UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:0000Z 19 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 1003 40 -10.5 -18.5 52 8.0 -12.1 250 2 262.4 262.6 260.9 264.9 0.88 1 1002 53 -9.5 -19.5 44 10.0 -11.5 282 2 263.5 263.6 261.6 265.8 0.81 2 1000 80 -9.5 -19.5 44 10.0 -11.5 345 3 263.6 263.8 261.7 265.9 0.81 3 997 103 -9.5 -19.5 44 10.0 -11.5 348 4 263.9 264.0 261.9 266.2 0.82 4 951 466 -12.3 -21.3 47 9.0 -13.9 13 17 264.6 264.7 262.3 266.7 0.73 5 941 547 -11.1 -23.1 36 12.0 -13.2 14 21 266.6 266.8 263.6 268.5 0.63 6 925 678 -11.5 -24.5 33 13.0 -13.7 10 24 267.5 267.6 264.1 269.2 0.57 7 920 720 -11.5 -24.5 33 13.0 -13.7 8 23 268.0 268.1 264.4 269.6 0.57 8 915 761 -10.3 -25.3 28 15.0 -12.9 6 23 269.6 269.7 265.4 271.2 0.53 9 906 837 -10.3 -24.3 31 14.0 -12.8 3 21 270.4 270.5 266.1 272.1 0.59 10 850 1325 -13.9 -22.9 47 9.0 -15.5 360 32 271.6 271.7 267.1 273.7 0.71 11 834 1469 -14.7 -22.7 51 8.0 -16.2 360 35 272.2 272.3 267.6 274.4 0.74 12 821 1588 -14.3 -24.3 42 10.0 -16.0 3 34 273.9 274.0 268.5 275.8 0.65 13 786 1918 -15.3 -30.3 27 15.0 -17.5 14 27 276.2 276.3 269.5 277.4 0.39 14 759 2180 -17.3 -29.3 34 12.0 -19.0 11 29 276.8 276.9 270.0 278.2 0.45 15 705 2729 -21.7 -34.7 30 13.0 -23.1 6 31 277.9 277.9 270.4 278.8 0.29 16 700 2781 -21.7 -37.7 22 16.0 -23.3 355 32 278.5 278.5 270.6 279.1 0.21 17 697 2813 -21.9 -39.9 18 18.0 -23.6 354 32 278.6 278.6 270.6 279.1 0.17 18 689 2897 -21.5 -46.5 9 25.0 -23.5 351 32 279.9 280.0 271.3 280.2 0.09 19 687 2919 -21.5 -44.5 11 23.0 -23.4 350 31 280.2 280.2 271.4 280.5 0.11 20 644 3391 -24.7 -49.7 8 25.0 -26.3 350 34 281.8 281.8 272.3 282.0 0.06 21 642 3414 -24.7 -49.7 8 25.0 -26.3 351 34 282.0 282.0 272.5 282.2 0.06 22 629 3562 -24.7 -53.7 5 29.0 -26.5 353 37 283.7 283.7 273.3 283.8 0.04 23 618 3691 -24.3 -47.3 10 23.0 -26.0 355 39 285.6 285.6 274.5 285.9 0.09 24 613 3750 -24.7 -46.7 11 22.0 -26.3 355 40 285.8 285.8 274.6 286.1 0.09 25 610 3785 -24.7 -41.7 19 17.0 -26.2 355 40 286.2 286.2 274.9 286.7 0.16 26 583 4113 -26.7 -45.7 15 19.0 -28.1 353 44 287.6 287.6 275.6 287.9 0.11 27 576 4200 -26.5 -47.5 12 21.0 -28.0 351 46 288.8 288.8 276.2 289.1 0.09 28 562 4377 -28.1 -50.1 10 22.0 -29.5 349 51 289.0 289.0 276.2 289.2 0.07 29 552 4505 -28.1 -54.1 6 26.0 -29.6 348 55 290.4 290.5 277.0 290.6 0.04 30 509 5084 -30.5 -48.5 16 18.0 -31.7 345 68 294.3 294.4 278.9 294.7 0.09 31 500 5210 -31.7 -48.7 17 17.0 -32.7 345 69 294.4 294.4 279.0 294.7 0.09 32 477 5541 -34.1 -47.1 26 13.0 -34.9 343 69 295.4 295.4 279.4 295.8 0.11 33 472 5615 -34.5 -52.5 14 18.0 -35.4 343 69 295.8 295.8 279.6 296.0 0.06 34 466 5704 -34.9 -53.9 13 19.0 -35.8 342 70 296.4 296.4 279.8 296.6 0.05 35 422 6387 -40.7 -54.7 21 14.0 -41.2 342 73 297.5 