UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 17 DEC 25 Station: PANC WMO ident: 70273 Latitude: 61.17 Longitude: -150.02 Elevation: 40.00 ------------------------------------------------------------------------------- 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 12 275 13 SFC 995 40 -9.9 -17.9 52 8.0 -11.5 275 13 263.6 263.8 261.9 266.2 0.94 2 993 56 -8.9 -18.9 44 10.0 -10.9 279 14 264.8 264.9 262.6 267.2 0.86 3 957 347 -9.5 -24.5 28 15.0 -12.1 353 33 267.0 267.1 263.6 268.6 0.55 4 925 614 -11.7 -26.7 28 15.0 -14.1 20 31 267.3 267.4 263.7 268.7 0.46 5 895 865 -13.9 -26.9 32 13.0 -15.9 33 33 267.6 267.7 263.9 269.0 0.47 6 883 968 -12.5 -27.5 27 15.0 -14.9 33 34 270.1 270.2 265.6 271.4 0.45 7 864 1134 -13.1 -29.1 25 16.0 -15.5 28 39 271.2 271.2 266.3 272.3 0.40 8 861 1160 -12.5 -28.5 25 16.0 -15.0 27 39 272.0 272.1 266.9 273.3 0.42 9 850 1258 -12.9 -28.9 25 16.0 -15.3 25 39 272.6 272.7 267.3 273.9 0.41 10 822 1513 -14.1 -28.1 30 14.0 -16.3 11 32 274.0 274.1 268.2 275.4 0.46 11 818 1550 -13.9 -27.9 30 14.0 -16.1 11 32 274.6 274.7 268.7 276.0 0.47 12 790 1813 -16.3 -28.3 35 12.0 -18.1 24 36 274.8 274.8 268.8 276.2 0.47 13 779 1918 -15.3 -27.3 35 12.0 -17.2 25 32 276.9 277.0 270.2 278.5 0.52 14 769 2016 -12.9 -25.9 33 13.0 -15.3 25 27 280.6 280.7 272.5 282.4 0.60 15 755 2156 -14.3 -26.3 35 12.0 -16.4 27 20 280.5 280.6 272.5 282.3 0.59 16 736 2349 -14.9 -27.9 32 13.0 -17.1 46 12 281.9 282.0 273.2 283.5 0.52 17 734 2370 -14.9 -28.9 29 14.0 -17.1 48 11 282.1 282.2 273.2 283.6 0.48 18 701 2715 -17.9 -30.9 31 13.0 -19.8 41 12 282.5 282.6 273.3 283.8 0.41 19 700 2726 -18.1 -31.1 31 13.0 -20.0 40 12 282.4 282.5 273.3 283.7 0.41 20 695 2779 -18.5 -29.5 37 11.0 -20.1 38 12 282.6 282.7 273.5 284.1 0.48 21 692 2812 -18.7 -27.7 45 9.0 -20.1 41 12 282.7 282.8 273.7 284.5 0.57 22 682 2920 -19.7 -24.7 64 5.0 -20.5 52 11 282.8 282.9 274.0 285.1 0.76 23 660 3162 -21.9 -25.4 73 3.5 -22.5 53 12 283.0 283.1 274.1 285.2 0.73 24 649 3285 -22.9 -28.9 58 6.0 -23.7 39 15 283.2 283.3 273.9 284.9 0.54 25 631 3490 -24.7 -29.7 63 5.0 -25.4 30 20 283.4 283.5 274.0 285.0 0.52 26 628 3525 -24.7 -32.7 47 8.0 -25.6 30 21 283.8 283.9 274.0 285.0 0.39 27 626 3548 -25.1 -33.1 47 8.0 -26.0 30 22 283.6 283.7 273.9 284.8 0.38 28 623 3583 -24.3 -40.3 21 16.0 -25.8 30 23 284.9 284.9 274.3 285.5 0.18 29 622 3595 -24.3 -40.3 21 16.0 -25.8 30 23 285.0 285.1 274.3 285.6 0.18 30 604 3808 -25.3 -45.3 14 20.0 -26.8 31 24 286.3 286.3 274.9 286.7 0.11 31 589 3991 -25.1 -51.1 7 26.0 -26.8 33 23 288.6 288.6 276.0 288.8 0.06 32 538 4642 -29.7 -50.7 11 21.0 -30.9 14 18 290.7 290.7 277.1 290.9 0.07 33 522 4857 -31.3 -56.3 7 25.0 -32.4 10 20 291.3 291.3 277.3 291.4 0.04 34 505 5090 -32.9 -52.9 12 20.0 -33.9 17 22 292.1 292.1 277.8 292.3 0.06 35 500 5160 -33.3 -54.3 10 21.0 -34.3 20 23 292.4 292.4 277.9 292.6 0.05 36 487 5344 -34.7 -55.7 10 21.0 -35.6 7 24 292.9 292.9 278.2 293.1 0.04 37 483 5402 -34.3 -55.3 10 21.0 -35.2 2 24 294.1 294.1 278.7 294.3 0.04 38 438 6076 -39.9 -57.9 13 18.0 -40.5 9 24 295.4 295.4 279.3 295.5 0.04 39 405 6607 -43.3 -60.3 14 17.0 -43.7 16 25 297.7 297.7 280.3 297.8 0.03 40 400 6690 -43.9 -57.9 20 14.0 -44.3 15 25 297.9 297.9 280.5 298.1 0.04 41 394 6792 -44.7 -57.7 22 13.0 -45.0 14 25 298.2 298.2 280.6 298.3 0.04 42 370 7211 -47.7 -59.7 24 12.0 -48.0 12 25 299.6 299.6 281.2 299.7 0.03 43 367 7265 -48.1 -59.1 27 11.0 -48.3 12 25 299.8 299.8 281.3 299.9 0.04 44 343 7709 -51.9 -57.9 48 6.0 -52.0 10 26 300.5 300.5 281.6 300.6 0.04 45 332 7920 -53.1 -60.1 42 7.0 -53.2 10 28 301.6 301.6 282.1 301.8 0.04 46 330 7960 -53.3 -61.3 37 8.0 -53.4 10 28 301.9 301.9 282.2 302.0 0.03 47 326 8039 -52.3 -66.3 17 14.0 -52.5 9 29 304.3 304.3 283.1 304.4 0.02 48 317 8221 -51.7 -72.7 6 21.0 -52.0 6 30 307.6 307.6 284.4 307.6 0.01 49 304 8494 -50.9 -72.9 6 22.0 -51.2 1 31 312.4 312.4 286.2 312.4 0.01 50 300 8580 -51.5 -72.5 6 21.0 -51.8 360 32 312.8 312.8 286.3 312.8 0.01 51 265 9375 -53.5 -74.5 6 21.0 -53.7 360 33 321.1 321.1 289.1 321.2 0.01 52 250 9750 -50.3 -78.3 2 28.0 -50.7 360 40 331.3 331.3 292.0 331.3 0.00 53 231 10270 -46.1 -78.1 1 32.0 -46.7 352 40 345.2 345.2 295.6 345.3 0.00 54 224 10473 -47.7 -78.7 2 31.0 -48.3 350 39 345.8 345.8 295.7 345.9 0.00 55 200 11220 -48.1 -80.1 1 32.0 -48.7 350 29 356.6 356.6 298.0 356.6 0.00 56 187 11663 -49.3 -80.3 1 31.0 -49.8 355 35 361.6 361.6 299.0 361.6 0.00 57 168 12373 -45.5 -79.5 1 34.0 -46.4 338 39 379.2 379.2 302.1 379.2 0.00 58 160 12699 -46.3 -80.3 1 34.0 -47.2 337 41 383.1 383.1 302.8 383.2 0.00 59 150 13130 -45.1 -80.1 1 35.0 -46.2 330 35 392.3 392.3 304.1 392.4 0.00 60 100 15850 -43.5 -80.5 1 37.0 -45.3 320 34 443.7 443.7 310.3 443.7 0.01 61 90 16564 -40.1 -79.1 1 39.0 -42.7 327 42 464.0 464.0 312.1 464.1 0.01 62 82 17198 -41.5 -79.5 1 38.0 -44.0 309 33 473.7 473.7 313.0 473.7 0.01 63 74 17887 -46.7 -82.7 1 36.0 -48.4 300 29 476.8 476.8 313.2 476.9 0.01 64 73 17978 -44.1 -81.1 1 37.0 -46.3 300 29 484.2 484.2 313.8 484.2 0.01 65 72 18071 -43.7 -81.7 1 38.0 -46.0 311 28 487.0 487.0 314.0 487.0 0.01 66 70 18260 -43.7 -80.7 1 37.0 -46.0 335 26 490.9 490.9 314.3 490.9 0.01 67 68 18454 -43.9 -80.9 1 37.0 -46.3 328 31 494.6 494.6 314.5 494.6 0.01 68 61 19176 -48.1 -83.1 1 35.0 -49.8 302 21 500.8 500.8 315.0 500.8 0.01 69 59 19396 -47.7 -83.7 1 36.0 -49.6 308 25 506.5 506.5 315.4 506.5 0.01 70 57 19625 -45.1 -82.1 1 37.0 -47.5 317 29 517.4 517.4 316.1 517.5 0.01 71 50 