UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102300.upa.cvt Date: 0000Z 23 OCT 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 23 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 1019 3 18.4 11.4 64 7.0 14.2 275 9 290.0 291.5 286.6 313.5 8.33 1 1013 53 16.6 10.6 68 6.0 13.1 267 10 288.7 290.1 285.7 311.0 7.94 2 1000 161 15.6 10.7 73 4.9 12.7 250 11 288.8 290.2 285.9 311.5 8.10 3 958 523 11.8 9.9 88 1.9 10.7 267 10 288.5 289.9 285.7 311.0 8.01 4 925 816 9.6 9.1 97 0.5 9.3 240 3 289.1 290.5 285.8 311.3 7.86 5 923 834 9.4 8.9 97 0.5 9.1 237 3 289.1 290.5 285.7 311.0 7.77 6 913 925 10.2 8.3 88 1.9 9.1 225 4 290.8 292.2 286.1 312.3 7.54 7 912 934 10.2 7.9 86 2.3 8.9 226 4 290.9 292.2 285.9 311.8 7.34 8 909 961 11.8 4.8 62 7.0 8.0 227 5 292.8 293.9 285.3 310.0 5.94 9 904 1008 12.8 2.8 51 10.0 7.6 228 6 294.3 295.3 285.1 309.5 5.18 10 901 1036 13.4 2.4 47 11.0 7.7 229 6 295.2 296.1 285.3 310.0 5.05 11 894 1101 13.8 0.8 41 13.0 7.2 231 8 296.3 297.1 285.2 309.7 4.53 12 890 1139 13.8 2.8 47 11.0 8.0 232 8 296.7 297.6 286.1 312.2 5.26 13 883 1206 14.2 2.2 44 12.0 7.9 235 10 297.8 298.7 286.3 312.8 5.08 14 850 1526 11.4 2.4 54 9.0 6.7 195 8 298.1 299.1 286.7 314.0 5.35 15 831 1714 9.6 1.6 57 8.0 5.5 216 4 298.1 299.1 286.5 313.5 5.17 16 823 1795 10.4 0.4 50 10.0 5.3 226 3 299.8 300.7 286.8 314.1 4.78 17 795 2082 8.6 -1.4 49 10.0 3.7 331 6 300.9 301.7 286.7 314.0 4.34 18 793 2103 8.4 -1.6 49 10.0 3.5 340 6 300.9 301.6 286.6 313.8 4.29 19 783 2208 8.2 -5.8 36 14.0 2.0 5 8 301.7 302.3 285.8 311.5 3.16 20 777 2271 7.8 -1.2 53 9.0 3.4 14 8 302.0 302.8 287.3 315.6 4.51 21 702 3100 2.0 -1.1 80 3.1 0.5 6 20 304.5 305.4 288.6 319.8 5.03 22 700 3123 1.8 -1.4 79 3.2 0.3 5 20 304.5 305.4 288.6 319.5 4.93 23 688 3263 1.2 -2.6 76 3.8 -0.6 14 22 305.3 306.2 288.5 319.4 4.59 24 672 3452 0.0 -3.5 77 3.5 -1.6 14 24 306.0 306.9 288.6 319.6 4.39 25 641 3828 -3.3 -4.5 91 1.2 -3.8 360 26 306.5 307.2 288.6 319.7 4.27 26 632 3940 -3.7 -5.7 86 2.0 -4.6 360 26 307.2 308.0 288.6 319.5 3.96 27 600 4349 -6.7 -8.4 88 1.7 -7.4 360 25 308.4 309.0 288.4 319.0 3.38 28 594 4428 -7.5 -8.3 94 0.8 -7.8 360 25 308.3 309.0 288.5 319.1 3.44 29 592 4454 -7.5 -8.6 92 1.1 -7.9 360 24 308.6 309.3 288.5 319.2 3.37 30 588 4507 -7.5 -9.8 84 2.3 -8.4 360 24 309.2 309.8 288.4 319.0 3.09 31 583 4574 -6.5 -13.5 58 7.0 -9.0 360 24 311.1 311.6 288.3 318.6 2.31 32 574 4695 -7.5 -13.5 62 6.0 -9.6 3 21 311.4 311.8 288.4 318.9 2.35 33 536 5227 -10.1 -19.1 48 9.0 -12.9 22 17 314.4 314.7 288.6 319.7 1.57 34 526 5372 -10.9 -17.9 56 7.0 -13.1 7 25 315.1 315.5 289.0 321.0 