UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 9 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 1025 3 12.6 8.5 76 4.1 10.3 235 4 283.7 284.9 282.4 302.6 6.80 1 1017 69 11.4 7.3 76 4.1 9.2 214 4 283.2 284.3 281.6 300.6 6.31 2 1005 170 10.6 7.1 79 3.5 8.8 183 4 283.3 284.4 281.7 300.8 6.30 3 1000 212 10.8 6.5 75 4.3 8.5 170 4 284.0 285.0 281.7 300.8 6.07 4 989 304 11.0 6.1 72 4.9 8.4 115 5 285.1 286.1 282.1 301.7 5.97 5 974 432 10.2 6.0 75 4.2 8.0 71 8 285.5 286.5 282.3 302.4 6.02 6 962 535 11.6 3.6 58 8.0 7.5 35 10 287.9 288.8 282.4 302.6 5.15 7 956 588 13.4 1.4 44 12.0 7.5 17 11 290.3 291.0 282.6 303.0 4.42 8 950 641 16.4 -1.6 29 18.0 7.8 8 11 293.8 294.5 283.1 304.4 3.58 9 945 686 16.8 -3.2 25 20.0 7.4 5 12 294.7 295.3 283.1 304.2 3.19 10 936 767 17.0 -4.0 23 21.0 7.2 1 12 295.7 296.2 283.3 304.8 3.03 11 933 795 16.8 -1.2 29 18.0 8.0 359 12 295.8 296.4 284.1 306.9 3.75 12 925 868 17.0 -2.0 27 19.0 7.8 355 13 296.7 297.3 284.3 307.4 3.56 13 898 1120 16.8 -7.2 19 24.0 6.1 342 12 299.0 299.5 284.0 306.6 2.48 14 886 1234 16.2 -5.8 22 22.0 6.1 335 12 299.5 300.1 284.6 308.1 2.79 15 874 1350 15.6 -10.4 16 26.0 4.7 333 13 300.1 300.5 283.9 306.3 1.98 16 872 1369 15.4 -8.6 18 24.0 5.0 333 14 300.1 300.5 284.2 307.2 2.29 17 850 1585 14.2 -10.8 17 25.0 3.9 330 16 301.0 301.4 284.2 307.2 1.97 18 849 1595 14.2 -10.8 17 25.0 3.9 330 16 301.1 301.5 284.3 307.3 1.97 19 845 1635 14.2 -20.8 7 35.0 2.3 332 16 301.5 301.7 283.1 304.3 0.86 20 837 1715 14.0 -22.0 7 36.0 2.0 335 15 302.1 302.3 283.3 304.7 0.78 21 828 1806 13.6 -17.4 10 31.0 2.3 339 14 302.7 302.9 284.0 306.5 1.18 22 822 1867 13.0 -11.0 18 24.0 3.1 337 14 302.6 303.0 284.9 309.0 2.01 23 780 2305 9.4 -10.6 23 20.0 1.2 320 14 303.4 303.8 285.4 310.2 2.18 24 776 2347 9.0 -5.0 37 14.0 2.5 322 14 303.4 304.0 286.7 313.8 3.39 25 770 2412 8.4 -3.6 43 12.0 2.7 324 15 303.4 304.1 287.1 315.1 3.80 26 750 2628 7.0 -9.0 31 16.0 0.3 319 18 304.2 304.7 286.1 312.2 2.58 27 746 2672 6.8 -5.2 42 12.0 1.3 318 19 304.4 305.1 287.1 315.2 3.48 28 740 2739 6.2 -3.8 49 10.0 1.5 315 20 304.5 305.2 287.6 316.5 3.90 29 731 2839 5.6 -4.4 49 10.0 1.0 314 20 304.9 305.6 287.6 316.5 3.77 30 711 3066 5.4 -11.6 28 17.0 -1.4 311 19 307.1 307.5 286.8 314.1 2.21 31 708 