UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 26 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 1012 3 9.8 6.5 80 3.3 8.1 360 5 282.0 283.0 280.7 298.5 6.00 1 1007 45 9.8 6.0 77 3.8 7.8 354 5 282.4 283.4 280.7 298.5 5.82 2 1000 103 9.6 5.4 75 4.2 7.5 345 5 282.8 283.7 280.6 298.3 5.62 3 980 271 8.2 5.1 81 3.1 6.6 316 5 283.0 283.9 280.7 298.6 5.62 4 971 347 7.8 3.9 76 3.9 5.9 309 5 283.3 284.2 280.4 297.9 5.21 5 961 432 7.0 4.9 86 2.1 5.9 308 5 283.4 284.3 280.9 299.1 5.65 6 959 450 6.8 4.2 83 2.6 5.5 308 5 283.3 284.3 280.6 298.3 5.39 7 945 571 6.2 1.2 70 5.0 3.9 306 5 283.9 284.7 279.7 296.3 4.41 8 927 728 5.2 0.8 73 4.4 3.2 305 6 284.5 285.2 279.9 296.8 4.37 9 925 746 5.2 0.6 72 4.6 3.1 305 6 284.6 285.4 279.9 296.8 4.32 10 916 826 5.0 -1.0 65 6.0 2.3 300 5 285.2 285.9 279.7 296.2 3.88 11 897 997 3.8 -0.4 74 4.2 1.9 312 4 285.7 286.4 280.2 297.5 4.14 12 888 1078 3.6 -1.1 71 4.7 1.5 330 5 286.3 287.0 280.3 297.6 3.97 13 882 1133 3.6 -2.4 65 6.0 1.0 341 5 286.9 287.5 280.1 297.3 3.63 14 850 1432 0.8 -3.0 76 3.8 -0.8 345 4 287.0 287.6 280.1 297.3 3.60 15 740 2531 -6.9 -7.2 98 0.3 -7.0 151 12 290.2 290.7 280.9 299.0 3.01 16 736 2573 -6.5 -8.6 85 2.1 -7.2 149 12 291.1 291.6 281.0 299.1 2.71 17 733 2605 -6.7 -8.5 87 1.8 -7.4 147 13 291.2 291.7 281.0 299.3 2.74 18 725 2691 -7.3 -9.3 86 2.0 -8.0 143 13 291.5 291.9 281.0 299.2 2.60 19 722 2723 -7.3 -11.0 75 3.7 -8.5 141 14 291.8 292.2 280.7 298.6 2.28 20 718 2766 -7.5 -10.2 81 2.7 -8.4 139 13 292.1 292.5 281.1 299.4 2.45 21 716 2788 -7.5 -11.2 75 3.7 -8.7 137 13 292.3 292.7 280.9 299.1 2.27 22 712 2832 -7.3 -13.3 62 6.0 -9.2 134 11 293.0 293.3 280.8 298.8 1.92 23 706 2898 -7.9 -14.9 57 7.0 -10.0 130 9 293.0 293.3 280.6 298.2 1.70 24 700 2964 -8.1 -22.1 31 14.0 -11.5 125 7 293.5 293.7 279.7 296.4 0.93 25 698 2986 -7.9 -24.9 24 17.0 -11.8 128 7 294.0 294.1 279.7 296.3 0.73 26 694 3031 -8.1 -21.1 34 13.0 -11.4 133 6 294.2 294.4 280.2 297.5 1.02 27 690 3076 -8.7 -18.7 44 10.0 -11.4 139 6 294.1 294.3 280.4 298.0 1.27 28 653 3500 -12.7 -15.4 80 2.7 -13.5 173 3 294.2 294.5 281.1 299.6 1.77 29 651 3523 -12.7 -16.9 71 4.2 -13.9 172 4 294.5 294.7 281.0 299.3 1.56 30 648 3559 -12.5 -21.5 47 9.0 -14.6 172 4 295.1 295.3 280.6 298.4 1.06 31 639 