UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 26 NOV 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 24.0 22.0 89 2.0 22.6 230 2 297.0 300.0 295.7 345.7 16.84 1 1000 100 24.0 22.5 91 1.5 22.9 105 2 297.1 300.3 296.1 347.5 17.41 2 985 233 23.4 23.4 100 0.0 23.4 53 3 297.8 301.2 297.1 352.2 18.70 3 973 340 23.0 21.8 93 1.2 22.2 23 5 298.5 301.6 296.3 348.4 17.14 4 966 404 24.8 19.8 74 5.0 21.3 20 6 300.9 303.7 295.7 345.6 15.22 5 952 533 25.2 19.2 69 6.0 21.0 14 8 302.6 305.3 295.8 346.5 14.87 6 933 710 24.4 16.4 61 8.0 18.9 16 11 303.5 305.9 294.6 341.1 12.67 7 925 786 23.8 17.8 69 6.0 19.6 20 11 303.6 306.2 295.6 345.2 14.00 8 850 1520 18.4 15.0 81 3.4 16.1 30 10 305.4 307.8 295.1 343.5 12.72 9 764 2428 12.6 12.4 99 0.2 12.5 30 9 308.6 310.9 295.4 344.8 11.93 10 700 3161 9.0 7.5 90 1.5 8.0 25 9 312.5 314.2 294.6 341.3 9.34 11 685 3340 7.8 7.8 100 0.0 7.8 20 9 313.1 314.9 295.1 343.2 9.75 12 588 4588 1.6 1.6 100 0.0 1.6 25 7 319.8 321.2 295.1 343.2 7.33 13 506 5786 -5.3 -5.3 100 0.0 -5.3 115 12 325.5 326.5 294.8 342.3 5.10 14 502 5849 -4.9 -8.9 73 4.0 -6.7 115 13 326.7 327.5 294.3 339.7 3.89 15 500 5880 -5.1 -8.9 75 3.8 -6.8 115 13 326.8 327.6 294.3 339.9 3.90 16 466 6428 -10.1 -10.1 100 0.0 -10.1 97 13 327.3 328.0 294.3 340.1 3.81 17 463 6478 -8.5 -14.5 62 6.0 -10.8 101 14 329.8 330.4 294.1 339.1 2.69 18 459 6546 -6.5 -19.5 35 13.0 -11.1 107 16 333.2 333.5 294.2 339.5 1.78 19 455 6614 -6.3 -21.3 29 15.0 -11.4 112 17 334.3 334.6 294.3 339.8 1.53 20 442 6840 -7.7 -18.7 41 11.0 -11.7 118 15 335.3 335.7 294.8 342.3 1.98 21 400 7610 -12.7 -26.7 30 14.0 -16.6 170 9 338.5 338.7 294.9 342.5 1.08 22 397 7668 -12.9 -26.9 30 14.0 -16.8 171 10 339.0 339.2 295.0 342.9 1.06 23 363 8345 -18.7 -47.7 6 29.0 -22.8 216 11 340.0 340.0 294.4 340.6 0.14 24 342 8788 -21.9 -34.9 30 13.0 -24.4 265 6 341.5 341.6 295.2 343.7 0.58 25 300 9740 -29.5 -51.5 10 22.0 -31.6 270 25 343.8 343.8 295.3 344.3 0.11 26 264 10637 -37.5 -60.5 7 23.0 -38.7 261 27 344.9 344.9 295.5 345.1 0.04 27 250 11010 -40.5 -62.5 8 22.0 -41.5 275 24 345.9 345.9 295.7 346.0 0.03 28 226 11685 -46.7 -63.7 13 17.0 -47.3 279 19 346.5 346.5 295.9 346.6 0.03 29 214 12042 -49.3 -68.3 9 19.0 -49.8 273 21 347.9 347.9 296.2 348.0 0.02 30 200 12480 -52.9 -68.9 13 16.0 -53.2 275 25 349.0 349.0 296.4 349.1 0.02 31 153 14151 -67.1 -76.1 27 9.0 -67.2 270 43 352.5 352.5 297.2 352.5 0.01 32 150 14270 -67.5 -76.5 27 9.0 -67.5 275 42 353.8 353.8 297.4 353.8 0.01 33 142 14600 -68.5 -82.5 12 14.0 -68.6 280 38 357.6 357.6 298.2 357.7 0.00 34 101 16575 -83.3 -88.3 41 5.0 -83.3 232 10 365.7 365.7 299.8 365.7 0.00 35 100 16630 -83.5 -88.5 41 5.0 -83.5 205 8 366.4 366.4 299.9 366.4 0.00 36 87 17395 -88.5 -92.9 43 4.4 -88.5 90 24 371.2 371.2 300.8 371.2 0.00 37 78 17992 -85.3 -91.3 33 6.0 -85.3 60 18 389.6 