UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 22 APR 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 1013 3 10.8 10.2 96 0.6 10.4 295 7 282.9 284.2 283.1 304.1 7.73 1 1000 113 10.8 9.5 92 1.3 10.1 310 7 284.0 285.2 283.2 304.6 7.46 2 986 231 10.2 8.8 91 1.4 9.5 279 4 284.5 285.7 283.2 304.5 7.22 3 980 282 11.8 9.4 85 2.4 10.4 266 3 286.6 287.9 284.5 307.7 7.57 4 977 307 12.0 9.9 87 2.1 10.8 260 2 287.1 288.4 284.9 309.0 7.85 5 951 535 15.0 3.0 44 12.0 8.8 264 7 292.3 293.2 284.1 306.8 4.99 6 949 553 15.4 1.4 39 14.0 8.3 264 7 292.9 293.7 283.8 305.9 4.46 7 940 634 17.2 1.2 34 16.0 9.0 275 8 295.5 296.3 284.8 308.6 4.44 8 934 688 17.4 3.4 39 14.0 9.9 295 8 296.3 297.2 285.9 311.7 5.23 9 925 771 17.0 7.0 52 10.0 11.3 325 7 296.7 297.9 287.6 316.6 6.80 10 924 780 17.0 7.0 52 10.0 11.3 324 7 296.8 298.0 287.6 316.7 6.81 11 921 808 17.2 6.2 48 11.0 11.0 321 6 297.3 298.4 287.5 316.2 6.46 12 919 826 17.6 -3.4 24 21.0 7.6 319 6 297.9 298.4 284.4 307.6 3.23 13 918 836 17.8 -5.2 20 23.0 7.2 318 6 298.2 298.7 284.1 306.7 2.82 14 912 892 17.8 -2.2 26 20.0 8.0 312 4 298.7 299.4 285.1 309.5 3.56 15 910 911 17.6 1.6 34 16.0 9.2 310 4 298.7 299.6 286.3 312.8 4.72 16 908 929 17.8 -2.2 26 20.0 8.0 310 4 299.1 299.7 285.3 309.9 3.58 17 850 1489 13.2 1.2 44 12.0 6.9 55 10 300.0 300.9 287.0 314.7 4.91 18 840 1588 12.2 0.2 44 12.0 6.1 55 9 299.9 300.8 286.6 313.8 4.62 19 839 1598 12.2 1.2 47 11.0 6.5 55 9 300.0 301.0 287.1 314.9 4.97 20 836 1628 12.0 0.0 44 12.0 5.9 55 9 300.1 301.0 286.7 313.9 4.57 21 833 1658 12.4 -6.6 26 19.0 3.9 55 8 300.9 301.4 285.1 309.5 2.80 22 830 1688 12.2 -6.8 26 19.0 3.8 55 8 301.0 301.5 285.1 309.5 2.76 23 819 1800 11.6 -12.4 17 24.0 2.1 55 6 301.5 301.8 284.2 307.1 1.80 24 806 1933 10.8 -21.2 9 32.0 0.3 26 6 302.0 302.2 283.4 304.9 0.87 25 796 2037 10.2 -21.8 9 32.0 -0.2 356 5 302.5 302.6 283.5 305.2 0.84 26 722 2839 5.0 -25.0 9 30.0 -3.7 310 6 305.3 305.4 284.4 307.6 0.70 27 700 3090 2.8 -26.2 10 29.0 -5.3 270 7 305.6 305.7 284.5 307.7 0.64 28 622 4033 -4.5 -29.5 12 25.0 -10.4 268 10 307.7 307.8 285.1 309.6 0.53 29 506 5621 -16.7 -42.7 9 26.0 -20.2 254 13 311.6 311.6 286.1 312.3 0.17 30 500 5710 -17.5 -43.5 8 26.0 -20.9 260 15 311.7 311.7 286.1 312.3 0.16 31 475 6091 -20.1 -54.1 3 34.0 -23.2 265 18 313.1 313.1 286.5 313.3 0.05 32 457 6376 -21.9 -41.9 15 20.0 -24.4 266 20 314.3 314.4 287.1 315.1 0.21 33 455 6408 -22.1 -49.1 7 27.0 -24.8 267 21 314.5 314.5 287.0 314.8 0.10 34 447 6538 -22.9 -50.9 6 28.0 -25.5 267 22 315.1 315.1 287.2 315.4 0.08 35 443 6604 -23.5 -40.5 19 17.0 -25.6 268 22 315.1 315.2 287.4 316.0 0.25 36 440 6653 -23.7 -43.7 14 20.0 -25.9 268 23 315.5 315.5 287.5 316.1 0.18 37 433 6770 -24.5 -39.5 24 15.0 -26.4 269 24 315.9 316.0 287.8 316.9 0.29 38 423 6939 -26.1 -35.1 43 9.0 -27.4 270 25 316.0 316.1 287.9 317.6 0.46 39 412 7129 -27.9 -35.9 46 8.0 -29.0 263 26 316.0 316.1 287.9 317.6 0.43 40 405 7252 -29.1 -34.0 63 4.9 -29.8 254 26 316.0 316.1 288.1 317.9 0.53 41 400 7340 -29.9 -34.6 64 4.7 -30.5 255 26 316.1 316.2 288.1 317.9 0.51 42 396 7412 -30.5 -34.4 69 3.9 -31.0 256 26 316.3 316.4 288.1 318.1 0.52 43 392 7484 -31.1 -34.9 69 3.8 -31.6 257 26 316.4 316.5 288.2 318.2 0.50 44 387 7575 -31.9 -36.9 61 5.0 -32.5 259 27 316.5 316.6 288.1 318.0 0.42 45 356 8159 -36.9 -38.6 84 1.7 -37.1 263 29 317.4 317.5 288.3 318.8 0.38 46 339 8495 -39.7 -40.9 88 1.2 -39.8 265 30 318.1 318.2 288.5 319.2 0.32 47 330 8679 -40.9 -44.0 72 3.1 -41.1 264 31 318.9 318.9 288.6 319.8 0.23 48 320 8888 -42.5 -44.8 78 2.3 -42.6 262 33 319.5 319.6 288.8 320.3 0.22 49 317 8951 -43.1 -47.4 63 4.3 -43.3 262 33 319.5 319.6 288.8 320.2 0.17 50 308 9145 -44.9 -46.8 81 1.9 -45.0 260 35 319.7 319.7 288.8 320.3 0.18 51 300 9320 -46.5 -47.7 87 1.2 -46.6 260 36 319.8 319.8 288.9 320.5 0.17 52 299 9342 -46.7 -47.7 89 1.0 -46.7 260 36 319.8 319.9 288.9 320.5 0.17 53 297 9387 -47.1 -49.3 78 2.2 -47.2 260 37 319.9 319.9 288.9 320.4 0.14 54 293 9476 -47.9 -50.4 75 2.5 -48.0 260 38 320.0 320.0 288.9 320.5 0.13 55 292 9499 -47.9 -52.0 63 4.1 -48.1 260 38 320.3 320.3 288.9 320.7 0.11 56 290 9544 -47.3 -55.3 39 8.0 -47.6 260 39 321.8 321.8 289.4 322.1 0.07 57 250 10510 -54.3 -58.6 59 4.3 -54.4 260 50 325.3 325.3 290.5 325.6 0.06 58 200 11910 -64.3 -68.7 55 4.4 -64.3 255 58 330.9 330.9 292.0 331.0 0.02 59 199 11941 -64.3 -68.7 55 4.4 -64.3 255 58 331.4 331.4 292.1 331.5 0.02 60 198 11971 -64.2 -69.0 52 4.8 -64.3 255 59 332.0 332.0 292.3 332.1 0.02 61 150 13690 -58.9 -83.9 3 25.0 -59.1 265 41 368.6 368.6 300.3 368.6 0.00 62 100 16230 -58.9 -85.9 2 27.0 -59.2 245 34 413.9 413.9 307.0 413.9 0.00 63 96 16486 -59.3 -86.3 2 27.0 -59.6 245 34 418.0 418.0 307.5 418.0 0.00 64 88 17033 -57.3 -86.3 1 29.0 -57.8 242 35 432.5 432.5 309.1 432.6 0.00 65 70 18470 -60.3 -87.3 2 27.0 -60.7 280 23 455.4 455.4 311.4 455.4 0.00 66 66 18835 -60.9 -87.9 2 27.0 -61.3 274 29 461.8 461.8 312.0 461.8 0.00 67 61 19324 -59.3 -87.3 1 28.0 -59.8 271 29 475.9 475.9 313.1 475.9 0.00 68 55 19970 -60.1 -88.1 1 28.0 -60.6 261 22 488.4 488.4 314.1 488.4 0.00 69 55 19970 -58.3 -87.3 1 29.0 -58.9 261 22 492.5 492.5 314.4 492.5 0.00 70 52 20323 -56.7 -86.7 1 30.0 -57.5 264 23 504.2 504.2 315.2 504.2 0.00 71 50 20570 -57.7 -86.7 1 29.0 -58.5 305 14 