UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 7 DEC 25 Station: PAKN WMO ident: 70326 Latitude: 58.68 Longitude: -156.65 Elevation: 15.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -36 20 6 SFC 994 15 -19.9 -25.9 59 6.0 -20.6 20 6 253.7 253.8 252.9 255.0 0.47 2 965 231 -21.5 -26.4 65 4.9 -22.1 13 25 254.2 254.3 253.4 255.5 0.46 3 959 276 -21.7 -26.7 64 5.0 -22.2 11 29 254.5 254.5 253.5 255.7 0.45 4 944 391 -19.9 -26.9 54 7.0 -20.7 14 30 257.5 257.5 256.1 258.7 0.45 5 936 453 -20.3 -27.3 54 7.0 -21.1 16 28 257.7 257.7 256.2 258.9 0.43 6 925 540 -18.3 -27.3 45 9.0 -19.4 20 27 260.6 260.7 258.6 261.8 0.44 7 923 556 -18.1 -28.1 41 10.0 -19.3 22 26 261.0 261.0 258.8 262.1 0.41 8 919 589 -17.9 -27.9 41 10.0 -19.1 27 24 261.5 261.6 259.2 262.7 0.42 9 915 621 -15.5 -27.5 35 12.0 -17.1 30 23 264.3 264.3 261.4 265.5 0.44 10 913 638 -15.7 -26.7 38 11.0 -17.3 30 23 264.2 264.3 261.5 265.6 0.47 11 910 663 -15.1 -27.1 35 12.0 -16.8 29 23 265.1 265.2 262.0 266.4 0.46 12 895 788 -15.5 -25.5 42 10.0 -17.0 27 22 266.0 266.0 262.9 267.5 0.54 13 893 805 -13.3 -24.3 39 11.0 -15.2 27 22 268.4 268.5 264.7 270.1 0.60 14 889 839 -11.7 -24.7 33 13.0 -14.0 26 21 270.4 270.5 266.1 272.1 0.58 15 879 926 -10.1 -23.1 34 13.0 -12.6 26 21 272.9 273.0 268.0 274.9 0.68 16 874 970 -10.3 -21.3 40 11.0 -12.5 28 22 273.2 273.3 268.3 275.5 0.80 17 865 1050 -9.9 -26.9 24 17.0 -12.9 33 24 274.4 274.5 268.5 275.9 0.49 18 859 1104 -9.5 -22.5 34 13.0 -12.1 36 25 275.4 275.5 269.6 277.5 0.73 19 850 1185 -10.1 -19.1 48 9.0 -12.1 40 26 275.6 275.7 270.2 278.5 0.99 20 845 1230 -10.1 -17.1 57 7.0 -11.8 41 26 276.0 276.2 270.8 279.4 1.18 21 833 1341 -10.3 -16.3 61 6.0 -11.8 50 29 277.0 277.2 271.5 280.7 1.28 22 831 1359 -9.3 -15.3 62 6.0 -10.8 51 30 278.2 278.4 272.5 282.2 1.40 23 824 1425 -9.9 -15.9 61 6.0 -11.4 57 31 278.2 278.5 272.4 282.1 1.34 24 820 1462 -9.1 -14.1 67 5.0 -10.5 60 32 279.5 279.7 273.5 284.0 1.56 25 818 1481 -9.1 -14.1 67 5.0 -10.5 61 33 279.7 279.9 273.6 284.2 1.57 26 807 1586 -9.7 -14.7 67 5.0 -11.1 60 33 280.1 280.4 273.8 284.5 1.51 27 801 1643 -9.9 -15.9 61 6.0 -11.5 55 32 280.5 280.7 273.8 284.5 1.38 28 795 1701 -9.5 -18.5 48 9.0 -11.6 51 31 281.5 281.7 273.9 284.8 1.12 29 769 1957 -10.9 -22.9 37 12.0 -13.4 42 28 282.7 282.8 274.0 285.1 0.79 30 745 2200 -12.3 -26.3 30 14.0 -14.9 47 27 283.8 283.9 274.3 285.6 0.60 31 730 2355 -13.7 -25.7 36 12.0 -15.9 52 27 283.9 284.0 274.5 285.9 0.65 32 727 2387 -13.7 -22.7 47 9.0 -15.5 53 27 284.2 284.4 275.0 286.8 0.85 33 722 2439 -14.3 -22.3 51 8.0 -15.9 55 27 284.1 284.3 