UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 11 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 1002 85 27.0 21.0 70 6.0 22.7 200 3 300.0 302.9 295.8 346.3 15.81 1 1000 96 26.8 21.8 74 5.0 23.2 145 4 300.0 303.0 296.4 348.7 16.66 2 925 784 22.6 20.1 86 2.5 20.8 140 13 302.4 305.4 296.7 350.4 16.22 3 850 1518 18.4 16.4 88 2.0 17.0 70 8 305.4 308.0 296.0 347.1 13.94 4 752 2560 12.0 11.9 99 0.1 11.9 92 14 309.4 311.6 295.5 345.1 11.73 5 700 3159 9.2 9.0 99 0.2 9.1 90 12 312.7 314.6 295.4 344.7 10.36 6 661 3632 7.0 4.3 83 2.7 5.4 113 11 315.4 316.9 294.4 340.2 7.91 7 629 4038 4.2 3.8 97 0.4 3.9 106 11 316.7 318.2 294.8 342.0 8.02 8 589 4572 3.0 -2.0 70 5.0 0.4 98 14 321.3 322.4 294.2 339.5 5.62 9 571 4823 1.4 -4.6 64 6.0 -1.6 96 17 322.3 323.2 293.8 337.9 4.76 10 528 5449 -2.7 -5.0 84 2.3 -3.8 118 12 324.6 325.6 294.6 341.1 5.00 11 500 5880 -4.7 -9.7 68 5.0 -7.0 90 2 327.3 328.0 294.2 339.6 3.66 12 481 6184 -6.5 -13.5 58 7.0 -9.4 76 5 328.7 329.3 293.9 338.3 2.81 13 454 6633 -9.5 -10.4 93 0.9 -9.9 80 6 330.5 331.2 295.1 343.4 3.82 14 429 7068 -12.5 -13.0 96 0.5 -12.7 85 7 332.0 332.7 295.1 343.3 3.28 15 412 7376 -13.9 -17.2 76 3.3 -15.1 88 8 334.1 334.6 294.9 342.5 2.41 16 407 7469 -14.7 -17.5 79 2.8 -15.7 89 8 334.2 334.7 295.0 342.6 2.38 17 400 7600 -15.5 -18.6 77 3.1 -16.6 90 8 334.8 335.3 295.0 342.6 2.20 18 392 7752 -16.5 -23.5 55 7.0 -18.5 85 8 335.5 335.8 294.5 340.8 1.47 19 381 7966 -18.3 -23.1 66 4.8 -19.7 79 8 335.8 336.2 294.7 341.5 1.56 20 319 9270 -26.9 -40.9 25 14.0 -28.9 64 11 341.4 341.5 295.0 342.7 0.34 21 316 9338 -27.5 -32.4 63 4.9 -28.4 65 11 341.5 341.7 295.4 344.5 0.80 22 309 9499 -28.5 -39.5 34 11.0 -30.1 67 11 342.3 342.4 295.3 343.9 0.40 23 307 9545 -28.7 -37.7 42 9.0 -30.1 68 11 342.7 342.8 295.4 344.6 0.49 24 300 9710 -30.1 -38.1 46 8.0 -31.3 70 11 343.0 343.1 295.5 344.8 0.48 25 290 9950 -32.1 -44.1 29 12.0 -33.4 70 15 343.4 343.5 295.4 344.5 0.26 26 279 10222 -34.5 -40.5 54 6.0 -35.2 64 21 343.8 343.9 295.6 345.4 0.40 27 258 10765 -38.7 -52.7 21 14.0 -39.6 66 27 345.4 345.4 295.7 345.9 0.11 28 250 10980 -40.9 -50.9 33 10.0 -41.6 70 28 345.3 345.3 295.7 345.8 0.14 29 209 12174 -51.1 -53.3 77 2.2 -51.2 95 34 347.4 347.5 296.2 348.0 0.13 30 204 12332 -52.3 -56.9 58 4.6 -52.5 85 35 348.0 348.0 296.3 348.3 0.09 31 201 12428 -52.9 -55.1 77 2.2 -53.0 77 36 348.5 348.5 296.4 349.0 0.11 32 200 12460 -53.1 -56.0 