UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 30 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 1016 3 19.6 10.6 56 9.0 14.2 305 10 291.4 292.8 286.7 314.0 7.91 1 1011 46 17.8 10.8 64 7.0 13.6 313 9 290.0 291.5 286.4 312.9 8.06 2 1007 80 17.8 9.8 59 8.0 13.1 319 8 290.4 291.7 286.0 311.8 7.56 3 1000 140 18.6 9.6 56 9.0 13.3 330 7 291.8 293.1 286.5 313.2 7.52 4 983 287 17.8 7.8 52 10.0 12.1 308 9 292.4 293.6 285.9 311.8 6.76 5 965 446 20.2 1.2 28 19.0 10.3 289 7 296.4 297.1 285.0 309.2 4.32 6 962 473 20.2 1.2 28 19.0 10.3 286 6 296.6 297.4 285.1 309.5 4.33 7 952 563 19.6 7.6 46 12.0 12.6 275 5 296.9 298.1 287.8 317.0 6.89 8 944 635 19.2 7.2 46 12.0 12.3 272 5 297.2 298.4 287.8 317.0 6.76 9 939 681 19.4 2.4 32 17.0 10.3 275 7 297.9 298.7 286.1 312.2 4.84 10 925 810 18.6 0.6 30 18.0 9.3 285 12 298.3 299.1 285.8 311.2 4.32 11 916 894 18.4 -1.6 26 20.0 8.5 297 12 299.0 299.6 285.4 310.1 3.71 12 911 940 18.2 -1.8 26 20.0 8.3 300 12 299.2 299.9 285.4 310.3 3.67 13 850 1528 13.4 -2.6 33 16.0 5.6 310 12 300.2 300.9 285.8 311.4 3.71 14 820 1829 11.2 -2.8 37 14.0 4.5 305 11 301.0 301.7 286.2 312.5 3.79 15 803 2003 10.0 -6.0 32 16.0 2.8 322 12 301.5 302.0 285.6 310.8 3.04 16 776 2286 7.4 -5.6 39 13.0 1.6 337 12 301.7 302.3 285.9 311.6 3.24 17 763 2425 6.2 -2.8 52 9.0 2.0 340 13 301.8 302.6 286.8 314.2 4.08 18 743 2642 4.6 -7.4 41 12.0 -0.5 340 14 302.4 302.9 285.8 311.5 2.95 19 740 2675 4.4 -9.6 35 14.0 -1.3 340 14 302.5 303.0 285.4 310.3 2.49 20 731 2775 4.8 -17.2 19 22.0 -2.8 342 14 304.0 304.3 284.7 308.4 1.36 21 727 2819 4.8 -17.2 19 22.0 -2.8 346 13 304.5 304.7 284.9 308.9 1.36 22 726 2831 5.0 -17.0 19 22.0 -2.7 347 13 304.8 305.1 285.1 309.3 1.39 23 710 3012 5.0 -9.0 36 14.0 -0.9 1 11 306.8 307.3 287.2 315.4 2.72 24 700 3128 4.0 -10.0 35 14.0 -1.7 10 10 306.9 307.4 287.1 315.0 2.55 25 650 3724 -0.9 -10.9 47 10.0 -4.8 343 12 307.9 308.4 287.5 316.1 2.56 26 646 3773 -1.1 -13.1 40 12.0 -5.5 340 12 308.3 308.7 287.1 315.2 2.16 27 620 4099 -3.5 -12.5 50 9.0 -6.9 334 13 309.2 309.6 287.6 316.7 2.36 28 615 4162 -4.1 -9.0 69 4.9 -6.1 336 13 309.2 309.8 288.5 319.1 3.15 29 606 4278 -4.9 -9.3 71 4.4 -6.7 340 14 309.6 310.2 288.6 319.4 3.12 30 587 4528 -6.3 -12.3 62 6.0 -8.5 317 15 310.8 311.2 288.4 318.9 2.53 31 575 4689 -7.5 -12.3 68 4.8 -9.3 312 15 311.2 311.7 288.6 319.5 2.59 32 553 4991 -9.3 -16.3 57 7.0 -11.6 309 16 