UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 15 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 12.0 9.9 87 2.1 10.8 295 7 283.9 285.2 283.3 304.8 7.56 1 1000 129 10.8 9.4 91 1.4 10.0 280 6 284.0 285.2 283.2 304.4 7.41 2 968 399 8.6 8.4 99 0.2 8.5 240 4 284.4 285.6 283.1 304.2 7.16 3 932 712 7.0 7.0 100 0.0 7.0 258 6 285.8 287.0 283.3 304.7 6.75 4 930 730 7.6 6.7 94 0.9 7.1 263 6 286.6 287.8 283.5 305.2 6.63 5 928 748 9.4 7.3 87 2.1 8.2 268 7 288.7 289.9 284.7 308.2 6.92 6 925 775 12.4 5.4 62 7.0 8.6 275 7 292.0 293.1 285.1 309.5 6.08 7 922 802 14.6 -5.4 25 20.0 5.7 272 6 294.5 295.0 282.5 302.8 2.77 8 916 858 17.4 -2.6 25 20.0 7.7 266 5 297.9 298.6 284.7 308.3 3.44 9 913 886 17.4 3.4 39 14.0 9.8 263 5 298.2 299.2 286.8 314.1 5.35 10 898 1027 18.0 0.0 30 18.0 8.7 221 4 300.2 301.0 286.4 313.1 4.26 11 892 1085 17.8 -1.2 27 19.0 8.2 201 4 300.6 301.3 286.2 312.5 3.92 12 884 1162 17.6 -1.4 27 19.0 8.0 175 4 301.2 301.9 286.4 313.0 3.90 13 852 1475 15.4 -13.6 12 29.0 3.9 215 4 302.1 302.4 284.2 307.1 1.57 14 850 1495 15.4 -12.6 13 28.0 4.1 220 4 302.3 302.6 284.4 307.7 1.71 15 841 1585 14.4 -12.6 14 27.0 3.5 205 4 302.1 302.5 284.4 307.6 1.72 16 826 1736 12.8 -3.2 33 16.0 5.1 181 5 302.0 302.7 286.5 313.2 3.65 17 824 1757 12.8 -2.2 35 15.0 5.4 178 5 302.2 303.0 286.8 314.3 3.95 18 795 2056 11.0 -7.0 28 18.0 2.9 132 9 303.4 303.9 286.1 312.2 2.84 19 742 2627 7.2 -7.8 33 15.0 0.7 136 15 305.3 305.9 286.8 314.3 2.86 20 700 3103 3.0 -9.0 41 12.0 -2.0 130 18 305.8 306.3 286.9 314.5 2.76 21 641 3809 -2.9 -10.9 54 8.0 -6.0 139 20 306.9 307.4 287.1 315.1 2.60 22 634 3896 -3.7 -12.7 50 9.0 -7.0 138 20 307.0 307.4 286.8 314.2 2.27 23 623 4034 -4.7 -12.7 54 8.0 -7.6 137 20 307.4 307.8 287.0 314.7 2.31 24 593 4421 -7.5 -18.5 41 11.0 -10.9 137 19 308.5 308.8 286.5 313.4 1.50 25 565 4795 -11.1 -21.1 43 10.0 -13.8 143 16 308.5 308.8 286.3 312.7 1.26 26 543 5099 -13.9 -19.9 60 6.0 -15.6 138 15 308.7 309.0 286.5 313.5 1.45 27 533 5240 -14.9 -22.9 50 8.0 -16.9 137 15 309.2 309.4 286.4 312.9 1.14 28 500 5720 -19.3 -24.0 66 4.7 -20.4 140 19 309.5 309.7 286.5 313.2 1.10 29 490 5869 -20.7 -24.1 74 3.4 -21.4 136 19 309.6 309.8 286.5 313.3 1.11 30 489 5884 -20.9 -24.6 72 3.7 -21.7 136 19 309.5 309.7 286.4 313.1 1.06 31 485 5945 -21.3 -23.3 84 2.0 -21.7 137 19 309.8 310.0 286.6 313.8 1.21 32 478 6051 -22.1 -23.3 90 1.2 -22.4 139 19 310.1 310.3 286.8 314.1 1.22 33 470 6174 -23.1 -24.9 85 1.8 -23.5 143 18 310.3 310.5 286.7 313.9 1.08 34 454 6426 -25.7 -25.8 99 0.1 -25.7 154 16 310.1 310.3 286.6 313.6 1.03 35 450 6490 -26.3 -26.6 97 0.3 -26.3 150 16 310.2 310.4 286.5 313.4 0.97 36 448 6522 -26.3 -29.4 75 3.1 -26.8 148 17 310.6 310.7 286.4 313.1 0.75 37 438 6684 -27.3 -28.6 89 1.3 -27.5 137 17 311.3 311.5 286.8 314.1 0.82 38 436 6717 -27.5 -30.7 74 3.2 -28.0 135 18 311.5 311.6 286.6 313.8 0.68 39 434 6750 -27.7 -31.7 69 4.0 -28.3 133 18 311.6 311.7 286.6 313.8 0.62 40 432 6783 -27.7 -31.9 67 4.2 -28.3 130 18 312.0 312.2 286.8 314.2 0.61 41 430 6816 -27.5 -36.5 42 9.0 -28.6 128 18 312.7 312.8 286.8 314.1 0.39 42 424 6917 -28.1 -38.1 38 10.0 -29.3 122 19 313.2 313.3 286.9 314.4 0.34 43 403 7277 -31.3 -39.3 45 8.0 -32.1 132 17 313.6 313.7 287.0 314.8 0.31 44 400 7330 -31.9 -39.9 45 8.0 -32.7 135 16 313.5 313.6 286.9 314.6 0.30 45 399 7348 -32.1 -41.1 40 9.0 -33.0 135 16 313.5 313.5 286.9 314.4 0.26 46 391 7490 -33.5 -41.5 44 8.0 -34.2 138 17 313.5 313.5 286.9 314.4 0.26 47 387 7562 -33.9 -38.9 61 5.0 -34.4 139 17 313.9 313.9 287.1 315.1 0.34 48 370 7875 -36.7 -39.5 75 2.8 -37.0 142 19 314.2 314.3 287.2 315.4 0.33 49 363 8007 -38.1 -40.6 77 2.5 -38.3 143 19 314.1 314.1 287.1 315.2 0.30 50 353 8199 -39.7 -43.7 66 4.0 -40.0 145 21 314.4 314.5 287.2 315.3 0.23 51 330 8655 -43.9 -45.7 82 1.8 -44.0 128 20 314.8 314.8 287.2 315.5 0.19 52 328 8696 -44.1 -49.1 57 5.0 -44.3 126 20 315.1 315.1 287.3 315.6 0.13 53 323 8799 -44.7 -53.7 36 9.0 -45.0 122 19 315.6 315.6 287.4 315.9 0.08 54 320 8861 -45.1 -54.1 36 9.0 -45.4 121 19 315.9 315.9 287.5 316.2 0.08 55 300 9290 -47.5 -64.5 12 17.0 -47.9 175 16 318.4 318.4 288.2 318.5 0.02 56 250 10490 -51.9 -71.9 7 20.0 -52.2 205 19 328.9 328.9 291.4 328.9 0.01 57 200 11910 -57.3 -72.3 13 15.0 -57.5 205 10 342.0 342.0 294.8 342.1 0.01 58 188 12299 -59.1 -76.1 9 17.0 -59.3 190 16 345.2 345.2 295.6 345.3 0.01 59 150 13730 -54.5 -84.5 1 30.0 -54.9 230 26 376.2 376.2 301.6 376.2 0.00 60 100 16290 -61.7 -88.7 2 27.0 -61.9 215 30 408.5 408.5 306.3 408.5 0.00 61 99 16352 -61.1 -89.1 1 28.0 -61.4 215 30 410.9 410.9 306.6 410.9 0.00 