UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 28 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 1021 3 10.2 8.6 90 1.6 9.3 110 4 281.7 282.8 281.5 300.5 6.87 1 1000 176 9.2 8.3 94 0.9 8.7 125 2 282.4 283.5 281.8 301.3 6.88 2 978 360 7.6 7.5 99 0.1 7.5 208 2 282.5 283.7 281.7 300.9 6.66 3 970 428 8.0 5.8 86 2.2 6.9 243 4 283.6 284.6 281.4 300.2 5.96 4 968 445 9.0 5.7 80 3.3 7.3 252 5 284.8 285.8 281.9 301.4 5.93 5 963 488 9.6 6.6 82 3.0 8.0 273 6 285.8 286.9 282.8 303.6 6.35 6 961 505 9.6 6.4 80 3.2 7.9 282 6 286.0 287.1 282.8 303.6 6.28 7 951 592 9.4 6.7 83 2.7 7.9 326 9 286.6 287.8 283.3 304.8 6.48 8 947 627 9.6 6.4 80 3.2 7.9 337 9 287.2 288.3 283.4 305.1 6.37 9 930 777 8.8 6.1 83 2.7 7.3 351 11 287.9 289.0 283.7 305.8 6.35 10 926 813 8.6 4.8 77 3.8 6.6 354 11 288.0 289.0 283.2 304.5 5.83 11 925 822 8.6 4.9 78 3.7 6.7 355 11 288.1 289.1 283.3 304.7 5.87 12 853 1488 4.2 3.1 93 1.1 3.7 9 13 290.3 291.2 283.9 306.3 5.61 13 850 1517 4.2 3.1 93 1.1 3.7 10 13 290.5 291.5 284.1 306.7 5.63 14 825 1759 3.2 1.2 87 2.0 2.2 18 17 292.0 292.9 284.0 306.6 5.06 15 822 1789 3.4 0.4 81 3.0 2.0 19 17 292.5 293.3 284.0 306.4 4.79 16 818 1829 5.8 -8.2 36 14.0 0.1 20 18 295.4 295.9 282.6 303.1 2.51 17 814 1869 6.2 -4.8 45 11.0 1.4 19 17 296.3 296.9 283.8 306.1 3.28 18 806 1950 5.8 -4.2 49 10.0 1.4 18 14 296.7 297.3 284.2 307.1 3.47 19 800 2011 5.8 -6.2 42 12.0 0.7 17 12 297.3 297.9 284.0 306.4 3.00 20 780 2217 4.2 -7.8 41 12.0 -0.7 7 10 297.8 298.3 283.8 306.1 2.72 21 738 2665 0.6 -10.4 43 11.0 -3.6 345 13 298.6 299.0 283.7 305.8 2.34 22 720 2862 -0.5 -13.5 37 13.0 -5.0 347 12 299.5 299.8 283.5 305.3 1.87 23 712 2952 -1.1 -12.1 43 11.0 -5.1 348 11 299.8 300.2 284.0 306.4 2.12 24 700 3087 -2.1 -14.1 39 12.0 -6.2 360 14 300.2 300.5 283.7 305.9 1.83 25 697 3121 -2.3 -13.3 43 11.0 -6.1 0 15 300.3 300.7 284.0 306.4 1.97 26 683 3282 -2.5 -21.5 22 19.0 -7.9 2 17 301.8 302.0 283.4 305.1 1.00 27 682 3294 -2.5 -23.5 18 21.0 -8.2 2 18 302.0 302.1 283.3 304.7 0.84 28 658 3577 -3.9 -31.9 9 28.0 -10.0 4 22 303.5 303.6 283.4 304.9 0.40 29 652 3649 -3.7 -33.7 8 30.0 -10.0 5 24 304.5 304.6 283.7 305.7 0.34 30 624 3994 -6.5 -27.5 17 21.0 -11.5 341 26 305.2 305.3 284.3 307.3 0.64 31 607 4209 -7.5 -34.5 9 27.0 -12.8 355 29 306.4 306.5 284.4 307.6 0.34 32 585 4496 -8.7 -29.7 17 21.0 -13.3 353 35 308.3 308.4 285.4 310.2 0.56 33 536 5166 -14.1 -26.1 35 12.0 -16.8 355 31 309.6 309.8 286.2 312.5 0.85 34 529 5266 -14.9 -27.9 32 13.0 -17.7 359 32 309.8 310.0 286.1 312.3 0.73 35 500 5690 -17.7 -34.7 21 17.0 -20.5 5 32 311.5 311.5 