UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 18 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 11.2 8.4 83 2.8 9.7 265 4 283.1 284.3 282.1 302.0 6.82 1 1000 131 10.4 8.2 86 2.2 9.2 250 7 283.5 284.7 282.4 302.4 6.83 2 965 427 7.6 7.6 100 0.0 7.6 231 6 283.6 284.8 282.4 302.4 6.79 3 941 634 6.2 6.2 100 0.0 6.2 220 5 284.3 285.3 282.1 301.8 6.32 4 925 775 6.6 5.7 94 0.9 6.1 280 8 286.1 287.1 282.8 303.5 6.21 5 911 901 6.8 5.9 94 0.9 6.3 298 12 287.5 288.6 283.6 305.6 6.40 6 892 1075 10.6 3.6 62 7.0 6.9 324 13 293.2 294.2 285.1 309.3 5.56 7 888 1113 10.6 3.6 62 7.0 6.9 329 13 293.6 294.6 285.2 309.8 5.58 8 876 1226 10.4 5.4 71 5.0 7.7 346 14 294.5 295.6 286.4 313.1 6.43 9 859 1389 9.6 3.6 66 6.0 6.4 2 13 295.3 296.3 286.1 312.2 5.77 10 850 1477 9.4 -0.6 50 10.0 4.5 10 12 296.0 296.8 284.8 308.7 4.30 11 849 1487 9.4 -2.6 43 12.0 3.8 10 12 296.1 296.8 284.2 307.2 3.72 12 836 1615 9.2 -6.8 32 16.0 2.4 16 14 297.2 297.7 283.6 305.5 2.74 13 829 1684 8.8 -8.2 29 17.0 1.7 19 15 297.5 297.9 283.4 305.1 2.48 14 795 2029 6.8 -16.2 18 23.0 -1.2 15 17 298.9 299.2 282.7 303.2 1.36 15 791 2070 6.4 -11.6 26 18.0 -0.5 13 16 298.9 299.3 283.4 305.1 1.99 16 777 2216 5.2 -10.8 30 16.0 -1.0 8 17 299.2 299.6 283.7 305.8 2.16 17 770 2290 5.0 -14.0 24 19.0 -1.9 5 17 299.7 300.0 283.4 305.0 1.68 18 767 2322 4.8 -10.2 33 15.0 -1.1 4 18 299.9 300.3 284.2 306.9 2.29 19 766 2333 4.6 -9.4 35 14.0 -1.0 4 18 299.8 300.2 284.3 307.3 2.44 20 750 2504 3.0 -10.0 38 13.0 -2.1 358 19 299.8 300.3 284.2 307.2 2.38 21 743 2580 2.2 -3.8 64 6.0 -0.5 356 19 299.8 300.5 285.8 311.5 3.88 22 739 2623 1.8 -3.2 69 5.0 -0.5 354 19 299.8 300.5 286.1 312.1 4.09 23 730 2722 1.8 -8.2 47 10.0 -2.3 351 19 300.8 301.4 285.1 309.5 2.82 24 728 2744 1.8 -10.2 41 12.0 -2.9 350 19 301.1 301.5 284.8 308.6 2.41 25 723 2800 1.6 -10.4 40 12.0 -3.1 348 19 301.5 301.9 284.9 308.9 2.39 26 712 2923 0.4 -7.6 55 8.0 -2.9 342 18 301.5 302.0 285.6 310.8 3.03 27 707 2979 0.0 -4.8 70 4.8 -2.1 339 18 301.6 302.3 286.4 313.2 3.78 28 701 3048 -0.3 -9.3 51 9.0 -3.8 336 18 302.0 302.5 285.4 310.4 2.69 29 700 3059 -0.3 -9.3 51 9.0 -3.8 335 18 302.2 302.6 285.5 310.5 2.70 30 698 3082 -0.3 -12.3 40 12.0 -4.7 335 18 302.4 302.8 284.9 309.1 2.13 31 694 3128 -0.3 -22.3 17 22.0 -6.6 334 19 302.9 303.1 283.8 305.9 0.92 32 690 3174 -0.5 -16.5 29 16.0 -5.8 334 20 303.2 303.5 284.6 308.0 1.52 33 684 3244 -0.7 -27.7 11 27.0 -7.5 333 21 303.7 303.8 283.7 305.6 0.57 34 679 3302 -1.1 -31.1 8 30.0 -8.1 333 22 303.9 304.0 283.5 305.3 0.42 35 656 3577 -2.5 -15.5 36 13.0 -6.9 331 26 305.3 305.7 285.7 310.9 1.74 36 614 4100 -4.5 -23.5 21 19.0 -9.8 350 30 308.9 309.0 286.0 312.0 0.94 