20490 -49.9 -83.9 1 34.0 -51.6 330 20 525.9 525.9 316.6 525.9 0.01 72 49 20622 -50.3 -84.3 1 34.0 -52.0 328 20 528.0 528.0 316.8 528.0 0.01 73 48 20757 -48.9 -83.9 1 35.0 -50.8 325 20 534.4 534.4 317.2 534.5 0.01 74 47 20895 -49.7 -84.7 1 35.0 -51.5 322 21 535.7 535.7 317.3 535.8 0.01 75 42 21634 -47.3 -83.3 1 36.0 -49.8 350 14 559.2 559.2 318.6 559.3 0.01 76 38 22294 -48.5 -83.5 1 35.0 -51.0 322 23 572.4 572.4 319.3 572.4 0.01 77 30 23860 -45.3 -83.3 1 38.0 -49.1 315 24 621.1 621.1 321.5 621.2 0.01 78 28 24322 -44.5 -82.5 1 38.0 -48.8 322 21 635.7 635.8 322.2 635.9 0.02 79 27 24564 -47.5 -83.5 1 36.0 -51.0 345 15 634.0 634.0 322.0 634.1 0.01 80 25 25072 -47.7 -83.7 1 36.0 -51.3 356 12 647.5 647.5 322.6 647.6 0.01 81 24 25341 -49.9 -84.9 1 35.0 -53.0 343 20 648.7 648.7 322.6 648.8 0.01 82 24 25341 -49.9 -84.9 1 35.0 -53.0 343 20 648.7 648.7 322.6 648.8 0.01 83 23 25621 -47.3 -84.3 1 37.0 -51.2 331 27 664.3 664.3 323.2 664.4 0.01 84 21 26219 -49.9 -84.9 1 35.0 -53.3 311 5 674.0 674.0 323.6 674.1 0.01 85 20 26540 -47.9 -83.9 1 36.0 -52.0 350 14 689.6 689.6 324.1 689.7 0.02 86 18 27232 -49.9 -84.9 1 35.0 -53.7 360 13 704.3 704.3 324.6 704.5 0.02 87 17 27607 -48.1 -84.1 1 36.0 -52.7 342 14 721.7 721.7 325.1 721.9 0.02 88 15 28426 -51.5 -85.5 1 34.0 -55.2 312 20 736.7 736.7 325.6 736.9 0.02 89 15 28426 -50.5 -85.5 1 35.0 -54.6 312 20 740.0 740.1 325.7 740.2 0.02 90 14 28879 -47.9 -84.9 1 37.0 -53.1 306 24 763.6 763.6 326.3 763.8 0.02 91 13 29367 -48.7 -84.7 1 36.0 -53.8 313 32 777.2 777.2 326.7 777.4 0.02 92 13 29367 -47.5 -84.5 1 37.0 -53.1 313 32 781.4 781.4 326.8 781.6 0.02 93 12 29898 -45.9 -83.9 1 38.0 -52.5 318 34 805.1 805.1 327.4 805.4 0.03 94 12 29898 -46.3 -84.3 1 38.0 -52.7 318 34 803.7 803.7 327.3 803.9 0.03 95 12 29898 -44.3 -83.3 1 39.0 -51.6 318 34 810.8 810.8 327.5 811.1 0.03 96 11 30484 -41.9 -81.9 1 40.0 -50.7 323 31 839.9 840.0 328.2 840.4 0.04 97 11 30484 -41.9 -81.9 1 40.0 -50.7 323 31 839.9 840.0 328.2 840.4 0.04 TRP 330 7960 -53.3 -61.3 37 8.0 -53.4 10 28 301.9 301.9 282.2 302.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 29.13 % Est. max temperature: -0.67 C = 30.79 F Sfc-Lift cond lev (LCL): 874.81 mb = 1038.83 m = 3408.19 ft T: -12.76 C 700-500 lapse rate: 6.24 C/km ThetaE index: 0.13 C Layer 700.0- 695.0 mb Conv cond level (CCL): 530.50 mb = 4741.82 m = 15556.97 ft Mean mixing ratio: 0.57 g/kg Conv temperature: 17.39 C = 63.30 F Cap Strength: 19.64 C Lifted Index: 19.85 C Risk: None Lifted Index @300 mb: 31.45 C Lifted Index @700 mb: 13.70 C Showalter Index: 15.49 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 4.40 C K Index: -21.50 Risk: None Sweat Index: 101.00 Risk: None Energy Index: 3.