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 PAKN... Searching the city database file for: PAKN ... Date:1200Z 9 DEC 25 Station: PAKN WMO ident: 70326 Latitude: 58.68 Longitude: -156.65 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1006 15 -18.9 -22.9 71 4.0 -19.4 350 4 253.8 253.9 253.3 255.4 0.60 1 1000 56 -17.9 -22.9 65 5.0 -18.6 360 11 255.2 255.3 254.5 256.9 0.61 2 999 63 -17.7 -22.7 65 5.0 -18.4 360 11 255.5 255.6 254.8 257.2 0.62 3 984 177 -17.7 -24.7 54 7.0 -18.6 355 10 256.6 256.7 255.5 258.1 0.52 4 975 245 -16.1 -25.1 46 9.0 -17.4 352 9 258.9 259.0 257.3 260.3 0.51 5 973 261 -14.3 -26.3 35 12.0 -16.0 352 8 260.9 261.0 258.8 262.2 0.46 6 969 292 -12.9 -26.9 30 14.0 -15.0 350 8 262.6 262.7 260.1 263.9 0.44 7 968 300 -11.3 -27.3 25 16.0 -13.7 350 8 264.3 264.4 261.4 265.5 0.42 8 962 348 -10.5 -27.5 23 17.0 -13.2 350 9 265.6 265.6 262.3 266.8 0.42 9 960 364 -8.9 -27.9 20 19.0 -12.0 350 9 267.4 267.4 263.6 268.5 0.40 10 958 380 -8.9 -27.9 20 19.0 -12.0 350 9 267.5 267.6 263.7 268.7 0.40 11 939 535 -8.7 -27.7 20 19.0 -11.9 350 12 269.3 269.3 265.0 270.5 0.42 12 935 568 -6.7 -28.7 16 22.0 -10.5 350 12 271.6 271.7 266.5 272.8 0.38 13 934 576 -4.9 -28.9 13 24.0 -9.2 350 12 273.5 273.6 267.8 274.7 0.38 14 928 627 -2.1 -29.1 11 27.0 -7.4 350 13 276.9 277.0 269.9 278.0 0.37 15 925 653 -1.7 -28.7 11 27.0 -7.1 350 14 277.6 277.6 270.4 278.8 0.39 16 921 687 -1.5 -28.5 11 27.0 -7.0 347 14 278.1 278.2 270.7 279.3 0.40 17 919 705 0.0 -29.0 9 29.0 -6.0 346 14 279.8 279.9 271.7 281.0 0.38 18 916 731 0.0 -29.0 9 29.0 -6.0 344 14 280.1 280.2 271.9 281.3 0.38 19 902 854 -0.3 -29.3 9 29.0 -6.2 335 14 281.0 281.1 272.4 282.2 0.37 20 889 970 0.6 -30.4 8 31.0 -5.8 339 15 283.1 283.2 273.6 284.2 0.34 21 850 1329 -0.7 -22.7 17 22.0 -6.2 25 25 285.4 285.5 275.5 287.6 0.73 22 833 1490 -1.3 -20.3 22 19.0 -6.3 23 27 286.4 286.6 276.3 289.2 0.91 23 769 2121 -5.9 -20.9 29 15.0 -9.6 20 28 288.1 288.3 277.2 291.0 0.94 24 740 2421 -8.3 -28.3 18 20.0 -12.2 11 29 288.7 288.8 276.8 290.3 0.50 25 720 2633 -10.1 -25.1 28 15.0 -13.2 7 28 289.0 289.1 277.2 291.1 0.69 26 708 2762 -11.3 -28.3 23 17.0 -14.5 4 27 289.0 289.1 277.0 290.7 0.52 27 700 2849 -11.9 -25.9 30 14.0 -14.7 360 26 289.3 289.4 277.3 291.4 0.66 28 696 2893 -12.3 -24.3 36 12.0 -14.8 360 26 289.3 289.5 277.5 291.7 0.77 29 687 2992 -12.9 -28.9 25 16.0 -15.8 360 25 289.7 289.8 277.3 291.4 0.51 30 666 3228 -14.9 -25.9 39 11.0 -17.0 360 26 290.1 290.2 277.8 292.3 0.69 31 658 3319 -15.7 -28.7 32 13.0 -18.0 360 27 290.2 290.3 277.6 291.9 0.54 32 655 3353 -15.7 -32.7 22 17.0 -18.3 360 27 290.6 