1.78 35 500 5760 -14.1 -20.1 60 6.0 -15.8 355 31 315.8 316.1 289.0 321.0 1.55 36 458 6415 -20.1 -23.1 77 3.0 -20.8 350 37 316.4 316.6 289.0 320.8 1.30 37 455 6464 -20.3 -23.4 76 3.1 -21.0 351 37 316.7 317.0 289.0 321.0 1.27 38 422 7014 -24.9 -25.1 98 0.2 -24.9 2 32 317.7 318.0 289.3 321.8 1.18 39 420 7048 -25.1 -26.8 86 1.7 -25.4 3 31 317.9 318.1 289.2 321.4 1.02 40 417 7100 -25.5 -26.2 94 0.7 -25.6 4 31 318.0 318.2 289.3 321.8 1.08 41 408 7258 -26.5 -28.5 83 2.0 -26.9 7 29 318.7 318.9 289.3 321.8 0.89 42 407 7275 -26.5 -30.8 67 4.3 -27.2 7 29 319.0 319.1 289.2 321.5 0.72 43 403 7346 -26.7 -31.7 63 5.0 -27.5 9 28 319.6 319.7 289.3 322.0 0.67 44 400 7400 -27.3 -32.3 62 5.0 -28.1 10 28 319.5 319.6 289.3 321.8 0.64 45 397 7454 -27.9 -32.2 67 4.3 -28.6 8 28 319.4 319.5 289.3 321.7 0.65 46 394 7508 -28.1 -34.1 56 6.0 -29.0 5 28 319.8 320.0 289.3 321.8 0.54 47 391 7563 -28.5 -34.5 56 6.0 -29.3 3 29 320.0 320.1 289.3 321.9 0.52 48 387 7637 -29.1 -36.1 51 7.0 -30.0 360 29 320.2 320.3 289.3 321.8 0.45 49 377 7823 -30.7 -35.7 61 5.0 -31.3 360 30 320.5 320.6 289.4 322.2 0.48 50 371 7937 -31.7 -38.7 50 7.0 -32.5 360 31 320.6 320.7 289.3 321.9 0.36 51 360 8148 -33.7 -38.7 61 5.0 -34.3 3 29 320.7 320.8 289.4 322.1 0.37 52 355 8246 -34.3 -44.3 36 10.0 -35.1 5 28 321.2 321.2 289.3 322.0 0.21 53 351 8325 -34.9 -43.9 39 9.0 -35.7 1 27 321.4 321.5 289.5 322.3 0.22 54 346 8425 -35.5 -48.5 25 13.0 -36.4 356 26 321.9 322.0 289.5 322.4 0.14 55 319 8984 -40.5 -54.5 21 14.0 -41.2 358 26 322.6 322.6 289.6 322.9 0.07 56 300 9400 -43.1 -52.1 37 9.0 -43.5 345 41 324.6 324.6 290.3 325.0 0.10 57 250 10610 -52.5 -62.5 29 10.0 -52.7 345 54 328.0 328.0 291.2 328.2 0.03 58 222 11367 -56.5 -63.5 41 7.0 -56.6 340 40 333.2 333.2 292.6 333.3 0.03 59 200 12030 -54.1 -74.1 7 20.0 -54.4 320 25 347.1 347.1 296.0 347.1 0.01 60 150 13850 -58.7 -81.7 4 23.0 -58.9 280 17 368.9 368.9 300.4 369.0 0.00 61 100 16370 -63.5 -86.5 3 23.0 -63.7 265 18 405.0 405.0 305.9 405.0 0.00 62 94 16748 -65.1 -87.1 3 22.0 -65.3 265 18 409.1 409.1 306.4 409.1 0.00 63 92 16880 -63.5 -86.5 3 23.0 -63.7 259 19 414.8 414.8 307.1 414.8 0.00 64 84 17439 -63.1 -87.1 3 24.0 -63.3 265 26 426.6 426.6 308.4 426.6 0.00 65 74 18218 -63.5 -87.5 2 24.0 -63.7 238 16 441.5 441.5 310.0 441.5 0.00 66 70 18560 -61.9 -87.9 2 26.0 -62.2 225 21 452.0 452.0 311.0 452.0 0.00 67 59 19610 -64.1 -89.1 2 25.0 -64.4 265 24 469.7 469.7 312.6 469.7 0.00 68 52 20387 -61.3 -88.3 2 27.0 -61.8 286 20 493.5 493.5 314.5 493.5 0.00 69 50 20630 -62.1 -88.1 2 26.0 -62.6 280 26 497.1 497.1 314.8 497.2 0.00 70 47 21012 -62.5 -88.5 