UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 10 DEC 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 1022 3 12.4 8.9 79 3.5 10.4 305 8 283.8 285.0 282.7 303.2 7.01 1 1000 188 11.4 6.8 73 4.6 8.9 15 3 284.5 285.6 282.1 301.8 6.20 2 982 340 10.8 6.2 73 4.6 8.4 52 8 285.4 286.5 282.3 302.4 6.06 3 974 408 11.0 5.0 66 6.0 7.9 37 9 286.3 287.3 282.2 302.1 5.61 4 969 451 12.0 4.0 58 8.0 7.9 28 9 287.7 288.7 282.4 302.7 5.26 5 964 495 16.0 3.0 42 13.0 9.2 19 10 292.2 293.1 284.0 306.5 4.92 6 962 512 16.4 2.4 39 14.0 9.2 15 10 292.8 293.6 284.0 306.5 4.73 7 953 592 17.2 1.2 34 16.0 9.0 358 11 294.4 295.2 284.2 307.2 4.38 8 945 664 16.6 0.6 34 16.0 8.5 353 13 294.5 295.2 284.1 306.9 4.22 9 935 755 18.2 -7.8 16 26.0 6.8 349 15 297.0 297.4 283.0 303.9 2.27 10 932 782 18.6 -2.4 24 21.0 8.3 348 16 297.7 298.3 284.6 308.0 3.43 11 925 847 18.8 -1.2 26 20.0 8.8 345 18 298.5 299.2 285.3 309.9 3.78 12 920 893 19.2 1.2 30 18.0 9.7 345 18 299.4 300.2 286.4 313.0 4.53 13 902 1063 18.8 -2.2 24 21.0 8.3 347 19 300.7 301.3 285.9 311.6 3.60 14 861 1460 17.6 -8.4 16 26.0 6.0 346 23 303.5 303.9 285.6 310.8 2.35 15 850 1570 16.8 -8.2 17 25.0 5.6 350 24 303.7 304.2 285.8 311.3 2.42 16 836 1711 16.0 -11.0 15 27.0 4.6 350 26 304.3 304.7 285.5 310.6 1.97 17 774 2358 11.2 -12.8 17 24.0 1.6 346 21 306.0 306.3 286.0 311.9 1.84 18 758 2532 10.8 -17.2 12 28.0 0.5 342 19 307.4 307.6 285.9 311.6 1.31 19 700 3189 6.2 -19.8 13 26.0 -2.6 360 13 309.4 309.6 286.4 313.1 1.13 20 691 3295 5.4 -18.6 16 24.0 -2.9 360 12 309.6 309.8 286.6 313.8 1.27 21 689 3319 5.4 -19.6 14 25.0 -3.1 360 12 309.9 310.1 286.6 313.8 1.17 22 683 3390 5.6 -22.4 11 28.0 -3.4 357 13 310.9 311.0 286.7 314.0 0.93 23 645 3856 2.8 -23.2 13 26.0 -5.3 321 18 312.8 313.0 287.4 315.9 0.91 24 609 4317 -1.1 -20.1 22 19.0 -7.2 326 17 313.5 313.8 288.0 317.8 1.27 25 604 4383 -1.1 -27.1 12 26.0 -8.2 330 17 314.2 314.4 287.6 316.6 0.69 26 600 4436 -1.3 -24.3 15 23.0 -8.1 332 17 314.6 314.8 288.0 317.7 0.89 27 551 5108 -6.9 -24.9 22 18.0 -11.8 330 19 315.7 315.9 288.4 318.9 0.92 28 543 5222 -7.5 -29.5 15 22.0 -12.8 328 20 316.3 316.5 288.2 318.5 0.61 29 536 5323 -8.3 -24.3 26 16.0 -12.7 321 21 316.6 316.8 288.7 320.0 1.00 30 517 5602 -10.9 -24.9 31 14.0 -14.5 300 25 316.7 316.9 288.8 320.1 0.98 31 516 5617 -10.9 -24.9 31 14.0 -14.6 298 25 316.9 317.1 288.8 320.3 0.98 32 515 5632 -10.3 -31.3 16 21.0 -14.9 297 25 317.8 317.9 288.6 319.7 0.54 33 513 5662 -9.7 -32.7 13 23.0 -14.7 295 25 318.9 319.0 288.9 320.6 0.48 34 507 5753 -9.5 -38.5 7 29.0 -15.0 288 27 320.2 320.2 289.1 321.2 0.27 35 502 5829 -9.5 -45.5 4 36.0 -15.3 285 27 321.1 321.1 289.2 321.6 0.13 36 500 