UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 4 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 1019 3 18.0 1.0 32 17.0 9.6 45 9 289.6 290.3 281.8 301.2 4.03 1 1010 79 17.2 -2.8 25 20.0 8.0 33 11 289.5 290.1 280.7 298.5 3.07 2 1000 163 16.4 -2.6 27 19.0 7.6 20 13 289.5 290.1 280.8 298.8 3.15 3 930 773 10.6 -5.4 32 16.0 3.8 19 17 289.7 290.2 280.3 297.8 2.74 4 925 818 10.4 -6.6 30 17.0 3.4 20 18 289.9 290.4 280.2 297.4 2.52 5 899 1055 8.8 -9.2 27 18.0 1.8 18 21 290.7 291.0 280.0 297.0 2.11 6 884 1194 9.2 -12.8 20 22.0 1.2 15 22 292.5 292.8 280.2 297.4 1.61 7 882 1213 10.4 -17.6 12 28.0 1.0 15 22 293.9 294.1 280.1 297.3 1.09 8 874 1289 11.8 -23.2 7 35.0 1.1 18 22 296.1 296.3 280.6 298.3 0.67 9 850 1521 10.8 -24.2 7 35.0 0.3 30 22 297.5 297.6 281.1 299.5 0.63 10 844 1580 10.8 -25.2 6 36.0 0.2 29 21 298.1 298.2 281.3 300.0 0.58 11 702 3083 0.2 -33.8 6 34.0 -7.3 10 23 302.5 302.5 282.8 303.5 0.31 12 700 3106 0.2 -33.8 6 34.0 -7.3 10 25 302.7 302.8 282.9 303.8 0.31 13 691 3210 0.4 -38.6 3 39.0 -7.5 6 26 304.1 304.1 283.3 304.7 0.20 14 665 3517 -0.9 -43.9 2 43.0 -8.6 5 32 305.9 306.0 284.0 306.4 0.12 15 655 3638 -0.7 -38.7 4 38.0 -8.4 9 35 307.5 307.5 284.7 308.2 0.21 16 651 3687 -0.7 -28.7 10 28.0 -7.8 10 36 308.0 308.1 285.3 309.9 0.55 17 634 3897 -2.5 -18.5 28 16.0 -7.7 6 38 308.3 308.6 286.4 312.9 1.40 18 633 3910 -2.7 -14.7 39 12.0 -7.0 6 38 308.2 308.6 286.9 314.5 1.93 19 630 3948 -2.9 -16.9 33 14.0 -7.6 6 39 308.4 308.7 286.6 313.7 1.61 20 626 3998 -2.9 -12.9 46 10.0 -6.6 4 39 309.0 309.4 287.5 316.2 2.26 21 617 4113 -3.3 -12.3 50 9.0 -6.7 359 36 309.8 310.3 287.9 317.5 2.41 22 615 4139 -3.5 -12.5 50 9.0 -6.9 357 35 309.9 310.3 287.9 317.5 2.38 23 554 4954 -10.3 -13.9 75 3.6 -11.5 346 33 311.2 311.7 288.3 318.8 2.36 24 551 4996 -10.5 -14.3 74 3.8 -11.8 346 34 311.5 311.9 288.3 318.9 2.29 25 548 5038 -10.1 -15.0 67 4.9 -11.8 347 35 312.4 312.8 288.6 319.5 2.18 26 518 5470 -12.5 -18.5 61 6.0 -14.3 352 42 314.6 314.9 288.8 320.3 1.72 27 500 5740 -13.7 -21.7 51 8.0 -15.9 355 47 316.3 316.6 289.0 320.9 1.35 28 481 6034 -15.3 -24.3 46 9.0 -17.6 359 47 317.9 318.1 289.3 321.7 1.11 29 473 6160 -16.3 -26.3 42 10.0 -18.6 0 49 318.2 318.4 289.2 321.4 0.94 30 443 6650 -20.1 -23.6 74 3.5 -21.0 2 63 319.4 319.7 289.9 323.8 1.29 31 433 6819 -20.9 -25.5 