UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 1 DEC 25 Station: KOAK WMO ident: 72493 Latitude: 37.73 Longitude: -122.22 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1019 3 6.2 4.8 91 1.4 5.5 125 7 277.9 278.7 277.7 292.2 5.29 1 1012 62 6.8 4.5 85 2.3 5.7 101 8 279.0 279.9 278.3 293.3 5.21 2 1000 163 6.6 4.2 85 2.4 5.4 60 10 279.8 280.6 278.6 293.9 5.17 3 986 279 6.6 3.4 80 3.2 5.1 44 10 280.9 281.7 278.9 294.6 4.95 4 976 362 5.6 3.2 85 2.4 4.5 35 12 280.7 281.5 278.7 294.3 4.93 5 964 463 5.8 2.7 80 3.1 4.3 27 17 281.9 282.7 279.2 295.3 4.82 6 944 635 6.6 0.6 65 6.0 3.8 15 24 284.4 285.1 279.7 296.3 4.23 7 941 661 6.0 1.0 70 5.0 3.7 15 26 284.0 284.8 279.7 296.3 4.37 8 938 688 7.8 -0.2 57 8.0 4.1 15 27 286.1 286.8 280.3 297.6 4.01 9 936 705 8.0 -1.0 53 9.0 3.9 15 28 286.5 287.2 280.2 297.4 3.79 10 933 732 8.2 -1.8 49 10.0 3.7 15 29 287.0 287.6 280.1 297.3 3.59 11 927 785 9.4 -2.6 43 12.0 4.1 15 32 288.7 289.3 280.7 298.6 3.40 12 925 803 9.6 -3.4 40 13.0 3.9 15 33 289.1 289.7 280.7 298.5 3.21 13 922 830 9.8 -4.2 37 14.0 3.7 16 32 289.6 290.1 280.7 298.5 3.03 14 907 966 9.6 -6.4 32 16.0 2.9 20 27 290.8 291.2 280.7 298.5 2.61 15 886 1160 8.6 -8.4 29 17.0 1.8 20 22 291.7 292.1 280.7 298.5 2.29 16 867 1340 9.0 1.0 57 8.0 5.0 24 18 293.9 294.8 284.5 307.8 4.74 17 860 1407 9.4 -1.6 46 11.0 4.2 27 17 295.0 295.7 284.1 306.7 3.95 18 853 1475 9.2 -3.8 40 13.0 3.3 29 16 295.5 296.1 283.6 305.6 3.38 19 851 1494 10.0 -5.0 34 15.0 3.3 30 16 296.5 297.1 283.7 305.8 3.09 20 850 1504 10.0 -5.0 34 15.0 3.3 30 16 296.6 297.2 283.8 305.9 3.10 21 848 1524 9.8 -5.2 34 15.0 3.1 30 17 296.6 297.2 283.7 305.8 3.06 22 841 1592 9.4 -6.6 32 16.0 2.5 34 16 296.9 297.4 283.5 305.3 2.77 23 837 1632 9.6 -13.4 18 23.0 1.0 37 16 297.5 297.8 282.4 302.6 1.62 24 833 1671 9.4 -7.6 29 17.0 2.2 40 15 297.7 298.2 283.6 305.6 2.59 25 818 1822 9.4 -13.6 18 23.0 0.8 49 13 299.3 299.6 283.1 304.4 1.63 26 809 1913 8.6 -12.4 21 21.0 0.5 55 12 299.4 299.7 283.4 305.0 1.82 27 791 2099 7.4 -15.6 18 23.0 -0.7 68 9 300.0 300.3 283.2 304.5 1.43 28 787 2140 8.0 -26.0 7 34.0 -1.7 70 8 301.1 301.2 282.6 303.0 0.58 29 780 2214 7.6 -33.4 4 41.0 -2.5 70 9 301.4 301.5 282.4 302.4 0.29 30 715 2927 5.6 19 21 306.8 31 700 3101 7.0 10 22 310.2 32 696 3148 7.4 8 21 311.2 33 659 3594 4.2 -25.8 9 30.0 -4.7 360 17 312.5 312.6 287.1 314.9 0.71 34 649 3718 3.2 -14.8 25 18.0 -3.6 4 17 312.7 313.1 288.3 318.8 1.87 35 592 4458 -0.3 -21.3 19 21.0 -7.1 26 19 317.0 317.2 289.0 321.0 1.18 36 554 4983 -4.9 -22.9 23 18.0 -10.2 29 24 317.6 317.8 289.2 321.4 1.09 37 539 5198 -6.3 -27.3 17 21.0 -11.8 27 24 318.4 318.6 289.0 321.1 0.76 38 500 5780 -11.1 -29.1 21 18.0 -15.3 20 23 319.5 319.6 289.3 321.9 0.69 39 499 5795 -11.1 -29.1 21 18.0 -15.3 15 24 319.7 319.8 289.4 322.1 0.69 40 479 6108 -13.3 -34.3 15 21.0 -17.4 20 21 320.7 320.8 289.5 322.3 0.44 41 478 6124 -13.5 -34.5 15 21.0 -17.6 21 21 320.7 320.8 289.5 322.2 0.43 42 400 7450 -24.7 -36.7 32 12.0 -26.5 20 30 322.9 323.0 290.1 324.4 0.41 43 393 7578 -25.9 -36.9 35 11.0 -27.5 20 31 323.0 323.0 290.1 324.5 0.41 44 389 7652 -26.5 -36.5 38 10.0 -27.9 20 32 323.1 323.2 290.2 324.7 0.43 45 380 7821 -27.1 -39.1 31 12.0 -28.7 23 31 324.5 324.6 290.5 325.8 0.34 46 316 9123 -37.3 -45.3 43 8.0 -37.9 21 39 327.9 327.9 291.3 328.7 0.21 47 312 9210 -37.7 -45.7 43 8.0 -38.3 20 40 328.5 328.6 291.5 329.3 0.21 48 308 9299 -38.3 -44.3 53 6.0 -38.8 20 43 328.9 328.9 291.7 329.8 0.24 49 305 9367 -38.5 -45.5 48 7.0 -39.1 20 44 329.5 329.6 291.8 330.4 0.21 50 300 9480 -39.5 -48.5 38 9.0 -40.1 20 47 329.7 329.7 291.8 330.3 0.16 51 296 9572 -40.3 -49.3 38 9.0 -40.9 18 47 329.8 329.9 291.8 330.4 0.14 52 291 9688 -41.5 -50.5 37 9.0 -42.0 16 46 329.7 329.8 291.7 330.2 0.13 53 286 9805 -42.3 -51.3 37 9.0 -42.8 15 46 330.2 330.2 291.9 330.7 0.12 54 282 9900 -43.1 -48.1 58 5.0 -43.4 16 46 330.4 330.4 292.0 331.1 0.17 55 250 10700 -49.9 -54.0 62 4.1 -50.0 20 48 331.9 331.9 292.3 332.3 0.10 56 244 10858 -51.3 -54.8 66 3.5 -51.4 21 49 332.1 332.1 292.4 332.5 0.09 57 224 11408 -55.5 -60.0 57 4.5 -55.6 25 53 333.9 333.9 292.8 334.1 0.05 58 200 12120 -61.5 -65.8 56 4.3 -61.6 25 57 335.4 335.4 293.2 335.5 0.03 59 160 13468 -68.3 -73.9 44 5.6 -68.4 30 63 345.9 345.9 295.7 346.0 0.01 60 150 13850 -70.3 -76.3 41 6.0 -70.4 30 38 349.0 349.0 296.4 349.0 0.01 61 100 16280 -64.5 -85.5 4 21.0 -64.7 40 19 403.1 403.1 305.6 403.1 0.00 62 94 16658 -65.9 -86.9 4 21.0 -66.0 40 16 407.5 407.5 306.2 407.6 0.00 63 87 17131 -64.5 -86.5 3 22.0 -64.7 354 11 419.5 419.5 307.7 419.5 0.00 64 82 17493 -65.3 -87.3 3 22.0 -65.5 8 14 425.0 425.0 308.3 425.0 0.00 65 77 17878 -64.3 -87.3 3 23.0 -64.5 15 18 434.8 434.8 309.3 434.8 0.00 66 75 18040 -61.9 -86.9 2 25.0 -62.2 24 18 443.1 443.1 310.2 443.1 0.00 67 72 18295 -60.5 -86.5 2 26.0 -60.9 42 15 451.3 451.3 311.0 451.3 0.00 68 70 18470 -61.5 -87.5 2 26.0 -61.9 85 5 452.8 452.8 311.1 452.8 0.00 69 67 18741 -62.3 -87.3 2 25.0 -62.6 67 8 456.8 456.8 311.5 456.8 0.00 70 60 19423 -62.1 -88.1 2 26.0 -62.5 62 11 471.9 471.9 312.8 471.9 0.00 71 57 19742 -59.3 -87.3 1 28.0 -59.9 39 14 485.2 485.2 313.8 485.2 0.00 72 54 20079 -60.7 -87.7 2 27.0 -61.2 45 19 489.5 489.5 314.2 489.6 0.00 73 51 