5860 -9.7 -46.7 3 37.0 -15.5 285 27 321.2 321.2 289.2 321.7 0.11 37 420 7172 -20.9 -42.9 12 22.0 -23.8 235 24 323.3 323.3 290.0 324.1 0.21 38 415 7260 -20.9 -46.9 8 26.0 -24.0 229 23 324.4 324.4 290.2 324.9 0.14 39 400 7530 -22.9 -49.9 7 27.0 -25.8 220 22 325.2 325.2 290.5 325.6 0.10 40 362 8255 -28.3 -61.3 3 33.0 -30.4 244 16 327.4 327.4 291.0 327.5 0.03 41 334 8826 -33.7 -55.7 9 22.0 -35.1 220 18 327.7 327.7 291.1 327.9 0.06 42 318 9169 -36.7 -61.7 6 25.0 -37.8 220 19 328.1 328.1 291.2 328.3 0.03 43 303 9502 -39.7 -55.7 17 16.0 -40.5 220 24 328.5 328.5 291.3 328.7 0.07 44 300 9570 -40.3 -59.3 11 19.0 -41.1 220 25 328.6 328.6 291.3 328.7 0.04 45 299 9593 -40.3 -59.3 11 19.0 -41.1 220 25 328.9 328.9 291.5 329.1 0.04 46 252 10728 -49.7 -69.7 8 20.0 -50.1 234 21 331.4 331.4 292.1 331.5 0.01 47 250 10780 -50.3 -70.3 8 20.0 -50.7 235 20 331.3 331.3 292.1 331.3 0.01 48 212 11837 -59.7 -74.7 12 15.0 -59.8 261 13 332.6 332.6 292.4 332.7 0.01 49 202 12138 -62.3 -75.3 16 13.0 -62.4 281 10 333.2 333.2 292.6 333.2 0.01 50 200 12200 -62.9 -72.9 25 10.0 -63.0 310 11 333.2 333.2 292.6 333.2 0.01 51 196 12324 -63.9 -70.9 38 7.0 -64.0 312 11 333.5 333.5 292.7 333.5 0.01 52 193 12418 -65.1 -71.1 43 6.0 -65.1 314 11 333.0 333.0 292.6 333.1 0.01 53 189 12545 -65.5 -72.5 37 7.0 -65.5 321 12 334.4 334.4 292.9 334.4 0.01 54 188 12577 -65.7 -71.7 43 6.0 -65.7 325 13 334.6 334.6 293.0 334.6 0.01 55 179 12873 -68.1 -71.7 60 3.6 -68.1 356 22 335.4 335.4 293.2 335.4 0.01 56 177 12940 -68.7 -72.9 55 4.2 -68.7 356 24 335.5 335.5 293.2 335.5 0.01 57 171 13146 -69.1 -76.1 36 7.0 -69.1 358 28 338.1 338.1 293.9 338.2 0.01 58 162 13468 -70.1 -77.1 35 7.0 -70.1 360 30 341.7 341.7 294.7 341.8 0.01 59 150 13930 -65.1 -84.1 6 19.0 -65.2 340 4 357.9 357.9 298.3 357.9 0.00 60 100 16370 -69.1 -87.1 6 18.0 -69.2 305 25 394.2 394.2 304.4 394.2 0.00 61 96 16613 -69.9 -87.9 6 18.0 -70.0 317 26 397.3 397.3 304.8 397.3 0.00 62 92 16868 -67.7 -87.7 4 20.0 -67.8 318 25 406.5 406.5 306.0 406.5 0.00 63 84 17413 -68.7 -87.7 5 19.0 -68.8 340 23 415.2 415.2 307.2 415.2 0.00 64 71 18424 -66.5 -88.5 3 22.0 -66.7 344 19 440.3 440.3 309.9 440.3 0.00 65 70 18510 -66.9 -88.9 3 22.0 -67.1 350 24 441.3 441.3 310.0 441.3 0.00 66 60 19446 -67.3 -89.3 3 22.0 -67.5 40 12 460.3 460.3 311.8 460.3 0.00 67 51 20438 -64.1 -89.1 2 25.0 -64.4 2 14 489.6 489.7 314.2 489.7 0.00 68 50 20560 -62.3 -89.3 2 27.0 -62.7 25 15 496.7 496.7 314.7 496.7 0.00 69 49 20684 -61.5 -88.5 2 27.0 -62.0 14 23 501.4 501.4 315.1 501.5 0.00 70 44 21350 -60.7 -88.7 1 28.0 -61.3 61 14 519.1 519.1 316.2 519.1 0.00 71 38 22253 -63.7 -90.7 1 27.0 -64.2 63 22 533.7 533.7 317.2 533.7 0.00 