37 593 4373 -6.5 -22.5 27 16.0 -11.0 351 35 309.6 309.8 286.5 313.2 1.06 38 572 4654 -7.7 -26.7 20 19.0 -12.4 353 38 311.4 311.6 286.8 314.0 0.75 39 560 4819 -8.5 -21.5 34 13.0 -12.2 354 39 312.4 312.6 287.6 316.5 1.22 40 533 5201 -10.1 -24.1 31 14.0 -13.8 350 47 314.9 315.1 288.2 318.4 1.02 41 526 5303 -10.7 -25.7 28 15.0 -14.5 348 44 315.4 315.6 288.2 318.5 0.90 42 500 5690 -14.3 -25.3 39 11.0 -17.0 350 41 315.6 315.8 288.4 319.0 0.98 43 484 5936 -16.5 -25.5 46 9.0 -18.6 353 43 315.8 316.0 288.5 319.2 0.99 44 450 6479 -20.9 -28.9 49 8.0 -22.5 353 45 317.0 317.1 288.6 319.7 0.78 45 442 6611 -21.3 -32.3 36 11.0 -23.2 353 45 318.1 318.2 288.8 320.1 0.57 46 431 6797 -22.7 -35.7 30 13.0 -24.7 352 45 318.6 318.7 288.8 320.1 0.42 47 400 7340 -26.9 -39.9 28 13.0 -28.5 350 44 320.0 320.1 289.1 321.1 0.30 48 392 7485 -27.9 -40.9 28 13.0 -29.4 355 47 320.6 320.6 289.2 321.6 0.27 49 370 7898 -31.1 -42.1 33 11.0 -32.2 359 52 321.7 321.7 289.5 322.6 0.25 50 359 8111 -32.9 -44.9 29 12.0 -34.0 358 54 322.0 322.1 289.6 322.8 0.19 51 356 8170 -33.1 -47.1 23 14.0 -34.3 358 55 322.5 322.6 289.7 323.1 0.15 52 348 8329 -34.5 -45.5 32 11.0 -35.4 358 56 322.8 322.8 289.8 323.5 0.19 53 345 8389 -35.1 -47.1 28 12.0 -36.0 358 57 322.7 322.8 289.8 323.3 0.16 54 335 8594 -36.5 -45.5 39 9.0 -37.2 357 59 323.6 323.6 290.0 324.3 0.20 55 332 8656 -36.7 -48.7 28 12.0 -37.5 357 60 324.1 324.1 290.2 324.6 0.14 56 300 9350 -42.1 -56.1 20 14.0 -42.7 355 67 326.0 326.0 290.6 326.3 0.06 57 250 10550 -52.3 -59.3 43 7.0 -52.5 360 70 328.3 328.3 291.3 328.5 0.05 58 200 11960 -63.5 -71.5 33 8.0 -63.6 5 75 332.2 332.2 292.3 332.3 0.01 59 186 12403 -66.0 -74.0 32 8.0 -66.0 5 80 335.2 335.2 293.1 335.2 0.01 60 183 12501 -66.5 -74.5 32 8.0 -66.5 5 75 335.9 335.9 293.3 335.9 0.01 61 150 13710 -64.3 -80.3 9 16.0 -64.4 335 49 359.3 359.3 298.5 359.3 0.00 62 100 16210 -60.5 -86.5 2 26.0 -60.8 320 30 410.8 410.8 306.6 410.8 0.00 63 92 16730 -59.9 -86.9 2 27.0 -60.2 320 29 421.9 421.9 307.9 421.9 0.00 64 85 17221 -62.5 -87.5 2 25.0 -62.7 300 32 426.3 426.3 308.4 426.3 0.00 65 84 17294 -60.5 -87.5 2 27.0 -60.8 302 34 431.8 431.8 309.0 431.8 0.00 66 81 17522 -59.1 -87.1 1 28.0 -59.5 320 32 439.2 439.2 309.8 439.2 0.00 67 80 17599 -59.1 -87.1 1 28.0 -59.5 327 29 440.8 440.8 310.0 440.8 0.00 68 74 18085 -61.7 -87.7 2 26.0 -62.0 323 16 445.3 445.3 310.4 445.3 0.00 69 70 18430 -60.7 -87.7 2 27.0 -61.1 285 22 454.5 454.5 311.3 454.5 0.00 70 65 18892 -59.9 -87.9 1 28.0 -60.3 290 23 466.0 466.0 312.3 466.0 0.00 71 62 19189 -56.9 -86.9 1 30.0 -57.6 295 25 479.0 479.0 313.4 479.0 0.00 72 58 19611 -57.7 -86.7 1 29.0 -58.3 281 21 486.4 486.4 314.0 486.4 0.00 73 51 