UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SB107... Searching the city database file for: SB107 ... Date:1200Z 4 DEC 25 Station: SB107 WMO ident: 82107 Latitude: -0.12 Longitude: -66.97 ------------------------------------------------------------------------------- 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 1000 115 24.6 24.1 97 0.5 24.3 50 3 297.8 301.2 297.4 353.6 19.23 1 925 792 22.2 21.0 93 1.2 21.3 30 5 302.0 305.2 297.2 352.7 17.17 2 850 1527 19.2 14.3 73 4.9 15.9 25 8 306.3 308.5 295.0 342.7 12.15 3 781 2252 16.0 9.0 63 7.0 11.6 310.3 312.1 294.0 338.7 9.27 4 700 3174 10.4 5.4 71 5.0 7.4 335 9 314.0 315.5 294.1 339.2 8.06 5 665 3599 7.4 5.2 86 2.2 6.1 315.3 316.9 294.7 341.5 8.38 6 625 4107 4.4 2.2 86 2.2 3.1 317.5 318.9 294.4 340.3 7.20 7 579 4726 1.2 -16.8 25 18.0 -5.5 320.8 321.1 290.8 326.8 1.77 8 560 4994 -1.3 -2.9 89 1.6 -2.1 320.9 322.0 294.0 338.8 5.53 9 547 5181 -2.5 -3.1 96 0.6 -2.8 321.6 322.7 294.3 339.7 5.57 10 500 5890 -5.9 -7.7 87 1.8 -6.7 265 8 325.8 326.7 294.3 340.1 4.29 11 492 6016 -6.9 -7.7 94 0.8 -7.3 326.1 327.0 294.5 340.6 4.36 12 476 6275 -7.5 -14.5 57 7.0 -10.2 328.5 329.0 293.7 337.4 2.61 13 445 6797 -10.7 -20.7 44 10.0 -13.9 330.8 331.2 293.5 336.7 1.65 14 419 7259 -14.1 -22.1 51 8.0 -16.5 332.2 332.5 293.7 337.8 1.55 15 409 7442 -15.7 -20.7 65 5.0 -17.3 332.5 332.8 294.0 338.8 1.80 16 400 7610 -16.5 -19.0 81 2.5 -17.3 285 13 333.5 334.0 294.6 341.1 2.13 17 398 7648 -16.7 -18.7 84 2.0 -17.4 333.8 334.2 294.7 341.5 2.20 18 360 8396 -20.7 -30.7 40 10.0 -22.9 338.1 338.3 294.6 341.2 0.82 19 328 9078 -25.1 -28.2 75 3.1 -25.8 341.2 341.4 295.6 345.5 1.14 20 300 9720 -30.3 -33.7 72 3.4 -30.9 150 9 342.7 342.8 295.6 345.5 0.74 21 273 10384 -35.5 -40.5 60 5.0 -36.1 344.5 344.6 295.8 346.1 0.41 22 250 10990 -40.9 -44.3 70 3.4 -41.2 115 17 345.3 345.3 295.8 346.5 0.30 23 237 11350 -44.1 -51.1 46 7.0 -44.5 345.7 345.8 295.8 346.4 0.15 24 200 12460 -54.5 -59.5 54 5.0 -54.6 105 17 346.5 346.5 295.9 346.7 0.06 25 199 12492 -54.7 -59.7 54 5.0 -54.8 346.6 346.7 296.0 346.9 0.06 26 183 13020 -59.7 -68.7 30 9.0 -59.8 346.9 346.9 296.0 347.0 0.02 27 178 13192 -61.5 -69.5 34 8.0 -61.6 346.7 346.7 295.9 346.8 0.02 28 169 13511 -63.9 -69.9 44 6.0 -64.0 347.9 347.9 296.2 348.0 0.02 29 153 14112 -68.5 -77.5 26 9.0 -68.5 350.1 350.1 296.7 350.1 0.01 30 150 14230 -68.9 -76.9 31 8.0 -68.9 95 33 351.4 351.4 297.0 351.4 0.01 31 140 14643 -70.1 -76.1 41 6.0 -70.1 356.3 356.3 298.0 356.3 0.01 32 134 14905 -69.5 -80.5 19 11.0 -69.5 361.9 361.9 299.1 361.9 0.00 33 101 16554 -79.9 -86.9 30 7.0 -79.9 372.3 372.3 300.9 372.3 0.00 34 100 16610 -80.3 -87.3 30 7.0 -80.3 325 16 372.6 372.6 301.0 372.6 0.00 35 79 17916 -86.1 -91.0 41 4.9 -86.1 70 20 386.6 386.6 303.3 386.6 0.00 36 70 18590 -78.3 -88.3 18 10.0 -78.3 305 11 416.9 416.9 307.3 416.9 0.00 37 50 20540 -74.9 -90.9 7 16.0 -75.0 100 21 467.0 467.0 312.4 467.0 0.00 38 30 23630 -64.9 -91.9 1 27.0 -65.4 90 62 567.7 567.7 319.0 567.7 0.00 TRP 79 17916 -86.1 -91.0 41 4.9 -86.1 70 20 386.6 386.6 303.3 386.6 0.00 WND 27 90 65 Sounding variables and indices 1000-500 mb thick: 5775.19 m Freezing level: 569.88 mb = 