389.6 303.8 389.7 0.00 38 75 18212 -76.9 -86.9 19 10.0 -76.9 106 16 411.7 411.7 306.7 411.7 0.00 39 70 18610 -76.5 -89.5 11 13.0 -76.6 165 21 420.7 420.7 307.8 420.7 0.00 40 68 18777 -76.7 -89.7 11 13.0 -76.7 165 21 423.8 423.8 308.2 423.8 0.00 41 60 19508 -71.7 -89.7 5 18.0 -71.8 315 1 450.4 450.4 310.9 450.4 0.00 42 56 19913 -73.7 -90.7 6 17.0 -73.8 352 11 454.8 454.8 311.3 454.8 0.00 43 50 20580 -71.3 -90.3 4 19.0 -71.4 90 25 475.5 475.5 313.1 475.5 0.00 44 47 20944 -72.9 -91.9 4 19.0 -73.0 80 24 480.1 480.1 313.5 480.1 0.00 45 42 21615 -66.5 -91.5 2 25.0 -66.8 75 33 511.7 511.7 315.8 511.7 0.00 TRP 87 17395 -88.5 -92.9 43 4.4 -88.5 90 24 371.2 371.2 300.8 371.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 568.99 mb = 4865.96 m = 15964.23 ft Wetbulb zero: 569.00 mb = 4850.13 m = 15912.29 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 91.81 % Est. max temperature: 32.40 C = 90.32 F Sfc-Lift cond lev (LCL): 973.54 mb = 335.42 m = 1100.44 ft T: 23.02 C 700-500 lapse rate: 5.19 C/km ThetaE index: 6.55 C Layer 973.0- 952.0 mb Conv cond level (CCL): 836.90 mb = 1652.29 m = 5420.84 ft Mean mixing ratio: 15.25 g/kg Conv temperature: 32.92 C = 91.25 F Cap Strength: 2.91 C Lifted Index: -0.81 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.89 C Lifted Index @700 mb: -0.57 C Showalter Index: 0.27 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 20.10 C K Index: 37.00 Risk: > 80 % chance of thunderstorms Sweat Index: 213.00 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 188.26 J/kg Max Up Vert Vel: 19.40 m/s Conv Inhibition (B-): 93.99 J/kg Cap Strength: 2.91 C Lift Cond Lev (LCL): 892.50 mb = 1096.52 m = 3597.45 ft Lev Free Conv (LFC): 777.50 mb = 2279.32 m = 7477.99 ft Equ Level (EL): 457.50 mb = 6571.44 m = 21559.58 ft B at Equ Level: 182.46 J/kg Max Parcel Lev (MPL): 297.50 mb = 9798.78 m = 32147.85 ft Wind level data Storm motion: 71 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 85 230 2 1.5 1.3 | 246 9 7.9 3.5 1 1000 100 105 2 -1.9 0.5 | 238 5 4.4 2.7 2 977 305 25 4 -1.7 -3.6 | 287 5 4.7 -1.4 3 944 610 10 10 -1.7 -9.8 | 329 9 4.6 -7.6 4 925 786 20 11 -3.8 -10.3 | 342 9 2.6 -8.1 5 911 914 20 12 -4.1 -11.3 | 346 9 2.3 -9.1 6 880 1219 30 10 -5.0 -8.7 | 348 7 1.4 -6.4 7 850 1520 30 10 -5.0 -8.7 | 348 7 1.4 -6.4 8 790 2134 30 11 -5.5 -9.5 | 353 7 0.9 -7.3 9 762 2438 30 9 -4.5 -7.8 | 341 6 1.9 -5.6 10 709 3048 30 10 -5.0 -8.7 | 348 7 1.4 -6.4 11 700 3161 25 9 -3.8 -8.2 | 337 6 2.6 -5.9 12 610 4267 355 6 0.5 -6.0 | 299 8 6.9 -3.8 13 525 5486 115 10 -9.1 4.2 | 157 7 -2.7 6.4 14 500 5880 115 13 -11.8 5.5 | 145 9 -5.4 7.7 15 486 6096 105 12 -11.6 3.1 | 136 7 -5.2 5.3 16 468 6401 95 13 -13.0 1.1 | 117 7 -6.6 3.4 17 449 6706 120 19 -16.5 9.5 | 139 15 -10.1 11.7 18 432 7010 115 10 -9.1 4.2 | 157 7 -2.7 6.4 19 