UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 2 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 1020 3 7.2 5.8 91 1.4 6.5 330 2 278.8 279.7 278.7 294.2 5.67 1 1012 68 9.0 5.1 77 3.9 7.1 340 3 281.2 282.1 279.6 296.2 5.44 2 1010 85 9.2 5.1 75 4.1 7.1 342 3 281.5 282.5 279.8 296.6 5.45 3 1004 135 9.2 5.5 78 3.7 7.3 350 4 282.0 283.0 280.3 297.6 5.64 4 1000 168 9.4 5.1 74 4.3 7.2 355 4 282.5 283.5 280.4 297.8 5.51 5 989 260 8.8 4.7 75 4.1 6.8 9 4 282.8 283.8 280.4 297.9 5.41 6 983 310 9.4 4.4 71 5.0 6.9 16 4 283.9 284.9 280.8 298.8 5.33 7 975 378 9.0 4.2 72 4.8 6.6 27 4 284.2 285.1 280.9 299.0 5.30 8 967 446 9.8 2.8 62 7.0 6.3 39 5 285.7 286.5 281.0 299.3 4.84 9 960 507 12.0 2.0 50 10.0 7.1 48 5 288.5 289.3 282.0 301.7 4.60 10 956 542 12.6 1.6 47 11.0 7.2 54 6 289.5 290.2 282.3 302.4 4.49 11 949 604 12.8 0.8 44 12.0 6.9 64 6 290.3 291.0 282.4 302.6 4.27 12 948 613 12.8 0.8 44 12.0 6.9 64 6 290.4 291.1 282.5 302.7 4.27 13 925 819 13.4 -0.6 38 14.0 6.6 40 5 293.0 293.7 283.2 304.6 3.95 14 924 828 13.4 -0.6 38 14.0 6.6 41 5 293.1 293.8 283.3 304.7 3.96 15 906 993 12.2 1.2 47 11.0 6.7 36 4 293.5 294.3 284.2 307.0 4.60 16 895 1096 11.6 -2.4 38 14.0 5.1 11 3 293.9 294.6 283.2 304.5 3.58 17 883 1208 10.8 0.8 50 10.0 5.8 343 2 294.2 295.1 284.4 307.7 4.59 18 880 1237 10.6 0.6 50 10.0 5.6 339 2 294.3 295.1 284.4 307.6 4.54 19 863 1399 9.6 -0.4 50 10.0 4.8 325 6 294.9 295.7 284.4 307.6 4.30 20 858 1447 9.4 -1.6 46 11.0 4.2 321 6 295.2 295.9 284.1 306.9 3.96 21 851 1515 9.8 -6.2 32 16.0 2.9 316 8 296.3 296.8 283.3 304.8 2.82 22 850 1525 9.8 -6.2 32 16.0 2.9 315 8 296.4 296.9 283.4 304.9 2.83 23 845 1574 10.0 -7.0 29 17.0 2.7 324 8 297.1 297.6 283.5 305.2 2.67 24 821 1813 9.4 -11.6 21 21.0 1.2 7 8 298.9 299.3 283.4 304.9 1.91 25 812 1904 9.2 -16.8 14 26.0 0.1 11 9 299.7 299.9 282.9 303.7 1.26 26 809 1935 9.6 -24.4 7 34.0 -0.6 12 9 300.4 300.5 282.4 302.6 0.65 27 796 2069 10.0 -36.0 2 46.0 -1.2 14 10 302.2 302.3 282.6 303.0 0.22 28 784 2195 9.6 -38.4 2 48.0 -1.6 13 12 303.1 303.2 282.9 303.8 0.18 29 778 2259 9.4 -21.6 9 31.0 -0.6 11 13 303.6 303.7 284.0 306.5 0.87 30 775 2291 9.4 -8.6 27 18.0 1.7 10 14 303.9 304.4 286.0 312.0 2.57 31 758 2475 8.6 -2.4 46 11.0 3.2 7 17 305.0 305.8 288.1 318.0 4.23 32 747 2595 7.8 -3.2 46 11.0 2.5 15 19 305.4 306.1 288.1 317.9 4.04 33 700 3127 4.0 -4.0 56 8.0 0.2 10 22 306.9 307.7 288.6 319.5 4.06 34 688 3267 3.0 -5.0 56 8.0 -0.7 13 24 307.3 308.0 288.5 319.2 3.83 35 683 3326 2.6 -6.4 51 9.0 -1.4 14 25 307.5 308.2 288.2 318.4 3.47 36 672 3457 1.4 -4.6 64 6.0 -1.4 13 25 307.6 308.4 288.8 320.2 4.04 37 665 3542 1.2 -7.8 51 9.0 -2.7 