297.5 280.3 297.7 0.05 36 414 6517 -41.3 -54.3 23 13.0 -41.8 343 74 298.4 298.4 280.7 298.6 0.06 37 408 6616 -41.7 -55.7 20 14.0 -42.2 344 76 299.1 299.1 281.0 299.3 0.05 38 406 6649 -41.5 -57.5 16 16.0 -42.0 344 76 299.8 299.8 281.3 299.9 0.04 39 403 6699 -41.5 -61.5 10 20.0 -42.1 345 76 300.4 300.4 281.5 300.5 0.02 40 400 6750 -41.5 -59.5 13 18.0 -42.1 345 77 301.1 301.1 281.8 301.2 0.03 41 393 6870 -42.1 -60.1 12 18.0 -42.6 345 79 301.8 301.8 282.1 302.0 0.03 42 371 7258 -43.9 -61.9 12 18.0 -44.3 345 77 304.4 304.4 283.2 304.5 0.02 43 355 7553 -45.9 -60.9 17 15.0 -46.3 345 75 305.6 305.6 283.7 305.7 0.03 44 342 7800 -47.3 -62.3 16 15.0 -47.6 344 73 307.0 307.0 284.2 307.1 0.03 45 331 8016 -47.7 -65.7 11 18.0 -48.0 343 70 309.3 309.3 285.1 309.4 0.02 46 319 8259 -49.9 -65.9 14 16.0 -50.2 342 67 309.5 309.5 285.2 309.6 0.02 47 310 8446 -50.5 -67.5 12 17.0 -50.8 341 65 311.2 311.2 285.8 311.3 0.01 48 305 8552 -49.5 -69.5 8 20.0 -49.8 341 63 314.1 314.1 286.8 314.1 0.01 49 300 8660 -50.3 -70.3 8 20.0 -50.6 340 62 314.5 314.5 286.9 314.5 0.01 50 278 9155 -52.1 -72.1 7 20.0 -52.4 340 60 318.8 318.8 288.3 318.8 0.01 51 275 9225 -51.7 -71.7 7 20.0 -52.0 339 58 320.4 320.4 288.9 320.4 0.01 52 259 9612 -53.1 -73.1 7 20.0 -53.4 335 55 323.8 323.8 289.9 323.9 0.01 53 250 9840 -52.3 -75.3 5 23.0 -52.6 335 54 328.3 328.3 291.2 328.3 0.01 54 231 10355 -51.5 -76.5 3 25.0 -51.8 333 56 337.0 337.0 293.6 337.1 0.01 55 224 10557 -48.1 -78.1 2 30.0 -48.6 332 57 345.2 345.2 295.6 345.2 0.00 56 219 10707 -47.7 -77.7 2 30.0 -48.3 331 58 348.1 348.1 296.2 348.1 0.00 57 200 11310 -46.7 -78.7 1 32.0 -47.4 325 45 358.8 358.8 298.5 358.8 0.00 58 183 11898 -47.1 -80.1 1 33.0 -47.8 315 47 367.4 367.4 300.1 367.4 0.00 59 172 12311 -44.1 -79.1 1 35.0 -45.2 322 41 378.9 378.9 302.1 379.0 0.00 60 150 13220 -48.3 -81.3 1 33.0 -49.1 335 34 386.8 386.8 303.3 386.9 0.00 61 100 15880 -48.3 -81.3 1 33.0 -49.4 320 39 434.4 434.4 309.3 434.4 0.01 62 83 17109 -47.1 -81.1 1 34.0 -48.6 304 36 460.6 460.6 311.8 460.7 0.01 63 70 18230 -49.1 -82.1 1 33.0 -50.5 300 27 479.3 479.3 313.4 479.4 0.01 64 67 18517 -48.3 -82.3 1 34.0 -49.9 296 27 487.1 487.1 314.0 487.2 0.01 65 53 20044 -52.7 -83.7 1 31.0 -53.9 299 33 510.7 510.7 315.7 510.7 0.01 66 50 20420 -52.1 -84.1 1 32.0 -53.5 305 35 520.7 520.7 316.4 520.7 0.01 67 44 21249 -52.1 -84.1 1 32.0 -53.7 301 40 540.1 540.1 317.5 540.1 0.01 68 40 21870 -49.3 -83.3 1 34.0 -51.5 309 40 562.0 562.0 318.8 562.1 0.01 69 38 22206 -50.5 -83.5 1 33.0 -52.5 301 39 567.3 567.3 319.0 567.4 0.01 70 35 22745 -48.7 -82.7 1 34.0 -51.2 301 36 585.5 585.5 319.9 585.6 0.01 71 34 22936 -49.5 -83.5 1 34.0 -52.0 312 36 588.3 588.3 320.0 588.3 0.01 72 33 23132 -47.3 -82.3 1 35.0 -50.3 323 35 599.1 599.1 320.6 599.2 0.01 73 30 23760 -49.7 -82.7 1 33.0 -52.4 305 36 609.1 609.2 321.0 609.2 0.01 74 24 25201 -55.5 -86.5 1 31.0 -57.3 283 30 632.4 632.4 322.0 632.5 0.01 75 20 26370 -52.9 -84.9 1 32.0 -55.6 300 48 674.3 674.3 323.6 674.4 0.01 76 19 26701 -52.5 -84.5 1 32.0 -55.4 304 51 685.5 685.5 324.0 685.6 0.02 77 18 27050 -53.1 -85.1 1 32.0 -55.9 309 54 694.2 694.3 324.3 694.4 0.02 78 18 27050 -51.1 -85.1 1 34.0 -54.5 309 54 700.6 700.6 324.4 700.7 0.02 79 17 27420 -51.9 -84.9 1 33.0 -55.2 315 52 709.5 709.5 324.7 709.7 0.02 80 17 27420 -50.7 -84.7 1 34.0 -54.4 315 52 713.4 713.4 324.8 713.5 0.02 81 17 27420 -50.7 -84.7 1 34.0 -54.4 315 52 713.4 713.4 324.8 713.5 0.02 82 16 27814 -51.5 -84.5 1 33.0 -55.1 320 46 723.3 723.3 325.1 723.4 0.02 83 16 27814 -49.3 -84.3 1 35.0 -53.6 320 46 730.4 730.4 325.4 730.6 0.02 84 16 27814 -48.9 -82.9 1 34.0 -53.3 320 46 731.7 731.7 325.4 731.9 0.03 85 15 28238 -48.7 -82.7 1 34.0 -53.4 318 44 746.0 746.0 325.8 746.3 0.03 86 14 28690 -50.1 -84.1 1 34.0 -54.5 317 41 756.2 756.2 326.1 756.4 0.02 87 12 29697 -50.1 -84.1 1 34.0 -54.9 299 31 790.2 790.2 327.0 790.5 0.03 88 12 29697 -47.3 -83.3 1 36.0 -53.3 299 31 800.2 800.2 327.3 800.4 0.03 89 11 30270 -48.7 -82.7 1 34.0 -54.4 314 39 815.2 815.3 327.6 815.6 0.04 90 10 30890 -53.3 -85.3 1 32.0 -57.5 320 42 820.6 820.6 327.7 820.8 0.03 91 9.8 31020 -52.1 -85.1 1 33.0 -56.8 319 43 829.9 829.9 328.0 830.1 0.03 92 9.2 31428 -52.3 -85.3 1 33.0 -57.2 314 46 844.2 844.2 328.2 844.5 0.03 93 9.1 31499 -51.3 -85.3 1 34.0 -56.6 313 46 850.7 850.7 328.4 851.0 0.03 94 9.0 31571 -47.9 -83.9 1 36.0 -54.6 313 47 866.5 866.5 328.8 866.8 0.04 95 8.9 31645 -47.1 -83.1 1 36.0 -54.3 312 47 872.3 872.4 328.9 872.8 0.04 96 8.0 32354 -44.5 -81.5 1 37.0 -53.4 304 52 909.7 909.7 329.6 910.4 0.07 97 7.7 32608 -46.7 -81.7 1 35.0 -54.6 302 54 910.8 910.9 329.7 911.5 0.07 98 7.5 32782 -45.9 -81.9 1 36.0 -54.4 300 55 921.0 921.0 329.8 921.6 0.06 99 7.0 33240 -46.9 -81.9 1 35.0 -55.1 295 58 935.2 935.2 330.1 935.9 0.07 100 6.5 33729 -49.1 -83.1 1 34.0 -56.5 945.9 945.9 330.3 946.6 0.06 101 6.3 33934 -47.9 -82.9 1 35.0 -56.1 959.5 959.6 330.5 960.2 0.07 TRP 259 9612 -53.1 -73.1 7 20.0 -53.4 335 55 323.8 323.8 289.9 323.9 0.01 WND 393 6870 -42.1 -60.1 12 18.0 -42.6 345 79 301.8 301.8 282.1 302.0 0.03 Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 24.70 % Est. max temperature: -1.40 C = 29.48 F Sfc-Lift cond lev (LCL): 881.65 mb = 1045.58 m = 3430.34 ft T: -11.84 C 700-500 lapse rate: 4.12 C/km Conv cond level (CCL): 565.17 mb = 4336.33 m = 14226.63 ft Mean mixing ratio: 0.69 g/kg Conv temperature: 16.02 C = 60.83 F Cap Strength: 21.92 C Lifted Index: 21.83 C Risk: None Lifted Index @300 mb: 32.97 C Lifted Index @700 mb: 10.48 C Showalter Index: 17.26 C Risk: None Total Totals Index: 26.