286.4 312.9 0.40 36 486 5902 -18.9 -40.9 12 22.0 -21.9 7 35 312.5 312.6 286.5 313.3 0.22 37 469 6166 -21.3 -36.3 25 15.0 -23.5 10 41 312.7 312.8 286.8 314.0 0.37 38 433 6750 -25.3 -53.3 6 28.0 -27.6 6 51 314.9 314.9 287.1 315.1 0.06 39 400 7320 -30.3 -54.3 8 24.0 -31.9 5 58 315.6 315.6 287.3 315.8 0.06 40 364 7983 -36.1 -56.1 11 20.0 -37.1 5 59 316.5 316.5 287.6 316.7 0.05 41 355 8157 -36.7 -59.7 7 23.0 -37.7 5 62 318.0 318.0 288.1 318.1 0.03 42 346 8334 -38.3 -61.3 7 23.0 -39.2 5 65 318.1 318.1 288.2 318.3 0.03 43 328 8700 -41.1 -62.1 9 21.0 -41.8 5 70 319.2 319.2 288.5 319.3 0.03 44 305 9190 -45.1 -58.1 22 13.0 -45.5 6 78 320.3 320.3 288.9 320.5 0.05 45 300 9300 -45.9 -59.9 19 14.0 -46.3 10 79 320.7 320.7 289.0 320.8 0.04 46 298 9344 -46.5 -59.5 21 13.0 -46.9 10 79 320.4 320.4 288.9 320.6 0.04 47 273 9920 -50.1 -64.1 18 14.0 -50.4 7 85 323.3 323.3 289.8 323.4 0.03 48 271 9967 -49.9 -64.9 16 15.0 -50.2 7 85 324.3 324.3 290.1 324.4 0.02 49 268 10040 -50.1 -68.1 10 18.0 -50.4 6 86 325.1 325.1 290.3 325.1 0.01 50 262 10187 -50.9 -63.9 20 13.0 -51.2 5 88 326.0 326.0 290.6 326.1 0.03 51 261 10212 -51.1 -64.0 20 12.9 -51.4 5 88 326.1 326.1 290.6 326.2 0.03 52 252 10439 -52.7 -64.7 22 12.0 -52.9 2 86 327.0 327.0 290.9 327.1 0.03 53 250 10490 -53.1 -65.1 22 12.0 -53.3 360 84 327.1 327.1 290.9 327.2 0.02 54 245 10619 -54.1 -65.1 25 11.0 -54.3 360 83 327.5 327.5 291.0 327.6 0.02 55 235 10885 -55.5 -67.5 21 12.0 -55.7 360 80 329.3 329.3 291.5 329.4 0.02 56 230 11022 -54.9 -74.9 7 20.0 -55.1 360 77 332.3 332.3 292.3 332.3 0.01 57 221 11276 -56.1 -74.1 9 18.0 -56.3 360 71 334.2 334.2 292.9 334.3 0.01 58 210 11600 -54.7 -77.7 4 23.0 -54.9 360 64 341.3 341.3 294.7 341.4 0.00 59 200 11910 -56.9 -78.9 5 22.0 -57.1 345 57 342.7 342.7 295.0 342.7 0.00 60 150 13740 -57.1 -84.1 2 27.0 -57.4 335 36 371.7 371.7 300.9 371.7 0.00 61 100 16290 -59.7 -85.7 2 26.0 -60.0 290 22 412.4 412.4 306.8 412.4 0.00 62 89 17020 -57.7 -85.7 2 28.0 -58.2 312 11 430.3 430.3 308.9 430.4 0.00 63 80 17690 -58.5 -85.5 2 27.0 -58.9 278 11 442.0 442.0 310.1 442.0 0.00 64 75 18095 -58.5 -86.5 2 28.0 -59.0 276 12 450.3 450.3 310.9 450.3 0.00 65 71 18440 -56.3 -85.3 1 29.0 -56.9 223 7 462.1 462.1 312.0 462.1 0.00 66 70 18530 -56.7 -85.7 1 29.0 -57.3 210 4 463.1 463.1 312.0 463.1 0.00 67 58 19719 -58.1 -86.1 2 28.0 -58.7 302 3 485.5 485.5 313.9 485.5 0.00 68 54 20167 -60.3 -87.3 2 27.0 -60.8 194 11 490.5 490.5 314.2 490.5 0.00 69 52 20404 -58.3 -87.3 1 29.0 -59.0 213 15 500.4 500.4 315.0 500.5 0.00 70 50 20650 -59.1 -87.1 1 28.0 -59.7 20 7 504.2 