UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 3 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 1017 3 8.2 6.3 88 1.9 7.2 100 8 280.0 281.0 279.6 296.1 5.89 1 1015 20 9.0 6.5 84 2.5 7.7 94 8 281.0 282.0 280.2 297.4 5.98 2 1008 78 8.8 5.5 80 3.3 7.1 71 9 281.3 282.3 279.9 296.8 5.62 3 1000 146 9.6 4.7 71 4.9 7.1 45 10 282.8 283.7 280.3 297.6 5.35 4 991 221 9.8 3.8 66 6.0 6.8 24 12 283.7 284.6 280.4 297.9 5.07 5 986 263 10.6 2.6 58 8.0 6.7 12 14 284.9 285.7 280.5 298.1 4.68 6 961 476 9.0 2.0 61 7.0 5.6 6 22 285.4 286.2 280.6 298.4 4.60 7 956 520 9.8 -0.2 50 10.0 5.2 7 23 286.6 287.3 280.4 297.9 3.94 8 943 633 8.8 -0.2 53 9.0 4.6 11 28 286.7 287.4 280.5 298.1 3.99 9 933 721 10.0 -3.0 40 13.0 4.2 16 33 288.8 289.4 280.6 298.4 3.28 10 925 793 9.8 -3.2 40 13.0 4.1 20 37 289.3 289.9 280.8 298.8 3.26 11 916 874 10.2 -4.8 34 15.0 3.7 23 33 290.6 291.1 281.0 299.1 2.92 12 893 1086 10.6 -8.4 25 19.0 2.9 28 29 293.1 293.5 281.3 299.9 2.27 13 853 1465 7.4 -11.6 24 19.0 0.3 21 32 293.6 293.9 281.0 299.2 1.84 14 850 1494 7.8 -17.2 15 25.0 -0.5 20 32 294.3 294.5 280.4 298.0 1.17 15 847 1523 9.6 -26.4 6 36.0 -0.5 30 30 296.5 296.6 280.6 298.2 0.52 16 801 1983 6.8 -29.2 6 36.0 -2.6 350 30 298.3 298.4 281.2 299.7 0.43 17 798 2014 6.8 -30.2 5 37.0 -2.6 349 29 298.6 298.7 281.3 299.9 0.39 18 756 2454 3.2 -32.8 5 36.0 -5.1 350 34 299.4 299.4 281.5 300.5 0.32 19 752 2497 3.4 -34.6 4 38.0 -5.1 352 34 300.0 300.1 281.7 301.0 0.27 20 700 3074 0.4 -43.6 2 44.0 -7.5 5 36 302.9 302.9 282.7 303.3 0.11 21 675 3364 -1.3 -46.3 2 45.0 -8.8 0 42 304.2 304.2 283.2 304.5 0.09 22 672 3400 -0.5 -46.5 2 46.0 -8.4 359 43 305.5 305.5 283.7 305.8 0.09 23 662 3519 -0.7 -43.7 2 43.0 -8.5 357 45 306.6 306.6 284.2 307.0 0.12 24 640 3788 -2.9 -44.9 2 42.0 -10.1 354 49 307.0 307.1 284.4 307.4 0.11 25 638 3813 -2.9 -45.9 2 43.0 -10.1 354 50 307.3 307.3 284.4 307.7 0.10 26 630 3913 -1.3 -48.3 1 47.0 -9.2 353 51 310.3 310.3 285.5 310.5 0.08 27 621 4027 -1.9 -47.9 2 46.0 -9.6 352 52 310.8 310.9 285.7 311.1 0.08 28 616 4091 -1.3 -45.3 2 44.0 -9.2 352 53 312.3 312.3 286.3 312.7 0.11 29 593 4393 -2.5 -44.5 2 42.0 -10.1 350 54 314.3 314.3 287.0 314.7 0.12 30 546 5042 -7.1 -42.1 4 35.0 -13.3 349 48 316.3 316.4 287.8 317.0 0.17 31 500 5720 -12.9 -34.9 14 22.0 -17.1 345 51 