UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 12 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 23.0 21.0 89 2.0 21.6 0 0 296.0 298.8 294.7 341.5 15.81 1 1000 95 23.2 21.3 89 1.9 21.9 20 2 296.4 299.3 295.0 342.9 16.15 2 983 246 25.2 22.0 82 3.2 22.9 348 6 299.8 303.0 296.7 350.1 17.17 3 963 428 25.6 20.6 74 5.0 22.1 339 9 302.0 304.9 296.5 349.4 16.06 4 925 782 23.2 20.5 85 2.7 21.3 360 12 303.0 306.1 297.1 352.4 16.63 5 850 1517 18.6 15.0 80 3.6 16.2 15 18 305.6 308.0 295.2 343.7 12.72 6 759 2480 12.6 9.8 83 2.8 10.8 15 18 309.2 311.1 294.3 339.9 10.08 7 732 2784 12.0 5.0 62 7.0 7.9 18 15 311.8 313.2 293.0 335.0 7.49 8 700 3158 10.0 5.0 71 5.0 7.1 40 10 313.6 315.1 293.8 338.0 7.84 9 679 3411 9.0 3.0 66 6.0 5.5 56 9 315.2 316.5 293.6 337.2 7.01 10 559 4996 -1.1 -4.1 80 3.0 -2.6 14 1 321.3 322.3 293.7 337.7 5.06 11 539 5287 -2.5 -4.9 84 2.4 -3.7 53 2 323.0 323.9 294.1 339.1 4.94 12 515 5648 -4.7 -10.7 63 6.0 -7.2 103 3 324.6 325.2 293.2 335.5 3.29 13 507 5771 -5.7 -8.2 82 2.5 -6.8 120 3 324.8 325.6 293.9 338.3 4.07 14 500 5880 -6.3 -10.3 73 4.0 -8.0 135 3 325.4 326.1 293.6 337.1 3.49 15 473 6312 -8.9 -13.4 70 4.5 -10.7 168 5 327.3 327.9 293.6 337.1 2.88 16 465 6444 -9.5 -16.5 57 7.0 -12.1 167 6 328.2 328.7 293.3 336.0 2.26 17 462 6493 -9.9 -25.9 26 16.0 -14.3 166 6 328.3 328.5 292.2 331.9 1.00 18 454 6628 -10.7 -16.7 61 6.0 -12.9 165 7 328.9 329.4 293.5 336.8 2.28 19 441 6851 -12.1 -16.3 71 4.2 -13.6 163 8 329.9 330.4 293.9 338.3 2.43 20 405 7497 -16.1 -18.2 84 2.1 -16.8 156 12 332.9 333.3 294.5 340.8 2.25 21 400 7590 -16.7 -19.9 76 3.2 -17.7 155 13 333.3 333.7 294.4 340.2 1.97 22 364 8292 -20.9 -25.9 64 5.0 -22.2 166 10 336.8 337.0 294.7 341.4 1.27 23 313 9388 -28.9 -33.6 64 4.7 -29.7 133 10 340.5 340.6 295.1 343.2 0.72 24 303 9619 -30.3 -39.3 41 9.0 -31.6 123 9 341.7 341.8 295.1 343.3 0.42 25 300 9690 -30.9 -39.9 41 9.0 -32.1 120 9 341.8 341.9 295.1 343.4 0.40 26 278 10228 -35.7 -40.6 61 4.9 -36.2 87 7 342.4 342.5 295.3 344.0 0.40 27 260 10692 -39.5 -43.3 67 3.8 -39.9 61 5 343.5 343.5 295.4 344.7 0.32 28 250 10960 -41.5 -45.8 63 4.3 -41.8 75 8 344.4 344.4 295.6 345.4 0.25 29 200 12430 -54.1 -58.1 61 4.0 -54.2 70 16 347.1 347.1 296.1 347.4 0.07 30 198 12494 -54.5 -58.2 64 3.7 -54.6 75 15 347.5 347.5 296.1 347.8 0.07 31 150 14210 -69.5 -73.0 60 3.5 -69.5 65 25 350.4 350.4 296.7 350.4 0.01 32 147 14330 -70.5 -74.1 59 3.6 -70.5 67 25 350.7 350.7 296.8 350.7 0.01 33 132 14962 -74.5 -79.5 46 5.0 -74.5 75 27 354.5 354.5 297.6 354.5 0.01 34 111 15957 -79.1 -86.1 31 7.0 -79.1 61 14 363.9 363.9 299.4 363.9 0.00 35 106 16219 -77.7 -86.7 22 9.0 -77.7 54 13 371.4 371.4 300.8 371.4 0.00 36 105 16274 -73.1 -85.1 14 12.0 -73.2 58 13 381.1 381.1 302.4 381.1 0.00 37 102 16444 -72.7 -84.7 15 12.0 -72.8 69 12 385.1 385.1 303.1 385.1 0.00 38 100 16560 -72.9 -85.9 12 13.0 -72.9 180 8 386.9 386.9 303.3 386.9 0.00 39 79 17926 -78.5 -87.5 22 9.0 -78.5 250 16 402.3 402.3 305.5 402.3 0.00 40 70 18620 -76.7 -87.7 16 11.0 -76.7 285 36 420.3 420.3 307.7 420.3 0.00 41 67 18872 -77.7 -88.7 15 11.0 -77.7 280 39 423.4 423.4 308.1 423.4 0.00 42 53 20248 -68.1 -90.1 3 22.0 -68.3 323 16 475.0 475.0 313.1 475.0 0.00 43 50 20600 -66.5 -90.5 2 24.0 -66.8 80 26 486.8 486.8 314.0 486.8 0.00 44 49 20723 -63.5 -90.5 1 27.0 -63.9 60 18 496.7 496.7 314.7 496.7 0.00 45 46 21113 -62.1 -90.1 1 28.0 -62.6 109 27 509.1 509.1 315.6 509.2 0.00 46 44 21387 -63.7 -90.7 1 27.0 -64.1 120 38 511.7 511.7 315.8 511.8 0.00 47 32 23366 -58.9 -89.9 1 31.0 -59.9 85 58 573.4 573.4 319.3 573.4 0.00 48 30 23770 -60.5 -90.5 1 30.0 -61.4 85 52 579.7 579.7 319.6 579.7 0.00 49 27 24426 -60.5 -90.5 1 30.0 -61.4 95 63 597.4 597.4 320.5 597.5 0.00 TRP 79 17926 -78.5 -87.5 22 9.0 -78.5 250 16 402.3 402.3 305.5 402.3 0.00 WND 27 24426 -60.5 -90.5 1 30.0 -61.4 95 63 597.4 597.4 320.5 597.5 0.00 Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 572.07 mb = 4823.43 m = 15824.70 ft Wetbulb zero: 597.56 mb = 4452.48 m = 14607.69 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 76.29 % Est. max temperature: 32.58 C = 90.65 F Sfc-Lift cond lev (LCL): 973.45 mb = 332.17 m = 1089.78 ft T: 25.39 C 700-500 lapse rate: 5.99 C/km ThetaE index: 17.39 C Layer 850.0- 700.0 mb Conv cond level (CCL): 856.74 mb = 1448.37 m = 4751.80 ft Mean mixing ratio: 16.36 g/kg Conv temperature: 32.41 C = 90.34 F Cap Strength: 2.07 C Lifted Index: -3.27 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.44 C Lifted Index @700 mb: -0.57 C Showalter Index: -0.99 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.30 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.00 Risk: None Energy Index: -1.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 988.27 J/kg Max Up Vert Vel: 44.46 m/s Conv Inhibition (B-): 55.95 J/kg Cap Strength: 2.07 C Lift Cond Lev (LCL): 905.07 mb = 971.29 m = 3186.61 ft Lev Free Conv (LFC): 800.07 mb = 2031.69 m = 6665.56 ft Equ Level (EL): 160.07 mb = 13808.31 m = 45302.30 ft B at Equ Level: 986.91 J/kg Max Parcel Lev (MPL): 100.07 mb = 16555.64 m = 54315.75 ft Wind level data Storm motion: 51 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 1002 85 0 0 -0.0 -0.0 | 231 7 5.3 4.3 1 1000 95 20 2 -0.7 -1.9 | 242 5 4.6 2.5 2 976 305 335 7 3.0 -6.3 | 284 8 8.2 -2.0 3 943 610 345 12 3.1 -11.6 | 311 11 8.4 -7.3 4 925 782 360 12 -0.0 -12.0 | 325 9 5.3 -7.7 5 911 914 355 13 1.1 -13.0 | 323 11 6.4 -8.6 6 850 1517 15 18 -4.7 -17.4 | 357 13 0.6 -13.1 7 849 1524 25 18 -7.6 -16.3 | 11 12 -2.3 -12.0 8 819 1829 10 19 -3.3 -18.7 | 352 15 2.0 -14.4 9 790 2134 25 16 -6.8 -14.5 | 8 10 -1.5 -10.2 10 762 2438 15 18 -4.7 -17.4 | 357 13 0.6 -13.1 11 709 3048 20 12 -4.1 -11.3 | 350 7 1.2 -6.9 12 700 3158 40 10 -6.4 -7.7 | 19 4 -1.1 -3.3 13 610 4267 110 4 -3.8 1.4 | 195 6 1.5 5.7 14 566 4877 360 1 -0.0 -1.0 | 238 6 5.3 3.3 15 500 5880 135 3 -2.1 2.1 | 206 7 3.2 6.5 16 486 6096 170 4 -0.7 3.9 | 209 9 4.6 8.3 17 400 7590 155 13 -5.5 11.8 | 179 16 -0.2 16.1 18 398 7620 150 10 -5.0 8.7 | 