3665 -13.1 -27.1 30 14.0 -15.9 170 5 295.6 295.7 280.3 297.7 0.65 32 637 3689 -13.1 -31.1 21 18.0 -16.3 170 5 295.9 295.9 280.1 297.3 0.45 33 634 3725 -13.1 -37.1 11 24.0 -16.7 168 5 296.3 296.3 280.0 297.1 0.25 34 630 3774 -13.3 -31.3 20 18.0 -16.5 167 5 296.6 296.6 280.4 298.0 0.44 35 625 3834 -13.9 -34.9 15 21.0 -17.2 165 5 296.5 296.6 280.3 297.6 0.32 36 620 3895 -14.3 -32.3 20 18.0 -17.3 163 5 296.8 296.8 280.5 298.1 0.41 37 617 3932 -14.5 -23.5 46 9.0 -16.5 162 5 297.0 297.1 281.3 299.9 0.93 38 612 3994 -15.1 -25.1 42 10.0 -17.1 160 5 297.0 297.1 281.1 299.6 0.81 39 609 4031 -15.3 -23.3 50 8.0 -17.0 158 5 297.1 297.3 281.4 300.2 0.96 40 604 4093 -15.7 -27.7 35 12.0 -18.0 156 5 297.4 297.5 281.1 299.5 0.65 41 602 4118 -15.9 -24.9 46 9.0 -17.7 156 5 297.4 297.6 281.4 300.1 0.84 42 586 4321 -17.3 -29.3 34 12.0 -19.4 147 5 298.1 298.2 281.3 300.0 0.58 43 583 4359 -17.5 -26.5 45 9.0 -19.3 144 5 298.3 298.4 281.7 300.7 0.75 44 578 4424 -17.9 -29.9 34 12.0 -20.0 139 4 298.6 298.7 281.5 300.4 0.55 45 565 4594 -18.9 -28.9 41 10.0 -20.7 125 3 299.3 299.5 281.9 301.4 0.62 46 541 4915 -21.7 -28.7 53 7.0 -22.9 99 2 299.7 299.9 282.1 301.9 0.66 47 534 5011 -22.7 -30.7 48 8.0 -23.9 92 2 299.7 299.8 282.0 301.5 0.55 48 520 5206 -24.5 -30.5 57 6.0 -25.4 79 3 299.8 299.9 282.1 301.7 0.58 49 517 5248 -24.9 -30.9 57 6.0 -25.8 76 3 299.8 299.9 282.0 301.7 0.56 50 515 5276 -25.1 -31.1 57 6.0 -25.9 74 3 299.9 300.0 282.1 301.7 0.55 51 500 5490 -26.9 -33.9 52 7.0 -27.8 60 4 300.2 300.3 282.0 301.7 0.43 52 482 5752 -29.3 -35.3 56 6.0 -30.0 20 4 300.4 300.5 282.1 301.8 0.39 53 400 7050 -38.9 -48.9 34 10.0 -39.4 155 13 304.4 304.5 283.3 304.8 0.11 54 399 7067 -39.1 -50.1 30 11.0 -39.6 160 13 304.4 304.4 283.3 304.7 0.10 55 300 9020 -41.7 -73.7 2 32.0 -42.5 165 27 326.6 326.6 290.7 326.6 0.01 56 250 10240 -46.1 -76.1 2 30.0 -46.7 180 21 337.5 337.5 293.7 337.5 0.00 57 200 11720 -47.7 -80.7 1 33.0 -48.3 210 17 357.2 357.2 298.1 357.2 0.00 58 150 13600 -51.9 -82.9 1 31.0 -52.4 245 17 380.6 380.6 302.3 380.7 0.00 59 100 16200 -56.1 -86.1 1 30.0 -56.6 205 15 419.3 419.3 307.6 419.3 0.00 60 92 16728 -56.7 -85.7 1 29.0 -57.2 215 17 428.3 428.3 308.6 428.3 0.00 61 87 17083 -54.9 -85.9 1 31.0 -55.5 229 20 438.8 438.8 