317.3 317.4 288.3 318.7 0.39 32 494 5812 -13.7 -34.7 15 21.0 -17.7 344 51 317.4 317.5 288.4 318.9 0.41 33 488 5905 -13.9 -34.9 15 21.0 -17.9 343 51 318.3 318.4 288.6 319.8 0.40 34 462 6318 -16.5 -33.5 22 17.0 -19.7 340 51 320.1 320.2 289.3 321.8 0.49 35 451 6498 -18.3 -33.3 26 15.0 -21.1 340 50 320.0 320.1 289.3 321.9 0.51 36 424 6955 -22.5 -29.5 53 7.0 -23.8 340 49 320.4 320.5 289.7 323.1 0.78 37 421 7007 -22.9 -28.9 58 6.0 -24.1 340 49 320.5 320.7 289.8 323.4 0.83 38 407 7254 -24.1 -34.1 39 10.0 -25.7 340 48 322.1 322.2 290.0 324.0 0.52 39 405 7290 -24.3 -36.3 32 12.0 -26.1 340 48 322.3 322.3 289.9 323.8 0.42 40 402 7344 -24.9 -37.9 29 13.0 -26.7 340 48 322.2 322.2 289.8 323.5 0.36 41 400 7380 -25.1 -37.1 32 12.0 -26.8 340 48 322.4 322.4 289.9 323.8 0.40 42 378 7788 -28.7 -36.7 46 8.0 -29.8 348 52 322.9 323.0 290.1 324.5 0.44 43 362 8096 -30.9 -42.9 30 12.0 -32.1 353 59 323.9 324.0 290.2 324.8 0.24 44 339 8557 -34.7 -45.7 32 11.0 -35.6 0 69 324.9 324.9 290.5 325.6 0.19 45 334 8661 -35.3 -46.3 32 11.0 -36.2 2 72 325.5 325.5 290.6 326.2 0.18 46 322 8915 -36.7 -47.7 31 11.0 -37.5 4 78 327.0 327.0 291.0 327.6 0.16 47 318 9001 -37.3 -45.3 43 8.0 -37.9 3 81 327.3 327.3 291.2 328.1 0.21 48 300 9400 -41.1 -46.1 58 5.0 -41.5 355 89 327.4 327.5 291.2 328.2 0.20 49 299 9423 -41.3 -46.3 58 5.0 -41.6 355 89 327.5 327.5 291.2 328.2 0.20 50 281 9841 -45.1 -53.1 40 8.0 -45.4 355 91 327.9 327.9 291.2 328.3 0.10 51 270 10107 -47.7 -52.7 56 5.0 -47.9 355 92 327.9 327.9 291.2 328.3 0.11 52 264 10255 -49.1 -55.1 50 6.0 -49.3 355 92 327.9 327.9 291.2 328.2 0.08 53 254 10507 -51.7 -54.8 69 3.1 -51.8 355 91 327.7 327.7 291.2 328.1 0.09 54 250 10610 -52.5 -56.4 63 3.9 -52.6 355 91 328.0 328.0 291.2 328.3 0.07 55 244 10766 -53.3 -58.1 56 4.8 -53.4 360 92 329.1 329.1 291.5 329.3 0.06 56 200 12020 -60.1 -72.1 19 12.0 -60.2 355 73 337.6 337.6 293.7 337.6 0.01 57 150 13790 -65.7 -82.7 8 17.0 -65.8 355 74 356.9 356.9 298.1 356.9 0.00 58 149 13831 -65.9 -82.9 8 17.0 -66.0 355 76 357.2 357.2 298.1 357.3 0.00 59 100 16270 -66.1 -87.1 4 21.0 -66.2 345 36 400.0 400.0 305.2 400.0 0.00 60 90 16911 -63.5 -86.5 3 23.0 -63.7 353 45 417.4 417.4 307.4 417.4 0.00 61 87 17119 -64.3 -87.3 3 23.0 -64.5 353 47 419.9 419.9 307.7 419.9 0.00 62 84 17335 -60.9 -86.9 2 26.0 -61.2 