12 24 308.3 308.9 288.2 318.4 3.19 38 661 3590 0.8 -8.2 51 9.0 -3.0 11 23 308.4 309.0 288.2 318.2 3.12 39 640 3849 -0.7 -7.7 59 7.0 -3.7 4 20 309.5 310.2 288.8 320.1 3.35 40 611 4217 -3.5 -7.6 73 4.1 -5.3 352 17 310.5 311.1 289.2 321.6 3.53 41 607 4269 -3.7 -8.7 68 5.0 -5.8 351 16 310.8 311.4 289.1 321.2 3.26 42 577 4667 -7.3 -9.0 88 1.7 -8.0 331 17 311.1 311.8 289.3 321.8 3.35 43 521 5456 -11.7 -15.0 76 3.3 -12.8 305 28 315.0 315.5 289.5 322.6 2.29 44 500 5770 -14.3 -16.2 85 1.9 -14.9 315 27 315.6 316.0 289.6 322.7 2.16 45 444 6658 -21.5 -21.8 97 0.3 -21.6 296 29 317.4 317.7 289.5 322.5 1.50 46 410 7241 -25.3 -27.0 86 1.7 -25.6 286 31 319.8 320.0 289.8 323.4 1.02 47 402 7384 -26.1 -29.9 70 3.8 -26.8 291 30 320.6 320.8 289.8 323.4 0.79 48 400 7420 -26.3 -29.7 73 3.4 -26.9 295 30 320.8 321.0 289.9 323.7 0.81 49 365 8077 -30.7 -33.1 79 2.4 -31.0 301 34 323.4 323.6 290.5 325.8 0.64 50 324 8913 -37.7 -41.9 65 4.2 -38.1 304 41 325.0 325.1 290.6 326.1 0.30 51 304 9350 -41.1 -44.5 70 3.4 -41.3 298 44 326.2 326.2 290.9 327.1 0.24 52 300 9440 -41.7 -44.6 73 2.9 -41.9 295 45 326.6 326.6 291.0 327.5 0.24 53 294 9576 -42.9 -44.8 81 1.9 -43.0 294 46 326.8 326.8 291.0 327.7 0.24 54 281 9880 -44.7 -46.9 79 2.2 -44.8 291 47 328.4 328.5 291.5 329.2 0.20 55 270 10145 -46.9 -48.4 85 1.5 -47.0 289 48 329.0 329.1 291.6 329.7 0.18 56 266 10244 -47.7 -50.3 74 2.6 -47.8 288 48 329.3 329.3 291.7 329.8 0.14 57 250 10650 -51.3 -53.2 80 1.9 -51.4 285 50 329.8 329.8 291.7 330.2 0.11 58 200 12060 -62.7 -67.5 52 4.8 -62.7 285 61 333.5 333.5 292.7 333.6 0.02 59 191 12343 -64.6 -69.0 54 4.4 -64.6 290 64 334.9 334.9 293.0 335.0 0.02 60 175 12874 -68.1 -71.8 59 3.7 -68.1 285 55 337.6 337.6 293.7 337.6 0.01 61 150 13810 -64.1 -81.1 8 17.0 -64.2 315 40 359.7 359.7 298.7 359.7 0.00 62 100 16280 -63.7 -85.7 3 22.0 -63.9 320 14 404.7 404.7 305.8 404.7 0.00 63 95 16592 -64.9 -85.9 4 21.0 -65.1 309 13 408.3 408.3 306.3 408.3 0.00 64 92 16788 -63.7 -85.7 3 22.0 -63.9 296 12 414.4 414.4 307.0 414.4 0.00 65 84 17342 -64.7 -86.7 3 22.0 -64.9 328 25 423.3 423.3 308.1 423.3 0.00 66 74 18118 -62.1 -87.1 2 25.0 -62.4 349 20 444.4 444.4 310.3 444.4 0.00 67 70 18460 -62.9 -86.9 3 24.0 -63.2 340 6 449.8 449.8 310.8 449.8 0.00 68 67 18731 -63.1 -88.1 2 25.0 -63.4 348 7 455.1 455.1 311.3 455.1 0.00 69 63 19112 -62.5 -87.5 2 25.0 -62.9 358 12 464.5 464.5 312.2 464.5 0.00 70 56 19850 -57.7 -86.7 1 29.0 -58.4 29 22 491.3 491.3 314.3 491.3 0.00 71 54 20081 -58.1 -86.1 2 28.0 -58.7 48 23 495.5 495.5 314.7 495.6 0.00 72 50 20570 -55.7 -85.7 1 30.0 -56.6 40 20 512.2 512.2 315.8 512.2 0.01 73 46 21097 -58.1 -87.1 1 29.0 -58.9 