UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 7 OCT 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 1011 3 16.0 12.0 77 4.0 13.6 330 1 288.2 289.8 286.3 312.7 8.74 1 1005 52 17.6 11.6 68 6.0 14.0 63 3 290.3 291.8 286.9 314.6 8.56 2 1003 69 18.4 10.4 60 8.0 13.7 93 3 291.3 292.7 286.7 313.8 7.91 3 1000 94 18.8 11.8 64 7.0 14.6 140 4 292.0 293.5 287.7 316.8 8.72 4 997 120 18.8 11.8 64 7.0 14.6 135 4 292.2 293.8 287.8 317.1 8.75 5 988 198 18.2 12.2 68 6.0 14.5 120 4 292.4 294.0 288.2 318.2 9.07 6 984 232 19.4 9.4 52 10.0 13.5 113 3 293.9 295.3 287.3 315.6 7.54 7 978 285 21.0 8.0 43 13.0 13.4 103 3 296.0 297.3 287.5 316.1 6.89 8 975 312 23.2 6.2 33 17.0 13.4 98 3 298.5 299.6 287.6 316.5 6.10 9 971 348 23.8 4.8 29 19.0 13.1 91 5 299.5 300.5 287.4 316.0 5.55 10 958 465 23.2 2.2 25 21.0 11.8 68 9 300.0 300.9 286.8 314.0 4.68 11 939 640 22.2 0.2 23 22.0 10.7 43 14 300.7 301.5 286.5 313.2 4.13 12 925 770 21.6 0.6 25 21.0 10.5 55 12 301.4 302.2 286.9 314.5 4.32 13 912 892 21.2 2.2 28 19.0 10.9 42 9 302.2 303.1 287.8 317.1 4.92 14 902 988 21.4 -0.6 23 22.0 9.9 38 8 303.4 304.1 287.3 315.8 4.05 15 850 1497 16.8 1.8 36 15.0 8.7 35 4 303.7 304.7 288.5 319.3 5.13 16 818 1822 14.2 -0.8 36 15.0 6.5 6 1 304.3 305.2 288.1 317.8 4.41 17 791 2104 11.6 0.6 47 11.0 5.8 145 5 304.5 305.4 288.7 319.9 5.05 18 781 2211 11.0 -1.0 43 12.0 4.9 167 9 305.0 305.8 288.4 318.9 4.55 19 741 2647 7.6 -2.4 49 10.0 2.7 182 20 305.9 306.7 288.5 319.2 4.33 20 712 2975 4.8 -4.2 52 9.0 0.5 189 15 306.3 307.0 288.2 318.5 3.93 21 703 3078 4.0 -5.0 52 9.0 -0.2 192 13 306.5 307.2 288.2 318.2 3.75 22 700 3113 3.8 -6.2 48 10.0 -0.7 195 12 306.7 307.3 287.9 317.4 3.43 23 688 3253 3.4 -13.6 28 17.0 -3.0 201 11 307.8 308.1 286.8 314.0 1.94 24 686 3277 3.2 -13.8 27 17.0 -3.2 202 11 307.8 308.2 286.7 314.0 1.92 25 679 3360 2.4 -13.6 30 16.0 -3.6 205 10 307.8 308.2 286.8 314.1 1.97 26 670 3468 2.0 -16.0 25 18.0 -4.4 189 10 308.5 308.8 286.7 313.9 1.64 27 664 3540 2.0 -19.0 19 21.0 -5.0 178 11 309.3 309.6 286.6 313.6 1.28 28 662 3565 3.0 -30.0 7 33.0 -5.7 175 11 310.7 310.8 286.2 312.4 0.48 29 658 3614 3.4 -36.6 3 40.0 -5.9 168 11 311.7 311.8 286.2 312.6 0.25 30 635 3901 2.0 -21.0 16 23.0 -5.5 168 10 313.3 313.5 287.8 317.1 1.13 31 607 4264 0.2 -35.8 5 36.0 -8.1 133 10 315.3 315.4 287.5 316.4 0.30 32 590 4491 -1.7 -23.7 17 22.0 -8.2 127 13 315.7 315.8 288.4 318.9 0.96 33 576 4682 -2.7 -32.7 8 30.0 -9.9 128 14 316.7 316.8 288.2 318.2 0.42 34 517 5531 -7.5 -32.5 12 25.0 -13.2 94 11 320.8 320.9 289.5 322.6 0.48 35 500 5790 -9.5 -36.5 9 27.0 -14.9 125 9 321.5 321.5 289.6 322.7 0.34 36 442 6729 -16.5 -44.5 7 28.0 -20.5 135 10 324.2 324.2 290.2 324.8 0.16 37 400 7470 -23.1 -44.1 13 21.0 -25.7 125 7 325.0 325.0 290.5 325.7 0.19 38 355 8326 -31.5 -45.5 24 14.0 -32.8 109 6 325.0 325.0 290.5 325.7 0.18 39 354 8346 -30.9 -50.9 12 20.0 -32.5 108 6 326.0 326.0 290.7 326.4 0.10 40 351 8407 -30.7 -51.7 11 21.0 -32.3 107 5 327.1 327.1 291.0 327.5 0.09 41 318 9099 -35.5 -56.5 10 21.0 -36.7 96 4 329.8 329.8 291.7 330.0 0.06 42 300 9500 -39.1 -58.1 12 19.0 -40.0 90 6 330.3 330.3 291.8 330.5 0.05 43 289 9756 -40.5 -60.5 10 20.0 -41.3 88 6 331.8 331.8 292.3 332.0 0.04 44 250 10730 -47.7 -64.7 12 17.0 -48.1 80 5 335.2 335.2 293.1 335.3 0.03 45 232 11217 -51.3 -66.3 15 15.0 -51.6 162 6 336.9 336.9 293.6 337.0 0.02 46 217 11647 -54.1 -66.1 22 12.0 -54.3 235 7 339.1 339.1 294.1 339.2 0.02 47 215 11706 -54.1 -66.1 22 12.0 -54.3 245 7 340.0 340.0 294.3 340.1 0.02 48 203 12074 -52.1 -74.1 5 22.0 -52.5 237 12 348.8 348.8 296.4 348.8 0.01 49 200 12170 -52.9 -73.9 6 21.0 -53.2 235 13 349.0 349.0 296.4 349.0 0.01 50 180 12850 -54.1 -79.1 3 25.0 -54.4 262 16 357.7 357.7 298.2 357.7 0.00 51 150 14010 -59.1 -81.1 4 22.0 -59.3 245 27 368.3 368.3 300.2 368.3 0.00 52 141 14397 -60.9 -81.9 5 21.0 -61.1 246 29 371.7 371.7 300.9 371.7 0.00 53 137 14576 -60.3 -83.3 3 23.0 -60.5 249 32 375.8 375.8 301.6 375.8 0.00 54 115 15658 -63.9 -84.9 4 21.0 -64.1 263 19 388.4 388.4 303.6 388.4 0.00 55 113 15766 -63.3 -85.3 4 22.0 -63.5 256 15 391.5 391.5 304.0 391.5 0.00 56 101 16450 -67.3 -86.3 5 19.0 -67.4 234 23 396.6 396.6 304.8 396.6 0.00 57 100 16510 -67.3 -86.3 5 19.0 -67.4 235 25 397.7 397.7 304.9 397.7 0.00 58 90 17141 -68.1 -86.1 6 18.0 -68.2 239 24 408.3 408.3 306.3 408.3 0.00 59 80 17851 -65.1 -88.1 3 23.0 -65.3 256 17 428.4 428.4 308.7 428.4 0.00 60 73 18406 -65.7 -88.7 3 23.0 -65.9 250 12 438.5 438.5 309.7 438.5 0.00 61 70 18660 -65.1 -89.1 2 24.0 -65.3 245 14 445.1 445.1 310.4 445.1 0.00 62 62 19403 -62.9 -88.9 2 26.0 -63.2 242 17 465.7 465.7 312.3 465.7 0.00 63 59 19708 -63.9 -88.9 2 25.0 -64.2 244 15 470.1 470.1 312.7 470.1 0.00 64 55 20140 -61.7 -88.7 2 27.0 -62.1 275 17 484.7 484.7 313.8 484.7 0.00 65 51 20607 -62.3 -88.3 2 26.0 -62.7 261 15 493.9 493.9 314.5 493.9 0.00 66 50 20730 -61.3 -88.3 2 27.0 -61.8 260 14 499.0 499.0 314.9 499.0 0.00 67 44 21530 -58.3 -87.3 1 29.0 -59.1 230 20 524.9 524.9 316.6 525.0 0.00 68 38 22450 -59.7 -87.7 1 28.0 -60.4 243 14 543.8 543.9 317.8 543.9 0.00 69 35 22968 -56.7 -86.7 1 30.0 -57.9 275 21 564.6 564.6 318.9 564.7 0.01 70 33 23340 -58.5 -87.5 1 29.0 -59.5 268 14 569.4 569.4 319.1 569.5 0.01 71 30 23940 -57.9 -86.9 1 29.0 -59.0 305 9 