20435 -60.1 -88.1 1 28.0 -60.7 65 24 499.0 499.0 314.9 499.0 0.00 74 51 20435 -58.3 -87.3 1 29.0 -59.0 65 24 503.2 503.2 315.2 503.3 0.00 75 50 20560 -57.7 -86.7 1 29.0 -58.5 65 26 507.5 507.5 315.5 507.5 0.00 76 49 20687 -57.3 -86.3 1 29.0 -58.1 65 26 511.4 511.4 315.7 511.4 0.00 77 45 21223 -58.9 -86.9 2 28.0 -59.6 68 19 520.1 520.1 316.3 520.1 0.00 78 43 21509 -56.5 -86.5 1 30.0 -57.5 71 24 532.8 532.8 317.1 532.9 0.01 79 40 21966 -57.7 -86.7 1 29.0 -58.6 62 37 541.0 541.0 317.6 541.0 0.01 80 34 22995 -55.5 -86.5 1 31.0 -56.9 87 39 572.5 572.5 319.3 572.5 0.01 81 31 23582 -56.7 -86.7 1 30.0 -58.0 89 42 584.6 584.6 319.9 584.6 0.01 82 30 23790 -55.9 -85.9 1 30.0 -57.3 80 57 592.2 592.3 320.3 592.3 0.01 83 27 24460 -55.7 -86.7 1 31.0 -57.3 81 57 610.9 610.9 321.1 611.0 0.01 84 23 25473 -58.9 -87.9 1 29.0 -60.2 83 62 630.2 630.2 321.9 630.2 0.01 85 20 26350 -58.7 -87.7 1 29.0 -60.2 80 57 656.5 656.5 322.9 656.6 0.01 86 19 26672 -59.1 -88.1 1 29.0 -60.6 80 58 665.0 665.0 323.2 665.0 0.01 87 17 27377 -55.1 -86.1 1 31.0 -57.6 80 59 699.3 699.3 324.4 699.4 0.01 88 13 29107 -51.3 -84.3 1 33.0 -55.5 86 50 768.2 768.2 326.4 768.4 0.02 89 12 29630 -49.1 -83.1 1 34.0 -54.4 89 49 793.8 793.8 327.1 794.1 0.03 90 11 30199 -50.9 -83.9 1 33.0 -55.7 82 52 807.2 807.3 327.4 807.5 0.03 91 11 30199 -48.3 -83.3 1 35.0 -54.2 82 52 816.7 816.7 327.7 817.0 0.03 92 10 30830 -46.3 -82.3 1 36.0 -53.4 75 55 846.7 846.7 328.3 847.2 0.05 93 9.4 31242 -44.9 -81.9 1 37.0 -52.9 867.2 867.2 328.8 867.7 0.05 94 8.9 31606 -47.1 -82.1 1 35.0 -54.2 872.3 872.4 328.9 872.9 0.05 95 8.4 31989 -47.5 -82.5 1 35.0 -54.7 885.3 885.3 329.1 885.8 0.05 96 7.8 32480 -45.9 -82.9 1 37.0 -54.2 910.7 910.7 329.7 911.2 0.05 TRP 160 13468 -71.9 -76.5 50 4.6 -71.9 30 63 339.9 339.9 294.3 339.9 0.01 WND 160 13468 -68.3 -73.9 44 5.6 -68.4 30 63 345.9 345.9 295.7 346.0 0.01 Sounding variables and indices 1000-500 mb thick: 5617.00 m Freezing level: 596.89 mb = 4394.19 m = 14416.46 ft Wetbulb zero: 801.36 mb = 1991.53 m = 6533.81 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 32.98 % Est. max temperature: 22.10 C = 71.78 F Sfc-Lift cond lev (LCL): 997.30 mb = 185.18 m = 607.54 ft T: 6.60 C 700-500 lapse rate: 6.76 C/km ThetaE index: 3.38 C Layer 848.0- 833.0 mb Conv cond level (CCL): 544.27 mb = 5122.01 m = 16804.29 ft Mean mixing ratio: 4.57 g/kg Conv temperature: 46.72 C = 116.09 F Cap Strength: 21.59 C Lifted Index: 21.11 C Risk: None Lifted Index @300 mb: 24.35 C Lifted Index @700 mb: 19.17 C Showalter Index: 13.84 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 6.10 C K Index: -19.42 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.95 J/kg Max Up Vert Vel: 8.94 m/s Conv Inhibition (B-): 74451.98 J/kg Cap Strength: 21.51 C Lift Cond Lev (LCL): 898.33 mb = 1045.79 m = 3431.