62 89 17012 -62.7 -89.7 1 27.0 -62.9 215 35 420.4 420.4 307.7 420.4 0.00 63 88 17082 -61.1 -89.1 1 28.0 -61.4 216 35 424.9 424.9 308.3 424.9 0.00 64 82 17522 -60.3 -88.3 1 28.0 -60.6 248 23 435.2 435.2 309.4 435.2 0.00 65 78 17833 -62.7 -89.7 1 27.0 -63.0 250 23 436.5 436.5 309.5 436.5 0.00 66 71 18412 -62.9 -89.9 1 27.0 -63.2 220 16 448.0 448.0 310.7 448.0 0.00 67 70 18500 -62.5 -89.5 1 27.0 -62.8 195 14 450.7 450.7 310.9 450.7 0.00 68 67 18769 -62.9 -89.9 1 27.0 -63.2 240 16 455.5 455.5 311.4 455.5 0.00 69 64 19053 -60.1 -89.1 1 29.0 -60.6 233 17 467.6 467.6 312.4 467.7 0.00 70 60 19454 -60.7 -89.7 1 29.0 -61.2 210 11 475.0 475.0 313.1 475.0 0.00 71 54 20111 -58.7 -88.7 1 30.0 -59.3 259 14 494.2 494.2 314.5 494.2 0.00 72 50 20590 -61.7 -89.7 1 28.0 -62.1 265 17 498.1 498.1 314.8 498.1 0.00 73 37 22471 -57.9 -88.9 1 31.0 -58.9 350 10 552.6 552.6 318.2 552.7 0.00 74 33 23190 -59.3 -89.3 1 30.0 -60.2 356 4 567.3 567.3 319.0 567.3 0.00 75 30 23790 -57.1 -89.1 1 32.0 -58.4 65 17 589.0 589.0 320.1 589.0 0.00 76 28 24227 -58.3 -89.3 1 31.0 -59.5 82 15 597.4 597.4 320.5 597.4 0.00 77 24 25207 -55.3 -88.3 1 33.0 -57.2 159 12 633.0 633.0 322.0 633.1 0.01 78 23 25479 -55.7 -88.7 1 33.0 -57.5 207 11 639.6 639.6 322.3 639.6 0.01 79 22 25765 -53.1 -88.1 1 35.0 -55.6 270 10 655.5 655.5 322.9 655.6 0.01 80 21 26065 -53.9 -87.9 1 34.0 -56.3 321 10 661.9 661.9 323.2 661.9 0.01 81 20 26380 -53.1 -88.1 1 35.0 -55.8 80 9 673.6 673.6 323.6 673.7 0.01 82 17 27430 -51.7 -86.7 1 35.0 -55.1 2 10 710.2 710.2 324.7 710.3 0.01 83 16 27823 -52.5 -86.5 1 34.0 -55.8 33 8 720.0 720.0 325.1 720.1 0.01 84 16 27823 -50.3 -86.3 1 36.0 -54.3 33 8 727.2 727.2 325.3 727.3 0.01 85 12 29717 -46.3 -85.3 0 39.0 -52.7 337 8 803.7 803.7 327.3 803.9 0.02 86 12 29717 -46.3 -85.3 0 39.0 -52.7 337 8 803.7 803.7 327.3 803.9 0.02 87 11 30298 -43.3 -83.3 0 40.0 -51.4 315 5 834.8 834.9 328.1 835.2 0.03 88 11 30298 -43.3 -83.3 0 40.0 -51.4 315 5 834.8 834.9 328.1 835.2 0.03 89 10 30940 -43.3 -83.3 0 40.0 -51.8 270 13 857.9 857.9 328.5 858.3 0.04 90 10 30940 -43.1 -83.1 0 40.0 -51.8 270 13 858.7 858.7 328.6 859.0 0.04 91 10 30940 -42.9 -82.9 0 40.0 -51.7 270 13 859.4 859.4 328.6 859.8 0.04 92 10 30940 -42.7 -82.7 0 40.0 -51.5 270 13 860.2 860.2 328.6 860.6 0.04 93 9.7 