346 43 431.0 431.0 309.0 431.0 0.00 63 77 17873 -62.3 -87.3 2 25.0 -62.6 12 33 439.0 439.0 309.8 439.0 0.00 64 75 18035 -61.1 -87.1 2 26.0 -61.4 13 34 444.8 444.8 310.4 444.8 0.00 65 70 18460 -64.1 -88.1 2 24.0 -64.4 30 17 447.3 447.3 310.6 447.3 0.00 66 67 18727 -64.7 -88.7 2 24.0 -65.0 19 21 451.6 451.6 311.0 451.6 0.00 67 66 18819 -64.3 -89.3 2 25.0 -64.6 11 20 454.4 454.4 311.3 454.4 0.00 68 65 18913 -61.9 -87.9 2 26.0 -62.3 5 19 461.6 461.6 311.9 461.7 0.00 69 63 19106 -60.7 -87.7 2 27.0 -61.1 3 21 468.4 468.4 312.5 468.4 0.00 70 54 20055 -64.3 -89.3 2 25.0 -64.6 37 31 481.2 481.2 313.5 481.3 0.00 71 52 20287 -61.5 -88.5 2 27.0 -62.0 32 30 493.0 493.0 314.4 493.0 0.00 72 51 20407 -62.1 -89.1 2 27.0 -62.6 26 30 494.3 494.3 314.5 494.3 0.00 73 50 20530 -60.7 -88.7 1 28.0 -61.2 40 24 500.4 500.4 315.0 500.5 0.00 74 47 20916 -59.9 -87.9 1 28.0 -60.5 44 17 511.3 511.3 315.7 511.3 0.00 75 47 20916 -59.9 -87.9 1 28.0 -60.5 44 17 511.3 511.3 315.7 511.3 0.00 76 46 21051 -58.3 -87.3 1 29.0 -59.0 44 15 518.3 518.3 316.2 518.3 0.00 77 46 21051 -58.1 -88.1 1 30.0 -58.9 44 15 518.8 518.8 316.2 518.8 0.00 78 39 22085 -61.1 -89.1 1 28.0 -61.7 52 27 536.3 536.3 317.3 536.3 0.00 79 34 22938 -61.5 -88.5 2 27.0 -62.2 36 26 556.7 556.7 318.5 556.7 0.00 80 34 22938 -61.5 -89.5 1 28.0 -62.2 36 26 556.7 556.7 318.5 556.7 0.00 81 31 23514 -59.1 -88.1 1 29.0 -60.1 47 33 578.1 578.1 319.6 578.1 0.01 82 30 23720 -59.3 -88.3 1 29.0 -60.3 80 21 583.0 583.0 319.8 583.0 0.01 83 27 24378 -59.5 -88.5 1 29.0 -60.6 50 21 600.3 600.3 320.6 600.3 0.01 84 25 24861 -56.9 -87.9 1 31.0 -58.4 54 25 621.1 621.1 321.5 621.1 0.01 85 24 25118 -58.3 -87.3 1 29.0 -59.6 61 22 624.3 624.3 321.7 624.4 0.01 86 20 26270 -55.7 -86.7 1 31.0 -57.8 55 34 665.7 665.7 323.3 665.8 0.01 87 18 26943 -54.5 -86.5 1 32.0 -57.0 55 33 689.8 689.8 324.1 689.9 0.01 88 18 26943 -55.3 -86.3 1 31.0 -57.6 55 33 687.3 687.3 324.0 687.4 0.01 89 16 27699 -52.9 -85.9 1 33.0 -56.1 50 40 718.7 718.7 325.0 718.8 0.02 90 15 28120 -48.7 -83.7 1 35.0 -53.4 53 41 746.0 746.0 325.8 746.2 0.02 91 14 28571 -51.5 -84.5 1 33.0 -55.4 57 41 751.4 751.4 326.0 751.6 0.02 92 14 28571 -48.7 -83.7 1 35.0 -53.6 57 41 760.9 760.9 326.3 761.1 0.03 93 13 29058 -48.7 -83.7 1 35.0 -53.8 59 43 777.2 777.2 326.7 777.4 0.03 94 