275.0 286.8 0.88 34 701 2662 -15.7 -26.7 38 11.0 -17.6 60 28 285.0 285.1 275.0 286.9 0.61 35 700 2673 -15.7 -26.7 38 11.0 -17.6 60 28 285.1 285.2 275.1 287.0 0.61 36 688 2803 -16.5 -27.5 38 11.0 -18.4 59 30 285.6 285.7 275.3 287.4 0.58 37 635 3400 -21.3 -29.3 49 8.0 -22.5 53 40 286.8 286.9 275.9 288.5 0.53 38 630 3458 -21.5 -34.5 30 13.0 -23.1 52 41 287.2 287.3 275.7 288.3 0.33 39 625 3517 -21.9 -36.9 24 15.0 -23.6 52 42 287.4 287.4 275.7 288.2 0.26 40 600 3816 -24.3 -36.3 32 12.0 -25.6 50 47 288.0 288.0 276.1 288.9 0.29 41 595 3877 -24.5 -38.5 26 14.0 -25.9 50 48 288.5 288.5 276.3 289.2 0.23 42 591 3926 -24.9 -34.9 39 10.0 -26.1 50 49 288.5 288.6 276.5 289.6 0.33 43 576 4113 -26.5 -35.5 42 9.0 -27.5 50 52 288.8 288.9 276.6 289.9 0.32 44 540 4575 -30.3 -44.3 24 14.0 -31.3 48 56 289.6 289.7 276.7 290.1 0.14 45 536 4628 -30.7 -42.7 30 12.0 -31.6 47 56 289.8 289.8 276.8 290.3 0.17 46 528 4735 -31.3 -45.3 24 14.0 -32.2 46 56 290.3 290.3 277.0 290.7 0.13 47 523 4802 -30.9 -49.9 14 19.0 -32.0 46 57 291.6 291.6 277.6 291.9 0.08 48 500 5120 -32.9 -51.9 13 19.0 -33.9 45 54 292.9 292.9 278.2 293.2 0.06 49 473 5508 -35.5 -56.5 10 21.0 -36.4 42 47 294.4 294.4 278.9 294.5 0.04 50 470 5552 -35.5 -57.5 9 22.0 -36.4 42 46 294.9 294.9 279.1 295.1 0.03 51 467 5597 -34.1 -59.1 6 25.0 -35.1 41 45 297.2 297.2 280.1 297.3 0.03 52 462 5672 -33.9 -59.9 5 26.0 -35.0 41 43 298.4 298.4 280.7 298.5 0.03 53 451 5841 -34.1 -58.1 7 24.0 -35.1 41 42 300.2 300.2 281.5 300.3 0.03 54 409 6517 -39.1 -64.1 5 25.0 -39.8 40 61 302.2 302.2 282.3 302.3 0.02 55 400 6670 -37.9 -66.9 3 29.0 -38.8 40 71 305.7 305.7 283.7 305.8 0.01 56 369 7226 -38.2 -67.7 3 29.6 -39.1 40 93 312.5 312.5 286.2 312.5 0.01 57 300 8650 -38.9 -69.9 2 31.0 -39.9 30 83 330.5 330.5 291.9 330.6 0.01 58 250 9900 -40.9 -75.9 1 35.0 -41.9 40 60 345.3 345.3 295.6 345.3 0.01 59 200 11390 -44.9 -78.9 1 34.0 -45.7 15 45 361.7 361.7 299.0 361.7 0.00 60 150 13310 -46.9 -80.9 1 34.0 -47.8 330 47 389.2 389.2 303.7 389.3 0.00 61 100 16020 -46.9 -81.9 1 35.0 -48.2 345 23 437.1 437.1 309.6 437.1 0.00 62 92 16574 -45.7 -81.7 1 36.0 -47.3 10 22 450.0 450.0 310.8 450.1 0.01 63 80 17493 -51.5 -84.5 1 33.0 -52.5 288 12 456.4 456.4 311.4 456.5 0.00 64 74 18004 -47.1 -83.1 1 36.0 -48.7 310 28 476.0 476.0 313.1 476.0 0.01 65 70 18370 -49.1 -84.1 1 35.0 -50.5 285 26 479.3 479.3 313.4 479.4 0.00 66 63 19055 -52.3 -85.3 1 33.0 -53.4 328 35 487.0 487.0 314.0 487.0 0.00 67 58 19594 -47.5 -83.5 1 36.0 -49.4 353 30 509.4 509.4 315.6 509.5 0.01 68 51 20440 -48.9 -83.9 1 35.0 -50.8 311 15 525.3 525.3 