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 KOAK... Searching the city database file for: KOAK ... Date:1200Z 4 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 1023 3 5.4 1.5 76 3.9 3.7 170 2 276.7 277.4 275.7 288.1 4.16 1 1018 43 11.0 1.0 50 10.0 6.3 143 4 282.7 283.4 278.6 294.0 4.03 2 1016 59 12.2 0.2 44 12.0 6.6 132 5 284.1 284.7 279.0 294.9 3.81 3 1000 191 11.8 -0.2 44 12.0 6.2 45 13 285.0 285.6 279.4 295.7 3.76 4 993 250 11.6 -0.4 43 12.0 6.1 40 12 285.3 286.0 279.6 296.0 3.74 5 984 326 12.2 -1.8 38 14.0 5.8 32 11 286.7 287.3 279.7 296.4 3.40 6 969 454 11.8 -3.2 35 15.0 5.2 13 10 287.5 288.1 279.8 296.5 3.11 7 925 841 9.4 -4.6 37 14.0 3.4 15 21 288.9 289.4 280.2 297.5 2.93 8 912 958 8.6 -5.4 37 14.0 2.7 17 23 289.3 289.8 280.2 297.5 2.80 9 904 1031 9.8 -9.2 25 19.0 2.3 21 22 291.2 291.6 280.3 297.5 2.10 10 902 1049 10.0 -10.0 23 20.0 2.2 22 22 291.6 292.0 280.3 297.6 1.98 11 892 1142 10.0 -12.0 20 22.0 1.8 26 22 292.6 292.9 280.3 297.7 1.71 12 870 1349 8.6 -13.4 20 22.0 0.7 22 20 293.2 293.5 280.4 298.0 1.56 13 850 1541 9.0 -20.0 11 29.0 -0.2 10 19 295.6 295.7 280.7 298.5 0.92 14 844 1600 9.6 -24.4 7 34.0 -0.4 10 18 296.8 296.9 280.8 298.8 0.63 15 829 1748 9.4 -28.6 5 38.0 -0.9 10 17 298.1 298.2 281.1 299.6 0.44 16 792 2125 6.8 -26.2 7 33.0 -2.4 351 21 299.3 299.4 281.8 301.1 0.57 17 775 2302 5.8 -19.2 15 25.0 -2.3 358 21 300.0 300.2 282.8 303.5 1.08 18 763 2430 5.0 -11.0 30 16.0 -1.2 4 21 300.5 300.9 284.2 307.2 2.16 19 759 2473 4.8 -19.2 16 24.0 -2.9 5 21 300.8 301.0 283.1 304.3 1.10 20 753 2537 4.2 -7.8 41 12.0 -0.8 5 21 300.8 301.3 285.1 309.5 2.82 21 749 2581 4.0 -7.0 44 11.0 -0.7 5 21 301.0 301.6 285.4 310.3 3.02 22 744 2635 4.6 -5.4 48 10.0 0.1 5 20 302.3 302.9 286.3 312.8 3.43 23 700 3128 0.8 -7.2 55 8.0 -2.6 5 27 303.4 304.0 286.5 313.2 3.18 24 695 3185 0.2 -6.8 59 7.0 -2.8 7 28 303.3 303.9 286.6 313.5 3.30 25 682 3336 -0.7 -6.7 64 6.0 -3.3 11 30 304.0 304.6 286.9 314.4 3.39 26 676 3407 -0.9 -6.9 64 6.0 -3.4 13 31 304.5 305.1 287.1 314.9 3.37 27 673 3442 -0.9 -7.9 59 7.0 -3.8 14 32 304.9 305.5 286.9 314.6 3.13 28 666 3526 0.0 -21.0 19 21.0 -6.4 16 33 306.8 307.0 285.4 310.4 1.07 29 663 3562 0.0 -24.0 14 24.0 -6.8 17 33 307.2 307.4 285.3 310.0 0.83 30 662 3574 0.0 -20.0 21 20.0 -6.3 17 34 307.4 307.6 285.8 311.2 1.18 31 657 3635 0.0 -14.0 34 14.0 -5.1 19 35 308.0 308.4 286.9 314.4 1.97 32 650 3721 -0.7 -15.7 31 15.0 -6.0 19 35 308.2 308.5 286.6 313.8 1.73 33 645 3782 -0.5 -26.5 12 26.0 -7.5 18 35 309.1 309.2 285.8 311.4 0.68 34 636 3894 -1.5 -14.5 36 13.0 -6.2 16 35 309.2 309.6 287.2 315.5 