72 34 22940 -59.3 -88.3 1 29.0 -60.2 42 14 562.5 562.5 318.8 562.5 0.00 73 33 23127 -59.3 -88.3 1 29.0 -60.2 15 11 567.3 567.3 319.0 567.3 0.00 74 30 23720 -60.9 -88.9 1 28.0 -61.7 60 21 578.6 578.6 319.6 578.6 0.00 75 27 24374 -62.1 -89.1 2 27.0 -62.9 75 17 592.9 592.9 320.3 593.0 0.01 76 25 24852 -60.5 -89.5 1 29.0 -61.5 59 17 610.7 610.7 321.1 610.8 0.01 77 24 25108 -57.1 -88.1 1 31.0 -58.6 56 23 627.8 627.8 321.8 627.8 0.01 78 20 26260 -58.3 -88.3 1 30.0 -59.9 90 18 657.7 657.7 323.0 657.8 0.01 79 17 27292 -54.3 -86.3 1 32.0 -57.0 76 24 701.8 701.8 324.5 701.9 0.01 80 16 27680 -55.5 -86.5 1 31.0 -58.0 83 19 710.2 710.2 324.7 710.3 0.01 81 15 28094 -52.9 -85.9 1 33.0 -56.2 84 31 732.1 732.1 325.4 732.2 0.02 82 14 28538 -54.1 -86.1 1 32.0 -57.2 95 28 742.6 742.6 325.7 742.7 0.02 83 13 29015 -52.7 -85.7 1 33.0 -56.5 87 27 763.3 763.4 326.3 763.5 0.02 84 11 30091 -53.7 -85.7 1 32.0 -57.6 118 29 797.1 797.1 327.2 797.3 0.02 85 10 30700 -56.3 -86.3 1 30.0 -59.6 100 25 809.4 809.4 327.5 809.6 0.02 86 9.7 30894 -54.7 -86.7 1 32.0 -58.6 98 25 822.5 822.5 327.8 822.7 0.02 87 7.7 32358 -58.5 -87.5 1 29.0 -61.7 85 24 863.4 863.4 328.7 863.6 0.02 88 7.0 32960 -56.7 -86.7 1 30.0 -60.7 80 24 894.7 894.7 329.3 895.0 0.03 89 6.8 33144 -56.5 -86.5 1 30.0 -60.7 902.9 903.0 329.5 903.3 0.03 90 6.6 33333 -58.1 -87.1 1 29.0 -61.8 904.0 904.0 329.5 904.2 0.03 91 6.3 33627 -55.5 -86.5 1 31.0 -60.3 927.1 927.2 329.9 927.5 0.03 92 6.2 33729 -56.1 -86.1 1 30.0 -60.7 928.8 928.9 329.9 929.2 0.04 TRP 162 13468 -70.1 -77.1 35 7.0 -70.1 360 30 341.7 341.7 294.7 341.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5672.00 m Freezing level: 619.15 mb = 4186.92 m = 13736.46 ft Wetbulb zero: 748.88 mb = 2632.07 m = 8635.31 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 22.11 % Est. max temperature: 31.45 C = 88.60 F Sfc-Lift cond lev (LCL): 969.46 mb = 447.01 m = 1466.55 ft T: 11.91 C 700-500 lapse rate: 5.95 C/km ThetaE index: 3.30 C Layer 945.0- 932.0 mb Conv cond level (CCL): 581.53 mb = 4682.51 m = 15362.39 ft Mean mixing ratio: 5.15 g/kg Conv temperature: 43.86 C = 110.95 F Cap Strength: 16.09 C Lifted Index: 16.12 C Risk: None Lifted Index @300 mb: 17.16 C Lifted Index @700 mb: 13.09 C Showalter Index: 11.78 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 1.50 C K Index: -7.70 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.91 J/kg Max Up Vert Vel: 12.24 m/s Conv Inhibition (B-): 67931.77 J/kg Cap Strength: 15.28 C Lift Cond Lev (LCL): 828.19 mb = 1789.74 m = 5871.