316.6 525.3 0.01 69 50 20570 -46.9 -83.9 1 37.0 -49.2 320 19 532.9 532.9 317.1 533.0 0.01 70 49 20704 -46.9 -83.9 1 37.0 -49.3 320 18 536.0 536.0 317.3 536.1 0.01 71 38 22399 -43.5 -81.5 1 38.0 -47.3 315 21 585.1 585.1 319.9 585.2 0.01 72 38 22399 -43.5 -81.5 1 38.0 -47.3 315 21 585.1 585.1 319.9 585.2 0.01 73 32 23544 -47.3 -83.3 1 36.0 -50.4 310 32 604.4 604.4 320.8 604.5 0.01 74 30 23970 -48.3 -84.3 1 36.0 -51.3 325 27 613.0 613.0 321.2 613.0 0.01 75 27 24663 -48.5 -84.5 1 36.0 -51.7 323 27 631.2 631.2 321.9 631.2 0.01 76 25 25171 -47.1 -84.1 1 37.0 -50.9 320 28 649.2 649.2 322.7 649.3 0.01 77 23 25721 -48.7 -84.7 1 36.0 -52.2 348 30 660.2 660.2 323.1 660.3 0.01 78 21 26319 -48.3 -84.3 1 36.0 -52.2 347 16 678.8 678.8 323.7 678.9 0.02 79 20 26640 -48.5 -84.5 1 36.0 -52.4 315 23 687.7 687.7 324.0 687.8 0.02 80 19 26978 -47.3 -84.3 1 37.0 -51.8 313 24 701.6 701.6 324.5 701.7 0.02 81 18 27334 -49.7 -84.7 1 35.0 -53.5 310 25 705.0 705.0 324.6 705.1 0.02 82 17 27708 -49.5 -84.5 1 35.0 -53.6 307 26 717.2 717.2 325.0 717.4 0.02 83 16 28106 -49.5 -84.5 1 35.0 -53.7 305 27 729.8 729.8 325.4 729.9 0.02 84 14 28973 -53.1 -86.1 1 33.0 -56.5 310 30 746.0 746.0 325.8 746.1 0.02 85 13 29454 -50.3 -85.3 1 35.0 -54.9 313 33 771.7 771.7 326.5 771.8 0.02 86 11 30538 -52.9 -85.9 1 33.0 -57.1 331 31 800.0 800.0 327.3 800.2 0.02 TRP 409 6517 -39.1 -64.1 5 25.0 -39.8 40 61 302.2 302.2 282.3 302.3 0.02 WND 369 7226 -38.2 -67.7 3 29.6 -39.1 40 93 312.5 312.5 286.2 312.5 0.01 Sounding variables and indices 1000-500 mb thick: 5156.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 39.63 % Est. max temperature: 2.48 C = 36.47 F Sfc-Lift cond lev (LCL): 900.20 mb = 744.51 m = 2442.59 ft T: -15.36 C 700-500 lapse rate: 7.03 C/km ThetaE index: 0.12 C Layer 824.0- 820.0 mb Conv cond level (CCL): 493.36 mb = 5213.51 m = 17104.47 ft Mean mixing ratio: 0.46 g/kg Conv temperature: 19.63 C = 67.33 F Cap Strength: 26.56 C Lifted Index: 27.31 C Risk: None Lifted Index @300 mb: 50.20 C Lifted Index @700 mb: 23.42 C Showalter Index: 12.26 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 13.80 C K Index: -7.30 Risk: None Sweat Index: 106.00 Risk: None Energy Index: 3.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.50 J/kg Max Up Vert Vel: 10.72 m/s Conv Inhibition (B-): 73042.06 J/kg Cap Strength: 27.28 C Lift Cond Lev (LCL): 830.91 mb = 1360.04 m = 4462.