UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 18 OCT 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 109 SFC 973 344 27.4 20.4 66 7.0 22.4 10 8 302.9 305.8 296.5 349.4 15.69 2 963 436 24.8 20.0 75 4.8 21.4 27 8 301.2 304.0 295.9 346.6 15.46 3 925 793 21.4 19.2 87 2.2 19.9 70 7 301.2 304.0 295.8 346.2 15.31 4 902 1012 20.0 18.2 89 1.8 18.8 70 10 301.9 304.6 295.6 345.4 14.74 5 895 1079 20.4 17.0 81 3.4 18.1 67 10 303.0 305.5 295.2 343.7 13.75 6 850 1525 17.8 15.9 89 1.9 16.5 75 11 304.8 307.3 295.5 345.1 13.49 7 808 1957 14.4 13.7 96 0.7 14.0 97 13 305.6 307.9 294.9 342.5 12.29 8 756 2520 13.8 3.8 51 10.0 8.0 101 20 310.8 312.1 292.1 331.5 6.66 9 701 3153 9.2 7.1 87 2.1 7.9 92 15 312.5 314.3 294.4 340.6 9.07 10 700 3165 9.2 7.1 87 2.1 7.9 90 15 312.7 314.4 294.5 340.8 9.08 11 557 5031 -0.5 -10.5 47 10.0 -4.8 77 19 322.3 322.9 292.4 332.6 3.09 12 552 5103 -1.1 -7.1 64 6.0 -3.9 78 18 322.4 323.2 293.3 335.8 4.07 13 544 5220 -1.3 -15.3 34 14.0 -6.7 79 18 323.6 324.0 291.9 330.8 2.14 14 520 5580 -3.3 -13.3 46 10.0 -7.4 70 19 325.3 325.9 292.9 334.3 2.64 15 500 5890 -4.7 -17.7 35 13.0 -9.4 65 19 327.3 327.7 292.7 333.9 1.90 16 493 6001 -5.1 -20.1 30 15.0 -10.2 68 17 328.1 328.5 292.7 333.7 1.57 17 486 6113 -5.5 -17.5 38 12.0 -9.9 71 16 329.0 329.4 293.3 335.9 1.99 18 448 6746 -10.3 -14.6 71 4.3 -12.0 134 11 330.7 331.3 294.4 340.2 2.75 19 426 7132 -12.3 -35.3 13 23.0 -17.2 110 13 333.0 333.0 293.0 334.6 0.44 20 400 7610 -16.1 -22.1 60 6.0 -17.9 65 18 334.1 334.4 294.3 339.9 1.63 21 399 7629 -16.3 -21.0 67 4.7 -17.7 65 16 334.0 334.4 294.4 340.4 1.80 22 393 7743 -16.5 -34.5 20 18.0 -20.2 65 17 335.2 335.3 293.6 337.2 0.52 23 378 8033 -19.3 -25.3 59 6.0 -20.9 65 19 335.3 335.5 294.3 340.0 1.29 24 358 8434 -22.7 -30.7 48 8.0 -24.4 62 18 336.0 336.1 294.1 339.1 0.83 25 329 9049 -25.5 -46.5 12 21.0 -28.0 88 22 340.3 340.4 294.6 341.1 0.18 26 300 9710 -31.1 -49.1 15 18.0 -32.8 75 22 341.5 341.6 294.8 342.1 0.15 27 291 9924 -32.5 -52.5 12 20.0 -34.1 75 21 342.5 342.6 295.0 343.0 0.10 28 250 10970 -41.1 -62.1 9 21.0 -42.0 55 15 345.0 345.0 295.6 345.1 0.04 29 214 12010 -50.5 -60.5 30 10.0 -50.8 25 15 346.0 346.0 295.8 346.3 0.05 30 200 12450 -53.7 -65.7 22 12.0 -53.9 350 17 347.7 347.7 296.1 347.8 0.03 31 178 13189 -59.3 -74.3 13 15.0 -59.5 1 16 350.3 350.3 296.7 350.4 0.01 32 150 14240 -67.5 -75.5 31 8.0 -67.5 355 8 353.8 353.8 297.4 353.8 0.01 33 145 14443 -69.3 -77.3 30 8.0 -69.4 356 9 354.1 354.1 297.5 354.2 0.01 34 131 15045 -72.1 -82.1 21 10.0 -72.1 333 2 359.6 359.6 298.6 359.6 0.00 35 101 16535 -82.7 -85.8 59 3.1 -82.7 273 10 366.9 366.9 300.0 366.9 0.00 36 100 16590 -83.1 -86.1 59 3.0 -83.1 270 8 367.2 367.2 300.1 367.2 0.00 37 95 16874 -84.7 -87.1 65 2.4 -84.7 255 11 369.5 369.5 300.5 369.5 0.00 38 88 17297 -82.5 -87.1 45 4.6 -82.5 217 18 382.0 382.0 302.6 382.1 0.00 39 84 17561 -76.3 -87.3 16 11.0 -76.3 206 15 399.8 399.8 305.2 399.8 0.00 40 83 