UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 15 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 1016 3 13.2 11.4 89 1.8 12.1 140 3 285.1 286.5 284.6 308.2 8.35 1 1005 94 12.8 10.3 85 2.5 11.4 143 5 285.5 286.9 284.3 307.3 7.84 2 1000 135 12.6 8.2 75 4.4 10.2 145 6 285.8 286.9 283.3 304.8 6.83 3 944 615 8.2 7.8 97 0.4 8.0 175 6 286.0 287.3 283.7 305.7 7.04 4 934 703 7.4 7.3 99 0.1 7.3 178 7 286.1 287.3 283.5 305.3 6.88 5 925 783 7.2 7.2 100 0.0 7.2 180 7 286.7 287.9 283.8 306.0 6.90 6 898 1027 6.2 6.2 100 0.0 6.2 232 9 288.1 289.2 284.1 306.8 6.63 7 850 1477 5.0 5.0 100 0.0 5.0 295 15 291.4 292.5 285.2 309.8 6.44 8 820 1770 3.8 3.6 99 0.2 3.7 324 15 293.1 294.2 285.5 310.6 6.05 9 781 2164 1.4 1.3 99 0.1 1.4 352 17 294.7 295.6 285.5 310.4 5.39 10 763 2352 1.2 -0.6 88 1.8 0.3 4 20 296.4 297.3 285.5 310.6 4.80 11 748 2512 0.6 -1.3 87 1.9 -0.3 8 22 297.5 298.3 285.8 311.3 4.65 12 700 3042 -2.5 -3.4 94 0.9 -2.9 345 32 299.7 300.5 286.2 312.5 4.25 13 672 3365 -4.9 -4.9 100 0.0 -4.9 348 29 300.5 301.3 286.2 312.5 3.95 14 647 3663 -5.7 -8.5 81 2.8 -6.8 350 27 302.9 303.5 286.2 312.5 3.11 15 640 3749 -5.9 -9.2 77 3.3 -7.2 351 27 303.6 304.2 286.4 312.9 2.97 16 638 3773 -6.1 -9.5 77 3.4 -7.4 351 27 303.7 304.2 286.3 312.7 2.91 17 595 4315 -11.1 -11.1 100 0.0 -11.1 356 25 304.0 304.5 286.2 312.6 2.75 18 584 4458 -12.3 -12.4 99 0.1 -12.3 4 23 304.2 304.7 286.1 312.1 2.53 19 582 4485 -12.3 -12.7 97 0.4 -12.5 5 23 304.5 305.0 286.1 312.3 2.47 20 576 4564 -12.1 -13.3 91 1.2 -12.5 9 22 305.7 306.1 286.5 313.2 2.38 21 574 4591 -11.5 -15.3 73 3.8 -12.7 10 22 306.7 307.0 286.4 313.1 2.03 22 570 4644 -11.3 -16.3 66 5.0 -12.9 6 22 307.5 307.9 286.6 313.6 1.88 23 565 4712 -11.5 -17.5 61 6.0 -13.3 2 22 308.1 308.4 286.6 313.6 1.71 24 529 5215 -14.5 -22.5 51 8.0 -16.5 340 24 310.3 310.5 286.8 314.3 1.19 25 508 5521 -17.1 -24.1 55 7.0 -18.7 341 24 310.8 311.0 286.9 314.4 1.07 26 500 5640 -18.1 -25.1 54 7.0 -19.7 345 24 311.0 311.2 286.8 314.3 1.00 27 480 5943 -20.1 -29.1 45 9.0 -21.8 355 26 312.2 312.3 286.9 314.6 0.72 28 460 6256 -22.9 -30.9 48 8.0 -24.2 357 26 312.5 312.6 287.0 314.7 0.63 29 414 7016 -29.3 -40.3 34 11.0 -30.4 344 24 313.8 313.9 287.0 314.8 0.28 30 407 7137 -30.1 -44.1 24 14.0 -31.4 342 23 314.3 314.3 287.1 315.0 0.19 31 400 7260 -31.3 -43.3 30 12.0 -32.4 340 23 314.3 314.3 287.1 315.1 0.21 32 372 7769 -36.1 -45.1 39 9.0 -36.8 332 22 314.5 314.6 287.2 315.2 0.18 33 370 7806 -36.5 -45.5 39 9.0 -37.1 331 22 314.5 314.5 287.1 315.1 0.18 34 364 7919 -37.3 -49.3 28 12.0 -38.0 328 22 314.9 314.9 287.2 315.3 0.12 35 348 8228 -39.9 -49.9 34 10.0 -40.4 320 24 315.4 315.5 287.4 315.9 0.11 36 332 8548 -41.5 -57.5 16 16.0 -42.1 345 44 317.5 317.5 288.0 317.7 0.05 37 327 8651 -40.5 -66.5 4 26.0 -41.3 347 48 320.3 320.3 288.8 320.4 0.02 38 318 8842 -39.5 -66.5 4 27.0 -40.4 350 55 324.2 324.2 290.0 324.3 0.02 39 300 9240 -40.1 -68.1 3 28.0 -41.0 355 66 328.8 328.8 291.4 328.9 0.01 40 279 9735 -41.1 -71.0 2 30.0 -41.9 350 74 334.4 334.4 292.9 334.4 0.01 41 250 10480 -42.5 -75.5 1 33.0 -43.3 350 70 342.9 342.9 295.0 342.9 0.01 42 218 11398 -45.1 -79.1 1 34.0 -45.9 347 64 352.6 352.6 297.2 352.6 0.00 43 216 11459 -44.5 -78.5 1 34.0 -45.3 345 63 354.4 354.4 297.6 354.4 0.00 44 206 11775 -46.7 -79.7 1 33.0 -47.4 336 55 355.8 355.8 297.8 355.8 0.00 45 200 11970 -47.3 -80.3 1 33.0 -48.0 330 50 357.9 357.9 298.3 357.9 0.00 46 161 13386 -52.3 -82.3 2 30.0 -52.8 320 55 372.3 372.3 301.0 372.4 0.00 47 150 13840 -55.3 -83.3 2 28.0 -55.6 330 37 374.8 374.8 301.4 374.8 0.00 48 139 14325 -57.3 -84.3 2 27.0 -57.6 332 35 379.5 379.5 302.2 379.5 0.00 49 132 14652 -56.7 -84.7 2 28.0 -57.1 334 33 386.3 386.3 303.2 386.3 0.00 50 100 16400 -60.5 -87.5 2 27.0 -60.8 300 18 410.8 410.8 306.6 410.8 0.00 51 91 16987 -59.9 -87.9 1 28.0 -60.2 275 20 423.3 423.3 308.1 423.3 0.00 52 75 18182 -63.1 -89.1 2 26.0 -63.4 292 11 440.6 440.6 310.0 440.6 0.00 53 74 18265 -61.1 -89.1 1 28.0 -61.4 294 10 446.5 446.5 310.5 446.5 0.00 54 71 18522 -60.5 -88.5 1 28.0 -60.9 251 8 453.1 453.1 311.1 453.1 0.00 55 70 18610 -61.1 -89.1 1 28.0 -61.4 235 8 453.7 453.7 311.2 453.7 0.00 56 61 19464 -62.1 -90.1 1 28.0 -62.5 237 10 469.7 469.7 312.6 469.7 0.00 57 54 20220 -61.3 -90.3 1 29.0 -61.7 220 10 488.2 488.2 314.1 488.2 0.00 58 53 20336 -59.5 -89.5 1 30.0 -60.1 217 10 494.9 494.9 314.6 495.0 0.00 59 50 20700 -61.1 -90.1 1 29.0 -61.6 190 8 499.5 499.5 314.9 499.5 0.00 60 46 21216 -61.9 -90.9 1 29.0 -62.4 242 11 509.6 509.6 315.6 509.6 0.00 61 38 22406 -58.7 -89.7 1 31.0 -59.6 17 7 546.4 546.4 317.9 546.4 0.00 62 35 22919 -60.5 -90.5 1 30.0 -61.3 9 4 554.7 554.7 318.3 554.7 0.00 63 33 23288 -57.9 -89.9 1 32.0 -59.0 3 1 571.0 571.0 319.2 571.0 0.00 64 30 23890 -56.5 -89.5 1 33.0 -57.9 10 2 590.6 590.6 320.2 590.6 0.00 65 27 24559 -56.1 -89.1 1 33.0 -57.6 52 4 609.8 609.8 321.0 609.8 0.01 66 26 24799 -57.1 -90.1 1 33.0 -58.5 6 6 