1.95 35 624 4046 -2.1 -25.1 15 23.0 -8.5 14 36 310.2 310.3 286.4 312.9 0.80 36 619 4110 -2.5 -19.5 26 17.0 -7.9 13 36 310.4 310.7 287.0 314.8 1.32 37 612 4200 -2.7 -23.7 18 21.0 -8.7 11 36 311.2 311.4 286.9 314.3 0.92 38 593 4449 -4.1 -21.1 25 17.0 -9.2 10 35 312.4 312.6 287.6 316.4 1.20 39 585 4556 -3.7 -18.7 30 15.0 -8.6 10 34 314.1 314.4 288.5 319.1 1.49 40 579 4637 -3.7 -17.7 33 14.0 -8.4 9 37 315.0 315.3 288.9 320.5 1.64 41 573 4720 -3.7 -19.7 28 16.0 -8.9 8 41 316.0 316.2 288.9 320.7 1.40 42 541 5171 -6.9 -23.9 24 17.0 -11.7 7 54 317.4 317.6 289.0 320.9 1.02 43 510 5628 -10.5 -22.5 37 12.0 -13.9 9 61 318.4 318.7 289.6 322.6 1.23 44 500 5780 -11.5 -21.5 43 10.0 -14.4 10 64 319.0 319.3 289.9 323.7 1.37 45 491 5919 -11.9 -21.9 43 10.0 -14.8 12 64 320.2 320.5 290.2 324.8 1.35 46 477 6139 -12.9 -26.9 30 14.0 -16.4 15 65 321.6 321.8 290.2 324.7 0.89 47 427 6970 -20.1 -29.1 45 9.0 -22.0 18 60 322.8 322.9 290.5 325.6 0.81 48 404 7377 -22.9 -33.9 36 11.0 -24.8 16 64 324.3 324.4 290.6 326.3 0.54 49 400 7450 -23.5 -34.5 36 11.0 -25.3 15 65 324.4 324.5 290.6 326.3 0.51 50 367 8073 -29.3 -36.3 51 7.0 -30.3 14 65 324.8 324.9 290.7 326.5 0.47 51 360 8210 -30.3 -38.3 46 8.0 -31.3 13 66 325.3 325.3 290.7 326.7 0.39 52 322 8994 -36.7 -40.8 66 4.1 -37.1 11 68 327.0 327.0 291.2 328.2 0.34 53 320 9037 -37.3 -42.2 60 4.9 -37.7 10 68 326.7 326.8 291.1 327.8 0.29 54 300 9480 -41.1 -44.8 67 3.7 -41.3 5 70 327.4 327.5 291.2 328.3 0.24 55 294 9617 -42.3 -45.7 69 3.4 -42.5 5 71 327.6 327.7 291.3 328.5 0.22 56 275 10064 -46.5 -50.5 64 4.0 -46.7 5 76 327.9 327.9 291.3 328.4 0.14 57 250 10690 -51.5 -55.2 64 3.7 -51.6 5 82 329.5 329.5 291.7 329.8 0.09 58 200 12120 -53.9 -75.9 5 22.0 -54.2 15 81 347.4 347.4 296.1 347.4 0.01 59 195 12282 -54.4 -76.7 5 22.3 -54.7 20 85 349.2 349.2 296.4 349.2 0.01 60 150 13940 -59.5 -84.5 2 25.0 -59.7 25 66 367.6 367.6 300.1 367.6 0.00 61 101 16360 -68.3 -87.3 5 19.0 -68.4 30 48 394.6 394.6 304.5 394.6 0.00 62 100 16420 -68.1 -88.1 4 20.0 -68.2 30 49 396.2 396.2 304.7 396.2 0.00 63 96 16666 -67.3 -87.3 4 20.0 -67.4 30 49 402.4 402.4 305.5 402.4 0.00 64 88 17190 -69.5 -87.5 6 18.0 -69.6 35 47 408.1 408.1 306.3 408.1 0.00 65 70 18570 -66.1 -88.1 3 22.0 -66.3 50 26 443.0 443.0 310.2 443.0 0.00 66 61 19400 -67.5 -89.5 3 22.0 -67.7 62 32 457.6 457.6 311.5 457.7 0.00 67 59 19602 -65.7 -89.7 2 24.0 -66.0 62 33 466.1 466.1 312.3 466.1 0.00 68 50 20610 -64.1 -89.1 2 25.0 -64.4 45 33 492.4 492.4 314.4 492.4 0.00 69 43 21528 -65.3 -89.3 2 24.0 -65.7 58 26 511.2 511.2 315.7 511.2 0.00 70 39 22127 -61.1 -88.1 2 27.0 -61.7 47 