UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120701.upa.cvt Date: 0100Z 7 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0100Z 7 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 1021 3 8.8 6.6 86 2.2 7.7 130 2 280.3 281.3 279.8 296.7 5.99 1 1013 68 9.2 6.7 84 2.5 7.9 94 2 281.3 282.4 280.4 298.0 6.08 2 1000 176 8.6 6.9 89 1.7 7.7 35 1 281.8 282.8 280.8 298.9 6.24 3 994 226 8.0 6.6 91 1.4 7.3 53 1 281.6 282.7 280.7 298.6 6.15 4 987 284 9.8 6.2 78 3.6 7.9 73 1 284.0 285.1 281.7 300.8 6.03 5 985 301 11.0 6.3 73 4.7 8.5 79 1 285.4 286.4 282.3 302.4 6.08 6 978 361 11.8 6.8 71 5.0 9.1 71 2 286.8 287.9 283.2 304.6 6.34 7 972 412 11.8 6.8 71 5.0 9.1 62 3 287.3 288.4 283.5 305.2 6.38 8 970 430 12.6 6.6 67 6.0 9.3 59 3 288.3 289.4 283.8 306.1 6.31 9 963 490 12.4 6.4 67 6.0 9.2 49 5 288.6 289.7 284.0 306.4 6.26 10 951 596 13.4 5.4 58 8.0 9.1 32 7 290.7 291.7 284.4 307.6 5.92 11 944 658 13.8 4.8 55 9.0 9.0 26 9 291.7 292.7 284.6 308.2 5.71 12 934 748 13.2 4.2 54 9.0 8.5 17 12 292.0 293.0 284.5 308.0 5.54 13 925 829 13.6 1.6 44 12.0 7.5 10 15 293.2 294.0 284.1 306.8 4.64 14 914 930 14.2 -2.8 31 17.0 6.2 10 16 294.8 295.4 283.4 305.0 3.40 15 910 967 14.4 2.4 44 12.0 8.1 9 16 295.4 296.3 285.4 310.1 5.00 16 897 1088 14.8 -6.2 23 21.0 5.5 7 15 297.0 297.5 283.5 305.2 2.68 17 893 1126 15.0 -6.0 23 21.0 5.6 7 15 297.6 298.1 283.8 305.9 2.73 18 887 1183 15.2 -7.8 20 23.0 5.2 6 15 298.4 298.8 283.7 305.7 2.39 19 868 1366 13.8 -7.2 23 21.0 4.6 355 14 298.8 299.3 284.1 306.6 2.56 20 850 1542 12.2 -6.8 26 19.0 3.9 350 12 298.9 299.4 284.2 307.2 2.70 21 847 1572 12.0 -5.0 30 17.0 4.2 351 12 299.0 299.6 284.7 308.5 3.11 22 819 1852 10.6 -5.4 32 16.0 3.4 355 10 300.4 301.0 285.3 310.0 3.12 23 799 2058 9.4 -0.6 50 10.0 4.4 351 12 301.3 302.1 287.1 315.1 4.58 24 745 2635 6.4 -2.6 53 9.0 2.1 331 21 304.1 304.9 287.8 317.1 4.24 25 728 2825 6.2 -4.8 45 11.0 1.1 335 24 305.9 306.6 287.9 317.3 3.67 26 700 3145 4.0 -5.0 52 9.0 -0.2 330 25 306.9 307.6 288.3 318.6 3.76 27 689 3273 3.6 -6.4 48 10.0 -0.9 321 24 307.9 308.5 288.3 318.6 3.44 28 685 3321 3.8 -8.2 41 12.0 -1.4 318 24 308.6 309.2 288.1 318.1 3.01 29 662 3597 1.8 -8.2 47 10.0 -2.5 319 26 309.4 310.0 288.5 319.2 3.11 30 637 3905 -0.7 -10.7 47 10.0 -4.7 328 31 310.0 310.5 288.2 318.4 2.65 31 626 4044 -1.1 -15.1 34 14.0 -6.1 330 32 311.0 311.4 287.8 317.2 1.89 32 621 4108 -1.5 -15.5 34 14.0 -6.5 330 31 311.3 311.7 287.9 317.3 1.84 33 611 4237 -2.5 -17.5 31 15.0 -7.5 330 30 311.6 311.9 287.7 316.8 1.58 34 592 4486 -4.5 -16.5 39 12.0 -8.6 325 30 312.1 312.4 288.1 317.9 1.78 35 566 4838 -6.9 -25.9 20 19.0 -11.9 316 29 313.3 313.5 287.5 316.1 0.82 36 554 5005 -6.1 -36.1 7 30.0 -12.3 314 31 316.2 316.3 287.9 317.3 0.32 37 550 5062 -6.1 -33.1 10 27.0 -12.2 314 33 316.8 316.9 288.2 318.4 0.43 38 533 5306 -7.7 -35.7 9 28.0 -13.5 313 38 317.8 317.9 288.4 319.0 0.34 39 524 5439 -8.5 -27.5 20 19.0 -13.3 312 40 318.4 318.5 289.0 321.0 0.76 40 500 5800 -11.3 -33.3 14 22.0 -15.9 310 48 319.3 319.4 289.0 320.9 0.46 41 493 5908 -12.3 -36.3 12 24.0 -16.9 312 48 319.3 319.4 288.9 320.6 0.35 42 472 6239 -13.9 -41.9 7 28.0 -18.4 315 49 321.3 321.4 289.4 322.1 0.20 43 431 6921 -19.9 -36.9 21 17.0 -22.7 315 54 322.2 322.2 289.8 323.5 0.37 44 430 6938 -20.1 -36.1 23 16.0 -22.8 315 54 322.1 322.2 289.9 323.6 0.41 45 421 7094 -20.9 -43.9 11 23.0 -23.9 315 55 323.1 323.1 289.9 323.8 0.18 46 410 7289 -22.3 -48.3 8 26.0 -25.2 315 57 323.7 323.7 290.0 324.2 0.12 47 401 7452 -23.5 -49.5 7 26.0 -26.2 315 58 324.2 324.2 290.2 324.6 0.10 48 400 7470 -23.7 -49.7 7 26.0 -26.3 315 58 324.2 324.2 290.2 324.6 0.10 49 386 7730 -25.9 -48.9 10 23.0 -28.2 315 60 324.6 324.6 290.3 325.1 0.12 50 355 8330 -31.3 -40.3 41 9.0 -32.3 312 63 325.2 325.3 290.7 326.4 0.32 51 337 8697 -34.5 -42.5 44 8.0 -35.3 309 62 325.7 325.8 290.8 326.7 0.27 52 333 8780 -35.1 -46.1 32 11.0 -36.0 308 62 326.0 326.1 290.8 326.7 0.18 53 331 8822 -35.3 -43.3 44 8.0 -36.0 308 61 326.3 326.4 290.9 327.3 0.25 54 318 9100 -37.5 -45.5 43 8.0 -38.1 305 60 327.0 327.1 291.1 327.8 0.21 55 300 9500 -40.9 -47.9 47 7.0 -41.3 305 63 327.7 327.8 291.2 328.4 0.17 56 250 10710 -50.3 -59.3 34 9.0 -50.5 305 74 331.3 331.3 292.1 331.5 0.05 57 242 10922 -51.5 -60.9 31 9.4 -51.7 305 76 332.6 332.6 292.4 332.8 0.04 58 200 12140 -58.3 -70.3 20 12.0 -58.5 300 66 340.4 340.4 294.4 340.5 0.01 59 184 12661 -62.5 -69.5 38 7.0 -62.6 300 66 341.8 341.8 294.8 341.9 0.02 60 150 13920 -63.7 -84.7 4 21.0 -63.8 290 62 360.3 360.3 298.8 360.4 0.00 61 100 16380 -68.1 -87.1 5 19.0 -68.2 285 48 396.2 396.2 304.7 396.2 0.00 TRP 184 12661 -62.5 -69.5 38 7.0 -62.6 300 66 341.8 341.8 294.8 341.9 0.02 WND 242 10922 -51.5 -60.9 31 9.4 -51.7 305 76 332.6 332.6 292.4 332.8 0.04 Sounding variables and indices 1000-500 mb thick: 5624.00 m Freezing level: 644.00 mb = 3818.67 m = 12528.29 ft Wetbulb zero: 703.55 mb = 3103.68 m = 10182.56 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 39.14 % Est. max temperature: 27.37 C = 81.27 F Sfc-Lift cond lev (LCL): 987.35 mb = 281.35 m = 923.06 ft T: 9.71 C 700-500 lapse rate: 5.76 C/km ThetaE index: 4.93 C Layer 897.0- 893.0 mb Conv cond level (CCL): 642.47 mb = 3836.54 m = 12586.92 ft Mean mixing ratio: 5.91 g/kg Conv temperature: 38.53 C = 101.36 F Cap Strength: 14.98 C Lifted Index: 14.99 C Risk: None Lifted Index @300 mb: 17.03 C Lifted Index @700 mb: 11.28 C Showalter Index: 12.82 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 4.50 C K Index: 7.70 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.11 J/kg Max Up Vert Vel: 10.78 m/s Conv Inhibition (B-): 12710.08 J/kg Cap Strength: 14.99 C Lift Cond Lev (LCL): 887.43 mb = 1179.07 m = 3868.