 -39.6 43 21 344.9 345.0 295.8 346.3 0.34 22 250 10970 -41.1 -43.1 81 2.0 -41.3 35 21 345.0 345.0 295.8 346.3 0.34 23 244 11135 -42.3 -44.1 82 1.8 -42.5 32 21 345.6 345.6 295.9 346.8 0.31 24 232 11476 -45.3 -49.3 64 4.0 -45.6 35 21 346.0 346.1 295.9 346.8 0.18 25 200 12450 -54.5 -58.5 61 4.0 -54.6 40 19 346.5 346.5 295.9 346.8 0.07 26 171 13430 -63.5 -68.3 52 4.8 -63.6 43 14 347.4 347.4 296.1 347.5 0.02 27 150 14220 -70.3 -75.3 48 5.0 -70.4 350 23 349.0 349.0 296.4 349.0 0.01 28 148 14299 -70.7 -75.7 48 5.0 -70.7 346 24 349.6 349.6 296.5 349.7 0.01 29 126 15249 -71.7 -81.7 21 10.0 -71.8 130 11 364.3 364.3 299.5 364.3 0.00 30 114 15839 -71.7 -83.7 15 12.0 -71.8 53 12 374.9 374.9 301.4 374.9 0.00 31 101 16543 -76.9 -85.9 22 9.0 -76.9 16 8 378.1 378.1 301.9 378.1 0.00 32 100 16600 -77.3 -85.3 27 8.0 -77.3 20 7 378.4 378.4 302.0 378.4 0.00 33 95 16893 -79.5 -85.5 36 6.0 -79.5 95 4 379.7 379.7 302.2 379.7 0.00 34 85 17524 -80.1 -87.1 30 7.0 -80.1 10 2 390.7 390.7 303.9 390.7 0.00 35 73 18393 -76.7 -87.7 16 11.0 -76.7 221 11 415.3 415.3 307.2 415.3 0.00 36 72 18474 -72.1 -87.1 9 15.0 -72.2 258 11 426.7 426.7 308.4 426.7 0.00 37 70 18640 -71.3 -87.3 8 16.0 -71.4 265 23 431.8 431.8 309.0 431.9 0.00 38 69 18725 -71.3 -87.3 8 16.0 -71.4 270 22 433.6 433.6 309.2 433.6 0.00 39 64 19167 -74.5 -88.5 10 14.0 -74.6 266 25 436.0 436.0 309.5 436.0 0.00 40 55 20072 -64.7 -88.7 2 24.0 -65.0 212 15 477.8 477.8 313.2 477.8 0.00 41 50 20650 -67.7 -89.7 3 22.0 -67.9 70 33 484.0 484.0 313.8 484.0 0.00 42 43 21554 -68.5 -91.5 2 23.0 -68.7 108 47 503.3 503.3 315.2 503.3 0.00 43 38 22304 -63.1 -91.1 1 28.0 -63.6 85 54 535.2 535.2 317.2 535.2 0.00 44 31 23565 -59.8 -90.4 1 30.6 -60.7 75 67 576.1 576.1 319.5 576.1 0.00 45 30 23770 -59.3 -90.3 1 31.0 -60.3 75 65 583.0 583.0 319.8 583.0 0.00 46 20 26350 -51.9 -88.9 0 37.0 -54.9 90 45 677.3 677.3 323.7 677.4 0.01 47 17 27407 -50.3 -88.3 0 38.0 -54.1 90 44 714.7 714.7 324.9 714.7 0.01 48 15 28222 -51.5 -88.5 0 37.0 -55.3 92 45 736.7 736.7 325.6 736.8 0.01 TRP 95 16893 -79.5 -85.5 36 6.0 -79.5 95 4 379.7 379.7 302.2 379.7 0.00 WND 31 23565 -59.8 -90.4 1 30.6 -60.7 75 67 576.1 576.1 319.5 576.1 0.00 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 588.23 mb = 4597.73 m = 15084.22 ft Wetbulb zero: 589.27 mb = 4574.18 m = 15006.97 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 95.70 % Est. max temperature: 30.73 C = 87.31 F Sfc-Lift cond lev (LCL): 977.34 mb = 329.67 m = 1081.59 ft T: 21.76 C 700-500 lapse rate: 5.06 C/km ThetaE index: 6.33 C Layer 844.0- 502.0 mb Conv