UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 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 33 165 2 SFC 997 40 -11.7 -20.7 47 9.0 -13.3 165 2 261.7 261.8 260.0 263.7 0.74 2 995 56 -9.9 -20.9 40 11.0 -12.0 156 3 263.6 263.7 261.5 265.7 0.73 3 966 291 -9.5 -22.5 34 13.0 -11.9 18 12 266.3 266.4 263.3 268.1 0.65 4 936 541 -10.9 -25.9 28 15.0 -13.4 25 22 267.3 267.3 263.7 268.7 0.49 5 931 583 -11.1 -25.1 30 14.0 -13.5 28 24 267.5 267.6 263.9 269.0 0.53 6 928 608 -10.5 -23.5 34 13.0 -12.8 30 25 268.3 268.4 264.7 270.1 0.62 7 925 634 -10.3 -25.3 28 15.0 -12.9 35 25 268.8 268.9 264.8 270.3 0.53 8 921 667 -9.9 -29.9 18 20.0 -13.0 34 28 269.5 269.6 265.0 270.6 0.35 9 912 743 -8.1 -34.1 10 26.0 -11.9 31 33 272.1 272.2 266.6 272.8 0.23 10 907 786 -8.3 -34.3 10 26.0 -12.1 30 36 272.3 272.4 266.7 273.1 0.23 11 898 863 -7.9 -36.9 8 29.0 -11.9 27 42 273.5 273.6 267.4 274.1 0.18 12 896 881 -6.9 -39.9 5 33.0 -11.3 26 44 274.7 274.8 268.1 275.2 0.13 13 889 942 -5.9 -41.9 4 36.0 -10.6 24 45 276.4 276.4 269.1 276.7 0.11 14 880 1022 -5.7 -41.7 4 36.0 -10.5 20 42 277.4 277.4 269.8 277.8 0.11 15 862 1183 -6.1 -42.1 4 36.0 -10.9 12 37 278.6 278.7 270.5 279.0 0.11 16 850 1293 -5.5 -37.5 6 32.0 -10.4 10 32 280.4 280.4 271.7 281.0 0.18 17 847 1321 -5.3 -37.3 6 32.0 -10.3 12 30 280.9 280.9 272.0 281.5 0.18 18 835 1432 -6.1 -37.1 7 31.0 -10.9 19 24 281.2 281.2 272.2 281.8 0.19 19 820 1574 -5.9 -33.9 9 28.0 -10.6 27 19 282.9 282.9 273.3 283.7 0.27 20 793 1836 -6.9 -33.9 10 27.0 -11.5 40 19 284.5 284.6 274.2 285.4 0.27 21 727 2505 -12.7 -29.7 23 17.0 -15.6 26 25 285.3 285.4 274.9 286.7 0.45 22 700 2793 -14.5 -27.5 32 13.0 -16.8 30 28 286.4 286.5 275.7 288.2 0.57 23 699 2804 -14.5 -27.5 32 13.0 -16.8 30 28 286.5 286.6 275.8 288.3 0.57 24 694 2858 -14.1 -28.1 30 14.0 -16.6 28 28 287.6 287.7 276.3 289.3 0.54 25 667 3157 -16.1 -28.1 35 12.0 -18.1 21 25 288.6 288.7 276.9 290.4 0.57 26 637 3501 -18.5 -31.5 31 13.0 -20.4 17 23 289.7 289.8 277.2 291.1 0.43 27 538 4736 -27.5 -34.5 51 7.0 -28.3 10 29 293.3 293.4 278.9 294.6 0.38 28 532 4817 -27.1 -35.1 47 8.0 -28.0 5 28 294.7 294.8 279.5 295.9 0.36 29 524 4926 -27.9 -35.9 46 8.0 -28.7 360 28 295.0 295.1 279.6 296.2 0.34 30 514 5063 -28.9 -35.9 51 7.0 -29.6 360 30 295.5 295.5 279.8 296.6 0.35 31 504 5203 -29.9 -38.9 41 9.0 -30.7 360 33 295.9 296.0 279.9 296.8 0.26 32 500 5260 -30.5 -39.5 41 9.0 -31.3 360 34 295.9 295.9 279.8 296.7 0.25 33 486 5462 -32.1 -37.1 61 5.0 -32.6 351 35 296.3 296.4 280.2 297.4 0.33 34 481 5536 -32.5 -39.5 50 7.0 -33.1 351 36 296.7 296.7 280.3 297.6 0.26 35 477 5595 -32.9 -38.9 55 6.0 -33.4 353 37 296.9 296.9 280.4 297.8 0.28 36 460 5851 -34.5 -43.5 40 9.0 -35.1 359 40 298.0 298.0 280.7 298.6 0.18 37 439 6178 -36.7 -45.7 39 9.0 -37.2 354 40 299.2 299.2 281.2 299.7 0.15 38 400 6820 -40.7 -51.7 30 11.0 -41.2 360 52 302.1 302.1 282.3 302.4 0.08 39 379 7185 -42.9 -55.9 23 13.0 -43.3 2 58 303.9 303.9 283.0 304.1 0.05 40 371 7328 -43.7 -55.7 25 12.0 -44.1 3 60 304.7 304.7 283.4 304.9 0.05 41 357 7585 -45.7 -53.7 40 8.0 -46.0 5 64 305.4 305.4 283.7 305.6 0.07 42 348 7755 -47.1 -57.1 31 10.0 -47.4 4 66 305.7 305.7 283.7 305.9 0.05 43 334 8025 -49.3 -59.3 30 10.0 -49.6 3 70 306.3 306.3 284.0 306.5 0.04 44 324 8223 -50.7 -57.7 43 7.0 -50.8 2 72 307.1 307.1 284.2 307.2 0.05 45 323 8243 -50.9 -57.9 43 7.0 -51.1 2 72 307.1 307.1 284.2 307.2 0.05 46 317 8365 -51.7 -61.7 29 10.0 -51.9 2 74 307.6 307.6 284.4 307.7 0.03 47 300 8720 -54.1 -62.1 37 8.0 -54.2 360 78 309.1 309.1 285.0 309.2 0.03 48 296 8806 -54.7 -63.7 32 9.0 -54.8 360 79 309.4 309.4 285.1 309.5 0.02 49 291 8915 -55.1 -62.1 42 7.0 -55.2 360 80 310.4 310.4 285.5 310.5 0.03 50 289 8959 -55.3 -62.9 38 7.6 -55.4 360 81 310.7 310.7 285.6 310.8 0.03 51 284 9071 -55.9 -64.9 32 9.0 -56.0 360 81 311.4 311.4 285.8 311.5 0.02 52 280 9161 -55.9 -68.9 18 13.0 -56.1 359 80 312.7 312.7 286.3 312.7 0.01 53 277 9230 -56.3 -69.3 18 13.0 -56.5 355 74 313.0 313.0 286.4 313.1 0.01 54 266 9489 -53.3 -76.3 4 23.0 -53.5 353 62 321.1 321.1 289.1 321.1 0.00 55 265 9513 -53.1 -76.1 4 23.0 -53.4 352 60 321.7 321.7 289.3 321.7 0.00 56 253 9813 -52.3 -76.3 4 24.0 -52.6 350 46 327.2 327.2 290.9 327.2 0.00 57 250 9890 -52.7 -76.7 4 24.0 -53.0 350 43 327.7 327.7 291.0 327.7 0.00 58 200 11350 -48.3 -79.3 2 31.0 -48.9 290 33 356.3 356.3 298.0 356.3 0.00 59 150 13250 -48.9 -81.9 1 33.0 -49.6 290 38 385.8 385.8 303.2 385.8 0.00 60 100 15940 -46.9 -81.9 1 35.0 -48.2 270 33 437.1 437.1 309.6 437.1 0.00 61 97 16142 -45.9 -81.9 1 36.0 -47.3 270 33 442.9 442.9 310.1 442.9 0.01 62 74 17934 -48.1 -83.1 1 35.0 -49.6 268 35 473.9 473.9 313.0 473.9 0.01 63 70 18300 -47.9 -82.9 1 35.0 -49.5 280 36 481.9 481.9 313.6 481.9 0.01 64 50 20530 -46.1 -82.1 1 