309.7 438.8 0.00 62 78 17778 -55.7 -85.7 1 30.0 -56.3 227 22 451.0 451.0 311.0 451.1 0.00 63 74 18114 -53.7 -85.7 1 32.0 -54.5 238 18 462.1 462.1 312.0 462.1 0.00 64 70 18470 -54.5 -85.5 1 31.0 -55.3 225 17 467.8 467.8 312.4 467.8 0.00 65 50 20620 -57.5 -87.5 1 30.0 -58.3 220 14 508.0 508.0 315.5 508.0 0.00 66 46 21144 -58.1 -88.1 1 30.0 -58.9 248 9 518.8 518.8 316.2 518.8 0.00 67 43 21570 -56.1 -87.1 1 31.0 -57.1 261 9 533.8 533.8 317.2 533.8 0.00 68 39 22187 -57.9 -87.9 1 30.0 -58.8 318 10 544.4 544.4 317.8 544.4 0.00 69 36 22693 -55.9 -86.9 1 31.0 -57.1 11 10 562.2 562.2 318.8 562.2 0.01 70 33 23244 -57.1 -87.1 1 30.0 -58.3 52 9 573.1 573.1 319.3 573.2 0.01 71 31 23641 -54.5 -86.5 1 32.0 -56.1 13 2 590.5 590.5 320.2 590.5 0.01 72 30 23850 -55.9 -86.9 1 31.0 -57.3 190 8 592.2 592.2 320.3 592.3 0.01 73 29 24065 -56.3 -87.3 1 31.0 -57.8 198 8 596.9 596.9 320.5 597.0 0.01 74 28 24289 -54.5 -86.5 1 32.0 -56.3 207 9 607.9 607.9 321.0 608.0 0.01 75 25 25017 -52.9 -85.9 1 33.0 -55.2 337 12 632.6 632.6 322.0 632.6 0.01 76 22 25838 -54.9 -85.9 1 31.0 -57.0 113 11 650.2 650.2 322.7 650.2 0.01 77 22 25838 -53.5 -86.5 1 33.0 -55.9 113 11 654.3 654.3 322.9 654.4 0.01 78 21 26137 -53.9 -85.9 1 32.0 -56.3 95 9 661.9 661.9 323.2 662.0 0.01 79 20 26450 -53.7 -85.7 1 32.0 -56.2 55 7 671.8 671.8 323.5 671.9 0.01 80 20 26450 -53.9 -85.9 1 32.0 -56.3 55 7 671.2 671.2 323.4 671.3 0.01 81 18 27131 -52.3 -86.3 1 34.0 -55.4 353 8 696.8 696.8 324.3 696.9 0.01 82 18 27131 -50.5 -85.5 1 35.0 -54.1 353 8 702.4 702.5 324.5 702.6 0.01 83 15 28329 -48.3 -83.3 1 35.0 -53.1 40 11 747.4 747.4 325.8 747.6 0.03 84 13 29273 -48.9 -83.9 1 35.0 -53.9 338 10 776.5 776.5 326.7 776.7 0.03 85 13 29273 -46.5 -82.5 1 36.0 -52.5 338 10 784.8 784.8 326.8 785.1 0.03 86 11 30384 -46.5 -82.5 1 36.0 -53.1 324 11 823.2 823.2 327.8 823.6 0.04 87 10 31020 -44.7 -81.7 1 37.0 -52.5 335 12 852.7 852.7 328.5 853.2 0.05 88 9.6 31292 -46.1 -82.1 1 36.0 -53.4 337 11 857.4 857.4 328.5 857.9 0.05 89 8.9 31796 -45.1 -82.1 1 37.0 -53.2 342 9 880.0 880.1 329.0 880.6 0.05 90 8.4 32186 -41.1 -81.1 1 40.0 -51.6 345 7 910.4 910.4 329.7 911.1 0.07 91 7.9 32604 -39.1 -80.1 1 41.0 -51.0 348 5 934.5 934.6 330.1 935.4 0.08 92 7.7 32781 -35.9 -78.9 0 43.0 -49.9 