3100 5.2 -8.8 36 14.0 -0.7 311 18 307.2 307.8 287.4 316.0 2.77 32 706 3123 5.6 -13.4 24 19.0 -1.7 311 18 307.9 308.3 286.8 314.1 1.92 33 700 3193 5.4 -13.6 24 19.0 -1.9 310 18 308.5 308.8 286.9 314.6 1.91 34 687 3346 5.2 -18.8 16 24.0 -3.1 305 15 309.9 310.1 286.8 314.1 1.26 35 680 3429 6.0 -35.0 3 41.0 -4.2 307 15 311.7 311.8 286.3 312.7 0.29 36 678 3454 6.0 -33.0 4 39.0 -4.1 308 15 312.0 312.0 286.5 313.2 0.35 37 637 3959 1.4 -16.6 25 18.0 -5.0 334 11 312.3 312.7 288.0 317.7 1.64 38 628 4073 0.8 -24.2 13 25.0 -6.7 336 12 312.9 313.1 287.3 315.9 0.86 39 594 4517 -3.3 -19.3 28 16.0 -8.5 333 14 313.2 313.5 288.1 317.9 1.40 40 580 4705 -4.5 -19.5 30 15.0 -9.3 330 17 313.9 314.2 288.3 318.6 1.41 41 575 4773 -4.9 -22.9 23 18.0 -10.1 330 18 314.2 314.5 288.1 317.8 1.05 42 572 4814 -4.5 -28.5 13 24.0 -10.6 330 19 315.2 315.3 287.9 317.4 0.64 43 531 5396 -7.7 -40.7 5 33.0 -13.7 320 16 318.1 318.2 288.4 318.9 0.21 44 500 5860 -11.3 -44.3 5 33.0 -16.5 300 21 319.3 319.3 288.7 319.8 0.15 45 400 7520 -25.5 -50.5 8 25.0 -27.8 325 22 321.8 321.9 289.4 322.2 0.09 46 394 7630 -26.5 -51.5 8 25.0 -28.7 325 21 321.9 322.0 289.5 322.3 0.08 47 391 7685 -26.9 -50.9 8 24.0 -29.0 324 20 322.1 322.1 289.5 322.5 0.09 48 390 7704 -26.9 -40.9 25 14.0 -28.6 324 20 322.4 322.4 289.8 323.4 0.27 49 382 7853 -27.9 -40.9 28 13.0 -29.5 321 17 323.0 323.0 290.0 324.0 0.28 50 379 7910 -27.7 -41.7 25 14.0 -29.3 320 16 323.9 324.0 290.2 324.9 0.26 51 370 8083 -28.5 -44.5 20 16.0 -30.2 337 16 325.1 325.2 290.5 325.9 0.20 52 364 8200 -29.3 -46.3 18 17.0 -30.9 350 16 325.6 325.6 290.6 326.2 0.16 53 345 8581 -32.9 -44.9 29 12.0 -34.0 351 14 325.7 325.8 290.7 326.5 0.20 54 332 8851 -35.3 -52.3 16 17.0 -36.4 348 13 326.0 326.0 290.7 326.4 0.09 55 323 9042 -37.1 -52.1 20 15.0 -38.0 346 12 326.1 326.1 290.7 326.5 0.10 56 300 9550 -40.7 -55.7 18 15.0 -41.4 20 21 328.0 328.0 291.2 328.3 0.07 57 250 10760 -50.5 -69.5 9 19.0 -50.8 15 34 331.0 331.0 292.0 331.0 0.01 58 200 12180 -61.9 -70.9 29 9.0 -62.0 345 25 334.7 334.7 293.0 334.8 0.01 59 155 13717 -72.7 -78.7 40 6.0 -72.7 345 37 341.6 341.6 294.7 341.7 0.01 60 150 13910 -72.3 -78.3 40 6.0 -72.3 335 26 345.5 345.6 295.6 345.6 0.01 61 100 16350 -66.9 -86.9 4 20.0 -67.0 305 29 398.5 398.5 