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 76 at 28 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 ---------------------------------------------------------- 0 994 15 20 6 -2.1 -5.6 | 267 25 25.4 1.4 1 955 305 10 31 -5.4 -30.5 | 317 32 22.0 -23.5 2 925 540 20 27 -9.2 -25.4 | 315 26 18.2 -18.3 3 917 610 30 23 -11.5 -19.9 | 309 20 15.9 -12.9 4 881 914 25 21 -8.9 -19.0 | 303 22 18.5 -12.0 5 850 1185 40 26 -16.7 -19.9 | 320 17 10.7 -12.9 6 846 1219 40 26 -16.7 -19.9 | 320 17 10.7 -12.9 7 813 1524 65 34 -30.8 -14.4 | 25 8 -3.4 -7.3 8 782 1829 40 28 -18.0 -21.4 | 327 17 9.4 -14.4 9 751 2134 45 27 -19.1 -19.1 | 325 15 8.3 -12.1 10 722 2438 55 27 -22.1 -15.5 | 328 10 5.3 -8.4 11 700 2673 60 28 -24.2 -14.0 | 336 8 3.2 -7.0 12 693 2743 60 29 -25.1 -14.5 | 343 8 2.3 -7.5 13 611 3658 50 45 -34.5 -28.9 | 18 23 -7.1 -21.9 14 562 4267 50 55 -42.1 -35.4 | 27 32 -14.7 -28.3 15 517 4877 45 57 -40.3 -40.3 | 21 36 -12.9 -33.3 16 500 5120 45 54 -38.2 -38.2 | 19 33 -10.8 -31.1 17 454 5791 40 41 -26.4 -31.4 | 358 24 1.1 -24.4 18 435 6096 45 45 -31.8 -31.8 | 10 25 -4.4 -24.8 19 409 6517 40 61 -39.2 -46.7 | 17 41 -11.8 -39.7 20 400 6670 40 71 -45.6 -54.4 | 21 51 -18.2 -47.3 21 369 7226 40 93 -59.8 -71.2 | 27 72 -32.4 -64.2 22 364 7315 40 93 -59.8 -71.2 | 27 72 -32.4 -64.2 23 348 7620 40 89 -57.2 -68.2 | 26 68 -29.8 -61.1 24 300 8650 30 83 -41.5 -71.9 | 12 66 -14.1 -64.8 25 279 9144 25 83 -35.1 -75.2 | 6 69 -7.7 -68.2 26 267 9449 25 85 -35.9 -77.0 | 7 71 -8.5 -70.0 27 250 9900 40 60 -38.6 -46.0 | 16 40 -11.2 -38.9 28 244 10058 40 60 -38.6 -46.0 | 16 40 -11.2 -38.9 29 200 11390 15 45 -11.6 -43.5 | 337 40 15.8 -36.4 30 177 12192 5 38 -3.3 -37.9 | 322 39 24.1 -30.8 31 169 12497 5 61 -5.3 -60.8 | 338 58 22.1 -53.7 32 155 13106 350 36 6.3 -35.5 | 310 44 33.7 -28.4 33 150 13310 330 47 23.5 -40.7 | 303 61 50.9 -33.7 34 141 13716 335 49 20.7 -44.4 | 308 61 48.1 -37.4 35 118 14935 350 30 5.2 -29.5 | 305 40 32.6 -22.5 36 112 15240 320 25 16.1 -19.2 | 286 45 43.5 -12.1 37 107 15545 315 35 24.7 -24.7 | 289 55 52.2 -17.7 38 103 15850 325 38 21.8 -31.1 | 296 55 49.2 -24.1 39 100 16020 345 23 6.0 -22.2 | 294 37 33.4 -15.2 40 98 16154 345 23 6.0 -22.2 | 294 37 33.4 -15.2 41 94 16459 5 29 -2.5 -28.9 | 311 33 24.9 -21.8 42 89 16764 20 10 -3.4 -9.4 | 276 24 24.0 -2.4 43 85 17069 0 0 -0.0 -0.0 | 256 28 27.4 7.0 44 81 17374 290 10 9.4 -3.4 | 264 37 36.8 3.6 45 78 17678 285 16 15.5 -4.1 | 266 43 42.9 2.9 46 74 17983 310 28 21.4 -18.0 | 283 50 48.9 -11.0 47 71 18288 305 25 20.5 -14.3 | 279 48 47.9 -7.3 48 70 18370 285 26 25.1 -6.7 | 270 53 52.5 0.3 49 68 18593 305 26 21.3 -14.9 | 279 49 48.7 -7.9 50 62 19202 335 38 16.1 -34.4 | 302 51 43.5 -27.4 51 59 19507 350 32 5.6 -31.5 | 307 41 33.0 -24.5 52 