586.8 586.8 320.0 586.8 0.01 72 29 24153 -58.7 -87.7 1 29.0 -59.8 306 18 590.3 590.3 320.2 590.3 0.01 73 28 24374 -58.7 -87.7 1 29.0 -59.8 310 7 596.3 596.3 320.5 596.3 0.01 74 25 25087 -57.9 -86.9 1 29.0 -59.3 248 13 618.2 618.2 321.4 618.3 0.01 75 24 25346 -55.5 -86.5 1 31.0 -57.3 216 17 632.4 632.4 322.0 632.5 0.01 76 23 25617 -56.5 -86.5 1 30.0 -58.2 265 15 637.2 637.2 322.2 637.3 0.01 77 21 26197 -54.5 -85.5 1 31.0 -56.7 260 23 660.1 660.1 323.0 660.2 0.01 78 20 26510 -53.5 -85.5 1 32.0 -56.1 275 19 672.4 672.4 323.5 672.5 0.01 79 19 26841 -52.1 -85.1 1 33.0 -55.1 276 18 686.7 686.7 324.0 686.8 0.01 80 17 27563 -51.7 -84.7 1 33.0 -55.1 288 19 710.2 710.2 324.7 710.3 0.02 81 15 28372 -53.3 -85.3 1 32.0 -56.5 263 10 730.7 730.8 325.4 730.9 0.02 82 14 28819 -51.3 -84.3 1 33.0 -55.3 242 17 752.1 752.1 326.0 752.3 0.02 83 13 29301 -51.1 -84.1 1 33.0 -55.4 267 28 768.9 768.9 326.4 769.1 0.03 84 12 29820 -52.3 -84.3 1 32.0 -56.4 245 27 782.4 782.5 326.8 782.7 0.03 85 12 29820 -50.5 -84.5 1 34.0 -55.2 245 27 788.8 788.8 327.0 789.0 0.03 86 11 30388 -50.5 -84.5 1 34.0 -55.5 271 26 808.7 808.7 327.4 808.9 0.03 87 10 31010 -50.1 -83.1 1 33.0 -55.5 275 27 832.5 832.6 328.0 832.9 0.04 88 9.1 31625 -51.1 -84.1 1 33.0 -56.5 851.5 851.5 328.4 851.8 0.04 89 8.6 31993 -49.9 -83.9 1 34.0 -55.9 870.0 870.0 328.8 870.4 0.04 TRP 215 11706 -54.1 -66.1 22 12.0 -54.3 245 7 340.0 340.0 294.3 340.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5696.00 m Freezing level: 605.21 mb = 4287.82 m = 14067.47 ft Wetbulb zero: 705.00 mb = 3055.08 m = 10023.11 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 27.09 % Est. max temperature: 31.47 C = 88.65 F Sfc-Lift cond lev (LCL): 952.39 mb = 516.45 m = 1694.36 ft T: 22.91 C 700-500 lapse rate: 4.97 C/km ThetaE index: 3.33 C Layer 971.0- 925.0 mb Conv cond level (CCL): 593.72 mb = 4440.60 m = 14568.72 ft Mean mixing ratio: 5.88 g/kg Conv temperature: 43.42 C = 110.16 F Cap Strength: 9.77 C Lifted Index: 9.64 C Risk: None Lifted Index @300 mb: 11.04 C Lifted Index @700 mb: 5.48 C Showalter Index: 7.30 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 11.30 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 38.60 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.02 J/kg Max Up Vert Vel: 10.39 m/s Conv Inhibition (B-): 64708.68 J/kg Cap Strength: 9.71 C Lift Cond Lev (LCL): 759.03 mb = 2447.54 m = 8029.