66 4.6 -22.0 3 68 320.5 320.7 290.0 324.3 1.11 32 425 6956 -22.1 -26.0 71 3.9 -22.9 3 73 320.7 320.9 290.1 324.4 1.08 33 416 7113 -22.5 -29.5 53 7.0 -23.9 4 77 322.1 322.3 290.2 324.9 0.80 34 400 7400 -24.9 -30.9 57 6.0 -26.0 5 86 322.6 322.8 290.3 325.2 0.73 35 399 7418 -25.1 -31.1 57 6.0 -26.2 5 86 322.6 322.7 290.3 325.1 0.71 36 376 7846 -27.9 -35.9 46 8.0 -29.0 5 90 324.4 324.5 290.6 326.2 0.47 37 357 8215 -30.9 -35.6 63 4.7 -31.6 5 92 325.2 325.3 290.9 327.1 0.52 38 352 8315 -31.7 -38.7 50 7.0 -32.5 5 92 325.5 325.5 290.8 326.9 0.38 39 342 8517 -33.5 -39.5 55 6.0 -34.1 5 93 325.7 325.8 290.9 327.1 0.36 40 335 8662 -34.7 -40.7 54 6.0 -35.3 5 94 326.0 326.1 290.9 327.2 0.33 41 327 8829 -36.3 -43.3 48 7.0 -36.9 5 94 326.1 326.1 290.9 327.0 0.25 42 316 9065 -38.1 -44.1 53 6.0 -38.6 5 96 326.8 326.8 291.0 327.7 0.24 43 309 9219 -39.3 -48.3 38 9.0 -39.9 5 97 327.2 327.2 291.1 327.8 0.16 44 305 9308 -40.1 -47.1 47 7.0 -40.6 5 98 327.3 327.3 291.2 328.0 0.18 45 303 9352 -40.5 -49.5 37 9.0 -41.1 5 98 327.3 327.4 291.1 327.9 0.14 46 300 9420 -41.1 -49.1 42 8.0 -41.6 5 99 327.4 327.5 291.2 328.0 0.15 47 294 9557 -42.5 -50.5 41 8.0 -42.9 6 99 327.3 327.4 291.1 327.8 0.13 48 291 9626 -42.9 -52.9 33 10.0 -43.4 6 99 327.7 327.8 291.2 328.1 0.10 49 275 10005 -46.3 -53.3 45 7.0 -46.6 7 99 328.2 328.2 291.3 328.6 0.10 50 273 10053 -46.9 -55.9 35 9.0 -47.2 8 99 328.0 328.0 291.2 328.3 0.07 51 260 10375 -49.9 -56.9 44 7.0 -50.1 9 99 328.2 328.2 291.3 328.4 0.07 52 258 10425 -50.3 -57.3 43 7.0 -50.5 9 99 328.3 328.3 291.3 328.6 0.06 53 250 10630 -52.1 -59.1 43 7.0 -52.3 10 99 328.6 328.6 291.4 328.8 0.05 54 242 10839 -53.9 -59.4 51 5.5 -54.1 10 101 328.9 328.9 291.5 329.1 0.05 55 232 11108 -56.3 -59.8 65 3.5 -56.3 10 93 329.3 329.3 291.6 329.5 0.05 56 231 11136 -56.5 -60.3 62 3.8 -56.6 10 91 329.4 329.4 291.6 329.6 0.05 57 226 11274 -56.7 -60.9 59 4.2 -56.8 7 86 331.2 331.2 292.1 331.4 0.05 58 207 11831 -56.3 -64.3 36 8.0 -56.5 352 83 340.2 340.3 294.4 340.4 0.03 59 200 12050 -54.7 -80.7 3 26.0 -55.0 360 92 346.1 346.1 295.8 346.2 0.00 60 150 13870 -61.3 -84.3 3 23.0 -61.4 10 60 364.5 364.5 299.5 364.5 0.00 61 100 16340 -66.9 -86.9 4 20.0 -67.0 15 49 398.5 398.5 305.0 398.5 0.00 62 92 16846 -64.5 -87.5 3 23.0 -64.7 25 44 412.8 412.8 306.9 412.8 0.00 63 80 17701 -63.5 -87.5 2 24.0 -63.7 48 33 431.7 431.7 309.0 431.7 0.00 64 75 18094 -67.3 -88.3 4 21.0 -67.5 53 27 431.8 431.8 309.0 431.8 0.00 65 70 18510 -66.7 -88.7 3 22.0 -66.9 15 23 441.7 441.7 310.0 441.7 0.00 66 68 18685 -66.7 -88.7 3 22.0 -66.9 32 23 445.4 445.4 310.4 445.4 0.00 67 62 19247 -63.7 -88.7 2 25.0 -64.0 12 28 463.9 463.9 312.1 463.9 0.00 68 60 19448 -64.1 -89.1 2 25.0 -64.4 20 28 467.4 467.4 312.4 467.4 0.00 69 58 19656 -62.1 -88.1 2 26.0 -62.5 29 28 476.5 476.5 313.2 476.5 0.00 70 55 19984 -63.1 -89.1 2 26.0 -63.4 38 21 481.5 481.5 313.5 481.5 0.00 71 55 19984 -61.5 -88.5 2 27.0 -61.9 38 21 485.1 485.1 313.8 485.2 0.00 72 50 20570 -64.5 -89.5 2 25.0 -64.8 55 26 491.5 491.5 314.3 491.5 0.00 73 49 20693 -64.5 -89.5 2 25.0 -64.8 55 26 494.3 494.3 314.5 494.3 0.00 74 44 21352 -64.1 -90.1 2 26.0 -64.5 63 22 510.8 510.8 315.7 510.8 0.00 75 42 21638 -62.3 -89.3 2 27.0 -62.8 40 31 522.1 522.1 316.4 522.1 0.00 76 39 22094 -63.7 -89.7 2 26.0 -64.1 52 26 529.7 529.7 316.9 529.7 0.00 77 37 22418 -62.7 -89.7 1 27.0 -63.3 47 25 540.3 540.3 317.5 540.3 0.00 78 37 22418 -60.5 -89.5 1 29.0 -61.2 47 25 546.0 546.0 317.9 546.0 0.00 79 35 22767 -57.9 -87.9 1 30.0 -58.9 41 25 561.5 561.5 318.7 561.5 0.00 80 30 23730 -61.7 -88.7 2 27.0 -62.4 40 24 576.4 576.4 319.5 576.5 0.00 81 28 24161 -57.9 -87.9 1 30.0 -59.2 50 22 598.5 598.5 320.5 598.5 0.01 82 28 24161 -57.9 -87.9 1 30.0 -59.2 50 22 598.5 598.5 320.5 598.5 0.01 83 24 25127 -60.5 -88.5 1 28.0 -61.6 49 32 617.9 617.9 321.4 618.0 0.01 84 22 25671 -59.3 -88.3 1 29.0 -60.6 41 34 637.1 637.1 322.2 637.1 0.01 TRP 231 11136 -56.5 -60.3 62 3.8 -56.6 10 91 329.4 329.4 291.6 329.6 0.05 WND 242 10839 -53.9 -59.4 51 5.5 -54.1 10 101 328.9 328.9 291.5 329.1 0.05 Sounding variables and indices 1000-500 mb thick: 5577.00 m Freezing level: 683.00 mb = 3304.25 m = 10840.57 ft Wetbulb zero: 840.30 mb = 1615.78 m = 5301.05 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 28.71 % Est. max temperature: 24.86 C = 76.75 F Sfc-Lift cond lev (LCL): 789.35 mb = 2126.15 m = 6975.48 ft T: 6.95 C 700-500 lapse rate: 5.28 C/km ThetaE index: 2.73 C Layer 1010.0-1000.0 mb Conv cond level (CCL): 528.31 mb = 5318.96 m = 17450.45 ft Mean mixing ratio: 2.97 g/kg Conv temperature: 42.39 C = 108.30 F Cap Strength: 15.43 C Lifted Index: 16.43 C Risk: None Lifted Index @300 mb: 20.70 C Lifted Index @700 mb: 10.61 C Showalter Index: 15.48 C Risk: None Total Totals Index: 14.