350 5 954.3 954.3 330.4 955.4 0.10 93 7.3 33150 -38.1 -79.1 1 41.0 -51.0 353 3 960.0 960.0 330.5 961.1 0.11 94 7.0 33440 -36.1 -79.1 0 43.0 -50.5 355 2 979.8 979.9 330.9 981.1 0.11 95 6.9 33540 -35.5 -78.5 0 43.0 -50.4 986.3 986.4 330.9 987.8 0.12 96 6.7 33744 -37.1 -79.1 0 42.0 -51.1 988.0 988.0 331.0 989.3 0.11 97 6.2 34283 -34.7 -77.7 0 43.0 -50.7 1020.4 1020.5 331.5 1022.3 0.16 98 5.6 34993 -35.5 -78.5 0 43.0 -51.5 1047.0 1047.1 331.9 1048.9 0.15 TRP 399 7067 -39.1 -50.1 30 11.0 -39.6 160 13 304.4 304.4 283.3 304.7 0.10 WND Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 838.57 mb = 1546.13 m = 5072.55 ft Wetbulb zero: 864.10 mb = 1299.06 m = 4261.97 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 62.90 % Est. max temperature: 14.77 C = 58.59 F Sfc-Lift cond lev (LCL): 962.50 mb = 419.50 m = 1376.30 ft T: 7.12 C 700-500 lapse rate: 7.44 C/km ThetaE index: 2.75 C Layer 959.0- 927.0 mb Conv cond level (CCL): 860.00 mb = 1337.52 m = 4388.13 ft Mean mixing ratio: 5.03 g/kg Conv temperature: 14.79 C = 58.61 F Cap Strength: 4.25 C Lifted Index: 3.72 C Risk: None Lifted Index @300 mb: 20.62 C Lifted Index @700 mb: 2.72 C Showalter Index: 3.96 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 23.90 C K Index: 10.70 Risk: None Sweat Index: 64.00 Risk: None Energy Index: 0.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.08 J/kg Max Up Vert Vel: 4.49 m/s Conv Inhibition (B-): 61088.91 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 904.46 mb = 929.06 m = 3048.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 162 at 4 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 1012 3 360 5 -0.0 -5.0 | 352 9 1.2 -8.6 1 1000 103 345 5 1.3 -4.8 | 344 9 2.5 -8.4 2 976 305 310 5 3.8 -3.2 | 324 8 5.0 -6.8 3 940 610 305 5 4.1 -2.9 | 321 8 5.3 -6.4 4 925 746 305 6 4.9 -3.4 | 319 9 6.1 -7.0 5 906 914 295 3 2.7 -1.3 | 321 6 3.9 -4.8 6 873 1219 360 6 -0.0 -6.0 | 353 10 1.2 -9.6 7 850 1432 345 4 1.0 -3.9 | 343 8 2.2 -7.4 8 808 1829 315 5 3.5 -3.5 | 326 9 4.7 -7.1 9 778 2134 175 4 -0.3 4.0 | 243 1 0.8 0.4 10 748 2438 155 11 -4.6 10.0 | 152 7 -3.5 6.4 11 720 2743 140 14 -9.0 10.7 | 132 11 -7.8 7.2 12 700 2964 125 7 -5.7 4.0 | 96 5 -4.6 0.5 13 665 3353 175 2 -0.2 2.0 | 328 2 1.0 -1.6 14 