4854.75 m = 15927.48 ft Wetbulb zero: 608.42 mb = 4324.83 m = 14188.92 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 77.02 % Est. max temperature: 33.11 C = 91.60 F Sfc-Lift cond lev (LCL): 993.21 mb = 174.01 m = 570.90 ft T: 24.39 C 700-500 lapse rate: 6.00 C/km ThetaE index: 14.89 C Layer 925.0- 700.0 mb Conv cond level (CCL): 892.19 mb = 1105.94 m = 3628.38 ft Mean mixing ratio: 17.70 g/kg Conv temperature: 30.67 C = 87.21 F Cap Strength: 0.85 C Lifted Index: -3.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.37 C Lifted Index @700 mb: -0.93 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 20.20 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 195.60 Risk: None Energy Index: -0.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1462.58 J/kg Max Up Vert Vel: 54.08 m/s Conv Inhibition (B-): 45.99 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 934.69 mb = 701.47 m = 2301.40 ft Lev Free Conv (LFC): 739.69 mb = 2709.34 m = 8888.82 ft Equ Level (EL): 139.69 mb = 14656.35 m = 48084.55 ft B at Equ Level: 1404.94 J/kg Max Parcel Lev (MPL): 79.69 mb = 17867.68 m = 58620.27 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 27 29013 90 65 -65.0 0.0 1 1000 115 50 3 -2.3 -1.9 2 1000 107 95 6 -6.0 0.5 3 978 305 105 12 -11.6 3.1 4 944 610 85 8 -8.0 -0.7 5 925 792 30 5 -2.5 -4.3 6 912 914 35 5 -2.9 -4.1 7 850 1527 25 8 -3.4 -7.3 8 820 1829 5 10 -0.9 -10.0 9 791 2134 355 7 0.6 -7.0 10 763 2438 10 6 -1.0 -5.9 11 700 3174 335 9 3.8 -8.2 12 635 3962 285 10 9.7 -2.6 13 611 4267 285 12 11.6 -3.1 14 589 4572 280 18 17.7 -3.1 15 546 5182 280 10 9.8 -1.7 16 506 5791 295 10 9.1 -4.2 17 500 5890 265 8 8.0 0.7 18 487 6096 285 7 6.8 -1.8 19 432 7010 275 26 25.9 -2.3 20 400 7610 285 13 12.6 -3.4 21 399 7620 290 15 14.1 -5.1 22 383 7925 320 13 8.4 -10.0 23 368 8230 310 7 5.4 -4.5 24 311 9449 115 3 -2.7 1.3 25 300 9720 150 9 -4.5 7.8 26 286 10058 145 11 -6.3 9.0 27 274 10363 120 13 -11.3 6.5 28 250 10990 115 17 -15.4 7.2 29 239 11278 110 17 -16.0 5.8 30 228 11582 125 13 -10.6 7.5 31 208 12192 100 12 -11.8 2.1 32 200 12460 105 17 -16.4 4.4 33 199 12497 105 19 -18.4 4.9 34 180 13106 85 12 -12.0 -1.0 35 155 14021 105 32 -30.9 8.3 36 150 14230 95 33 -32.9 2.9 37 148 14326 95 36 -35.9 3.1 38 133 14935 70 23 -21.6 -7.9 39 126 15240 5 28 -2.4 -27.9 40 120 15545 355 31 2.7 -30.9 41 114 15850 350 13 2.3 -12.8 42 108 16154 350 15 2.6 -14.8 43 100 16610 325 16 9.2 -13.1 44 97 16764 325 16 9.2 -13.1 45 92 17069 340 17 5.8 -16.0 46 82 17678 30 24 -12.0 -20.8 47 79 17916 70 20 -18.8 -6.8 48 78 17983 35 25 -14.3 -20.5 49 74 18288 100 18 -17.7 3.1 50 70 18590 305 11 9.0 -6.3 51 70 18593 340 10 3.4 -9.4 52 66 18898 310 12 9.2 -7.7 53 63 19202 220 4 2.6 3.1 54 60 19507 250 10 9.4 3.4 55 57 19812 215 20 11.5 16.4 56 54 20117 210 10 5.0 8.7 57 51 20422 190 1 0.2 1.0 58 50 20540 100 21 -20.7 3.6 59 48 20726 100 15 -14.8 2.6 60 46 21031 110 34 -31.9 11.6 61 42 21641 105 44 -42.5 11.4 62 38 22250 80 58 -57.1 -10.1 63 30 23630 90 62 -62.0 0.0 64 25 24384 90 65 -65.0 0.0 Wind Parameters Energy-Hel index: -91.40 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//SB107/skewt/SB107.skewt.20251204.12.gif