cond level (CCL): 905.86 mb = 990.98 m = 3251.19 ft Mean mixing ratio: 15.81 g/kg Conv temperature: 28.30 C = 82.94 F Cap Strength: 1.47 C Lifted Index: -0.94 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.15 C Lifted Index @700 mb: -1.24 C Showalter Index: -1.06 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.20 C K Index: 38.80 Risk: > 80 % chance of thunderstorms Sweat Index: 226.60 Risk: None Energy Index: -1.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 256.55 J/kg Max Up Vert Vel: 22.65 m/s Conv Inhibition (B-): 24.66 J/kg Cap Strength: 1.44 C Lift Cond Lev (LCL): 938.91 mb = 679.81 m = 2230.33 ft Lev Free Conv (LFC): 783.91 mb = 2220.82 m = 7286.06 ft Equ Level (EL): 363.91 mb = 8297.69 m = 27223.05 ft B at Equ Level: 256.12 J/kg Max Parcel Lev (MPL): 173.91 mb = 13324.78 m = 43715.95 ft Wind level data Storm motion: 150 at 5 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 1006 85 120 7 -6.1 3.5 | 80 4 -3.7 -0.7 1 1000 129 120 7 -6.1 3.5 | 80 4 -3.7 -0.7 2 980 305 125 12 -9.8 6.9 | 110 8 -7.5 2.7 3 946 610 100 12 -11.8 2.1 | 78 10 -9.4 -2.1 4 925 810 80 11 -10.8 -1.9 | 54 10 -8.5 -6.1 5 914 914 75 12 -11.6 -3.1 | 52 12 -9.2 -7.3 6 882 1219 120 12 -10.4 6.0 | 103 8 -8.0 1.8 7 851 1524 135 14 -9.9 9.9 | 127 9 -7.5 5.7 8 850 1539 135 13 -9.2 9.2 | 126 8 -6.8 5.0 9 792 2134 130 10 -7.7 6.4 | 113 6 -5.3 2.3 10 764 2438 120 8 -6.9 4.0 | 88 5 -4.6 -0.2 11 700 3173 145 4 -2.3 3.3 | 355 1 0.1 -0.9 12 611 4267 120 1 -0.9 0.5 | 338 4 1.5 -3.7 13 588 4572 80 1 -1.0 -0.2 | 342 5 1.4 -4.3 14 500 5880 125 5 -4.1 2.9 | 53 2 -1.7 -1.3 15 486 6096 110 6 -5.6 2.1 | 57 4 -3.3 -2.1 16 415 7315 5 10 -0.9 -10.0 | 354 14 1.5 -14.1 17 400 7600 15 17 -4.4 -16.4 | 6 21 -2.0 -20.6 18 367 8230 10 19 -3.3 -18.7 | 2 23 -0.9 -22.9 19 338 8839 40 17 -10.9 -13.0 | 26 19 -8.6 -17.2 20 300 9710 55 24 -19.7 -13.8 | 44 25 -17.3 -17.9 21 285 10058 55 24 -19.7 -13.8 | 44 25 -17.3 -17.9 22 273 10363 60 22 -19.1 -11.0 | 48 23 -16.7 -15.2 23 250 10970 35 21 -12.0 -17.2 | 24 23 -9.7 -21.4 24 239 11278 30 21 -10.5 -18.2 | 20 24 -8.1 -22.3 25 208 12192 55 19 -15.6 -10.9 | 41 20 -13.2 -15.1 26 200 12450 40 19 -12.2 -14.6 | 28 21 -9.8 -18.7 27 180 13106 30 16 -8.0 -13.9 | 17 19 -5.6 -18.0 28 163 13716 55 13 -10.6 -7.5 | 35 14 -8.3 -11.6 29 155 14021 30 16 -8.0 -13.9 | 17 19 -5.6 -18.0 30 150 14220 350 23 4.0 -22.7 | 347 28 6.4 -26.8 31 147 14326 345 24 6.2 -23.2 | 343 29 8.6 -27.3 32 133 14935 20 12 -4.1 -11.3 | 6 16 -1.7 -15.4 33 126 15240 130 11 -8.4 7.1 | 116 7 -6.0 2.9 34 120 15545 100 12 -11.8 2.1 | 