UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:0000Z 31 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 29 355 3 SFC 997 40 -9.7 -14.7 67 5.0 -10.8 355 3 263.7 263.9 262.5 267.0 1.22 2 995 56 -9.3 -15.3 62 6.0 -10.6 357 4 264.2 264.4 262.8 267.4 1.17 3 952 403 -11.9 -16.8 67 4.9 -12.9 19 20 265.0 265.1 263.2 267.9 1.08 4 943 477 -11.1 -16.1 67 5.0 -12.2 10 24 266.5 266.7 264.4 269.7 1.15 5 931 577 -11.5 -14.9 76 3.4 -12.3 359 29 267.1 267.3 265.1 270.6 1.29 6 929 594 -11.5 -14.9 76 3.4 -12.3 357 29 267.2 267.4 265.2 270.8 1.29 7 925 628 -11.7 -15.2 75 3.5 -12.5 355 30 267.3 267.6 265.2 270.9 1.27 8 918 686 -10.5 -15.5 67 5.0 -11.6 356 28 269.2 269.4 266.4 272.6 1.24 9 908 771 -8.9 -13.8 68 4.9 -10.2 358 24 271.6 271.9 268.5 275.7 1.45 10 906 788 -8.1 -14.1 62 6.0 -9.6 358 24 272.6 272.9 269.1 276.6 1.42 11 898 857 -4.9 -9.7 69 4.8 -6.4 359 21 276.6 277.0 272.5 282.4 2.04 12 881 1007 -5.5 -9.3 75 3.8 -6.7 3 18 277.5 277.9 273.2 283.6 2.14 13 870 1106 -4.5 -7.8 78 3.3 -5.6 6 17 279.6 280.0 274.8 286.5 2.44 14 850 1289 -5.3 -7.9 82 2.6 -6.2 15 18 280.6 281.0 275.4 287.6 2.48 15 833 1447 -5.9 -7.3 90 1.4 -6.4 15 16 281.6 282.0 276.2 289.1 2.65 16 825 1523 -5.1 -8.1 79 3.0 -6.1 15 15 283.2 283.6 276.9 290.4 2.51 17 790 1862 -7.9 -8.7 94 0.8 -8.2 341 9 283.7 284.2 277.2 291.0 2.50 18 786 1901 -8.1 -10.3 84 2.2 -8.8 343 8 283.9 284.3 276.9 290.4 2.22 19 769 2071 -8.5 -12.1 75 3.6 -9.6 352 7 285.3 285.6 277.2 291.1 1.96 20 760 2162 -9.1 -12.0 79 2.9 -10.0 353 6 285.6 286.0 277.4 291.5 2.00 21 754 2224 -9.3 -13.7 70 4.4 -10.6 348 7 286.0 286.3 277.3 291.2 1.76 22 752 2244 -9.5 -13.9 70 4.4 -10.8 346 7 286.0 286.3 277.2 291.2 1.73 23 732 2452 -10.9 -13.2 83 2.3 -11.6 329 8 286.7 287.1 277.8 292.3 1.89 24 713 2654 -12.1 -15.5 76 3.4 -13.0 302 6 287.6 287.8 277.8 292.4 1.60 25 700 2794 -13.5 -16.0 81 2.5 -14.2 290 7 287.5 287.8 277.7 292.2 1.57 26 699 2805 -13.5 -15.8 83 2.3 -14.1 291 7 287.7 287.9 277.9 292.4 1.59 27 668 3147 -16.3 -18.8 81 2.5 -16.9 296 10 288.3 288.5 277.7 292.2 1.30 28 634 3538 -18.5 -23.5 65 5.0 -19.5 259 10 290.1 290.3 278.1 292.9 0.91 29 579 4206 -24.5 -25.7 90 1.2 -24.7 217 8 290.7 290.9 278.3 293.3 0.81 30 566 4371 -25.7 -27.9 82 2.2 -26.0 226 8 291.2 291.3 278.3 293.3 0.68 31 559 4460 -26.1 -27.7 86 1.6 -26.3 228 9 291.8 291.9 278.6 294.0 0.70 32 555 4512 -26.3 -29.0 78 2.7 -26.7 229 10 292.1 292.2 278.7 294.1 0.63 33 552 4551 -26.1 -30.6 66 4.5 -26.7 229 11 292.8 292.9 278.9 294.6 0.54 34 540 4710 -26.7 -31.6 63 4.9 -27.3 242 11 293.9 294.0 279.4 295.6 0.50 35 535 4777 -27.3 -31.6 67 4.3 -27.9 249 10 294.0 294.1 279.4 295.7 0.51 36 522 4954 -28.5 -34.5 56 6.0 -29.2 265 