20424 -56.5 -86.5 1 30.0 -57.3 285 11 507.5 507.5 315.5 507.5 0.00 74 50 20550 -56.7 -86.7 1 30.0 -57.5 270 17 509.9 509.9 315.7 509.9 0.00 75 40 21955 -58.9 -87.9 1 29.0 -59.7 186 14 537.9 537.9 317.4 538.0 0.00 76 36 22618 -57.5 -87.5 1 30.0 -58.5 217 13 558.0 558.0 318.5 558.0 0.01 77 34 22977 -58.7 -87.7 1 29.0 -59.6 229 16 564.1 564.1 318.9 564.1 0.01 78 33 23165 -57.1 -88.1 1 31.0 -58.3 236 17 573.1 573.1 319.3 573.2 0.00 79 30 23770 -55.5 -86.5 1 31.0 -57.0 55 2 593.3 593.3 320.3 593.4 0.01 80 29 23987 -54.5 -86.5 1 32.0 -56.2 344 3 601.9 601.9 320.7 601.9 0.01 81 26 24688 -55.5 -86.5 1 31.0 -57.2 63 7 618.1 618.1 321.4 618.2 0.01 82 21 26063 -52.3 -85.3 1 33.0 -55.1 307 8 666.7 666.7 323.3 666.8 0.01 83 21 26063 -52.5 -85.5 1 33.0 -55.2 307 8 666.1 666.1 323.3 666.2 0.01 84 20 26380 -51.9 -83.9 1 32.0 -54.8 10 4 677.3 677.3 323.7 677.4 0.02 85 19 26712 -52.7 -84.7 1 32.0 -55.5 73 7 684.8 684.8 323.9 685.0 0.02 86 16 27829 -49.7 -83.7 1 34.0 -53.9 327 4 729.1 729.1 325.3 729.3 0.02 87 15 28250 -50.7 -84.7 1 34.0 -54.7 273 7 739.4 739.4 325.6 739.5 0.02 88 13 29192 -46.1 -82.1 1 36.0 -52.3 211 14 786.2 786.2 326.9 786.5 0.04 89 12 29723 -46.9 -81.9 1 35.0 -53.0 220 14 801.6 801.6 327.3 801.9 0.04 90 10 30940 -43.5 -81.5 1 38.0 -52.0 245 13 857.2 857.2 328.5 857.7 0.05 91 7.9 32542 -39.7 -79.7 1 40.0 -51.3 318 7 932.1 932.2 330.0 933.1 0.09 92 7.7 32717 -40.7 -79.7 1 39.0 -51.8 326 6 935.0 935.0 330.1 936.0 0.09 93 7.0 33370 -38.5 -79.5 1 41.0 -51.4 355 4 969.9 970.0 330.7 971.1 0.10 94 6.9 33469 -37.5 -78.5 1 41.0 -51.1 978.0 978.1 330.8 979.5 0.12 95 6.4 33987 -38.9 -78.9 1 40.0 -52.0 993.4 993.4 331.1 994.8 0.12 96 6.1 34318 -35.7 -77.7 1 42.0 -51.1 1020.9 1021.0 331.5 1022.8 0.16 97 5.9 34550 -36.5 -78.5 1 42.0 -51.5 1027.2 1027.3 331.6 1028.9 0.14 98 5.7 34790 -35.1 -78.1 0 43.0 -51.2 1043.5 1043.6 331.9 1045.4 0.16 TRP 183 12501 -66.5 -74.5 32 8.0 -66.5 5 75 335.9 335.9 293.3 335.9 0.01 WND 186 12403 -66.0 -74.0 32 8.0 -66.0 5 80 335.2 335.2 293.1 335.2 0.01 Sounding variables and indices 1000-500 mb thick: 5559.00 m Freezing level: 707.00 mb = 2979.38 m = 9774.76 ft Wetbulb zero: 808.64 mb = 1888.83 m = 6196.87 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 44.63 % Est. max temperature: 23.13 C = 73.63 F Sfc-Lift cond lev (LCL): 972.91 mb = 358.85 m = 1177.33 ft T: 8.24 C 700-500 lapse rate: 5.32 C/km ThetaE index: 9.93 C Layer 859.0- 791.0 mb Conv cond level (CCL): 955.44 mb = 508.64 m = 1668.75 ft Mean mixing ratio: 6.61 g/kg Conv temperature: 11.94 C = 53.48 F Cap Strength: 13.42 C Lifted Index: 12.90 C Risk: None Lifted Index @300 mb: 16.77 C Lifted Index @700 mb: 7.71 C Showalter