2 26.0 -63.0 280 27 505.1 505.1 315.3 505.1 0.00 71 41 21860 -59.1 -88.1 1 29.0 -59.9 255 15 533.7 533.7 317.2 533.7 0.00 72 32 23406 -60.9 -88.9 1 28.0 -61.7 284 20 568.0 568.0 319.0 568.1 0.00 73 31 23604 -58.5 -87.5 1 29.0 -59.6 287 24 579.7 579.7 319.6 579.7 0.01 74 30 23810 -58.9 -87.9 1 29.0 -59.9 295 19 584.1 584.1 319.9 584.1 0.01 75 27 24474 -58.3 -88.3 1 30.0 -59.5 292 25 603.6 603.6 320.7 603.7 0.01 76 22 25780 -53.9 -85.9 1 32.0 -56.2 273 19 653.1 653.1 322.8 653.2 0.01 77 20 26390 -56.1 -87.1 1 31.0 -58.1 280 35 664.5 664.5 323.2 664.5 0.01 78 17 27425 -54.5 -86.5 1 32.0 -57.1 275 33 701.2 701.2 324.5 701.3 0.01 79 16 27811 -55.7 -86.7 1 31.0 -58.2 280 34 709.5 709.6 324.7 709.6 0.01 80 15 28225 -51.9 -84.9 1 33.0 -55.5 285 35 735.4 735.4 325.5 735.6 0.02 81 14 28672 -50.9 -84.9 1 34.0 -55.1 289 37 753.4 753.5 326.0 753.6 0.02 82 13 29152 -52.9 -84.9 1 32.0 -56.6 279 39 762.7 762.7 326.3 762.8 0.02 83 13 29152 -52.1 -85.1 1 33.0 -56.1 279 39 765.4 765.4 326.4 765.6 0.02 84 10 30840 -54.3 -86.3 1 32.0 -58.2 290 32 816.9 816.9 327.7 817.1 0.02 85 10 30840 -54.7 -86.7 1 32.0 -58.5 290 32 815.4 815.4 327.6 815.5 0.02 86 8.8 31671 -47.9 -83.9 1 36.0 -54.8 872.1 872.1 328.9 872.4 0.04 87 8.1 32220 -45.5 -82.5 1 37.0 -53.8 902.5 902.5 329.5 903.0 0.05 88 7.4 32822 -46.1 -83.1 1 37.0 -54.5 923.7 923.7 329.9 924.2 0.05 TRP 222 11367 -56.5 -63.5 41 7.0 -56.6 340 40 333.2 333.2 292.6 333.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5599.00 m Freezing level: 672.00 mb = 3451.72 m = 11324.40 ft Wetbulb zero: 696.53 mb = 3163.09 m = 10377.47 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 67.69 % Est. max temperature: 26.36 C = 79.45 F Sfc-Lift cond lev (LCL): 918.20 mb = 877.41 m = 2878.60 ft T: 9.78 C 700-500 lapse rate: 6.03 C/km ThetaE index: 2.81 C Layer 912.0- 901.0 mb Conv cond level (CCL): 758.69 mb = 2465.97 m = 8090.37 ft Mean mixing ratio: 8.00 g/kg Conv temperature: 31.05 C = 87.88 F Cap Strength: 7.71 C Lifted Index: 7.38 C Risk: None Lifted Index @300 mb: 9.67 C Lifted Index @700 mb: 5.30 C Showalter Index: 5.77 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 16.50 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 75.80 Risk: None Energy Index: 1.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.22 J/kg Max Up Vert Vel: 2.11 m/s Conv Inhibition (B-): 49552.69 J/kg Cap Strength: 7.69 C Lift Cond Lev (LCL): 926.40 mb = 803.36 m = 2635.