UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for KNKX... Searching the city database file for: KNKX ... Date:0000Z 27 DEC 25 Station: KNKX WMO ident: 72293 Latitude: 32.87 Longitude: -117.13 Elevation: 146.00 ------------------------------------------------------------------------------- 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 1000 146 17.6 11.6 68 6.0 14.0 220 6 290.8 292.3 287.1 315.1 8.60 1 954 540 13.2 10.5 84 2.7 11.6 209 12 290.2 291.7 286.7 313.9 8.38 2 952 557 13.2 9.0 76 4.2 10.8 208 12 290.4 291.7 286.0 311.9 7.58 3 942 645 12.0 10.3 89 1.7 11.0 207 12 290.1 291.5 286.6 313.7 8.37 4 934 715 11.6 8.7 82 2.9 9.9 211 13 290.4 291.7 286.0 311.9 7.57 5 925 795 10.8 8.6 86 2.2 9.6 215 14 290.4 291.7 286.0 311.9 7.60 6 880 1209 7.4 5.6 88 1.8 6.4 205 16 291.0 292.1 285.1 309.5 6.49 7 866 1341 6.0 5.7 98 0.3 5.8 216 18 290.9 292.1 285.2 309.8 6.64 8 860 1398 6.6 6.6 100 0.0 6.6 221 19 292.1 293.3 286.2 312.5 7.12 9 850 1494 6.4 6.4 100 0.0 6.4 230 20 292.9 294.1 286.5 313.3 7.11 10 782 2176 3.6 2.8 94 0.8 3.2 234 16 296.9 298.0 286.9 314.5 5.99 11 744 2579 0.8 0.8 100 0.0 0.8 223 17 298.1 299.1 286.8 314.3 5.45 12 710 2955 -0.9 -2.6 88 1.7 -1.7 220 18 300.3 301.1 286.6 313.7 4.45 13 700 3068 -1.9 -3.1 91 1.2 -2.4 225 22 300.4 301.2 286.5 313.5 4.35 14 682 3274 -2.9 -3.3 97 0.4 -3.1 230 24 301.5 302.3 287.0 314.8 4.40 15 677 3332 -2.5 -5.3 81 2.8 -3.7 232 25 302.6 303.3 286.8 314.2 3.81 16 676 3344 -2.3 -7.3 69 5.0 -4.4 232 25 302.9 303.5 286.4 313.0 3.27 17 673 3379 -2.3 -9.3 59 7.0 -5.1 233 25 303.3 303.8 286.1 312.0 2.81 18 670 3415 -2.3 -10.3 54 8.0 -5.4 234 25 303.7 304.2 286.0 311.8 2.60 19 645 3715 -4.7 -18.7 33 14.0 -8.9 240 29 304.3 304.6 284.8 308.7 1.35 20 639 3788 -4.7 -27.7 15 23.0 -10.2 240 30 305.1 305.2 284.2 307.2 0.61 21 627 3936 -5.5 -20.5 30 15.0 -9.9 240 32 305.9 306.1 285.2 309.8 1.19 22 619 4037 -6.1 -25.1 21 19.0 -10.9 240 34 306.3 306.5 284.9 309.0 0.80 23 602 4254 -7.9 -27.9 18 20.0 -12.5 240 38 306.7 306.8 284.9 308.8 0.64 24 596 4331 -8.1 -22.1 31 14.0 -11.9 240 40 307.3 307.5 285.7 310.9 1.09 25 588 4436 -8.7 -21.7 34 13.0 -12.3 239 44 307.8 308.0 285.9 311.6 1.15 26 586 4462 -8.7 -21.7 34 13.0 -12.3 239 45 308.1 308.3 286.0 311.9 1.15 27 584 4489 -8.7 -24.7 26 16.0 -12.8 238 45 308.4 308.6 285.8 