507.5 507.5 315.5 507.5 0.00 72 43 21519 -59.1 -88.1 1 29.0 -59.9 245 12 526.4 526.4 316.7 526.5 0.00 73 37 22470 -55.1 -86.1 1 31.0 -56.4 258 14 559.8 559.8 318.6 559.9 0.01 74 33 23197 -57.5 -86.5 1 29.0 -58.6 241 10 572.1 572.1 319.3 572.1 0.01 75 30 23800 -56.9 -86.9 1 30.0 -58.2 310 12 589.5 589.5 320.1 589.6 0.01 76 22 25777 -53.5 -85.5 1 32.0 -55.9 201 5 654.3 654.3 322.9 654.4 0.01 77 21 26076 -54.3 -85.3 1 31.0 -56.6 210 7 660.7 660.7 323.1 660.8 0.01 78 20 26390 -51.9 -84.9 1 33.0 -54.8 220 10 677.3 677.3 323.7 677.4 0.01 79 17 27449 -49.7 -83.7 1 34.0 -53.7 255 8 716.6 716.6 325.0 716.8 0.02 80 14 28725 -47.7 -82.7 1 35.0 -53.0 287 13 764.3 764.3 326.3 764.6 0.03 81 12 29741 -48.9 -82.9 1 34.0 -54.2 29 12 794.5 794.5 327.1 794.8 0.03 82 10 30950 -44.5 -81.5 1 37.0 -52.4 160 11 853.4 853.5 328.5 853.9 0.05 83 10 30950 -44.3 -81.3 1 37.0 -52.3 160 11 854.2 854.2 328.5 854.7 0.05 84 9.8 31085 -44.9 -80.9 1 36.0 -52.7 160 11 856.9 856.9 328.5 857.5 0.06 85 9.6 31223 -43.7 -80.7 1 37.0 -52.2 160 11 866.5 866.5 328.8 867.1 0.06 86 9.1 31581 -44.7 -81.7 1 37.0 -52.9 160 11 876.0 876.0 329.0 876.6 0.06 87 8.4 32120 -40.5 -79.5 1 39.0 -51.3 160 11 912.8 912.8 329.7 913.7 0.09 88 8.1 32367 -40.5 -79.5 1 39.0 -51.5 160 10 922.3 922.4 329.8 923.3 0.09 89 7.9 32537 -41.5 -79.5 1 38.0 -52.0 160 10 924.9 925.0 329.9 925.9 0.09 90 7.6 32800 -39.9 -78.9 1 39.0 -51.5 160 10 941.7 941.8 330.2 942.9 0.10 91 7.0 33360 -40.9 -79.9 1 39.0 -52.4 160 10 960.0 960.0 330.5 961.1 0.10 92 6.8 33558 -37.9 -78.9 1 41.0 -51.3 980.5 980.5 330.9 981.8 0.12 93 6.0 34426 -35.1 -77.1 1 42.0 -51.0 1028.3 1028.4 331.6 1030.5 0.18 94 5.9 34543 -35.1 -77.1 1 42.0 -51.1 1033.2 1033.4 331.7 1035.5 0.18 95 5.8 34662 -34.9 -76.9 1 42.0 -51.1 1039.2 1039.3 331.8 1041.5 0.19 TRP 199 11941 -64.3 -68.7 55 4.4 -64.3 255 58 331.4 331.4 292.1 331.5 0.02 WND 198 11971 -64.2 -69.0 52 4.8 -64.3 255 59 332.0 332.0 292.3 332.1 0.02 Sounding variables and indices 1000-500 mb thick: 5597.00 m Freezing level: 670.08 mb = 3451.56 m = 11323.89 ft Wetbulb zero: 799.33 mb = 2001.88 m = 6567.76 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 21.72 % Est. max temperature: 27.74 C = 81.93 F Sfc-Lift cond lev (LCL): 1003.94 mb = 79.47 m = 260.72 ft T: 10.80 C 700-500 lapse rate: 7.75 C/km ThetaE index: 9.96 C Layer 921.0- 912.0 mb Conv cond level (CCL): 684.31 mb = 3270.90 m = 10731.15 ft Mean mixing ratio: 6.21 g/kg Conv temperature: 34.00 C = 93.20 F Cap Strength: 9.12 C Lifted Index: 6.03 C Risk: None Lifted Index @300 mb: 8.50 C Lifted Index @700 mb: 7.88 C Showalter Index: 1.93 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 18.70 C K Index: 2.90 Risk: None Sweat Index: 57.40 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.76 J/kg Max Up Vert Vel: 11.64 m/s Conv Inhibition (B-): 79914.22 J/kg Cap Strength: 9.12 C Lift Cond Lev (LCL): 856.01 mb = 1429.23 m = 4689.