638 3658 170 5 -0.9 4.9 | 193 1 0.3 1.4 15 588 4267 150 5 -2.5 4.3 | 120 2 -1.3 0.8 16 543 4877 100 2 -2.0 0.3 | 14 3 -0.8 -3.2 17 500 5490 60 4 -3.5 -2.0 | 22 6 -2.3 -5.6 18 458 6096 325 3 1.7 -2.5 | 334 7 2.9 -6.0 19 439 6401 30 1 -0.5 -0.9 | 351 4 0.7 -4.4 20 420 6706 145 10 -5.7 8.2 | 135 7 -4.6 4.6 21 402 7010 120 19 -16.5 9.5 | 111 16 -15.3 5.9 22 400 7050 155 13 -5.5 11.8 | 152 9 -4.3 8.2 23 399 7067 160 13 -4.4 12.2 | 159 9 -3.3 8.7 24 385 7315 150 17 -8.5 14.7 | 147 13 -7.3 11.2 25 368 7620 160 16 -5.5 15.0 | 159 12 -4.3 11.5 26 352 7925 155 18 -7.6 16.3 | 153 14 -6.4 12.8 27 300 9020 165 27 -7.0 26.1 | 166 23 -5.8 22.5 28 294 9144 165 27 -7.0 26.1 | 166 23 -5.8 22.5 29 281 9449 180 22 0.0 22.0 | 184 18 1.2 18.4 30 269 9754 165 29 -7.5 28.0 | 165 25 -6.3 24.5 31 257 10058 190 23 4.0 22.7 | 195 20 5.2 19.1 32 250 10240 180 21 0.0 21.0 | 184 17 1.2 17.4 33 245 10363 180 19 0.0 19.0 | 184 15 1.2 15.4 34 234 10668 210 16 8.0 13.9 | 222 14 9.2 10.3 35 214 11278 230 15 11.5 9.6 | 244 14 12.7 6.1 36 204 11582 210 11 5.5 9.5 | 228 9 6.7 6.0 37 200 11720 210 17 8.5 14.7 | 221 15 9.7 11.2 38 186 12192 205 16 6.8 14.5 | 216 14 7.9 10.9 39 169 12802 240 15 13.0 7.5 | 254 15 14.2 3.9 40 154 13411 220 20 12.9 15.3 | 230 18 14.0 11.8 41 150 13600 245 17 15.4 7.2 | 258 17 16.6 3.6 42 140 14021 235 17 13.9 9.8 | 248 16 15.1 6.2 43 134 14326 250 17 16.0 5.8 | 263 17 17.1 2.3 44 128 14630 240 16 13.9 8.0 | 254 16 15.0 4.4 45 122 14935 275 14 13.9 -1.2 | 288 16 15.1 -4.8 46 116 15240 235 14 11.5 8.0 | 251 13 12.6 4.5 47 111 15545 245 18 16.3 7.6 | 257 18 17.5 4.0 48 106 15850 235 19 15.6 10.9 | 246 18 16.7 7.3 49 101 16154 190 7 1.2 6.9 | 216 4 2.4 3.3 50 100 16200 205 15 6.3 13.6 | 217 13 7.5 10.0 51 96 16459 205 15 6.3 13.6 | 217 13 7.5 10.0 52 83 17374 240 23 19.9 11.5 | 249 23 21.1 7.9 53 79 17678 220 24 15.4 18.4 | 228 22 16.6 14.8 54 76 17983 240 19 16.5 9.5 | 251 19 17.6 5.9 55 72 18288 235 16 13.1 9.2 | 249 15 14.3 5.6 56 70 18470 225 17 12.0 12.0 | 237 16 13.2 8.5 57 69 18593 240 21 18.2 10.5 | 250 21 19.4 6.9 58 65 18898 205 15 6.3 13.6 | 217 13 7.5 10.0 59 62 19202 240 11 9.5 5.5 | 260 11 10.7 1.9 60 60 19507 160 10 -3.4 9.4 | 159 6 -2.2 5.8 61 54 20117 205 20 8.5 18.1 | 213 17 9.6 14.6 62 