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 at 17 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 1021 3 130 2 -1.5 1.3 | 172 19 -2.6 18.5 1 1000 176 35 1 -0.6 -0.8 | 174 16 -1.6 16.4 2 985 305 80 1 -1.0 -0.2 | 173 17 -2.0 17.0 3 950 610 30 7 -3.5 -6.1 | 158 12 -4.6 11.1 4 925 829 10 15 -2.6 -14.8 | 124 4 -3.7 2.4 5 916 914 10 16 -2.8 -15.8 | 111 4 -3.8 1.5 6 883 1219 5 15 -1.3 -14.9 | 134 3 -2.4 2.3 7 852 1524 345 12 3.1 -11.6 | 200 6 2.0 5.6 8 850 1542 350 12 2.1 -11.8 | 191 5 1.0 5.4 9 821 1829 355 10 0.9 -10.0 | 179 7 -0.2 7.2 10 791 2134 350 13 2.3 -12.8 | 195 5 1.2 4.4 11 763 2438 325 18 10.3 -14.7 | 255 10 9.3 2.5 12 735 2743 335 23 9.7 -20.8 | 293 9 8.7 -3.6 13 708 3048 335 25 10.6 -22.7 | 300 11 9.5 -5.4 14 700 3145 330 25 12.5 -21.7 | 291 12 11.4 -4.4 15 682 3353 315 24 17.0 -17.0 | 269 16 15.9 0.2 16 656 3658 320 26 16.7 -19.9 | 280 16 15.7 -2.7 17 631 3962 330 32 16.0 -27.7 | 305 18 14.9 -10.5 18 607 4267 330 30 15.0 -26.0 | 302 16 13.9 -8.8 19 562 4877 315 29 20.5 -20.5 | 280 20 19.4 -3.3 20 500 5800 310 48 36.8 -30.9 | 291 38 35.7 -13.6 21 481 6096 315 48 33.9 -33.9 | 297 37 32.9 -16.7 22 400 7470 315 58 41.0 -41.0 | 301 47 40.0 -23.8 23 392 7620 315 58 41.0 -41.0 | 301 47 40.0 -23.8 24 375 7925 315 65 46.0 -46.0 | 303 53 44.9 -28.8 25 316 9144 305 60 49.1 -34.4 | 290 51 48.1 -17.2 26 300 9500 305 63 51.6 -36.1 | 291 54 50.5 -18.9 27 250 10710 305 74 60.6 -42.4 | 293 65 59.6 -25.2 28 242 10922 305 76 62.3 -43.6 | 293 67 61.2 -26.4 29 240 10973 305 76 62.3 -43.6 | 293 67 61.2 -26.4 30 200 12140 300 66 57.2 -33.0 | 286 58 56.1 -15.8 31 189 12497 305 65 53.2 -37.3 | 291 56 52.2 -20.1 32 184 12661 300 66 57.2 -33.0 | 286 58 56.1 -15.8 33 150 13920 290 62 58.3 -21.2 | 274 57 57.2 -4.0 34 121 15240 270 66 66.0 -0.0 | 255 67 64.9 17.2 35 104 16154 290 45 42.3 -15.4 | 267 41 41.2 1.8 36 100 16380 285 48 46.4 -12.4 | 264 46 45.3 4.8 37 93 16764 285 48 46.4 -12.4 | 264 46 45.3 4.8 Wind Parameters Mean winds (0-6000m): 326.5 at 23.0 knts Storm direction: 356.5 at 17.2 knts Shear (0-3000m) pos: 1.1 neg: 3.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 126.9 deg Storm rel helicity (0-3000m) pos: 36.3 neg: -32.5 tot: 3.8 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 71.87 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 64 2 170 17| 0.0 5.2 5.2| 2.8 -15.5 -12.7 -25.4 -0.41| 7.5 -3.1 1000 19 7 163 11| 0.0 8.7 8.7| 3.0 -29.3 -26.2 -26.2 -0.45| 10.4 -4.7 1500 10 9 162 9| 0.0 4.8 4.8| 8.0 -29.3 -21.2 -14.2 -0.15| 9.1 -1.3 2000 5 10 166 8| 0.3 3.6 3.9| 9.2 -32.5 -23.3 -11.7 -0.17| 8.0 -1.3 2500 357 11 176 6| 0.3 4.5 4.8| 21.5 -32.5 -11.0 -4.4 0.06| 8.5 0.5 3000 350 13 195 5| 1.1 3.8 4.8| 36.3 -32.5 3.8 1.3 0.18| 8.2 1.5 4000 339 16 247 5| 2.0 3.1 5.0| 79.6 -55.1 24.5 6.1 0.18| 8.5 1.5 5000 334 19 269 7| 1.6 2.8 4.4| 84.5 -91.2 -6.6 -1.3 0.07| 8.0 0.5 6000 326 23 280 12| 1.8 3.2 5.0|141.7 -91.2 50.6 8.4 0.12| 8.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251207.01.gif