613.6 613.6 321.2 613.6 0.00 67 24 25307 -55.5 -89.5 1 34.0 -57.3 271 10 632.4 632.4 322.0 632.5 0.01 68 22 25858 -58.1 -90.1 1 32.0 -59.6 329 10 640.6 640.6 322.3 640.7 0.01 69 21 26152 -57.1 -90.1 1 33.0 -58.8 282 10 652.2 652.2 322.7 652.3 0.01 70 20 26460 -58.1 -90.1 1 32.0 -59.7 260 12 658.3 658.3 323.0 658.4 0.01 71 17 27489 -56.5 -90.5 1 34.0 -58.7 270 18 694.8 694.8 324.3 694.8 0.01 72 17 27489 -54.7 -89.7 1 35.0 -57.3 270 18 700.6 700.6 324.4 700.6 0.01 73 17 27489 -54.7 -89.7 1 35.0 -57.3 270 18 700.6 700.6 324.4 700.6 0.01 74 16 27876 -56.3 -90.3 1 34.0 -58.6 298 28 707.6 707.6 324.7 707.6 0.01 75 15 28288 -54.9 -89.9 1 35.0 -57.7 314 27 725.4 725.4 325.2 725.5 0.01 76 14 28727 -57.3 -89.3 1 32.0 -59.6 273 20 731.7 731.7 325.4 731.8 0.01 77 12 29703 -56.9 -89.9 1 33.0 -59.6 253 23 766.1 766.1 326.4 766.2 0.01 78 10 30870 -52.9 -87.9 1 35.0 -57.3 265 40 822.1 822.1 327.8 822.2 0.02 79 10 30870 -51.7 -88.7 0 37.0 -56.5 265 40 826.6 826.6 327.9 826.7 0.01 80 9.8 31001 -53.3 -88.3 1 35.0 -57.6 266 40 825.3 825.4 327.8 825.5 0.02 81 8.6 31843 -53.7 -88.7 1 35.0 -58.3 269 42 855.2 855.2 328.5 855.4 0.02 82 8.0 32311 -51.3 -88.3 0 37.0 -57.1 271 43 882.6 882.6 329.1 882.8 0.02 83 7.0 33180 -51.3 -88.3 0 37.0 -57.5 275 45 917.0 917.0 329.8 917.2 0.02 84 6.7 33465 -50.9 -88.9 0 38.0 -57.4 930.2 930.2 330.0 930.4 0.02 TRP 332 8548 -41.5 -57.5 16 16.0 -42.1 345 44 317.5 317.5 288.0 317.7 0.05 WND 279 9735 -41.1 -71.0 2 30.0 -41.9 350 74 334.4 334.4 292.9 334.4 0.01 Sounding variables and indices 1000-500 mb thick: 5505.00 m Freezing level: 738.71 mb = 2614.61 m = 8578.00 ft Wetbulb zero: 754.66 mb = 2440.70 m = 8007.46 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 85.85 % Est. max temperature: 18.43 C = 65.17 F Sfc-Lift cond lev (LCL): 988.94 mb = 227.69 m = 746.99 ft T: 11.75 C 700-500 lapse rate: 6.00 C/km ThetaE index: 3.35 C Layer 1005.0- 944.0 mb Conv cond level (CCL): 938.53 mb = 663.24 m = 2175.96 ft Mean mixing ratio: 7.07 g/kg Conv temperature: 14.21 C = 57.57 F Cap Strength: 7.22 C Lifted Index: 6.96 C Risk: None Lifted Index @300 mb: 16.54 C Lifted Index @700 mb: 3.81 C Showalter Index: 4.32 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 23.10 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 114.00 Risk: None Energy Index: 0.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.99 J/kg Max Up Vert Vel: 2.82 m/s Conv Inhibition (B-): 65886.23 J/kg Cap Strength: 7.22 C Lift Cond Lev (LCL): 939.74 mb = 652.63 m = 2141.