UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 30 APR 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 1015 3 11.0 9.8 92 1.2 10.3 255 2 282.9 284.2 282.8 303.6 7.50 1 1009 52 11.6 10.1 90 1.5 10.7 267 2 284.0 285.4 283.5 305.3 7.71 2 1000 127 10.8 9.7 93 1.1 10.2 285 3 284.0 285.3 283.3 304.9 7.57 3 985 253 10.0 9.8 99 0.2 9.9 249 3 284.4 285.7 283.7 305.8 7.74 4 974 346 9.6 8.8 95 0.8 9.2 225 3 284.9 286.2 283.5 305.2 7.31 5 973 355 9.4 8.7 95 0.7 9.0 223 3 284.8 286.0 283.4 304.9 7.27 6 957 493 9.6 7.6 87 2.0 8.5 191 4 286.3 287.5 283.6 305.5 6.85 7 949 563 11.2 7.3 77 3.9 9.0 175 4 288.6 289.8 284.5 307.8 6.77 8 947 580 14.4 7.4 63 7.0 10.4 171 4 292.1 293.3 285.9 311.6 6.83 9 945 598 15.0 7.0 59 8.0 10.5 167 4 292.8 294.0 286.1 312.0 6.66 10 933 707 16.2 7.2 55 9.0 11.0 243 6 295.1 296.4 287.1 315.0 6.84 11 925 780 15.8 4.8 48 11.0 9.8 300 8 295.5 296.5 286.2 312.5 5.83 12 909 929 17.0 4.0 42 13.0 9.9 296 8 298.2 299.2 287.0 314.8 5.61 13 897 1042 16.2 4.2 45 12.0 9.6 305 7 298.5 299.5 287.3 315.6 5.77 14 894 1070 16.4 2.4 39 14.0 8.9 308 6 299.0 299.9 286.8 314.1 5.09 15 888 1128 16.4 2.4 39 14.0 8.9 312 6 299.6 300.5 287.1 314.8 5.12 16 880 1205 16.2 3.2 42 13.0 9.1 319 5 300.1 301.1 287.6 316.5 5.47 17 862 1380 15.4 3.4 45 12.0 8.8 343 4 301.1 302.1 288.1 318.0 5.67 18 850 1499 14.4 3.4 48 11.0 8.4 360 3 301.2 302.3 288.2 318.5 5.75 19 815 1852 11.4 2.4 54 9.0 6.6 335 2 301.7 302.7 288.2 318.5 5.59 20 789 2122 9.6 -3.4 40 13.0 3.4 256 3 302.6 303.3 286.8 314.1 3.77 21 726 2806 3.8 -2.2 65 6.0 0.9 336 0 303.5 304.3 287.8 317.2 4.48 22 713 2952 2.4 -4.6 60 7.0 -0.8 274 2 303.5 304.2 287.2 315.2 3.81 23 709 2998 2.2 -4.8 60 7.0 -1.0 254 2 303.8 304.5 287.2 315.4 3.77 24 706 3032 2.0 -2.6 72 4.6 -0.2 240 2 304.0 304.8 287.9 317.6 4.47 25 700 3101 1.4 -2.8 74 4.2 -0.6 210 3 304.0 304.9 287.9 317.6 4.45 26 698 3124 1.2 -2.8 75 4.0 -0.7 213 3 304.1 304.9 288.0 317.7 4.46 27 678 3357 0.4 -10.6 43 11.0 -3.9 239 5 305.7 306.2 286.6 313.6 2.51 28 661 3560 -0.7 -16.7 29 16.0 -6.1 262 7 306.7 307.0 285.9 311.8 1.56 29 651 3681 -2.1 -9.1 59 7.0 -5.0 275 8 306.5 307.0 287.3 315.7 2.95 30 646 3742 -2.5 -13.5 43 11.0 -6.5 277 8 306.7 307.1 286.5 313.3 2.09 31 641 3804 -2.5 -22.5 20 20.0 -8.2 279 9 307.4 307.5 285.5 310.6 0.98 32 627 3978 -3.5 -23.5 20 20.0 -9.1 285 10 308.2 308.3 285.8 311.2 0.92 33 621 4054 -3.9 -22.9 21 19.0 -9.3 283 10 308.6 308.7 285.9 311.8 0.98 34 619 4079 -4.1 -22.1 23 18.0 -9.3 282 10 308.6 308.8 286.1 312.1 1.05 35 613 4156 -4.9 -15.9 42 11.0 -8.6 279 10 