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 27 at 13 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 1019 3 275 9 9.0 -0.8 | 234 18 14.6 10.5 1 1000 161 250 11 10.3 3.8 | 227 22 16.0 15.0 2 983 305 260 13 12.8 2.3 | 234 23 18.5 13.5 3 948 610 270 9 9.0 -0.0 | 233 18 14.7 11.2 4 925 816 240 3 2.6 1.5 | 213 15 8.3 12.7 5 914 914 225 4 2.8 2.8 | 211 16 8.5 14.1 6 882 1219 235 10 8.2 5.7 | 219 22 13.9 17.0 7 850 1526 195 8 2.1 7.7 | 202 20 7.7 19.0 8 819 1829 230 2 1.5 1.3 | 210 14 7.2 12.5 9 789 2134 355 7 0.6 -7.0 | 236 8 6.3 4.3 10 761 2438 40 10 -6.4 -7.7 | 168 4 -0.8 3.6 11 733 2743 20 16 -5.5 -15.0 | 357 4 0.2 -3.8 12 700 3123 5 20 -1.7 -19.9 | 336 10 3.9 -8.7 13 680 3353 20 23 -7.9 -21.6 | 12 11 -2.2 -10.4 14 654 3658 360 27 -0.0 -27.0 | 340 17 5.7 -15.8 15 605 4267 360 25 -0.0 -25.0 | 338 15 5.7 -13.8 16 582 4572 360 24 -0.0 -24.0 | 336 14 5.7 -12.8 17 560 4877 10 15 -2.6 -14.8 | 319 5 3.1 -3.5 18 538 5182 25 15 -6.3 -13.6 | 16 2 -0.7 -2.4 19 518 5486 355 32 2.8 -31.9 | 338 22 8.5 -20.6 20 500 5760 355 31 2.7 -30.9 | 337 21 8.4 -19.6 21 478 6096 355 32 2.8 -31.9 | 338 22 8.5 -20.6 22 458 6401 350 37 6.4 -36.4 | 334 28 12.1 -25.2 23 400 7400 10 28 -4.9 -27.6 | 357 16 0.8 -16.3 24 388 7620 360 29 -0.0 -29.0 | 342 19 5.7 -17.8 25 371 7925 360 31 -0.0 -31.0 | 344 21 5.7 -19.8 26 355 8230 5 28 -2.4 -27.9 | 349 17 3.2 -16.7 27 340 8534 350 25 4.3 -24.6 | 323 17 10.0 -13.4 28 325 8839 360 23 -0.0 -23.0 | 334 13 5.7 -11.8 29 311 9144 355 29 2.5 -28.9 | 335 19 8.2 -17.6 30 300 9400 345 41 10.6 -39.6 | 330 33 16.3 -28.4 31 250 10610 345 54 14.0 -52.2 | 334 45 19.7 -40.9 32 248 10668 340 56 19.2 -52.6 | 329 48 24.8 -41.4 33 222 11367 340 40 13.7 -37.6 | 324 33 19.4 -26.3 34 215 11582 345 41 10.6 -39.6 | 330 33 16.3 -28.4 35 205 11887 320 36 23.1 -27.6 | 300 33 28.8 -16.3 36 200 12030 320 25 16.1 -19.2 | 290 23 21.7 -7.9 37 195 12192 320 23 14.8 -17.6 | 287 21 20.5 -6.4 38 186 12497 310 18 13.8 -11.6 | 271 19 19.5 -0.3 39 169 13106 285 26 25.1 -6.7 | 262 31 30.8 4.5 40 153 13716 305 33 27.0 -18.9 | 283 34 32.7 -7.7 41 150 13850 280 17 16.7 -3.0 | 250 24 22.4 8.3 42 146 14021 270 16 16.0 -0.0 | 243 24 21.7 11.2 43 139 14326 260 16 15.8 2.8 | 237 26 21.4 14.0 44 126 14935 250 32 30.1 10.9 | 238 42 35.7 22.2 45 120 15240 280 19 18.7 -3.3 | 252 26 24.4 7.9 46 114 15545 275 14 13.9 -1.2 | 243 22 19.6 10.0 47 104 16154 275 31 30.9 -2.7 | 257 38 36.6 8.5 48 100 16370 265 18 17.9 1.6 | 242 27 23.6 12.8 49 94 16764 265 18 17.9 1.6 | 242 27 23.6 12.8 50 89 17069 250 21 19.7 7.2 | 234 31 25.4 18.4 51 85 17374 265 27 26.9 2.4 | 247 35 32.6 13.6 52 77 17983 265 19 18.9 1.7 | 242 28 24.6 12.9 53 73 18288 230 15 11.5 9.6 | 219 27 17.2 20.9 54 70 18560 225 21 14.8 14.8 | 218 