UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 31 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 16.6 13.5 82 3.1 14.7 265 7 288.4 290.1 287.2 315.3 9.61 1 1009 62 14.6 12.4 87 2.2 13.3 267 7 287.0 288.6 286.1 312.1 8.99 2 1000 138 13.8 12.1 89 1.7 12.8 270 8 287.0 288.5 285.9 311.7 8.90 3 989 231 13.0 11.9 93 1.1 12.4 290 5 287.1 288.6 285.9 311.8 8.88 4 982 291 13.0 11.7 92 1.3 12.2 302 3 287.6 289.2 286.1 312.3 8.82 5 980 308 13.8 11.4 85 2.4 12.4 306 3 288.6 290.1 286.4 312.9 8.66 6 973 369 13.8 11.5 86 2.3 12.4 323 3 289.2 290.8 286.7 313.9 8.79 7 966 430 13.6 11.0 84 2.6 12.1 341 3 289.6 291.1 286.6 313.7 8.56 8 960 483 14.0 10.1 77 3.9 11.7 355 3 290.5 292.0 286.6 313.5 8.10 9 949 581 18.8 9.8 56 9.0 13.4 23 3 296.4 297.8 288.6 319.7 8.03 10 948 590 18.6 10.6 60 8.0 13.7 25 3 296.2 297.8 289.0 320.9 8.49 11 941 654 18.8 9.8 56 9.0 13.4 25 3 297.1 298.5 288.9 320.7 8.10 12 934 718 19.2 5.2 40 14.0 11.3 19 4 298.1 299.2 287.3 315.7 5.94 13 925 801 18.8 4.8 40 14.0 11.0 10 5 298.5 299.6 287.3 315.8 5.83 14 903 1007 17.2 4.2 42 13.0 10.0 339 4 298.9 300.0 287.4 315.9 5.73 15 888 1150 18.0 -2.0 26 20.0 8.0 282 5 301.2 301.9 286.2 312.5 3.71 16 881 1217 17.8 0.8 32 17.0 8.9 256 5 301.7 302.5 287.3 315.6 4.60 17 878 1246 18.0 -6.0 19 24.0 6.8 252 6 302.2 302.7 285.6 310.8 2.78 18 868 1344 17.6 -2.4 25 20.0 7.6 241 8 302.8 303.4 286.8 314.1 3.69 19 858 1443 17.4 -7.6 17 25.0 6.1 229 10 303.6 304.0 285.8 311.4 2.51 20 853 1493 17.6 -25.4 4 43.0 3.6 223 11 304.3 304.4 283.9 306.2 0.57 21 850 1523 17.8 -13.2 11 31.0 5.1 220 12 304.8 305.1 285.3 310.0 1.62 22 847 1553 17.6 -5.4 20 23.0 6.6 215 10 304.9 305.5 286.8 314.3 3.01 23 842 1604 17.2 -4.8 22 22.0 6.6 216 10 305.0 305.6 287.1 314.9 3.17 24 833 1695 16.8 -8.2 17 25.0 5.5 218 10 305.5 306.0 286.5 313.3 2.47 25 755 2523 11.4 -16.6 12 28.0 0.9 281 10 308.4 308.6 286.4 312.9 1.38 26 714 2987 10.0 -32.0 3 42.0 -1.7 273 9 311.8 311.9 286.4 313.1 0.37 27 700 3151 8.8 -32.2 4 41.0 -2.4 285 7 312.2 312.3 286.6 313.5 0.37 28 680 3390 7.6 -34.4 3 42.0 -3.3 293 10 313.5 313.5 286.9 314.6 0.30 29 582 4648 -2.1 -34.1 7 32.0 -9.5 271 13 316.4 316.5 288.0 317.8 0.37 30 558 4981 -3.7 -36.7 6 33.0 -10.8 285 16 318.4 318.4 288.6 319.5 0.30 31 557 4995 -3.7 -42.7 3 39.0 -11.1 285 16 318.5 318.6 288.5 319.1 0.16 32 530 5386 -5.5 -37.5 6 32.0 -12.2 285 21 320.9 321.0 289.3 322.0 0.29 33 517 5580 -7.1 -30.1 14 23.0 -12.8 285 23 321.3 321.4 289.8 323.5 0.61 34 500 5840 -9.3 -35.3 10 26.0 -14.7 285 