504.2 315.2 504.2 0.00 71 48 20905 -59.3 -87.3 1 28.0 -59.9 343 8 509.7 509.7 315.6 509.7 0.00 72 47 21038 -57.3 -86.3 1 29.0 -58.1 334 6 517.5 517.5 316.1 517.6 0.00 73 42 21746 -58.5 -86.5 2 28.0 -59.3 80 12 531.5 531.5 317.0 531.5 0.01 74 41 21898 -56.7 -86.7 1 30.0 -57.7 88 10 539.6 539.6 317.5 539.7 0.01 75 37 22545 -58.5 -86.5 2 28.0 -59.4 37 11 551.1 551.1 318.2 551.1 0.01 76 34 23079 -56.1 -86.1 1 30.0 -57.3 19 12 570.9 570.9 319.2 570.9 0.01 77 30 23870 -58.5 -86.5 2 28.0 -59.6 80 8 585.2 585.2 319.9 585.2 0.01 78 25 25023 -56.3 -86.3 1 30.0 -57.9 55 6 622.8 622.8 321.6 622.9 0.01 79 24 25284 -54.1 -85.1 1 31.0 -56.2 347 10 636.5 636.5 322.2 636.6 0.01 80 22 25841 -56.1 -86.1 1 30.0 -57.9 44 12 646.6 646.6 322.6 646.7 0.01 81 21 26137 -55.1 -86.1 1 31.0 -57.2 12 10 658.3 658.3 323.0 658.3 0.01 82 20 26450 -53.9 -84.9 1 31.0 -56.3 75 10 671.2 671.2 323.4 671.3 0.01 83 19 26780 -54.5 -84.5 1 30.0 -56.9 65 11 679.2 679.3 323.7 679.4 0.02 84 17 27498 -52.1 -84.1 1 32.0 -55.4 59 10 708.9 708.9 324.7 709.1 0.02 85 14 28772 -47.3 -81.3 1 34.0 -52.7 24 6 765.6 765.7 326.4 766.0 0.04 86 13 29261 -49.3 -82.3 1 33.0 -54.2 53 13 775.1 775.1 326.6 775.4 0.04 87 10 31000 -45.1 -81.1 1 36.0 -52.7 25 11 851.2 851.2 328.4 851.7 0.06 88 9.5 31342 -45.3 -81.3 1 36.0 -53.1 863.0 863.0 328.7 863.6 0.06 89 8.4 32175 -39.3 -78.3 1 39.0 -50.8 917.5 917.5 329.8 918.6 0.10 90 8.1 32423 -39.9 -78.9 1 39.0 -51.2 924.7 924.7 329.9 925.8 0.10 TRP 235 10885 -55.5 -67.5 21 12.0 -55.7 360 80 329.3 329.3 291.5 329.4 0.02 WND 261 10212 -51.1 -64.0 20 12.9 -51.4 5 88 326.1 326.1 290.6 326.2 0.03 Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: 728.18 mb = 2772.49 m = 9096.00 ft Wetbulb zero: 790.55 mb = 2107.70 m = 6914.95 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 45.85 % Est. max temperature: 18.28 C = 64.91 F Sfc-Lift cond lev (LCL): 996.54 mb = 204.65 m = 671.42 ft T: 8.95 C 700-500 lapse rate: 5.99 C/km ThetaE index: 3.63 C Layer 825.0- 814.0 mb Conv cond level (CCL): 873.81 mb = 1290.06 m = 4232.44 ft Mean mixing ratio: 6.49 g/kg Conv temperature: 18.19 C = 64.75 F Cap Strength: 9.09 C Lifted Index: 9.35 C Risk: None Lifted Index @300 mb: 12.85 C Lifted Index @700 mb: 5.79 C Showalter Index: 6.71 C Risk: None Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.80 C K Index: 13.00 Risk: None Sweat Index: 95.20 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.97 J/kg Max Up Vert Vel: 8.24 m/s Conv Inhibition (B-): 65406.73 J/kg Cap Strength: 9.37 C Lift Cond Lev (LCL): 940.80 mb = 681.61 m = 2236.