UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 18 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 ------------------------------------------------------------------------------- SFC 1005 40 -9.3 -18.3 48 9.0 -11.1 305 5 263.5 263.6 261.7 266.0 0.90 1 1001 82 -7.9 -18.9 41 11.0 -10.2 353 14 265.2 265.3 262.9 267.6 0.86 2 1000 93 -8.1 -20.1 37 12.0 -10.5 5 16 265.0 265.2 262.6 267.2 0.77 3 964 377 -8.7 -22.7 31 14.0 -11.3 11 30 267.2 267.3 264.0 269.1 0.64 4 925 695 -11.3 -23.3 36 12.0 -13.5 15 27 267.8 267.9 264.3 269.6 0.63 5 909 829 -12.3 -24.3 36 12.0 -14.3 15 27 268.1 268.2 264.5 269.8 0.59 6 905 862 -10.1 -24.1 31 14.0 -12.6 15 27 270.7 270.8 266.3 272.4 0.60 7 896 940 -8.9 -24.9 26 16.0 -11.9 15 27 272.7 272.8 267.6 274.4 0.57 8 855 1300 -11.7 -25.7 30 14.0 -14.1 12 29 273.4 273.5 268.1 275.1 0.55 9 850 1345 -11.5 -25.5 30 14.0 -14.0 10 30 274.1 274.2 268.5 275.8 0.56 10 837 1463 -10.9 -26.9 25 16.0 -13.7 11 31 275.9 276.0 269.6 277.5 0.50 11 778 2021 -14.3 -28.3 29 14.0 -16.6 12 38 278.1 278.2 270.9 279.6 0.48 12 737 2428 -17.9 -32.9 26 15.0 -19.8 10 41 278.5 278.6 270.9 279.5 0.33 13 706 2748 -20.7 -34.7 27 14.0 -22.3 10 42 278.9 278.9 271.0 279.8 0.28 14 700 2811 -21.1 -35.1 27 14.0 -22.7 10 38 279.1 279.2 271.1 280.0 0.28 15 684 2981 -22.1 -36.1 27 14.0 -23.6 5 37 279.9 279.9 271.5 280.7 0.26 16 676 3067 -21.5 -35.5 27 14.0 -23.1 3 36 281.5 281.5 272.5 282.3 0.27 17 632 3560 -24.7 -35.7 35 11.0 -25.8 352 35 283.3 283.3 273.6 284.2 0.29 18 595 3996 -27.1 -52.1 7 25.0 -28.6 353 44 285.4 285.4 274.3 285.6 0.05 19 587 4093 -27.5 -49.5 10 22.0 -28.9 353 46 286.1 286.1 274.8 286.3 0.07 20 586 4105 -27.3 -47.3 13 20.0 -28.7 354 47 286.5 286.5 275.0 286.8 0.09 21 584 4130 -27.1 -49.1 11 22.0 -28.5 354 47 287.0 287.0 275.2 287.2 0.07 22 569 4317 -27.5 -59.5 3 32.0 -29.0 356 53 288.6 288.6 276.0 288.7 0.02 23 548 4587 -28.1 -55.1 6 27.0 -29.6 360 65 291.0 291.1 277.3 291.2 0.04 24 500 5240 -30.9 -46.9 19 16.0 -32.0 360 70 295.4 295.4 279.4 295.8 0.11 25 478 5559 -32.5 -49.5 17 17.0 -33.5 355 74 297.2 297.2 280.3 297.5 0.09 26 472 5648 -33.3 -48.3 21 15.0 -34.2 355 73 297.3 297.3 280.3 297.7 0.10 27 467 5723 -33.7 -55.7 9 22.0 -34.7 355 73 297.7 297.7 280.4 297.9 0.04 28 441 6122 -37.3 -51.3 22 14.0 -37.9 355 72 298.1 298.1 280.6 298.4 0.08 29 423 6409 -39.5 -54.5 19 15.0 -40.1 353 72 298.8 298.8 280.9 299.0 0.06 30 416 6523 -40.1 -58.1 13 18.0 -40.7 352 71 299.5 299.5 281.1 299.6 0.04 31 400 6790 -42.1 -58.1 16 16.0 -42.6 350 71 300.3 300.3 281.5 300.4 0.04 32 394 6892 -42.5 -57.5 18 15.0 -43.0 352 74 301.1 301.1 281.8 301.2 0.04 33 384 7066 -43.5 -59.5 15 16.0 -43.9 354 78 302.0 302.0 282.2 302.1 0.03 34 382 7101 -43.5 -60.3 14 16.8 -44.0 355 79 302.4 302.4 282.4 302.5 0.03 35 374 7243 -43.5 -63.5 9 20.0 -44.0 355 79 304.2 304.2 283.1 304.3 0.02 36 352 7649 -46.5 -63.5 13 17.0 -46.9 355 77 305.5 305.5 283.7 305.6 0.02 37 339 7899 -47.3 -67.3 8 20.0 -47.7 354 75 307.7 307.7 284.5 307.8 0.01 38 308 8529 -50.7 -67.7 12 17.0 -51.0 351 72 311.5 311.5 285.9 311.6 0.01 39 300 8700 -52.1 -68.1 13 16.0 -52.3 350 71 311.9 311.9 286.0 312.0 0.01 40 276 9235 -55.3 -69.3 16 14.0 -55.5 350 63 314.8 314.8 287.1 314.9 0.01 41 261 9593 -52.9 -73.9 6 21.0 -53.2 340 57 323.4 323.4 289.8 323.4 0.01 42 250 9870 -52.9 -75.9 5 23.0 -53.2 330 59 327.4 327.4 291.0 327.4 0.01 43 247 9948 -52.3 -76.3 4 24.0 -52.6 332 60 329.4 329.4 291.6 329.5 0.00 44 240 10133 -52.9 -76.9 4 24.0 -53.2 335 64 331.3 331.3 292.0 331.3 0.00 45 206 11134 -45.9 -78.9 1 33.0 -46.6 332 63 357.1 357.1 298.1 357.1 0.00 46 200 11330 -46.3 -79.3 1 33.0 -47.0 340 59 359.5 359.5 298.6 359.5 0.00 47 188 11739 -46.9 -79.9 1 33.0 -47.6 343 52 364.9 364.9 299.7 364.9 0.00 48 181 11990 -45.5 -79.5 1 34.0 -46.4 346 47 371.2 371.2 300.8 371.2 0.00 49 150 13230 -48.7 -80.7 1 32.0 -49.4 330 29 386.2 386.2 303.2 386.2 0.00 50 140 13683 -50.7 -81.7 1 31.0 -51.3 327 35 390.3 390.3 303.8 390.4 0.00 51 134 13970 -49.3 -81.3 1 32.0 -50.1 329 45 397.7 397.7 304.9 397.8 0.00 52 133 14019 -49.1 -81.1 1 32.0 -49.9 330 47 399.0 399.0 305.0 399.0 0.00 53 118 14804 -50.7 -82.7 1 32.0 -51.4 330 37 409.9 409.9 306.5 409.9 0.00 54 117 14860 -48.7 -81.7 1 33.0 -49.6 330 36 414.6 414.6 307.1 414.6 0.00 55 115 14974 -48.5 -81.5 1 33.0 -49.4 329 37 417.0 417.0 307.4 417.0 0.00 56 108 15389 -46.9 -80.9 1 34.0 -48.1 325 53 427.6 427.6 308.6 427.6 0.01 57 104 15639 -47.9 -81.9 1 34.0 -49.0 336 47 430.3 430.3 308.9 430.3 0.00 58 103 15704 -46.7 -80.7 1 34.0 -48.0 341 43 433.8 433.8 309.3 433.8 0.01 59 100 15900 -46.7 -80.7 1 34.0 -48.0 335 33 437.5 437.5 309.6 437.5 0.01 60 98 16033 -47.1 -81.1 1 34.0 -48.4 335 33 439.3 439.3 309.8 439.3 0.01 61 97 16101 -44.7 -80.7 1 36.0 -46.3 335 33 445.2 445.2 310.4 445.3 0.01 62 81 17296 -46.9 -81.9 1 35.0 -48.4 328 27 464.3 464.3 312.1 464.3 0.01 63 70 18250 -51.3 -83.3 1 32.0 -52.4 295 35 474.6 474.6 313.0 474.7 0.01 64 66 18632 -52.9 -84.9 1 32.0 -53.9 296 37 479.2 479.2 313.4 479.2 0.00 65 57 19596 -45.7 -81.7 1 36.0 -48.0 312 42 516.1 516.1 316.1 516.1 0.01 66 55 19835 -45.5 -81.5 1 36.0 -47.9 311 41 521.8 521.8 316.4 521.9 0.01 67 52 20209 -45.5 -81.5 1 36.0 -48.0 318 34 530.3 530.3 316.9 530.3 0.01 68 50 20470 -48.1 -82.1 1 34.0 -50.1 240 14 