25 321.7 321.8 289.7 323.1 0.38 35 493 5949 -10.3 -38.3 8 28.0 -15.6 285 25 321.8 321.8 289.6 322.8 0.28 36 421 7143 -20.5 -38.5 18 18.0 -23.3 273 28 323.6 323.6 290.2 324.8 0.33 37 400 7520 -23.3 -41.3 18 18.0 -25.7 265 28 324.7 324.8 290.5 325.7 0.26 38 399 7538 -23.5 -40.5 19 17.0 -25.8 265 28 324.7 324.7 290.5 325.7 0.28 39 391 7686 -24.1 -40.1 21 16.0 -26.3 262 29 325.8 325.8 290.8 326.9 0.30 40 385 7798 -24.7 -47.7 10 23.0 -27.2 257 28 326.4 326.5 290.9 327.0 0.13 41 377 7950 -25.5 -49.5 9 24.0 -27.9 250 28 327.3 327.4 291.1 327.8 0.11 42 370 8086 -26.3 -48.3 11 22.0 -28.5 251 30 328.0 328.1 291.3 328.5 0.13 43 364 8203 -27.5 -43.5 20 16.0 -29.3 252 31 328.0 328.0 291.4 328.8 0.22 44 357 8342 -28.7 -50.7 10 22.0 -30.6 253 33 328.2 328.2 291.3 328.6 0.10 45 347 8545 -30.5 -40.5 37 10.0 -31.7 255 35 328.4 328.5 291.6 329.6 0.32 46 344 8606 -31.1 -43.1 30 12.0 -32.4 255 36 328.4 328.5 291.5 329.4 0.25 47 342 8647 -31.3 -52.3 11 21.0 -32.9 256 36 328.7 328.7 291.5 329.1 0.09 48 337 8751 -32.1 -40.1 45 8.0 -33.0 257 37 329.0 329.1 291.8 330.3 0.35 49 334 8814 -32.5 -40.5 45 8.0 -33.4 257 38 329.3 329.4 291.9 330.6 0.33 50 333 8835 -32.7 -41.7 40 9.0 -33.7 257 38 329.3 329.4 291.8 330.4 0.30 51 332 8856 -32.9 -53.9 10 21.0 -34.3 258 39 329.3 329.3 291.6 329.6 0.08 52 324 9027 -34.3 -43.3 40 9.0 -35.2 259 41 329.7 329.7 291.9 330.7 0.26 53 319 9136 -34.9 -49.9 20 15.0 -36.0 260 42 330.3 330.4 291.9 330.8 0.13 54 310 9334 -36.5 -47.5 31 11.0 -37.4 258 42 330.8 330.8 292.1 331.5 0.17 55 300 9560 -38.7 -48.7 34 10.0 -39.4 255 41 330.8 330.9 292.1 331.4 0.15 56 250 10790 -48.1 -55.1 44 7.0 -48.4 260 41 334.6 334.6 293.0 334.9 0.09 57 200 12210 -60.5 -64.5 59 4.0 -60.6 280 40 337.0 337.0 293.6 337.1 0.03 58 184 12729 -62.3 -70.3 33 8.0 -62.4 265 46 342.2 342.2 294.8 342.2 0.02 59 161 13554 -63.3 -77.2 14 13.9 -63.4 275 61 353.7 353.7 297.4 353.7 0.01 60 150 13990 -63.9 -80.9 8 17.0 -64.0 280 53 360.0 360.0 298.7 360.0 0.00 61 100 16460 -66.9 -85.9 5 19.0 -67.0 275 37 398.5 398.5 305.0 398.5 0.00 62 89 17162 -66.3 -86.3 4 20.0 -66.4 273 35 413.2 413.2 306.9 413.2 0.00 63 86 17368 -67.7 -87.7 4 20.0 -67.8 280 34 414.4 414.4 307.0 414.4 0.00 64 80 17803 -65.9 -87.9 3 22.0 -66.1 286 28 426.8 426.8 308.5 426.8 0.00 65 70 18610 -66.5 -88.5 3 22.0 -66.7 290 18 442.1 442.1 310.1 442.1 0.00 66 68 18786 -67.3 -89.3 3 22.0 -67.5 287 18 444.1 444.1 310.3 444.1 0.00 67 57 19865 -62.3 -88.3 2 26.0 -62.7 325 26 478.4 478.4 313.3 478.4 0.00 68 52 20430 -64.9 -89.9 2 25.0 -65.2 330 22 485.1 485.1 313.8 485.1 0.00 69 50 20670 -63.7 -89.7 2 26.0 -64.1 315 20 493.4 493.4 314.5 493.4 0.00 70 47 21049 -64.5 -89.5 2 25.0 -64.8 327 20 500.3 500.3 314.9 500.3 0.00 71 41 21886 -63.9 -89.9 2 26.0 -64.3 277 9 521.7 521.7 316.4 521.7 0.00 72 40 22038 -62.3 -90.3 1 28.0 -62.9 289 12 529.4 529.4 316.9 529.4 0.00 73 38 22354 -63.7 -89.7 2 26.0 -64.2 317 17 533.7 533.7 317.2 533.7 0.00 74 31 23607 -62.9 -89.9 1 27.0 -63.6 331 10 567.8 567.8 319.0 567.8 0.00 75 30 23810 -61.1 -90.1 1 29.0 -61.9 315 7 578.1 578.1 319.6 578.1 0.00 76 28 24241 -58.3 -88.3 1 30.0 -59.5 311 9 597.4 597.4 320.5 597.4 0.01 77 24 25203 -61.3 -89.3 1 28.0 -62.3 24 12 615.6 615.6 321.3 615.6 0.01 78 23 25468 -59.9 -88.9 1 29.0 -61.1 342 10 627.2 627.2 321.8 627.3 0.01 79 21 26035 -60.9 -88.9 1 28.0 -62.0 306 14 640.8 640.8 322.3 640.8 0.01 80 20 26340 -57.9 -88.9 1 31.0 -59.6 310 8 658.9 658.9 323.0 659.0 0.01 81 19 26665 -55.9 -86.9 1 31.0 -58.0 304 14 674.9 674.9 323.6 675.0 0.01 82 17 27370 -58.1 -88.1 1 30.0 -59.9 277 10 689.7 689.7 324.1 689.7 0.01 83 15 28164 -55.5 -86.5 1 31.0 -58.1 328 11 723.4 723.4 325.1 723.5 0.01 84 13 29080 -54.1 -86.1 1 32.0 -57.4 305 10 758.5 758.5 326.2 758.6 0.02 85 12 29591 -56.1 -87.1 1 31.0 -59.0 248 11 769.0 769.0 326.4 769.1 0.02 86 10 30760 -52.7 -84.7 1 32.0 -57.2 235 14 822.8 822.8 327.8 823.1 0.03 87 9.5 31090 -54.9 -85.9 1 31.0 -58.7 826.7 826.7 327.9 826.9 0.03 88 8.3 31965 -48.5 -83.5 1 35.0 -55.3 884.4 884.4 329.1 884.8 0.04 89 7.4 32719 -49.3 -84.3 1 35.0 -56.2 910.7 910.7 329.7 911.1 0.04 TRP 184 12729 -62.3 -70.3 33 8.0 -62.4 265 46 342.2 342.2 294.8 342.2 0.02 WND 161 13554 -63.3 -77.2 14 13.9 -63.4 275 61 353.7 353.7 297.4 353.7 0.01 Sounding variables and indices 1000-500 mb thick: 5702.00 m Freezing level: 603.22 mb = 4375.51 m = 14355.18 ft Wetbulb zero: 741.02 mb = 2678.10 m = 8786.32 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 19.41 % Est. max temperature: 31.15 C = 88.07 F Sfc-Lift cond lev (LCL): 970.20 mb = 393.28 m = 1290.26 ft T: 13.72 C 700-500 lapse rate: 6.73 C/km ThetaE index: 5.22 C Layer 941.0- 925.0 mb Conv cond level (CCL): 642.58 mb = 3847.45 m = 12622.72 ft Mean mixing ratio: 8.01 g/kg Conv temperature: 42.88 C = 109.19 F Cap Strength: 10.86 C Lifted Index: 10.02 C Risk: None Lifted Index @300 mb: 11.67 C Lifted Index @700 mb: 10.60 C Showalter Index: 13.00 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 27.10 C Cross Totals Index: -3.90 C K Index: -27.