71 2.9 -53.2 75 36 348.7 348.7 296.4 349.1 0.10 33 196 12590 -54.3 -62.3 37 8.0 -54.5 73 36 348.8 348.8 296.4 349.0 0.04 34 188 12856 -56.7 -61.6 54 4.9 -56.8 70 37 349.1 349.1 296.5 349.3 0.05 35 185 12958 -57.5 -67.5 27 10.0 -57.7 69 37 349.4 349.4 296.5 349.5 0.02 36 152 14170 -67.9 -72.9 49 5.0 -67.9 57 35 351.8 351.8 297.0 351.8 0.01 37 150 14250 -68.5 -74.5 42 6.0 -68.5 55 34 352.1 352.1 297.1 352.1 0.01 38 147 14371 -69.3 -76.3 35 7.0 -69.4 54 31 352.7 352.7 297.3 352.8 0.01 39 144 14494 -68.3 -77.3 26 9.0 -68.4 53 27 356.6 356.6 298.0 356.6 0.01 40 129 15144 -73.5 -77.4 55 3.9 -73.5 66 12 358.6 358.6 298.4 358.7 0.01 41 113 15906 -79.1 -83.8 46 4.7 -79.1 45 9 362.0 362.0 299.1 362.0 0.00 42 100 16600 -79.1 -85.1 37 6.0 -79.1 135 23 374.9 374.9 301.4 374.9 0.00 43 76 18173 -74.5 -86.5 14 12.0 -74.6 310 13 415.1 415.1 307.2 415.1 0.00 44 73 18406 -75.9 -87.9 13 12.0 -75.9 264 17 417.0 417.0 307.3 417.0 0.00 45 70 18650 -72.3 -87.3 9 15.0 -72.4 275 17 429.7 429.7 308.8 429.7 0.00 46 69 18735 -70.7 -86.7 8 16.0 -70.8 275 17 434.9 434.9 309.4 434.9 0.00 47 61 19466 -70.7 -88.7 5 18.0 -70.8 244 22 450.5 450.5 310.9 450.5 0.00 48 56 19971 -72.9 -90.9 5 18.0 -73.0 187 11 456.7 456.7 311.5 456.7 0.00 49 50 20640 -70.3 -90.3 4 20.0 -70.5 110 18 477.8 477.8 313.2 477.8 0.00 50 48 20883 -70.3 -92.3 3 22.0 -70.5 121 17 483.4 483.4 313.7 483.4 0.00 51 46 21140 -64.9 -89.9 2 25.0 -65.3 93 25 502.4 502.4 315.1 502.4 0.00 52 39 22146 -66.5 -91.5 2 25.0 -66.8 90 47 522.6 522.6 316.5 522.6 0.00 53 30 23750 -63.1 -92.1 1 29.0 -63.7 95 62 572.6 572.6 319.3 572.6 0.00 54 29 23959 -61.9 -91.7 1 29.7 -62.7 90 64 581.5 581.5 319.8 581.5 0.00 55 25 24889 -56.7 -89.7 1 33.0 -58.3 90 61 621.7 621.7 321.6 621.7 0.00 TRP 113 15906 -79.1 -83.8 46 4.7 -79.1 45 9 362.0 362.0 299.1 362.0 0.00 WND 29 23959 -61.9 -91.7 1 29.7 -62.7 90 64 581.5 581.5 319.8 581.5 0.00 Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 556.32 mb = 5036.83 m = 16524.82 ft Wetbulb zero: 585.64 mb = 4618.36 m = 15151.92 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 85.59 % Est. max temperature: 32.36 C = 90.25 F Sfc-Lift cond lev (LCL): 918.40 mb = 846.13 m = 2775.99 ft T: 22.24 C 700-500 lapse rate: 5.11 C/km ThetaE index: 10.22 C Layer 850.0- 629.0 mb Conv cond level (CCL): 861.13 mb = 1405.05 m = 4609.67 ft Mean mixing ratio: 16.30 g/kg Conv temperature: 31.99 C = 89.58 F Cap Strength: 1.61 C Lifted Index: -1.61 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.53 C Lifted Index @700 mb: -1.31 C Showalter Index: -0.71 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.10 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 214.80 Risk: None Energy Index: -1.