UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 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 1019 3 12.0 6.0 67 6.0 8.9 60 8 283.6 284.6 281.1 299.6 5.75 1 1000 161 10.2 5.4 72 4.8 7.8 65 9 283.4 284.3 280.9 299.0 5.62 2 996 194 9.8 5.4 74 4.4 7.5 72 8 283.3 284.2 280.9 299.0 5.65 3 983 304 9.4 5.4 76 4.0 7.3 95 6 283.9 284.9 281.3 299.9 5.72 4 957 526 8.2 3.7 73 4.5 5.9 62 13 284.9 285.8 281.1 299.5 5.21 5 954 552 8.2 2.2 66 6.0 5.3 58 13 285.2 286.0 280.6 298.4 4.70 6 951 578 8.2 2.2 66 6.0 5.3 55 14 285.4 286.2 280.8 298.7 4.71 7 945 630 9.0 -1.0 49 10.0 4.4 34 13 286.8 287.4 280.3 297.5 3.76 8 944 639 9.6 -2.4 43 12.0 4.2 27 13 287.4 288.0 280.1 297.2 3.39 9 935 719 11.6 -1.4 40 13.0 5.5 327 7 290.3 290.9 281.8 301.0 3.69 10 925 809 12.4 -1.6 38 14.0 5.8 260 1 292.0 292.6 282.5 302.8 3.67 11 914 909 12.8 -4.2 30 17.0 5.1 232 5 293.4 293.9 282.4 302.5 3.06 12 903 1011 12.6 -6.4 26 19.0 4.4 222 6 294.2 294.7 282.2 302.1 2.62 13 870 1322 10.4 -6.6 30 17.0 3.1 215 5 295.1 295.6 282.7 303.1 2.68 14 863 1389 9.8 -3.2 40 13.0 3.8 222 4 295.1 295.8 283.6 305.5 3.49 15 858 1437 9.6 -1.4 46 11.0 4.4 227 3 295.4 296.1 284.3 307.3 4.02 16 853 1486 9.4 -2.6 43 12.0 3.8 232 2 295.7 296.4 284.1 306.7 3.70 17 851 1505 9.4 -4.6 37 14.0 3.1 234 1 295.9 296.5 283.6 305.5 3.19 18 850 1515 9.4 -4.6 37 14.0 3.1 235 1 296.0 296.6 283.6 305.6 3.19 19 837 1642 8.6 -2.4 46 11.0 3.5 39 2 296.5 297.1 284.5 307.9 3.83 20 815 1862 7.6 -7.4 34 15.0 1.3 97 5 297.7 298.2 283.7 305.8 2.69 21 811 1902 7.6 -6.4 36 14.0 1.5 94 5 298.1 298.6 284.1 306.9 2.92 22 804 1974 8.0 -22.0 10 30.0 -1.3 88 6 299.3 299.4 282.1 301.9 0.82 23 775 2276 8.6 -39.4 2 48.0 -2.2 42 8 303.1 303.1 282.8 303.6 0.16 24 733 2736 8.2 -35.8 3 44.0 -2.6 10 7 307.5 307.5 284.7 308.4 0.25 25 721 2872 7.6 -28.4 6 36.0 -2.6 12 10 308.3 308.4 285.3 310.0 0.51 26 715 2940 7.2 -11.8 24 19.0 -0.5 13 11 308.6 309.0 287.2 315.5 2.16 27 706 3044 6.4 -8.6 33 15.0 -0.1 14 13 308.8 309.3 288.0 317.8 2.83 28 700 3114 6.2 -9.8 31 16.0 -0.6 15 15 309.4 309.8 287.9 317.6 2.59 29 674 3423 4.8 -9.2 35 14.0 -1.2 22 17 311.2 311.7 288.8 320.2 2.82 30 665 3532 4.2 -9.8 35 14.0 -1.7 17 16 311.7 312.2 288.9 320.4 2.73 31 617 4137 0.4 -10.6 43 11.0 -4.1 357 13 314.1 314.6 289.7 323.0 2.76 32 588 4521 -2.1 -14.1 39 12.0 -6.6 359 15 315.5 315.9 289.6 322.7 2.18 33 559 4921 -3.7 -18.7 30 15.0 -8.8 14 15 318.2 318.5 289.8 323.5 1.56 34 500 5790 -10.7 -22.7 37 12.0 -14.1 355 20 320.0 320.2 290.0 324.2 1.23 35 472 6230 -14.3 -25.3 39 11.0 -17.1 346 17 320.8 321.1 290.1 