UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 25 DEC 25 Station: SBUL WMO ident: 83525 Latitude: -18.89 Longitude: -48.23 Elevation: 943.00 ------------------------------------------------------------------------------- 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 101 1 925 797 SFC 910 943 25.4 16.4 57 9.0 19.2 70 7 306.7 309.1 295.7 345.8 13.00 3 850 1535 21.0 15.0 69 6.0 16.9 30 9 308.1 310.5 295.9 346.6 12.72 4 727 2866 10.2 10.2 100 0.0 10.2 132 9 310.4 312.4 295.1 343.5 10.82 5 700 3182 9.4 -0.6 50 10.0 4.1 115 12 312.9 313.9 291.5 329.4 5.23 6 691 3289 9.2 -0.8 50 10.0 3.9 108 12 313.8 314.8 291.8 330.3 5.23 7 686 3350 8.4 4.7 77 3.7 6.2 105 11 313.6 315.1 293.8 338.0 7.83 8 589 4592 0.2 -7.8 55 8.0 -3.4 41 11 318.0 318.7 291.6 329.8 3.61 9 565 4925 -2.5 -3.9 90 1.4 -3.2 37 15 318.7 319.6 293.0 335.0 5.08 10 549 5153 -2.5 -8.5 63 6.0 -5.2 34 18 321.3 322.0 292.6 333.4 3.67 11 523 5537 -4.9 -10.9 63 6.0 -7.4 35 21 322.9 323.5 292.7 333.5 3.18 12 512 5704 -5.9 -10.0 73 4.1 -7.7 54 15 323.6 324.3 293.2 335.3 3.49 13 500 5890 -6.5 -14.5 53 8.0 -9.6 45 17 325.1 325.6 292.7 333.6 2.49 14 499 5906 -6.5 -14.5 53 8.0 -9.6 45 17 325.3 325.8 292.7 333.8 2.49 15 495 5969 -5.9 -16.9 41 11.0 -9.9 47 15 326.8 327.2 292.7 333.9 2.06 16 451 6693 -9.9 -31.9 15 22.0 -15.2 55 14 330.6 330.7 292.4 332.7 0.59 17 402 7572 -15.3 -41.3 9 26.0 -19.8 77 26 334.6 334.7 293.2 335.6 0.26 18 400 7610 -15.7 -41.7 9 26.0 -20.1 80 28 334.6 334.6 293.2 335.5 0.25 19 378 8034 -18.5 -38.5 15 20.0 -22.1 66 36 336.3 336.4 293.7 337.7 0.36 20 311 9454 -29.9 -47.9 16 18.0 -31.7 85 45 339.7 339.8 294.4 340.4 0.16 21 300 9710 -30.7 -58.7 5 28.0 -32.7 80 46 342.1 342.1 294.8 342.3 0.05 22 296 9805 -31.1 -59.1 5 28.0 -33.1 81 46 342.9 342.9 295.0 343.0 0.04 23 255 10836 -40.5 -51.5 30 11.0 -41.2 85 53 343.9 343.9 295.4 344.4 0.13 24 250 10970 -41.1 -54.1 23 13.0 -41.9 80 54 345.0 345.0 295.6 345.4 0.10 25 229 11560 -44.7 -63.4 11 18.7 -45.4 70 67 348.2 348.2 296.3 348.4 0.03 26 228 11589 -44.9 -63.9 10 19.0 -45.6 70 67 348.4 348.4 296.3 348.5 0.03 27 200 12450 -51.9 -64.9 20 13.0 -52.2 85 60 350.6 350.6 296.8 350.7 0.03 28 150 14250 -67.1 -75.1 31 8.0 -67.2 80 66 354.5 354.5 297.6 354.5 0.01 29 137 14794 -70.7 -78.7 30 8.0 -70.8 80 62 357.5 357.5 298.2 357.5 0.01 30 100 16630 -78.5 -87.5 22 9.0 -78.5 80 36 376.1 376.1 301.6 376.1 0.00 31 92 17102 -81.1 -89.1 25 8.0 -81.1 80 39 380.0 380.0 302.2 380.0 0.00 32 75 18250 -81.7 -90.7 20 9.0 -81.7 99 43 401.6 401.6 305.4 401.6 0.00 33 70 18640 -78.7 -89.7 15 11.0 -78.7 75 45 416.0 416.0 307.2 416.0 0.00 34 66 18974 -78.7 -89.7 15 11.0 -78.7 79 47 423.1 423.1 308.1 423.1 0.00 35 63 19243 -72.9 -88.9 7 16.0 -73.0 77 42 441.5 441.5 310.0 441.5 0.00 36 50 20610 -68.7 -89.7 3 21.0 -68.9 90 25 481.6 481.6 313.6 481.6 0.00 37 49 20731 -68.7 -89.7 3 21.0 -68.9 91 25 484.4 484.4 313.8 484.4 0.00 38 37 22440 -60.9 -88.9 1 28.0 -61.6 97 23 544.9 544.9 317.8 545.0 0.00 39 30 23740 -61.1 -89.1 1 28.0 -61.9 95 30 578.1 578.1 319.6 578.1 0.00 40 20 26340 -48.3 -82.3 1 34.0 -52.3 75 34 688.3 688.3 324.0 688.5 0.02 41 16 27806 -49.3 -82.3 1 33.0 -53.6 90 33 730.4 730.4 325.4 730.7 0.03 TRP 92 17102 -81.1 -89.1 25 8.0 -81.1 80 39 380.0 380.0 302.2 380.0 0.00 WND 229 11560 -44.7 -63.4 11 18.7 -45.4 70 67 348.2 348.2 296.3 348.4 0.03 Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 587.22 mb = 4616.91 m = 15147.16 ft Wetbulb zero: 623.49 mb = 4128.46 m = 13544.66 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 71.31 % Est. max temperature: 28.41 C = 83.14 F Sfc-Lift cond lev (LCL): 797.69 mb = 2075.95 m = 6810.79 ft T: 16.61 C 700-500 lapse rate: 5.87 C/km ThetaE index: 17.28 C Layer 727.0- 691.0 mb Conv cond level (CCL): 759.55 mb = 2493.23 m = 8179.80 ft Mean mixing ratio: 12.68 g/kg Conv temperature: 28.41 C = 83.14 F Cap Strength: 1.44 C Lifted Index: -2.18 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.25 C Lifted Index @700 mb: -0.11 C Showalter Index: -2.30 C Risk: Severe thunderstorms possible Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 21.50 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 215.00 Risk: None Energy Index: -2.58 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 358.49 J/kg Max Up Vert Vel: 26.78 m/s Conv Inhibition (B-): 30.18 J/kg Cap Strength: 1.44 C Lift Cond Lev (LCL): 780.45 mb = 2262.03 m = 7421.28 ft Lev Free Conv (LFC): 745.45 mb = 2652.82 m = 8703.36 ft Equ Level (EL): 285.45 mb = 10055.66 m = 32990.60 ft B at Equ Level: 353.32 J/kg Max Parcel Lev (MPL): 165.45 mb = 13636.51 m = 44738.65 ft Wind level data Storm motion: 85 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 ---------------------------------------------------------- 0 910 943 70 7 -6.6 -2.4 | 315 2 1.7 -1.7 1 881 1219 25 12 -5.1 -10.9 | 342 11 3.2 -10.2 2 850 1535 30 9 -4.5 -7.8 | 332 8 3.8 -7.1 3 792 2134 60 2 -1.7 -1.0 | 273 7 6.6 -0.3 4 764 2438 135 5 -3.5 3.5 | 228 6 4.8 4.2 5 711 3048 130 11 -8.4 7.1 | 179 8 -0.1 7.8 6 700 3182 115 12 -10.9 5.1 | 156 6 -2.6 5.8 7 612 4267 45 7 -4.9 -4.9 | 322 5 3.3 -4.3 8 526 5486 30 22 -11.0 -19.1 | 8 19 -2.7 -18.4 9 506 5791 65 12 -10.9 -5.1 | 31 5 -2.6 -4.4 10 500 5890 45 17 -12.0 -12.0 | 18 12 -3.7 -11.3 11 487 6096 50 13 -10.0 -8.4 | 12 8 -1.7 -7.7 12 416 7315 60 15 -13.0 -7.5 | 35 8 -4.7 -6.8 13 400 7610 80 28 -27.6 -4.9 | 78 20 -19.3 -4.2 14 399 7620 80 28 -27.6 -4.9 | 78 20 -19.3 -4.2 15 383 7925 60 30 -26.0 -15.0 | 51 23 -17.7 -14.3 16 367 8230 80 50 -49.2 -8.7 | 79 42 -41.0 -8.0 17 311 9449 85 45 -44.8 -3.9 | 85 37 -36.5 -3.2 18 300 9710 80 46 -45.3 -8.0 | 79 38 -37.0 -7.3 19 261 10668 90 51 -51.0 0.0 | 91 43 -42.7 0.7 20 250 10970 80 54 -53.2 -9.4 | 