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.41 J/kg Max Up Vert Vel: 11.35 m/s Conv Inhibition (B-): 51732.65 J/kg Cap Strength: 10.90 C Lift Cond Lev (LCL): 883.75 mb = 1190.65 m = 3906.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 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 1016 3 265 7 7.0 0.6 | 179 5 -0.1 5.1 1 1000 138 270 8 8.0 -0.0 | 192 5 0.9 4.5 2 981 305 305 3 2.5 -1.7 | 121 5 -4.6 2.8 3 946 610 30 3 -1.5 -2.6 | 103 9 -8.6 1.9 4 925 801 10 5 -0.9 -4.9 | 87 8 -7.9 -0.4 5 913 914 15 4 -1.0 -3.9 | 95 8 -8.1 0.6 6 881 1219 255 5 4.8 1.3 | 159 6 -2.2 5.8 7 850 1523 220 12 7.7 9.2 | 183 14 0.7 13.7 8 850 1524 215 10 5.7 8.2 | 174 13 -1.3 12.7 9 820 1829 220 10 6.4 7.7 | 177 12 -0.6 12.2 10 790 2134 225 9 6.4 6.4 | 176 11 -0.7 10.9 11 762 2438 290 10 9.4 -3.4 | 245 3 2.3 1.1 12 735 2743 255 11 10.6 2.8 | 206 8 3.6 7.4 13 700 3151 285 7 6.8 -1.8 | 174 3 -0.3 2.7 14 683 3353 295 10 9.1 -4.2 | 262 2 2.0 0.3 15 657 3658 275 9 9.0 -0.8 | 207 4 1.9 3.7 16 609 4267 250 11 10.3 3.8 | 202 9 3.3 8.3 17 564 4877 285 15 14.5 -3.9 | 265 7 7.4 0.6 18 543 5182 285 19 18.4 -4.9 | 272 11 11.3 -0.4 19 500 5840 285 25 24.1 -6.5 | 277 17 17.1 -2.0 20 483 6096 285 26 25.1 -6.7 | 277 18 18.1 -2.2 21 428 7010 275 28 27.9 -2.4 | 264 21 20.8 2.1 22 400 7520 265 28 27.9 2.4 | 252 22 20.8 6.9 23 394 7620 265 29 28.9 2.5 | 252 23 21.8 7.0 24 378 7925 250 28 26.3 9.6 | 234 24 19.3 14.1 25 318 9144 260 42 41.4 7.3 | 251 36 34.3 11.8 26 300 9560 255 41 39.6 10.6 | 245 36 32.5 15.1 27 266 10363 260 44 43.3 7.6 | 251 38 36.3 12.1 28 250 10790 260 41 40.4 7.1 | 251 35 33.3 11.6 29 200 12210 280 40 39.4 -6.9 | 274 32 32.3 -2.4 30 191 12497 275 39 38.9 -3.4 | 268 32 31.8 1.1 31 184 12729 265 46 45.8 4.0 | 258 40 38.8 8.5 32 173 13106 265 51 50.8 4.4 | 258 45 43.7 9.0 33 161 13554 275 61 60.8 -5.3 | 271 54 53.7 -0.8 34 157 13716 275 61 60.8 -5.3 | 271 54 53.7 -0.8 35 150 13990 280 53 52.2 -9.2 | 276 45 45.1 -4.7 36 128 14935 290 40 37.6 -13.7 | 287 32 30.5 -9.2 37 122 15240 280 46 45.3 -8.0 | 275 38 38.2 -3.5 38 116 15545 285 52 50.2 -13.5 | 282 44 43.2 -8.9 39 105 16154 280 31 30.5 -5.4 | 272 23 23.5 -0.9 40 100 16460 275 37 36.9 -3.2 | 268 30 29.8 1.3 41 95 16764 275 37 36.9 -3.2 | 268 30 29.8 1.3 42 90 17069 270 36 36.0 -0.0 | 261 29 28.9 4.5 43 82 17678 290 31 29.1 -10.6 | 285 23 22.1 -6.1 44 78 17983 280 23 22.7 -4.0 | 268 16 15.6 0.5 45 74 18288 305 24 19.7 -13.8 | 306 16 12.6 -9.3 46 70 18610 290 18 16.9 -6.2 | 279 10 9.9 -1.6 47 67 