9 294.6 294.7 279.5 295.9 0.39 37 500 5260 -31.1 -34.7 71 3.6 -31.5 290 6 295.1 295.2 279.7 296.4 0.40 38 490 5403 -32.5 -34.9 79 2.4 -32.7 277 5 295.1 295.2 279.7 296.4 0.40 39 484 5490 -33.1 -36.9 69 3.8 -33.4 269 5 295.4 295.5 279.8 296.5 0.33 40 478 5578 -33.9 -37.2 72 3.3 -34.2 261 4 295.5 295.5 279.8 296.6 0.33 41 474 5637 -34.3 -36.2 83 1.9 -34.5 255 4 295.7 295.8 280.0 296.9 0.37 42 472 5667 -34.5 -37.4 75 2.9 -34.7 252 4 295.8 295.9 280.0 296.9 0.33 43 470 5696 -34.9 -37.2 79 2.3 -35.1 250 4 295.7 295.7 279.9 296.8 0.33 44 461 5831 -36.1 -38.4 79 2.3 -36.3 244 4 295.8 295.9 279.9 296.8 0.30 45 457 5892 -36.5 -39.8 71 3.3 -36.7 251 5 296.1 296.1 280.0 296.9 0.26 46 451 5984 -36.9 -38.3 87 1.4 -37.0 261 7 296.7 296.7 280.3 297.7 0.31 47 445 6076 -37.1 -39.7 77 2.6 -37.3 272 8 297.6 297.6 280.7 298.5 0.27 48 439 6170 -38.1 -39.8 84 1.7 -38.2 279 12 297.5 297.5 280.6 298.4 0.27 49 437 6202 -38.3 -40.6 79 2.3 -38.5 282 13 297.6 297.6 280.7 298.4 0.25 50 435 6233 -38.5 -42.9 63 4.4 -38.8 284 14 297.7 297.8 280.6 298.4 0.20 51 434 6249 -38.5 -47.5 38 9.0 -38.9 285 15 297.9 297.9 280.6 298.3 0.12 52 433 6265 -38.3 -53.3 19 15.0 -38.9 286 15 298.4 298.4 280.7 298.6 0.06 53 431 6297 -38.1 -58.1 10 20.0 -38.8 288 17 299.0 299.0 281.0 299.1 0.03 54 400 6810 -40.1 -66.1 5 26.0 -40.8 330 19 302.9 302.9 282.5 302.9 0.01 55 348 7750 -44.3 -68.3 5 24.0 -44.8 350 30 309.5 309.5 285.1 309.5 0.01 56 300 8740 -45.7 -70.7 4 25.0 -46.2 330 26 320.9 320.9 289.0 321.0 0.01 57 250 9960 -44.3 -75.3 2 31.0 -45.0 315 12 340.2 340.2 294.4 340.2 0.01 58 200 11470 -41.5 -78.5 1 37.0 -42.7 315 14 367.1 367.1 300.0 367.1 0.00 59 150 13400 -42.7 -79.7 1 37.0 -44.0 305 7 396.5 396.5 304.7 396.5 0.00 60 100 16090 -48.9 -82.9 1 34.0 -50.0 285 14 433.2 433.2 309.2 433.3 0.00 61 82 17382 -51.5 -84.5 1 33.0 -52.5 191 4 453.2 453.2 311.1 453.2 0.00 62 79 17624 -50.1 -84.1 1 34.0 -51.2 166 2 461.0 461.0 311.8 461.0 0.00 63 75 17962 -51.5 -84.5 1 33.0 -52.5 234 9 464.9 464.9 312.2 465.0 0.00 64 73 18137 -50.1 -84.1 1 34.0 -51.3 248 11 471.5 471.5 312.8 471.5 0.00 65 70 18410 -51.3 -84.3 1 33.0 -52.4 260 21 474.6 474.6 313.0 474.7 0.00 66 67 18694 -52.5 -85.5 1 33.0 -53.5 257 21 478.0 478.0 313.3 478.0 0.00 67 63 19094 -51.1 -85.1 1 34.0 -52.4 272 17 489.6 489.6 314.2 489.6 0.00 68 59 19520 -52.7 -85.7 1 33.0 -53.8 280 16 495.3 495.3 314.6 495.3 0.00 69 57 19743 -52.3 -85.3 1 33.0 -53.5 276 16 501.1 501.1 315.0 501.1 0.00 70 50 20590 -52.9 -85.9 1 33.0 -54.2 250 8 518.8 518.8 316.2 518.8 0.00 71 43 21557 -54.3 -86.3 1 32.0 -55.6 247 20 538.2 538.2 317.4 538.3 0.01 72 42 21708 -53.1 -86.1 1 33.0 -54.5 257 23 544.8 544.8 317.8 544.9 