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 659.93 J/kg Max Up Vert Vel: 36.33 m/s Conv Inhibition (B-): 34.29 J/kg Cap Strength: 1.61 C Lift Cond Lev (LCL): 904.35 mb = 979.99 m = 3215.16 ft Lev Free Conv (LFC): 809.35 mb = 1934.73 m = 6347.48 ft Equ Level (EL): 179.35 mb = 13149.39 m = 43140.52 ft B at Equ Level: 654.89 J/kg Max Parcel Lev (MPL): 99.35 mb = 16637.46 m = 54584.17 ft Wind level data Storm motion: 132 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 1002 85 200 3 1.0 2.8 | 290 8 7.1 -2.6 1 1000 96 145 4 -2.3 3.3 | 299 4 3.8 -2.1 2 977 305 145 8 -4.6 6.6 | 232 2 1.5 1.2 3 943 610 135 17 -12.0 12.0 | 138 9 -5.9 6.6 4 925 784 140 13 -8.4 10.0 | 154 5 -2.3 4.6 5 911 914 145 7 -4.0 5.7 | 261 2 2.1 0.3 6 880 1219 130 2 -1.5 1.3 | 312 6 4.6 -4.1 7 850 1518 70 8 -7.5 -2.7 | 10 8 -1.4 -8.1 8 819 1829 70 11 -10.3 -3.8 | 25 10 -4.3 -9.2 9 790 2134 80 12 -11.8 -2.1 | 37 9 -5.7 -7.5 10 762 2438 95 15 -14.9 1.3 | 65 10 -8.9 -4.1 11 709 3048 80 12 -11.8 -2.1 | 37 9 -5.7 -7.5 12 700 3159 90 12 -12.0 0.0 | 48 8 -5.9 -5.4 13 658 3658 115 11 -10.0 4.6 | 79 4 -3.9 -0.7 14 610 4267 100 11 -10.8 1.9 | 54 6 -4.8 -3.5 15 566 4877 95 18 -17.9 1.6 | 72 12 -11.8 -3.8 16 525 5486 120 11 -9.5 5.5 | 92 3 -3.4 0.1 17 506 5791 80 2 -2.0 -0.3 | 324 7 4.1 -5.7 18 500 5880 90 2 -2.0 0.0 | 323 7 4.1 -5.4 19 486 6096 75 5 -4.8 -1.3 | 349 7 1.3 -6.7 20 400 7600 90 8 -8.0 0.0 | 20 6 -1.9 -5.4 21 367 8230 70 8 -7.5 -2.7 | 10 8 -1.4 -8.1 22 352 8534 55 10 -8.2 -5.7 | 11 11 -2.1 -11.1 23 300 9710 70 11 -10.3 -3.8 | 25 10 -4.3 -9.2 24 298 9754 75 11 -10.6 -2.8 | 29 9 -4.5 -8.2 25 273 10363 60 24 -20.8 -12.0 | 40 23 -14.7 -17.4 26 250 10980 70 28 -26.3 -9.6 | 54 25 -20.2 -15.0 27 208 12192 95 34 -33.9 3.0 | 85 28 -27.8 -2.4 28 200 12460 75 36 -34.8 -9.3 | 63 32 -28.7 -14.7 29 189 12802 70 37 -34.8 -12.7 | 58 34 -28.7 -18.0 30 163 13716 65 38 -34.4 -16.1 | 53 36 -28.4 -21.5 31 150 14250 55 34 -27.9 -19.5 | 41 33 -21.8 -24.9 32 133 14935 50 15 -11.5 -9.6 | 20 16 -5.4 -15.0 33 127 15240 75 10 -9.7 -2.6 | 24 9 -3.6 -8.0 34 114 15850 135 3 -2.1 2.1 | 310 5 4.0 -3.3 35 113 