UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:0000Z 9 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 -4 300 2 SFC 993 40 -7.7 -19.7 38 12.0 -10.2 300 2 266.0 266.1 263.4 268.3 0.81 2 982 128 -6.9 -23.9 24 17.0 -10.1 330 9 267.6 267.7 264.1 269.3 0.56 3 966 259 -7.1 -26.1 20 19.0 -10.5 14 19 268.7 268.8 264.7 270.1 0.47 4 926 593 -9.3 -29.3 18 20.0 -12.5 30 43 269.7 269.8 265.2 270.8 0.36 5 925 601 -9.3 -29.3 18 20.0 -12.5 30 44 269.8 269.9 265.3 270.9 0.37 6 914 694 -9.1 -32.1 14 23.0 -12.5 29 47 270.9 271.0 265.8 271.8 0.28 7 906 762 -8.1 -33.1 11 25.0 -11.9 27 48 272.6 272.7 267.0 273.4 0.26 8 884 952 -8.3 -34.3 10 26.0 -12.1 26 49 274.4 274.4 268.1 275.1 0.24 9 877 1014 -7.9 -34.9 9 27.0 -11.9 27 45 275.4 275.4 268.7 276.1 0.22 10 873 1050 -6.7 -34.7 9 28.0 -11.1 27 43 277.0 277.0 269.7 277.7 0.23 11 859 1176 -7.3 -35.3 9 28.0 -11.5 29 36 277.7 277.7 270.1 278.4 0.22 12 850 1258 -6.3 -36.3 7 30.0 -10.9 35 34 279.5 279.6 271.2 280.2 0.20 13 849 1267 -6.3 -36.3 7 30.0 -10.9 36 34 279.6 279.7 271.3 280.3 0.20 14 816 1576 -7.1 -38.1 6 31.0 -11.7 61 32 282.0 282.0 272.6 282.6 0.18 15 805 1682 -6.5 -38.5 6 32.0 -11.3 63 36 283.7 283.7 273.6 284.3 0.17 16 779 1938 -7.7 -38.7 6 31.0 -12.3 62 44 285.1 285.1 274.4 285.7 0.17 17 700 2759 -13.5 -35.5 14 22.0 -16.7 55 47 287.5 287.6 275.8 288.4 0.27 18 672 3069 -15.5 -36.5 15 21.0 -18.3 48 47 288.7 288.7 276.4 289.5 0.25 19 628 3577 -18.5 -42.5 10 24.0 -21.1 37 47 290.9 290.9 277.3 291.4 0.14 20 625 3613 -18.7 -42.7 10 24.0 -21.2 36 47 291.1 291.1 277.4 291.5 0.14 21 520 4952 -30.7 -44.7 24 14.0 -31.7 39 55 292.3 292.3 278.0 292.8 0.14 22 500 5230 -32.7 -46.7 23 14.0 -33.6 35 60 293.2 293.2 278.4 293.6 0.11 23 480 5517 -34.3 -49.3 20 15.0 -35.1 40 63 294.6 294.7 279.1 295.0 0.09 24 464 5753 -36.5 -48.5 28 12.0 -37.1 44 66 294.8 294.8 279.1 295.1 0.10 25 452 5934 -37.3 -50.3 25 13.0 -37.9 41 69 296.0 296.0 279.7 296.3 0.08 26 449 5980 -37.1 -55.1 14 18.0 -37.8 39 70 296.8 296.8 280.0 297.0 0.05 27 432 6246 -38.9 -51.9 24 13.0 -39.5 36 72 297.8 297.8 280.5 298.1 0.07 28 423 6390 -39.5 -57.5 13 18.0 -40.1 37 72 298.8 298.8 280.9 299.0 0.04 29 404 6703 -42.3 -56.3 20 14.0 -42.8 40 73 299.2 299.2 281.0 299.3 0.05 30 403 6720 -42.4 -56.4 20 14.0 -42.8 40 73 299.2 299.3 281.1 299.4 0.05 31 400 6770 -42.7 -56.7 20 14.0 -43.1 40 73 299.5 299.5 281.2 299.7 0.04 32 382 7079 -45.1 -60.1 17 15.0 -45.4 38 70 300.3 300.3 281.5 300.4 0.03 33 371 7274 -45.7 -60.7 17 15.0 -46.0 37 68 302.0 302.0 282.3 302.1 0.03 34 331 8029 -48.9 -67.9 9 19.0 -49.2 29 60 307.7 307.7 284.4 307.7 0.01 35 306 8542 -51.5 -66.5 15 15.0 -51.7 21 56 311.0 311.0 285.7 311.1 0.02 36 302 8627 -52.1 -68.1 13 16.0 -52.3 20 55 311.3 311.3 285.8 311.4 0.01 37 300 8670 -51.9 -68.9 11 17.0 -52.1 20 54 312.2 312.2 286.1 312.2 0.01 38 298 8713 -51.9 -68.9 11 17.0 -52.1 20 54 312.8 312.8 286.4 312.8 0.01 39 291 8868 -47.7 -71.7 5 24.0 -48.1 20 53 320.9 320.9 289.0 320.9 0.01 40 289 8913 -47.5 -71.5 5 24.0 -47.9 21 50 321.8 321.8 289.3 321.9 0.01 41 253 9782 -50.1 -76.1 3 26.0 -50.5 8 36 330.5 330.5 291.9 330.5 0.00 42 250 9860 -49.7 -75.7 3 26.0 -50.1 5 38 332.2 332.2 292.3 332.2 0.01 43 238 10183 -47.5 -77.5 2 30.0 -48.0 355 36 340.2 340.2 294.4 340.2 0.00 44 210 11005 -48.9 -78.9 2 30.0 -49.4 353 29 350.4 350.4 296.7 350.4 0.00 45 205 11164 -46.3 -79.3 1 33.0 -47.0 357 26 356.9 356.9 298.1 356.9 0.00 46 202 11263 -41.9 -77.9 1 36.0 -43.0 360 24 365.4 365.4 299.7 365.4 0.00 47 200 11330 -42.5 -78.5 1 36.0 -43.6 305 15 365.5 365.5 299.8 365.5 0.00 48 189 11711 -45.1 -79.1 1 34.0 -46.0 315 17 367.3 367.3 300.1 367.3 0.00 49 185 11855 -45.1 -79.1 1 34.0 -46.0 327 19 369.5 369.5 300.5 369.5 0.00 50 181 12002 -42.7 -78.7 1 36.0 -43.8 313 18 375.7 375.7 301.5 375.8 0.00 51 162 12747 -46.1 -80.1 1 34.0 -47.0 274 26 382.1 382.1 302.6 382.1 0.00 52 151 13216 -46.3 -80.3 1 34.0 -47.3 291 31 389.5 389.5 303.7 389.6 0.00 53 150 13260 -45.9 -79.9 1 34.0 -46.9 295 28 391.0 391.0 303.9 391.0 0.00 54 148 13349 -44.9 -79.9 1 35.0 -46.0 296 26 394.2 394.2 304.4 394.2 0.00 55 143 13578 -46.3 -80.3 1 34.0 -47.3 298 22 395.7 395.7 304.6 395.7 0.00 56 138 13815 -45.5 -80.5 1 35.0 -46.6 295 21 401.1 401.1 305.3 401.1 0.00 57 118 14851 -47.9 -81.9 1 34.0 -48.9 298 36 415.1 415.1 307.2 415.1 0.00 58 108 15438 -45.3 -80.3 1 35.0 -46.7 302 29 430.6 430.6 308.9 430.6 0.01 59 105 15625 -46.5 -81.5 1 35.0 -47.8 287 26 431.8 431.8 309.0 431.8 0.00 60 104 15689 -45.1 -80.1 1 35.0 -46.6 281 26 435.7 435.7 309.4 435.7 0.01 61 100 15950 -46.3 -81.3 1 35.0 -47.7 260 25 438.3 438.3 309.7 438.3 0.01 62 93 16430 -47.7 -81.7 1 34.0 -49.0 269 26 444.7 444.7 310.3 444.7 0.01 63 88 16796 -45.9 -80.9 1 35.0 -47.5 251 26 455.4 455.4 311.4 455.4 0.01 64 84 17104 -47.3 -82.3 1 35.0 -48.7 256 31 458.6 458.6 311.7 458.7 0.01 65 79 17511 -46.1 -81.1 1 35.0 -47.8 267 34 469.2 469.2 312.6 469.3 0.01 66 70 18310 -48.3 -82.3 1 34.0 -49.8 290 24 481.1 481.1 313.5 481.1 0.01 67 68 18501 -47.3 -82.3 1 35.0 -49.0 283 25 487.2 487.2 314.0 487.3 0.01 68 57 19664 -48.3 -82.3 1 34.0 -50.1 308 21 510.2 510.2 315.7 510.2 0.01 69 50 20530 -46.3 -82.3 1 36.0 -48.7 270 17 534.4 534.4 317.2 534.4 0.01 70 49 20664 -45.7 -81.7 1 36.0 -48.3 270 17 538.9 538.9 317.5 