79 46 -44.9 -8.7 21 250 10973 85 51 -50.8 -4.4 | 85 43 -42.5 -3.8 22 229 11560 70 67 -63.0 -22.9 | 68 59 -54.7 -22.2 23 218 11887 70 67 -63.0 -22.9 | 68 59 -54.7 -22.2 24 200 12450 85 60 -59.8 -5.2 | 85 52 -51.5 -4.5 25 199 12497 85 61 -60.8 -5.3 | 85 53 -52.5 -4.6 26 150 14250 80 66 -65.0 -11.5 | 79 58 -56.7 -10.8 27 141 14630 80 66 -65.0 -11.5 | 79 58 -56.7 -10.8 28 127 15240 80 50 -49.2 -8.7 | 79 42 -41.0 -8.0 29 114 15850 100 39 -38.4 6.8 | 104 31 -30.1 7.5 30 100 16630 80 36 -35.5 -6.3 | 78 28 -27.2 -5.6 31 98 16764 80 37 -36.4 -6.4 | 78 29 -28.2 -5.7 32 92 17102 80 39 -38.4 -6.8 | 79 31 -30.1 -6.1 33 83 17678 80 36 -35.5 -6.3 | 78 28 -27.2 -5.6 34 75 18288 100 43 -42.3 7.5 | 103 35 -34.1 8.1 35 70 18640 75 45 -43.5 -11.6 | 73 37 -35.2 -11.0 36 67 18898 80 48 -47.3 -8.3 | 79 40 -39.0 -7.7 37 60 19507 75 38 -36.7 -9.8 | 72 30 -28.4 -9.2 38 57 19812 90 30 -30.0 0.0 | 92 22 -21.7 0.7 39 54 20117 100 34 -33.5 5.9 | 105 26 -25.2 6.6 40 50 20610 90 25 -25.0 0.0 | 92 17 -16.7 0.7 41 44 21336 95 26 -25.9 2.3 | 100 18 -17.6 2.9 42 40 21946 80 25 -24.6 -4.3 | 77 17 -16.3 -3.7 43 38 22250 100 25 -24.6 4.3 | 107 17 -16.3 5.0 44 35 22860 90 20 -20.0 0.0 | 93 12 -11.7 0.7 45 33 23165 105 23 -22.2 6.0 | 115 15 -13.9 6.6 46 31 23470 130 27 -20.7 17.4 | 145 22 -12.4 18.0 47 30 23740 95 30 -29.9 2.6 | 99 22 -21.6 3.3 48 28 24079 95 31 -30.9 2.7 | 99 23 -22.6 3.4 49 27 24384 105 34 -32.8 8.8 | 111 26 -24.6 9.5 50 26 24689 80 43 -42.3 -7.5 | 79 35 -34.1 -6.8 51 25 24994 85 44 -43.8 -3.8 | 85 36 -35.5 -3.2 52 24 25298 70 52 -48.9 -17.8 | 67 44 -40.6 -17.1 53 21 25908 55 38 -31.1 -21.8 | 47 31 -22.8 -21.1 54 20 26340 75 34 -32.8 -8.8 | 72 26 -24.6 -8.1 55 16 27127 90 33 -33.0 0.0 | 92 25 -24.7 0.7 56 12 28042 95 30 -29.9 2.6 | 99 22 -21.6 3.3 Wind Parameters Mean winds (0-6000m): 55.3 at 11.1 knts Storm direction: 85.3 at 8.3 knts Shear (0-3000m) pos: 2.1 neg: 2.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 34.1 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -41.2 tot: -39.4 m^2/s^2 ave: -13.1 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 166.07 Bulk Shear: 2.16 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 34 10 341 8| 0.0 6.7 6.7| 1.7 -4.4 -2.6 -5.2 0.02| 11.1 0.3 1000 34 9 332 7| 3.2 3.4 6.5| 1.7 -12.3 -10.6 -10.6 -0.26| 8.8 -2.3 1500 40 7 320 6| 4.2 2.2 6.5| 1.7 -21.4 -19.6 -13.1 -0.43| 8.5 -3.7 2000 63 7 321 3| 3.2 1.0 4.2| 1.7 -29.7 -27.9 -14.0 -0.52| 7.6 -4.0 2500 82 8 313 1| 2.5 2.0 4.6| 1.7 -38.8 -37.0 -14.8 -0.57| 7.7 -4.3 3000 83 8 333 0| 2.1 2.3 4.4| 1.7 -41.2 -39.4 -13.1 -0.60| 7.4 -4.4 4000 70 9 357 2| 1.6 2.9 4.5| 11.8 -43.0 -31.2 -7.8 -0.41| 7.0 -2.9 5000 56 11 5 5| 2.0 3.0 5.0| 31.7 -47.3 -15.5 -3.1 -0.24| 8.0 -1.9 6000 55 11 8 6| 2.0 2.5 4.4| 36.0 -49.0 -13.0 -2.2 -0.21| 7.1 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251225.12.gif