305.0 398.5 0.00 62 90 16985 -68.9 -87.9 5 19.0 -69.0 307 28 406.7 406.7 306.1 406.7 0.00 63 87 17190 -66.9 -86.9 4 20.0 -67.0 310 27 414.7 414.7 307.1 414.7 0.00 64 74 18166 -68.5 -88.5 4 20.0 -68.7 294 18 430.9 430.9 308.9 430.9 0.00 65 70 18500 -67.9 -88.9 3 21.0 -68.1 305 23 439.1 439.1 309.8 439.1 0.00 66 60 19428 -66.7 -88.7 3 22.0 -66.9 330 22 461.6 461.6 311.9 461.6 0.00 67 53 20175 -68.1 -90.1 3 22.0 -68.3 342 20 475.0 475.0 313.1 475.0 0.00 68 51 20408 -63.1 -89.1 2 26.0 -63.5 331 18 492.0 492.0 314.4 492.0 0.00 69 50 20530 -63.3 -88.3 2 25.0 -63.7 15 19 494.3 494.3 314.5 494.3 0.00 70 43 21453 -64.9 -88.9 2 24.0 -65.3 45 24 512.2 512.2 315.8 512.2 0.00 71 41 21745 -62.7 -88.7 2 26.0 -63.2 54 20 524.7 524.7 316.6 524.7 0.00 72 39 22052 -63.7 -88.7 2 25.0 -64.1 53 17 529.7 529.7 316.9 529.7 0.00 73 36 22547 -60.1 -88.1 1 28.0 -60.9 45 15 551.3 551.3 318.2 551.3 0.00 74 33 23088 -61.3 -88.3 2 27.0 -62.0 65 25 562.0 562.0 318.8 562.0 0.00 75 30 23680 -60.9 -87.9 2 27.0 -61.7 75 29 578.6 578.6 319.6 578.7 0.01 76 28 24107 -62.5 -88.5 2 26.0 -63.2 78 27 585.7 585.7 319.9 585.7 0.01 77 27 24333 -60.7 -88.7 1 28.0 -61.6 80 26 596.9 596.9 320.5 596.9 0.01 78 25 24811 -61.5 -88.5 2 27.0 -62.4 61 27 607.9 607.9 321.0 607.9 0.01 79 23 25329 -60.9 -88.9 1 28.0 -62.0 66 31 624.3 624.3 321.7 624.3 0.01 80 22 25607 -57.5 -87.5 1 30.0 -59.1 74 23 642.4 642.4 322.4 642.5 0.01 81 21 25901 -57.3 -86.3 1 29.0 -59.0 55 29 651.6 651.6 322.7 651.7 0.01 82 20 26210 -56.9 -86.9 1 30.0 -58.7 85 21 662.0 662.0 323.2 662.1 0.01 83 19 26536 -55.9 -85.9 1 30.0 -58.0 89 24 674.9 674.9 323.6 675.0 0.01 84 18 26879 -56.9 -85.9 1 29.0 -58.9 73 19 682.3 682.3 323.9 682.4 0.01 85 18 26879 -54.5 -85.5 1 31.0 -57.0 73 19 689.8 689.8 324.1 689.9 0.01 86 17 27246 -53.3 -84.3 1 31.0 -56.2 85 20 705.0 705.1 324.6 705.2 0.02 87 14 28486 -57.3 -86.3 1 29.0 -59.6 81 20 731.7 731.8 325.4 731.9 0.02 88 11 30027 -52.9 -83.9 1 31.0 -57.0 45 19 800.0 800.0 327.3 800.3 0.03 89 10 30640 -54.1 -85.1 1 31.0 -58.0 270 3 817.6 817.6 327.7 817.9 0.03 90 8.7 31530 -53.9 -84.9 1 31.0 -58.3 315 4 851.6 851.6 328.4 851.9 0.03 91 8.4 31753 -54.9 -84.9 1 30.0 -59.0 326 4 856.3 856.3 328.5 856.6 0.03 92 7.9 32146 -52.7 -84.7 1 32.0 -57.9 346 5 880.2 