538.9 0.01 71 40 22006 -48.9 -82.9 1 34.0 -51.2 288 32 563.0 563.0 318.8 563.1 0.01 72 36 22700 -47.7 -82.7 1 35.0 -50.4 302 38 583.4 583.4 319.8 583.5 0.01 73 32 23475 -49.3 -83.3 1 34.0 -51.9 313 35 599.1 599.1 320.6 599.2 0.01 74 31 23684 -47.7 -82.7 1 35.0 -50.8 311 35 608.9 608.9 321.0 609.0 0.01 75 30 23900 -48.5 -83.5 1 35.0 -51.4 310 35 612.4 612.4 321.2 612.5 0.01 76 29 24123 -49.1 -84.1 1 35.0 -52.0 306 32 616.7 616.7 321.3 616.8 0.01 77 27 24594 -47.9 -82.9 1 35.0 -51.2 318 41 632.8 632.8 322.0 633.0 0.02 78 22 25942 -49.1 -84.1 1 35.0 -52.6 334 43 667.4 667.4 323.3 667.6 0.02 79 21 26249 -47.9 -83.9 1 36.0 -51.9 327 45 680.0 680.0 323.8 680.1 0.02 80 20 26570 -48.9 -83.9 1 35.0 -52.7 325 45 686.5 686.5 324.0 686.6 0.02 81 16 28022 -51.5 -84.5 1 33.0 -55.1 324 41 723.3 723.3 325.1 723.4 0.02 82 16 28022 -50.9 -84.9 1 34.0 -54.6 324 41 725.2 725.2 325.2 725.4 0.02 83 13 29358 -54.9 -85.9 1 31.0 -58.0 324 29 755.7 755.7 326.1 755.9 0.02 84 10 31040 -52.5 -85.5 1 33.0 -57.1 330 51 823.6 823.6 327.8 823.8 0.03 85 9.7 31236 -53.5 -85.5 1 32.0 -57.8 827.0 827.0 327.9 827.3 0.03 86 9.1 31649 -51.9 -85.9 1 34.0 -56.9 848.4 848.4 328.4 848.6 0.03 87 8.8 31866 -52.7 -85.7 1 33.0 -57.5 853.5 853.5 328.5 853.7 0.03 88 8.5 32091 -49.5 -85.5 1 36.0 -55.8 874.5 874.5 328.9 874.8 0.03 89 8.1 32408 -47.7 -83.7 1 36.0 -54.9 893.8 893.8 329.3 894.2 0.04 90 8.0 32490 -48.1 -83.1 1 35.0 -55.2 895.4 895.4 329.4 895.9 0.05 TRP 302 8627 -52.1 -68.1 13 16.0 -52.3 20 55 311.3 311.3 285.8 311.4 0.01 WND 403 6720 -42.4 -56.4 20 14.0 -42.8 40 73 299.2 299.3 281.1 299.4 0.05 Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 14.06 % Est. max temperature: 6.35 C = 43.42 F Sfc-Lift cond lev (LCL): 819.16 mb = 1546.09 m = 5072.42 ft T: -7.02 C 700-500 lapse rate: 7.77 C/km ThetaE index: 0.00 C Layer 993.0-89129.0 mb Conv cond level (CCL): 475.88 mb = 5576.66 m = 18295.92 ft Mean mixing ratio: 0.42 g/kg Conv temperature: 20.94 C = 69.69 F Cap Strength: 18.31 C Lifted Index: 18.43 C Risk: None Lifted Index @300 mb: 29.26 C Lifted Index @700 mb: 16.12 C Showalter Index: 11.05 C Risk: None Total Totals Index: 22.80 C Risk: None Vertical Totals Index: 26.40 C Cross Totals Index: -3.60 C K Index: -31.90 Risk: None Sweat Index: 128.00 Risk: None Energy Index: 2.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.33 J/kg Max Up Vert Vel: 6.68 m/s Conv Inhibition (B-): 74692.67 J/kg Cap Strength: 18.32 C Lift Cond Lev (LCL): 685.28 mb = 2920.18 m = 9580.