312.6 312.9 288.4 318.9 1.93 33 552 5005 -9.5 -16.5 57 7.0 -11.8 308 16 312.5 312.9 288.3 318.7 1.91 34 534 5260 -11.7 -16.5 68 4.8 -13.2 298 16 312.8 313.2 288.5 319.3 1.97 35 527 5361 -12.1 -19.1 56 7.0 -14.2 303 15 313.5 313.8 288.3 318.8 1.60 36 513 5566 -13.7 -18.5 67 4.8 -15.2 307 15 314.0 314.4 288.6 319.8 1.73 37 500 5760 -15.1 -19.9 67 4.8 -16.4 300 16 314.6 314.9 288.7 319.9 1.58 38 492 5882 -15.9 -20.4 68 4.5 -17.1 302 16 315.1 315.4 288.8 320.2 1.53 39 465 6305 -19.7 -22.5 78 2.8 -20.4 303 19 315.5 315.8 288.8 320.1 1.35 40 462 6353 -20.1 -23.3 76 3.2 -20.8 303 19 315.6 315.8 288.7 319.9 1.27 41 459 6402 -20.3 -26.3 59 6.0 -21.6 303 19 315.9 316.1 288.5 319.3 0.97 42 454 6483 -20.9 -25.7 65 4.8 -22.0 302 20 316.2 316.4 288.6 319.7 1.04 43 448 6581 -21.3 -27.3 58 6.0 -22.5 301 21 316.9 317.0 288.8 320.0 0.91 44 439 6731 -22.5 -26.0 73 3.5 -23.2 300 22 317.2 317.4 289.0 320.8 1.05 45 437 6765 -22.7 -27.5 65 4.8 -23.7 301 22 317.4 317.5 288.9 320.5 0.91 46 432 6849 -22.9 -27.9 64 5.0 -23.9 303 22 318.1 318.3 289.1 321.2 0.89 47 430 6883 -23.1 -28.1 64 5.0 -24.1 304 22 318.3 318.5 289.2 321.4 0.88 48 421 7038 -24.1 -30.1 58 6.0 -25.2 308 22 319.0 319.1 289.2 321.6 0.74 49 403 7356 -26.7 -29.7 76 3.0 -27.2 311 25 319.6 319.8 289.5 322.4 0.81 50 400 7410 -27.1 -30.6 72 3.5 -27.7 305 28 319.8 319.9 289.5 322.4 0.75 51 391 7574 -28.3 -32.2 69 3.9 -28.9 305 29 320.3 320.4 289.6 322.6 0.66 52 376 7854 -30.5 -33.1 78 2.6 -30.9 305 29 321.0 321.1 289.8 323.2 0.63 53 370 7968 -31.3 -34.5 73 3.2 -31.7 305 29 321.4 321.5 289.8 323.4 0.55 54 359 8181 -32.9 -35.3 79 2.4 -33.2 305 29 322.0 322.1 289.9 323.9 0.53 55 300 9420 -42.9 -47.8 59 4.9 -43.2 310 30 324.9 324.9 290.5 325.5 0.17 56 250 10620 -53.3 -59.3 48 6.0 -53.4 300 33 326.8 326.8 290.9 327.0 0.05 57 204 11898 -63.1 -66.0 68 2.9 -63.1 295 41 331.0 331.0 292.0 331.1 0.03 58 200 12020 -63.1 -67.3 57 4.2 -63.1 300 37 332.8 332.8 292.5 332.9 0.02 59 150 13810 -58.5 -84.5 2 26.0 -58.7 330 26 369.3 369.3 300.4 369.3 0.00 60 100 16330 -62.3 -87.3 2 25.0 -62.5 320 13 407.4 407.4 306.2 407.4 0.00 61 91 16914 -62.9 -86.9 3 24.0 -63.1 310 15 417.3 417.3 307.4 417.3 0.00 62 70 18550 -58.7 -86.7 2 28.0 -59.2 345 2 458.8 458.8 311.7 458.8 0.00 63 66 18919 -59.9 -86.9 2 27.0 -60.3 341 5 464.0 464.0 312.1 464.0 0.00 64 61 19414 -56.7 -85.7 1 29.0 -57.4 336 10 481.7 481.7 313.6 481.7 0.00 