880.2 329.0 880.6 0.04 93 7.1 32829 -54.9 -84.9 1 30.0 -59.5 20 6 898.5 898.5 329.4 898.9 0.04 94 7.0 32920 -53.9 -84.9 1 31.0 -59.0 25 6 906.2 906.3 329.5 906.7 0.04 95 6.7 33202 -52.3 -84.3 1 32.0 -58.2 924.4 924.4 329.9 924.9 0.05 96 6.2 33705 -51.7 -83.7 1 32.0 -58.1 947.7 947.7 330.3 948.3 0.06 97 6.1 33810 -51.1 -84.1 1 33.0 -57.8 954.7 954.7 330.4 955.2 0.05 TRP 155 13717 -72.7 -78.7 40 6.0 -72.7 345 37 341.6 341.6 294.7 341.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 621.37 mb = 4159.97 m = 13648.02 ft Wetbulb zero: 722.83 mb = 2930.64 m = 9614.85 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 24.88 % Est. max temperature: 29.02 C = 84.23 F Sfc-Lift cond lev (LCL): 963.54 mb = 521.74 m = 1711.73 ft T: 11.42 C 700-500 lapse rate: 6.26 C/km ThetaE index: 2.96 C Layer 845.0- 837.0 mb Conv cond level (CCL): 596.59 mb = 4482.04 m = 14704.66 ft Mean mixing ratio: 5.16 g/kg Conv temperature: 42.25 C = 108.05 F Cap Strength: 15.66 C Lifted Index: 15.69 C Risk: None Lifted Index @300 mb: 17.93 C Lifted Index @700 mb: 13.23 C Showalter Index: 12.82 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 0.50 C K Index: -4.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.39 J/kg Max Up Vert Vel: 11.35 m/s Conv Inhibition (B-): 65835.17 J/kg Cap Strength: 15.67 C Lift Cond Lev (LCL): 849.01 mb = 1594.79 m = 5232.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 at 11 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 1025 3 235 4 3.3 2.3 | 190 13 2.3 13.2 1 1000 212 170 4 -0.7 3.9 | 174 15 -1.7 14.9 2 989 305 115 5 -4.5 2.1 | 157 14 -5.5 13.0 3 954 610 10 11 -1.9 -10.8 | 92 3 -2.9 0.1 4 925 868 355 13 1.1 -13.0 | 355 2 0.2 -2.0 5 920 914 355 12 1.0 -12.0 | 356 1 0.1 -1.0 6 887 1219 335 12 5.1 -10.9 | 269 4 4.1 0.0 7 850 1585 330 16 8.0 -13.9 | 293 8 7.0 -2.9 8 825 1829 340 14 4.8 -13.2 | 300 4 3.8 -2.2 9 796 2134 315 12 8.5 -8.5 | 252 8 7.5 2.4 10 767 2438 325 15 8.6 -12.3 | 280 8 7.6 -1.4 11 739 2743 315 20 14.1 -14.1 | 284 14 13.2 -3.2 12 700 3193 310 18 13.8 -11.6 | 273 13 12.8 -0.7 13 686 3353 305 15 12.3 -8.6 | 258 12 11.3 2.3 14 660 3658 315 15 10.6 -10.6 | 268 10 9.6 0.3 15 635 3962 335 11 4.6 -10.0 | 256 4 3.7 0.9 16 611 4267 340 15 5.1 -14.1 | 307 5 4.2 -3.2 17 