0.01 73 39 22183 -54.7 -86.7 1 32.0 -56.0 268 18 552.5 552.5 318.2 552.5 0.01 74 36 22697 -52.3 -86.3 1 34.0 -54.1 292 15 571.5 571.5 319.2 571.5 0.01 75 30 23870 -53.7 -86.7 1 33.0 -55.5 280 18 598.2 598.2 320.5 598.3 0.01 76 29 24088 -53.9 -86.9 1 33.0 -55.7 284 20 603.5 603.5 320.7 603.6 0.01 77 28 24314 -52.3 -86.3 1 34.0 -54.5 289 21 614.1 614.1 321.2 614.1 0.01 78 22 25867 -54.5 -86.5 1 32.0 -56.6 277 25 651.4 651.4 322.7 651.4 0.01 79 20 26480 -52.9 -85.9 1 33.0 -55.6 295 20 674.3 674.3 323.6 674.3 0.01 80 19 26810 -54.5 -86.5 1 32.0 -56.9 291 19 679.2 679.2 323.7 679.3 0.01 81 16 27917 -51.9 -85.9 1 34.0 -55.4 296 21 721.9 722.0 325.1 722.1 0.02 82 16 27917 -52.7 -86.7 1 34.0 -55.9 296 21 719.3 719.3 325.0 719.4 0.01 83 16 27917 -50.9 -85.9 1 35.0 -54.7 296 21 725.2 725.2 325.2 725.3 0.02 84 13 29261 -53.3 -86.3 1 33.0 -56.9 325 20 761.3 761.3 326.3 761.4 0.02 85 10 30960 -50.9 -85.9 1 35.0 -56.1 320 30 829.5 829.6 328.0 829.8 0.02 86 9.8 31091 -50.5 -85.5 1 35.0 -55.9 319 30 835.9 835.9 328.1 836.1 0.03 87 8.8 31790 -51.7 -85.7 1 34.0 -56.9 315 32 857.3 857.4 328.5 857.6 0.03 88 8.3 32169 -51.1 -86.1 1 35.0 -56.8 312 33 874.2 874.2 328.9 874.4 0.03 89 7.6 32746 -47.1 -84.1 1 37.0 -54.9 308 34 912.6 912.6 329.7 913.1 0.04 90 7.5 32833 -47.7 -84.7 1 37.0 -55.3 308 34 913.7 913.7 329.7 914.1 0.04 91 7.0 33290 -45.9 -83.9 1 38.0 -54.6 305 35 939.3 939.3 330.2 939.8 0.05 92 6.1 34212 -42.9 -82.9 0 40.0 -53.9 989.9 989.9 331.0 990.7 0.07 93 6.0 34323 -43.3 -83.3 0 40.0 -54.2 992.9 992.9 331.1 993.6 0.06 TRP 348 7750 -44.3 -68.3 5 24.0 -44.8 350 30 309.5 309.5 285.1 309.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 75.15 % Est. max temperature: 7.38 C = 45.28 F Sfc-Lift cond lev (LCL): 920.05 mb = 669.25 m = 2195.67 ft T: -10.85 C 700-500 lapse rate: 7.14 C/km ThetaE index: 0.58 C Layer 786.0- 769.0 mb Conv cond level (CCL): 617.99 mb = 3726.16 m = 12224.80 ft Mean mixing ratio: 1.24 g/kg Conv temperature: 16.89 C = 62.40 F Cap Strength: 20.23 C Lifted Index: 20.33 C Risk: None Lifted Index @300 mb: 35.73 C Lifted Index @700 mb: 16.54 C Showalter Index: 6.91 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 23.20 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 42.00 Risk: None Energy Index: 1.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.11 J/kg Max Up Vert Vel: 8.84 m/s Conv Inhibition (B-): 75451.41 J/kg Cap Strength: 20.32 C Lift Cond Lev (LCL): 874.35 mb = 1066.95 m = 3500.