UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 14 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 1003 85 25.0 22.0 83 3.0 22.9 240 2 297.9 300.9 295.9 346.7 16.82 1 1000 110 25.0 23.1 89 1.9 23.6 240 2 298.1 301.4 296.8 350.7 18.07 2 948 579 23.4 21.2 87 2.2 21.8 301.1 304.2 296.8 351.0 16.95 3 925 793 21.8 21.4 98 0.4 21.5 250 1 301.6 304.8 297.4 353.5 17.61 4 915 888 21.2 21.2 100 0.0 21.2 301.9 305.2 297.4 353.8 17.58 5 850 1527 18.2 15.7 85 2.5 16.5 40 8 305.2 307.7 295.5 345.0 13.32 6 815 1886 15.4 14.3 93 1.1 14.7 305.9 308.3 295.3 344.0 12.68 7 764 2434 13.2 7.2 67 6.0 9.6 309.3 310.8 293.0 334.9 8.37 8 713 3012 8.8 7.3 90 1.5 7.9 310.6 312.3 293.9 338.3 9.04 9 700 3165 8.2 5.2 81 3.0 6.4 325 4 311.6 313.1 293.3 336.1 7.95 10 618 4184 1.2 1.2 100 0.0 1.2 314.8 316.1 293.3 336.1 6.77 11 506 5776 -6.1 -8.2 85 2.1 -7.1 324.5 325.3 293.8 338.0 4.08 12 500 5870 -6.7 -8.2 89 1.5 -7.4 150 6 324.9 325.7 294.0 338.6 4.12 13 449 6701 -12.7 -12.7 100 0.0 -12.7 327.5 328.1 293.9 338.3 3.21 14 413 7338 -14.3 -19.3 66 5.0 -16.0 333.3 333.7 294.4 340.4 2.01 15 400 7580 -16.1 -20.8 67 4.7 -17.6 260 6 334.1 334.4 294.4 340.5 1.82 16 387 7827 -17.9 -24.9 54 7.0 -19.8 334.9 335.1 294.2 339.6 1.31 17 362 8321 -22.3 -26.8 67 4.5 -23.4 335.4 335.7 294.3 339.7 1.18 18 351 8547 -22.9 -30.9 48 8.0 -24.6 337.6 337.8 294.5 340.7 0.83 19 349 8588 -22.3 -34.3 33 12.0 -24.6 339.0 339.1 294.6 341.3 0.60 20 327 9063 -25.3 -38.3 29 13.0 -27.4 341.2 341.3 295.0 342.9 0.43 21 325 9107 -25.7 -37.7 32 12.0 -27.6 341.3 341.4 295.0 343.0 0.46 22 300 9680 -30.7 -39.7 41 9.0 -31.9 190 7 342.1 342.2 295.2 343.7 0.40 23 275 10288 -36.5 -44.5 43 8.0 -37.2 342.3 342.4 295.1 343.4 0.27 24 250 10940 -41.5 -51.5 33 10.0 -42.1 145 6 344.4 344.4 295.5 344.9 0.13 25 200 12410 -54.5 -57.4 70 2.9 -54.6 140 21 346.5 346.5 295.9 346.8 0.08 26 192 12670 -56.9 -60.1 67 3.2 -57.0 346.7 346.7 296.0 346.9 0.06 27 181 13042 -60.1 -61.4 85 1.3 -60.1 347.4 347.4 296.1 347.6 0.05 28 171 13394 -62.9 -67.9 51 5.0 -63.0 348.4 348.4 296.3 348.5 0.02 29 150 14190 -69.1 -73.0 57 3.9 -69.1 115 32 351.1 351.1 296.9 351.1 0.01 30 138 14684 -72.9 -77.9 47 5.0 -72.9 352.8 352.8 297.3 352.9 0.01 31 131 14989 -74.5 -77.1 67 2.6 -74.5 355.3 355.3 297.8 355.3 0.01 32 126 15215 -75.5 -80.5 45 5.0 -75.5 357.4 357.4 298.2 357.5 0.00 33 122 15402 -74.3 -83.3 24 9.0 -74.3 362.9 362.9 299.2 362.9 0.00 34 116 15696 -74.5 -83.5 24 9.0 -74.5 367.8 367.8 300.2 367.8 0.00 35 100 16560 -74.5 -85.5 17 11.0 -74.5 260 41 383.8 383.8 302.9 383.8 0.00 36 83 17630 -77.9 -86.9 22 9.0 -77.9 230 29 397.9 397.9 304.9 397.9 0.00 37 76 18139 -72.5 -87.5 9 15.0 -72.6 419.3 419.3 307.6 419.3 0.00 38 70 18620 -72.9 -87.9 9 15.0 -73.0 310 23 428.4 428.4 308.7 428.4 0.00 39 64 19144 -74.5 -89.5 8 15.0 -74.6 436.0 436.0 309.5 436.0 0.00 40 58 19721 -72.5 -90.5 5 18.0 -72.6 453.0 453.0 311.1 453.0 0.00 41 55 20037 -67.1 -90.1 2 23.0 -67.3 472.3 472.3 312.8 472.3 0.00 42 50 20610 -69.5 -90.5 3 21.0 -69.6 75 24 479.7 479.7 313.4 479.7 0.00 43 45 21234 -70.3 -91.3 3 21.0 -70.5 492.4 492.4 314.4 492.5 0.00 44 42 21646 -66.1 -91.1 2 25.0 -66.4 512.7 512.7 315.8 512.7 0.00 45 30 23710 -59.5 -88.5 1 29.0 -60.4 95 61 582.4 582.4 319.8 582.5 0.01 46 25 24849 -58.9 -87.9 1 29.0 -60.1 