311.4 0.88 28 580 4542 -8.9 -24.9 26 16.0 -12.9 238 47 308.8 309.0 285.9 311.7 0.87 29 577 4582 -8.9 -34.9 10 26.0 -13.9 238 49 309.3 309.3 285.5 310.5 0.34 30 568 4703 -8.7 -33.7 11 25.0 -13.7 237 53 310.9 311.0 286.1 312.3 0.39 31 564 4758 -8.7 -42.7 4 34.0 -14.2 236 55 311.5 311.5 286.1 312.1 0.16 32 559 4827 -9.1 -28.1 20 19.0 -13.6 236 58 311.8 312.0 286.8 314.2 0.68 33 552 4924 -9.5 -26.5 24 17.0 -13.7 235 60 312.5 312.6 287.2 315.2 0.79 34 549 4966 -9.7 -29.7 18 20.0 -14.2 235 61 312.7 312.9 287.0 314.8 0.59 35 548 4980 -9.7 -27.7 22 18.0 -14.0 235 61 312.9 313.0 287.2 315.4 0.72 36 547 4994 -9.9 -25.9 26 16.0 -13.9 235 61 312.8 313.0 287.3 315.7 0.85 37 534 5179 -11.3 -22.3 40 11.0 -14.3 235 64 313.3 313.5 287.9 317.3 1.20 38 530 5237 -11.7 -20.7 47 9.0 -14.3 235 65 313.5 313.8 288.1 318.1 1.39 39 519 5397 -12.5 -27.5 27 15.0 -16.0 235 67 314.4 314.6 287.8 317.1 0.77 40 511 5515 -13.1 -24.1 39 11.0 -15.9 235 69 315.1 315.3 288.3 318.7 1.07 41 505 5605 -13.9 -19.9 60 6.0 -15.6 235 70 315.2 315.5 288.9 320.4 1.56 42 500 5680 -14.7 -19.5 67 4.8 -16.1 235 71 315.1 315.4 288.9 320.6 1.63 43 492 5802 -15.5 -23.5 50 8.0 -17.5 235 71 315.6 315.8 288.6 319.6 1.17 44 485 5911 -15.9 -40.9 10 25.0 -19.7 235 70 316.4 316.4 287.8 317.2 0.22 45 430 6810 -21.3 -53.3 4 32.0 -24.4 235 64 320.6 320.6 289.0 320.8 0.06 46 400 7340 -25.5 -55.5 4 30.0 -27.9 235 67 321.8 321.9 289.4 322.1 0.05 47 389 7541 -26.9 -57.9 4 31.0 -29.1 235 67 322.6 322.6 289.6 322.7 0.04 48 383 7653 -27.9 -52.9 7 25.0 -29.9 235 67 322.7 322.7 289.7 323.0 0.07 49 378 7747 -28.9 -39.9 34 11.0 -30.2 234 68 322.6 322.7 289.9 323.8 0.31 50 375 7804 -29.5 -39.5 37 10.0 -30.7 234 69 322.5 322.6 289.9 323.8 0.33 51 356 8172 -32.3 -36.9 64 4.6 -32.9 231 72 323.6 323.7 290.3 325.3 0.45 52 352 8252 -31.7 -35.3 70 3.6 -32.2 230 73 325.5 325.6 291.0 327.4 0.54 53 330 8704 -35.3 -36.3 91 1.0 -35.4 226 77 326.6 326.7 291.3 328.5 0.52 54 300 9360 -40.3 -42.7 78 2.4 -40.5 230 93 328.6 328.6 291.6 329.7 0.30 55 250 10580 -49.7 -53.4 65 3.7 -49.8 225 114 332.2 332.2 292.4 332.6 0.11 56 227 11204 -54.8 -58.9 60 4.1 -54.9 225 124 333.7 333.7 292.7 333.9 0.06 57 200 12000 -61.5 -66.2 53 4.7 -61.6 225 121 335.4 335.4 293.2 335.5 0.03 58 186 12448 -64.9 -68.3 63 3.4 -64.9 225 111 336.9 336.9 293.6 337.0 