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 29 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 1021 3 110 4 -3.8 1.4 | 194 15 3.6 14.3 1 1000 176 125 2 -1.6 1.1 | 202 15 5.7 14.1 2 985 305 180 1 0.0 1.0 | 208 16 7.3 14.0 3 949 610 335 9 3.8 -8.2 | 247 12 11.1 4.8 4 925 822 355 11 1.0 -11.0 | 256 9 8.3 2.0 5 915 914 5 12 -1.0 -12.0 | 261 6 6.3 1.0 6 881 1219 360 14 -0.0 -14.0 | 278 7 7.3 -1.0 7 850 1517 10 13 -2.3 -12.8 | 268 5 5.1 0.2 8 818 1829 20 18 -6.2 -16.9 | 343 4 1.2 -4.0 9 788 2134 15 8 -2.1 -7.7 | 225 7 5.3 5.2 10 758 2438 345 14 3.6 -13.5 | 273 11 11.0 -0.6 11 730 2743 345 12 3.1 -11.6 | 263 11 10.4 1.4 12 703 3048 350 11 1.9 -10.8 | 257 9 9.2 2.1 13 700 3087 360 14 -0.0 -14.0 | 278 7 7.3 -1.0 14 650 3658 5 24 -2.1 -23.9 | 334 12 5.2 -10.9 15 625 3962 340 26 8.9 -24.4 | 305 20 16.2 -11.5 16 601 4267 360 30 -0.0 -30.0 | 337 19 7.3 -17.0 17 578 4572 350 37 6.4 -36.4 | 330 27 13.8 -23.5 18 555 4877 360 28 -0.0 -28.0 | 334 17 7.3 -15.0 19 534 5182 355 31 2.7 -30.9 | 331 21 10.0 -17.9 20 513 5486 10 36 -6.3 -35.5 | 357 23 1.1 -22.5 21 500 5690 5 32 -2.8 -31.9 | 346 19 4.5 -18.9 22 493 5791 5 32 -2.8 -31.9 | 346 19 4.5 -18.9 23 473 6096 10 40 -6.9 -39.4 | 359 26 0.4 -26.4 24 417 7010 5 56 -4.9 -55.8 | 357 43 2.5 -42.8 25 400 7320 5 58 -5.1 -57.8 | 357 45 2.3 -44.8 26 383 7620 5 54 -4.7 -53.8 | 356 41 2.6 -40.8 27 307 9144 5 77 -6.7 -76.7 | 359 64 0.6 -63.7 28 300 9300 10 79 -13.7 -77.8 | 6 65 -6.4 -64.8 29 293 9449 10 80 -13.9 -78.8 | 6 66 -6.6 -65.8 30 261 10212 5 88 -7.7 -87.7 | 0 75 -0.3 -74.7 31 255 10363 5 88 -7.7 -87.7 | 0 75 -0.3 -74.7 32 250 10490 360 84 -0.0 -84.0 | 354 71 7.3 -71.0 33 235 10885 360 80 -0.0 -80.0 | 354 67 7.3 -67.0 34 201 11887 360 57 -0.0 -57.0 | 351 45 7.3 -44.0 35 200 11910 345 57 14.8 -55.1 | 332 48 22.1 -42.1 36 191 12192 345 57 14.8 -55.1 | 332 48 22.1 -42.1 37 174 12802 355 36 3.1 -35.9 | 335 25 10.5 -22.9 38 158 13411 330 37 18.5 -32.0 | 306 32 25.8 -19.1 39 151 13716 330 39 19.5 -33.8 | 308 34 26.8 -20.8 40 150 13740 335 36 15.2 -32.6 | 311 30 22.5 -19.7 41 130 14630 325 30 17.2 -24.6 | 295 27 24.5 -11.6 42 124 14935 340 26 8.9 -24.4 | 305 20 16.2 -11.5 43 118 15240 320 18 11.6 -13.8 | 272 19 18.9 -0.8 44 113 15545 325 14 8.0 -11.5 | 264 15 15.4 1.5 45 102 16154 320 18 11.6 -13.8 | 272 19 18.9 -0.8 46 100 16290 290 22 20.7 -7.5 | 259 29 28.0 5.4 47 97 16459 290 22 20.7 -7.5 | 259 29 28.0 5.4 48 93 16764 295 15 13.6 -6.3 | 252 22 20.9 6.6 49 88 17069 315 10 7.1 -7.1 | 248 16 14.4 5.9 50 84 17374 260 10 9.8 1.7 | 229 23 17.2 14.7 51 76 17983 295 11 