51 24 518.8 518.8 316.2 518.8 0.00 74 45 21236 -56.5 -86.5 1 30.0 -57.5 59 22 525.9 525.9 316.6 526.0 0.00 75 41 21826 -56.3 -86.3 1 30.0 -57.3 77 18 540.6 540.6 317.6 540.7 0.01 76 37 22479 -55.3 -86.3 1 31.0 -56.6 69 19 559.3 559.3 318.6 559.3 0.01 77 33 23206 -56.5 -86.5 1 30.0 -57.8 45 32 574.7 574.7 319.4 574.8 0.01 78 32 23401 -55.5 -86.5 1 31.0 -56.9 45 34 582.5 582.5 319.8 582.5 0.01 79 30 23810 -57.9 -86.9 1 29.0 -59.0 45 37 586.8 586.8 320.0 586.8 0.01 80 29 24023 -58.9 -87.9 1 29.0 -60.0 43 38 589.8 589.8 320.2 589.8 0.01 81 29 24023 -58.7 -87.7 1 29.0 -59.8 43 38 590.3 590.3 320.2 590.3 0.01 82 26 24707 -60.5 -88.5 1 28.0 -61.5 43 42 603.9 603.9 320.8 604.0 0.01 83 23 25475 -58.5 -87.5 1 29.0 -59.9 49 37 631.4 631.4 322.0 631.4 0.01 84 22 25754 -60.3 -88.3 1 28.0 -61.4 51 34 634.1 634.1 322.0 634.1 0.01 85 20 26350 -59.1 -88.1 1 29.0 -60.6 55 43 655.3 655.3 322.9 655.3 0.01 86 19 26672 -59.3 -88.3 1 29.0 -60.8 49 38 664.3 664.3 323.2 664.4 0.01 87 17 27371 -58.5 -88.5 1 30.0 -60.3 64 42 688.4 688.4 324.0 688.4 0.01 88 15 28166 -54.3 -86.3 1 32.0 -57.2 62 51 727.4 727.4 325.3 727.5 0.02 89 14 28608 -54.9 -85.9 1 31.0 -57.8 60 57 739.9 739.9 325.7 740.0 0.02 90 13 29084 -53.1 -86.1 1 33.0 -56.7 62 44 762.0 762.0 326.3 762.1 0.02 91 13 29084 -49.7 -83.7 1 34.0 -54.5 62 44 773.7 773.7 326.6 774.0 0.03 92 12 29609 -49.1 -83.1 1 34.0 -54.4 68 43 793.8 793.8 327.1 794.1 0.03 93 11 30177 -52.1 -85.1 1 33.0 -56.5 85 38 802.9 802.9 327.3 803.1 0.03 94 10 30800 -47.9 -82.9 1 35.0 -54.2 70 32 840.7 840.8 328.2 841.1 0.04 95 10 30800 -47.9 -82.9 1 35.0 -54.2 70 32 840.7 840.8 328.2 841.1 0.04 96 9.7 31001 -48.3 -83.3 1 35.0 -54.6 70 32 846.6 846.6 328.3 847.0 0.04 97 8.1 32202 -43.1 -81.1 1 38.0 -52.7 70 31 912.0 912.0 329.7 912.7 0.07 98 7.0 33180 -45.7 -81.7 1 36.0 -54.5 70 30 940.1 940.2 330.2 940.9 0.07 99 6.8 33373 -46.7 -82.7 1 36.0 -55.2 943.8 943.8 330.2 944.5 0.06 100 6.3 33881 -45.3 -82.3 1 37.0 -54.8 970.6 970.6 330.7 971.4 0.07 TRP 175 12874 -68.1 -71.8 59 3.7 -68.1 285 55 337.6 337.6 293.7 337.6 0.01 WND 191 12343 -64.6 -69.0 54 4.4 -64.6 290 64 334.9 334.9 293.0 335.0 0.02 Sounding variables and indices 1000-500 mb thick: 5602.00 m Freezing level: 649.80 mb = 3728.05 m = 12230.98 ft Wetbulb zero: 811.67 mb = 1907.71 m = 6258.83 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 56.17 % Est. max temperature: 23.19 C = 73.75 F Sfc-Lift cond lev (LCL): 998.36 mb = 181.63 m = 595.89 ft T: 9.31 C 700-500 lapse rate: 6.92 C/km ThetaE index: 2.86 C Layer 880.0- 850.0 mb Conv cond level (CCL): 611.34 mb = 4212.89 m = 13821.65 ft Mean mixing ratio: 4.85 g/kg Conv temperature: 39.06 C = 102.30 F Cap Strength: 14.53 C Lifted Index: 14.45 C Risk: None Lifted Index @300 mb: 18.72 C Lifted Index @700 mb: 13.24 C Showalter Index: 11.29 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 8.10 C K Index: 9.