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 170 at 8 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 1011 3 330 1 0.5 -0.9 | 348 9 1.9 -8.4 1 1000 94 140 4 -2.6 3.1 | 15 5 -1.2 -4.5 2 976 305 100 3 -3.0 0.5 | 13 7 -1.6 -7.0 3 942 610 40 14 -9.0 -10.7 | 23 20 -7.6 -18.2 4 925 770 55 12 -9.8 -6.9 | 30 17 -8.5 -14.4 5 910 914 40 9 -5.8 -6.9 | 17 15 -4.4 -14.4 6 878 1219 30 6 -3.0 -5.2 | 7 13 -1.6 -12.7 7 850 1497 35 4 -2.3 -3.3 | 5 11 -0.9 -10.8 8 817 1829 5 1 -0.1 -1.0 | 352 9 1.3 -8.5 9 787 2134 165 6 -1.6 5.8 | 7 2 -0.2 -1.7 10 759 2438 175 19 -1.7 18.9 | 178 11 -0.3 11.4 11 732 2743 185 21 1.8 20.9 | 193 14 3.2 13.4 12 705 3048 190 13 2.3 12.8 | 214 6 3.6 5.3 13 700 3113 195 12 3.1 11.6 | 228 6 4.5 4.1 14 679 3353 205 10 4.2 9.1 | 255 6 5.6 1.5 15 654 3658 160 11 -3.8 10.3 | 139 4 -2.4 2.8 16 629 3962 170 10 -1.7 9.8 | 171 2 -0.4 2.3 17 605 4267 130 10 -7.7 6.4 | 80 6 -6.3 -1.1 18 583 4572 125 14 -11.5 8.0 | 93 10 -10.1 0.5 19 561 4877 135 15 -10.6 10.6 | 108 10 -9.3 3.1 20 540 5182 115 12 -10.9 5.1 | 76 10 -9.5 -2.4 21 519 5486 90 11 -11.0 0.0 | 52 12 -9.6 -7.5 22 500 5790 125 9 -7.4 5.2 | 69 6 -6.0 -2.4 23 500 5791 105 5 -4.8 1.3 | 29 7 -3.5 -6.2 24 480 6096 140 10 -6.4 7.7 | 92 5 -5.1 0.1 25 461 6401 120 12 -10.4 6.0 | 80 9 -9.0 -1.5 26 443 6706 135 10 -7.1 7.1 | 86 6 -5.7 -0.4 27 400 7470 125 7 -5.7 4.0 | 51 6 -4.4 -3.5 28 392 7620 120 7 -6.1 3.5 | 50 6 -4.7 -4.0 29 316 9144 95 4 -4.0 0.3 | 20 8 -2.6 -7.2 30 302 9449 115 3 -2.7 1.3 | 12 6 -1.4 -6.2 31 300 9500 90 6 -6.0 0.0 | 32 9 -4.6 -7.5 32 250 10730 80 5 -4.9 -0.9 | 23 9 -3.6 -8.4 33 215 11706 245 7 6.3 3.0 | 301 9 7.7 -4.6 34 200 12170 235 13 10.6 7.5 | 270 12 12.0 -0.1 35 199 12192 235 13 10.6 7.5 | 270 12 12.0 -0.1 36 181 12802 265 16 15.9 1.4 | 289 18 17.3 -6.1 37 173 13106 240 16 13.9 8.0 | 268 15 15.2 0.5 38 157 13716 255 13 12.6 3.4 | 287 15 13.9 -4.2 39 150 14010 245 27 24.5 11.4 | 261 26 25.8 3.9 40 150 14021 240 17 14.7 8.5 | 267 16 16.1 1.0 41 143 14326 245 28 25.4 11.8 | 261 27 26.7 4.3 42 136 14630 250 33 31.0 11.3 | 263 33 32.4 3.8 43 129 14935 270 31 31.0 -0.0 | 283 33 32.4 -7.5 44 123 15240 270 28 28.0 -0.0 | 284 30 29.4 -7.5 45 117 15545 270 23 23.0 -0.0 | 287 25 24.4 -7.5 46 111 15850 250 12 11.3 4.1 | 285 13 12.6 -3.4 47 106 16154 230 16 12.3 10.3 | 259 14 13.6 2.8 48 100 16510 235 25 20.5 14.3 | 253 23 21.8 6.8 49 96 16764 235 25 20.5 14.3 | 253 23 21.8 6.8 50 91 17069 235 25 20.5 14.3 | 253 23 21.8 6.8 51 82 17678 265 20 19.9 1.7 | 285 22 21.3 -5.8 52 78 17983 250 15 14.1 5.1 | 279 16 15.4 -2.4 53 74 18288 260 12 11.8 2.1 | 292 14 13.2 -5.4 54 71 18593 235 11 9.0 6.3 | 277 10 10.4 -1.2 55 70 18660 245 14 12.7 5.9 | 277 14 14.0 -1.6 56 64 19202 240 19 16.5 9.5 | 264 18 17.8 2.0 57 58 19812 245 14 12.7 5.9 | 277 14 14.0 -1.6 58 55 20117 275 17 16.9 -1.5 | 296 20 18.3 -9.0 59 53 20422 270 13 13.0 -0.0 | 298 16 14.4 -7.5 60 50 20726 255 17 16.4 4.4 | 280 18 17.8 -3.1 61 50 20730 260 14 13.8 2.4 | 289 16 15.1 -5.1 62 48 21031 260 17 16.7 3.0 | 284 19 18.1 -4.6 63 45 21336 230 17 13.0 10.9 | 257 15 14.4 3.4 64 43 21641 230 22 16.9 14.1 | 250 19 18.2 6.6 65 41 21946 240 16 13.9 8.0 | 268 15 15.2 0.5 66 39 22250 270 15 15.0 -0.0 | 295 18 16.4 -7.5 67 37 22555 230 14 10.7 9.0 | 263 12 12.1 1.5 68 36 22860 270 25 25.0 -0.0 | 286 27 26.4 -7.5 69 34 23165 285 15 14.5 -3.9 | 306 20 15.8 -11.4 70 32 23470 255 13 12.6 3.4 | 287 15 13.9 -4.2 71 31 23774 255 15 14.5 3.9 | 283 16 15.8 -3.6 72 30 23940 305 9 7.4 -5.2 | 325 15 8.7 -12.7 73 29 24079 305 21 17.2 -12.0 | 317 27 18.6 -19.6 74 28 24384 310 7 5.4 -4.5 | 331 14 6.7 -12.0 75 25 24994 270 11 11.0 -0.0 | 301 14 12.4 -7.5 76 24 25298 205 17 7.2 15.4 | 227 12 8.5 7.9 77 23 25603 265 15 14.9 1.3 | 291 17 16.3 -6.2 78 21 26213 260 23 22.7 4.0 | 278 24 24.0 -3.5 79 20 26510 275 19 18.9 -1.7 | 294 22 20.3 -9.2 80 20 26518 290 19 17.9 -6.5 | 306 24 19.2 -14.0 81 19 26822 275 18 17.9 -1.6 | 295 21 19.3 -9.1 82 18 27127 295 17 15.4 -7.2 | 311 22 16.8 -14.7 83 17 27432 290 20 18.8 -6.8 | 305 25 20.1 -14.4 84 17 27737 285 18 17.4 -4.7 | 303 22 18.7 -12.2 85 16 28042 310 10 7.7 -6.4 | 327 17 9.0 -13.9 86 14 28651 225 10 7.1 7.1 | 273 8 8.4 -0.4 87 14 28956 255 22 21.3 5.7 | 275 23 22.6 -1.8 88 12 29566 275 33 32.9 -2.9 | 287 36 34.2 -10.4 89 12 29870 240 26 22.5 13.0 | 257 24 23.9 5.5 90 11 30175 270 25 25.0 -0.0 | 286 27 26.4 -7.5 91 10 31010 275 27 26.9 -2.4 | 289 30 28.3 -9.9 Wind Parameters Mean winds (0-6000m): 139.8 at 10.2 knts Storm direction: 169.8 at 7.6 knts Shear (0-3000m) pos: 2.4 neg: 1.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -138.2 deg Storm rel helicity (0-3000m) pos: 49.4 neg: -38.7 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.49 Bulk Shear: 8.32 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 92 5 23 8| 10.5 0.0 10.5| 11.2 -0.6 10.6 21.1 0.36| 16.4 5.9 1000 54 8 23 13| 5.3 2.2 7.5| 17.7 -25.4 -7.7 -7.7 0.04| 14.9 0.6 1500 48 7 18 13| 3.5 2.4 5.9| 17.7 -33.0 -15.3 -10.2 -0.03| 11.5 -0.4 2000 48 6 15 12| 2.8 1.8 4.6| 26.6 -38.7 -12.0 -6.0 0.02| 10.5 0.2 2500 81 7 33 10| 4.2 1.4 5.6| 33.2 -38.7 -5.5 -2.2 0.15| 12.7 1.9 3000 137 9 80 5| 2.4 1.2 3.6| 49.4 -38.7 10.7 3.6 0.21| 12.2 2.5 4000 159 10 124 3| 1.8 0.4 2.2| 57.3 -45.4 11.9 3.0 0.15| 11.0 1.6 5000 149 10 107 4| 1.5 0.8 2.3| 66.1 -54.8 11.4 2.3 0.10| 10.2 1.0 6000 140 10 93 5| 1.6 1.2 2.8| 78.1 -83.7 -5.6 -0.9 0.03| 10.3 0.3 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251007.12.gif