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 71 at 36 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 ---------------------------------------------------------- 0 993 40 300 2 1.7 -1.0 | 253 37 35.6 10.8 1 960 305 30 23 -11.5 -19.9 | 290 24 22.4 -8.1 2 925 601 30 44 -22.0 -38.1 | 336 29 11.9 -26.3 3 924 610 30 45 -22.5 -39.0 | 337 29 11.4 -27.2 4 888 914 25 51 -21.6 -46.2 | 340 37 12.3 -34.4 5 854 1219 30 34 -17.0 -29.4 | 316 24 16.9 -17.6 6 850 1258 35 34 -19.5 -27.9 | 318 22 14.4 -16.0 7 821 1524 60 30 -26.0 -15.0 | 292 9 7.9 -3.2 8 790 1829 65 41 -37.2 -17.3 | 31 6 -3.3 -5.5 9 759 2134 55 49 -40.1 -28.1 | 21 17 -6.2 -16.3 10 730 2438 55 48 -39.3 -27.5 | 19 17 -5.4 -15.7 11 701 2743 55 48 -39.3 -27.5 | 19 17 -5.4 -15.7 12 700 2759 55 47 -38.5 -27.0 | 17 16 -4.6 -15.1 13 619 3658 35 47 -27.0 -38.5 | 345 28 6.9 -26.7 14 594 3962 30 51 -25.5 -44.2 | 345 33 8.4 -32.3 15 570 4267 30 55 -27.5 -47.6 | 350 36 6.4 -35.8 16 525 4877 40 54 -34.7 -41.4 | 2 30 -0.8 -29.5 17 500 5230 35 60 -34.4 -49.1 | 1 37 -0.5 -37.3 18 461 5791 45 66 -46.7 -46.7 | 20 37 -12.8 -34.9 19 441 6096 35 72 -41.3 -59.0 | 9 48 -7.4 -47.2 20 404 6706 40 73 -46.9 -55.9 | 16 46 -13.0 -44.1 21 403 6720 40 73 -46.9 -55.9 | 16 46 -13.0 -44.1 22 400 6770 40 73 -46.9 -55.9 | 16 46 -13.0 -44.1 23 352 7620 35 64 -36.7 -52.4 | 4 41 -2.8 -40.6 24 302 8627 20 55 -18.8 -51.7 | 339 43 15.1 -39.9 25 300 8670 20 54 -18.5 -50.7 | 338 42 15.4 -38.9 26 292 8839 20 55 -18.8 -51.7 | 339 43 15.1 -39.9 27 279 9144 25 33 -13.9 -29.9 | 312 27 19.9 -18.1 28 266 9449 20 29 -9.9 -27.3 | 303 29 24.0 -15.4 29 250 9860 5 38 -3.3 -37.9 | 310 40 30.6 -26.0 30 243 10058 5 38 -3.3 -37.9 | 310 40 30.6 -26.0 31 232 10363 340 32 10.9 -30.1 | 292 48 44.8 -18.3 32 221 10668 345 36 9.3 -34.8 | 298 49 43.2 -23.0 33 202 11278 360 24 -0.0 -24.0 | 290 36 33.9 -12.2 34 200 11330 305 15 12.3 -8.6 | 266 46 46.2 3.2 35 193 11582 305 16 13.1 -9.2 | 267 47 47.0 2.6 36 184 11887 330 19 9.5 -16.5 | 276 44 43.4 -4.6 37 176 12192 285 17 16.4 -4.4 | 262 51 50.3 7.4 38 168 12497 270 19 19.0 -0.0 | 257 54 52.9 11.8 39 153 13106 280 37 36.4 -6.4 | 266 71 70.3 5.4 40 150 13260 295 28 25.4 -11.8 | 270 59 59.3 -0.0 41 140 13716 300 20 17.3 -10.0 | 268 51 51.2 1.8 42 134 14021 285 23 22.2 -6.0 | 264 56 56.1 5.9 43 128 14326 280 27 26.6 -4.7 | 263 61 60.5 7.1 44 122 14630 280 30 29.5 -5.2 | 264 64 63.4 6.6 45 117 14935 305 38 31.1 -21.8 | 279 66 65.0 -10.0 46 111 15240 315 34 24.0 -24.0 | 282 59 57.9 -12.2 47 106 15545 295 27 24.5 -11.4 | 270 58 58.4 0.4 48 102 15850 265 24 23.9 2.1 | 256 59 57.8 13.9 49 100 15950 260 25 24.6 4.3 | 255 61 58.5 16.2 50 97 16154 260 25 24.6 4.3 | 255 61 58.5 16.2 51 93 16459 270 26 26.0 -0.0 | 259 61 59.9 11.8 52 88 16764 250 25 23.5 