18898 285 18 17.4 -4.7 | 271 10 10.3 -0.2 48 64 19202 280 24 23.6 -4.2 | 269 17 16.6 0.3 49 58 19812 325 26 14.9 -21.3 | 335 19 7.9 -16.8 50 52 20422 330 22 11.0 -19.1 | 345 15 3.9 -14.5 51 50 20670 315 20 14.1 -14.1 | 324 12 7.1 -9.6 52 47 21031 325 20 11.5 -16.4 | 340 13 4.4 -11.9 53 45 21336 360 16 -0.0 -16.0 | 32 13 -7.1 -11.5 54 43 21641 265 2 2.0 0.2 | 133 7 -5.1 4.7 55 41 21946 280 10 9.8 -1.7 | 225 4 2.8 2.8 56 37 22555 335 20 8.5 -18.1 | 354 14 1.4 -13.6 57 32 23470 315 10 7.1 -7.1 | 360 3 0.0 -2.6 58 30 23774 350 11 1.9 -10.8 | 39 8 -5.1 -6.3 59 30 23810 315 7 4.9 -4.9 | 78 2 -2.1 -0.4 60 29 24079 300 5 4.3 -2.5 | 126 3 -2.7 2.0 61 27 24384 320 13 8.4 -10.0 | 347 6 1.3 -5.4 62 26 24689 305 17 13.9 -9.8 | 307 9 6.9 -5.2 63 25 24994 350 17 3.0 -16.7 | 19 13 -4.1 -12.2 64 24 25298 40 10 -6.4 -7.7 | 77 14 -13.5 -3.2 65 23 25603 295 10 9.1 -4.2 | 262 2 2.0 0.3 66 20 26213 310 16 12.3 -10.3 | 318 8 5.2 -5.8 67 20 26340 310 8 6.1 -5.1 | 56 1 -0.9 -0.6 68 19 26518 310 15 11.5 -9.6 | 319 7 4.4 -5.1 69 17 27432 275 10 10.0 -0.9 | 219 5 2.9 3.6 70 15 28346 340 11 3.8 -10.3 | 30 7 -3.3 -5.8 71 14 28651 310 6 4.6 -3.9 | 105 3 -2.5 0.7 72 13 28956 320 10 6.4 -7.7 | 11 3 -0.6 -3.2 73 13 29261 285 11 10.6 -2.8 | 245 4 3.6 1.7 74 12 29566 245 10 9.1 4.2 | 193 9 2.0 8.7 75 11 29870 270 19 19.0 -0.0 | 249 13 11.9 4.5 76 10 30760 235 14 11.5 8.0 | 199 13 4.4 12.5 Wind Parameters Mean winds (0-6000m): 272.6 at 11.2 knts Storm direction: 302.6 at 8.4 knts Shear (0-3000m) pos: 2.6 neg: 2.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 20.3 deg Storm rel helicity (0-3000m) pos: 28.7 neg: -24.1 tot: 4.6 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 12.16 Bulk Shear: 5.29 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 ------------------------------------------------------------------------------- 500 285 5 146 4| 8.1 0.0 8.1| 1.0 -8.0 -7.0 -13.9 -0.62| 10.1 -6.3 1000 324 4 102 4| 4.0 0.9 5.0| 3.3 -12.9 -9.6 -9.6 -0.42| 8.8 -3.7 1500 284 5 149 4| 2.7 4.8 7.5| 15.6 -12.9 2.7 1.8 0.04| 10.9 0.4 2000 248 6 171 7| 2.5 3.6 6.1| 17.2 -19.3 -2.2 -1.1 -0.01| 9.1 -0.1 2500 250 7 176 7| 3.1 2.9 6.0| 28.7 -19.5 9.2 3.7 0.13| 9.4 1.2 3000 254 8 182 7| 2.6 2.5 5.1| 28.7 -24.1 4.6 1.5 0.05| 9.2 0.5 4000 263 8 189 6| 2.2 2.4 4.6| 29.7 -26.9 2.8 0.7 0.03| 8.2 0.2 5000 265 9 199 6| 2.3 1.9 4.2| 48.7 -27.7 20.9 4.2 0.14| 7.8 1.1 6000 273 11 226 6| 1.9 1.9 3.8| 54.7 -27.7 26.9 4.5 0.15| 7.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251031.00.gif