290.6 277.6 291.8 0.37 33 628 3669 -18.3 -36.3 19 18.0 -20.7 360 29 291.1 291.2 277.7 292.0 0.27 34 599 4020 -20.3 -39.3 17 19.0 -22.5 6 25 292.8 292.8 278.4 293.5 0.21 35 558 4542 -22.7 -33.7 36 11.0 -24.2 12 35 295.9 296.0 280.1 297.2 0.40 36 551 4635 -23.1 -36.1 29 13.0 -24.7 13 34 296.5 296.6 280.3 297.6 0.32 37 549 4661 -23.3 -40.3 20 17.0 -25.1 13 34 296.6 296.6 280.1 297.3 0.21 38 537 4823 -24.3 -36.3 32 12.0 -25.7 14 34 297.3 297.3 280.6 298.4 0.32 39 534 4863 -24.1 -41.1 19 17.0 -25.9 15 34 298.0 298.0 280.7 298.7 0.20 40 531 4904 -24.5 -38.5 26 14.0 -26.1 15 34 298.0 298.0 280.8 298.9 0.26 41 528 4946 -24.5 -39.5 24 15.0 -26.1 14 34 298.5 298.5 281.0 299.3 0.23 42 523 5015 -25.1 -36.1 35 11.0 -26.4 14 35 298.6 298.6 281.2 299.7 0.33 43 500 5340 -27.1 -35.1 47 8.0 -28.0 10 36 300.0 300.1 281.9 301.3 0.39 44 497 5383 -27.3 -35.3 47 8.0 -28.2 10 36 300.3 300.3 282.0 301.6 0.38 45 485 5559 -28.5 -39.5 34 11.0 -29.6 11 35 300.9 300.9 282.1 301.8 0.26 46 477 5678 -29.5 -39.5 37 10.0 -30.4 12 35 301.1 301.1 282.2 302.0 0.26 47 465 5859 -30.3 -43.3 27 13.0 -31.4 13 34 302.3 302.3 282.5 302.9 0.18 48 442 6217 -33.5 -42.5 40 9.0 -34.2 15 34 302.7 302.7 282.7 303.4 0.20 49 436 6313 -34.1 -41.1 49 7.0 -34.7 15 35 303.1 303.2 283.0 303.9 0.24 50 417 6623 -36.9 -42.9 54 6.0 -37.3 15 39 303.4 303.4 283.1 304.1 0.21 51 413 6690 -37.3 -45.3 43 8.0 -37.8 15 40 303.7 303.8 283.1 304.3 0.16 52 409 6757 -37.7 -43.7 53 6.0 -38.1 15 40 304.1 304.1 283.3 304.7 0.19 53 403 6859 -38.3 -45.3 48 7.0 -38.7 15 41 304.6 304.6 283.5 305.2 0.17 54 400 6910 -38.5 -44.5 53 6.0 -38.9 15 42 305.0 305.0 283.7 305.6 0.18 55 395 6996 -38.9 -44.9 53 6.0 -39.3 14 43 305.5 305.6 283.8 306.2 0.18 56 300 8830 -52.3 -61.3 33 9.0 -52.5 15 63 311.6 311.6 285.9 311.8 0.03 57 276 9364 -55.7 -64.1 34 8.4 -55.9 20 64 314.2 314.2 286.8 314.3 0.02 58 262 9694 -57.9 -65.9 35 8.0 -58.0 15 54 315.7 315.7 287.3 315.8 0.02 59 250 9990 -55.9 -72.9 10 17.0 -56.1 10 45 323.0 323.0 289.7 323.0 0.01 60 200 11430 -51.9 -80.9 2 29.0 -52.3 315 22 350.6 350.6 296.8 350.6 0.00 61 150 13320 -49.5 -82.5 1 33.0 -50.2 310 18 384.8 384.8 303.0 384.8 0.00 62 100 15990 -47.3 -81.3 1 34.0 -48.6 255 37 436.3 436.3 309.5 436.4 0.01 63 99 16056 -47.3 -82.3 1 35.0 -48.6 255 37 437.6 437.6 309.6 437.6 0.00 64 95 16331 -44.3 -81.3 1 37.0 -46.0 261 32 448.7 448.7 310.7 448.7 0.01 65 86 16992 -47.7 -81.7 1 34.0 -49.0 264 17 454.8 454.8 311.3 454.8 0.01 66 84 17148 -46.1 -82.1 1 36.0 -47.7 265 17 461.1 461.1 311.8 461.1 0.01 67 77 17723 -48.7 -82.7 1 34.0 -50.0 274 30 467.3 467.3 312.4 467.3 0.01 68 70 