308.6 308.9 286.9 314.4 1.80 36 598 4350 -6.7 -15.7 49 9.0 -9.7 275 10 308.7 309.0 287.0 314.7 1.88 37 594 4402 -7.1 -18.1 41 11.0 -10.5 274 10 308.8 309.1 286.7 313.8 1.55 38 590 4454 -7.7 -16.7 48 9.0 -10.6 274 10 308.7 309.0 286.9 314.4 1.75 39 579 4600 -8.9 -20.9 37 12.0 -12.3 272 11 309.0 309.2 286.4 313.1 1.25 40 577 4627 -9.1 -21.1 37 12.0 -12.5 272 11 309.0 309.3 286.4 313.1 1.23 41 569 4735 -9.9 -19.9 44 10.0 -12.8 271 11 309.3 309.6 286.7 313.9 1.38 42 563 4816 -10.5 -21.5 40 11.0 -13.5 271 11 309.6 309.8 286.6 313.6 1.22 43 558 4885 -10.9 -16.9 61 6.0 -12.8 270 11 309.9 310.2 287.3 315.8 1.82 44 554 4940 -11.3 -13.1 87 1.8 -11.9 269 11 310.0 310.5 288.1 318.1 2.52 45 548 5023 -11.5 -12.3 94 0.8 -11.8 268 12 310.8 311.3 288.6 319.5 2.71 46 540 5136 -12.1 -14.5 82 2.4 -12.9 266 13 311.4 311.8 288.3 318.8 2.30 47 537 5178 -12.3 -14.0 87 1.7 -12.9 265 14 311.6 312.1 288.5 319.4 2.41 48 525 5350 -13.1 -16.6 75 3.5 -14.2 262 16 312.7 313.1 288.5 319.2 1.99 49 518 5452 -13.9 -17.1 77 3.2 -14.9 261 17 312.9 313.3 288.5 319.2 1.93 50 513 5526 -14.1 -20.1 60 6.0 -15.8 261 17 313.5 313.8 288.3 318.6 1.51 51 512 5541 -14.1 -20.1 60 6.0 -15.8 261 17 313.7 314.0 288.3 318.7 1.51 52 502 5690 -15.3 -22.3 55 7.0 -17.1 264 17 314.0 314.3 288.2 318.3 1.27 53 500 5720 -15.5 -22.5 55 7.0 -17.3 265 17 314.1 314.4 288.2 318.4 1.26 54 400 7370 -27.5 -38.5 34 11.0 -28.9 275 22 319.2 319.3 288.9 320.5 0.34 55 300 9370 -43.7 -46.2 76 2.5 -43.9 295 27 323.8 323.8 290.1 324.5 0.20 56 250 10570 -54.3 -59.2 55 4.9 -54.4 300 28 325.3 325.3 290.5 325.5 0.05 57 231 11071 -58.5 -63.4 53 4.9 -58.6 290 26 326.4 326.4 290.7 326.5 0.03 58 200 11980 -56.1 -76.1 6 20.0 -56.3 300 34 343.9 343.9 295.3 344.0 0.01 59 150 13820 -57.3 -84.3 2 27.0 -57.6 345 38 371.4 371.4 300.8 371.4 0.00 60 100 16340 -62.3 -87.3 2 25.0 -62.5 345 17 407.4 407.4 306.2 407.4 0.00 61 76 18038 -61.7 -87.7 2 26.0 -62.0 307 12 441.9 441.9 310.1 441.9 0.00 62 73 18288 -60.1 -87.1 2 27.0 -60.5 315 14 450.4 450.4 310.9 450.4 0.00 63 70 18550 -60.3 -86.3 2 26.0 -60.7 325 7 455.4 455.4 311.4 455.4 0.00 64 68 18730 -60.9 -86.9 2 26.0 -61.3 306 10 457.9 457.9 311.6 457.9 0.00 65 64 19108 -58.7 -86.7 2 28.0 -59.2 294 10 470.7 470.7 312.7 470.7 0.00 66 62 19306 -59.7 -86.7 2 27.0 -60.2 293 10 472.8 472.8 312.9 472.8 0.00 67 57 19830 -59.5 -87.5 1 28.0 -60.0 263 13 484.8 484.8 313.8 484.8 0.00 68 55 20054 -58.1 -87.1 1 29.0 -58.7 296 12 492.9 492.9 314.4 493.0 0.00 69 50 20650 -60.1 -88.1 1 28.0 -60.7 255 10 501.9 501.9 315.1 501.9 0.00 70 38 22368 -59.1 -87.1 1 28.0 -59.9 45 3 545.4 545.4 317.8 545.4 0.01 71 37 22536 -57.5 -86.5 1 29.0 -58.5 64 1 553.7 553.7 318.3 553.7 0.01 72 37 22536 -57.9 -86.9 1 29.0 -58.9 64 1 552.6 552.6 318.2 552.7 0.01 73 32 23458 -55.1 -86.1 1 31.0 -56.6 9 8 583.6 583.6 319.8 583.6 0.01 74 30 23870 -56.1 -86.1 1 30.0 -57.5 35 15 591.7 591.7 320.2 591.8 0.01 75 28 24308 -56.9 -85.9 1 29.0 -58.3 44 16 601.3 601.3 320.7 601.3 0.01 76 21 26137 -55.1 -86.1 1 31.0 -57.2 212 7 658.3 658.3 323.0 658.3 0.01 77 20 26450 -52.7 -84.7 1 32.0 -55.5 225 6 674.9 674.9 323.6 675.0 0.02 78 19 26782 -52.3 -84.3 1 32.0 -55.2 263 4 686.1 686.1 324.0 686.2 0.02 79 19 26782 -52.5 -84.5 1 32.0 -55.4 263 4 685.5 685.5 324.0 685.6 0.02 80 18 27134 -48.9 -82.9 1 34.0 -53.0 300 9 707.5 707.5 324.7 707.7 0.02 81 16 27903 -51.5 -83.5 1 32.0 -55.1 327 19 723.3 723.3 325.1 723.4 0.02 82 10 31020 -42.1 -79.1 1 37.0 -51.2 260 13 862.4 862.4 328.7 863.2 0.08 83 9.7 31226 -42.5 -79.5 1 37.0 -51.5 264 14 868.4 868.5 328.8 869.2 0.07 84 9.2 31586 -40.1 -79.1 1 39.0 -50.7 271 15 890.9 890.9 329.2 891.7 0.08 85 8.8 31890 -40.9 -78.9 1 38.0 -51.2 276 16 899.2 899.2 329.4 900.1 0.09 86 8.6 32047 -38.7 -78.7 1 40.0 -50.4 279 16 913.7 913.7 329.7 914.7 0.10 87 8.4 32209 -39.9 -78.9 1 39.0 -51.1 282 16 915.1 915.2 329.7 916.1 0.09 88 7.7 32809 -36.3 -77.3 1 41.0 -50.0 293 18 952.7 952.7 330.4 954.2 0.13 89 7.6 32900 -36.1 -77.1 1 41.0 -50.0 295 18 957.0 957.1 330.5 958.6 0.14 90 7.2 33275 -37.3 -77.3 1 40.0 -50.8 301 19 967.0 967.1 330.7 968.7 0.14 91 7.0 33470 -36.3 -77.3 1 41.0 -50.5 305 20 979.0 979.1 330.9 980.7 0.15 92 6.6 33879 -35.9 -76.9 1 41.0 -50.7 997.3 997.4 331.2 999.3 0.17 TRP 231 11071 -58.5 -63.4 53 4.9 -58.6 290 26 326.4 326.4 290.7 326.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5593.00 m Freezing level: 671.82 mb = 3430.67 m = 11255.35 ft Wetbulb zero: 719.12 mb = 2883.03 m = 9458.64 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 55.40 % Est. max temperature: 29.04 C = 84.28 F Sfc-Lift cond lev (LCL): 996.90 mb = 152.90 m = 501.64 ft T: 10.64 C 700-500 lapse rate: 6.45 C/km ThetaE index: 4.37 C Layer 789.0- 726.0 mb Conv cond level (CCL): 727.85 mb = 2785.01 m = 9137.06 ft Mean mixing ratio: 7.01 g/kg Conv temperature: 31.63 C = 88.93 F Cap Strength: 10.46 C Lifted Index: 7.98 C Risk: None Lifted Index @300 mb: 11.27 C Lifted Index @700 mb: 6.42 C Showalter Index: 1.77 C Risk: Showers probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 18.90 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 63.80 Risk: None Energy Index: -0.02 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.27 J/kg Max Up Vert Vel: 11.51 m/s Conv Inhibition (B-): 54020.22 J/kg Cap Strength: 10.43 C Lift Cond Lev (LCL): 905.35 mb = 962.83 m = 3158.