324.5 1.04 36 418 7138 -22.1 -31.1 44 9.0 -23.8 343 20 322.2 322.3 290.2 324.6 0.68 37 400 7460 -24.7 -34.7 39 10.0 -26.3 350 24 322.9 323.0 290.2 324.7 0.50 38 394 7570 -25.3 -36.3 35 11.0 -26.9 353 25 323.5 323.6 290.3 325.1 0.44 39 380 7832 -27.5 -36.5 42 9.0 -28.7 352 26 324.0 324.1 290.5 325.6 0.44 40 379 7851 -27.5 -38.5 34 11.0 -28.9 351 26 324.2 324.3 290.5 325.6 0.36 41 372 7985 -27.5 -44.5 18 17.0 -29.3 349 26 325.9 326.0 290.7 326.7 0.20 42 365 8122 -28.3 -46.3 16 18.0 -30.1 347 27 326.7 326.7 290.9 327.3 0.16 43 361 8201 -28.7 -45.7 18 17.0 -30.4 346 27 327.1 327.2 291.1 327.8 0.18 44 360 8221 -28.7 -43.7 22 15.0 -30.3 345 27 327.4 327.5 291.2 328.3 0.22 45 358 8261 -29.1 -40.1 34 11.0 -30.4 346 27 327.4 327.5 291.3 328.6 0.33 46 355 8321 -29.5 -40.5 34 11.0 -30.8 348 28 327.6 327.7 291.4 328.8 0.31 47 345 8524 -31.1 -43.1 30 12.0 -32.4 354 29 328.2 328.2 291.5 329.1 0.25 48 337 8690 -32.3 -51.3 13 19.0 -33.7 360 30 328.7 328.8 291.5 329.1 0.10 49 308 9319 -37.7 -53.7 17 16.0 -38.7 353 35 329.7 329.8 291.7 330.1 0.08 50 300 9500 -38.9 -57.9 12 19.0 -39.8 350 34 330.5 330.5 291.9 330.7 0.05 51 282 9920 -42.7 -61.7 11 19.0 -43.4 350 35 331.0 331.0 292.0 331.1 0.03 52 274 10113 -44.1 -61.1 13 17.0 -44.7 348 35 331.7 331.7 292.2 331.8 0.04 53 253 10642 -48.7 -55.7 44 7.0 -49.0 326 36 332.5 332.5 292.5 332.8 0.08 54 251 10694 -49.1 -56.1 44 7.0 -49.3 325 36 332.7 332.7 292.5 333.0 0.08 55 250 10720 -49.3 -56.3 44 7.0 -49.6 325 35 332.8 332.8 292.6 333.1 0.07 56 243 10905 -51.1 -61.1 29 10.0 -51.4 321 33 332.8 332.8 292.5 333.0 0.04 57 241 10959 -51.5 -60.5 33 9.0 -51.7 320 32 333.0 333.0 292.6 333.2 0.05 58 200 12140 -61.3 -68.3 39 7.0 -61.4 320 29 335.7 335.7 293.3 335.8 0.02 59 150 13880 -72.5 -76.7 53 4.2 -72.5 310 25 345.2 345.2 295.6 345.2 0.01 60 147 13998 -73.5 -77.5 54 4.0 -73.5 320 21 345.5 345.5 295.6 345.5 0.01 61 100 16280 -67.3 -86.3 5 19.0 -67.4 340 13 397.7 397.7 304.9 397.7 0.00 62 90 16921 -64.5 -86.5 3 22.0 -64.7 357 13 415.4 415.4 307.2 415.4 0.00 63 82 17489 -65.1 -88.1 3 23.0 -65.3 22 11 425.4 425.4 308.3 425.4 0.00 64 74 18117 -64.1 -88.1 2 24.0 -64.3 22 12 440.2 440.2 309.9 440.2 0.00 65 70 18460 -61.5 -87.5 2 26.0 -61.9 50 16 452.8 452.8 311.1 452.8 0.00 66 69 18549 -60.9 -86.9 2 26.0 -61.3 26 15 456.0 456.0 311.4 456.0 0.00 67 65 18921 -61.5 -87.5 2 26.0 -61.9 48 15 462.5 462.5 312.0 462.5 0.00 68 59 19526 -58.1 -87.1 1 29.0 -58.7 53 18 483.1 483.1 313.7 483.2 0.00 69 57 19744 -58.1 -87.1 1 29.0 -58.7 39 16 487.9 487.9 314.1 487.9 0.00 70 55 19969 -58.7 -86.7 