UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 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 1017 3 11.0 6.7 75 4.3 8.8 75 8 282.8 283.8 281.1 299.5 6.05 1 1009 69 9.8 5.5 75 4.3 7.6 66 6 282.2 283.2 280.3 297.8 5.61 2 1000 144 9.4 5.6 77 3.8 7.5 55 3 282.5 283.5 280.6 298.3 5.70 3 965 439 7.4 5.2 86 2.2 6.3 349 7 283.4 284.4 281.1 299.4 5.75 4 964 448 7.4 5.1 85 2.3 6.2 351 7 283.5 284.5 281.1 299.4 5.71 5 955 525 7.6 4.2 79 3.4 5.9 5 9 284.5 285.4 281.1 299.6 5.41 6 947 595 8.6 0.6 57 8.0 4.8 17 11 286.2 286.9 280.6 298.2 4.22 7 942 639 9.2 -0.8 50 10.0 4.6 18 12 287.2 287.9 280.6 298.2 3.82 8 933 718 9.8 0.8 53 9.0 5.5 11 14 288.6 289.4 281.8 301.1 4.34 9 926 781 9.4 1.4 57 8.0 5.5 6 16 288.8 289.6 282.1 301.9 4.57 10 925 790 9.4 1.4 57 8.0 5.5 5 16 288.9 289.7 282.2 302.0 4.57 11 920 835 10.6 -0.4 46 11.0 5.4 5 19 290.6 291.3 282.3 302.3 4.03 12 906 963 10.8 -0.2 46 11.0 5.5 7 22 292.1 292.8 283.1 304.2 4.16 13 902 1000 11.0 -1.0 43 12.0 5.3 9 21 292.7 293.4 283.1 304.2 3.94 14 898 1037 11.0 0.0 47 11.0 5.6 11 20 293.0 293.8 283.6 305.5 4.26 15 863 1367 9.0 2.0 61 7.0 5.5 12 13 294.3 295.2 285.0 309.3 5.12 16 850 1493 8.6 -0.4 53 9.0 4.2 5 12 295.2 295.9 284.6 308.0 4.37 17 848 1512 8.6 -0.4 53 9.0 4.2 8 11 295.4 296.1 284.7 308.3 4.38 18 820 1789 6.8 -1.2 57 8.0 3.0 331 19 296.3 297.1 284.9 309.0 4.27 19 813 1859 7.4 -1.6 53 9.0 3.1 326 20 297.7 298.4 285.4 310.1 4.18 20 802 1972 8.2 -17.8 14 26.0 -0.6 330 20 299.7 299.9 282.8 303.4 1.17 21 798 2013 8.0 -22.0 10 30.0 -1.3 331 21 299.9 300.0 282.4 302.6 0.82 22 786 2138 7.0 -6.0 39 13.0 1.3 335 21 300.1 300.7 285.2 309.6 3.10 23 782 2179 6.6 -8.4 33 15.0 0.4 335 22 300.1 300.6 284.6 308.1 2.59 24 766 2349 5.0 -3.0 56 8.0 1.3 335 27 300.2 300.9 286.1 312.3 4.00 25 762 2391 4.8 -4.2 52 9.0 0.7 335 28 300.4 301.1 285.9 311.6 3.67 26 757 2445 5.4 -29.6 6 35.0 -3.7 335 29 301.6 301.7 282.6 303.1 0.43 27 749 2532 5.4 -29.6 6 35.0 -3.7 336 28 302.6 302.6 283.0 304.0 0.44 28 731 2730 4.2 -21.8 13 26.0 -3.8 340 24 303.4 303.5 283.9 306.3 0.91 29 722 2831 3.2 -14.8 25 18.0 -3.2 336 28 303.3 303.6 284.8 308.7 1.68 30 720 2853 3.2 -9.8 38 13.0 -2.0 335 29 303.6 304.0 285.8 311.4 2.52 31 704 3035 2.6 -8.4 44 11.0 -2.0 326 36 304.9 305.4 286.7 313.9 2.88 32 700 3081 2.8 -8.2 44 11.0 -1.9 325 37 305.6 306.1 287.0 314.8 2.94 33 698 3104 2.6 -7.4 48 10.0 -1.7 325 37 305.6 306.2 287.2 315.4 3.14 34 695 3139 2.6 -8.4 44 11.0 -2.0 326 37 306.0 306.5 287.1 315.1 2.92 35 