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.74 J/kg Max Up Vert Vel: 10.84 m/s Conv Inhibition (B-): 71581.81 J/kg Cap Strength: 14.50 C Lift Cond Lev (LCL): 858.38 mb = 1443.50 m = 4735.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 12 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 1020 3 330 2 1.0 -1.7 | 207 10 4.6 9.2 1 1000 168 355 4 0.3 -4.0 | 210 8 4.0 7.0 2 984 305 15 4 -1.0 -3.9 | 200 8 2.6 7.1 3 948 610 65 6 -5.4 -2.5 | 168 9 -1.8 8.4 4 925 819 40 5 -3.2 -3.8 | 183 7 0.4 7.1 5 914 914 55 5 -4.1 -2.9 | 177 8 -0.5 8.1 6 882 1219 340 2 0.7 -1.9 | 205 10 4.3 9.1 7 850 1525 315 8 5.7 -5.7 | 240 11 9.3 5.3 8 819 1829 10 8 -1.4 -7.9 | 216 4 2.2 3.1 9 790 2134 15 11 -2.8 -10.6 | 247 1 0.8 0.3 10 761 2438 5 17 -1.5 -16.9 | 340 6 2.2 -6.0 11 733 2743 25 20 -8.5 -18.1 | 34 9 -4.8 -7.2 12 700 3127 10 22 -3.8 -21.7 | 1 11 -0.2 -10.7 13 680 3353 15 26 -6.7 -25.1 | 12 14 -3.1 -14.2 14 654 3658 10 22 -3.8 -21.7 | 1 11 -0.2 -10.7 15 605 4267 350 16 2.8 -15.8 | 307 8 6.4 -4.8 16 560 4877 320 18 11.6 -13.8 | 281 15 15.2 -2.8 17 539 5182 305 15 12.3 -8.6 | 262 16 15.9 2.4 18 518 5486 305 30 24.6 -17.2 | 282 29 28.2 -6.2 19 500 5770 315 27 19.1 -19.1 | 290 24 22.7 -8.1 20 478 6096 315 29 20.5 -20.5 | 292 26 24.1 -9.5 21 459 6401 300 28 24.2 -14.0 | 276 28 27.9 -3.0 22 406 7315 285 31 29.9 -8.0 | 265 34 33.6 2.9 23 400 7420 295 30 27.2 -12.7 | 273 31 30.8 -1.7 24 389 7620 300 31 26.8 -15.5 | 278 31 30.5 -4.5 25 313 9144 305 43 35.2 -24.7 | 289 41 38.9 -13.7 26 300 9440 295 45 40.8 -19.0 | 280 45 44.4 -8.1 27 250 10650 285 50 48.3 -12.9 | 272 52 51.9 -2.0 28 216 11582 275 56 55.8 -4.9 | 264 60 59.4 6.1 29 200 12060 285 61 58.9 -15.8 | 274 63 62.6 -4.8 30 191 12343 290 64 60.1 -21.9 | 280 65 63.8 -10.9 31 186 12497 290 64 60.1 -21.9 | 280 65 63.8 -10.9 32 175 12874 285 55 53.1 -14.2 | 273 57 56.8 -3.3 33 152 13716 295 42 38.1 -17.7 | 279 42 41.7 -6.8 34 150 13810 315 40 28.3 -28.3 | 298 36 31.9 -17.3 35 145 14021 315 42 29.7 -29.7 | 299 38 33.3 -18.7 36 138 14326 305 34 27.9 -19.5 | 285 33 31.5 -8.5 37 131 14630 325 34 19.5 -27.9 | 306 29 23.1 -16.9 38 125 14935 310 27 20.7 -17.4 | 285 25 24.3 -6.4 39 119 15240 315 31 21.9 -21.9 | 293 28 25.6 -11.0 40 113 15545 315 33 23.3 -23.3 | 295 30 27.0 -12.4 41 107 15850 335 20 8.5 -18.1 | 301 14 12.1 -7.2 42 100 16280 320 14 9.0 -10.7 | 269 13 12.6 0.2 43 97 16459 