181 13 0.3 13.0 19 382 7925 165 13 -3.4 12.6 | 186 17 1.9 16.9 20 366 8230 165 10 -2.6 9.7 | 191 14 2.7 14.0 21 351 8534 170 13 -2.3 12.8 | 190 17 3.0 17.1 22 300 9690 120 9 -7.8 4.5 | 164 9 -2.5 8.8 23 261 10668 60 5 -4.3 -2.5 | 208 2 1.0 1.8 24 250 10960 75 8 -7.7 -2.1 | 133 3 -2.4 2.3 25 227 11582 65 12 -10.9 -5.1 | 82 6 -5.6 -0.7 26 200 12430 70 16 -15.0 -5.5 | 83 10 -9.7 -1.1 27 198 12497 75 15 -14.5 -3.9 | 93 9 -9.2 0.4 28 179 13106 45 17 -12.0 -12.0 | 41 10 -6.7 -7.7 29 150 14210 65 25 -22.7 -10.6 | 70 18 -17.4 -6.2 30 132 14935 75 28 -27.0 -7.2 | 82 22 -21.8 -2.9 31 126 15240 70 17 -16.0 -5.8 | 82 11 -10.7 -1.5 32 119 15545 85 15 -14.9 -1.3 | 107 10 -9.7 3.0 33 107 16154 50 13 -10.0 -8.4 | 49 6 -4.7 -4.0 34 102 16459 70 12 -11.3 -4.1 | 92 6 -6.0 0.2 35 100 16560 180 8 0.0 8.0 | 203 13 5.3 12.3 36 97 16764 170 8 -1.4 7.9 | 198 13 3.9 12.2 37 87 17374 245 14 12.7 5.9 | 240 21 18.0 10.2 38 79 17926 250 16 15.0 5.5 | 244 23 20.3 9.8 39 74 18288 250 16 15.0 5.5 | 244 23 20.3 9.8 40 70 18593 280 19 18.7 -3.3 | 268 24 24.0 1.0 41 70 18620 285 36 34.8 -9.3 | 277 40 40.1 -5.0 42 67 18898 280 39 38.4 -6.8 | 273 44 43.7 -2.4 43 63 19202 275 28 27.9 -2.4 | 267 33 33.2 1.9 44 60 19507 300 16 13.9 -8.0 | 281 19 19.1 -3.7 45 54 20117 295 19 17.2 -8.0 | 279 23 22.5 -3.7 46 52 20422 355 12 1.0 -12.0 | 320 10 6.3 -7.6 47 50 20600 80 26 -25.6 -4.5 | 89 20 -20.3 -0.2 48 49 20726 60 18 -15.6 -9.0 | 66 11 -10.3 -4.7 49 47 21031 105 23 -22.2 6.0 | 121 20 -16.9 10.3 50 42 21641 130 49 -37.5 31.5 | 138 48 -32.2 35.8 51 38 22250 90 52 -52.0 0.0 | 95 47 -46.7 4.3 52 31 23470 85 59 -58.8 -5.1 | 89 53 -53.5 -0.8 53 30 23770 85 52 -51.8 -4.5 | 90 47 -46.5 -0.2 54 27 24426 95 63 -62.8 5.5 | 100 58 -57.5 9.8 55 25 24689 95 63 -62.8 5.5 | 100 58 -57.5 9.8 56 16 26518 90 50 -50.0 0.0 | 96 45 -44.7 4.3 Wind Parameters Mean winds (0-6000m): 20.7 at 9.1 knts Storm direction: 50.7 at 6.8 knts Shear (0-3000m) pos: 1.7 neg: 2.2 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 127.4 deg Storm rel helicity (0-3000m) pos: 65.2 neg: -19.0 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.3 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 229.08 Bulk Shear: 4.31 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 ------------------------------------------------------------------------------- 500 342 7 287 8| 0.0 11.9 11.9| 19.2 0.0 19.2 38.4 0.79| 13.0 10.2 1000 351 10 308 9| 2.4 6.0 8.4| 32.2 -0.7 31.5 31.5 0.75| 9.8 7.4 1500 0 12 326 9| 3.9 4.0 7.9| 55.9 -0.7 55.2 36.8 0.81| 9.1 7.4 2000 6 14 337 10| 2.7 3.0 5.6| 63.5 -10.8 52.7 26.3 0.62| 8.7 5.4 2500 9 14 343 10| 2.1 2.6 4.8| 63.9 -17.1 46.9 18.7 0.51| 7.8 4.0 3000 10 14 344 10| 1.7 2.2 3.9| 65.2 -19.0 46.2 15.4 0.44| 7.5 3.3 4000 17 13 348 8| 2.1 1.6 3.7| 72.7 -19.0 53.8 13.4 0.51| 7.2 3.7 5000 18 11 341 6| 1.6 1.7 3.3| 78.6 -19.4 59.2 11.8 0.52| 6.5 3.4 6000 21 9 334 5| 1.7 1.4 3.2| 79.5 -23.3 56.2 9.4 0.43| 6.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251012.12.gif