33 20.5 26.1 55 66 18898 245 24 21.8 10.1 | 232 35 27.4 21.4 56 63 19202 245 31 28.1 13.1 | 234 42 33.8 24.3 57 57 19812 275 20 19.9 -1.7 | 250 27 25.6 9.5 58 54 20117 250 24 22.6 8.2 | 235 34 28.2 19.5 59 52 20422 290 20 18.8 -6.8 | 260 25 24.5 4.4 60 50 20630 280 26 25.6 -4.5 | 258 32 31.3 6.7 61 47 21031 280 27 26.6 -4.7 | 259 33 32.3 6.6 62 45 21336 285 16 15.5 -4.1 | 251 22 21.1 7.1 63 40 21946 250 15 14.1 5.1 | 230 26 19.8 16.4 64 39 22250 285 14 13.5 -3.6 | 248 21 19.2 7.6 65 37 22555 300 13 11.3 -6.5 | 254 18 16.9 4.7 66 35 22860 275 10 10.0 -0.9 | 236 19 15.6 10.4 67 33 23165 280 15 14.8 -2.6 | 247 22 20.4 8.6 68 30 23774 290 28 26.3 -9.6 | 267 32 32.0 1.7 69 30 23810 295 19 17.2 -8.0 | 262 23 22.9 3.2 70 29 24079 305 23 18.8 -13.2 | 275 25 24.5 -1.9 71 27 24384 290 26 24.4 -8.9 | 266 30 30.1 2.3 72 25 24994 300 22 19.1 -11.0 | 269 25 24.7 0.2 73 24 25298 280 21 20.7 -3.6 | 254 27 26.4 7.6 74 23 25603 285 15 14.5 -3.9 | 250 21 20.2 7.4 75 22 25908 265 21 20.9 1.8 | 244 30 26.6 13.1 76 21 26213 290 33 31.0 -11.3 | 270 37 36.7 -0.0 77 20 26390 280 35 34.5 -6.1 | 263 40 40.1 5.2 78 17 27432 275 33 32.9 -2.9 | 258 39 38.5 8.4 79 14 28651 290 36 33.8 -12.3 | 272 40 39.5 -1.1 80 13 28956 280 42 41.4 -7.3 | 265 47 47.0 3.9 81 11 30175 275 26 25.9 -2.3 | 254 33 31.6 9.0 82 10 30840 290 32 30.1 -10.9 | 270 36 35.7 0.3 Wind Parameters Mean winds (0-6000m): 356.8 at 16.8 knts Storm direction: 26.8 at 12.6 knts Shear (0-3000m) pos: 3.3 neg: 0.5 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 106.4 deg Storm rel helicity (0-3000m) pos: 56.6 neg: -82.4 tot: -25.9 m^2/s^2 ave: -8.6 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 11.4 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 59.83 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 ------------------------------------------------------------------------------- 500 260 11 232 21| 0.0 2.1 2.1| 11.9 -10.9 1.0 2.0 -0.01| 9.9 -0.1 1000 259 9 228 19| 0.0 3.4 3.4| 14.5 -40.7 -26.3 -26.3 -0.30| 10.5 -3.1 1500 248 9 223 20| 0.0 3.7 3.7| 24.3 -73.5 -49.2 -32.8 -0.33| 10.4 -3.4 2000 244 8 221 19| 2.7 2.8 5.4| 52.1 -73.5 -21.4 -10.7 -0.08| 10.7 -0.8 2500 257 8 226 18| 3.9 2.2 6.2| 56.6 -78.8 -22.2 -8.9 -0.13| 11.4 -1.4 3000 301 9 244 15| 3.3 0.5 3.8| 56.6 -82.4 -25.9 -8.6 -0.20| 11.4 -2.3 4000 350 13 280 8| 3.2 0.3 3.6| 69.3-108.2 -38.9 -9.7 -0.19| 10.7 -2.0 5000 355 15 297 8| 2.0 0.1 2.2| 70.2-114.4 -44.1 -8.8 -0.18| 9.9 -1.8 6000 357 17 310 9| 1.7 1.7 3.4| 72.8-139.3 -66.4 -11.1 -0.18| 10.3 -1.9 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251023.00.gif