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 at 15 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 1016 3 140 3 -1.9 2.3 | 188 17 2.3 16.6 1 1000 135 145 6 -3.4 4.9 | 182 19 0.8 19.2 2 980 305 170 7 -1.2 6.9 | 188 21 3.1 21.2 3 944 610 175 6 -0.5 6.0 | 190 21 3.7 20.3 4 925 783 180 7 0.0 7.0 | 191 22 4.3 21.3 5 910 914 210 7 3.5 6.1 | 201 22 7.8 20.4 6 877 1219 270 12 12.0 -0.0 | 229 22 16.3 14.3 7 850 1477 295 15 13.6 -6.3 | 246 20 17.9 8.0 8 814 1829 330 15 7.5 -13.0 | 264 12 11.8 1.3 9 784 2134 350 16 2.8 -15.8 | 281 7 7.0 -1.4 10 754 2438 10 22 -3.8 -21.7 | 356 7 0.4 -7.3 11 726 2743 360 23 -0.0 -23.0 | 334 10 4.3 -8.7 12 700 3042 345 32 8.3 -30.9 | 323 21 12.6 -16.6 13 699 3048 345 32 8.3 -30.9 | 323 21 12.6 -16.6 14 646 3658 350 27 4.7 -26.6 | 324 15 9.0 -12.3 15 597 4267 355 25 2.2 -24.9 | 329 12 6.4 -10.6 16 574 4572 10 22 -3.8 -21.7 | 356 7 0.4 -7.3 17 552 4877 350 23 4.0 -22.7 | 315 12 8.3 -8.3 18 531 5182 340 24 8.2 -22.6 | 303 15 12.5 -8.2 19 510 5486 340 24 8.2 -22.6 | 303 15 12.5 -8.2 20 500 5640 345 24 6.2 -23.2 | 310 14 10.5 -8.9 21 470 6096 360 27 -0.0 -27.0 | 341 13 4.3 -12.7 22 400 7260 340 23 7.9 -21.6 | 301 14 12.1 -7.3 23 380 7620 335 21 8.9 -19.0 | 290 14 13.1 -4.7 24 348 8230 320 24 15.4 -18.4 | 282 20 19.7 -4.1 25 332 8548 345 44 11.4 -42.5 | 331 32 15.7 -28.2 26 318 8839 350 55 9.6 -54.2 | 341 42 13.8 -39.8 27 304 9144 350 64 11.1 -63.0 | 342 51 15.4 -48.7 28 300 9240 355 66 5.8 -65.7 | 349 52 10.0 -51.4 29 279 9735 350 74 12.8 -72.9 | 344 61 17.1 -58.5 30 278 9754 350 74 12.8 -72.9 | 344 61 17.1 -58.5 31 250 10480 350 70 12.2 -68.9 | 343 57 16.4 -54.6 32 222 11278 350 67 11.6 -66.0 | 343 54 15.9 -51.7 33 200 11970 330 50 25.0 -43.3 | 315 41 29.3 -29.0 34 160 13411 320 55 35.4 -42.1 | 305 48 39.6 -27.8 35 150 13840 330 37 18.5 -32.0 | 308 29 22.8 -17.7 36 126 14935 335 32 13.5 -29.0 | 310 23 17.8 -14.7 37 120 15240 305 26 21.3 -14.9 | 271 26 25.6 -0.6 38 115 15545 295 32 29.0 -13.5 | 269 33 33.3 0.8 39 104 16154 315 19 13.4 -13.4 | 267 18 17.7 0.9 40 100 16400 300 18 15.6 -9.0 | 255 21 19.9 5.3 41 99 16459 295 21 19.0 -8.9 | 257 24 23.3 5.5 42 94 16764 300 18 15.6 -9.0 | 255 21 19.9 5.3 43 90 17069 265 21 20.9 1.8 | 237 30 25.2 16.2 44 81 17678 280 23 22.7 -4.0 | 249 29 26.9 10.3 45 74 18288 295 9 8.2 -3.8 | 230 16 12.4 10.5 46 70 18610 235 8 6.6 4.6 | 210 22 10.8 18.9 47 67 18898 250 10 9.4 