2 28.0 -59.3 40 19 491.6 491.6 314.4 491.6 0.00 71 51 20445 -57.3 -86.3 1 29.0 -58.0 74 21 505.6 505.6 315.4 505.6 0.00 72 50 20570 -57.7 -86.7 1 29.0 -58.5 95 17 507.5 507.5 315.5 507.5 0.00 73 47 20959 -58.3 -87.3 1 29.0 -59.0 88 18 515.1 515.1 316.0 515.2 0.00 74 44 21377 -55.5 -86.5 1 31.0 -56.6 64 28 531.8 531.8 317.1 531.8 0.01 75 43 21523 -56.3 -86.3 1 30.0 -57.3 76 26 533.3 533.3 317.1 533.3 0.01 76 40 21983 -54.7 -85.7 1 31.0 -56.0 83 29 548.5 548.5 318.0 548.5 0.01 77 37 22480 -56.5 -86.5 1 30.0 -57.6 79 36 556.2 556.2 318.5 556.3 0.01 78 35 22833 -55.7 -86.7 1 31.0 -57.0 77 40 567.2 567.2 319.0 567.3 0.01 79 30 23810 -57.3 -87.3 1 30.0 -58.5 80 47 588.4 588.4 320.0 588.5 0.01 80 24 25218 -58.7 -87.7 1 29.0 -60.0 80 58 623.1 623.1 321.6 623.2 0.01 81 20 26370 -56.7 -86.7 1 30.0 -58.6 75 60 662.6 662.6 323.2 662.7 0.01 82 18 27037 -57.3 -87.3 1 30.0 -59.2 72 63 681.0 681.0 323.8 681.1 0.01 83 17 27399 -56.9 -87.2 1 30.2 -59.0 70 64 693.4 693.4 324.2 693.5 0.01 84 14 28632 -55.7 -86.7 1 31.0 -58.4 73 62 737.2 737.2 325.6 737.3 0.02 85 14 28632 -53.7 -85.7 1 32.0 -56.9 73 62 743.9 744.0 325.8 744.1 0.02 86 13 29108 -53.5 -85.5 1 32.0 -57.0 75 61 760.6 760.6 326.3 760.7 0.02 87 13 29108 -53.5 -85.5 1 32.0 -57.0 75 61 760.6 760.6 326.3 760.7 0.02 88 13 29108 -51.3 -85.3 1 34.0 -55.5 75 61 768.2 768.2 326.4 768.4 0.02 89 11 30198 -49.5 -83.5 1 34.0 -54.9 80 58 812.3 812.3 327.5 812.6 0.03 TRP 147 13998 -73.5 -77.5 54 4.0 -73.5 320 21 345.5 345.5 295.6 345.5 0.01 WND 17 27399 -56.9 -87.2 1 30.2 -59.0 70 64 693.4 693.4 324.2 693.5 0.01 Sounding variables and indices 1000-500 mb thick: 5629.00 m Freezing level: 612.36 mb = 4198.17 m = 13773.35 ft Wetbulb zero: 807.16 mb = 1941.26 m = 6368.88 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 34.18 % Est. max temperature: 23.52 C = 74.34 F Sfc-Lift cond lev (LCL): 930.57 mb = 758.68 m = 2489.08 ft T: 11.95 C 700-500 lapse rate: 6.32 C/km ThetaE index: 1.87 C Layer 853.0- 850.0 mb Conv cond level (CCL): 550.24 mb = 5044.10 m = 16548.68 ft Mean mixing ratio: 4.92 g/kg Conv temperature: 47.05 C = 116.69 F Cap Strength: 18.66 C Lifted Index: 18.40 C Risk: None Lifted Index @300 mb: 21.90 C Lifted Index @700 mb: 15.73 C Showalter Index: 14.48 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 6.10 C K Index: -0.50 Risk: None Sweat Index: 22.00 Risk: None Energy Index: 3.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.29 J/kg Max Up Vert Vel: 8.64 m/s Conv Inhibition (B-): 50937.63 J/kg Cap Strength: 18.63 C Lift Cond Lev (LCL): 869.46 mb = 1327.06 m = 4353.