UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 13 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 1006 3 13.0 9.8 81 3.2 11.2 165 4 285.7 287.0 284.1 306.7 7.57 1 1000 59 13.6 9.6 77 4.0 11.3 165 4 286.8 288.1 284.5 307.8 7.52 2 944 542 9.8 9.0 95 0.8 9.3 283 9 287.7 289.0 285.0 309.1 7.65 3 928 684 9.6 5.2 74 4.4 7.3 299 12 288.9 289.9 283.7 305.8 5.98 4 925 711 9.2 5.3 77 3.9 7.2 300 13 288.7 289.8 283.7 305.9 6.04 5 920 756 9.0 4.5 73 4.5 6.6 304 15 289.0 290.0 283.5 305.3 5.74 6 918 774 9.0 4.5 73 4.5 6.6 306 15 289.1 290.2 283.6 305.5 5.75 7 901 929 9.8 1.8 57 8.0 5.8 320 21 291.5 292.4 283.6 305.5 4.83 8 850 1411 6.8 -0.2 61 7.0 3.4 310 23 293.3 294.1 283.9 306.2 4.43 9 828 1626 5.6 -0.4 65 6.0 2.7 302 24 294.2 295.0 284.3 307.4 4.49 10 795 1958 4.8 -4.2 52 9.0 0.8 293 23 296.8 297.4 284.3 307.3 3.52 11 794 1969 4.8 -4.2 52 9.0 0.8 293 23 296.9 297.5 284.4 307.5 3.52 12 792 1989 4.8 -5.2 48 10.0 0.4 292 22 297.1 297.7 284.2 307.0 3.27 13 791 2000 4.8 -5.2 48 10.0 0.4 292 22 297.2 297.8 284.2 307.1 3.28 14 766 2261 3.8 -6.2 48 10.0 -0.4 296 18 298.9 299.5 284.7 308.4 3.14 15 700 2986 -2.1 -6.0 75 3.9 -3.7 300 14 300.2 300.8 285.6 310.8 3.49 16 699 2997 -2.3 -6.2 75 3.9 -3.9 300 14 300.1 300.7 285.5 310.5 3.44 17 691 3089 -2.5 -7.4 69 4.9 -4.5 299 15 300.8 301.4 285.5 310.5 3.17 18 655 3512 -5.3 -8.3 79 3.0 -6.5 285 19 302.3 302.9 286.0 311.9 3.12 19 650 3572 -5.5 -9.2 75 3.7 -7.0 282 20 302.7 303.3 285.9 311.8 2.93 20 648 3596 -5.3 -9.4 73 4.1 -6.9 280 20 303.2 303.8 286.1 312.2 2.89 21 642 3669 -5.5 -10.2 69 4.7 -7.3 275 21 303.8 304.3 286.2 312.3 2.74 22 639 3706 -5.5 -12.5 58 7.0 -8.0 274 21 304.2 304.6 285.8 311.4 2.29 23 630 3818 -5.7 -14.7 49 9.0 -8.7 272 22 305.2 305.6 285.8 311.4 1.94 24 573 4553 -12.1 -15.9 73 3.8 -13.3 264 27 306.1 306.5 286.1 312.3 1.93 25 562 4701 -13.3 -17.2 72 3.9 -14.5 267 29 306.4 306.7 286.1 312.1 1.77 26 520 5288 -18.7 -18.8 99 0.1 -18.7 264 34 306.8 307.1 286.1 312.1 1.67 27 509 5447 -20.1 -20.4 97 0.3 -20.2 262 35 307.0 307.2 285.9 311.8 1.48 28 508 5461 -20.1 -21.1 92 1.0 -20.3 262 35 307.1 307.4 285.9 311.7 1.40 29 507 5476 -19.3 -35.3 23 16.0 -21.8 262 35 308.3 308.3 285.2 309.6 0.37 30 506 5491 -18.9 -36.9 19 18.0 -21.6 261 35 308.9 309.0 285.4 310.1 0.32 31 505 5506 -18.5 -32.5 28 14.0 -20.9 261 35 309.6 309.7 285.8 311.3 0.49 32 500 5580 -18.3 -35.3 21 17.0 -21.0 260 36 310.7 310.8 286.1 312.1 0.38 33 495 5655 -18.1 -38.1 16 20.0 -21.1 260 36 311.9 311.9 286.4 312.9 0.29 34 483 5837 -19.5 -42.5 11 23.0 -22.4 260 35 312.3 312.4 286.4 313.0 