17631 -70.3 -85.3 9 15.0 -70.4 205 13 413.4 413.4 306.9 413.4 0.00 41 80 17850 -69.5 -89.5 4 20.0 -69.6 218 16 419.4 419.4 307.6 419.4 0.00 42 76 18157 -67.3 -88.3 4 21.0 -67.4 284 16 430.2 430.2 308.9 430.2 0.00 43 70 18650 -68.5 -87.5 5 19.0 -68.7 320 24 437.8 437.8 309.7 437.9 0.00 44 58 19758 -75.5 -89.5 9 14.0 -75.6 299 22 446.2 446.2 310.5 446.2 0.00 45 50 20630 -69.5 -89.5 4 20.0 -69.6 85 27 479.7 479.7 313.4 479.7 0.00 46 47 20997 -71.9 -90.9 4 19.0 -72.1 85 19 482.5 482.5 313.7 482.5 0.00 47 37 22428 -65.9 -89.9 2 24.0 -66.2 84 43 532.1 532.1 317.1 532.1 0.00 TRP 95 16874 -84.7 -87.1 65 2.4 -84.7 255 11 369.5 369.5 300.5 369.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 564.37 mb = 4934.95 m = 16190.57 ft Wetbulb zero: 611.22 mb = 4272.50 m = 14017.22 ft Precipitable water: 1.79 inches Sfc-500 mean rel hum: 68.99 % Est. max temperature: 29.80 C = 85.64 F Sfc-Lift cond lev (LCL): 878.93 mb = 1235.88 m = 4054.66 ft T: 19.49 C 700-500 lapse rate: 5.10 C/km ThetaE index: 13.60 C Layer 808.0- 701.0 mb Conv cond level (CCL): 843.27 mb = 1592.73 m = 5225.42 ft Mean mixing ratio: 14.85 g/kg Conv temperature: 29.40 C = 84.92 F Cap Strength: 1.58 C Lifted Index: -0.21 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.42 C Lifted Index @700 mb: -0.19 C Showalter Index: 0.08 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.60 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 231.80 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 167.10 J/kg Max Up Vert Vel: 18.28 m/s Conv Inhibition (B-): 26.79 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 879.90 mb = 1226.34 m = 4023.37 ft Lev Free Conv (LFC): 814.90 mb = 1884.47 m = 6182.58 ft Equ Level (EL): 784.90 mb = 2202.43 m = 7225.72 ft B at Equ Level: 12.10 J/kg Max Parcel Lev (MPL): 744.90 mb = 2643.91 m = 8674.13 ft Wind level data Storm motion: 112 at 12 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 ---------------------------------------------------------- 0 973 344 10 8 -1.4 -7.9 | 322 16 9.8 -12.5 1 944 610 60 7 -6.1 -3.5 | 327 10 5.2 -8.1 2 925 793 70 7 -6.6 -2.4 | 326 8 4.6 -7.0 3 912 914 75 10 -9.7 -2.6 | 348 7 1.6 -7.2 4 881 1219 60 10 -8.7 -5.0 | 345 10 2.6 -9.6 5 850 1525 75 11 -10.6 -2.8 | 355 7 0.6 -7.4 6 820 1829 95 11 -11.0 1.0 | 356 4 0.3 -3.6 7 791 2134 100 17 -16.7 3.0 | 74 6 -5.5 -1.6 8 763 2438 100 21 -20.7 3.6 | 84 10 -9.5 -0.9 9 710 3048 105 16 -15.5 4.1 | 84 4 -4.2 -0.4 10 700 3165 90 15 -15.0 0.0 | 39 6 -3.8 -4.6 11 611 4267 85 23 -22.9 -2.0 | 61 13 -11.7 -6.6 12 588 4572 70 20 -18.8 -6.8 | 34 14 -7.6 -11.4 13 546 5182 80 18 -17.7 -3.1 | 40 10 -6.5 -7.7 14 506 5791 65 19 -17.2 -8.0 | 25 14 -6.0 -12.6 15 500 5890 65 19 -17.2 -8.0 | 25 14 -6.0 -12.6 16 487 6096 70 16 -15.0 -5.5 | 21 11 -3.8 -10.1 17 468 6401 95 11 -11.0 1.0 | 356 4 0.3 -3.6 18 450 6706 135 11 -7.8 7.8 | 227 5 3.4 3.2 19 432 7010 125 12 -9.8 6.9 | 211 3 1.4 2.3 20 416 7315 85 15 -14.9 -1.3 | 32 7 -3.7 -5.9 21 400 7610 65 18 -16.3 -7.6 | 23 13 -5.1 -12.2 22 399 7620 65 16 -14.5 -6.8 | 16 12 -3.3 -11.3 23 367 8230 65 20 -18.1 -8.5 | 28 15 -6.9 -13.0 24 352 8534 60 17 -14.7 -8.5 | 15 14 -3.5 -13.1 25 338 8839 90 19 -19.0 0.0 | 59 9 -7.8 -4.6 26 311 9449 85 28 -27.9 -2.4 | 67 18 -16.7 -7.0 27 300 9710 75 22 -21.3 -5.7 | 44 14 -10.0 -10.3 28 285 10058 75 20 -19.3 -5.2 | 40 13 -8.1 -9.8 29 261 10668 35 14 -8.0 -11.5 | 349 16 3.2 -16.1 30 250 10970 55 15 -12.3 -8.6 | 5 13 -1.1 -13.2 31 250 10973 55 15 -12.3 -8.6 | 5 13 -1.1 -13.2 32 208 12192 20 15 -5.1 -14.1 | 342 20 6.1 -18.7 33 200 12450 350 17 3.0 -16.7 | 326 26 14.2 -21.3 34 199 12497 350 15 2.6 -14.8 | 324 24 13.8 -19.4 35 171 13411 5 17 -1.5 -16.9 | 336 24 9.7 -21.5 36 155 14021 350 11 1.9 -10.8 | 320 20 13.1 -15.4 37 150 14240 355 8 0.7 -8.0 | 316 17 11.9 -12.6 38 148 14326 360 11 -0.0 -11.0 | 324 19 11.2 -15.6 39 133 14935 340 1 0.3 -0.9 | 296 13 11.6 -5.5 40 120 15545 290 10 9.4 -3.4 | 291 22 20.6 -8.0 41 108 16154 290 21 19.7 -7.2 | 291 33 31.0 -11.8 42 100 16590 270 8 8.0 -0.0 | 283 20 19.2 -4.6 43 97 16764 270 8 8.0 -0.0 | 283 20 19.2 -4.6 44 95 16874 255 11 10.6 2.8 | 275 22 21.8 -1.7 45 92 17069 250 11 10.3 3.8 | 272 22 21.6 -0.8 46 87 17374 210 20 10.0 17.3 | 239 25 21.2 12.7 47 83 17678 205 13 5.5 11.8 | 247 18 16.7 7.2 48 79 17983 225 18 12.7 12.7 | 251 25 24.0 8.1 49 74 18288 320 14 9.0 -10.7 | 307 25 20.2 -15.3 50 71 18593 335 23 9.7 -20.8 | 321 33 20.9 -25.4 51 70 18650 320 24 15.4 -18.4 | 311 35 26.7 -23.0 52 61 19507 295 29 26.3 -12.3 | 294 41 37.5 -16.8 53 55 20117 305 12 9.8 -6.9 | 299 24 21.1 -11.5 54 50 20630 85 27 -26.9 -2.4 | 66 17 -15.7 -6.9 55 49 20726 80 11 -10.8 -1.9 | 357 7 0.4 -6.5 56 43 21336 95 34 -33.9 3.0 | 86 23 -22.6 -1.6 57 41 21641 65 36 -32.6 -15.2 | 47 29 -21.4 -19.8 58 36 22250 90 45 -45.0 0.0 | 82 34 -33.8 -4.6 59 34 22555 85 50 -49.8 -4.4 | 77 40 -38.6 -8.9 Wind Parameters Mean winds (0-6000m): 82.2 at 16.2 knts Storm direction: 112.2 at 12.1 knts Shear (0-3000m) pos: 3.4 neg: 1.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 84.8 deg Storm rel helicity (0-3000m) pos: 24.8 neg: -5.7 tot: 19.2 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 10.86 Bulk Shear: 15.39 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 49 7 329 11| 8.6 0.0 8.6| 8.3 -0.6 7.7 15.4 0.28| 9.2 2.6 1000 60 9 337 10| 4.3 1.2 5.5| 13.2 -1.2 11.9 11.9 0.33| 7.1 2.3 1500 68 9 343 8| 4.6 0.8 5.4| 15.7 -1.2 14.5 9.7 0.30| 6.7 2.0 2000 80 11 357 7| 5.4 0.6 6.0| 23.0 -1.2 21.8 10.9 0.43| 7.2 3.1 2500 87 13 16 6| 4.0 0.5 4.5| 24.1 -1.2 22.9 9.1 0.38| 6.7 2.6 3000 89 13 24 5| 3.4 1.0 4.4| 24.8 -5.7 19.2 6.4 0.23| 6.8 1.6 4000 88 15 37 6| 2.5 1.4 4.0| 30.5 -11.4 19.1 4.8 0.21| 6.2 1.3 5000 85 16 38 8| 2.0 1.2 3.2| 34.0 -29.5 4.5 0.9 0.10| 5.9 0.6 6000 82 16 35 8| 2.0 1.3 3.3| 34.0 -41.9 -8.0 -1.3 0.02| 6.0 0.1 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251018.12.gif