18350 -47.9 -82.9 1 35.0 -49.5 245 17 481.9 481.9 313.6 481.9 0.01 69 64 18939 -48.1 -83.1 1 35.0 -49.8 272 20 494.0 494.0 314.5 494.0 0.01 70 54 20066 -43.9 -80.9 1 37.0 -46.7 268 31 528.3 528.3 316.8 528.3 0.01 71 50 20580 -45.3 -81.3 1 36.0 -47.9 285 15 536.7 536.7 317.3 536.8 0.01 72 47 20992 -46.7 -82.7 1 36.0 -49.1 288 17 542.9 542.9 317.7 543.0 0.01 73 38 22401 -47.7 -83.7 1 36.0 -50.4 295 26 574.4 574.4 319.4 574.5 0.01 74 35 22946 -46.1 -83.1 1 37.0 -49.3 276 20 592.3 592.3 320.3 592.3 0.01 75 30 23970 -47.1 -83.1 1 36.0 -50.4 330 18 616.2 616.2 321.3 616.3 0.01 76 21 26320 -49.1 -84.1 1 35.0 -52.7 328 17 676.4 676.4 323.6 676.5 0.02 77 20 26640 -49.9 -83.9 1 34.0 -53.4 20 21 683.4 683.4 323.9 683.6 0.02 78 18 27326 -51.5 -84.5 1 33.0 -54.8 358 15 699.3 699.3 324.4 699.4 0.02 79 13 29433 -52.5 -85.5 1 33.0 -56.3 14 27 764.0 764.0 326.3 764.2 0.02 80 13 29433 -52.5 -85.5 1 33.0 -56.3 14 27 764.0 764.0 326.3 764.2 0.02 81 10 31130 -51.9 -85.9 1 34.0 -56.6 360 27 825.8 825.8 327.8 826.0 0.02 82 8.8 31958 -51.9 -85.9 1 34.0 -57.1 856.6 856.6 328.5 856.8 0.03 TRP 262 9694 -57.9 -65.9 35 8.0 -58.0 15 54 315.7 315.7 287.3 315.8 0.02 WND 276 9364 -55.7 -64.1 34 8.4 -55.9 20 64 314.2 314.2 286.8 314.3 0.02 Sounding variables and indices 1000-500 mb thick: 5284.00 m Freezing level: Surface below freezing Freezing level: 919.00 mb = 704.80 m = 2312.30 ft Freezing level: 916.00 mb = 730.95 m = 2398.11 ft Freezing level: 897.67 mb = 892.80 m = 2929.09 ft Freezing level: 871.00 mb = 1135.83 m = 3726.42 ft Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 25.55 % Est. max temperature: 12.39 C = 54.30 F Sfc-Lift cond lev (LCL): 941.90 mb = 511.04 m = 1676.61 ft T: -8.73 C 700-500 lapse rate: 6.10 C/km ThetaE index: 0.73 C Layer 740.0- 720.0 mb Conv cond level (CCL): 429.02 mb = 6425.39 m = 21080.42 ft Mean mixing ratio: 0.45 g/kg Conv temperature: 30.59 C = 87.05 F Cap Strength: 25.28 C Lifted Index: 26.08 C Risk: None Lifted Index @300 mb: 30.65 C Lifted Index @700 mb: 19.90 C Showalter Index: 10.91 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 26.40 C Cross Totals Index: 4.40 C K Index: -10.30 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 110.77 J/kg Max Up Vert Vel: 14.88 m/s Conv Inhibition (B-): 79593.67 J/kg Cap Strength: 25.96 C Lift Cond Lev (LCL): 723.26 mb = 2597.81 m = 8522.