0.19 35 402 7165 -31.9 -42.9 33 11.0 -32.9 264 39 313.1 313.1 286.7 313.9 0.22 36 400 7200 -32.3 -44.3 29 12.0 -33.3 265 39 313.0 313.0 286.6 313.7 0.19 37 393 7324 -32.9 -48.9 19 16.0 -34.0 265 41 313.8 313.8 286.8 314.2 0.11 38 385 7468 -34.1 -48.1 23 14.0 -35.1 265 43 314.1 314.1 286.9 314.6 0.13 39 383 7505 -33.9 -49.9 18 16.0 -35.0 265 44 314.8 314.8 287.2 315.2 0.10 40 373 7690 -34.1 -57.1 8 23.0 -35.3 263 46 316.9 317.0 287.8 317.1 0.05 41 333 8473 -39.5 -63.5 6 24.0 -40.4 245 50 320.0 320.0 288.8 320.1 0.02 42 328 8577 -39.5 -61.5 8 22.0 -40.4 245 51 321.4 321.4 289.2 321.5 0.03 43 302 9136 -44.1 -59.1 17 15.0 -44.6 245 59 322.6 322.6 289.6 322.8 0.04 44 300 9180 -44.5 -56.5 25 12.0 -44.9 245 60 322.6 322.6 289.6 322.9 0.06 45 299 9202 -44.9 -57.9 22 13.0 -45.3 245 60 322.4 322.4 289.5 322.6 0.05 46 290 9405 -46.5 -54.5 40 8.0 -46.8 245 61 322.9 322.9 289.8 323.2 0.08 47 283 9566 -48.1 -54.1 50 6.0 -48.3 245 62 322.9 322.9 289.8 323.2 0.09 48 280 9636 -48.5 -55.5 44 7.0 -48.7 245 62 323.3 323.3 289.9 323.6 0.07 49 279 9659 -48.4 -57.4 35 9.0 -48.7 245 62 323.8 323.8 290.0 324.0 0.06 50 278 9683 -48.3 -59.3 27 11.0 -48.6 245 62 324.3 324.3 290.1 324.4 0.05 51 267 9948 -47.9 -65.9 11 18.0 -48.3 247 58 328.6 328.6 291.3 328.7 0.02 52 250 10380 -48.5 -70.5 6 22.0 -49.0 250 49 334.0 334.0 292.8 334.0 0.01 53 230 10927 -49.5 -75.5 3 26.0 -50.0 250 42 340.5 340.5 294.4 340.5 0.01 54 217 11310 -46.9 -77.9 2 31.0 -47.5 250 39 350.2 350.2 296.7 350.3 0.00 55 207 11622 -46.7 -77.7 2 31.0 -47.4 251 45 355.3 355.3 297.8 355.3 0.00 56 200 11850 -47.5 -78.5 2 31.0 -48.1 255 41 357.6 357.6 298.2 357.6 0.00 57 178 12614 -51.1 -80.1 2 29.0 -51.6 257 38 363.8 363.8 299.4 363.8 0.00 58 150 13720 -53.5 -81.5 2 28.0 -53.9 260 35 377.9 377.9 301.9 377.9 0.00 59 100 16300 -58.9 -84.9 2 26.0 -59.2 250 37 413.9 413.9 307.0 413.9 0.00 60 84 17394 -60.3 -86.3 2 26.0 -60.6 262 27 432.2 432.2 309.1 432.3 0.00 61 70 18540 -57.7 -86.7 1 29.0 -58.3 260 11 460.9 460.9 311.8 461.0 0.00 62 69 18631 -57.5 -86.5 1 29.0 -58.0 261 11 463.3 463.3 312.1 463.3 0.00 63 62 19302 -59.9 -86.9 2 27.0 -60.4 242 19 472.4 472.4 312.8 472.4 0.00 64 55 20057 -55.7 -85.7 1 30.0 -56.6 248 20 498.4 498.4 314.8 498.5 0.00 65 50 20660 -58.3 -86.3 2 28.0 -59.0 255 6 506.1 506.1 315.4 506.1 0.00 66 48 20915 -59.3 -87.3 1 28.0 -59.9 270 8 509.7 509.7 315.6 509.7 0.00 67 46 21181 -57.7 -86.7 1 29.0 -58.5 299 5 519.8 519.8 316.3 519.8 0.00 68 45 21319 -59.1 -87.1 1 28.0 -59.8 313 3 519.6 519.6 316.3 519.7 0.00 69 44 21460 -57.9 -86.9 1 29.0 -58.7 262 8 