530.1 530.1 316.9 530.2 0.01 69 47 20875 -50.7 -83.7 1 33.0 -52.4 245 14 533.4 533.4 317.1 533.4 0.01 70 46 21015 -50.9 -83.9 1 33.0 -52.6 245 15 536.2 536.2 317.3 536.2 0.01 71 43 21456 -48.9 -82.9 1 34.0 -51.1 282 31 551.5 551.5 318.2 551.6 0.01 72 42 21609 -50.5 -83.5 1 33.0 -52.4 285 33 551.3 551.3 318.2 551.3 0.01 73 40 21929 -48.5 -83.5 1 35.0 -50.8 290 36 564.0 564.1 318.9 564.1 0.01 74 35 22805 -49.3 -83.3 1 34.0 -51.7 307 41 583.9 583.9 319.9 584.0 0.01 75 31 23604 -47.3 -82.3 1 35.0 -50.5 328 33 609.9 610.0 321.0 610.0 0.01 76 30 23820 -48.7 -82.7 1 34.0 -51.6 315 27 611.9 611.9 321.2 612.0 0.01 77 25 25002 -53.7 -85.7 1 32.0 -55.8 285 19 630.3 630.3 321.9 630.3 0.01 78 24 25265 -52.7 -85.7 1 33.0 -55.1 292 27 640.6 640.6 322.3 640.6 0.01 79 24 25265 -49.5 -84.5 1 35.0 -52.7 292 27 649.9 649.9 322.7 650.0 0.01 80 20 26450 -52.1 -85.1 1 33.0 -55.0 295 39 676.7 676.7 323.7 676.8 0.01 81 18 27132 -52.5 -85.5 1 33.0 -55.5 302 40 696.1 696.1 324.3 696.2 0.01 82 17 27502 -50.7 -84.7 1 34.0 -54.4 301 40 713.4 713.4 324.8 713.5 0.02 83 15 28315 -52.3 -85.3 1 33.0 -55.8 285 39 734.1 734.1 325.5 734.2 0.02 84 15 28315 -50.1 -85.1 1 35.0 -54.3 285 39 741.4 741.4 325.7 741.5 0.02 85 15 28315 -50.3 -84.3 1 34.0 -54.4 285 39 740.7 740.7 325.7 740.9 0.02 86 14 28770 -46.1 -83.1 1 37.0 -52.0 297 40 769.7 769.7 326.5 770.0 0.03 87 14 28770 -44.9 -81.9 1 37.0 -51.3 297 40 773.8 773.8 326.6 774.1 0.03 88 13 29264 -45.9 -82.9 1 37.0 -52.2 298 38 786.9 786.9 326.9 787.2 0.03 89 12 29798 -44.5 -82.5 1 38.0 -51.7 295 35 810.1 810.1 327.5 810.4 0.04 90 12 29798 -42.3 -81.3 1 39.0 -50.5 295 35 817.9 817.9 327.7 818.3 0.04 91 12 29798 -42.1 -81.1 1 39.0 -50.4 295 35 818.6 818.6 327.7 819.0 0.05 92 11 30386 -42.9 -80.9 1 38.0 -51.2 297 38 836.3 836.3 328.1 836.8 0.05 TRP 276 9235 -55.3 -69.3 16 14.0 -55.5 350 63 314.8 314.8 287.1 314.9 0.01 WND 382 7101 -43.5 -60.3 14 16.8 -44.0 355 79 302.4 302.4 282.4 302.5 0.03 Sounding variables and indices 1000-500 mb thick: 5147.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 23.99 % Est. max temperature: 0.67 C = 33.21 F Sfc-Lift cond lev (LCL): 869.62 mb = 1169.52 m = 3836.97 ft T: -10.69 C 700-500 lapse rate: 4.03 C/km ThetaE index: 0.35 C Layer 1000.0- 964.0 mb Conv cond level (CCL): 537.50 mb = 4724.64 m = 15500.58 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 19.22 C = 66.59 F Cap Strength: 18.87 C Lifted Index: 21.81 C Risk: None Lifted Index @300 mb: 30.47 C Lifted Index @700 mb: 10.26 C Showalter Index: 16.37 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 5.40 C K Index: -20.10 Risk: None Sweat Index: 130.