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 54 at 14 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 1019 3 125 7 -5.7 4.0 | 205 13 5.6 12.2 1 1000 163 60 10 -8.7 -5.0 | 221 4 2.7 3.2 2 983 305 40 10 -6.4 -7.7 | 264 5 5.0 0.5 3 947 610 15 23 -6.0 -22.2 | 339 15 5.4 -14.0 4 925 803 15 33 -8.5 -31.9 | 353 24 2.8 -23.7 5 913 914 20 29 -9.9 -27.3 | 356 19 1.5 -19.1 6 880 1219 20 20 -6.8 -18.8 | 337 12 4.5 -10.6 7 850 1504 30 16 -8.0 -13.9 | 329 7 3.4 -5.7 8 848 1524 30 17 -8.5 -14.7 | 336 7 2.9 -6.5 9 817 1829 50 13 -10.0 -8.4 | 277 1 1.4 -0.2 10 787 2134 70 8 -7.5 -2.7 | 215 7 3.9 5.4 11 759 2438 70 10 -9.4 -3.4 | 203 5 2.0 4.8 12 731 2743 25 17 -7.2 -15.4 | 330 8 4.2 -7.2 13 705 3048 15 23 -6.0 -22.2 | 339 15 5.4 -14.0 14 700 3101 10 22 -3.8 -21.7 | 331 15 7.6 -13.5 15 678 3353 360 19 -0.0 -19.0 | 314 16 11.4 -10.8 16 653 3658 360 16 -0.0 -16.0 | 304 14 11.4 -7.8 17 628 3962 25 20 -8.5 -18.1 | 344 10 2.9 -9.9 18 605 4267 15 18 -4.7 -17.4 | 324 11 6.7 -9.2 19 582 4572 35 19 -10.9 -15.6 | 356 7 0.5 -7.4 20 560 4877 30 24 -12.0 -20.8 | 3 13 -0.6 -12.6 21 500 5780 20 23 -7.9 -21.6 | 345 14 3.5 -13.4 22 499 5791 15 24 -6.2 -23.2 | 341 16 5.2 -15.0 23 479 6096 20 21 -7.2 -19.7 | 340 12 4.2 -11.6 24 460 6401 30 20 -10.0 -17.3 | 351 9 1.4 -9.1 25 442 6706 5 22 -1.9 -21.9 | 325 17 9.5 -13.7 26 400 7450 20 30 -10.3 -28.2 | 357 20 1.1 -20.0 27 390 7620 20 32 -10.9 -30.1 | 359 22 0.4 -21.9 28 374 7925 25 31 -13.1 -28.1 | 5 20 -1.7 -19.9 29 358 8230 15 38 -9.8 -36.7 | 357 29 1.5 -28.5 30 329 8839 25 42 -17.7 -38.1 | 12 31 -6.4 -29.9 31 315 9144 20 39 -13.3 -36.6 | 4 29 -2.0 -28.5 32 300 9480 20 47 -16.1 -44.2 | 7 36 -4.7 -36.0 33 288 9754 15 46 -11.9 -44.4 | 1 36 -0.5 -36.3 34 250 10700 20 48 -16.4 -45.1 | 8 37 -5.0 -36.9 35 228 11278 25 52 -22.0 -47.1 | 15 40 -10.6 -38.9 36 200 12120 25 57 -24.1 -51.7 | 16 45 -12.7 -43.5 37 162 13411 25 57 -24.1 -51.7 | 16 45 -12.7 -43.5 38 160 13468 30 63 -31.5 -54.6 | 23 51 -20.1 -46.4 39 153 13716 30 63 -31.5 -54.6 | 23 51 -20.1 -46.4 40 150 13850 30 38 -19.0 -32.9 | 17 26 -7.6 -24.7 41 146 14021 40 51 -32.8 -39.1 | 35 38 -21.4 -30.9 42 139 14326 5 41 -3.6 -40.8 | 347 34 7.8 -32.7 43 132 14630 20 51 -17.4 -47.9 | 9 40 -6.1 -39.7 44 125 14935 15 30 -7.8 -29.0 | 350 21 3.6 -20.8 45 119 15240 10 25 -4.3 -24.6 | 337 18 7.0 -16.4 46 113 15545 20 21 -7.2 -19.7 | 340 12 4.2 -11.6 47 107 15850 5 25 -2.2 -24.9 | 331 19 9.2 -16.7 48 100 16280 40 19 -12.2 -14.6 | 7 6 -0.8 -6.4 49 97 16459 40 19 -12.2 -14.6 | 7 6 -0.8 -6.4 50 92 16764 40 15 -9.6 -11.5 | 332 4 1.7 -3.3 51 88 17069 350 10 1.7 -9.8 | 277 13 13.1 -1.7 52 84 17374 10 14 -2.4 -13.8 | 302 11 8.9 -5.6 53 80 17678 5 15 -1.3 -14.9 | 304 12 10.1 -6.8 54 76 17983 20 19 -6.5 -17.9 | 333 11 4.9 -9.7 55 72 18288 40 16 -10.3 -12.3 | 345 4 1.1 -4.1 56 70 18470 85 5 -5.0 -0.4 | 220 10 6.4 7.7 57 69 18593 60 10 -8.7 -5.0 | 221 4 2.7 3.2 58 65 18898 75 5 -4.8 -1.3 | 224 10 6.6 6.9 59 62 19202 40 10 -6.4 -7.7 | 264 5 5.0 0.5 60 59 19507 70 12 -11.3 -4.1 | 181 4 0.1 4.1 61 56 19812 30 15 -7.5 -13.0 | 321 6 3.9 -4.8 62 51 20422 65 24 -21.8 -10.1 | 79 11 -10.4 -2.0 63 50 20560 65 26 -23.6 -11.0 | 77 13 -12.2 -2.8 64 49 20726 65 26 -23.6 -11.0 | 77 13 -12.2 -2.8 65 46 21031 55 20 -16.4 -11.5 | 57 6 -5.0 -3.3 66 44 21336 75 19 -18.4 -4.9 | 115 8 -7.0 3.3 67 40 21946 60 37 -32.0 -18.5 | 63 23 -20.7 -10.3 68 38 22250 85 35 -34.9 -3.1 | 102 24 -23.5 5.1 69 30 23774 90 43 -43.0 0.0 | 105 33 -31.6 8.2 70 30 23790 80 57 -56.1 -9.9 | 88 45 -44.8 -1.7 71 29 24079 75 51 -49.3 -13.2 | 82 38 -37.9 -5.0 72 27 24384 80 56 -55.1 -9.7 | 88 44 -43.8 -1.5 73 25 24994 85 64 -63.8 -5.6 | 93 52 -52.4 2.6 74 20 26350 80 57 -56.1 -9.9 | 88 45 -44.8 -1.7 75 17 27432 80 59 -58.1 -10.2 | 87 47 -46.7 -2.1 76 16 27737 75 53 -51.2 -13.7 | 82 40 -39.8 -5.5 77 12 29566 90 49 -49.0 0.0 | 102 38 -37.6 8.2 78 10 30830 75 55 -53.1 -14.2 | 82 42 -41.7 -6.1 Wind Parameters Mean winds (0-6000m): 24.3 at 18.7 knts Storm direction: 54.3 at 14.0 knts Shear (0-3000m) pos: 3.4 neg: 7.7 tot: 11.2 10-3/s Storm rel Dir Shear (0-3000m): 133.7 deg Storm rel helicity (0-3000m) pos: 55.6 neg: -28.1 tot: 27.5 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 15.5 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.50 Bulk Shear: 11.42 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 46 11 263 3| 0.0 21.6 21.6| 17.8 -2.7 15.1 30.1 0.53| 23.7 12.6 1000 24 19 339 10| 0.0 14.9 14.9| 47.9 -8.0 39.9 39.9 0.38| 23.6 8.9 1500 23 20 340 10| 3.8 9.9 13.7| 47.9 -23.6 24.3 16.2 0.22| 19.6 4.3 2000 27 18 339 9| 5.1 7.5 12.6| 49.0 -26.3 22.7 11.4 0.13| 17.3 2.2 2500 32 16 334 6| 4.1 6.2 10.3| 49.3 -28.1 21.2 8.5 0.10| 15.1 1.6 3000 31 16 333 7| 3.4 7.7 11.2| 55.6 -28.1 27.5 9.2 0.16| 15.5 2.5 4000 24 17 329 9| 2.7 5.4 8.1| 78.2 -62.5 15.8 3.9 0.12| 13.9 1.7 5000 25 18 333 9| 2.4 4.8 7.2| 91.7 -71.5 20.1 4.0 0.13| 12.5 1.6 6000 24 19 337 10| 2.0 4.0 6.0| 91.7 -88.5 3.1 0.5 0.09| 11.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251201.12.gif