31144 -43.9 -83.9 0 40.0 -52.3 271 13 863.2 863.2 328.7 863.5 0.04 94 8.7 31878 -40.7 -81.7 0 41.0 -51.2 276 14 902.9 902.9 329.5 903.5 0.06 95 7.9 32530 -42.5 -83.5 0 41.0 -52.5 280 14 920.9 921.0 329.8 921.4 0.05 96 7.1 33253 -40.5 -81.5 0 41.0 -52.2 284 15 957.7 957.8 330.5 958.5 0.07 97 7.0 33350 -38.9 -80.9 0 42.0 -51.6 285 15 968.2 968.3 330.7 969.2 0.08 98 5.9 34529 -36.5 -79.5 0 43.0 -51.6 1027.2 1027.2 331.6 1028.6 0.12 TRP 188 12299 -59.1 -76.1 9 17.0 -59.3 190 16 345.2 345.2 295.6 345.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5591.00 m Freezing level: 670.00 mb = 3461.94 m = 11357.93 ft Wetbulb zero: 731.42 mb = 2744.68 m = 9004.74 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 47.87 % Est. max temperature: 29.85 C = 85.73 F Sfc-Lift cond lev (LCL): 983.38 mb = 268.36 m = 880.44 ft T: 9.67 C 700-500 lapse rate: 8.52 C/km ThetaE index: 6.68 C Layer 922.0- 916.0 mb Conv cond level (CCL): 932.28 mb = 709.94 m = 2329.18 ft Mean mixing ratio: 6.75 g/kg Conv temperature: 13.90 C = 57.03 F Cap Strength: 12.95 C Lifted Index: 6.34 C Risk: None Lifted Index @300 mb: 9.73 C Lifted Index @700 mb: 9.72 C Showalter Index: 4.47 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 34.70 C Cross Totals Index: 6.70 C K Index: 10.10 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.05 J/kg Max Up Vert Vel: 8.37 m/s Conv Inhibition (B-): 65472.00 J/kg Cap Strength: 12.88 C Lift Cond Lev (LCL): 930.33 mb = 727.25 m = 2385.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 10 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 3 295 7 6.3 -3.0 | 329 15 7.7 -12.9 1 1000 129 280 6 5.9 -1.0 | 327 13 7.2 -11.0 2 979 305 245 3 2.7 1.3 | 335 10 4.1 -8.7 3 944 610 230 5 3.8 3.2 | 322 8 5.2 -6.7 4 925 775 275 7 7.0 -0.6 | 322 13 8.3 -10.5 5 910 914 260 4 3.9 0.7 | 330 11 5.3 -9.2 6 878 1219 155 4 -1.7 3.6 | 3 6 -0.4 -6.3 7 850 1495 220 4 2.6 3.1 | 330 8 3.9 -6.9 8 816 1829 165 5 -1.3 4.8 | 360 5 0.0 -5.1 9 787 2134 120 11 -9.5 5.5 | 62 9 -8.2 -4.4 10 758 2438 130 13 -10.0 8.4 | 80 9 -8.6 -1.6 11 731 2743 140 16 -10.3 12.3 | 105 9 -9.0 2.3 12 705 3048 130 17 -13.0 10.9 | 95 12 -11.7 1.0 13 700 3103 130 18 -13.8 11.6 | 98 13 -12.5 1.7 14 678 3353 140 24 -15.4 18.4 | 121 16 -14.1 8.5 15 652 3658 140 20 -12.9 