0.02 59 150 13770 -63.5 -82.5 6 19.0 -63.6 235 86 360.7 360.7 298.8 360.7 0.00 60 100 16270 -63.9 -86.9 3 23.0 -64.1 225 48 404.3 404.3 305.7 404.3 0.00 61 97 16456 -62.9 -86.9 3 24.0 -63.1 225 48 409.8 409.8 306.5 409.8 0.00 62 94 16648 -64.3 -88.3 2 24.0 -64.5 228 47 410.7 410.7 306.6 410.7 0.00 63 92 16779 -63.5 -87.5 2 24.0 -63.7 230 46 414.8 414.8 307.1 414.8 0.00 64 80 17622 -68.9 -87.9 5 19.0 -69.0 239 45 420.6 420.6 307.8 420.6 0.00 65 72 18250 -69.1 -89.1 4 20.0 -69.2 235 56 433.1 433.1 309.1 433.1 0.00 66 71 18334 -65.9 -87.9 3 22.0 -66.1 237 57 441.6 441.6 310.0 441.6 0.00 67 70 18420 -62.9 -87.9 2 25.0 -63.2 240 57 449.8 449.8 310.8 449.8 0.00 68 69 18510 -56.3 -86.3 1 30.0 -56.9 235 61 465.9 465.9 312.3 465.9 0.00 69 64 18990 -54.5 -85.5 1 31.0 -55.4 236 43 479.9 479.9 313.4 480.0 0.00 70 50 20530 -66.3 -89.3 3 23.0 -66.5 285 13 487.2 487.2 314.0 487.3 0.00 71 49 20652 -66.7 -89.7 3 23.0 -67.0 294 11 489.1 489.1 314.1 489.1 0.00 72 48 20777 -64.9 -89.9 2 25.0 -65.2 297 12 496.3 496.3 314.7 496.3 0.00 73 46 21036 -66.5 -90.5 2 24.0 -66.8 279 20 498.5 498.5 314.8 498.5 0.00 74 44 21306 -65.7 -90.7 2 25.0 -66.0 257 21 506.9 506.9 315.4 506.9 0.00 75 42 21590 -63.1 -90.1 1 27.0 -63.6 251 27 520.1 520.1 316.3 520.1 0.00 76 40 21890 -63.7 -89.7 2 26.0 -64.1 263 28 525.9 525.9 316.6 525.9 0.00 77 40 21890 -62.3 -89.3 2 27.0 -62.9 263 28 529.4 529.4 316.9 529.4 0.00 78 34 22882 -66.9 -90.9 2 24.0 -67.2 312 29 542.5 542.5 317.6 542.5 0.00 79 33 23063 -65.7 -91.7 2 26.0 -66.1 288 26 550.3 550.3 318.1 550.3 0.00 80 33 23063 -63.5 -90.5 1 27.0 -64.1 288 26 556.2 556.2 318.4 556.2 0.00 81 31 23448 -61.9 -88.9 2 27.0 -62.6 280 25 570.5 570.5 319.2 570.5 0.00 82 30 23650 -64.3 -89.3 2 25.0 -64.8 310 20 569.3 569.3 319.1 569.4 0.00 83 28 24070 -65.7 -90.7 2 25.0 -66.2 305 19 576.8 576.8 319.5 576.8 0.00 84 27 24292 -63.3 -90.3 1 27.0 -64.0 291 19 589.6 589.6 320.1 589.6 0.00 85 25 24764 -64.3 -90.3 2 26.0 -65.0 302 15 599.8 599.8 320.6 599.8 0.00 86 24 25014 -64.1 -91.1 1 27.0 -64.8 294 15 607.4 607.5 320.9 607.5 0.00 87 24 25014 -63.3 -91.3 1 28.0 -64.1 294 15 609.8 609.8 321.0 609.8 0.00 88 24 25014 -60.3 -89.3 1 29.0 -61.4 294 15 618.5 618.5 321.4 618.5 0.01 89 23 25279 -59.7 -88.7 1 29.0 -60.9 285 15 627.8 627.8 321.8 627.9 0.01 90 20 26150 -60.9 -89.9 1 29.0 -62.1 310 18 649.8 649.8 322.7 649.8 0.01 91 19 26470 -59.7 -88.7 1 29.0 -61.1 328 16 663.1 663.1 323.2 663.1 0.01 92 18 26807 -60.5 -88.5 1 28.0 -61.9 325 21 670.9 670.9 323.4 671.0 0.01 93 18 26807 -58.9 -87.9 1 29.0 -60.5 325 21 675.9 676.0 323.6 676.0 0.01 94 16 27543 -61.1 -89.1 1 28.0 -62.5 314 23 691.9 691.9 324.1 692.0 0.01 95 14 28376 -59.1 -88.1 1 29.0 -61.0 295 25 725.6 725.6 325.2 725.7 0.01 96 13 28842 -57.5 -88.5 1 31.0 -59.9 303 20 746.7 746.7 325.8 746.8 0.01 97 13 28842 -55.9 -86.9 1 31.0 -58.7 303 20 752.3 752.3 326.0 752.4 0.02 98 12 29351 -56.7 -86.7 1 30.0 -59.5 312 14 766.9 766.9 326.4 767.0 0.02 99 11 29906 -54.1 -86.1 1 32.0 -57.8 304 16 795.6 795.6 327.1 795.8 0.02 TRP 186 12448 -64.9 -68.3 63 3.4 -64.9 225 111 336.9 336.9 293.6 337.0 0.02 WND 227 11204 -54.8 -58.9 60 4.1 -54.9 225 124 333.7 333.7 292.7 333.9 0.06 Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 728.00 mb = 2755.91 m = 9041.60 ft Wetbulb zero: 733.20 mb = 2696.56 m = 8846.87 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 64.95 % Est. max temperature: 19.70 C = 67.46 F Sfc-Lift cond lev (LCL): 914.49 mb = 889.83 m = 2919.36 ft T: 10.02 C 700-500 lapse rate: 4.90 C/km ThetaE index: 3.20 C Layer 954.0- 942.0 mb Conv cond level (CCL): 900.04 mb = 1021.99 m = 3352.94 ft Mean mixing ratio: 7.99 g/kg Conv temperature: 17.56 C = 63.61 F Cap Strength: 6.04 C Lifted Index: 5.67 C Risk: None Lifted Index @300 mb: 11.24 C Lifted Index @700 mb: 0.72 C Showalter Index: 5.61 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 21.10 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 223.69 Risk: None Energy Index: 1.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.97 J/kg Max Up Vert Vel: 3.99 m/s Conv Inhibition (B-): 1.41 J/kg Cap Strength: 5.95 C Lift Cond Lev (LCL): 903.73 mb = 988.02 m = 3241.51 ft Lev Free Conv (LFC): 888.73 mb = 1126.90 m = 3697.14 ft Equ Level (EL): 848.73 mb = 1506.22 m = 4941.62 ft B at Equ Level: 7.79 J/kg Max Parcel Lev (MPL): 798.73 mb = 2002.83 m = 6570.89 ft Wind level data Storm motion: 263 at 25 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 1000 146 220 6 3.9 4.6 | 94 21 -20.9 1.6 1 1000 137 220 7 4.5 5.4 | 97 20 -20.3 2.3 2 980 305 220 11 7.1 8.4 | 107 19 -17.7 5.4 3 946 610 205 12 5.1 10.9 | 