8.6 | 250 61 57.4 20.4 53 81 17374 260 35 34.5 6.1 | 255 71 68.4 17.9 54 74 17983 290 29 27.3 -9.9 | 268 61 61.1 1.9 55 70 18288 285 21 20.3 -5.4 | 263 55 54.2 6.4 56 70 18310 290 24 22.6 -8.2 | 266 57 56.4 3.6 57 67 18593 280 26 25.6 -4.5 | 263 60 59.5 7.3 58 64 18898 305 30 24.6 -17.2 | 275 59 58.5 -5.4 59 53 20117 310 15 11.5 -9.6 | 267 45 45.4 2.2 60 51 20422 310 25 19.2 -16.1 | 275 53 53.0 -4.3 61 50 20530 270 17 17.0 -0.0 | 257 52 50.9 11.8 62 49 20726 270 17 17.0 -0.0 | 257 52 50.9 11.8 63 44 21336 275 27 26.9 -2.4 | 261 62 60.8 9.5 64 35 22860 305 39 31.9 -22.4 | 279 67 65.8 -10.6 65 34 23165 315 35 24.7 -24.7 | 282 60 58.6 -12.9 66 30 23900 310 35 26.8 -22.5 | 280 62 60.7 -10.7 67 29 24079 305 30 24.6 -17.2 | 275 59 58.5 -5.4 68 28 24384 315 41 29.0 -29.0 | 285 65 62.9 -17.2 69 22 25908 335 43 18.2 -39.0 | 298 59 52.1 -27.2 70 20 26518 320 46 29.6 -35.2 | 290 68 63.5 -23.4 71 20 26570 325 45 25.8 -36.9 | 293 65 59.7 -25.0 72 18 27127 335 49 20.7 -44.4 | 301 64 54.6 -32.6 73 17 27432 335 45 19.0 -40.8 | 299 60 52.9 -29.0 74 17 27737 320 31 19.9 -23.7 | 282 55 53.8 -11.9 75 16 28042 325 42 24.1 -34.4 | 291 62 58.0 -22.6 76 15 28346 330 31 15.5 -26.8 | 287 52 49.4 -15.0 77 14 28651 315 26 18.4 -18.4 | 277 53 52.3 -6.6 78 13 29261 330 29 14.5 -25.1 | 285 50 48.4 -13.3 79 13 29566 310 30 23.0 -19.3 | 277 57 56.9 -7.5 80 11 30175 330 41 20.5 -35.5 | 294 59 54.4 -23.7 81 10 31040 330 51 25.5 -44.2 | 299 68 59.4 -32.3 Wind Parameters Mean winds (0-6000m): 40.8 at 47.9 knts Storm direction: 70.8 at 35.9 knts Shear (0-3000m) pos: 5.1 neg: 3.9 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 111.2 deg Storm rel helicity (0-3000m) pos: 366.2 neg: -130.8 tot: 235.3 m^2/s^2 ave: 78.4 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 20.1 stream: 5.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.23 Bulk Shear: 99.17 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 29 21 286 25| 40.9 0.0 40.9|306.1 0.0 306.1 612.2 0.86| 46.3 39.7 1000 28 34 316 26| 20.4 2.5 22.9|351.6 -33.9 317.8 317.8 0.65| 32.0 20.9 1500 31 34 318 24| 10.2 1.7 11.8|351.6-101.4 250.2 166.8 0.32| 30.5 9.8 2000 40 36 324 19| 7.6 5.0 12.6|366.2-104.6 261.6 130.8 0.35| 27.6 9.6 2500 44 38 335 17| 6.1 4.4 10.5|366.2-110.1 256.0 102.4 0.32| 23.0 7.4 3000 46 40 341 17| 5.1 3.9 8.9|366.2-130.8 235.3 78.4 0.27| 20.1 5.4 4000 43 42 345 19| 3.8 4.5 8.3|372.3-177.6 194.7 48.7 0.18| 17.4 3.2 5000 41 44 348 22| 3.9 3.6 7.5|449.2-178.3 270.9 54.2 0.22| 15.5 3.4 6000 41 48 354 25| 3.9 3.7 7.6|558.3-240.9 317.4 52.9 0.22| 15.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251209.00.gif