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.30 J/kg Max Up Vert Vel: 5.35 m/s Conv Inhibition (B-): 70045.02 J/kg Cap Strength: 21.36 C Lift Cond Lev (LCL): 777.52 mb = 2025.59 m = 6645.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 31 at 34 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 1005 40 305 5 4.1 -2.9 | 220 34 21.6 25.8 1 1000 93 5 16 -1.4 -15.9 | 232 21 16.1 12.7 2 973 305 10 30 -5.2 -29.5 | 274 12 12.3 -0.9 3 935 610 15 29 -7.5 -28.0 | 266 10 10.0 0.6 4 925 695 15 27 -7.0 -26.1 | 256 11 10.5 2.5 5 899 914 15 27 -7.0 -26.1 | 256 11 10.5 2.5 6 864 1219 15 27 -7.0 -26.1 | 256 11 10.5 2.5 7 850 1345 10 30 -5.2 -29.5 | 274 12 12.3 -0.9 8 797 1829 15 35 -9.1 -33.8 | 301 10 8.5 -5.2 9 766 2134 10 40 -6.9 -39.4 | 315 15 10.6 -10.8 10 735 2438 10 41 -7.1 -40.4 | 318 16 10.4 -11.7 11 706 2743 10 42 -7.3 -41.4 | 321 16 10.2 -12.7 12 700 2811 10 38 -6.6 -37.4 | 309 14 10.9 -8.8 13 649 3353 355 34 3.0 -33.9 | 284 21 20.5 -5.2 14 623 3658 350 36 6.3 -35.5 | 286 25 23.8 -6.8 15 572 4267 355 51 4.4 -50.8 | 315 31 22.0 -22.2 16 548 4572 360 65 -0.0 -65.0 | 334 40 17.5 -36.4 17 526 4877 355 62 5.4 -61.8 | 325 40 22.9 -33.1 18 500 5240 360 70 -0.0 -70.0 | 337 45 17.5 -41.4 19 483 5486 355 74 6.4 -73.7 | 332 51 24.0 -45.1 20 442 6096 355 72 6.3 -71.7 | 331 49 23.8 -43.1 21 400 6790 350 71 12.3 -69.9 | 324 51 29.9 -41.3 22 382 7101 355 79 6.9 -78.7 | 334 56 24.4 -50.1 23 370 7315 355 79 6.9 -78.7 | 334 56 24.4 -50.1 24 353 7620 355 77 6.7 -76.7 | 333 54 24.2 -48.1 25 300 8700 350 71 12.3 -69.9 | 324 51 29.9 -41.3 26 294 8839 350 70 12.2 -68.9 | 324 50 29.7 -40.3 27 280 9144 350 65 11.3 -64.0 | 321 46 28.8 -35.4 28 276 9235 350 63 10.9 -62.0 | 320 44 28.5 -33.4 29 255 9754 335 54 22.8 -48.9 | 297 45 40.4 -20.3 30 250 9870 330 59 29.5 -51.1 | 296 52 47.0 -22.5 31 232 10363 340 68 23.3 -63.9 | 311 54 40.8 -35.3 32 202 11278 330 62 31.0 -53.7 | 297 55 48.5 -25.1 33 200 11330 340 59 20.2 -55.4 | 305 46 37.7 -26.8 34 153 13106 355 28 2.4 -27.9 | 268 20 20.0 0.7 35 150 13230 330 29 14.5 -25.1 | 264 32 32.0 3.5 36 146 13411 340 27 9.2 -25.4 | 263 27 26.8 3.3 37 139 13716 325 36 20.6 -29.5 | 271 38 38.2 -0.9 38 133 14021 330 47 23.5 -40.7 | 286 43 41.0 -12.1 39 116 14935 330 35 17.5 -30.3 | 273 35 35.0 -1.7 40 111 15240 320 51 32.8 -39.1 | 282 51 50.3 -10.4 41 106 15545 330 54 27.0 -46.8 | 292 48 44.5 -18.1 42 101 15850 350 33 5.7 -32.5 | 279 24 23.3 -3.9 43 100 15900 335 33 13.9 -29.9 | 272 32 31.5 -1.3 44 96 16154 335 33 13.9 -29.9 | 272 32 31.5 -1.3 45 92 16459 320 36 23.1 -27.6 | 269 41 40.7 1.0 46 88 16764 350 33 5.7 -32.5 | 279 24 23.3 -3.9 47 80 17374 