525.9 525.9 316.6 525.9 0.00 70 36 22715 -59.7 -87.7 1 28.0 -60.5 208 10 552.3 552.3 318.2 552.4 0.00 71 36 22715 -59.7 -87.7 1 28.0 -60.5 208 10 552.3 552.3 318.2 552.4 0.00 72 36 22715 -59.7 -87.7 1 28.0 -60.5 208 10 552.3 552.3 318.2 552.4 0.00 73 30 23860 -56.3 -87.3 1 31.0 -57.7 250 20 591.2 591.2 320.2 591.2 0.01 74 29 24076 -55.7 -86.7 1 31.0 -57.2 255 19 598.6 598.6 320.6 598.6 0.01 75 27 24534 -55.1 -86.1 1 31.0 -56.8 267 18 612.6 612.6 321.2 612.7 0.01 76 26 24775 -55.3 -86.3 1 31.0 -57.1 280 17 618.7 618.7 321.5 618.8 0.01 77 25 25028 -52.9 -84.9 1 32.0 -55.2 258 19 632.6 632.6 322.0 632.6 0.01 78 21 26149 -55.7 -86.7 1 31.0 -57.7 275 16 656.5 656.5 322.9 656.5 0.01 79 20 26460 -55.9 -85.9 1 30.0 -57.9 230 16 665.1 665.1 323.3 665.2 0.01 80 19 26786 -56.3 -86.3 1 30.0 -58.3 239 12 673.7 673.7 323.6 673.7 0.01 81 13 29227 -50.5 -83.5 1 33.0 -55.0 261 29 771.0 771.0 326.5 771.2 0.03 82 12 29744 -54.1 -85.1 1 31.0 -57.6 271 33 776.1 776.1 326.7 776.3 0.02 83 10 30920 -51.7 -84.7 1 33.0 -56.5 265 42 826.6 826.6 327.9 826.8 0.03 84 10 30920 -52.3 -85.3 1 33.0 -56.9 265 42 824.3 824.3 327.8 824.6 0.03 85 10 30920 -51.1 -84.1 1 33.0 -56.2 265 42 828.8 828.8 327.9 829.1 0.03 86 9.5 31253 -52.1 -85.1 1 33.0 -56.9 837.3 837.3 328.1 837.5 0.03 87 8.6 31899 -50.9 -84.9 1 34.0 -56.5 866.1 866.1 328.7 866.4 0.03 88 8.4 32053 -49.3 -83.3 1 34.0 -55.7 878.2 878.3 329.0 878.7 0.05 89 7.4 32881 -50.9 -84.9 1 34.0 -57.1 904.2 904.2 329.5 904.5 0.04 TRP 280 9636 -48.5 -55.5 44 7.0 -48.7 245 62 323.3 323.3 289.9 323.6 0.07 WND 279 9659 -48.4 -57.4 35 9.0 -48.7 245 62 323.8 323.8 290.0 324.0 0.06 Sounding variables and indices 1000-500 mb thick: 5521.00 m Freezing level: 723.49 mb = 2728.04 m = 8950.17 ft Wetbulb zero: 778.77 mb = 2126.58 m = 6976.87 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 68.29 % Est. max temperature: 20.41 C = 68.74 F Sfc-Lift cond lev (LCL): 958.71 mb = 412.35 m = 1352.83 ft T: 10.82 C 700-500 lapse rate: 6.25 C/km ThetaE index: 3.27 C Layer 928.0- 925.0 mb Conv cond level (CCL): 833.84 mb = 1568.41 m = 5145.65 ft Mean mixing ratio: 7.01 g/kg Conv temperature: 21.31 C = 70.35 F Cap Strength: 5.12 C Lifted Index: 5.59 C Risk: None Lifted Index @300 mb: 10.85 C Lifted Index @700 mb: 3.21 C Showalter Index: 6.41 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 18.10 C K Index: 21.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 82.00 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.66 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 60334.47 J/kg Cap Strength: 5.20 C Lift Cond Lev (LCL): 912.30 mb = 825.67 m = 2708.