320 14 9.0 -10.7 | 269 13 12.6 0.2 44 92 16764 295 11 10.0 -4.6 | 245 15 13.6 6.3 45 84 17374 330 26 13.0 -22.5 | 305 20 16.6 -11.6 46 76 17983 340 20 6.8 -18.8 | 307 13 10.5 -7.8 47 72 18288 360 19 -0.0 -19.0 | 336 9 3.6 -8.0 48 70 18460 340 6 2.1 -5.6 | 227 8 5.7 5.3 49 69 18593 345 5 1.3 -4.8 | 219 8 4.9 6.1 50 62 19202 360 13 -0.0 -13.0 | 299 4 3.6 -2.0 51 56 19812 25 22 -9.3 -19.9 | 32 11 -5.7 -9.0 52 54 20117 50 23 -17.6 -14.8 | 75 14 -14.0 -3.8 53 50 20570 40 20 -12.9 -15.3 | 65 10 -9.2 -4.4 54 49 20726 30 29 -14.5 -25.1 | 38 18 -10.9 -14.2 55 44 21336 65 21 -19.0 -8.9 | 98 16 -15.4 2.1 56 40 21946 80 17 -16.7 -3.0 | 121 15 -13.1 8.0 57 38 22250 50 20 -15.3 -12.9 | 81 12 -11.7 -1.9 58 37 22555 75 19 -18.4 -4.9 | 112 16 -14.7 6.0 59 35 22860 60 18 -15.6 -9.0 | 99 12 -11.9 2.0 60 33 23165 45 32 -22.6 -22.6 | 58 22 -19.0 -11.7 61 30 23810 45 37 -26.2 -26.2 | 56 27 -22.5 -15.2 62 27 24384 40 41 -26.4 -31.4 | 48 31 -22.7 -20.4 63 25 24994 45 43 -30.4 -30.4 | 54 33 -26.8 -19.4 64 20 26213 55 28 -22.9 -16.1 | 75 20 -19.3 -5.1 65 20 26350 55 43 -35.2 -24.7 | 67 34 -31.6 -13.7 66 19 26518 45 37 -26.2 -26.2 | 56 27 -22.5 -15.2 67 17 27432 65 42 -38.1 -17.7 | 79 35 -34.4 -6.8 68 14 28651 60 57 -49.4 -28.5 | 69 49 -45.7 -17.5 69 13 28956 65 41 -37.2 -17.3 | 79 34 -33.5 -6.4 70 13 29261 60 47 -40.7 -23.5 | 71 39 -37.1 -12.5 71 12 29566 70 43 -40.4 -14.7 | 84 37 -36.8 -3.7 72 12 29870 60 44 -38.1 -22.0 | 72 36 -34.5 -11.0 73 11 30175 85 38 -37.9 -3.3 | 103 35 -34.2 7.6 74 10 30800 70 32 -30.1 -10.9 | 90 26 -26.4 0.0 75 7 33180 70 30 -28.2 -10.3 | 92 25 -24.6 0.7 Wind Parameters Mean winds (0-6000m): 348.4 at 15.4 knts Storm direction: 18.4 at 11.5 knts Shear (0-3000m) pos: 3.0 neg: 2.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 164.0 deg Storm rel helicity (0-3000m) pos: 40.6 neg: -21.8 tot: 18.8 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.10 Bulk Shear: 18.95 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 14 4 201 8| 5.4 0.0 5.4| 1.3 -8.1 -6.8 -13.7 -0.55| 6.8 -3.7 1000 37 5 187 7| 2.7 0.9 3.5| 8.6 -12.1 -3.4 -3.4 -0.15| 6.9 -1.0 1500 21 4 196 7| 1.8 3.2 5.0| 27.2 -12.1 15.2 10.1 0.25| 7.7 2.0 2000 9 5 206 6| 3.5 2.4 5.9| 29.0 -14.8 14.2 7.1 0.14| 8.1 1.2 2500 9 7 212 5| 2.8 2.7 5.5| 32.3 -14.8 17.4 7.0 0.22| 8.3 1.9 3000 13 9 217 3| 3.0 2.2 5.2| 40.6 -21.8 18.8 6.3 0.22| 8.4 1.8 4000 12 13 322 2| 2.2 2.1 4.3| 46.2 -44.6 1.6 0.4 0.06| 8.1 0.5 5000 3 14 311 4| 1.8 2.7 4.5| 46.2 -78.2 -32.0 -6.4 -0.09| 8.0 -0.7 6000 348 15 301 8| 1.9 3.3 5.2|114.1 -87.9 26.2 4.4 0.01| 8.7 0.1 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251202.12.gif