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: -10.50 C K Index: -33.70 Risk: None Sweat Index: 91.00 Risk: None Energy Index: 4.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.00 J/kg Max Up Vert Vel: 1.42 m/s Conv Inhibition (B-): 40070.13 J/kg Cap Strength: 16.41 C Lift Cond Lev (LCL): 740.16 mb = 2651.27 m = 8698.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 at 20 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 1019 3 45 9 -6.4 -6.4 | 205 12 5.1 10.7 1 1000 163 20 13 -4.4 -12.2 | 235 8 7.0 4.8 2 983 305 20 13 -4.4 -12.2 | 235 8 7.0 4.8 3 948 610 15 13 -3.4 -12.6 | 241 9 8.0 4.5 4 925 818 20 18 -6.2 -16.9 | 269 5 5.3 0.1 5 914 914 20 21 -7.2 -19.7 | 303 5 4.2 -2.7 6 881 1219 15 22 -5.7 -21.3 | 306 7 5.7 -4.2 7 850 1521 30 22 -11.0 -19.1 | 348 2 0.4 -2.0 8 819 1829 25 19 -8.0 -17.2 | 273 3 3.4 -0.2 9 789 2134 25 19 -8.0 -17.2 | 273 3 3.4 -0.2 10 760 2438 15 20 -5.2 -19.3 | 290 7 6.2 -2.3 11 732 2743 10 22 -3.8 -21.7 | 301 9 7.6 -4.6 12 705 3048 10 21 -3.6 -20.7 | 295 9 7.8 -3.7 13 700 3106 10 25 -4.3 -24.6 | 317 10 7.1 -7.6 14 678 3353 360 28 -0.0 -28.0 | 314 16 11.4 -11.0 15 652 3658 10 36 -6.3 -35.5 | 344 19 5.2 -18.4 16 627 3962 5 39 -3.4 -38.9 | 340 23 8.0 -21.8 17 604 4267 350 31 5.4 -30.5 | 309 22 16.8 -13.5 18 558 4877 345 32 8.3 -30.9 | 305 24 19.7 -13.9 19 500 5740 355 47 4.1 -46.8 | 332 34 15.5 -29.8 20 477 6096 360 47 -0.0 -47.0 | 339 32 11.4 -30.0 21 400 7400 5 86 -7.5 -85.7 | 357 69 3.9 -68.6 22 388 7620 5 89 -7.8 -88.7 | 357 72 3.7 -71.6 23 312 9144 5 96 -8.4 -95.6 | 358 79 3.0 -78.6 24 300 9420 5 99 -8.6 -98.6 | 358 82 2.8 -81.6 25 250 10630 10 99 -17.2 -97.5 | 4 81 -5.8 -80.5 26 242 10839 10 101 -17.5 -99.5 | 4 83 -6.1 -82.4 27 237 10973 10 101 -17.5 -99.5 | 4 83 -6.1 -82.4 28 231 11136 10 91 -15.8 -89.6 | 3 73 -4.4 -72.6 29 215 11582 360 76 -0.0 -76.0 | 349 60 11.4 -59.0 30 205 11887 350 84 14.6 -82.7 | 338 71 26.0 -65.7 31 200 12050 360 92 -0.0 -92.0 | 351 76 11.4 -75.0 32 196 12192 355 95 8.3 -94.6 | 346 80 19.7 -77.6 33 186 12497 5 69 -6.0 -68.7 | 354 52 5.4 -51.7 34 161 13411 5 51 -4.4 -50.8 | 348 34 7.0 -33.8 35 154 13716 5 65 -5.7 -64.8 | 353 48 5.7 -47.7 36 150 13870 10 60 -10.4 -59.1 | 359 42 1.0 -42.1 37 139 14326 5 52 -4.5 -51.8 | 349 35 6.9 -34.8 38 120 15240 15 59 -15.3 -57.0 | 6 40 -3.9 -40.0 39 114 15545 30 61 -30.5 -52.8 | 28 41 -19.1 -35.8 40 100 16340 15 49 -12.7 -47.3 | 2 30 -1.3 -30.3 41 98 16459 15 49 -12.7 -47.3 | 2 30 -1.3 -30.3 42 76 17983 55 29 -23.8 -16.6 | 92 12 -12.3 0.4 43 73 18288 50 24 -18.4 -15.4 | 103 7 -7.0 1.6 44 70 18510 15 23 -6.0 -22.2 | 314 8 5.5 -5.2 45 69 18593 40 23 -14.8 -17.6 | 80 3 -3.4 -0.6 46 66 18898 15 24 -6.2 -23.2 | 320 8 5.2 -6.2 47 63 19202 10 28 -4.9 -27.6 | 328 12 6.6 -10.5 48 57 19812 35 28 -16.1 -22.9 | 38 8 -4.6 -5.9 49 54 20117 40 15 -9.6 -11.5 | 198 6 1.8 5.5 50 50 20570 55 26 -21.3 -14.9 | 102 10 -9.9 2.1 51 46 21031 55 27 -22.1 -15.5 | 98 11 -10.7 1.5 52 44 21336 65 21 -19.0 -8.9 | 137 11 -7.6 8.2 53 42 21641 40 31 -19.9 -23.7 | 52 11 -8.5 -6.7 54 40 21946 55 26 -21.3 -14.9 | 102 10 -9.9 2.1 55 35 22860 40 25 -16.1 -19.2 | 65 5 -4.7 -2.1 56 30 23730 40 24 -15.4 -18.4 | 71 4 -4.0 -1.4 57 30 23774 80 22 -21.7 -3.8 | 142 17 -10.3 13.2 58 27 24079 40 22 -14.1 -16.9 | 94 3 -2.7 0.2 59 25 24384 55 31 -25.4 -17.8 | 87 14 -14.0 -0.8 60 22 24994 40 34 -21.9 -26.0 | 49 14 -10.4 -9.0 61 20 25298 75 31 -29.9 -8.0 | 116 21 -18.5 9.0 62 19 25603 60 32 -27.7 -16.0 | 94 16 -16.3 1.0 63 17 25908 70 39 -36.6 -13.3 | 98 26 -25.2 3.7 Wind Parameters Mean winds (0-6000m): 3.8 at 27.3 knts Storm direction: 33.8 at 20.5 knts Shear (0-3000m) pos: 1.7 neg: 2.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 32.3 neg: -3.3 tot: 29.0 m^2/s^2 ave: 9.7 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 34.17 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 22 12 230 9| 0.0 6.8 6.8| 13.8 0.0 13.8 27.6 0.80| 7.2 5.7 1000 20 15 243 7| 4.3 3.4 7.7| 24.9 0.0 24.9 24.9 0.78| 8.3 6.4 1500 20 17 260 6| 3.3 2.3 5.6| 28.0 0.0 28.0 18.7 0.67| 7.8 5.2 2000 22 18 264 5| 2.5 1.7 4.2| 28.0 -1.8 26.2 13.1 0.47| 6.7 3.2 2500 22 18 268 5| 2.0 2.2 4.2| 30.3 -1.8 28.5 11.4 0.46| 6.2 2.9 3000 19 19 276 5| 1.7 2.1 3.8| 32.3 -3.3 29.0 9.7 0.43| 5.7 2.5 4000 15 22 306 7| 1.2 3.5 4.7| 79.8 -22.5 57.3 14.3 0.41| 7.3 2.9 5000 8 24 310 11| 1.0 3.0 4.0| 91.8 -90.5 1.3 0.3 0.18| 7.4 1.3 6000 4 27 317 14| 2.1 2.5 4.6|205.1 -90.5 114.6 19.1 0.31| 7.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20251204.00.gif