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 16 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 1006 3 165 4 -1.0 3.9 | 136 20 -13.6 14.3 1 1000 59 165 4 -1.0 3.9 | 136 20 -13.6 14.3 2 971 305 240 6 5.2 3.0 | 151 15 -7.4 13.4 3 936 610 295 10 9.1 -4.2 | 151 7 -3.5 6.2 4 925 711 300 13 11.3 -6.5 | 161 4 -1.3 3.9 5 903 914 320 21 13.5 -16.1 | 351 6 0.9 -5.6 6 870 1219 315 22 15.6 -15.6 | 330 6 3.0 -5.1 7 850 1411 310 23 17.6 -14.8 | 311 7 5.0 -4.3 8 807 1829 295 25 22.7 -10.6 | 271 10 10.1 -0.1 9 778 2134 290 20 18.8 -6.8 | 240 7 6.2 3.6 10 749 2438 305 14 11.5 -8.0 | 155 3 -1.1 2.4 11 721 2743 310 12 9.2 -7.7 | 129 4 -3.4 2.7 12 700 2986 300 14 12.1 -7.0 | 172 3 -0.5 3.4 13 667 3353 295 18 16.3 -7.6 | 233 5 3.7 2.8 14 642 3658 275 21 20.9 -1.8 | 224 12 8.3 8.6 15 593 4267 260 24 23.6 4.2 | 217 18 11.1 14.6 16 548 4877 270 31 31.0 -0.0 | 240 21 18.4 10.4 17 500 5580 260 36 35.5 6.3 | 234 28 22.9 16.7 18 466 6096 260 34 33.5 5.9 | 232 27 20.9 16.4 19 428 6706 250 36 33.8 12.3 | 223 31 21.2 22.8 20 400 7200 265 39 38.9 3.4 | 242 30 26.3 13.8 21 376 7620 265 46 45.8 4.0 | 246 36 33.2 14.5 22 344 8230 245 47 42.6 19.9 | 225 43 30.0 30.3 23 302 9144 245 59 53.5 24.9 | 229 54 40.9 35.4 24 300 9180 245 60 54.4 25.4 | 229 55 41.8 35.8 25 280 9636 245 62 56.2 26.2 | 230 57 43.6 36.7 26 279 9659 245 62 56.2 26.2 | 230 57 43.6 36.7 27 275 9754 245 62 56.2 26.2 | 230 57 43.6 36.7 28 250 10380 250 49 46.0 16.8 | 231 43 33.5 27.2 29 218 11278 250 38 35.7 13.0 | 225 33 23.1 23.4 30 208 11582 250 46 43.2 15.7 | 229 40 30.6 26.2 31 200 11850 255 41 39.6 10.6 | 232 34 27.0 21.1 32 190 12192 260 40 39.4 6.9 | 237 32 26.8 17.4 33 181 12497 250 38 35.7 13.0 | 225 33 23.1 23.4 34 173 12802 270 37 37.0 -0.0 | 247 27 24.4 10.4 35 165 13106 250 30 28.2 10.3 | 217 26 15.6 20.7 36 150 13720 260 35 34.5 6.1 | 233 27 21.9 16.5 37 130 14630 270 39 39.0 -0.0 | 248 28 26.4 10.4 38 124 14935 270 30 30.0 -0.0 | 239 20 17.4 10.4 39 118 15240 250 28 26.3 9.6 | 214 24 13.7 20.0 40 100 16300 250 37 34.8 12.7 | 224 32 22.2 23.1 41 97 16459 250 37 34.8 12.7 | 224 32 22.2 23.1 42 88 17069 275 31 30.9 -2.7 | 247 20 18.3 7.7 43 80 17678 250 23 21.6 7.9 | 206 20 9.0 18.3 44 76 17983 270 25 25.0 -0.0 | 230 16 12.4 10.4 45 73 18288 260 23 22.7 4.0 | 215 18 10.1 14.4 46 70 18540 260 11 10.8 1.9 | 172 12 -1.7 12.4 47 66 18898 265 12 12.0 1.0 | 177 12 -0.6 11.5 48 60 19507 230 23 17.6 14.8 | 191 26 5.0 25.2 49 57 19812 250 23 21.6 7.9 | 206 20 9.0 18.3 50 52 20422 245 15 13.6 6.3 | 