325 26 14.9 -21.3 | 257 33 32.4 7.3 48 76 17678 280 23 22.7 -4.0 | 238 47 40.2 24.6 49 70 18250 295 35 31.7 -14.8 | 254 51 49.3 13.8 50 70 18288 315 29 20.5 -20.5 | 258 39 38.0 8.1 51 66 18593 295 36 32.6 -15.2 | 255 52 50.2 13.4 52 63 18898 305 45 36.9 -25.8 | 267 54 54.4 2.8 53 61 19202 315 44 31.1 -31.1 | 273 49 48.6 -2.5 54 55 19812 310 41 31.4 -26.4 | 267 49 48.9 2.3 55 53 20117 320 40 25.7 -30.6 | 273 43 43.2 -2.0 56 50 20422 315 21 14.8 -14.8 | 247 35 32.4 13.8 57 50 20470 240 14 12.1 7.0 | 220 46 29.7 35.6 58 48 20726 245 14 12.7 5.9 | 221 46 30.2 34.5 59 46 21031 245 15 13.6 6.3 | 222 47 31.1 35.0 60 44 21336 280 30 29.5 -5.2 | 244 53 47.1 23.4 61 40 21946 290 36 33.8 -12.3 | 252 54 51.4 16.3 62 38 22250 320 37 23.8 -28.3 | 270 41 41.3 0.3 63 36 22555 315 50 35.4 -35.4 | 277 53 52.9 -6.7 64 35 22860 305 39 31.9 -22.4 | 263 50 49.5 6.3 65 32 23470 330 40 20.0 -34.6 | 279 38 37.5 -6.0 66 30 23774 325 25 14.3 -20.5 | 256 33 31.9 8.1 67 30 23820 315 27 19.1 -19.1 | 255 38 36.6 9.5 68 28 24384 305 32 26.2 -18.4 | 257 45 43.7 10.3 69 25 24994 285 19 18.4 -4.9 | 237 43 35.9 23.7 70 22 25908 310 47 36.0 -30.2 | 272 54 53.5 -1.6 71 21 26213 295 39 35.3 -16.5 | 257 54 52.9 12.1 72 20 26450 295 39 35.3 -16.5 | 257 54 52.9 12.1 73 17 26822 305 41 33.6 -23.5 | 264 51 51.1 5.1 74 15 27127 280 38 37.4 -6.6 | 248 59 55.0 22.0 75 14 27432 300 40 34.6 -20.0 | 261 53 52.2 8.6 76 12 27737 295 35 31.7 -14.8 | 254 51 49.3 13.8 77 7 29261 305 49 40.1 -28.1 | 269 58 57.7 0.5 78 5 29870 315 47 33.2 -33.2 | 275 51 50.8 -4.6 Wind Parameters Mean winds (0-6000m): 1.5 at 44.8 knts Storm direction: 31.5 at 33.6 knts Shear (0-3000m) pos: 4.4 neg: 1.9 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 76.5 deg Storm rel helicity (0-3000m) pos: 127.1 neg: -36.1 tot: 91.0 m^2/s^2 ave: 30.3 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.27 Bulk Shear: 53.78 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 10 25 254 14| 28.6 0.0 28.6| 85.4 -2.9 82.5 165.0 0.54| 31.2 16.8 1000 13 26 256 12| 13.2 0.0 13.2| 85.4 -9.1 76.3 76.3 0.43| 16.8 7.3 1500 13 27 260 12| 8.8 1.8 10.6|102.3 -9.1 93.2 62.1 0.51| 13.3 6.7 2000 13 29 269 11| 6.6 3.0 9.6|118.0 -9.1 108.9 54.5 0.54| 11.9 6.5 2500 12 31 281 11| 5.3 3.0 8.3|125.0 -9.1 115.9 46.4 0.54| 10.2 5.5 3000 11 33 288 12| 4.4 1.9 6.3|127.1 -36.1 91.0 30.3 0.36| 10.0 3.6 4000 7 34 291 15| 4.5 1.9 6.4|192.6 -55.6 137.0 34.2 0.34| 9.9 3.4 5000 4 39 304 18| 5.6 1.9 7.4|363.8-102.0 261.8 52.4 0.39| 10.8 4.2 6000 1 45 315 23| 4.6 2.1 6.8|419.1-165.1 254.0 42.3 0.34| 10.3 3.5 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251218.12.gif