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 14 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 1022 3 305 8 6.6 -4.6 | 220 12 7.6 9.0 1 1000 188 15 3 -0.8 -2.9 | 182 11 0.3 10.7 2 986 305 60 8 -6.9 -4.0 | 149 11 -5.9 9.6 3 951 610 355 11 1.0 -11.0 | 217 3 2.0 2.7 4 925 847 345 18 4.7 -17.4 | 303 7 5.7 -3.8 5 918 914 345 18 4.7 -17.4 | 303 7 5.7 -3.8 6 886 1219 350 20 3.5 -19.7 | 323 8 4.5 -6.1 7 855 1524 345 24 6.2 -23.2 | 323 12 7.3 -9.6 8 850 1570 350 24 4.2 -23.6 | 332 11 5.2 -10.0 9 824 1829 350 28 4.9 -27.6 | 337 15 5.9 -14.0 10 794 2134 350 22 3.8 -21.7 | 329 9 4.9 -8.1 11 766 2438 345 20 5.2 -19.3 | 312 8 6.2 -5.7 12 738 2743 335 15 6.3 -13.6 | 270 7 7.4 0.0 13 700 3189 360 13 -0.0 -13.0 | 240 1 1.1 0.6 14 686 3353 360 12 -0.0 -12.0 | 214 2 1.1 1.6 15 660 3658 330 21 10.5 -18.2 | 292 12 11.6 -4.6 16 635 3962 315 16 11.3 -11.3 | 259 13 12.4 2.3 17 611 4267 325 17 9.8 -13.9 | 272 11 10.8 -0.3 18 588 4572 340 18 6.2 -16.9 | 295 8 7.2 -3.3 19 566 4877 330 16 8.0 -13.9 | 272 9 9.1 -0.2 20 545 5182 330 20 10.0 -17.3 | 289 12 11.1 -3.7 21 504 5791 285 27 26.1 -7.0 | 256 28 27.1 6.6 22 500 5860 285 27 26.1 -7.0 | 256 28 27.1 6.6 23 484 6096 280 27 26.6 -4.7 | 252 29 27.7 8.9 24 465 6401 285 28 27.0 -7.2 | 257 29 28.1 6.4 25 412 7315 225 23 16.3 16.3 | 210 35 17.3 29.9 26 400 7530 220 22 14.1 16.9 | 207 34 15.2 30.5 27 395 7620 220 22 14.1 16.9 | 207 34 15.2 30.5 28 362 8230 245 16 14.5 6.8 | 217 26 15.6 20.4 29 347 8534 220 17 10.9 13.0 | 204 29 12.0 26.6 30 319 9144 220 19 12.2 14.6 | 205 31 13.3 28.2 31 300 9570 220 25 16.1 19.2 | 208 37 17.1 32.8 32 279 10058 215 27 15.5 22.1 | 205 39 16.6 35.7 33 250 10780 235 20 16.4 11.5 | 215 31 17.4 25.1 34 220 11582 245 15 13.6 6.3 | 216 25 14.7 19.9 35 200 12192 285 10 9.7 -2.6 | 224 15 10.7 11.0 36 200 12200 310 11 8.4 -7.1 | 235 12 9.5 6.5 37 190 12497 315 11 7.8 -7.8 | 237 11 8.8 5.8 38 181 12802 355 21 1.8 -20.9 | 338 8 2.9 -7.3 39 164 13411 360 34 -0.0 -34.0 | 357 20 1.1 -20.4 40 162 13468 360 30 -0.0 -30.0 | 356 16 1.1 -16.4 41 155 13716 5 20 -1.7 -19.9 | 6 6 -0.7 -6.3 42 150 13930 340 4 1.4 -3.8 | 194 10 2.4 9.8 43 148 14021 345 10 2.6 -9.7 | 223 5 3.7 3.9 44 140 14326 175 1 -0.1 1.0 | 184 15 1.0 14.6 45 134 14630 280 10 9.8 -1.7 | 223 16 10.9 11.9 46 127 14935 310 22 16.9 -14.1 | 272 18 17.9 -0.5 47 121 15240 305 24 19.7 -13.8 | 270 21 20.7 -0.2 48 115 15545 315 32 22.6 -22.6 | 291 25 23.7 -9.0 49 109 15850 330 29 14.5 -25.1 | 306 19 15.6 -11.5 50 104 16154 305 20 16.4 -11.5 | 263 18 17.4 2.1 51 100 16370 305 25 20.5 -14.3 | 272 22 21.5 -0.7 52 94 16764 325 26 14.9 -21.3 | 296 18 16.0 -7.7 53 89 17069 305 22 18.0 -12.6 | 267 19 19.1 1.0 54 85 17374 340 24 8.2 -22.6 | 314 13 9.3 -8.9 55 73 18288 335 10 4.2 -9.1 | 229 7 5.3 4.5 56 70 18510 350 24 