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 8.80 C K Index: -21.10 Risk: None Sweat Index: 133.00 Risk: None Energy Index: 4.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.87 J/kg Max Up Vert Vel: 7.73 m/s Conv Inhibition (B-): 72057.88 J/kg Cap Strength: 21.90 C Lift Cond Lev (LCL): 796.15 mb = 1820.49 m = 5972.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 22 at 30 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 1003 40 250 2 1.9 0.7 | 205 32 13.3 28.6 1 1000 80 345 3 0.8 -2.9 | 206 28 12.2 25.0 2 971 305 10 11 -1.9 -10.8 | 209 20 9.5 17.1 3 933 610 15 23 -6.0 -22.2 | 224 8 5.5 5.7 4 925 678 10 24 -4.2 -23.6 | 240 8 7.3 4.3 5 897 914 360 20 -0.0 -20.0 | 235 14 11.4 7.9 6 862 1219 360 24 -0.0 -24.0 | 251 12 11.4 3.9 7 850 1325 360 32 -0.0 -32.0 | 290 12 11.4 -4.1 8 828 1524 360 36 -0.0 -36.0 | 305 14 11.4 -8.1 9 795 1829 15 26 -6.7 -25.1 | 239 5 4.7 2.8 10 763 2134 10 29 -5.0 -28.6 | 276 6 6.4 -0.7 11 733 2438 15 29 -7.5 -28.0 | 272 4 3.9 -0.1 12 704 2743 5 31 -2.7 -30.9 | 289 9 8.7 -3.0 13 700 2781 355 32 2.8 -31.9 | 286 15 14.2 -4.0 14 675 3048 345 31 8.0 -29.9 | 276 20 19.4 -2.0 15 647 3353 350 33 5.7 -32.5 | 285 18 17.2 -4.6 16 620 3658 355 39 3.4 -38.9 | 306 18 14.8 -11.0 17 594 3962 355 41 3.6 -40.8 | 311 20 15.0 -12.9 18 570 4267 350 48 8.3 -47.3 | 314 28 19.8 -19.4 19 524 4877 345 67 17.3 -64.7 | 322 47 28.8 -36.8 20 500 5210 345 69 17.9 -66.6 | 323 49 29.3 -38.7 21 440 6096 340 70 23.9 -65.8 | 317 52 35.4 -37.9 22 400 6750 345 77 19.9 -74.4 | 326 56 31.3 -46.5 23 393 6870 345 79 20.4 -76.3 | 327 58 31.9 -48.4 24 385 7010 345 79 20.4 -76.3 | 327 58 31.9 -48.4 25 351 7620 345 75 19.4 -72.4 | 325 54 30.8 -44.5 26 300 8660 340 62 21.2 -58.3 | 313 45 32.6 -30.4 27 278 9144 340 60 20.5 -56.4 | 312 43 31.9 -28.5 28 266 9449 335 52 22.0 -47.1 | 300 39 33.4 -19.2 29 259 9612 335 55 23.2 -49.8 | 302 41 34.7 -21.9 30 250 9840 335 54 22.8 -48.9 | 302 40 34.2 -21.0 31 211 10973 330 59 29.5 -51.1 | 300 47 40.9 -23.2 32 200 11310 325 45 25.8 -36.9 | 284 38 37.2 -9.0 33 183 11887 315 47 33.2 -33.2 | 277 45 44.7 -5.3 34 167 12497 325 39 22.4 -31.9 | 277 34 33.8 -4.0 35 160 12802 315 32 22.6 -22.6 | 261 34 34.0 5.3 36 150 13220 335 34 14.4 -30.8 | 276 26 25.8 -2.9 37 139 13716 340 30 10.3 -28.2 | 271 22 21.7 -0.3 38 133 14021 310 33 25.3 -21.2 | 260 37 36.7 6.7 39 115 14935 325 43 24.7 -35.2 | 281 37 36.1 -7.3 40 110 15240 310 31 23.7 -19.9 | 257 36 35.2 8.0 41 100 15850 310 46 35.2 -29.6 | 272 47 46.7 -1.7 42 100 15880 320 39 25.1 -29.9 | 273 37 36.5 -2.0 43 96 16154 320 39 25.1 -29.9 | 273 37 36.5 -2.0 44 92 16459 325 42 24.1 -34.4 | 280 36 35.5 -6.5 45 87 16764 290 46 43.2 -15.7 | 257 56 54.6 12.2 46 83 17069 305 36 29.5 -20.6 | 260 42 40.9 7.3 47 73 17983 285 30 29.0 -7.8 | 244 45 40.4 20.1 48 70 18230 300 27 23.4 -13.5 | 248 38 34.8 14.4 49 69 18288 300 31 26.8 -15.5 | 252 40 38.3 12.4 50 66 18593 295 26 23.6 -11.0 | 244 39 35.0 16.9 51 63 18898 280 31 30.5 -5.4 | 242 48 41.9 22.5 52 60 19202 305 31 25.4 -17.8 | 255 38 36.8 10.1 53 55 19812 310 41 31.4 -26.4 | 268 43 42.8 1.5 54 52 20117 295 31 28.1 -13.1 | 249 42 39.5 14.8 55 50 20420 305 35 28.7 -20.1 | 259 41 40.1 7.8 56 50 20422 290 42 39.5 -14.4 | 255 53 50.9 13.5 57 48 20726 305 35 28.7 -20.1 | 259 41 40.1 7.8 58 43 21336 300 41 35.5 -20.5 | 261 48 46.9 7.4 59 40 21946 310 40 30.6 -25.7 | 267 42 42.1 2.2 60 36 22555 290 37 34.8 -12.7 | 252 49 46.2 15.2 61 33 23165 325 35 20.1 -28.7 | 271 32 31.5 -0.8 62 31 23470 295 45 40.8 -19.0 | 260 53 52.2 8.9 63 30 23760 305 36 29.5 -20.6 | 260 42 40.9 7.3 64 29 24079 305 36 29.5 -20.6 | 260 42 40.9 7.3 65 27 24384 300 31 26.8 -15.5 | 252 40 38.3 12.4 66 25 24994 275 22 21.9 -1.9 | 232 42 33.3 26.0 67 23 25603 300 45 39.0 -22.5 | 264 51 50.4 5.4 68 20 26213 290 49 46.0 -16.8 | 259 59 57.5 11.1 69 20 26370 300 48 41.6 -24.0 | 266 53 53.0 3.9 70 18 27127 310 55 42.1 -35.4 | 278 54 53.6 -7.5 71 17 27432 315 52 36.8 -36.8 | 280 49 48.2 -8.9 72 16 27737 320 47 30.2 -36.0 | 281 42 41.6 -8.1 73 13 29261 315 37 26.2 -26.2 | 267 38 37.6 1.7 74 12 29566 290 26 24.4 -8.9 | 242 41 35.9 19.0 75 12 29870 310 37 28.3 -23.8 | 264 40 39.8 4.1 76 10 30890 320 42 27.0 -32.2 | 276 39 38.4 -4.3 77 7 33240 295 58 52.6 -24.5 | 267 64 64.0 3.4 Wind Parameters Mean winds (0-6000m): 352.3 at 40.2 knts Storm direction: 22.3 at 30.1 knts Shear (0-3000m) pos: 5.2 neg: 3.3 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 86.6 neg: -30.5 tot: 56.1 m^2/s^2 ave: 18.7 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 13.9 stream: 2.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.25 Bulk Shear: 118.37 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 11 209 20| 22.1 0.0 22.1| 24.6 0.0 24.6 49.3 0.21| 22.2 4.6 1000 8 17 219 15| 11.0 2.7 13.7| 36.2 -1.4 34.9 34.9 0.26| 16.5 4.3 1500 4 21 234 12| 12.0 1.8 13.8| 78.8 -1.4 77.5 51.6 0.47| 15.8 7.5 2000 6 23 241 10| 7.5 1.3 8.8| 82.4 -16.3 66.1 33.0 0.27| 15.6 4.2 2500 7 24 244 9| 6.3 1.1 7.4| 85.1 -16.8 68.3 27.3 0.27| 13.6 3.7 3000 5 25 253 9| 5.2 3.3 8.5| 86.6 -30.5 56.1 18.7 0.19| 13.9 2.6 4000 1 28 271 11| 5.6 2.4 8.0|142.9 -30.5 112.4 28.1 0.28| 12.2 3.5 5000 356 34 294 15| 4.5 4.2 8.7|195.5 -30.5 165.0 33.0 0.27| 12.5 3.4 6000 352 40 305 21| 3.7 3.9 7.6|198.4 -93.2 105.3 17.5 0.22| 11.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251219.00.gif