693 3162 2.8 -16.2 23 19.0 -3.9 326 36 306.5 306.8 285.8 311.5 1.56 36 692 3174 3.0 -17.0 21 20.0 -3.9 327 36 306.8 307.1 285.9 311.5 1.46 37 688 3221 2.8 -12.2 32 15.0 -3.0 327 36 307.1 307.5 286.8 314.0 2.18 38 685 3256 2.8 -30.2 7 33.0 -5.7 328 36 307.5 307.6 284.9 309.0 0.45 39 682 3291 2.4 -13.6 30 16.0 -3.6 329 36 307.4 307.8 286.6 313.7 1.96 40 670 3435 2.2 -24.8 11 27.0 -5.6 331 35 308.8 308.9 285.8 311.3 0.76 41 668 3459 2.0 -19.0 19 21.0 -5.0 331 34 308.8 309.0 286.4 313.0 1.27 42 665 3495 2.4 -37.6 3 40.0 -6.4 332 34 309.7 309.7 285.5 310.5 0.23 43 664 3507 2.6 -35.4 4 38.0 -6.2 332 34 310.0 310.1 285.7 311.0 0.28 44 657 3593 2.4 -43.6 2 46.0 -6.7 334 34 310.7 310.7 285.7 311.2 0.12 45 652 3654 2.2 -33.8 5 36.0 -6.5 335 33 311.2 311.2 286.2 312.4 0.34 46 622 4033 0.0 -23.0 16 23.0 -7.0 338 34 312.9 313.1 287.5 316.2 0.97 47 603 4280 -2.1 -20.1 24 18.0 -7.8 340 35 313.2 313.5 287.9 317.5 1.28 48 601 4306 -2.3 -20.3 24 18.0 -8.0 340 35 313.3 313.5 287.9 317.6 1.27 49 587 4493 -3.9 -15.9 39 12.0 -8.1 340 33 313.6 313.9 288.6 319.8 1.88 50 585 4519 -4.1 -15.1 42 11.0 -8.1 340 33 313.6 314.0 288.8 320.3 2.02 51 561 4848 -6.1 -18.1 38 12.0 -10.1 340 30 315.1 315.4 288.9 320.5 1.64 52 551 4989 -6.5 -22.5 27 16.0 -11.2 342 30 316.2 316.4 288.8 320.1 1.14 53 520 5439 -9.3 -25.3 26 16.0 -13.5 350 31 318.1 318.3 289.2 321.4 0.94 54 500 5740 -12.1 -25.1 33 13.0 -15.4 355 32 318.3 318.5 289.3 321.7 1.00 55 400 7400 -25.5 -44.5 15 19.0 -27.6 10 48 321.8 321.9 289.5 322.5 0.18 56 300 9410 -43.1 -54.1 29 11.0 -43.6 20 59 324.6 324.6 290.2 324.9 0.08 57 250 10620 -52.1 -59.1 43 7.0 -52.3 25 86 328.6 328.6 291.4 328.8 0.05 58 219 11465 -58.4 -64.2 47 5.8 -58.5 30 96 331.6 331.6 292.2 331.7 0.03 59 200 12030 -62.7 -67.7 51 5.0 -62.7 25 91 333.5 333.5 292.7 333.6 0.02 60 150 13790 -66.3 -82.3 9 16.0 -66.4 35 41 355.9 355.9 297.9 355.9 0.00 61 142 14119 -68.5 -82.5 12 14.0 -68.6 20 30 357.6 357.6 298.2 357.7 0.00 62 100 16240 -62.9 -85.9 3 23.0 -63.1 345 21 406.2 406.2 306.0 406.2 0.00 63 80 17614 -64.5 -87.5 3 23.0 -64.7 353 15 429.7 429.7 308.8 429.7 0.00 64 75 18010 -64.1 -88.1 2 24.0 -64.3 357 17 438.5 438.5 309.7 438.5 0.00 65 75 18010 -62.5 -87.5 2 25.0 -62.8 357 17 441.9 441.9 310.1 441.9 0.00 66 71 18351 -60.3 -87.3 2 27.0 -60.7 360 15 453.5 453.5 311.2 453.6 0.00 67 70 18440 -61.1 -87.1 2 26.0 -61.4 360 11 453.7 453.7 311.2 453.7 0.00 68 63 19088 -63.9 -88.9 2 25.0 -64.2 358 8 461.4 461.4 311.9 461.4 0.00 69 60 19388 -61.3 -88.3 2 27.0 -61.7 9 12 473.7 473.7 313.0 473.7 0.00 70 57 19705 -62.5 -88.5 2 26.0 -62.9 25 24 477.9 477.9 313.3 478.0 0.00 71 52 20275 -59.1 -87.1 1 28.0 -59.7 45 23 498.6 498.6 314.8 498.6 0.00 72 50 20520 -59.5 -87.5 1 28.0 -60.1 50 14 503.3 503.3 315.2 503.3 0.00 73 48 20775 -58.9 -87.9 1 29.0 -59.6 50 15 510.6 510.6 315.7 510.6 0.00 74 45 21178 -60.5 -88.5 1 28.0 -61.1 50 27 516.2 516.2 316.1 516.3 0.00 75 44 21318 -60.3 -88.3 1 28.0 -60.9 50 32 520.1 520.1 316.3 520.1 0.00 76 43 21462 -57.7 -87.7 1 30.0 -58.6 56 29 529.9 529.9 316.9 529.9 0.00 77 42 21610 -57.1 -87.1 1 30.0 -58.0 64 25 534.9 534.9 317.2 535.0 0.00 78 38 22240 -58.9 -87.9 1 29.0 -59.7 90 30 545.9 545.9 317.9 545.9 0.00 79 30 23730 -56.5 -86.5 1 30.0 -57.9 85 50 590.6 590.6 320.2 590.7 0.01 80 27 24401 -56.7 -86.7 1 30.0 -58.2 90 49 608.1 608.1 321.0 608.2 0.01 81 26 24642 -54.7 -86.7 1 32.0 -56.5 88 52 620.4 620.4 321.5 620.5 0.01 82 24 25158 -53.5 -85.5 1 32.0 -55.7 84 55 638.2 638.3 322.2 638.3 0.01 83 22 25717 -55.1 -86.1 1 31.0 -57.1 82 51 649.6 649.6 322.7 649.6 0.01 84 20 26330 -53.5 -85.5 1 32.0 -56.1 80 47 672.4 672.4 323.5 672.5 0.01 85 18 27008 -52.9 -84.9 1 32.0 -55.8 85 45 694.9 694.9 324.3 695.0 0.02 86 12 29613 -54.5 -85.5 1 31.0 -57.9 79 46 774.6 774.7 326.6 774.8 0.02 87 12 29613 -50.3 -84.3 1 34.0 -55.1 79 46 789.5 789.5 327.0 789.8 0.03 88 11 30184 -48.3 -83.3 1 35.0 -54.2 75 43 816.7 816.7 327.7 817.0 0.03 89 10 30810 -49.1 -83.1 1 34.0 -54.9 90 47 836.3 836.3 328.1 836.6 0.04 90 9.6 31079 -47.5 -82.5 1 35.0 -54.2 852.1 852.2 328.4 852.6 0.05 91 8.1 32191 -51.7 -84.7 1 33.0 -57.2 877.9 877.9 329.0 878.3 0.04 92 7.1 33048 -50.5 -84.5 1 34.0 -56.9 916.6 916.6 329.7 917.0 0.04 TRP 142 14119 -68.5 -82.5 12 14.0 -68.6 20 30 357.6 357.6 298.2 357.7 0.00 WND 219 11465 -58.4 -64.2 47 5.8 -58.5 30 96 331.6 331.6 292.2 331.7 0.03 Sounding variables and indices 1000-500 mb thick: 5596.00 m Freezing level: 622.00 mb = 4032.60 m = 13230.16 ft Wetbulb zero: 803.83 mb = 1952.87 m = 6406.97 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 36.99 % Est. max temperature: 22.42 C = 72.35 F Sfc-Lift cond lev (LCL): 952.85 mb = 543.75 m = 1783.94 ft T: 7.87 C 700-500 lapse rate: 5.60 C/km ThetaE index: 1.78 C Layer 1009.0-1000.0 mb Conv cond level (CCL): 594.88 mb = 4387.15 m = 14393.36 ft Mean mixing ratio: 5.17 g/kg Conv temperature: 41.78 C = 107.21 F Cap Strength: 17.63 C Lifted Index: 17.26 C Risk: None Lifted Index @300 mb: 17.93 C Lifted Index @700 mb: 12.57 C Showalter Index: 11.43 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 11.70 C K Index: 9.30 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 2.