11 30154 -49.9 -83.9 1 34.0 -55.1 47 48 810.9 810.9 327.5 811.2 0.03 95 11 30154 -48.7 -83.7 1 35.0 -54.4 47 48 815.2 815.2 327.6 815.5 0.03 96 10 30780 -49.1 -84.1 1 35.0 -54.9 40 51 836.3 836.3 328.1 836.6 0.03 97 9.9 30846 -48.3 -83.3 1 35.0 -54.5 40 51 841.7 841.7 328.2 842.0 0.04 98 9.3 31255 -50.1 -84.1 1 34.0 -55.8 41 53 850.0 850.0 328.4 850.3 0.04 99 8.8 31616 -47.7 -83.7 1 36.0 -54.6 42 55 872.8 872.8 328.9 873.2 0.04 100 8.1 32162 -47.7 -83.7 1 36.0 -54.9 43 58 893.8 893.8 329.3 894.2 0.04 101 8.0 32244 -47.7 -83.7 1 36.0 -55.0 43 59 896.9 897.0 329.4 897.4 0.04 102 7.0 33120 -49.5 -84.5 1 35.0 -56.5 45 63 924.4 924.4 329.9 924.9 0.04 103 6.4 33709 -47.7 -83.7 1 36.0 -55.9 956.1 956.1 330.5 956.7 0.06 104 5.9 34244 -49.5 -84.5 1 35.0 -57.1 970.7 970.8 330.7 971.3 0.05 105 5.7 34472 -46.7 -83.7 1 37.0 -55.9 992.6 992.7 331.1 993.3 0.06 106 5.4 34830 -47.1 -83.1 1 36.0 -56.3 1006.3 1006.4 331.3 1007.2 0.07 TRP 149 13831 -65.9 -82.9 8 17.0 -66.0 355 76 357.2 357.2 298.1 357.3 0.00 WND 244 10766 -53.3 -58.1 56 4.8 -53.4 360 92 329.1 329.1 291.5 329.3 0.06 Sounding variables and indices 1000-500 mb thick: 5574.00 m Freezing level: 694.12 mb = 3142.30 m = 10309.25 ft Wetbulb zero: 851.86 mb = 1476.04 m = 4842.58 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 14.46 % Est. max temperature: 21.69 C = 71.04 F Sfc-Lift cond lev (LCL): 987.93 mb = 246.82 m = 809.76 ft T: 10.29 C 700-500 lapse rate: 5.03 C/km ThetaE index: 1.95 C Layer 853.0- 847.0 mb Conv cond level (CCL): 557.57 mb = 4877.37 m = 16001.68 ft Mean mixing ratio: 4.41 g/kg Conv temperature: 44.19 C = 111.53 F Cap Strength: 17.84 C Lifted Index: 17.43 C Risk: None Lifted Index @300 mb: 20.87 C Lifted Index @700 mb: 10.93 C Showalter Index: 17.49 C Risk: None Total Totals Index: 16.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: -4.30 C K Index: -40.50 Risk: None Sweat Index: 115.00 Risk: None Energy Index: 4.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.60 J/kg Max Up Vert Vel: 7.95 m/s Conv Inhibition (B-): 60165.96 J/kg Cap Strength: 17.80 C Lift Cond Lev (LCL): 853.47 mb = 1460.42 m = 4791.