112 21 -19.7 7.9 4 925 795 215 14 8.0 11.5 | 117 19 -16.7 8.5 5 912 914 215 14 8.0 11.5 | 117 19 -16.7 8.5 6 879 1219 205 16 6.8 14.5 | 123 21 -18.0 11.5 7 850 1494 230 20 15.3 12.9 | 136 14 -9.5 9.8 8 847 1524 230 20 15.3 12.9 | 136 14 -9.5 9.8 9 816 1829 240 18 15.6 9.0 | 123 11 -9.2 6.0 10 786 2134 235 16 13.1 9.2 | 118 13 -11.7 6.2 11 757 2438 225 17 12.0 12.0 | 125 16 -12.8 9.0 12 729 2743 220 17 10.9 13.0 | 126 17 -13.9 10.0 13 702 3048 220 18 11.6 13.8 | 129 17 -13.2 10.8 14 700 3068 225 22 15.6 15.6 | 144 16 -9.2 12.5 15 649 3658 240 28 24.2 14.0 | 177 11 -0.5 11.0 16 600 4267 240 38 32.9 19.0 | 207 18 8.1 16.0 17 555 4877 235 60 49.1 34.4 | 218 40 24.4 31.4 18 500 5680 235 71 58.2 40.7 | 222 50 33.4 37.7 19 493 5791 235 71 58.2 40.7 | 222 50 33.4 37.7 20 473 6096 235 69 56.5 39.6 | 221 48 31.7 36.6 21 436 6706 235 64 52.4 36.7 | 219 44 27.6 33.7 22 400 7340 235 67 54.9 38.4 | 220 46 30.1 35.4 23 384 7620 235 67 54.9 38.4 | 220 46 30.1 35.4 24 323 8839 225 78 55.2 55.2 | 210 60 30.4 52.1 25 309 9144 225 88 62.2 62.2 | 212 70 37.4 59.2 26 300 9360 230 93 71.2 59.8 | 219 73 46.5 56.8 27 250 10580 225 114 80.6 80.6 | 216 96 55.8 77.6 28 227 11204 225 124 87.7 87.7 | 217 105 62.9 84.7 29 224 11278 225 124 87.7 87.7 | 217 105 62.9 84.7 30 200 12000 225 121 85.6 85.6 | 216 103 60.8 82.5 31 186 12448 225 111 78.5 78.5 | 215 93 53.7 75.5 32 150 13770 235 86 70.4 49.3 | 225 65 45.7 46.3 33 130 14630 235 79 64.7 45.3 | 223 58 39.9 42.3 34 124 14935 230 92 70.5 59.1 | 219 72 45.7 56.1 35 118 15240 230 84 64.3 54.0 | 218 65 39.6 51.0 36 107 15850 235 52 42.6 29.8 | 214 32 17.8 26.8 37 100 16270 225 48 33.9 33.9 | 197 32 9.2 30.9 38 97 16459 225 48 33.9 33.9 | 197 32 9.2 30.9 39 83 17374 240 41 35.5 20.5 | 212 21 10.7 17.5 40 72 18288 235 57 46.7 32.7 | 216 37 21.9 29.7 41 70 18420 240 57 49.4 28.5 | 224 35 24.6 25.5 42 68 18593 230 64 49.0 41.1 | 212 45 24.2 38.1 43 65 18898 230 46 35.2 29.6 | 202 29 10.5 26.6 44 62 19202 250 35 32.9 12.0 | 222 12 8.1 9.0 45 56 19812 270 23 23.0 -0.0 | 31 4 -1.8 -3.0 46 51 20422 265 13 13.0 1.1 | 81 12 -11.8 -1.9 47 50 20530 285 13 12.6 -3.4 | 62 14 -12.2 -6.4 48 48 20726 300 10 8.7 -5.0 | 64 18 -16.1 -8.0 49 46 21031 280 20 19.7 -3.5 | 38 8 -5.1 -6.5 50 44 21336 255 21 20.3 5.4 | 118 5 -4.5 2.4 51 42 21641 250 28 26.3 