400 7610 170 9 -1.6 8.9 | 203 12 4.8 11.1 20 383 7925 175 12 -1.0 12.0 | 201 15 5.3 14.2 21 368 8230 210 12 6.0 10.4 | 224 18 12.4 12.6 22 353 8534 230 10 7.7 6.4 | 238 16 14.0 8.6 23 339 8839 275 5 5.0 -0.4 | 261 11 11.4 1.8 24 325 9144 270 12 12.0 -0.0 | 263 19 18.4 2.2 25 300 9740 270 25 25.0 -0.0 | 266 31 31.4 2.2 26 287 10058 270 25 25.0 -0.0 | 266 31 31.4 2.2 27 263 10668 260 27 26.6 4.7 | 258 34 33.0 6.9 28 250 11010 275 24 23.9 -2.1 | 270 30 30.3 0.1 29 219 11887 280 17 16.7 -3.0 | 272 23 23.1 -0.7 30 209 12192 265 25 24.9 2.2 | 262 32 31.3 4.4 31 200 12480 275 25 24.9 -2.2 | 270 31 31.3 0.0 32 199 12497 275 25 24.9 -2.2 | 270 31 31.3 0.0 33 156 14021 265 44 43.8 3.8 | 263 51 50.2 6.1 34 150 14270 275 42 41.8 -3.7 | 272 48 48.2 -1.4 35 134 14935 285 33 31.9 -8.5 | 279 39 38.2 -6.3 36 120 15545 295 45 40.8 -19.0 | 290 50 47.2 -16.8 37 114 15850 290 21 19.7 -7.2 | 281 27 26.1 -5.0 38 103 16459 285 13 12.6 -3.4 | 273 19 18.9 -1.1 39 100 16630 205 8 3.4 7.3 | 226 14 9.8 9.5 40 98 16764 255 10 9.7 2.6 | 253 17 16.0 4.8 41 87 17374 110 16 -15.0 5.5 | 132 12 -8.7 7.7 42 87 17395 90 24 -24.0 0.0 | 97 18 -17.6 2.2 43 83 17678 80 27 -26.6 -4.7 | 83 20 -20.2 -2.5 44 78 17983 55 18 -14.7 -10.3 | 46 12 -8.4 -8.1 45 70 18593 185 12 1.0 12.0 | 208 16 7.4 14.2 46 70 18610 165 21 -5.4 20.3 | 182 23 0.9 22.5 47 67 18898 165 21 -5.4 20.3 | 182 23 0.9 22.5 48 63 19202 145 14 -8.0 11.5 | 173 14 -1.7 13.7 49 60 19507 315 1 0.7 -0.7 | 258 7 7.1 1.5 50 57 19812 325 11 6.3 -9.0 | 298 14 12.7 -6.8 51 51 20422 120 10 -8.7 5.0 | 162 8 -2.3 7.2 52 50 20580 90 25 -25.0 0.0 | 97 19 -18.6 2.2 53 45 21031 75 24 -23.2 -6.2 | 77 17 -16.8 -4.0 54 40 21641 75 39 -37.7 -10.1 | 76 32 -31.3 -7.9 55 37 21946 90 45 -45.0 0.0 | 93 39 -38.6 2.2 Wind Parameters Mean winds (0-6000m): 40.8 at 9.0 knts Storm direction: 70.8 at 6.7 knts Shear (0-3000m) pos: 2.1 neg: 0.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 98.2 deg Storm rel helicity (0-3000m) pos: 18.9 neg: -2.8 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 1.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 70.61 Bulk Shear: 2.67 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 22 5 299 5| 11.5 0.0 11.5| 9.8 0.0 9.8 19.7 0.54| 13.8 7.5 1000 20 8 326 6| 6.5 0.0 6.5| 16.8 0.0 16.8 16.8 0.58| 9.2 5.3 1500 24 9 334 6| 4.1 0.0 4.1| 17.0 -0.0 17.0 11.3 0.54| 6.6 3.6 2000 25 9 338 7| 3.1 0.2 3.3| 17.9 -0.0 17.9 9.0 0.55| 5.1 2.8 2500 26 9 340 7| 2.5 0.2 2.6| 18.1 -2.2 16.0 6.4 0.45| 4.5 2.0 3000 27 9 341 6| 2.1 0.1 2.1| 18.9 -2.8 16.1 5.4 0.43| 3.9 1.7 4000 25 9 336 7| 1.5 0.7 2.3| 18.9 -11.8 7.1 1.8 0.18| 3.6 0.6 5000 26 9 335 6| 1.7 0.6 2.2| 27.1 -13.0 14.1 2.8 0.32| 4.0 1.3 6000 41 9 354 5| 1.4 0.3 1.7| 31.7 -19.6 12.1 2.0 0.27| 4.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251126.12.gif