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 5 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 1015 3 255 2 1.9 0.5 | 140 4 -2.8 3.3 1 1000 127 285 3 2.9 -0.8 | 139 3 -1.8 2.0 2 979 305 235 3 2.5 1.7 | 154 5 -2.2 4.5 3 944 610 165 4 -1.0 3.9 | 139 9 -5.7 6.7 4 925 780 300 8 6.9 -4.0 | 298 3 2.2 -1.2 5 910 914 295 8 7.3 -3.4 | 283 3 2.6 -0.6 6 878 1219 320 5 3.2 -3.8 | 55 2 -1.5 -1.0 7 850 1499 360 3 -0.0 -3.0 | 88 5 -4.7 -0.2 8 817 1829 340 2 0.7 -1.9 | 103 4 -4.0 0.9 9 787 2134 250 3 2.8 1.0 | 154 4 -1.9 3.8 10 759 2438 160 1 -0.3 0.9 | 127 6 -5.0 3.7 11 731 2743 0 0 -0.0 -0.0 | 121 5 -4.7 2.8 12 700 3101 210 3 1.5 2.6 | 149 6 -3.2 5.4 13 652 3658 275 8 8.0 -0.7 | 237 4 3.3 2.1 14 627 3962 285 10 9.7 -2.6 | 268 5 5.0 0.2 15 603 4267 275 10 10.0 -0.9 | 250 6 5.3 1.9 16 557 4877 270 11 11.0 -0.0 | 246 7 6.3 2.8 17 515 5486 260 17 16.7 3.0 | 244 13 12.1 5.8 18 500 5720 265 17 16.9 1.5 | 251 13 12.2 4.3 19 475 6096 270 19 19.0 -0.0 | 259 15 14.3 2.8 20 438 6706 255 18 17.4 4.7 | 240 15 12.7 7.5 21 400 7370 275 22 21.9 -1.9 | 267 17 17.2 0.9 22 386 7620 280 20 19.7 -3.5 | 273 15 15.0 -0.7 23 353 8230 280 19 18.7 -3.3 | 272 14 14.0 -0.5 24 310 9144 300 22 19.1 -11.0 | 300 17 14.4 -8.2 25 300 9370 295 27 24.5 -11.4 | 294 22 19.8 -8.6 26 296 9449 285 25 24.1 -6.5 | 281 20 19.5 -3.7 27 283 9754 300 27 23.4 -13.5 | 300 22 18.7 -10.7 28 250 10570 300 28 24.2 -14.0 | 300 23 19.6 -11.2 29 235 10973 300 29 25.1 -14.5 | 300 24 20.4 -11.7 30 231 11071 290 26 24.4 -8.9 | 287 21 19.7 -6.1 31 224 11278 280 28 27.6 -4.9 | 275 23 22.9 -2.1 32 200 11980 300 34 29.4 -17.0 | 300 29 24.8 -14.2 33 193 12192 305 36 29.5 -20.6 | 306 31 24.8 -17.8 34 184 12497 335 26 11.0 -23.6 | 343 22 6.3 -20.8 35 176 12802 305 23 18.8 -13.2 | 306 18 14.2 -10.4 36 152 13716 335 28 11.8 -25.4 | 342 24 7.1 -22.6 37 150 13820 345 38 9.8 -36.7 | 351 34 5.1 -33.9 38 145 14021 350 39 6.8 -38.4 | 357 36 2.1 -35.6 39 132 14630 5 26 -2.3 -25.9 | 17 24 -7.0 -23.1 40 125 14935 355 22 1.9 -21.9 | 8 19 -2.8 -19.1 41 119 15240 340 25 8.6 -23.5 | 349 21 3.9 -20.7 42 100 16340 345 17 4.4 -16.4 | 1 14 -0.3 -13.6 43 98 16459 345 17 4.4 -16.4 | 1 14 -0.3 -13.6 44 89 17069 330 15 7.5 -13.0 | 345 11 2.8 -10.2 45 85 17374 345 12 3.1 -11.6 | 10 9 -1.6 -8.8 46 77 17983 305 12 9.8 -6.9 | 308 7 5.1 -4.1 47 73 18288 315 14 