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.63 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 63749.65 J/kg Cap Strength: 17.61 C Lift Cond Lev (LCL): 891.66 mb = 1095.74 m = 3594.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 at 19 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 75 8 -7.7 -2.1 | 168 17 -3.6 16.4 1 1000 144 55 3 -2.5 -1.7 | 186 17 1.7 16.8 2 981 305 325 3 1.7 -2.5 | 200 17 5.9 16.0 3 945 610 20 11 -3.8 -10.3 | 183 8 0.4 8.2 4 925 790 5 16 -1.4 -15.9 | 227 4 2.7 2.6 5 911 914 5 24 -2.1 -23.9 | 339 6 2.0 -5.4 6 878 1219 20 14 -4.8 -13.2 | 173 5 -0.7 5.3 7 850 1493 5 12 -1.0 -12.0 | 205 7 3.1 6.6 8 847 1524 10 10 -1.7 -9.8 | 195 9 2.4 8.7 9 816 1829 325 20 11.5 -16.4 | 262 16 15.6 2.1 10 786 2134 335 21 8.9 -19.0 | 272 13 13.0 -0.5 11 757 2438 335 29 12.3 -26.3 | 295 18 16.4 -7.8 12 730 2743 340 24 8.2 -22.6 | 288 13 12.3 -4.0 13 703 3048 325 37 21.2 -30.3 | 295 28 25.4 -11.8 14 700 3081 325 37 21.2 -30.3 | 295 28 25.4 -11.8 15 651 3658 335 33 13.9 -29.9 | 302 21 18.1 -11.4 16 602 4267 340 35 12.0 -32.9 | 312 22 16.1 -14.4 17 558 4877 340 30 10.3 -28.2 | 304 17 14.4 -9.7 18 500 5740 355 32 2.8 -31.9 | 333 15 6.9 -13.4 19 477 6096 360 28 -0.0 -28.0 | 336 10 4.1 -9.5 20 439 6706 20 37 -12.7 -34.8 | 28 18 -8.5 -16.3 21 400 7400 10 48 -8.3 -47.3 | 8 29 -4.2 -28.8 22 388 7620 10 48 -8.3 -47.3 | 8 29 -4.2 -28.8 23 340 8534 5 51 -4.4 -50.8 | 1 32 -0.3 -32.3 24 312 9144 15 54 -14.0 -52.2 | 16 35 -9.8 -33.7 25 300 9410 20 59 -20.2 -55.4 | 23 40 -16.0 -36.9 26 285 9754 20 60 -20.5 -56.4 | 23 41 -16.4 -37.9 27 250 10620 25 86 -36.3 -77.9 | 28 68 -32.2 -59.4 28 219 11465 30 96 -48.0 -83.1 | 34 78 -43.9 -64.6 29 215 11582 30 96 -48.0 -83.1 | 34 78 -43.9 -64.6 30 200 12030 25 91 -38.5 -82.5 | 28 73 -34.3 -64.0 31 168 13106 20 80 -27.4 -75.2 | 22 61 -23.2 -56.7 32 152 13716 30 49 -24.5 -42.4 | 40 31 -20.4 -23.9 33 150 13790 35 41 -23.5 -33.6 | 52 25 -19.4 -15.1 34 144 14021 35 42 -24.1 -34.4 | 51 26 -20.0 -15.9 35 142 14119 20 30 -10.3 -28.2 | 32 11 -6.1 -9.7 36 130 14630 355 24 2.1 -23.9 | 311 8 6.2 -5.4 37 118 15240 360 35 -0.0 -35.0 | 346 17 4.1 -16.5 38 107 15850 5 32 -2.8 -31.9 | 354 13 1.3 -13.4 39 101 16154 5 18 -1.6 -17.9 | 257 3 2.6 0.6 40 100 16240 345 21 5.4 -20.3 | 281 10 9.6 -1.8 41 97 16459 345 