65 53 20297 -61.1 -88.1 2 27.0 -61.6 266 10 491.2 491.2 314.3 491.3 0.00 66 50 20660 -59.7 -87.7 1 28.0 -60.3 340 14 502.8 502.8 315.1 502.8 0.00 67 30 23880 -55.1 -85.1 1 30.0 -56.6 170 12 594.4 594.4 320.3 594.5 0.01 68 25 25041 -55.9 -85.9 1 30.0 -57.6 135 9 623.9 624.0 321.6 624.0 0.01 69 20 26470 -52.7 -84.7 1 32.0 -55.5 15 6 674.9 674.9 323.6 675.0 0.02 70 16 27927 -49.3 -82.3 1 33.0 -53.6 340 2 730.4 730.4 325.4 730.7 0.03 71 15 28352 -49.5 -82.5 1 33.0 -53.9 345 1 743.4 743.4 325.7 743.6 0.03 72 13 29301 -45.3 -81.3 1 36.0 -51.8 245 17 789.0 789.0 327.0 789.3 0.04 73 13 29301 -44.7 -80.7 1 36.0 -51.5 245 17 791.0 791.1 327.0 791.5 0.05 74 12 29836 -46.3 -81.3 1 35.0 -52.7 260 23 803.7 803.7 327.3 804.1 0.04 75 10 31060 -42.5 -79.5 1 37.0 -51.4 290 17 860.9 860.9 328.7 861.6 0.07 76 9.4 31479 -40.5 -78.5 1 38.0 -50.8 310 14 883.9 883.9 329.1 884.8 0.09 77 8.9 31850 -42.1 -79.1 1 37.0 -51.7 328 12 891.6 891.7 329.2 892.5 0.09 78 7.8 32752 -36.7 -77.7 1 41.0 -50.1 10 6 947.5 947.6 330.3 948.9 0.12 79 7.5 33023 -37.1 -77.1 1 40.0 -50.5 23 4 956.6 956.7 330.5 958.2 0.14 80 7.2 33305 -37.1 -78.1 1 41.0 -50.7 36 2 967.8 967.9 330.7 969.3 0.13 81 7.0 33500 -35.1 -77.1 1 42.0 -50.1 45 1 983.9 984.0 330.9 985.7 0.15 82 6.6 33913 -31.5 -75.5 0 44.0 -49.2 1015.8 1015.9 331.5 1018.3 0.21 83 6.3 34242 -32.5 -75.5 1 43.0 -49.8 1025.1 1025.3 331.6 1027.8 0.21 TRP 204 11898 -63.1 -66.0 68 2.9 -63.1 295 41 331.0 331.0 292.0 331.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5620.00 m Freezing level: 659.18 mb = 3614.31 m = 11857.83 ft Wetbulb zero: 747.13 mb = 2596.76 m = 8519.44 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 45.73 % Est. max temperature: 28.15 C = 82.66 F Sfc-Lift cond lev (LCL): 888.81 mb = 1149.47 m = 3771.19 ft T: 16.49 C 700-500 lapse rate: 7.26 C/km ThetaE index: 6.91 C Layer 944.0- 911.0 mb Conv cond level (CCL): 662.60 mb = 3569.42 m = 11710.56 ft Mean mixing ratio: 5.95 g/kg Conv temperature: 35.94 C = 96.69 F Cap Strength: 7.27 C Lifted Index: 5.74 C Risk: None Lifted Index @300 mb: 9.11 C Lifted Index @700 mb: 6.97 C Showalter Index: 6.33 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 28.50 C Cross Totals Index: 12.50 C K Index: 11.90 Risk: None Sweat Index: 40.00 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.41 J/kg Max Up Vert Vel: 8.77 m/s Conv Inhibition (B-): 58971.49 J/kg Cap Strength: 7.15 C Lift Cond Lev (LCL): 791.80 mb = 2119.50 m = 6953.