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 41 at 9 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 1019 3 60 8 -6.9 -4.0 | 151 3 -1.4 2.5 1 1000 161 65 9 -8.2 -3.8 | 136 4 -2.6 2.7 2 983 305 95 6 -6.0 0.5 | 177 7 -0.4 7.0 3 947 610 50 15 -11.5 -9.6 | 62 7 -5.9 -3.1 4 925 809 260 1 1.0 0.2 | 224 9 6.5 6.7 5 913 914 230 5 3.8 3.2 | 224 13 9.4 9.7 6 881 1219 205 7 3.0 6.3 | 214 15 8.5 12.8 7 850 1515 235 1 0.8 0.6 | 222 10 6.4 7.1 8 849 1524 0 0 -0.0 -0.0 | 221 9 5.5 6.5 9 818 1829 100 5 -4.9 0.9 | 185 7 0.6 7.4 10 788 2134 75 7 -6.8 -1.8 | 165 5 -1.2 4.7 11 760 2438 5 10 -0.9 -10.0 | 307 6 4.7 -3.5 12 732 2743 10 7 -1.2 -6.9 | 275 4 4.3 -0.4 13 700 3114 15 15 -3.9 -14.5 | 348 8 1.7 -8.0 14 679 3353 25 18 -7.6 -16.3 | 12 10 -2.1 -9.8 15 654 3658 10 14 -2.4 -13.8 | 337 8 3.1 -7.3 16 629 3962 360 11 -0.0 -11.0 | 309 7 5.5 -4.5 17 606 4267 355 14 1.2 -13.9 | 318 10 6.8 -7.5 18 583 4572 360 15 -0.0 -15.0 | 327 10 5.5 -8.5 19 561 4877 15 15 -3.9 -14.5 | 348 8 1.7 -8.0 20 519 5486 340 19 6.5 -17.9 | 313 17 12.0 -11.4 21 500 5790 355 20 1.7 -19.9 | 332 15 7.3 -13.4 22 500 5791 360 17 -0.0 -17.0 | 332 12 5.5 -10.5 23 480 6096 345 17 4.4 -16.4 | 315 14 9.9 -9.9 24 442 6706 350 19 3.3 -18.7 | 324 15 8.8 -12.2 25 408 7315 340 20 6.8 -18.8 | 315 17 12.4 -12.3 26 400 7460 350 24 4.2 -23.6 | 330 20 9.7 -17.1 27 391 7620 355 25 2.2 -24.9 | 337 20 7.7 -18.4 28 359 8230 345 27 7.0 -26.1 | 327 23 12.5 -19.6 29 329 8839 5 31 -2.7 -30.9 | 353 25 2.8 -24.4 30 315 9144 355 36 3.1 -35.9 | 344 31 8.7 -29.4 31 300 9500 350 34 5.9 -33.5 | 337 29 11.5 -27.0 32 276 10058 350 35 6.1 -34.5 | 337 30 11.6 -28.0 33 252 10668 325 36 20.6 -29.5 | 311 35 26.2 -23.0 34 250 10720 325 35 20.1 -28.7 | 311 34 25.6 -22.2 35 240 10973 320 32 20.6 -24.5 | 305 32 26.1 -18.0 36 200 12140 320 29 18.6 -22.2 | 303 29 24.2 -15.7 37 189 12497 320 31 19.9 -23.7 | 304 31 25.5 -17.3 38 170 13106 335 28 11.8 -25.4 | 317 26 17.4 -18.9 39 162 13411 310 26 19.9 -16.7 | 292 27 25.5 -10.2 40 154 13716 315 31 21.9 -21.9 | 299 32 27.5 -15.4 41 150 13880 310 25 19.2 -16.1 | 291 26 24.7 -9.6 42 147 13998 320 21 13.5 -16.1 | 297 21 19.0 -9.6 43 146 14021 305 26 21.3 -14.9 | 287 28 26.8 -8.4 44 139 14326 330 18 9.0 -15.6 | 302 17 14.5 -9.1 45 132 14630 295 17 15.4 -7.2 | 272 21 21.0 -0.7 46 119 15240 340 30 10.3 -28.2 | 324 27 15.8 -21.7 47 113 15545 355 23 2.0 -22.9 | 335 18 7.6 -16.4 48 102 16154 10 13 -2.3 -12.8 | 332 7 3.3 -6.3 49 100 16280 340 13 4.4 -12.2 | 300 12 10.0 -5.7 50 97 16459 340 13 4.4 -12.2 | 300 