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 27 at 29 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 1017 3 100 8 -7.9 1.4 | 191 28 5.1 27.3 1 1000 146 45 10 -7.1 -7.1 | 198 20 6.0 18.8 2 981 305 360 15 -0.0 -15.0 | 230 17 13.0 10.9 3 946 610 10 27 -4.7 -26.6 | 275 8 8.3 -0.7 4 925 793 20 37 -12.7 -34.8 | 358 9 0.4 -8.9 5 912 914 25 31 -13.1 -28.1 | 2 2 -0.1 -2.2 6 879 1219 30 28 -14.0 -24.2 | 149 2 -1.0 1.6 7 850 1494 20 32 -10.9 -30.1 | 334 5 2.1 -4.2 8 847 1524 30 30 -15.0 -26.0 | 87 2 -2.0 -0.1 9 816 1829 355 30 2.6 -29.9 | 284 16 15.6 -4.0 10 786 2134 345 29 7.5 -28.0 | 276 21 20.5 -2.2 11 757 2438 350 34 5.9 -33.5 | 292 20 18.9 -7.6 12 729 2743 360 34 -0.0 -34.0 | 302 15 13.0 -8.1 13 702 3048 5 34 -3.0 -33.9 | 309 13 10.1 -8.0 14 700 3074 5 36 -3.1 -35.9 | 315 14 9.9 -10.0 15 650 3658 355 48 4.2 -47.8 | 322 28 17.2 -22.0 16 601 4267 350 55 9.6 -54.2 | 321 36 22.6 -28.3 17 557 4877 350 47 8.2 -46.3 | 314 29 21.2 -20.4 18 500 5720 345 51 13.2 -49.3 | 312 35 26.2 -23.4 19 475 6096 340 51 17.4 -47.9 | 306 38 30.5 -22.1 20 400 7380 340 48 16.4 -45.1 | 303 35 29.4 -19.2 21 387 7620 345 49 12.7 -47.3 | 310 33 25.7 -21.5 22 325 8839 5 76 -6.6 -75.7 | 353 50 6.4 -49.8 23 311 9144 360 86 -0.0 -86.0 | 348 62 13.0 -60.1 24 300 9400 355 89 7.8 -88.7 | 342 66 20.8 -62.8 25 272 10058 355 92 8.0 -91.6 | 342 69 21.0 -65.8 26 250 10610 355 91 7.9 -90.7 | 342 68 21.0 -64.8 27 244 10766 360 92 -0.0 -92.0 | 349 67 13.0 -66.1 28 236 10973 360 92 -0.0 -92.0 | 349 67 13.0 -66.1 29 200 12020 355 73 6.4 -72.7 | 338 51 19.4 -46.9 30 194 12192 355 73 6.4 -72.7 | 338 51 19.4 -46.9 31 176 12802 355 81 7.1 -80.7 | 340 58 20.1 -54.8 32 150 13790 355 74 6.4 -73.7 | 338 52 19.5 -47.9 33 149 13831 355 76 6.6 -75.7 | 338 54 19.6 -49.8 34 137 14326 360 81 -0.0 -81.0 | 347 57 13.0 -55.1 35 118 15240 10 50 -8.7 -49.2 | 349 24 4.3 -23.4 36 107 15850 10 32 -5.6 -31.5 | 307 9 7.5 -5.7 37 100 16270 345 36 9.3 -34.8 | 292 24 22.3 -8.9 38 97 16459 345 36 9.3 -34.8 | 292 24 22.3 -8.9 39 88 17069 355 48 4.2 -47.8 | 322 28 17.2 -22.0 40 84 17374 345 42 10.9 -40.6 | 302 28 23.9 -14.7 41 80 17678 10 31 -5.4 -30.5 | 301 9 7.6 -4.7 42 72 18288 15 36 -9.3 -34.8 | 337 10 3.7 -8.9 43 70 18460 30 17 -8.5 -14.7 | 202 12 4.5 11.1 44 69 18593 30 22 -11.0 -19.1 | 197 7 2.0 6.8 45 65 18898 5 19 -1.7 -18.9 | 239 13 11.4 6.9 46 59 19507 360 25 -0.0 -25.0 | 266 13 13.0 0.9 47 56 19812 25 37 -15.6 -33.5 | 19 8 -2.6 -7.7 48 53 