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 9 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 3 305 10 8.2 -5.7 | 242 7 6.6 3.5 1 1000 140 330 7 3.5 -6.1 | 211 4 1.9 3.1 2 981 305 305 9 7.4 -5.2 | 235 7 5.7 4.0 3 947 610 270 4 4.0 -0.0 | 194 10 2.4 9.2 4 925 810 285 12 11.6 -3.1 | 239 12 10.0 6.1 5 914 914 300 12 10.4 -6.0 | 250 9 8.8 3.2 6 881 1219 305 9 7.4 -5.2 | 235 7 5.7 4.0 7 850 1524 300 12 10.4 -6.0 | 250 9 8.8 3.2 8 850 1528 310 12 9.2 -7.7 | 259 8 7.6 1.5 9 820 1829 305 11 9.0 -6.3 | 249 8 7.4 2.9 10 790 2134 335 12 5.1 -10.9 | 296 4 3.4 -1.7 11 761 2438 340 13 4.4 -12.2 | 317 4 2.8 -3.0 12 733 2743 340 14 4.8 -13.2 | 321 5 3.2 -3.9 13 700 3128 10 10 -1.7 -9.8 | 79 3 -3.4 -0.6 14 680 3353 350 13 2.3 -12.8 | 350 4 0.6 -3.6 15 654 3658 345 12 3.1 -11.6 | 328 3 1.5 -2.4 16 629 3962 330 12 6.0 -10.4 | 285 5 4.4 -1.2 17 605 4267 340 14 4.8 -13.2 | 321 5 3.2 -3.9 18 582 4572 310 15 11.5 -9.6 | 273 10 9.9 -0.4 19 560 4877 315 16 11.3 -11.3 | 282 10 9.7 -2.1 20 538 5182 295 16 14.5 -6.8 | 259 13 12.9 2.4 21 518 5486 310 15 11.5 -9.6 | 273 10 9.9 -0.4 22 500 5760 300 16 13.9 -8.0 | 264 12 12.2 1.2 23 478 6096 305 17 13.9 -9.8 | 273 12 12.3 -0.5 24 440 6706 300 22 19.1 -11.0 | 276 18 17.4 -1.8 25 405 7315 315 22 15.6 -15.6 | 295 15 13.9 -6.4 26 400 7410 305 28 22.9 -16.1 | 288 22 21.3 -6.9 27 388 7620 305 29 23.8 -16.6 | 289 23 22.1 -7.4 28 312 9144 305 29 23.8 -16.6 | 289 23 22.1 -7.4 29 300 9420 310 30 23.0 -19.3 | 295 24 21.4 -10.1 30 272 10058 310 30 23.0 -19.3 | 295 24 21.4 -10.1 31 250 10620 300 33 28.6 -16.5 | 285 28 27.0 -7.3 32 204 11898 295 41 37.2 -17.3 | 283 36 35.5 -8.1 33 200 12020 300 37 32.0 -18.5 | 287 32 30.4 -9.3 34 195 12192 295 41 37.2 -17.3 | 283 36 35.5 -8.1 35 176 12802 290 26 24.4 -8.9 | 269 23 22.8 0.3 36 168 13106 310 21 16.1 -13.5 | 287 15 14.5 -4.3 37 150 13810 330 26 13.0 -22.5 | 319 18 11.4 -13.3 38 145 14021 330 27 13.5 -23.4 | 320 18 11.9 -14.2 39 138 14326 315 19 13.4 -13.4 | 290 13 11.8 -4.2 40 125 14935 330 21 10.5 -18.2 | 315 13 8.9 -9.0 41 119 15240 315 16 11.3 -11.3 | 282 10 9.7 -2.1 42 103 16154 340 21 7.2 -19.7 | 332 12 5.6 -10.5 43 100 16330 320 13 8.4 -10.0 | 276 7 6.7 -0.8 44 98 16459 315 16 11.3 -11.3 | 282 10 9.7 -2.1 45 93 16764 320 17 10.9 -13.0 | 292 10 9.3 -3.8 46 89 17069 300 14 12.1 -7.0 | 258 11 10.5 2.2 47 81 17678 315 14 9.9 -9.9 | 275 8 8.3 -0.7 48 77 17983 315 10 7.1 -7.1 | 249 6 5.4 2.1 49 73 18288 310 9 6.9 -5.8 | 237 6 5.3 3.4 50 70 18550 345 2 0.5 -1.9 | 171 7 -1.1 7.3 51 60 19507 335 11 4.6 -10.0 | 284 3 3.0 -0.8 52 52 20422 255 10 9.7 2.6 | 214 14 8.0 11.8 53 50 20660 340 14 4.8 -13.2 | 321 5 3.2 -3.9 54 47 21031 360 12 -0.0 -12.0 | 30 3 -1.6 -2.8 55 45 21336 20 11 -3.8 -10.3 | 78 6 -5.4 -1.1 56 43 21641 80 10 -9.8 -1.7 | 123 14 -11.5 7.5 57 39 22250 5 10 -0.9 -10.0 | 73 3 -2.5 -0.8 58 35 22860 40 11 -7.1 -8.4 | 95 9 -8.7 0.8 59 32 23470 340 10 3.4 -9.4 | 276 2 1.8 -0.2 60 31 23774 20 13 -4.4 -12.2 | 64 7 -6.1 -3.0 61 30 23880 170 12 -2.1 11.8 | 170 21 -3.7 21.0 62 29 24079 150 10 -5.0 8.7 | 160 19 -6.6 17.9 63 28 24384 190 10 1.7 9.8 | 180 19 0.1 19.1 64 20 26470 15 6 -1.6 -5.8 | 137 5 -3.2 3.4 65 17 27432 315 4 2.8 -2.8 | 191 6 1.2 6.4 66 15 28346 0 0 -0.0 -0.0 | 170 9 -1.6 9.2 67 14 28651 205 10 4.2 9.1 | 188 18 2.6 18.3 68 14 28956 230 18 13.8 11.6 | 210 24 12.2 20.8 69 13 29566 255 16 15.5 4.1 | 226 19 13.8 13.3 70 12 29870 260 23 22.7 4.0 | 238 25 21.0 13.2 71 11 30175 285 13 12.6 -3.4 | 242 12 10.9 5.8 72 10 31060 290 17 16.0 -5.8 | 257 15 14.4 3.4 73 7 33500 45 1 -0.7 -0.7 | 165 9 -2.3 8.5 Wind Parameters Mean winds (0-6000m): 320.0 at 12.5 knts Storm direction: 350.0 at 9.3 knts Shear (0-3000m) pos: 2.0 neg: 0.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 156.5 deg Storm rel helicity (0-3000m) pos: 46.2 neg: -20.6 tot: 25.6 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 11.65 Bulk Shear: 3.30 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 ------------------------------------------------------------------------------- 500 308 8 227 6| 0.0 5.3 5.3| 1.3 -10.5 -9.2 -18.4 -0.43| 11.2 -4.8 1000 299 8 228 8| 3.1 2.7 5.8| 27.6 -15.7 11.9 11.9 0.12| 12.7 1.5 1500 300 9 233 8| 2.1 1.6 3.7| 31.5 -18.7 12.8 8.5 0.11| 10.1 1.1 2000 303 10 238 8| 2.0 1.2 3.2| 37.7 -20.6 17.1 8.6 0.16| 9.1 1.5 2500 311 10 247 7| 2.3 1.0 3.3| 41.9 -20.6 21.3 8.5 0.24| 8.2 1.9 3000 318 11 257 6| 2.0 0.8 2.8| 46.2 -20.6 25.6 8.5 0.31| 7.8 2.4 4000 327 11 270 4| 1.5 0.8 2.3| 47.5 -27.0 20.5 5.1 0.14| 7.3 1.0 5000 325 12 275 5| 1.2 1.3 2.5| 52.8 -41.1 11.6 2.3 0.06| 7.1 0.5 6000 320 12 273 6| 1.1 1.3 2.3| 63.3 -52.7 10.6 1.8 0.05| 6.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250430.00.gif