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.96 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 69669.80 J/kg Cap Strength: 19.52 C Lift Cond Lev (LCL): 759.25 mb = 2113.39 m = 6933.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 at 18 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 ---------------------------------------------------------- 0 995 40 275 13 13.0 -1.1 | 249 28 26.5 10.3 1 962 305 350 33 5.7 -32.5 | 318 29 19.2 -21.1 2 926 610 15 31 -8.0 -29.9 | 344 19 5.5 -18.5 3 925 614 20 31 -10.6 -29.1 | 351 18 2.9 -17.7 4 889 914 35 33 -18.9 -27.0 | 19 17 -5.4 -15.6 5 854 1219 25 41 -17.3 -37.2 | 8 26 -3.8 -25.8 6 850 1258 25 39 -16.5 -35.3 | 7 24 -3.0 -23.9 7 821 1524 10 32 -5.6 -31.5 | 338 22 8.0 -20.1 8 788 1829 25 36 -15.2 -32.6 | 5 21 -1.7 -21.2 9 757 2134 25 21 -8.9 -19.0 | 329 9 4.6 -7.6 10 727 2438 55 8 -6.6 -4.6 | 226 10 7.0 6.8 11 700 2726 40 12 -7.7 -9.2 | 249 6 5.8 2.2 12 698 2743 35 12 -6.9 -9.8 | 257 7 6.6 1.6 13 670 3048 65 10 -9.1 -4.2 | 212 8 4.4 7.2 14 642 3353 30 17 -8.5 -14.7 | 304 6 5.0 -3.3 15 615 3658 30 25 -12.5 -21.7 | 354 10 1.0 -10.3 16 566 4267 35 22 -12.6 -18.0 | 352 7 0.9 -6.6 17 542 4572 15 18 -4.7 -17.4 | 304 11 8.8 -6.0 18 520 4877 10 20 -3.5 -19.7 | 310 13 10.0 -8.3 19 500 5160 20 23 -7.9 -21.6 | 331 12 5.6 -10.2 20 498 5182 20 23 -7.9 -21.6 | 331 12 5.6 -10.2 21 477 5486 355 25 2.2 -24.9 | 311 21 15.7 -13.5 22 436 6096 10 24 -4.2 -23.6 | 323 15 9.3 -12.2 23 417 6401 20 25 -8.6 -23.5 | 338 13 5.0 -12.1 24 400 6690 15 25 -6.5 -24.1 | 331 15 7.0 -12.7 25 347 7620 10 25 -4.3 -24.6 | 325 16 9.2 -13.2 26 330 7960 10 28 -4.9 -27.6 | 332 18 8.6 -16.2 27 300 8580 360 32 -0.0 -32.0 | 327 25 13.5 -20.6 28 275 9144 360 29 -0.0 -29.0 | 322 22 13.5 -17.6 29 250 9750 360 40 -0.0 -40.0 | 335 32 13.5 -28.6 30 228 10363 350 40 6.9 -39.4 | 324 35 20.5 -28.0 31 200 11220 350 29 5.0 -28.6 | 313 25 18.5 -17.2 32 198 11278 5 32 -2.8 -31.9 | 332 23 10.7 -20.5 33 165 12497 335 40 16.9 -36.3 | 309 39 30.4 -24.9 34 151 13106 340 43 14.7 -40.4 | 316 40 28.2 -29.0 35 150 13130 330 35 17.5 -30.3 | 301 36 31.0 -18.9 36 144 13411 320 34 21.9 -26.0 | 292 38 35.4 -14.6 37 137 13716 335 34 14.4 -30.8 | 305 34 27.9 -19.4 38 110 15240 330 34 17.0 -29.4 | 301 35 30.5 -18.0 39 105 15545 345 35 9.1 -33.8 | 315 32 22.6 -22.4 40 100 15850 310 30 23.0 -19.3 | 282 37 36.5 -7.9 41 100 15850 320 34 21.9 -26.0 | 292 38 35.4 -14.6 42 96 16154 320 34 21.9 -26.0 | 292 38 35.4 -14.6 43 87 16764 330 46 23.0 -39.8 | 308 46 36.5 -28.4 44 80 17374 300 28 24.2 -14.0 | 274 38 37.8 -2.6 45 73 17983 300 29 25.1 -14.5 | 275 39 38.6 -3.1 46 70 18260 335 26 11.0 -23.6 | 296 27 24.5 -12.2 47 70 18288 320 33 21.2 -25.3 | 292 37 34.7 -13.9 48 67 18593 335 29 