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 8 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 40 355 3 0.3 -3.0 | 171 5 -0.8 4.9 1 964 305 30 16 -8.0 -13.9 | 57 11 -9.1 -6.0 2 927 610 355 30 2.6 -29.9 | 356 22 1.6 -22.0 3 925 628 355 30 2.6 -29.9 | 356 22 1.6 -22.0 4 892 914 360 19 -0.0 -19.0 | 5 11 -1.1 -11.1 5 858 1219 10 16 -2.8 -15.8 | 26 9 -3.8 -7.9 6 850 1289 15 18 -4.7 -17.4 | 31 11 -5.7 -9.5 7 825 1524 15 15 -3.9 -14.5 | 37 8 -4.9 -6.6 8 793 1829 340 9 3.1 -8.5 | 286 2 2.0 -0.6 9 762 2134 355 6 0.5 -6.0 | 165 2 -0.5 1.9 10 733 2438 330 8 4.0 -6.9 | 252 3 2.9 1.0 11 705 2743 290 5 4.7 -1.7 | 211 7 3.6 6.2 12 700 2794 290 7 6.6 -2.4 | 225 8 5.5 5.5 13 676 3048 305 10 8.2 -5.7 | 253 7 7.1 2.2 14 622 3658 245 10 9.1 4.2 | 213 15 8.0 12.1 15 597 3962 195 10 2.6 9.7 | 185 18 1.5 17.6 16 573 4267 225 7 4.9 4.9 | 197 13 3.9 12.8 17 549 4572 230 11 8.4 7.1 | 206 17 7.4 15.0 18 527 4877 260 10 9.8 1.7 | 222 13 8.8 9.6 19 500 5260 290 6 5.6 -2.1 | 218 7 4.6 5.8 20 463 5791 240 3 2.6 1.5 | 189 10 1.5 9.4 21 443 6096 275 9 9.0 -0.8 | 228 11 7.9 7.1 22 424 6401 295 21 19.0 -8.9 | 273 18 18.0 -1.0 23 406 6706 330 16 8.0 -13.9 | 311 9 6.9 -6.0 24 400 6810 330 19 9.5 -16.5 | 315 12 8.4 -8.6 25 355 7620 340 28 9.6 -26.3 | 335 20 8.5 -18.4 26 348 7750 350 30 5.2 -29.5 | 349 22 4.2 -21.7 27 309 8534 350 34 5.9 -33.5 | 349 26 4.9 -25.6 28 300 8740 330 26 13.0 -22.5 | 321 19 11.9 -14.6 29 296 8839 330 26 13.0 -22.5 | 321 19 11.9 -14.6 30 282 9144 330 22 11.0 -19.1 | 318 15 9.9 -11.2 31 270 9449 350 20 3.5 -19.7 | 348 12 2.4 -11.8 32 250 9960 315 12 8.5 -8.5 | 275 7 7.4 -0.6 33 246 10058 315 12 8.5 -8.5 | 275 7 7.4 -0.6 34 225 10668 300 19 16.5 -9.5 | 276 15 15.4 -1.6 35 215 10973 325 20 11.5 -16.4 | 309 13 10.4 -8.5 36 206 11278 305 10 8.2 -5.7 | 253 7 7.1 2.2 37 200 11470 315 14 9.9 -9.9 | 283 9 8.8 -2.0 38 197 11582 320 13 8.4 -10.0 | 286 8 7.3 -2.1 39 188 11887 315 14 9.9 -9.9 | 283 9 8.8 -2.0 40 172 12497 275 10 10.0 -0.9 | 232 11 8.9 7.0 41 157 13106 315 16 11.3 -11.3 | 288 11 10.3 -3.4 42 150 13400 305 7 5.7 -4.0 | 230 6 4.7 3.9 43 150 13411 300 18 15.6 -9.0 | 274 15 14.5 -1.1 44 143 13716 275 10 10.0 -0.9 | 232 11 8.9 7.0 45 130 14326 285 17 16.4 -4.4 | 257 16 15.4 3.5 46 125 14630 320 16 10.3 -12.3 | 295 10 9.2 -4.4 47 119 14935 355 10 0.9 -10.0 | 5 2 -0.2 -2.1 48 114 15240 350 6 1.0 -5.9 | 180 2 -0.0 2.0 49 109 15545 25 5 -2.1 -4.5 | 137 5 -3.2 3.4 50 100 16090 285 14 13.5 -3.6 | 251 13 12.5 4.3 51 99 16154 310 12 9.2 -7.7 | 269 8 8.1 0.2 52 94 16459 285 14 13.5 -3.6 | 251 13 12.5 4.3 53 78 17678 160 1 -0.3 0.9 | 171 9 -1.4 8.8 54 75 17983 240 10 8.7 5.0 | 211 15 7.6 12.9 55 71 18288 255 11 10.6 2.8 | 222 14 9.6 10.7 56 70 18410 260 21 20.7 3.6 | 240 23 19.6 11.5 57 68 18593 260 21 20.7 3.6 | 240 23 19.6 11.5 58 65 18898 250 21 19.7 7.2 | 231 24 18.7 15.1 59 62 19202 285 15 14.5 -3.9 | 253 14 13.4 4.0 60 56 19812 275 16 15.9 -1.4 | 246 16 14.9 6.5 61 51 20422 310 15 11.5 -9.6 | 280 11 10.4 -1.7 62 50 20590 250 8 7.5 2.7 | 211 12 6.5 10.6 63 49 20726 275 6 6.0 -0.5 | 214 9 4.9 7.4 64 47 21031 245 10 9.1 4.2 | 213 15 8.0 12.1 65 45 21336 240 16 13.9 8.0 | 219 20 12.8 15.9 66 42 21641 250 22 20.7 7.5 | 232 25 19.6 15.4 67 40 21946 280 26 25.6 -4.5 | 262 25 24.6 3.4 68 39 22250 265 16 15.9 1.4 | 238 18 14.9 9.3 69 33 23165 320 14 9.0 -10.7 | 290 8 7.9 -2.8 70 32 23470 295 10 9.1 -4.2 | 245 9 8.0 3.7 71 30 23774 295 8 7.3 -3.4 | 234 8 6.2 4.5 72 30 23870 280 18 17.7 -3.1 | 254 17 16.7 4.8 73 28 24384 290 22 20.7 -7.5 | 269 20 19.6 0.4 74 26 24689 320 17 10.9 -13.0 | 297 11 9.9 -5.1 75 25 24994 310 11 8.4 -7.1 | 264 7 7.4 0.8 76 24 25298 250 10 9.4 3.4 | 216 14 8.3 11.3 77 23 25603 260 19 18.7 3.3 | 238 21 17.7 11.2 78 22 25908 280 26 25.6 -4.5 | 262 25 24.6 3.4 79 20 26480 295 20 18.1 -8.5 | 272 17 17.1 -0.6 80 20 26518 310 17 13.0 -10.9 | 284 12 12.0 -3.0 81 19 26822 290 19 17.9 -6.5 | 265 17 16.8 1.4 82 18 27127 315 18 12.7 -12.7 | 292 13 11.7 -4.8 83 17 27432 285 18 17.4 -4.7 | 259 17 16.3 3.2 84 16 27737 290 17 16.0 -5.8 | 262 15 14.9 2.1 85 15 28346 310 31 23.7 -19.9 | 298 26 22.7 -12.0 86 14 28956 305 24 19.7 -13.8 | 288 20 18.6 -5.9 87 13 29261 325 20 11.5 -16.4 | 309 13 10.4 -8.5 88 12 29566 340 26 8.9 -24.4 | 335 18 7.8 -16.5 89 11 30175 300 24 20.8 -12.0 | 282 20 19.7 -4.1 90 10 30960 320 30 19.3 -23.0 | 310 24 18.2 -15.1 91 7 33290 305 35 28.7 -20.1 | 294 30 27.6 -12.2 Wind Parameters Mean winds (0-6000m): 322.4 at 10.6 knts Storm direction: 352.4 at 8.0 knts Shear (0-3000m) pos: 2.0 neg: 2.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 36.2 neg: -82.8 tot: -46.6 m^2/s^2 ave: -15.5 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 13.8 stream: -3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.92 Bulk Shear: 20.41 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 17 15 40 9| 24.5 0.0 24.5| 0.0 -49.8 -49.8 -99.5 -0.68| 30.0-20.3 1000 5 19 13 12| 7.6 0.0 7.6| 15.2 -70.8 -55.6 -55.6 -0.42| 23.8-10.1 1500 7 18 17 11| 4.1 0.0 4.1| 24.2 -70.8 -46.6 -31.0 -0.30| 18.2 -5.5 2000 5 16 16 9| 3.1 2.2 5.3| 24.2 -77.8 -53.5 -26.8 -0.38| 16.6 -6.4 2500 3 15 14 7| 2.4 2.5 5.0| 25.5 -79.2 -53.6 -21.4 -0.33| 14.7 -4.9 3000 358 13 5 5| 2.0 2.5 4.5| 36.2 -82.8 -46.6 -15.5 -0.26| 13.8 -3.5 4000 345 12 331 5| 1.5 3.1 4.6| 38.4-137.4 -99.0 -24.7 -0.35| 12.8 -4.5 5000 330 12 295 5| 2.1 2.5 4.5| 74.5-137.4 -62.9 -12.6 -0.23| 11.8 -2.7 6000 322 11 275 5| 1.8 2.0 3.9| 88.1-148.5 -60.4 -10.1 -0.20| 10.9 -2.2 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251231.00.gif