78 10 -9.4 -2.1 35 114 15850 50 12 -9.2 -7.7 | 30 14 -6.8 -11.9 36 108 16154 45 10 -7.1 -7.1 | 23 12 -4.7 -11.2 37 102 16459 10 10 -1.7 -9.8 | 357 14 0.6 -14.0 38 100 16600 20 7 -2.4 -6.6 | 0 11 -0.0 -10.7 39 97 16764 20 7 -2.4 -6.6 | 0 11 -0.0 -10.7 40 95 16893 95 4 -4.0 0.3 | 23 4 -1.6 -3.8 41 79 17983 310 1 0.8 -0.6 | 327 6 3.1 -4.8 42 74 18288 170 10 -1.7 9.8 | 186 6 0.6 5.7 43 71 18593 310 12 9.2 -7.7 | 316 17 11.6 -11.9 44 70 18640 265 23 22.9 2.0 | 275 25 25.3 -2.2 45 67 18898 280 20 19.7 -3.5 | 289 23 22.1 -7.6 46 64 19202 265 25 24.9 2.2 | 274 27 27.3 -2.0 47 61 19507 240 20 17.3 10.0 | 253 21 19.7 5.8 48 58 19812 260 21 20.7 3.6 | 271 23 23.1 -0.5 49 55 20117 205 14 5.9 12.7 | 224 12 8.3 8.5 50 52 20422 120 15 -13.0 7.5 | 107 11 -10.6 3.3 51 50 20650 70 33 -31.0 -11.3 | 62 33 -28.6 -15.4 52 49 20726 85 25 -24.9 -2.2 | 74 23 -22.5 -6.3 53 47 21031 70 33 -31.0 -11.3 | 62 33 -28.6 -15.4 54 45 21336 100 45 -44.3 7.8 | 95 42 -41.9 3.7 55 43 21641 110 47 -44.2 16.1 | 106 43 -41.8 11.9 56 38 22250 85 53 -52.8 -4.6 | 80 51 -50.4 -8.8 57 33 23165 85 61 -60.8 -5.3 | 81 59 -58.4 -9.5 58 31 23565 75 67 -64.7 -17.3 | 71 66 -62.3 -21.5 59 30 23770 75 65 -62.8 -16.8 | 71 64 -60.4 -21.0 60 29 24079 75 67 -64.7 -17.3 | 71 66 -62.3 -21.5 61 20 26350 90 45 -45.0 0.0 | 84 43 -42.6 -4.2 62 18 26822 90 44 -44.0 0.0 | 84 42 -41.6 -4.2 63 11 28346 95 48 -47.8 4.2 | 90 45 -45.4 0.0 Wind Parameters Mean winds (0-6000m): 120.3 at 6.4 knts Storm direction: 150.3 at 4.8 knts Shear (0-3000m) pos: 1.5 neg: 1.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -48.7 deg Storm rel helicity (0-3000m) pos: 33.7 neg: -28.5 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.1 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 106.92 Bulk Shear: 2.40 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 ------------------------------------------------------------------------------- 500 117 11 95 7| 0.0 5.9 5.9| 3.6 -9.6 -6.1 -12.1 -0.18| 9.6 -1.7 1000 101 11 77 9| 0.0 3.0 3.0| 16.5 -22.4 -5.9 -5.9 -0.09| 10.1 -0.9 1500 110 12 89 9| 2.5 2.0 4.6| 33.6 -22.4 11.2 7.5 0.20| 9.7 1.9 2000 116 12 97 8| 1.9 1.5 3.4| 33.6 -25.0 8.7 4.3 0.14| 8.0 1.1 2500 118 11 97 7| 1.5 1.4 2.9| 33.7 -28.1 5.6 2.2 0.06| 7.1 0.4 3000 119 10 96 7| 1.5 1.2 2.6| 33.7 -28.5 5.2 1.7 0.02| 6.5 0.1 4000 121 8 91 5| 1.1 1.2 2.3| 33.7 -29.0 4.7 1.2 -0.01| 5.3 -0.0 5000 120 7 79 4| 0.8 1.0 1.9| 35.7 -29.2 6.5 1.3 0.03| 4.5 0.1 6000 120 6 73 3| 0.7 0.8 1.6| 37.8 -29.2 8.6 1.4 0.08| 4.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251009.12.gif