12 10.0 -5.7 51 92 16764 360 14 -0.0 -14.0 | 324 9 5.5 -7.5 52 88 17069 355 12 1.0 -12.0 | 310 9 6.6 -5.5 53 84 17374 30 12 -6.0 -10.4 | 7 4 -0.5 -3.9 54 80 17678 10 10 -1.7 -9.8 | 311 5 3.8 -3.4 55 76 17983 20 14 -4.8 -13.2 | 353 7 0.8 -6.7 56 72 18288 25 9 -3.8 -8.2 | 314 2 1.7 -1.7 57 70 18460 50 16 -12.3 -10.3 | 61 8 -6.7 -3.8 58 69 18593 15 15 -3.9 -14.5 | 348 8 1.7 -8.0 59 65 18898 50 15 -11.5 -9.6 | 62 7 -5.9 -3.1 60 62 19202 25 14 -5.9 -12.7 | 3 6 -0.4 -6.2 61 59 19507 55 18 -14.7 -10.3 | 67 10 -9.2 -3.8 62 56 19812 35 15 -8.6 -12.3 | 28 7 -3.1 -5.8 63 54 20117 45 23 -16.3 -16.3 | 48 14 -10.7 -9.8 64 51 20422 70 22 -20.7 -7.5 | 86 15 -15.1 -1.0 65 50 20570 95 17 -16.9 1.5 | 125 14 -11.4 8.0 66 49 20726 65 16 -14.5 -6.8 | 88 9 -9.0 -0.3 67 46 21031 95 18 -17.9 1.6 | 123 15 -12.4 8.1 68 44 21336 60 29 -25.1 -14.5 | 68 21 -19.6 -8.0 69 42 21641 85 24 -23.9 -2.1 | 103 19 -18.4 4.4 70 33 23165 75 45 -43.5 -11.6 | 82 38 -37.9 -5.2 71 32 23470 90 43 -43.0 0.0 | 100 38 -37.5 6.5 72 30 23810 80 47 -46.3 -8.2 | 88 41 -40.7 -1.7 73 27 24384 85 50 -49.8 -4.4 | 93 44 -44.3 2.1 74 22 25908 75 64 -61.8 -16.6 | 80 57 -56.3 -10.1 75 20 26370 75 60 -58.0 -15.5 | 80 53 -52.4 -9.0 76 17 27399 70 64 -60.1 -21.9 | 74 57 -54.6 -15.4 77 17 27432 70 60 -56.4 -20.5 | 75 53 -50.8 -14.0 78 15 27737 70 64 -60.1 -21.9 | 74 57 -54.6 -15.4 79 9 29261 85 55 -54.8 -4.8 | 92 49 -49.2 1.7 Wind Parameters Mean winds (0-6000m): 10.5 at 11.4 knts Storm direction: 40.5 at 8.5 knts Shear (0-3000m) pos: 1.1 neg: 1.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -175.4 deg Storm rel helicity (0-3000m) pos: 17.7 neg: -69.2 tot: -51.5 m^2/s^2 ave: -17.2 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 15.3 stream: -6.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.61 Bulk Shear: 14.27 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 72 8 148 5| 4.1 0.0 4.1| 4.5 -11.4 -6.9 -13.8 -0.34| 13.6 -4.7 1000 63 8 151 3| 6.9 0.0 6.9| 4.5 -47.8 -43.4 -43.4 -0.75| 26.0-19.5 1500 82 7 166 6| 3.2 0.0 3.2| 11.2 -55.1 -43.9 -29.3 -0.64| 20.1-13.0 2000 86 6 175 6| 2.4 1.9 4.2| 11.5 -64.2 -52.8 -26.4 -0.64| 17.4-11.1 2500 69 7 172 4| 1.9 2.1 4.0| 11.6 -66.9 -55.3 -22.1 -0.50| 16.8 -8.4 3000 49 7 188 2| 1.1 1.8 2.8| 17.7 -69.2 -51.5 -17.2 -0.43| 15.3 -6.5 4000 30 9 318 2| 0.5 0.9 1.4| 27.4 -86.5 -59.1 -14.8 -0.40| 13.3 -5.3 5000 20 10 323 4| 0.3 1.0 1.3| 41.6 -89.1 -47.5 -9.5 -0.33| 11.6 -3.8 6000 11 11 324 6| 0.2 1.4 1.6| 60.3-117.4 -57.1 -9.5 -0.31| 11.3 -3.5 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251202.00.gif