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 39 at 20 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 1006 15 350 4 0.7 -3.9 | 229 18 13.3 11.6 1 1000 56 360 11 -0.0 -11.0 | 250 13 12.7 4.5 2 968 305 350 8 1.4 -7.9 | 241 16 14.0 7.6 3 930 610 350 13 2.3 -12.8 | 260 15 14.9 2.7 4 925 653 350 14 2.4 -13.8 | 263 15 15.1 1.7 5 895 914 330 14 7.0 -12.1 | 260 20 19.7 3.4 6 862 1219 20 20 -6.8 -18.8 | 299 7 5.8 -3.3 7 850 1329 25 25 -10.6 -22.7 | 344 7 2.1 -7.1 8 797 1829 20 30 -10.3 -28.2 | 349 13 2.4 -12.7 9 767 2134 20 28 -9.6 -26.3 | 344 11 3.1 -10.8 10 738 2438 10 29 -5.0 -28.6 | 330 15 7.6 -13.0 11 710 2743 5 27 -2.4 -26.9 | 318 15 10.3 -11.4 12 700 2849 360 26 -0.0 -26.0 | 310 16 12.7 -10.5 13 681 3048 360 25 -0.0 -25.0 | 307 16 12.7 -9.5 14 628 3658 360 29 -0.0 -29.0 | 317 18 12.7 -13.5 15 602 3962 5 23 -2.0 -22.9 | 305 13 10.6 -7.4 16 578 4267 10 35 -6.1 -34.5 | 341 20 6.6 -18.9 17 532 4877 15 34 -8.8 -32.8 | 347 18 3.9 -17.3 18 500 5340 10 36 -6.3 -35.5 | 342 21 6.4 -19.9 19 449 6096 15 33 -8.5 -31.9 | 346 17 4.1 -16.4 20 400 6910 15 42 -10.9 -40.6 | 356 25 1.8 -25.0 21 360 7620 10 51 -8.9 -50.2 | 354 35 3.8 -34.7 22 300 8830 15 63 -16.3 -60.9 | 5 45 -3.7 -45.3 23 286 9144 20 62 -21.2 -58.3 | 11 44 -8.6 -42.7 24 276 9364 20 64 -21.9 -60.1 | 12 46 -9.2 -44.6 25 272 9449 20 64 -21.9 -60.1 | 12 46 -9.2 -44.6 26 262 9694 15 54 -14.0 -52.2 | 2 37 -1.3 -36.6 27 250 9990 10 45 -7.8 -44.3 | 350 29 4.8 -28.8 28 236 10363 15 36 -9.3 -34.8 | 350 20 3.3 -19.2 29 215 10973 360 25 -0.0 -25.0 | 307 16 12.7 -9.5 30 200 11430 315 22 15.6 -15.6 | 270 28 28.2 -0.0 31 195 11582 305 18 14.7 -10.3 | 259 28 27.4 5.2 32 187 11887 320 28 18.0 -21.4 | 281 31 30.7 -5.9 33 178 12192 320 37 23.8 -28.3 | 289 39 36.4 -12.8 34 170 12497 315 29 20.5 -20.5 | 279 34 33.2 -5.0 35 162 12802 265 22 21.9 1.9 | 243 39 34.6 17.4 36 155 13106 265 19 18.9 1.7 | 241 36 31.6 17.2 37 150 13320 310 18 13.8 -11.6 | 261 27 26.4 4.0 38 148 13411 310 21 16.1 -13.5 | 266 29 28.7 2.0 39 141 13716 310 17 13.0 -10.9 | 260 26 25.7 4.6 40 135 14021 275 20 19.9 -1.7 | 247 35 32.6 13.8 41 129 14326 280 34 33.5 -5.9 | 258 47 46.1 9.6 42 123 14630 275 32 31.9 -2.8 | 254 46 44.5 12.7 43 112 15240 260 29 28.6 5.0 | 243 46 41.2 20.6 44 100 15990 255 37 35.7 9.6 | 243 55 48.4 25.1 45 98 16154 255 37 35.7 9.6 | 243 55 48.4 25.1 46 89 16764 275 18 17.9 -1.6 | 245 34 30.6 14.0 47 85 17069 260 16 15.8 2.8 | 237 34 28.4 18.3 48 81 17374 280 21 20.7 -3.6 | 250 35 33.3 11.9 49 74 17983 270 36 36.0 -0.0 | 252 51 48.7 15.5 50 71 18288 275 29 28.9 -2.5 | 253 44 41.5 13.0 51 70 18350 245 17 15.4 7.2 | 231 36 28.1 22.7 52 67 18593 245 17 15.4 7.2 | 231 36 28.1 22.7 53 64 18898 275 19 18.9 -1.7 | 246 34 31.6 13.9 54 62 19202 255 27 26.1 7.0 | 240 45 38.7 22.5 55 56 19812 255 33 31.9 8.5 | 242 51 44.5 24.1 56 54 20117 270 31 