52 20422 250 12 11.3 4.1 | 268 12 12.4 0.5 63 50 20620 220 14 9.0 10.7 | 235 12 10.2 7.2 64 49 20726 210 15 7.5 13.0 | 223 13 8.7 9.4 65 45 21336 265 7 7.0 0.6 | 290 9 8.1 -3.0 66 43 21641 260 10 9.8 1.7 | 279 11 11.0 -1.8 67 33 23165 60 10 -8.7 -5.0 | 41 11 -7.5 -8.6 68 30 23774 0 0 -0.0 -0.0 | 342 4 1.2 -3.6 69 30 23850 190 8 1.4 7.9 | 211 5 2.6 4.3 70 28 24384 210 9 4.5 7.8 | 233 7 5.7 4.2 71 26 24689 285 10 9.7 -2.6 | 300 12 10.8 -6.2 72 23 25603 70 15 -14.1 -5.1 | 56 16 -12.9 -8.7 73 22 25908 125 10 -8.2 5.7 | 107 7 -7.0 2.2 74 20 26450 55 7 -5.7 -4.0 | 31 9 -4.6 -7.6 75 20 26518 15 10 -2.6 -9.7 | 6 13 -1.4 -13.2 76 19 26822 25 12 -5.1 -10.9 | 15 15 -3.9 -14.4 77 17 27432 325 5 2.9 -4.1 | 332 9 4.0 -7.7 78 16 28042 360 10 -0.0 -10.0 | 355 14 1.2 -13.6 79 15 28346 40 11 -7.1 -8.4 | 26 13 -5.9 -12.0 80 12 29870 300 10 8.7 -5.0 | 311 13 9.8 -8.6 81 11 30175 320 10 6.4 -7.7 | 326 14 7.6 -11.2 82 10 31020 335 12 5.1 -10.9 | 337 16 6.2 -14.4 83 7 33440 355 2 0.2 -2.0 | 346 6 1.3 -5.6 Wind Parameters Mean winds (0-6000m): 131.8 at 5.0 knts Storm direction: 161.8 at 3.7 knts Shear (0-3000m) pos: 0.5 neg: 1.8 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 107.0 deg Storm rel helicity (0-3000m) pos: 9.8 neg: -48.2 tot: -38.4 m^2/s^2 ave: -12.8 10^-3 m/s^2 rel: -0.48 Storm rel vorticity (0-3000m) horiz: 8.2 stream: -3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.77 Bulk Shear: 13.06 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 ------------------------------------------------------------------------------- 500 325 5 332 9| 0.0 4.6 4.6| 0.0 -10.5 -10.5 -20.9 -0.99| 4.8 -4.7 1000 314 5 326 8| 0.6 2.3 3.0| 2.0 -11.5 -9.5 -9.5 -0.42| 4.8 -2.0 1500 326 5 333 9| 0.9 1.5 2.5| 9.8 -14.8 -5.0 -3.3 -0.13| 5.4 -0.7 2000 323 5 331 8| 0.7 2.7 3.4| 9.8 -28.6 -18.8 -9.4 -0.38| 6.3 -2.4 2500 314 5 326 9| 0.6 3.4 3.9| 9.8 -34.6 -24.8 -9.9 -0.44| 7.6 -3.4 3000 193 6 224 4| 0.5 1.8 2.2| 9.8 -48.2 -38.4 -12.8 -0.48| 8.2 -3.9 4000 162 6 162 2| 0.3 1.5 1.9| 10.1 -49.2 -39.1 -9.8 -0.49| 7.3 -3.6 5000 152 5 132 2| 0.3 0.8 1.1| 10.3 -51.6 -41.3 -8.3 -0.51| 6.4 -3.3 6000 132 5 85 3| 0.2 0.3 0.5| 10.7 -60.5 -49.9 -8.3 -0.53| 6.0 -3.1 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250426.12.gif