9.9 -9.9 | 324 9 5.2 -7.1 48 70 18550 325 7 4.0 -5.7 | 13 3 -0.7 -2.9 49 70 18593 335 10 4.2 -9.1 | 4 6 -0.5 -6.3 50 66 18898 270 10 10.0 -0.0 | 242 6 5.3 2.8 51 63 19202 305 10 8.2 -5.7 | 310 5 3.5 -2.9 52 60 19507 270 10 10.0 -0.0 | 242 6 5.3 2.8 53 57 19812 260 13 12.8 2.3 | 238 10 8.1 5.1 54 54 20117 305 12 9.8 -6.9 | 308 7 5.1 -4.1 55 52 20422 15 10 -2.6 -9.7 | 47 10 -7.3 -6.9 56 50 20650 255 10 9.7 2.6 | 223 7 5.0 5.4 57 49 20726 210 10 5.0 8.7 | 182 11 0.3 11.5 58 47 21031 265 10 10.0 0.9 | 235 6 5.3 3.7 59 45 21336 295 8 7.3 -3.4 | 283 3 2.6 -0.6 60 43 21641 320 10 6.4 -7.7 | 340 5 1.7 -4.9 61 37 22555 65 1 -0.9 -0.4 | 113 6 -5.6 2.4 62 30 23774 350 10 1.7 -9.8 | 23 8 -2.9 -7.0 63 30 23870 35 15 -8.6 -12.3 | 54 16 -13.3 -9.5 64 28 24384 45 16 -11.3 -11.3 | 62 18 -16.0 -8.5 65 26 24689 85 13 -13.0 -1.1 | 95 18 -17.6 1.7 66 25 24994 150 10 -5.0 8.7 | 140 15 -9.7 11.5 67 24 25298 175 10 -0.9 10.0 | 156 14 -5.6 12.8 68 20 26450 225 6 4.2 4.2 | 176 7 -0.4 7.0 69 20 26518 235 1 0.8 0.6 | 131 5 -3.9 3.4 70 17 27432 330 12 6.0 -10.4 | 350 8 1.3 -7.6 71 16 27737 325 21 12.0 -17.2 | 333 16 7.4 -14.4 72 15 28346 330 16 8.0 -13.9 | 343 12 3.3 -11.1 73 14 28651 335 10 4.2 -9.1 | 4 6 -0.5 -6.3 74 14 28956 10 2 -0.3 -2.0 | 99 5 -5.0 0.8 75 12 29870 205 10 4.2 9.1 | 178 12 -0.5 11.9 76 11 30175 230 12 9.2 7.7 | 203 11 4.5 10.5 77 10 31020 260 13 12.8 2.3 | 238 10 8.1 5.1 78 7 33470 305 20 16.4 -11.5 | 307 15 11.7 -8.7 Wind Parameters Mean winds (0-6000m): 270.9 at 7.3 knts Storm direction: 300.9 at 5.5 knts Shear (0-3000m) pos: 1.1 neg: 1.2 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 2.9 deg Storm rel helicity (0-3000m) pos: 23.8 neg: -9.6 tot: 14.1 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 20.85 Bulk Shear: 3.18 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 ------------------------------------------------------------------------------- 500 241 3 154 5| 0.0 3.5 3.5| 0.8 -1.3 -0.6 -1.1 0.01| 6.5 0.1 1000 268 5 179 3| 4.7 1.7 6.4| 15.0 -4.0 11.1 11.1 0.54| 12.9 6.9 1500 290 5 169 1| 2.3 1.2 3.4| 17.6 -4.0 13.6 9.1 0.57| 10.8 6.2 2000 299 4 127 1| 1.7 1.4 3.1| 20.3 -4.0 16.3 8.1 0.60| 9.0 5.4 2500 292 4 139 2| 1.4 1.4 2.8| 21.3 -8.7 12.6 5.0 0.46| 8.4 3.9 3000 289 3 136 2| 1.1 1.2 2.3| 23.8 -9.6 14.1 4.7 0.46| 7.7 3.5 4000 278 4 164 2| 1.7 0.9 2.6| 37.2 -9.6 27.6 6.9 0.54| 7.4 4.0 5000 276 5 197 2| 1.4 1.0 2.4| 37.4 -12.3 25.1 5.0 0.47| 6.3 3.0 6000 271 7 224 4| 1.4 1.1 2.5| 47.3 -13.4 34.0 5.7 0.45| 6.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250430.12.gif