31.0 -0.0 | 250 46 43.7 15.5 57 50 20580 285 15 14.5 -3.9 | 247 30 27.1 11.6 58 49 20726 295 24 21.8 -10.1 | 261 35 34.4 5.4 59 45 21336 280 7 6.9 -1.2 | 234 24 19.5 14.3 60 43 21641 260 16 15.8 2.8 | 237 34 28.4 18.3 61 39 22250 295 25 22.7 -10.6 | 262 36 35.3 5.0 62 37 22555 295 28 25.4 -11.8 | 264 38 38.0 3.7 63 35 22860 265 20 19.9 1.7 | 242 37 32.6 17.3 64 34 23165 305 21 17.2 -12.0 | 263 30 29.9 3.5 65 32 23470 335 23 9.7 -20.8 | 283 23 22.4 -5.3 66 30 23970 330 18 9.0 -15.6 | 270 22 21.7 -0.1 67 28 24384 325 16 9.2 -13.1 | 264 22 21.8 2.4 68 27 24689 300 16 13.9 -8.0 | 254 28 26.5 7.5 69 26 24994 345 20 5.2 -19.3 | 282 18 17.8 -3.8 70 25 25298 350 17 3.0 -16.7 | 274 16 15.6 -1.2 71 23 25603 340 10 3.4 -9.4 | 249 17 16.1 6.1 72 22 25908 315 26 18.4 -18.4 | 275 31 31.0 -2.9 73 20 26518 335 13 5.5 -11.8 | 258 19 18.1 3.7 74 20 26640 20 21 -7.2 -19.7 | 308 7 5.5 -4.2 75 19 26822 15 16 -4.1 -15.5 | 270 9 8.5 0.1 76 19 27127 20 19 -6.5 -17.9 | 291 7 6.2 -2.3 77 18 27432 345 13 3.4 -12.6 | 260 16 16.0 3.0 78 17 27737 320 32 20.6 -24.5 | 285 34 33.2 -9.0 79 16 28042 325 30 17.2 -24.6 | 287 31 29.9 -9.1 80 15 28651 350 41 7.1 -40.4 | 321 32 19.8 -24.9 81 13 29261 20 32 -10.9 -30.1 | 353 15 1.7 -14.5 82 13 29566 10 23 -4.0 -22.7 | 309 11 8.7 -7.1 83 12 29870 350 30 5.2 -29.5 | 308 23 17.9 -14.0 84 12 30175 360 38 -0.0 -38.0 | 331 26 12.7 -22.5 85 10 31130 360 27 -0.0 -27.0 | 312 17 12.7 -11.5 Wind Parameters Mean winds (0-6000m): 9.2 at 26.7 knts Storm direction: 39.2 at 20.0 knts Shear (0-3000m) pos: 2.9 neg: 3.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 78.3 deg Storm rel helicity (0-3000m) pos: 88.2 neg: -50.4 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 2.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 2.63 Bulk Shear: 42.06 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 ------------------------------------------------------------------------------- 500 353 9 246 15| 0.0 7.7 7.7| 34.7 -6.4 28.3 56.7 0.57| 12.5 7.1 1000 347 12 254 16| 0.0 6.2 6.2| 59.5 -10.7 48.8 48.8 0.49| 12.2 6.0 1500 2 15 267 12| 5.8 4.1 9.9| 87.1 -10.7 76.4 50.9 0.55| 14.5 8.0 2000 10 18 285 10| 4.4 3.7 8.1| 88.2 -12.8 75.4 37.7 0.49| 12.0 5.9 2500 11 20 298 10| 3.5 3.6 7.1| 88.2 -28.6 59.6 23.8 0.35| 10.9 3.8 3000 10 21 302 11| 2.9 3.1 6.0| 88.2 -50.4 37.8 12.6 0.23| 10.1 2.3 4000 7 23 306 12| 2.3 2.6 4.9|105.0 -60.2 44.8 11.2 0.22| 8.8 1.9 5000 8 25 315 13| 2.8 2.1 4.8|149.8 -62.0 87.8 17.6 0.30| 8.5 2.5 6000 9 27 322 14| 2.3 1.9 4.2|154.8 -68.1 86.8 14.5 0.28| 7.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251209.12.gif