10.0 -4.6 | 244 19 17.3 8.3 52 73 18288 245 13 11.8 5.5 | 226 27 19.1 18.5 53 70 18530 210 4 2.0 3.5 | 210 19 9.3 16.4 54 69 18593 275 10 10.0 -0.9 | 235 21 17.3 12.1 55 60 19507 0 0 -0.0 -0.0 | 209 15 7.3 13.0 56 54 20117 190 10 1.7 9.8 | 202 25 9.1 22.8 57 52 20422 215 15 8.6 12.3 | 212 30 15.9 25.3 58 50 20650 20 7 -2.4 -6.6 | 218 8 4.9 6.4 59 49 20726 355 10 0.9 -10.0 | 250 9 8.2 3.0 60 45 21336 315 2 1.4 -1.4 | 217 14 8.7 11.6 61 43 21641 75 13 -12.6 -3.4 | 151 11 -5.2 9.6 62 41 21946 90 10 -10.0 0.0 | 168 13 -2.7 13.0 63 35 22860 10 12 -2.1 -11.8 | 258 5 5.2 1.1 64 32 23470 35 11 -6.3 -9.0 | 194 4 1.0 4.0 65 30 23774 70 10 -9.4 -3.4 | 168 10 -2.1 9.5 66 30 23870 80 8 -7.9 -1.4 | 177 12 -0.5 11.6 67 28 24384 50 5 -3.8 -3.2 | 200 10 3.5 9.8 68 26 24689 145 1 -0.6 0.8 | 206 15 6.8 13.8 69 24 25298 345 10 2.6 -9.7 | 252 10 9.9 3.3 70 23 25603 20 14 -4.8 -13.2 | 274 3 2.5 -0.2 71 22 25908 50 11 -8.4 -7.1 | 169 6 -1.1 5.9 72 21 26213 360 10 -0.0 -10.0 | 248 8 7.3 3.0 73 20 26450 75 10 -9.7 -2.6 | 167 11 -2.3 10.4 74 20 26518 25 12 -5.1 -10.9 | 227 3 2.3 2.1 75 19 26822 70 11 -10.3 -3.8 | 162 10 -3.0 9.2 76 18 27127 90 10 -10.0 0.0 | 168 13 -2.7 13.0 77 17 27432 65 10 -9.1 -4.2 | 169 9 -1.7 8.7 78 16 28042 20 11 -3.8 -10.3 | 234 4 3.6 2.6 79 15 28346 0 0 -0.0 -0.0 | 209 15 7.3 13.0 80 13 29261 50 13 -10.0 -8.4 | 150 5 -2.6 4.6 81 12 29566 95 10 -10.0 0.9 | 169 14 -2.6 13.8 82 10 31000 25 11 -4.6 -10.0 | 222 4 2.7 3.0 Wind Parameters Mean winds (0-6000m): 359.5 at 19.9 knts Storm direction: 29.5 at 14.9 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 63.9 deg Storm rel helicity (0-3000m) pos: 89.7 neg: -14.5 tot: 75.2 m^2/s^2 ave: 25.1 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.50 Bulk Shear: 68.15 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 ------------------------------------------------------------------------------- 500 185 3 206 18| 10.5 0.0 10.5| 45.2 0.0 45.2 90.4 0.87| 12.0 10.5 1000 355 7 231 10| 7.3 0.0 7.3| 70.5 0.0 70.5 70.5 0.69| 13.3 9.2 1500 360 9 241 8| 4.9 0.0 4.9| 72.9 -1.4 71.5 47.7 0.62| 10.2 6.3 2000 7 10 247 7| 3.4 0.0 3.4| 78.1 -5.4 72.7 36.4 0.45| 10.4 4.7 2500 5 11 250 7| 2.7 1.5 4.2| 89.7 -8.0 81.7 32.7 0.42| 10.6 4.5 3000 1 11 254 7| 1.9 1.2 3.1| 89.7 -14.5 75.2 25.1 0.36| 9.3 3.3 4000 360 13 273 7| 2.8 2.2 5.0|114.7 -38.9 75.9 19.0 0.32| 10.0 3.1 5000 358 17 297 9| 2.8 1.8 4.6|168.1 -54.4 113.7 22.7 0.31| 10.7 3.3 6000 359 20 313 10| 3.1 1.6 4.7|240.4 -76.1 164.3 27.4 0.32| 10.8 3.5 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250428.12.gif