4.2 -23.6 | 332 11 5.2 -10.0 57 69 18593 315 17 12.0 -12.0 | 263 13 13.1 1.6 58 66 18898 355 25 2.2 -24.9 | 344 12 3.2 -11.3 59 59 19507 45 11 -7.8 -7.8 | 131 9 -6.7 5.8 60 57 19812 310 3 2.3 -1.9 | 196 12 3.4 11.7 61 54 20117 300 10 8.7 -5.0 | 228 13 9.7 8.6 62 50 20560 25 15 -6.3 -13.6 | 90 5 -5.3 0.0 63 49 20726 10 26 -4.5 -25.6 | 16 12 -3.4 -12.0 64 46 21031 20 16 -5.5 -15.0 | 72 5 -4.4 -1.4 65 44 21336 60 14 -12.1 -7.0 | 121 13 -11.1 6.6 66 42 21641 80 14 -13.8 -2.4 | 131 17 -12.7 11.2 67 36 22555 55 26 -21.3 -14.9 | 86 20 -20.2 -1.3 68 34 22860 55 16 -13.1 -9.2 | 110 13 -12.0 4.4 69 33 23165 10 10 -1.7 -9.8 | 170 4 -0.7 3.8 70 31 23470 35 23 -13.2 -18.8 | 67 13 -12.1 -5.2 71 30 23720 60 21 -18.2 -10.5 | 100 17 -17.1 3.1 72 30 23774 60 19 -16.5 -9.5 | 105 16 -15.4 4.1 73 27 24384 75 17 -16.4 -4.4 | 121 18 -15.4 9.2 74 26 24689 60 12 -10.4 -6.0 | 129 12 -9.3 7.6 75 23 25298 55 28 -22.9 -16.1 | 84 22 -21.9 -2.5 76 20 26260 90 18 -18.0 0.0 | 129 22 -16.9 13.6 77 19 26518 100 21 -20.7 3.6 | 131 26 -19.6 17.3 78 18 26822 80 19 -18.7 -3.3 | 120 20 -17.6 10.3 79 17 27432 75 25 -24.1 -6.5 | 107 24 -23.1 7.1 80 16 27737 85 18 -17.9 -1.6 | 126 21 -16.9 12.0 81 15 28042 80 32 -31.5 -5.6 | 105 31 -30.4 8.1 82 14 28346 100 28 -27.6 4.9 | 125 32 -26.5 18.5 83 13 28956 85 27 -26.9 -2.4 | 114 28 -25.8 11.3 84 11 30175 120 29 -25.1 14.5 | 139 37 -24.0 28.1 85 10 30700 100 25 -24.6 4.3 | 127 30 -23.6 17.9 86 7 32960 80 24 -23.6 -4.2 | 113 24 -22.6 9.4 Wind Parameters Mean winds (0-6000m): 334.5 at 18.2 knts Storm direction: 4.5 at 13.7 knts Shear (0-3000m) pos: 2.5 neg: 2.2 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 49.8 deg Storm rel helicity (0-3000m) pos: 24.5 neg: -57.8 tot: -33.3 m^2/s^2 ave: -11.1 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 10.6 stream: -1.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.77 Bulk Shear: 27.04 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 20 7 169 7| 11.1 0.0 11.1| 1.6 -35.0 -33.4 -66.9 -0.60| 21.4-12.7 1000 357 11 211 3| 5.5 5.8 11.4| 11.6 -35.0 -23.4 -23.4 -0.05| 17.3 -0.9 1500 352 14 277 3| 3.7 5.6 9.3| 15.1 -35.3 -20.2 -13.5 -0.00| 13.5 -0.0 2000 351 17 311 5| 3.3 4.2 7.5| 24.4 -38.1 -13.7 -6.8 0.04| 12.3 0.5 2500 350 18 315 6| 2.6 2.6 5.3| 24.4 -49.0 -24.6 -9.8 -0.05| 11.1 -0.5 3000 349 18 309 6| 2.5 2.2 4.7| 24.5 -57.8 -33.3 -11.1 -0.11| 10.6 -1.2 4000 346 17 301 6| 1.9 2.5 4.4| 26.9 -80.7 -53.8 -13.5 -0.14| 10.7 -1.5 5000 343 17 294 7| 2.0 2.2 4.2| 44.5 -86.9 -42.4 -8.5 -0.09| 9.8 -0.8 6000 334 18 288 9| 1.7 3.3 5.0| 48.6-155.7-107.1 -17.8 -0.16| 10.1 -1.6 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251210.00.gif