588 4572 330 14 7.0 -12.1 | 281 6 6.0 -1.2 18 566 4877 330 21 10.5 -18.2 | 307 12 9.5 -7.3 19 545 5182 310 17 13.0 -10.9 | 270 12 12.1 -0.0 20 524 5486 325 15 8.6 -12.3 | 280 8 7.6 -1.4 21 504 5791 320 21 13.5 -16.1 | 292 14 12.5 -5.2 22 500 5860 300 21 18.2 -10.5 | 269 17 17.2 0.4 23 484 6096 295 21 19.0 -8.9 | 264 18 18.1 2.0 24 428 7010 310 17 13.0 -10.9 | 270 12 12.1 -0.0 25 411 7315 325 18 10.3 -14.7 | 292 10 9.4 -3.8 26 400 7520 325 22 12.6 -18.0 | 301 14 11.6 -7.1 27 394 7620 325 21 12.0 -17.2 | 300 13 11.1 -6.3 28 378 7925 320 16 10.3 -12.3 | 278 9 9.3 -1.3 29 362 8230 355 16 1.4 -15.9 | 355 5 0.4 -5.0 30 318 9144 345 11 2.8 -10.6 | 261 2 1.9 0.3 31 304 9449 25 13 -5.5 -11.8 | 82 7 -6.5 -0.9 32 300 9550 20 21 -7.2 -19.7 | 43 12 -8.2 -8.8 33 291 9754 15 22 -5.7 -21.3 | 33 12 -6.7 -10.3 34 265 10363 40 20 -12.9 -15.3 | 72 15 -13.8 -4.4 35 250 10760 15 34 -8.8 -32.8 | 24 24 -9.8 -21.9 36 230 11278 15 40 -10.4 -38.6 | 22 30 -11.3 -27.7 37 220 11582 25 32 -13.5 -29.0 | 39 23 -14.5 -18.1 38 200 12180 345 25 6.5 -24.1 | 337 14 5.5 -13.2 39 190 12497 335 23 9.7 -20.8 | 319 13 8.8 -9.9 40 163 13411 350 47 8.2 -46.3 | 349 36 7.2 -35.4 41 155 13716 360 41 -0.0 -41.0 | 2 30 -1.0 -30.1 42 155 13717 345 37 9.6 -35.7 | 341 26 8.6 -24.8 43 150 13910 335 26 11.0 -23.6 | 322 16 10.0 -12.7 44 147 14021 335 25 10.6 -22.7 | 321 15 9.6 -11.7 45 140 14326 305 19 15.6 -10.9 | 270 15 14.6 0.0 46 133 14630 305 34 27.9 -19.5 | 288 28 26.9 -8.6 47 127 14935 280 30 29.5 -5.2 | 259 29 28.6 5.7 48 120 15240 295 41 37.2 -17.3 | 280 37 36.2 -6.4 49 114 15545 295 44 39.9 -18.6 | 281 40 38.9 -7.7 50 103 16154 315 41 29.0 -29.0 | 303 33 28.0 -18.1 51 100 16350 305 29 23.8 -16.6 | 284 23 22.8 -5.7 52 93 16764 305 29 23.8 -16.6 | 284 23 22.8 -5.7 53 80 17678 315 25 17.7 -17.7 | 292 18 16.7 -6.8 54 76 17983 300 18 15.6 -9.0 | 263 15 14.6 1.9 55 73 18288 290 18 16.9 -6.2 | 253 17 15.9 4.8 56 70 18500 305 23 18.8 -13.2 | 277 18 17.9 -2.3 57 62 19202 315 17 12.0 -12.0 | 276 11 11.1 -1.1 58 59 19507 335 24 10.1 -21.8 | 320 14 9.2 -10.8 59 54 20117 345 20 5.2 -19.3 | 333 9 4.2 -8.4 60 51 20422 330 18 9.0 -15.6 | 300 9 8.0 -4.7 61 50 20530 15 19 -4.9 -18.4 | 38 9 -5.9 -7.4 62 48 20726 15 16 -4.1 -15.5 | 48 7 -5.1 -4.5 63 44 21336 