15.3 | 115 13 -11.5 5.4 16 603 4267 135 20 -14.1 14.1 | 108 13 -12.8 4.2 17 557 4877 145 15 -8.6 12.3 | 108 8 -7.3 2.4 18 536 5182 135 15 -10.6 10.6 | 94 9 -9.3 0.7 19 515 5486 150 17 -8.5 14.7 | 124 9 -7.2 4.8 20 500 5720 140 19 -12.2 14.6 | 113 12 -10.9 4.6 21 495 5791 135 19 -13.4 13.4 | 106 13 -12.1 3.5 22 475 6096 140 19 -12.2 14.6 | 113 12 -10.9 4.6 23 455 6401 155 16 -6.8 14.5 | 130 7 -5.4 4.6 24 418 7010 115 19 -17.2 8.0 | 83 16 -15.9 -1.9 25 400 7330 135 16 -11.3 11.3 | 98 10 -10.0 1.4 26 383 7620 140 17 -10.9 13.0 | 108 10 -9.6 3.1 27 351 8230 145 21 -12.0 17.2 | 124 13 -10.7 7.3 28 321 8839 120 19 -16.5 9.5 | 88 15 -15.1 -0.4 29 306 9144 150 17 -8.5 14.7 | 124 9 -7.2 4.8 30 300 9290 175 16 -1.4 15.9 | 179 6 -0.1 6.0 31 293 9449 190 15 2.6 14.8 | 219 6 3.9 4.9 32 267 10058 185 17 1.5 16.9 | 202 8 2.8 7.0 33 250 10490 205 19 8.0 17.2 | 232 12 9.4 7.3 34 221 11278 235 15 12.3 8.6 | 276 14 13.6 -1.3 35 211 11582 210 19 9.5 16.5 | 239 13 10.8 6.5 36 201 11887 220 12 7.7 9.2 | 275 9 9.0 -0.7 37 200 11910 205 10 4.2 9.1 | 279 6 5.6 -0.9 38 191 12192 190 10 1.7 9.8 | 271 3 3.1 -0.1 39 188 12299 190 16 2.8 15.8 | 215 7 4.1 5.8 40 174 12802 195 22 5.7 21.3 | 212 13 7.0 11.3 41 158 13411 190 18 3.1 17.7 | 210 9 4.5 7.8 42 150 13716 215 32 18.4 26.2 | 230 26 19.7 16.3 43 150 13730 230 26 19.9 16.7 | 252 22 21.2 6.8 44 143 14021 230 25 19.2 16.1 | 253 21 20.5 6.2 45 136 14326 210 26 13.0 22.5 | 229 19 14.3 12.6 46 118 15240 210 25 12.5 21.7 | 230 18 13.8 11.7 47 113 15545 220 21 13.5 16.1 | 247 16 14.8 6.2 48 102 16154 200 28 9.6 26.3 | 214 20 10.9 16.4 49 100 16290 215 30 17.2 24.6 | 232 24 18.5 14.7 50 97 16459 215 30 17.2 24.6 | 232 24 18.5 14.7 51 88 17069 215 35 20.1 28.7 | 229 28 21.4 18.8 52 80 17678 260 19 18.7 3.3 | 288 21 20.0 -6.6 53 76 17983 240 27 23.4 13.5 | 262 25 24.7 3.6 54 72 18288 255 19 18.4 4.9 | 284 20 19.7 -5.0 55 70 18500 195 14 3.6 13.5 | 234 6 5.0 3.6 56 69 18593 255 10 9.7 2.6 | 304 13 11.0 -7.3 57 66 18898 230 20 15.3 12.9 | 260 17 16.7 2.9 58 63 19202 235 15 12.3 8.6 | 276 14 13.6 -1.3 59 60 19507 205 10 4.2 9.1 | 279 6 5.6 -0.9 60 57 19812 220 21 13.5 16.1 | 247 16 14.8 6.2 61 54 20117 260 14 13.8 2.4 | 296 17 15.1 -7.5 62 51 20422 275 13 13.0 -1.1 | 308 18 14.3 -11.1 63 50 20590 265 17 16.9 