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 6 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 1013 3 295 7 6.3 -3.0 | 253 2 1.6 0.5 1 1000 113 310 7 5.4 -4.5 | 330 1 0.6 -1.1 2 978 305 260 2 2.0 0.3 | 144 5 -2.8 3.8 3 943 610 265 8 8.0 0.7 | 218 5 3.2 4.1 4 925 771 325 7 4.0 -5.7 | 18 2 -0.7 -2.3 5 910 914 310 4 3.1 -2.6 | 117 2 -1.7 0.9 6 877 1219 305 2 1.6 -1.1 | 126 4 -3.1 2.3 7 850 1489 55 10 -8.2 -5.7 | 80 13 -12.9 -2.3 8 846 1524 55 10 -8.2 -5.7 | 80 13 -12.9 -2.3 9 816 1829 55 6 -4.9 -3.4 | 90 10 -9.7 -0.0 10 786 2134 325 5 2.9 -4.1 | 71 2 -1.9 -0.7 11 758 2438 10 9 -1.6 -8.9 | 49 8 -6.3 -5.4 12 730 2743 325 5 2.9 -4.1 | 71 2 -1.9 -0.7 13 700 3090 270 7 7.0 -0.0 | 213 4 2.2 3.4 14 651 3658 260 8 7.9 1.4 | 213 6 3.1 4.8 15 626 3962 270 10 10.0 -0.0 | 237 6 5.2 3.4 16 602 4267 260 8 7.9 1.4 | 213 6 3.1 4.8 17 579 4572 250 10 9.4 3.4 | 214 8 4.6 6.9 18 556 4877 240 7 6.1 3.5 | 191 7 1.3 6.9 19 515 5486 245 10 9.1 4.2 | 209 9 4.3 7.7 20 500 5710 260 15 14.8 2.6 | 239 12 10.0 6.0 21 494 5791 255 16 15.5 4.1 | 235 13 10.7 7.6 22 474 6096 265 18 17.9 1.6 | 249 14 13.2 5.0 23 418 7010 270 26 26.0 -0.0 | 261 22 21.2 3.4 24 401 7315 250 26 24.4 8.9 | 238 23 19.7 12.3 25 400 7340 255 26 25.1 6.7 | 243 23 20.4 10.2 26 384 7620 260 27 26.6 4.7 | 250 23 21.8 8.1 27 336 8534 265 30 29.9 2.6 | 256 26 25.1 6.1 28 308 9144 260 35 34.5 6.1 | 252 31 29.7 9.5 29 300 9320 260 36 35.5 6.3 | 252 32 30.7 9.7 30 250 10510 260 50 49.2 8.7 | 255 46 44.5 12.1 31 200 11910 255 58 56.0 15.0 | 250 54 51.3 18.5 32 199 11941 255 58 56.0 15.0 | 250 54 51.3 18.5 33 198 11971 255 59 57.0 15.3 | 250 55 52.2 18.7 34 191 12192 255 59 57.0 15.3 | 250 55 52.2 18.7 35 150 13690 265 41 40.8 3.6 | 259 37 36.1 7.0 36 142 14021 265 36 35.9 3.1 | 258 32 31.1 6.6 37 117 15240 255 43 41.5 11.1 | 248 40 36.8 14.6 38 106 15850 260 34 33.5 5.9 | 252 30 28.7 9.3 39 100 16230 245 34 30.8 14.4 | 236 32 26.1 17.8 40 96 16459 245 34 30.8 14.4 | 236 32 26.1 17.8 41 83 17374 240 35 30.3 17.5 | 231 33 25.6 20.9 42 79 17678 265 39 38.9 3.4 | 259 35 34.1 6.8 43 72 18288 270 30 30.0 -0.0 | 262 25 25.2 3.4 44 70 18470 280 23 22.7 -4.0 | 272 18 17.9 -0.6 45 69 18593 290 24 22.6 -8.2 | 285 18 17.8 -4.8 46 65 18898 270 30 30.0 -0.0 | 262 25 25.2 3.4 47 62 19202 265 33 32.9 2.9 | 257 29 28.1 6.3 48 59 19507 280 23 22.7 -4.0 | 272 18 17.9 -0.6 49 56 19812 260 21 20.7 3.6 | 246 17 15.9 7.1 50 51 20422 265 23 22.9 2.0 | 253 19 18.2 5.4 51 50 20570 305 14 11.5 -8.0 | 304 8 6.7 -4.6 52 49 20726 305 18 14.7 -10.3 | 305 12 10.0 -6.9 53 46 21031 300 12 10.4 -6.0 | 294 6 5.6 -2.6 54 44 21336 260 11 10.8 1.9 | 229 8 6.1 5.3 55 42 21641 235 12 9.8 6.9 | 206 12 5.1 10.3 56 38 22250 210 26 13.0 22.5 | 198 27 8.2 26.0 57 37 22555 275 10 10.0 -0.9 | 244 6 5.2 2.6 58 35 22860 240 6 5.2 3.0 | 184 6 0.4 6.4 59 33 23165 235 10 8.2 5.7 | 201 10 3.4 9.2 60 32 23470 290 12 11.3 -4.1 | 276 7 6.5 -0.7 61 30 23774 300 14 12.1 -7.0 | 296 8 7.4 -3.6 62 30 23800 310 12 9.2 -7.7 | 314 6 4.4 -4.3 63 29 24079 290 13 12.2 -4.4 | 278 8 7.5 -1.0 64 27 24384 315 7 4.9 -4.9 | 352 2 0.2 -1.5 65 25 24994 195 10 2.6 9.7 | 171 13 -2.2 13.1 66 24 25298 225 14 9.9 9.9 | 201 14 5.1 13.3 67 23 25603 195 3 0.8 2.9 | 148 7 -4.0 6.3 68 20 26390 220 10 6.4 7.7 | 189 11 1.7 11.1 69 19 26822 225 12 8.5 8.5 | 197 12 3.7 11.9 70 18 27127 270 12 12.0 -0.0 | 245 8 7.2 3.4 71 17 27432 255 8 7.7 2.1 | 208 6 3.0 5.5 72 16 27737 260 10 9.8 1.7 | 225 7 5.1 5.2 73 16 28042 240 10 8.7 5.0 | 205 9 3.9 8.4 74 15 28346 260 19 18.7 3.3 | 244 16 14.0 6.7 75 14 28651 290 12 11.3 -4.1 | 276 7 6.5 -0.7 76 14 28956 280 14 13.8 -2.4 | 264 9 9.0 1.0 77 12 29566 35 10 -5.7 -8.2 | 66 12 -10.5 -4.8 78 12 29870 25 13 -5.5 -11.8 | 51 13 -10.2 -8.3 79 10 30950 160 11 -3.8 10.3 | 148 16 -8.5 13.8 80 7 33360 160 10 -3.4 9.4 | 148 15 -8.2 12.8 Wind Parameters Mean winds (0-6000m): 275.9 at 7.8 knts Storm direction: 305.9 at 5.9 knts Shear (0-3000m) pos: 2.6 neg: 2.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): -33.7 deg Storm rel helicity (0-3000m) pos: 25.4 neg: -12.9 tot: 12.5 m^2/s^2 ave: 4.2 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 47.76 Bulk Shear: 1.42 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 ------------------------------------------------------------------------------- 500 288 5 175 2| 0.0 3.8 3.8| 4.6 -1.6 3.1 6.2 -0.04| 13.5 -0.5 1000 292 5 194 1| 2.2 1.9 4.1| 10.6 -1.6 9.0 9.0 0.42| 13.8 5.7 1500 308 5 106 1| 5.3 1.3 6.6| 18.5 -5.6 12.9 8.6 0.24| 14.4 3.4 2000 346 6 58 4| 4.0 2.2 6.1| 23.9 -11.1 12.8 6.4 0.18| 13.1 2.3 2500 349 6 56 4| 3.2 1.6 4.8| 24.5 -12.7 11.8 4.7 0.13| 12.3 1.6 3000 344 6 53 4| 2.6 2.8 5.4| 25.4 -12.9 12.5 4.2 0.16| 12.0 1.9 4000 311 7 348 1| 1.8 2.4 4.2| 28.7 -13.3 15.5 3.9 0.17| 9.7 1.7 5000 290 7 239 2| 1.4 1.9 3.3| 29.7 -22.7 7.0 1.4 0.10| 8.5 0.8 6000 276 8 229 4| 0.7 1.6 2.3| 55.4 -24.7 30.8 5.1 0.18| 8.2 1.5 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250422.12.gif