20 536.3 536.3 317.3 536.3 0.00 71 34 22972 -63.7 -89.7 2 26.0 -64.2 64 26 550.9 550.9 318.2 550.9 0.00 72 30 23740 -62.7 -89.7 1 27.0 -63.4 80 19 573.7 573.7 319.3 573.7 0.00 73 27 24395 -59.5 -88.5 1 29.0 -60.6 56 28 600.3 600.3 320.6 600.3 0.01 74 23 25392 -62.3 -89.3 2 27.0 -63.2 40 28 620.2 620.2 321.5 620.2 0.01 75 20 26260 -60.1 -88.1 1 28.0 -61.4 40 31 652.2 652.2 322.7 652.3 0.01 76 19 26580 -59.7 -87.7 1 28.0 -61.1 37 31 663.1 663.1 323.2 663.2 0.01 77 15 28050 -61.7 -88.7 2 27.0 -63.1 55 31 702.8 702.8 324.5 702.9 0.01 78 14 28477 -61.7 -89.7 1 28.0 -63.1 62 33 716.8 716.8 325.0 716.9 0.01 79 13 28940 -57.9 -87.9 1 30.0 -60.2 70 35 745.3 745.3 325.8 745.4 0.01 80 11 29995 -57.3 -87.3 1 30.0 -60.1 63 42 784.0 784.0 326.8 784.1 0.02 81 10 30600 -55.1 -86.1 1 31.0 -58.7 55 32 813.9 813.9 327.6 814.1 0.02 82 9.7 30795 -53.1 -85.1 1 32.0 -57.5 55 31 828.5 828.5 327.9 828.8 0.03 83 8.4 31712 -55.9 -85.9 1 30.0 -59.7 53 25 852.3 852.4 328.4 852.6 0.03 84 8.0 32024 -53.3 -85.3 1 32.0 -58.2 52 23 874.7 874.7 328.9 875.0 0.03 85 7.7 32268 -54.7 -85.7 1 31.0 -59.2 51 22 878.6 878.7 329.0 879.0 0.03 86 7.3 32609 -53.9 -85.9 1 32.0 -58.9 51 20 895.4 895.4 329.3 895.8 0.03 87 7.2 32698 -51.5 -84.5 1 33.0 -57.5 50 19 908.8 908.8 329.6 909.2 0.04 88 7.0 32880 -51.7 -84.7 1 33.0 -57.7 50 18 915.3 915.4 329.7 915.8 0.04 89 6.7 33164 -51.9 -83.9 1 32.0 -57.9 43 17 926.0 926.1 329.9 926.6 0.05 90 6.3 33564 -49.9 -83.9 1 34.0 -57.1 33 15 951.0 951.0 330.4 951.6 0.06 91 6.0 33883 -50.5 -83.5 1 33.0 -57.6 25 13 961.8 961.8 330.5 962.4 0.06 92 5.8 34105 -48.1 -83.1 1 35.0 -56.5 19 12 981.6 981.7 330.9 982.4 0.07 93 5.5 34454 -49.3 -83.3 1 34.0 -57.3 11 10 991.3 991.4 331.1 992.1 0.07 94 5.0 35080 -48.1 -83.1 1 35.0 -57.1 355 7 1024.2 1024.2 331.5 1025.1 0.08 95 4.9 35214 -46.7 -82.7 1 36.0 -56.6 1036.5 1036.6 331.8 1037.5 0.09 TRP 101 16360 -68.3 -87.3 5 19.0 -68.4 30 48 394.6 394.6 304.5 394.6 0.00 WND 195 12282 -54.4 -76.7 5 22.3 -54.7 20 85 349.2 349.2 296.4 349.2 0.01 Sounding variables and indices 1000-500 mb thick: 5589.00 m Freezing level: 692.11 mb = 3219.03 m = 10561.00 ft Freezing level: 666.00 mb = 3526.00 m = 11568.12 ft Freezing level: 657.00 mb = 3634.90 m = 11925.37 ft Wetbulb zero: 854.88 mb = 1493.65 m = 4900.35 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 30.27 % Est. max temperature: 21.87 C = 71.37 F Sfc-Lift cond lev (LCL): 963.39 mb = 502.60 m = 1648.93 ft T: 11.50 C 700-500 lapse rate: 4.64 C/km ThetaE index: 2.94 C Layer 759.0- 753.0 mb Conv cond level (CCL): 508.20 mb = 5655.01 m = 18552.97 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 47.46 C = 117.43 F Cap Strength: 19.95 C Lifted Index: 20.18 C Risk: None Lifted Index @300 mb: 22.22 C Lifted Index @700 mb: 12.47 C Showalter Index: 18.54 C Risk: None Total Totals Index: 12.