Index: 8.82 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 13.70 C K Index: 14.10 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.60 J/kg Max Up Vert Vel: 5.02 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 13.34 C Lift Cond Lev (LCL): 950.62 mb = 550.26 m = 1805.28 ft Lev Free Conv (LFC): 945.62 mb = 593.69 m = 1947.77 ft Equ Level (EL): 935.62 mb = 681.15 m = 2234.72 ft B at Equ Level: 12.28 J/kg Max Parcel Lev (MPL): 905.62 mb = 949.64 m = 3115.57 ft Wind level data Storm motion: 18 at 18 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 3 265 4 4.0 0.3 | 209 20 9.5 17.5 1 1000 131 250 7 6.6 2.4 | 212 23 12.1 19.5 2 979 305 245 7 6.3 3.0 | 211 23 11.9 20.1 3 944 610 210 4 2.0 3.5 | 200 22 7.6 20.6 4 925 775 280 8 7.9 -1.4 | 220 21 13.4 15.7 5 910 914 300 12 10.4 -6.0 | 235 19 15.9 11.1 6 877 1219 345 14 3.6 -13.5 | 249 10 9.2 3.6 7 850 1477 10 12 -2.1 -11.8 | 213 6 3.5 5.3 8 814 1829 25 18 -7.6 -16.3 | 112 2 -2.1 0.8 9 784 2134 10 16 -2.8 -15.8 | 244 3 2.8 1.4 10 755 2438 360 19 -0.0 -19.0 | 289 6 5.6 -1.9 11 728 2743 350 19 3.3 -18.7 | 280 9 8.9 -1.6 12 700 3059 335 18 7.6 -16.3 | 266 13 13.2 0.8 13 648 3658 330 27 13.5 -23.4 | 288 20 19.1 -6.2 14 624 3962 350 27 4.7 -26.6 | 313 14 10.2 -9.5 15 600 4267 350 34 5.9 -33.5 | 325 20 11.5 -16.3 16 555 4877 355 40 3.5 -39.8 | 338 24 9.0 -22.7 17 534 5182 350 47 8.2 -46.3 | 335 32 13.7 -29.1 18 513 5486 345 39 10.1 -37.7 | 323 26 15.7 -20.5 19 500 5690 350 41 7.1 -40.4 | 331 26 12.7 -23.2 20 473 6096 355 45 3.9 -44.8 | 341 29 9.5 -27.7 21 401 7315 350 45 7.8 -44.3 | 334 30 13.4 -27.2 22 400 7340 350 44 7.6 -43.3 | 333 29 13.2 -26.2 23 384 7620 360 49 -0.0 -49.0 | 350 32 5.6 -31.9 24 309 9144 355 65 5.7 -64.8 | 347 49 11.2 -47.6 25 300 9350 355 67 5.8 -66.7 | 347 51 11.4 -49.6 26 250 10550 360 70 -0.0 -70.0 | 354 53 5.6 -52.9 27 223 11278 5 74 -6.4 -73.7 | 1 57 -0.9 -56.6 28 200 11960 5 75 -6.5 -74.7 | 1 58 -1.0 -57.6 29 186 12403 5 80 -7.0 -79.7 | 1 63 -1.4 -62.6 30 183 12497 5 80 -7.0 -79.7 | 1 63 -1.4 -62.6 31 183 12501 5 75 -6.5 -74.7 | 1 58 -1.0 -57.6 32 150 13710 335 49 20.7 -44.4 | 316 38 26.3 -27.3 33 143 14021 350 56 9.7 -55.1 | 338 41 15.3 -38.0 34 136 14326 5 42 -3.7 -41.8 | 356 25 1.9 -24.7 35 129 14630 345 32 8.3 -30.9 | 315 20 13.8 -13.8 36 123 14935 320 37 23.8 -28.3 | 291 31 29.3 -11.2 37 117 15240 315 43 30.4 -30.4 | 290 38 36.0 -13.3 38 111 15545 315 48 33.9 -33.9 | 293 43 39.5 -16.8 39 100 16210 320 30 19.3 -23.0 | 283 26 24.8 -5.8 40 96 16459 320 30 19.3 -23.0 | 283 26 24.8 -5.8 41 91 16764 320 29 18.6 -22.2 | 282 25 24.2 -5.1 42 87 17069 295 27 24.5 -11.4 | 259 31 30.0 5.7 43 83 17374 305 37 30.3 -21.2 | 