3.4 | 218 22 13.7 17.7 48 52 20422 215 10 5.7 8.2 | 204 25 10.0 22.5 49 50 20700 190 8 1.4 7.9 | 194 23 5.7 22.2 50 47 21031 220 10 6.4 7.7 | 206 24 10.7 22.0 51 45 21336 255 11 10.6 2.8 | 221 23 14.9 17.2 52 43 21641 15 10 -2.6 -9.7 | 200 5 1.7 4.7 53 41 21946 25 10 -4.2 -9.1 | 180 5 0.0 5.3 54 32 23470 0 0 -0.0 -0.0 | 197 15 4.3 14.3 55 30 23890 10 2 -0.3 -2.0 | 198 13 3.9 12.4 56 28 24384 85 2 -2.0 -0.2 | 189 14 2.3 14.2 57 24 25298 270 10 10.0 -0.0 | 225 20 14.3 14.3 58 23 25603 325 12 6.9 -9.8 | 248 12 11.2 4.5 59 22 25908 330 10 5.0 -8.7 | 239 11 9.3 5.7 60 21 26213 270 10 10.0 -0.0 | 225 20 14.3 14.3 61 20 26460 260 12 11.8 2.1 | 224 23 16.1 16.4 62 20 26518 280 13 12.8 -2.3 | 235 21 17.1 12.1 63 19 26822 255 13 12.6 3.4 | 224 24 16.8 17.7 64 18 27127 270 14 14.0 -0.0 | 232 23 18.3 14.3 65 17 27432 265 16 15.9 1.4 | 232 26 20.2 15.7 66 16 28042 310 32 24.5 -20.6 | 282 29 28.8 -6.2 67 15 28346 315 26 18.4 -18.4 | 280 23 22.7 -4.1 68 14 28651 270 22 22.0 -0.0 | 241 30 26.3 14.3 69 14 28956 280 16 15.8 -2.8 | 240 23 20.0 11.5 70 12 29566 255 23 22.2 6.0 | 233 33 26.5 20.3 71 12 29870 250 23 21.6 7.9 | 229 34 25.9 22.2 72 10 30870 265 40 39.8 3.5 | 248 48 44.1 17.8 73 7 33180 275 45 44.8 -3.9 | 258 50 49.1 10.4 Wind Parameters Mean winds (0-6000m): 346.6 at 19.9 knts Storm direction: 16.6 at 14.9 knts Shear (0-3000m) pos: 4.2 neg: 2.2 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 136.4 deg Storm rel helicity (0-3000m) pos: 176.6 neg: -22.0 tot: 154.6 m^2/s^2 ave: 51.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 5.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 89.11 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 ------------------------------------------------------------------------------- 500 161 6 187 20| 4.3 0.0 4.3| 12.1 -6.4 5.7 11.4 0.13| 6.7 0.9 1000 176 6 191 21| 4.5 0.0 4.5| 51.9 -6.4 45.4 45.4 0.54| 7.3 4.0 1500 224 8 206 23| 6.1 0.0 6.1|136.7 -6.4 130.3 86.9 0.76| 10.2 7.8 2000 273 10 226 20| 4.7 0.0 4.7|159.8 -6.4 153.4 76.7 0.69| 10.6 7.4 2500 315 12 244 14| 5.0 0.0 5.0|176.6 -6.4 170.1 68.0 0.73| 10.8 7.8 3000 335 14 261 10| 4.2 2.2 6.4|176.6 -22.0 154.6 51.5 0.50| 11.2 5.7 4000 342 18 285 10| 2.6 1.6 4.3|180.4 -24.5 155.9 39.0 0.46| 9.4 4.3 5000 347 19 296 9| 2.0 2.1 4.1|192.4 -42.7 149.7 29.9 0.34| 9.2 3.2 6000 347 20 300 10| 2.3 1.9 4.2|219.3 -48.6 170.6 28.4 0.37| 8.6 3.2 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251015.12.gif