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: -8.50 C K Index: -7.50 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 5.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.42 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 60360.77 J/kg Cap Strength: 20.07 C Lift Cond Lev (LCL): 792.95 mb = 2114.81 m = 6938.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 40 at 23 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 1023 3 170 2 -0.3 2.0 | 217 24 14.7 19.6 1 1000 191 45 13 -9.2 -9.2 | 214 10 5.8 8.5 2 986 305 35 11 -6.3 -9.0 | 225 12 8.7 8.6 3 951 610 350 9 1.6 -8.9 | 242 19 16.6 8.8 4 925 841 15 21 -5.4 -20.3 | 285 10 9.6 -2.6 5 917 914 15 23 -6.0 -22.2 | 297 10 9.0 -4.6 6 884 1219 30 21 -10.5 -18.2 | 277 5 4.5 -0.5 7 850 1541 10 19 -3.3 -18.7 | 275 12 11.7 -1.1 8 821 1829 10 16 -2.8 -15.8 | 261 12 12.2 1.9 9 791 2134 350 21 3.6 -20.7 | 279 19 18.6 -3.0 10 762 2438 5 21 -1.8 -20.9 | 284 14 13.2 -3.3 11 734 2743 5 20 -1.7 -19.9 | 280 13 13.3 -2.3 12 700 3128 5 27 -2.4 -26.9 | 306 16 12.6 -9.2 13 655 3658 20 35 -12.0 -32.9 | 349 16 3.0 -15.2 14 606 4267 10 36 -6.3 -35.5 | 334 20 8.7 -17.8 15 583 4572 10 34 -5.9 -33.5 | 330 18 9.1 -15.8 16 561 4877 5 49 -4.3 -48.8 | 341 33 10.7 -31.2 17 500 5780 10 64 -11.1 -63.0 | 355 46 3.9 -45.4 18 479 6096 15 65 -16.8 -62.8 | 2 45 -1.8 -45.1 19 442 6706 20 57 -19.5 -53.6 | 7 36 -4.5 -35.9 20 400 7450 15 65 -16.8 -62.8 | 2 45 -1.8 -45.1 21 390 7620 15 64 -16.6 -61.8 | 2 44 -1.6 -44.2 22 315 9144 10 68 -11.8 -67.0 | 356 49 3.2 -49.3 23 300 9480 5 70 -6.1 -69.7 | 350 53 8.9 -52.1 24 250 10690 5 82 -7.1 -81.7 | 353 65 7.9 -64.0 25 228 11278 360 85 -0.0 -85.0 | 347 69 15.0 -67.3 26 200 12120 15 81 -21.0 -78.2 | 6 61 -6.0 -60.6 27 198 12192 10 72 -12.5 -70.9 | 357 53 2.5 -53.3 28 195 12282 20 85 -29.1 -79.9 | 13 64 -14.1 -62.2 29 188 12497 20 85 -29.1 -79.9 | 13 64 -14.1 -62.2 30 155 13716 20 57 -19.5 -53.6 | 7 36 -4.5 -35.9 31 150 13940 25 66 -27.9 -59.8 | 17 44 -12.9 -42.2 32 148 14021 20 67 -22.9 -63.0 | 10 46 -7.9 -45.3 33 121 15240 30 37 -18.5 -32.0 | 14 15 -3.5 -14.4 34 101 16360 30 48 -24.0 -41.6 | 21 26 -9.0 -23.9 35 100 16420 30 49 -24.5 -42.4 | 21 27 -9.5 -24.8 36 94 16764 30 49 -24.5 -42.4 | 21 27 -9.5 -24.8 37 81 17678 40 45 -28.9 -34.5 | 40 22 -13.9 -16.8 38 73 18288 45 25 -17.7 -17.7 | 89 3 -2.7 -0.0 39 70 18570 