183 17 1.0 16.8 51 50 20660 255 6 5.8 1.6 | 151 14 -6.8 12.0 52 49 20726 250 10 9.4 3.4 | 167 14 -3.2 13.9 53 45 21336 315 3 2.1 -2.1 | 129 13 -10.5 8.3 54 43 21641 185 14 1.2 13.9 | 155 27 -11.4 24.4 55 41 21946 155 10 -4.2 9.1 | 139 26 -16.8 19.5 56 39 22250 205 11 4.6 10.0 | 159 22 -7.9 20.4 57 37 22555 235 10 8.2 5.7 | 165 17 -4.4 16.2 58 35 22860 185 10 0.9 10.0 | 150 24 -11.7 20.4 59 32 23470 260 7 6.9 1.2 | 154 13 -5.7 11.7 60 30 23774 245 20 18.1 8.5 | 196 20 5.5 18.9 61 30 23860 250 20 18.8 6.8 | 200 18 6.2 17.3 62 29 24079 255 19 18.4 4.9 | 201 16 5.8 15.4 63 28 24384 245 19 17.2 8.0 | 194 19 4.6 18.5 64 26 24689 290 17 16.0 -5.8 | 216 6 3.4 4.6 65 25 24994 255 18 17.4 4.7 | 198 16 4.8 15.1 66 24 25298 285 27 26.1 -7.0 | 256 14 13.5 3.5 67 23 25603 300 24 20.8 -12.0 | 281 8 8.2 -1.6 68 22 25908 275 21 20.9 -1.8 | 224 12 8.3 8.6 69 21 26213 275 14 13.9 -1.2 | 188 9 1.4 9.2 70 20 26460 230 16 12.3 10.3 | 179 21 -0.3 20.7 71 19 26822 240 12 10.4 6.0 | 172 17 -2.2 16.4 72 17 27432 220 24 15.4 18.4 | 186 29 2.8 28.8 73 16 27737 240 34 29.4 17.0 | 212 32 16.9 27.4 74 16 28042 250 26 24.4 8.9 | 211 23 11.9 19.3 75 15 28346 265 30 29.9 2.6 | 233 22 17.3 13.1 76 14 28956 250 29 27.3 9.9 | 216 25 14.7 20.4 77 12 29566 275 30 29.9 -2.6 | 246 19 17.3 7.8 78 11 30175 260 41 40.4 7.1 | 238 33 27.8 17.6 79 10 30920 265 42 41.8 3.7 | 244 32 29.3 14.1 Wind Parameters Mean winds (0-6000m): 279.7 at 21.8 knts Storm direction: 309.7 at 16.4 knts Shear (0-3000m) pos: 3.5 neg: 2.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 39.1 deg Storm rel helicity (0-3000m) pos: 32.5 neg: -35.2 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 10.1 stream: -0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 43.34 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 ------------------------------------------------------------------------------- 500 235 6 150 16| 11.0 0.0 11.0| 27.8 0.0 27.8 55.6 0.51| 12.3 6.3 1000 295 10 153 7| 12.8 0.0 12.8| 29.9 -2.7 27.2 27.2 0.45| 16.0 7.2 1500 306 14 157 2| 8.6 1.7 10.3| 29.9 -10.8 19.1 12.7 0.25| 12.5 3.1 2000 303 17 230 2| 6.4 2.6 9.0| 29.9 -26.1 3.8 1.9 0.05| 11.4 0.6 2500 301 17 231 3| 4.2 2.0 6.2| 29.9 -34.3 -4.5 -1.8 -0.09| 11.2 -1.0 3000 302 16 215 2| 3.5 2.0 5.5| 32.5 -35.2 -2.7 -0.9 -0.05| 10.1 -0.5 4000 296 17 223 4| 2.6 3.2 5.8| 36.0 -41.5 -5.5 -1.4 -0.02| 9.5 -0.2 5000 287 19 229 8| 2.5 3.0 5.4| 75.9 -46.6 29.3 5.9 0.06| 8.9 0.5 6000 280 22 233 11| 2.1 2.9 4.9| 75.9 -68.4 7.5 1.3 0.02| 8.1 0.2 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251013.12.gif