15906 45 9 -6.4 -6.4 | 1 12 -0.3 -11.8 36 100 16600 135 23 -16.3 16.3 | 137 15 -10.2 10.9 37 97 16764 130 17 -13.0 10.9 | 129 9 -6.9 5.5 38 92 17069 135 26 -18.4 18.4 | 137 18 -12.3 13.0 39 87 17374 140 20 -12.9 15.3 | 146 12 -6.8 9.9 40 79 17983 20 3 -1.0 -2.8 | 328 10 5.1 -8.2 41 75 18288 270 19 19.0 -0.0 | 282 26 25.1 -5.4 42 71 18593 255 13 12.6 3.4 | 276 19 18.6 -2.0 43 70 18650 275 17 16.9 -1.5 | 287 24 23.0 -6.9 44 67 18898 275 17 16.9 -1.5 | 287 24 23.0 -6.9 45 64 19202 270 19 19.0 -0.0 | 282 26 25.1 -5.4 46 61 19507 240 23 19.9 11.5 | 257 27 26.0 6.1 47 58 19812 215 14 8.0 11.5 | 247 15 14.1 6.1 48 55 20117 160 8 -2.7 7.5 | 238 4 3.3 2.1 49 52 20422 100 12 -11.8 2.1 | 60 7 -5.7 -3.3 50 50 20640 110 18 -16.9 6.2 | 94 11 -10.8 0.8 51 49 20726 145 13 -7.5 10.6 | 165 5 -1.4 5.3 52 47 21031 100 20 -19.7 3.5 | 82 14 -13.6 -1.9 53 42 21641 65 44 -39.9 -18.6 | 55 41 -33.8 -24.0 54 38 22250 95 47 -46.8 4.1 | 88 41 -40.7 -1.3 55 31 23470 85 63 -62.8 -5.5 | 79 58 -56.7 -10.9 56 30 23750 95 62 -61.8 5.4 | 90 56 -55.7 0.0 57 30 23774 90 53 -53.0 0.0 | 83 47 -46.9 -5.4 58 29 23959 90 64 -64.0 0.0 | 85 58 -57.9 -5.4 59 28 24079 90 64 -64.0 0.0 | 85 58 -57.9 -5.4 60 23 24994 90 58 -58.0 0.0 | 84 52 -51.9 -5.4 Wind Parameters Mean winds (0-6000m): 101.6 at 10.8 knts Storm direction: 131.6 at 8.1 knts Shear (0-3000m) pos: 1.0 neg: 2.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 110.8 deg Storm rel helicity (0-3000m) pos: 36.9 neg: -16.2 tot: 20.6 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 2.1 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 104.21 Bulk Shear: 6.33 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 ------------------------------------------------------------------------------- 500 141 9 186 2| 0.0 15.6 15.6| 0.0 -6.6 -6.6 -13.3 -0.51| 16.3 -8.3 1000 140 10 171 2| 6.2 7.8 14.0| 6.8 -6.6 0.2 0.2 0.04| 14.9 0.6 1500 131 8 106 0| 4.1 6.1 10.3| 16.0 -6.6 9.4 6.3 0.19| 13.3 2.6 2000 113 9 47 3| 2.4 4.6 7.0| 25.1 -6.6 18.4 9.2 0.26| 11.0 2.9 2500 105 10 51 4| 1.2 3.7 4.9| 36.7 -8.7 28.0 11.2 0.31| 9.9 3.1 3000 101 10 50 5| 1.0 2.6 3.6| 36.9 -16.2 20.6 6.9 0.23| 8.9 2.1 4000 102 11 53 5| 0.5 2.0 2.5| 43.9 -18.0 25.9 6.5 0.24| 7.7 1.9 5000 101 11 57 6| 0.4 2.0 2.4| 53.2 -18.7 34.6 6.9 0.25| 7.3 1.8 6000 102 11 55 6| 0.9 1.5 2.4| 60.6 -28.7 31.9 5.3 0.14| 7.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251011.00.gif