12.3 -26.3 | 300 30 25.8 -14.9 49 61 19202 300 21 18.2 -10.5 | 268 32 31.7 0.9 50 55 19812 325 33 18.9 -27.0 | 296 36 32.4 -15.6 51 50 20490 330 20 10.0 -17.3 | 284 24 23.5 -5.9 52 46 21031 320 21 13.5 -16.1 | 280 27 27.0 -4.7 53 44 21336 350 18 3.1 -17.7 | 291 18 16.6 -6.3 54 42 21641 350 14 2.4 -13.8 | 279 16 15.9 -2.4 55 40 21946 310 18 13.8 -11.6 | 270 27 27.3 -0.2 56 37 22555 330 26 13.0 -22.5 | 293 29 26.5 -11.1 57 35 22860 340 29 9.9 -27.3 | 304 28 23.4 -15.9 58 33 23165 315 27 19.1 -19.1 | 283 33 32.6 -7.7 59 32 23470 310 33 25.3 -21.2 | 284 40 38.8 -9.8 60 30 23774 305 18 14.7 -10.3 | 268 28 28.3 1.1 61 30 23860 315 24 17.0 -17.0 | 280 31 30.5 -5.6 62 29 24079 310 26 19.9 -16.7 | 279 34 33.4 -5.3 63 28 24384 325 20 11.5 -16.4 | 281 25 25.0 -5.0 64 26 24689 360 11 -0.0 -11.0 | 268 14 13.5 0.4 65 25 24994 360 10 -0.0 -10.0 | 264 14 13.5 1.4 66 23 25603 330 27 13.5 -23.4 | 294 30 27.0 -12.0 67 22 25908 345 17 4.4 -16.4 | 286 19 17.9 -5.0 68 21 26213 310 5 3.8 -3.2 | 245 19 17.3 8.2 69 20 26540 350 14 2.4 -13.8 | 279 16 15.9 -2.4 70 18 26822 360 13 -0.0 -13.0 | 277 14 13.5 -1.6 71 16 27127 320 16 10.3 -12.3 | 272 24 23.8 -0.9 72 14 27432 305 23 18.8 -13.2 | 273 32 32.3 -1.8 73 13 27737 315 35 24.7 -24.7 | 289 41 38.3 -13.3 74 9 28651 335 25 10.6 -22.7 | 295 27 24.1 -11.3 75 8 28956 320 28 18.0 -21.4 | 288 33 31.5 -10.0 76 7 29261 345 36 9.3 -34.8 | 316 33 22.8 -23.4 77 5 30175 325 39 22.4 -31.9 | 300 41 35.9 -20.5 Wind Parameters Mean winds (0-6000m): 19.8 at 23.6 knts Storm direction: 49.8 at 17.7 knts Shear (0-3000m) pos: 6.0 neg: 2.2 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): -36.4 deg Storm rel helicity (0-3000m) pos: 444.9 neg: -142.4 tot: 302.5 m^2/s^2 ave: 100.8 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 22.6 stream: 5.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.40 Bulk Shear: 27.67 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 ------------------------------------------------------------------------------- 500 348 27 309 25| 35.9 0.0 35.9|324.7 0.0 324.7 649.5 0.94| 48.0 45.1 1000 10 30 336 20| 22.4 0.0 22.4|386.8 -5.9 380.9 380.9 0.87| 33.1 28.7 1500 15 32 346 20| 14.9 4.3 19.3|386.8 -90.4 296.4 197.6 0.51| 28.0 14.3 2000 17 32 348 20| 10.9 3.2 14.1|437.5-109.8 327.7 163.9 0.46| 25.9 11.9 2500 19 29 345 17| 6.8 2.6 9.4|439.1-133.0 306.1 122.4 0.27| 25.1 6.8 3000 21 26 341 14| 6.0 2.2 8.1|444.9-142.4 302.5 100.8 0.23| 22.6 5.3 4000 23 24 340 12| 4.7 2.4 7.1|466.7-142.6 324.1 81.0 0.30| 19.6 5.8 5000 23 23 337 11| 3.7 2.5 6.2|477.9-157.5 320.3 64.1 0.25| 17.1 4.3 6000 20 24 333 12| 3.6 2.8 6.3|497.8-178.7 319.1 53.2 0.23| 15.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251217.12.gif