21 5.4 -20.3 | 281 10 9.6 -1.8 42 92 16764 15 19 -4.9 -18.4 | 101 1 -0.8 0.2 43 87 17069 310 10 7.7 -6.4 | 224 17 11.8 12.1 44 83 17374 350 14 2.4 -13.8 | 234 8 6.6 4.7 45 72 18288 360 18 -0.0 -18.0 | 263 4 4.1 0.5 46 70 18440 360 11 -0.0 -11.0 | 209 9 4.1 7.5 47 68 18593 15 13 -3.4 -12.6 | 187 6 0.8 5.9 48 65 18898 355 12 1.0 -12.0 | 218 8 5.2 6.6 49 62 19202 360 5 -0.0 -5.0 | 197 14 4.1 13.5 50 56 19812 30 28 -14.0 -24.2 | 60 11 -9.9 -5.7 51 51 20422 50 22 -16.9 -14.1 | 109 13 -12.7 4.4 52 50 20520 50 14 -10.7 -9.0 | 145 12 -6.6 9.5 53 48 20726 50 13 -10.0 -8.4 | 150 12 -5.8 10.1 54 44 21336 50 32 -24.5 -20.6 | 84 20 -20.4 -2.1 55 42 21641 65 24 -21.8 -10.1 | 115 20 -17.6 8.4 56 38 22250 90 30 -30.0 0.0 | 126 32 -25.9 18.5 57 33 23165 80 30 -29.5 -5.2 | 118 29 -25.4 13.3 58 31 23470 70 39 -36.6 -13.3 | 99 33 -32.5 5.2 59 30 23730 85 50 -49.8 -4.4 | 107 48 -45.7 14.1 60 27 24384 90 49 -49.0 0.0 | 112 49 -44.9 18.5 61 25 24994 85 56 -55.8 -4.9 | 105 53 -51.7 13.6 62 20 26330 80 47 -46.3 -8.2 | 104 43 -42.2 10.3 63 19 26822 80 45 -44.3 -7.8 | 105 42 -40.2 10.7 64 17 27432 95 46 -45.8 4.0 | 118 47 -41.7 22.5 65 13 29261 80 31 -30.5 -5.4 | 116 29 -26.4 13.1 66 12 29566 80 46 -45.3 -8.0 | 104 42 -41.2 10.5 67 11 30175 75 43 -41.5 -11.1 | 101 38 -37.4 7.4 68 10 30810 90 47 -47.0 0.0 | 113 47 -42.9 18.5 Wind Parameters Mean winds (0-6000m): 342.6 at 25.3 knts Storm direction: 12.6 at 19.0 knts Shear (0-3000m) pos: 3.5 neg: 5.1 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 127.7 deg Storm rel helicity (0-3000m) pos: 120.4 neg: -14.0 tot: 106.4 m^2/s^2 ave: 35.5 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 15.5 stream: 5.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.55 Bulk Shear: 62.49 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 20 5 190 14| 0.0 10.1 10.1| 44.3 -1.8 42.5 85.1 0.62| 16.2 10.0 1000 12 10 193 9| 6.7 5.0 11.7| 53.9 -8.8 45.1 45.1 0.51| 19.0 9.7 1500 12 12 193 7| 4.5 3.5 8.0| 58.5 -8.9 49.6 33.1 0.32| 17.3 5.6 2000 1 13 216 7| 3.4 5.5 8.8| 85.9 -8.9 77.0 38.5 0.42| 16.9 7.0 2500 352 15 242 7| 4.2 4.4 8.6|113.0 -8.9 104.1 41.6 0.46| 15.4 7.0 3000 347 17 259 8| 3.5 5.1 8.6|120.4 -14.0 106.4 35.5 0.38| 15.5 5.9 4000 340 22 280 12| 3.1 3.8 6.9|151.4 -14.5 136.8 34.2 0.39| 13.0 5.1 5000 340 24 289 13| 2.3 3.1 5.4|163.4 -26.2 137.3 27.5 0.36| 11.2 4.1 6000 343 25 296 13| 2.4 2.5 5.0|194.7 -26.2 168.6 28.1 0.40| 10.2 4.0 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251201.00.gif