50 26 -19.9 -16.7 | 101 5 -4.9 0.9 40 63 19202 45 34 -24.0 -24.0 | 55 11 -9.0 -6.4 41 60 19507 70 31 -29.1 -10.6 | 117 16 -14.1 7.1 42 57 19812 45 36 -25.5 -25.5 | 53 13 -10.5 -7.8 43 54 20117 65 21 -19.0 -8.9 | 155 10 -4.0 8.8 44 52 20422 40 16 -10.3 -12.3 | 221 7 4.7 5.4 45 50 20610 45 33 -23.3 -23.3 | 56 10 -8.3 -5.7 46 47 21031 45 34 -24.0 -24.0 | 55 11 -9.0 -6.4 47 44 21336 55 28 -22.9 -16.1 | 101 8 -7.9 1.6 48 40 21946 65 23 -20.8 -9.7 | 144 10 -5.8 7.9 49 38 22250 35 18 -10.3 -14.7 | 238 6 4.7 2.9 50 36 22555 30 27 -13.5 -23.4 | 345 6 1.5 -5.7 51 35 22860 65 25 -22.7 -10.6 | 133 10 -7.7 7.1 52 31 23470 60 30 -26.0 -15.0 | 104 11 -11.0 2.7 53 30 23740 80 19 -18.7 -3.3 | 165 15 -3.7 14.4 54 28 24079 85 22 -21.9 -1.9 | 156 17 -6.9 15.7 55 27 24384 55 28 -22.9 -16.1 | 101 8 -7.9 1.6 56 26 24689 70 14 -13.2 -4.8 | 188 13 1.8 12.9 57 25 24994 40 11 -7.1 -8.4 | 221 12 7.9 9.2 58 23 25298 35 27 -15.5 -22.1 | 6 4 -0.5 -4.5 59 22 25603 50 29 -22.2 -18.6 | 82 7 -7.2 -1.0 60 20 26260 40 31 -19.9 -23.7 | 39 8 -4.9 -6.1 61 18 26822 35 31 -17.8 -25.4 | 20 8 -2.8 -7.7 62 17 27432 55 33 -27.0 -18.9 | 84 12 -12.0 -1.3 63 16 27737 75 26 -25.1 -6.7 | 137 15 -10.1 10.9 64 15 28042 55 31 -25.4 -17.8 | 89 10 -10.4 -0.1 65 13 28956 70 35 -32.9 -12.0 | 108 19 -17.9 5.7 66 12 29261 50 50 -38.3 -32.1 | 58 27 -23.3 -14.5 67 11 29870 65 44 -39.9 -18.6 | 88 25 -24.9 -0.9 68 10 30600 55 32 -26.2 -18.4 | 86 11 -11.2 -0.7 69 7 32880 50 18 -13.8 -11.6 | 191 6 1.2 6.1 70 5 35080 355 7 0.6 -7.0 | 236 19 15.6 10.7 Wind Parameters Mean winds (0-6000m): 10.4 at 30.9 knts Storm direction: 40.4 at 23.2 knts Shear (0-3000m) pos: 2.7 neg: 2.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 81.8 deg Storm rel helicity (0-3000m) pos: 118.6 neg: -52.7 tot: 65.9 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.38 Bulk Shear: 66.95 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 35 10 224 14| 0.0 12.0 12.0| 33.7 -37.3 -3.6 -7.3 0.12| 27.3 3.4 1000 19 13 243 12| 6.8 6.0 12.8| 80.0 -37.4 42.6 42.6 0.35| 23.6 8.3 1500 21 16 252 10| 4.5 3.3 7.8| 80.0 -41.2 38.9 25.9 0.25| 19.2 4.8 2000 17 16 257 10| 3.4 3.0 6.4| 90.6 -50.0 40.6 20.3 0.22| 16.4 3.6 2500 12 17 265 11| 3.3 2.4 5.7|102.3 -50.4 51.9 20.8 0.23| 14.7 3.4 3000 11 18 269 12| 2.7 2.6 5.3|118.6 -52.7 65.9 22.0 0.27| 13.2 3.5 4000 12 21 287 11| 3.3 2.3 5.5|170.9 -62.8 108.1 27.0 0.33| 12.0 4.0 5000 11 25 304 12| 2.6 3.5 6.1|210.1 -77.3 132.8 26.6 0.30| 11.8 3.5 6000 10 31 323 16| 3.5 2.9 6.5|344.3 -77.3 267.0 44.5 0.35| 11.3 3.9 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251204.12.gif