276 36 35.9 -4.1 44 79 17678 335 26 11.0 -23.6 | 291 18 16.5 -6.4 45 75 17983 335 15 6.3 -13.6 | 253 12 11.9 3.5 46 72 18288 300 19 16.5 -9.5 | 251 23 22.0 7.6 47 70 18430 285 22 21.3 -5.7 | 247 29 26.8 11.4 48 68 18593 285 22 21.3 -5.7 | 247 29 26.8 11.4 49 62 19202 295 25 22.7 -10.6 | 257 29 28.2 6.6 50 56 19812 275 19 18.9 -1.7 | 238 29 24.5 15.5 51 54 20117 310 18 13.8 -11.6 | 254 20 19.3 5.6 52 51 20422 285 11 10.6 -2.8 | 229 22 16.2 14.3 53 50 20550 270 17 17.0 -0.0 | 233 28 22.6 17.1 54 49 20726 270 15 15.0 -0.0 | 230 27 20.6 17.1 55 46 21031 310 13 10.0 -8.4 | 240 18 15.5 8.8 56 44 21336 315 7 4.9 -4.9 | 221 16 10.5 12.2 57 42 21641 235 2 1.6 1.1 | 201 20 7.2 18.3 58 40 21946 185 14 1.2 13.9 | 192 32 6.8 31.1 59 38 22250 205 10 4.2 9.1 | 200 28 9.8 26.2 60 33 23165 235 17 13.9 9.8 | 216 33 19.5 26.9 61 31 23470 275 12 12.0 -1.0 | 227 24 17.5 16.1 62 30 23770 55 2 -1.6 -1.1 | 194 16 3.9 16.0 63 30 23774 305 10 8.2 -5.7 | 230 18 13.7 11.4 64 29 24079 0 0 -0.0 -0.0 | 198 18 5.6 17.1 65 27 24384 25 2 -0.8 -1.8 | 197 16 4.7 15.3 66 25 24994 100 12 -11.8 2.1 | 162 20 -6.3 19.2 67 24 25298 195 14 3.6 13.5 | 197 32 9.2 30.7 68 22 25908 275 10 10.0 -0.9 | 224 22 15.5 16.3 69 20 26380 10 4 -0.7 -3.9 | 200 14 4.9 13.2 70 18 27127 150 10 -5.0 8.7 | 181 26 0.6 25.8 71 17 27432 20 1 -0.3 -0.9 | 198 17 5.2 16.2 72 14 28651 225 10 7.1 7.1 | 208 27 12.6 24.2 73 13 29261 210 14 7.0 12.1 | 203 32 12.6 29.3 74 10 30940 245 13 11.8 5.5 | 217 29 17.3 22.6 75 7 33370 355 4 0.3 -4.0 | 204 14 5.9 13.2 Wind Parameters Mean winds (0-6000m): 348.0 at 24.0 knts Storm direction: 18.0 at 18.0 knts Shear (0-3000m) pos: 3.7 neg: 2.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 59.9 deg Storm rel helicity (0-3000m) pos: 96.4 neg: -46.3 tot: 50.1 m^2/s^2 ave: 16.7 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 90.61 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 ------------------------------------------------------------------------------- 500 245 6 209 23| 0.0 3.5 3.5| 5.9 -20.5 -14.6 -29.1 -0.33| 7.1 -2.4 1000 264 7 215 22| 7.0 1.8 8.8| 85.0 -27.2 57.8 57.8 0.45| 12.6 5.6 1500 305 9 227 18| 5.8 1.2 7.0| 92.7 -36.0 56.7 37.8 0.22| 13.1 2.9 2000 340 11 233 12| 5.5 0.9 6.4| 93.2 -38.4 54.8 27.4 0.14| 12.1 1.7 2500 350 12 236 9| 4.4 1.0 5.4| 96.4 -38.4 58.0 23.2 0.19| 11.0 2.1 3000 350 13 243 9| 3.7 2.0 5.6| 96.4 -46.3 50.1 16.7 0.12| 10.3 1.3 4000 344 16 260 10| 3.8 2.1 5.9|154.2 -46.3 107.9 27.0 0.26| 10.1 2.7 5000 347 20 284 10| 4.5 1.7 6.1|197.1 -49.8 147.3 29.5 0.30| 9.7 2.9 6000 348 24 301 12| 4.4 1.8 6.1|248.8-102.7 146.1 24.3 0.25| 9.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250418.12.gif