56 19812 360 25 -0.0 -25.0 | 303 33 27.4 -18.0 53 54 20117 340 22 7.5 -20.7 | 291 37 34.9 -13.6 54 51 20422 310 14 10.7 -9.0 | 273 38 38.1 -2.0 55 50 20570 320 19 12.2 -14.6 | 281 40 39.6 -7.5 56 45 21336 320 13 8.4 -10.0 | 275 36 35.8 -2.9 57 43 21641 315 18 12.7 -12.7 | 278 41 40.1 -5.7 58 41 21946 285 22 21.3 -5.7 | 268 49 48.7 1.3 59 39 22250 320 21 13.5 -16.1 | 282 42 40.9 -9.0 60 37 22555 310 20 15.3 -12.9 | 278 43 42.7 -5.8 61 35 22860 335 20 8.5 -18.1 | 287 38 35.9 -11.1 62 34 23165 335 26 11.0 -23.6 | 293 42 38.4 -16.5 63 31 23774 295 35 31.7 -14.8 | 277 60 59.1 -7.8 64 30 23970 325 27 15.5 -22.1 | 289 45 42.9 -15.1 65 30 24079 330 28 14.0 -24.2 | 293 45 41.4 -17.2 66 28 24384 325 27 15.5 -22.1 | 289 45 42.9 -15.1 67 26 24994 320 28 18.0 -21.4 | 288 48 45.4 -14.4 68 25 25298 320 28 18.0 -21.4 | 288 48 45.4 -14.4 69 23 25603 340 32 10.9 -30.1 | 301 45 38.4 -23.0 70 22 25908 360 28 -0.0 -28.0 | 307 35 27.4 -21.0 71 21 26213 345 19 4.9 -18.4 | 289 34 32.3 -11.3 72 20 26518 350 11 1.9 -10.8 | 277 30 29.3 -3.8 73 20 26640 315 23 16.3 -16.3 | 282 45 43.7 -9.2 74 16 27127 305 27 22.1 -15.5 | 280 50 49.5 -8.4 75 14 27432 310 30 23.0 -19.3 | 284 52 50.4 -12.2 76 12 27737 315 35 24.7 -24.7 | 289 55 52.2 -17.7 77 9 28346 355 26 2.3 -25.9 | 302 35 29.7 -18.9 78 7 28956 360 27 -0.0 -27.0 | 306 34 27.4 -20.0 79 6 29261 320 23 14.8 -17.6 | 284 43 42.2 -10.6 80 4 30175 5 22 -1.9 -21.9 | 300 30 25.5 -14.9 Wind Parameters Mean winds (0-6000m): 45.6 at 37.7 knts Storm direction: 75.6 at 28.3 knts Shear (0-3000m) pos: 5.8 neg: 4.5 tot: 10.3 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 238.4 neg: -69.8 tot: 168.6 m^2/s^2 ave: 56.2 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 15.8 stream: 5.2 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.89 Bulk Shear: 64.88 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 13 23 305 27| 0.0 22.0 22.0|156.8 -4.6 152.1 304.3 0.73| 31.5 22.9 1000 20 23 306 24| 3.5 11.0 14.5|168.6 -33.8 134.8 134.8 0.46| 22.0 10.0 1500 30 24 313 21| 8.3 7.3 15.7|223.2 -33.8 189.3 126.2 0.56| 21.5 12.1 2000 36 26 318 19| 6.2 6.7 13.0|223.2 -69.2 154.0 77.0 0.31| 20.1 6.2 2500 38 26 320 17| 6.2 5.4 11.6|225.9 -69.8 156.1 62.4 0.29| 17.4 5.1 3000 42 27 323 16| 5.8 4.5 10.3|238.4 -69.8 168.6 56.2 0.33| 15.8 5.2 4000 46 31 339 15| 4.3 5.2 9.5|271.7 -69.8 201.9 50.5 0.33| 14.2 4.7 5000 46 36 355 18| 3.5 4.8 8.3|282.7-106.9 175.8 35.2 0.28| 12.4 3.5 6000 46 38 359 19| 2.9 3.6 6.5|305.9-188.6 117.3 19.6 0.19| 11.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251207.12.gif