615.3 615.3 321.3 615.4 0.01 47 20 26260 -54.3 -87.3 1 33.0 -56.6 85 67 670.0 670.0 323.4 670.0 0.01 TRP 83 17630 -77.9 -86.9 22 9.0 -77.9 230 29 397.9 397.9 304.9 397.9 0.00 WND 18 95 70 Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 599.59 mb = 4445.82 m = 14585.86 ft Wetbulb zero: 601.85 mb = 4395.01 m = 14419.14 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 88.95 % Est. max temperature: 32.17 C = 89.90 F Sfc-Lift cond lev (LCL): 960.45 mb = 464.12 m = 1522.69 ft T: 23.79 C 700-500 lapse rate: 5.51 C/km ThetaE index: 18.95 C Layer 850.0- 713.0 mb Conv cond level (CCL): 910.43 mb = 931.32 m = 3055.48 ft Mean mixing ratio: 17.42 g/kg Conv temperature: 29.26 C = 84.67 F Cap Strength: 0.89 C Lifted Index: -4.38 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.24 C Lifted Index @700 mb: -2.84 C Showalter Index: -1.92 C Risk: Thunderstorms probable Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.40 C K Index: 37.60 Risk: > 80 % chance of thunderstorms Sweat Index: 210.40 Risk: None Energy Index: -1.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1676.05 J/kg Max Up Vert Vel: 57.90 m/s Conv Inhibition (B-): 12.14 J/kg Cap Strength: 0.89 C Lift Cond Lev (LCL): 932.25 mb = 724.84 m = 2378.05 ft Lev Free Conv (LFC): 847.25 mb = 1554.67 m = 5100.56 ft Equ Level (EL): 137.25 mb = 14715.87 m = 48279.83 ft B at Equ Level: 1654.67 J/kg Max Parcel Lev (MPL): 87.25 mb = 17343.04 m = 56899.06 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 18 32251 95 70 -69.7 6.1 1 1003 85 240 2 1.7 1.0 2 1000 110 240 2 1.7 1.0 3 978 305 210 10 5.0 8.7 4 945 610 240 3 2.6 1.5 5 925 793 250 1 0.9 0.3 6 912 914 255 1 1.0 0.3 7 850 1524 45 10 -7.1 -7.1 8 850 1527 40 8 -5.1 -6.1 9 791 2134 70 5 -4.7 -1.7 10 763 2438 55 5 -4.1 -2.9 11 700 3165 325 4 2.3 -3.3 12 610 4267 35 1 -0.6 -0.8 13 545 5182 0 0 -0.0 -0.0 14 500 5870 150 6 -3.0 5.2 15 485 6096 145 6 -3.4 4.9 16 400 7580 260 6 5.9 1.0 17 366 8230 260 4 3.9 0.7 18 337 8839 200 10 3.4 9.4 19 300 9680 190 7 1.2 6.9 20 250 10940 145 6 -3.4 4.9 21 249 10973 135 4 -2.8 2.8 22 238 11278 160 10 -3.4 9.4 23 227 11582 125 13 -10.6 7.5 24 200 12410 140 21 -13.5 16.1 25 188 12802 145 23 -13.2 18.8 26 150 14190 115 32 -29.0 13.5 27 139 14630 110 34 -31.9 11.6 28 125 15240 90 24 -24.0 0.0 29 119 15545 65 18 -16.3 -7.6 30 113 15850 10 14 -2.4 -13.8 31 107 16154 270 26 26.0 -0.0 32 100 16560 260 41 40.4 7.1 33 97 16764 260 42 41.4 7.3 34 92 17069 250 46 43.2 15.7 35 83 17630 230 29 22.2 18.6 36 82 17678 245 38 34.4 16.1 37 74 18288 195 19 4.9 18.4 38 70 18593 275 11 11.0 -1.0 39 70 18620 310 23 17.6 -14.8 40 67 18898 305 25 20.5 -14.3 41 63 19202 300 20 17.3 -10.0 42 60 19507 265 10 10.0 0.9 43 57 19812 345 4 1.0 -3.9 44 54 20117 20 11 -3.8 -10.3 45 52 20422 70 18 -16.9 -6.2 46 50 20610 75 24 -23.2 -6.2 47 49 20726 55 17 -13.9 -9.8 48 47 21031 110 30 -28.2 10.3 49 42 21641 100 37 -36.4 6.4 50 40 21946 65 37 -33.5 -15.6 51 36 22555 110 42 -39.5 14.4 52 35 22860 95 59 -58.8 5.1 53 31 23470 105 48 -46.4 12.4 54 30 23710 95 61 -60.8 5.3 55 28 24079 95 62 -61.8 5.4 56 26 24689 90 61 -61.0 0.0 57 20 26260 85 67 -66.7 -5.8 58 15 27127 95 70 -69.7 6.1 Wind Parameters Energy-Hel index: -104.74 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251014.12.gif