9.6 | 193 7 1.5 6.6 52 34 22860 315 29 20.5 -20.5 | 10 24 -4.3 -23.5 53 32 23165 275 25 24.9 -2.2 | 359 5 0.1 -5.2 54 31 23470 280 25 24.6 -4.3 | 1 7 -0.2 -7.4 55 30 23650 310 20 15.3 -12.9 | 31 18 -9.5 -15.9 56 29 23774 320 17 10.9 -13.0 | 41 21 -13.9 -16.0 57 28 24079 305 19 15.6 -10.9 | 34 17 -9.2 -13.9 58 27 24384 285 19 18.4 -4.9 | 39 10 -6.4 -7.9 59 25 24689 305 15 12.3 -8.6 | 47 17 -12.5 -11.6 60 23 25298 285 15 14.5 -3.9 | 56 12 -10.3 -6.9 61 22 25603 345 13 3.4 -12.6 | 54 26 -21.4 -15.6 62 21 25908 340 21 7.2 -19.7 | 38 29 -17.6 -22.7 63 20 26150 310 18 13.8 -11.6 | 37 18 -11.0 -14.6 64 20 26213 330 13 6.5 -11.3 | 52 23 -18.3 -14.3 65 18 26518 325 21 12.0 -17.2 | 32 24 -12.7 -20.2 66 17 26822 325 24 13.8 -19.7 | 26 25 -11.0 -22.7 67 15 27127 295 22 19.9 -9.3 | 21 13 -4.8 -12.3 68 14 27432 295 25 22.7 -10.6 | 9 14 -2.1 -13.6 69 12 28042 315 12 8.5 -8.5 | 55 20 -16.3 -11.5 70 11 28346 300 17 14.7 -8.5 | 41 15 -10.1 -11.5 71 10 28651 320 16 10.3 -12.3 | 44 21 -14.5 -15.3 72 8 29261 315 24 17.0 -17.0 | 21 21 -7.8 -20.0 73 7 29870 285 22 21.3 -5.7 | 22 9 -3.5 -8.7 74 6 30175 310 22 16.9 -14.1 | 25 19 -7.9 -17.2 Wind Parameters Mean winds (0-6000m): 233.1 at 33.3 knts Storm direction: 263.1 at 25.0 knts Shear (0-3000m) pos: 2.2 neg: 1.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 50.0 deg Storm rel helicity (0-3000m) pos: 97.0 neg: -11.5 tot: 85.4 m^2/s^2 ave: 28.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 72.26 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 ------------------------------------------------------------------------------- 500 214 11 108 20| 0.0 5.8 5.8| 27.6 0.0 27.6 55.3 0.80| 6.9 5.5 1000 213 12 112 20| 1.6 2.9 4.5| 43.2 0.0 43.2 43.2 0.72| 6.0 4.3 1500 216 14 118 18| 3.4 1.9 5.3| 64.4 -2.8 61.6 41.0 0.54| 7.5 4.1 2000 223 15 119 17| 2.0 1.4 3.4| 64.4 -11.5 52.8 26.4 0.34| 6.9 2.3 2500 224 16 120 16| 1.6 1.8 3.4| 71.6 -11.5 60.1 24.0 0.36| 6.3 2.3 3000 223 16 122 16| 2.2 1.5 3.7| 97.0 -11.5 85.4 28.5 0.45| 6.4 2.9 4000 229 19 133 14| 3.5 1.2 4.7|140.4 -11.5 128.9 32.2 0.56| 6.8 3.8 5000 232 26 161 14| 2.8 3.5 6.3|188.8 -11.5 177.3 35.5 0.45| 8.4 3.8 6000 233 33 186 17| 2.4 3.3 5.7|211.5 -19.0 192.5 32.1 0.42| 7.8 3.2 Wrote GIF file: /home/apache/climate/data/raob//KNKX/skewt/KNKX.skewt.20251227.00.gif