35 26 -14.9 -21.3 | 57 19 -15.9 -10.4 64 42 21641 60 22 -19.1 -11.0 | 90 20 -20.0 -0.1 65 40 21946 45 17 -12.0 -12.0 | 85 13 -13.0 -1.1 66 38 22250 65 18 -16.3 -7.6 | 101 18 -17.3 3.3 67 36 22555 45 15 -10.6 -10.6 | 92 12 -11.6 0.3 68 34 22860 65 22 -19.9 -9.3 | 94 21 -20.9 1.6 69 33 23165 65 26 -23.6 -11.0 | 90 25 -24.5 -0.1 70 30 23680 75 29 -28.0 -7.5 | 97 29 -29.0 3.4 71 27 24384 80 26 -25.6 -4.5 | 104 27 -26.6 6.4 72 26 24689 60 26 -22.5 -13.0 | 85 24 -23.5 -2.1 73 23 25298 65 32 -29.0 -13.5 | 85 30 -30.0 -2.6 74 22 25603 75 23 -22.2 -6.0 | 102 24 -23.2 5.0 75 21 25908 55 29 -23.8 -16.6 | 77 25 -24.7 -5.7 76 20 26210 85 21 -20.9 -1.8 | 113 24 -21.9 9.1 77 19 26518 90 24 -24.0 0.0 | 114 27 -25.0 10.9 78 18 26822 70 19 -17.9 -6.5 | 103 19 -18.8 4.4 79 17 27127 85 21 -20.9 -1.8 | 113 24 -21.9 9.1 80 17 27432 85 18 -17.9 -1.6 | 116 21 -18.9 9.3 81 14 28651 80 20 -19.7 -3.5 | 110 22 -20.7 7.4 82 12 29261 50 22 -16.9 -14.1 | 80 18 -17.8 -3.2 83 11 29870 80 23 -22.7 -4.0 | 106 25 -23.6 6.9 84 10 30640 270 3 3.0 -0.0 | 191 11 2.0 10.9 85 7 32920 25 6 -2.5 -5.4 | 147 7 -3.5 5.5 Wind Parameters Mean winds (0-6000m): 324.9 at 14.6 knts Storm direction: 354.9 at 11.0 knts Shear (0-3000m) pos: 2.2 neg: 3.7 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 12.6 neg: -72.2 tot: -59.6 m^2/s^2 ave: -19.9 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.29 Bulk Shear: 49.83 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 ------------------------------------------------------------------------------- 500 117 5 157 14| 13.2 0.0 13.2| 0.0 -53.6 -53.6 -107.2 -0.87| 18.3-15.9 1000 10 8 137 4| 6.6 5.4 12.0| 0.0 -59.3 -59.3 -59.3 -0.78| 15.2-11.9 1500 351 10 205 1| 4.4 5.3 9.7| 2.4 -60.3 -57.9 -38.6 -0.64| 12.2 -7.8 2000 344 11 263 2| 3.3 3.7 7.0| 4.2 -64.4 -60.3 -30.1 -0.58| 10.9 -6.4 2500 338 12 267 3| 2.6 3.6 6.3| 11.8 -67.1 -55.2 -22.1 -0.46| 10.1 -4.6 3000 332 13 274 5| 2.2 3.7 5.9| 12.6 -72.2 -59.6 -19.9 -0.43| 9.4 -4.1 4000 326 13 272 6| 2.4 2.4 4.8| 16.9 -85.6 -68.7 -17.2 -0.40| 8.6 -3.4 5000 328 14 277 6| 1.9 2.7 4.7| 26.0 -96.4 -70.5 -14.1 -0.31| 8.4 -2.6 6000 325 15 278 7| 1.8 3.0 4.8| 34.5-137.3-102.8 -17.1 -0.32| 8.9 -2.8 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251209.00.gif