36.0 -48.6 295 25 534.8 534.8 317.2 534.9 0.01 65 44 21381 -44.7 -81.7 1 37.0 -47.8 268 31 558.2 558.2 318.5 558.2 0.01 66 35 22905 -46.1 -82.1 1 36.0 -49.3 289 32 592.3 592.3 320.3 592.4 0.01 67 30 23920 -49.9 -83.9 1 34.0 -52.5 300 37 608.6 608.6 321.0 608.7 0.01 68 26 24852 -51.1 -85.1 1 34.0 -53.7 320 38 630.6 630.6 321.9 630.7 0.01 69 23 25651 -49.7 -84.7 1 35.0 -52.9 318 38 657.2 657.2 323.0 657.3 0.01 70 22 25940 -51.5 -85.5 1 34.0 -54.4 320 42 660.3 660.3 323.1 660.4 0.01 71 20 26560 -50.1 -85.1 1 35.0 -53.5 340 45 682.8 682.8 323.9 682.9 0.01 72 19 26896 -49.5 -84.5 1 35.0 -53.2 335 48 694.8 694.8 324.3 694.9 0.02 73 15 28439 -50.9 -84.9 1 34.0 -54.8 332 40 738.7 738.7 325.6 738.9 0.02 74 14 28886 -53.1 -86.1 1 33.0 -56.5 326 37 746.0 746.0 325.8 746.1 0.02 75 11 30453 -49.5 -84.5 1 35.0 -54.9 328 34 812.3 812.3 327.5 812.6 0.03 TRP 277 9230 -56.3 -69.3 18 13.0 -56.5 355 74 313.0 313.0 286.4 313.1 0.01 WND 289 8959 -55.3 -62.9 38 7.6 -55.4 360 81 310.7 310.7 285.6 310.8 0.03 Sounding variables and indices 1000-500 mb thick: 5227.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 28.36 % Est. max temperature: 7.49 C = 45.48 F Sfc-Lift cond lev (LCL): 861.88 mb = 1184.40 m = 3885.77 ft T: -6.09 C 700-500 lapse rate: 6.49 C/km Conv cond level (CCL): 480.62 mb = 5541.27 m = 18179.81 ft Mean mixing ratio: 0.52 g/kg Conv temperature: 23.30 C = 73.94 F Cap Strength: 22.11 C Lifted Index: 21.98 C Risk: None Lifted Index @300 mb: 28.26 C Lifted Index @700 mb: 16.62 C Showalter Index: 12.66 C Risk: None Total Totals Index: 18.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: -7.00 C K Index: -25.50 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.37 J/kg Max Up Vert Vel: 8.53 m/s Conv Inhibition (B-): 76612.50 J/kg Cap Strength: 22.09 C Lift Cond Lev (LCL): 734.32 mb = 2428.19 m = 7966.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 45 at 21 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 ---------------------------------------------------------- 0 997 40 165 2 -0.5 1.9 | 220 22 14.0 16.5 1 964 305 10 13 -2.3 -12.8 | 262 12 12.2 1.8 2 928 610 30 25 -12.5 -21.7 | 344 7 2.0 -7.0 3 925 634 35 25 -14.3 -20.5 | 358 6 0.2 -5.9 4 892 914 25 46 -19.4 -41.7 | 10 28 -4.9 -27.1 5 858 1219 10 36 -6.3 -35.5 | 338 22 8.3 -20.8 6 850 1293 10 32 -5.6 -31.5 | 332 19 9.0 -16.9 7 825 1524 25 19 -8.0 -17.2 | 292 7 6.5 -2.6 8 793 1829 40 19 -12.2 -14.6 | 269 2 2.3 0.1 9 762 2134 20 28 -9.6 -26.3 | 337 13 4.9 -11.7 10 733 2438 25 24 -10.1 -21.8 | 329 8 4.4 -7.1 11 705 2743 30 27 -13.5 -23.4 | 353 9 1.0 -8.8 12 700 2793 30 28 -14.0 -24.2 | 357 10 0.5 -9.6 13 649 3353 15 24 -6.2 -23.2 | 316 12 8.3 -8.6 14 622 3658 20 21 -7.2 -19.7 | 305 9 7.3 -5.1 15 573 4267 15 28 -7.2 -27.0 | 330 14 7.3 -12.4 16 549 4572 20 30 -10.3 -28.2 | 343 14 4.2 -13.6 17 527 4877 360 27 -0.0 -27.0 | 310 19 14.5 -12.4 18 500 5260 360 34 -0.0 -34.0 | 323 24 14.5 -19.4 19 484 5486 350 35 6.1 -34.5 | 314 29 20.6 -19.9 20 463 5791 360 40 -0.0 -40.0 | 330 29 14.5 -25.4 21 444 6096 355 39 3.4 -38.9 | 324 30 17.9 -24.2 22 425 6401 350 43 7.5 -42.3 | 322 35 22.0 -27.7 23 400 6820 360 52 -0.0 -52.0 | 339 40 14.5 -37.4 24 354 7620 5 65 -5.7 -64.8 | 350 51 8.8 -50.1 25 300 8720 360 78 -0.0 -78.0 | 347 65 14.5 -63.4 26 289 8959 360 81 -0.0 -81.0 | 348 68 14.5 -66.4 27 281 9144 360 81 -0.0 -81.0 | 348 68 14.5 -66.4 28 277 9230 355 74 6.4 -73.7 | 340 63 21.0 -59.1 29 255 9754 350 49 8.5 -48.3 | 326 41 23.0 -33.6 30 250 9890 350 43 7.5 -42.3 | 322 35 22.0 -27.7 31 212 10973 330 26 13.0 -22.5 | 286 29 27.5 -7.9 32 202 11278 300 27 23.4 -13.5 | 268 38 37.9 1.1 33 200 11350 290 33 31.0 -11.3 | 266 46 45.5 3.3 34 193 11582 290 33 31.0 -11.3 | 266 46 45.5 3.3 35 184 11887 310 35 26.8 -22.5 | 281 42 41.3 -7.9 36 176 12192 320 26 16.7 -19.9 | 280 32 31.2 -5.3 37 168 12497 285 24 23.2 -6.2 | 257 39 37.7 8.4 38 161 12802 300 20 17.3 -10.0 | 262 32 31.8 4.6 39 150 13250 290 38 35.7 -13.0 | 268 50 50.2 1.6 40 140 13716 290 41 38.5 -14.0 | 269 53 53.0 0.6 41 134 14021 280 35 34.5 -6.1 | 260 50 49.0 8.5 42 128 14326 295 40 36.3 -16.9 | 273 51 50.8 -2.3 43 116 14935 265 38 37.9 3.3 | 251 55 52.4 17.9 44 111 15240 275 34 33.9 -3.0 | 256 50 48.4 11.6 45 101 15850 260 34 33.5 5.9 | 247 52 48.0 20.5 46 100 15940 270 33 33.0 -0.0 | 253 50 47.5 14.6 47 97 16154 270 33 33.0 -0.0 | 253 50 47.5 14.6 48 88 16764 270 25 25.0 -0.0 | 250 42 39.5 14.6 49 81 17374 270 36 36.0 -0.0 | 254 53 50.5 14.6 50 77 17678 280 23 22.7 -4.0 | 254 39 37.2 10.6 51 73 17983 265 38 37.9 3.3 | 251 55 52.4 17.9 52 70 18288 275 39 38.9 -3.4 | 258 55 53.4 11.2 53 70 18300 280 36 35.5 -6.3 | 260 51 50.0 8.4 54 58 19507 285 45 43.5 -11.6 | 267 58 58.0 3.0 55 53 20117 310 32 24.5 -20.6 | 279 39 