20117 40 30 -19.3 -23.0 | 115 7 -6.3 2.9 49 51 20422 25 30 -12.7 -27.2 | 345 1 0.3 -1.3 50 50 20530 40 24 -15.4 -18.4 | 162 8 -2.4 7.5 51 46 21031 45 15 -10.6 -10.6 | 189 15 2.4 15.3 52 44 21336 35 19 -10.9 -15.6 | 192 11 2.1 10.3 53 42 21641 35 27 -15.5 -22.1 | 147 4 -2.5 3.7 54 40 21946 45 29 -20.5 -20.5 | 126 9 -7.5 5.4 55 38 22250 60 24 -20.8 -12.0 | 151 16 -7.8 13.9 56 36 22555 50 18 -13.8 -11.6 | 177 14 -0.8 14.3 57 34 22860 35 24 -13.8 -19.7 | 173 6 -0.7 6.2 58 31 23470 40 36 -23.1 -27.6 | 80 10 -10.1 -1.7 59 30 23720 80 21 -20.7 -3.6 | 161 23 -7.7 22.2 60 28 24079 80 22 -21.7 -3.8 | 159 24 -8.6 22.0 61 27 24384 50 21 -16.1 -13.5 | 166 13 -3.1 12.4 62 26 24689 45 31 -21.9 -21.9 | 114 10 -8.9 3.9 63 25 24994 60 20 -17.3 -10.0 | 165 16 -4.3 15.9 64 22 25603 65 28 -25.4 -11.8 | 139 19 -12.4 14.0 65 20 26270 55 34 -27.9 -19.5 | 113 16 -14.8 6.4 66 19 26518 60 27 -23.4 -13.5 | 140 16 -10.4 12.4 67 17 27432 50 40 -30.6 -25.7 | 90 18 -17.6 0.2 68 16 27737 50 40 -30.6 -25.7 | 90 18 -17.6 0.2 69 13 28956 60 42 -36.4 -21.0 | 102 24 -23.3 4.9 70 10 30780 40 51 -32.8 -39.1 | 56 24 -19.8 -13.2 71 7 33120 45 63 -44.5 -44.5 | 59 37 -31.5 -18.7 Wind Parameters Mean winds (0-6000m): 356.7 at 38.6 knts Storm direction: 26.7 at 29.0 knts Shear (0-3000m) pos: 3.6 neg: 6.1 tot: 9.7 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 158.4 neg: -22.8 tot: 135.7 m^2/s^2 ave: 45.2 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 16.0 stream: 5.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.35 Bulk Shear: 89.21 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 18 14 215 15| 0.0 25.3 25.3| 78.8 0.0 78.8 157.6 0.65| 28.5 18.5 1000 18 22 233 8| 6.0 12.7 18.7|108.8 0.0 108.8 108.8 0.66| 26.2 17.4 1500 21 25 236 5| 4.0 9.2 13.2|109.5 -0.3 109.2 72.8 0.55| 20.4 11.3 2000 17 26 261 5| 3.0 9.1 12.1|109.5 -18.2 91.4 45.7 0.33| 20.0 6.6 2500 10 27 276 8| 3.0 7.3 10.3|142.0 -22.8 119.3 47.7 0.36| 17.7 6.3 3000 8 28 283 9| 3.6 6.1 9.7|158.4 -22.8 135.7 45.2 0.37| 16.0 5.9 4000 4 32 301 13| 2.7 7.1 9.8|175.1 -23.3 151.8 37.9 0.34| 14.7 4.9 5000 360 36 309 17| 2.2 5.4 7.6|175.1 -63.6 111.4 22.3 0.27| 12.9 3.5 6000 357 39 310 20| 1.8 5.1 6.9|175.1 -99.8 75.3 12.5 0.22| 11.5 2.6 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251203.12.gif