1.5 | 295 20 18.3 -8.4 64 49 20726 250 19 17.9 6.5 | 280 19 19.2 -3.4 65 47 21031 295 10 9.1 -4.2 | 324 18 10.4 -14.1 66 44 21336 265 7 7.0 0.6 | 318 12 8.3 -9.3 67 40 21946 310 10 7.7 -6.4 | 331 19 9.0 -16.3 68 38 22250 350 10 1.7 -9.8 | 351 20 3.1 -19.8 69 37 22555 350 10 1.7 -9.8 | 351 20 3.1 -19.8 70 35 22860 0 0 -0.0 -0.0 | 352 10 1.3 -9.9 71 30 23774 350 10 1.7 -9.8 | 351 20 3.1 -19.8 72 30 23790 65 17 -15.4 -7.2 | 39 22 -14.1 -17.1 73 29 24079 70 17 -16.0 -5.8 | 43 21 -14.6 -15.7 74 27 24384 95 13 -13.0 1.1 | 53 15 -11.6 -8.8 75 24 25298 165 12 -3.1 11.6 | 133 2 -1.8 1.7 76 22 25908 300 10 8.7 -5.0 | 326 18 10.0 -14.9 77 21 26213 340 10 3.4 -9.4 | 346 20 4.8 -19.3 78 20 26380 80 9 -8.9 -1.6 | 33 14 -7.5 -11.5 79 19 26822 75 10 -9.7 -2.6 | 34 15 -8.3 -12.5 80 17 27432 360 10 -0.0 -10.0 | 356 20 1.3 -19.9 81 16 27737 40 10 -6.4 -7.7 | 16 18 -5.1 -17.6 82 15 28346 0 0 -0.0 -0.0 | 352 10 1.3 -9.9 83 14 28956 360 14 -0.0 -14.0 | 357 24 1.3 -23.9 84 13 29261 350 13 2.3 -12.8 | 351 23 3.6 -22.7 85 11 30175 325 3 1.7 -2.5 | 346 13 3.1 -12.4 86 10 30940 270 13 13.0 -0.0 | 305 17 14.3 -9.9 87 7 33350 285 15 14.5 -3.9 | 311 21 15.8 -13.8 Wind Parameters Mean winds (0-6000m): 142.3 at 13.3 knts Storm direction: 172.3 at 10.0 knts Shear (0-3000m) pos: 0.0 neg: 4.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 127.1 deg Storm rel helicity (0-3000m) pos: 43.9 neg: -17.2 tot: 26.7 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.98 Bulk Shear: 35.61 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 ------------------------------------------------------------------------------- 500 266 5 328 11| 0.0 6.3 6.3| 4.0 -5.2 -1.2 -2.4 -0.05| 7.6 -0.4 1000 260 5 326 11| 0.0 3.3 3.3| 10.5 -8.3 2.2 2.2 0.03| 8.9 0.2 1500 244 5 325 10| 0.0 2.5 2.5| 16.8 -13.9 2.8 1.9 0.03| 8.9 0.2 2000 223 5 324 8| 0.0 3.9 3.9| 26.3 -13.9 12.3 6.2 0.22| 9.0 2.0 2500 177 6 345 4| 0.0 4.2 4.2| 37.4 -13.9 23.4 9.4 0.30| 8.7 2.7 3000 156 8 32 3| 0.0 4.1 4.1| 43.9 -17.2 26.7 8.9 0.31| 8.1 2.5 4000 145 11 81 5| 0.8 2.8 3.6| 66.0 -25.0 41.0 10.3 0.31| 7.7 2.3 5000 143 13 91 6| 0.4 2.3 2.6| 66.6 -29.5 37.1 7.4 0.25| 6.9 1.7 6000 142 13 95 7| 0.6 2.1 2.7| 79.6 -40.8 38.7 6.5 0.23| 6.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250415.12.gif