39.0 -6.0 56 50 20530 295 25 22.7 -10.6 | 264 37 37.2 4.0 57 49 20726 295 25 22.7 -10.6 | 264 37 37.2 4.0 58 46 21031 295 24 21.8 -10.1 | 263 37 36.3 4.5 59 44 21336 265 31 30.9 2.7 | 249 49 45.4 17.3 60 40 21946 305 25 20.5 -14.3 | 270 35 35.0 0.3 61 39 22250 275 25 24.9 -2.2 | 252 41 39.4 12.4 62 37 22555 295 39 35.3 -16.5 | 272 50 49.9 -1.9 63 34 23165 285 26 25.1 -6.7 | 259 40 39.6 7.9 64 32 23470 315 29 20.5 -20.5 | 280 36 35.0 -5.9 65 30 23920 300 37 32.0 -18.5 | 275 47 46.6 -3.9 66 28 24384 305 40 32.8 -22.9 | 280 48 47.3 -8.3 67 25 24994 325 38 21.8 -31.1 | 294 40 36.3 -16.5 68 24 25298 315 34 24.0 -24.0 | 284 40 38.5 -9.4 69 20 26518 325 49 28.1 -40.1 | 301 50 42.6 -25.5 70 20 26560 340 45 15.4 -42.3 | 313 41 29.9 -27.7 71 18 26822 330 51 25.5 -44.2 | 306 50 40.0 -29.6 72 16 27127 340 43 14.7 -40.4 | 311 39 29.2 -25.8 73 14 27432 325 38 21.8 -31.1 | 294 40 36.3 -16.5 74 13 27737 330 31 15.5 -26.8 | 292 32 30.0 -12.2 75 9 28651 325 40 22.9 -32.8 | 296 42 37.5 -18.2 76 8 28956 345 43 11.1 -41.5 | 316 37 25.6 -26.9 77 7 29261 350 38 6.6 -37.4 | 317 31 21.1 -22.8 78 6 29566 325 36 20.6 -29.5 | 293 38 35.2 -14.9 79 5 30175 330 37 18.5 -32.0 | 298 37 33.0 -17.4 Wind Parameters Mean winds (0-6000m): 14.8 at 27.5 knts Storm direction: 44.8 at 20.6 knts Shear (0-3000m) pos: 3.0 neg: 7.7 tot: 10.7 10-3/s Storm rel Dir Shear (0-3000m): 116.4 deg Storm rel helicity (0-3000m) pos: 78.2 neg: -155.3 tot: -77.1 m^2/s^2 ave: -25.7 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 20.3 stream: 0.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.18 Bulk Shear: 30.74 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 18 12 254 11| 0.0 24.5 24.5| 52.9 -22.9 30.0 60.0 0.49| 33.0 16.2 1000 25 24 328 8| 0.0 22.4 22.4| 66.2 -63.8 2.5 2.5 0.26| 32.6 8.6 1500 21 26 333 11| 7.9 14.9 22.9| 66.2-142.6 -76.4 -51.0 -0.00| 30.9 -0.1 2000 23 25 330 9| 4.4 11.2 15.6| 70.0-143.7 -73.7 -36.8 0.03| 26.4 0.7 2500 23 25 331 10| 3.6 9.0 12.6| 72.7-147.7 -75.0 -30.0 0.02| 23.1 0.5 3000 24 25 334 10| 3.0 7.7 10.7| 78.2-155.3 -77.1 -25.7 0.02| 20.3 0.3 4000 23 25 330 10| 2.2 5.7 8.0| 86.9-171.8 -84.9 -21.2 -0.00| 16.8 -0.1 5000 20 26 329 11| 1.4 4.7 6.1|109.6-206.2 -96.6 -19.3 -0.02| 15.2 -0.3 6000 15 27 328 14| 0.9 4.4 5.3|175.1-245.5 -70.5 -11.7 0.00| 14.3 0.1 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251209.12.gif