UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 19 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 1017 15 -10.9 -15.3 70 4.4 -11.8 0 0 261.0 261.2 260.3 264.1 1.14 1 1000 138 -11.7 -15.4 74 3.7 -12.5 350 6 261.5 261.6 260.7 264.6 1.15 2 992 200 -10.7 -16.7 61 6.0 -11.9 343 9 263.1 263.2 261.7 265.9 1.04 3 991 207 -10.7 -16.7 61 6.0 -11.9 342 9 263.1 263.3 261.7 266.0 1.04 4 989 223 -10.5 -13.2 81 2.7 -11.1 340 10 263.5 263.7 262.7 267.3 1.40 5 985 254 -10.1 -11.6 89 1.5 -10.5 336 11 264.2 264.4 263.6 268.5 1.59 6 979 301 -10.1 -13.1 79 3.0 -10.8 330 13 264.7 264.9 263.6 268.5 1.42 7 976 325 -10.1 -15.1 67 5.0 -11.2 330 13 264.9 265.1 263.4 268.2 1.21 8 970 373 -9.5 -10.7 91 1.2 -9.8 331 14 266.0 266.2 265.1 270.7 1.74 9 966 405 -9.3 -9.5 98 0.2 -9.4 332 15 266.5 266.8 265.8 271.7 1.92 10 963 429 -8.9 -9.5 95 0.6 -9.1 332 15 267.1 267.4 266.3 272.3 1.93 11 956 485 -9.1 -12.0 79 2.9 -9.9 333 16 267.5 267.7 265.9 271.8 1.59 12 951 526 -8.5 -10.5 85 2.0 -9.1 334 17 268.5 268.8 267.0 273.4 1.80 13 948 550 -8.5 -8.9 97 0.4 -8.6 334 17 268.7 269.1 267.5 274.3 2.05 14 942 600 -8.7 -8.7 100 0.0 -8.7 335 18 269.0 269.4 267.8 274.7 2.10 15 925 741 -7.7 -8.1 97 0.4 -7.8 345 21 271.4 271.8 269.7 277.6 2.24 16 921 775 -7.7 -8.8 92 1.1 -8.0 345 22 271.8 272.1 269.7 277.6 2.13 17 910 868 -8.5 -8.5 100 0.0 -8.5 345 25 271.9 272.3 269.9 278.0 2.21 18 888 1058 -8.7 -8.7 100 0.0 -8.7 345 29 273.6 274.0 271.0 279.8 2.23 19 853 1369 -10.5 -11.1 95 0.6 -10.7 345 30 274.9 275.2 271.3 280.3 1.92 20 850 1396 -10.5 -10.8 98 0.3 -10.6 345 30 275.1 275.5 271.5 280.7 1.97 21 848 1414 -10.5 -10.6 99 0.1 -10.5 345 30 275.3 275.7 271.7 281.0 2.01 22 841 1478 -10.7 -11.8 92 1.1 -11.0 345 32 275.8 276.1 271.7 281.0 1.84 23 835 1533 -10.9 -10.9 100 0.0 -10.9 345 33 276.1 276.5 272.2 281.7 1.99 24 794 1919 -12.1 -12.2 99 0.1 -12.1 345 39 278.9 279.2 273.6 284.2 1.89 25 792 1938 -11.9 -12.1 98 0.2 -11.9 345 39 279.3 279.6 273.9 284.7 1.91 26 771 2143 -13.3 -13.4 99 0.1 -13.3 345 40 279.9 280.2 274.0 285.0 1.76 27 750 2354 -11.5 -14.0 82 2.5 -12.2 338 48 284.1 284.4 276.2 289.2 1.72 28 718 2688 -12.9 -14.3 89 1.4 -13.3 343 45 286.1 286.4 277.3 291.3 1.76 29 714 2730 -13.1 -14.7 88 1.6 -13.5 345 44 286.4 286.6 277.4 291.4 1.71 30 711 2762 -12.7 -15.8 78 3.1 -13.5 345 44 287.1 287.4 277.6 291.8 1.57 31 700 2881 -13.7 -16.5 79 2.8 -14.4 345 46 287.3 287.6 277.6 291.8 1.50 32 692 2968 -14.5 -16.7 83 2.2 -15.0 342 47 287.4 287.6 277.6 291.9 1.49 33 676 3145 -15.3 -17.6 83 2.3 -15.9 337 49 288.4 288.7 278.0 292.7 1.42 34 674 3167 -15.3 -19.9 68 4.6 -16.3 336 49 288.6 288.9 277.7 292.2 1.17 35 655 3383 -16.9 -19.7 79 2.8 -17.5 331 51 289.2 289.4 278.1 292.9 1.22 36 651 3429 -17.1 -21.1 71 4.0 -18.0 332 51 289.5 289.7 278.0 292.8 1.09 37 630 3673 -18.9 -22.8 71 3.9 -19.7 340 51 290.2 290.3 278.2 293.2 0.97 38 620 3792 -19.9 -22.7 78 2.8 -20.4 341 50 290.4 290.5 278.3 293.4 0.99 39 589 4170 -22.9 -26.3 74 3.4 -23.5 344 47 291.2 291.3 278.4 293.5 0.76 40 565 4473 -25.9 -27.6 86 1.7 -26.2 345 48 291.1 291.2 278.3 293.3 0.70 41 552 4641 -27.1 -28.7 86 1.6 -27.3 343 50 291.6 291.7 278.4 293.7 0.65 42 545 4733 -27.7 -31.2 72 3.5 -28.1 340 49 292.0 292.1 278.4 293.6 0.52 43 541 4786 -27.1 -31.6 66 4.5 -27.7 338 49 293.3 293.4 279.0 294.9 0.50 44 539 4813 -26.7 -34.7 47 8.0 -27.6 338 49 294.1 294.2 279.3 295.3 0.37 45 533 4894 -27.5 -34.5 51 7.0 -28.3 335 48 294.1 294.2 279.3 295.4 0.38 46 521 5057 -28.7 -38.7 38 10.0 -29.6 335 49 294.6 294.6 279.3 295.4 0.26 47 511 5195 -29.9 -38.9 41 9.0 -30.7 335 49 294.7 294.8 279.4 295.6 0.26 48 508 5237 -30.3 -37.3 50 7.0 -31.0 335 50 294.8 294.8 279.4 295.8 0.31 49 500 5350 -31.1 -39.1 45 8.0 -31.8 335 50 295.1 295.2 279.6 296.0 0.26 50 499 5364 -31.3 -39.3 45 8.0 -32.0 335 50 295.0 295.1 279.5 295.9 0.25 51 495 5421 -31.5 -40.5 41 9.0 -32.3 335 50 295.5 295.5 279.7 296.2 0.23 52 488 5522 -32.3 -40.3 45 8.0 -33.0 336 49 295.7 295.7 279.8 296.5 0.23 53 400 6900 -41.9 -50.9 37 9.0 -42.3 340 43 300.5 300.5 281.7 300.9 0.09 54 300 8810 -50.5 -67.5 12 17.0 -50.8 320 53 314.2 314.2 286.8 314.2 0.01 55 296 8897 -51.1 -69.1 10 18.0 -51.4 320 55 314.5 314.5 286.9 314.6 0.01 56 250 9990 -49.5 -73.5 4 24.0 -49.9 315 45 332.5 332.5 292.4 332.5 0.01 57 200 11470 -47.1 -79.1 1 32.0 -47.8 315 50 358.2 358.2 298.4 358.2 0.00 58 150 13350 -50.9 -82.9 1 32.0 -51.5 330 35 382.4 382.4 302.6 382.4 0.00 59 100 15970 -51.9 -83.9 1 32.0 -52.7 305 39 427.4 427.4 308.6 427.5 0.00 60 97 16167 -52.7 -83.7 1 31.0 -53.4 305 39 429.6 429.6 308.8 429.6 0.00 61 94 16369 -52.5 -84.5 1 32.0 -53.2 305 38 433.9 433.9 309.3 433.9 0.00 62 92 16509 -50.1 -83.1 1 33.0 -51.1 305 37 441.3 441.3 310.0 441.3 0.00 63 90 16653 -49.1 -82.1 1 33.0 -50.2 305 37 446.1 446.1 310.5 446.1 0.01 64 70 18290 -51.9 -83.9 1 32.0 -52.9 300 22 473.4 473.4 312.9 473.4 0.00 65 68 18478 -52.3 -84.3 1 32.0 -53.4 309 22 476.4 476.4 313.2 476.5 0.00 66 64 18870 -52.1 -84.1 1 32.0 -53.2 329 21 485.2 485.2 313.8 485.2 0.01 67 59 19400 -49.1 -83.1 1 34.0 -50.7 305 22 503.4 503.4 315.2 503.4 0.01 68 51 20351 -51.5 -84.5 1 33.0 -52.9 315 21 519.2 519.2 316.2 519.2 0.01 69 50 20480 -50.9 -83.9 1 33.0 -52.5 300 14 523.5 523.5 316.5 523.6 0.01 70 44 21303 -54.9 -85.9 1 31.0 -56.1 295 13 533.2 533.2 317.1 533.3 0.01 71 44 21303 -54.9 -85.9 1 31.0 -56.1 295 13 533.2 533.2 317.1 533.3 0.01 72 41 21758 -51.3 -85.3 1 34.0 -53.1 286 23 553.1 553.1 318.3 553.1 0.01 73 37 22428 -48.7 -83.7 1 35.0 -51.2 294 40 576.3 576.3 319.5 576.3 0.01 74 30 23800 -50.3 -84.3 1 34.0 -52.8 285 25 607.5 607.5 320.9 607.6 0.01 75 25 24986 -51.7 -84.7 1 33.0 -54.2 265 35 636.0 636.0 322.2 636.1 0.01 76 22 25817 -50.7 -84.7 1 34.0 -53.8 297 36 662.7 662.7 323.2 662.8 0.01 77 20 26440 -49.5 -84.5 1 35.0 -53.1 295 26 684.7 684.7 323.9 684.8 0.02 78 19 26777 -47.9 -83.9 1 36.0 -52.2 292 26 699.7 699.8 324.4 699.9 0.02 79 17 27506 -50.9 -84.9 1 34.0 -54.5 284 28 712.7 712.8 324.8 712.9 0.02 80 17 27506 -49.1 -84.1 1 35.0 -53.3 284 28 718.5 718.5 325.0 718.7 0.02 81 15 28318 -54.1 -86.1 1 32.0 -57.1 287 44 728.1 728.1 325.3 728.2 0.02 82 13 29235 -54.3 -86.3 1 32.0 -57.6 299 51 757.8 757.8 326.1 758.0 0.02 83 12 29751 -51.5 -85.5 1 34.0 -55.9 305 48 785.3 785.3 326.9 785.5 0.02 84 12 29751 -49.9 -84.9 1 35.0 -54.8 305 48 790.9 791.0 327.0 791.2 0.02 85 12 29751 -48.9 -83.9 1 35.0 -54.2 305 48 794.5 794.5 327.1 794.7 0.03 86 11 30324 -48.3 -83.3 1 35.0 -54.2 314 44 816.7 816.7 327.7 817.0 0.03 87 10 30950 -49.1 -84.1 1 35.0 -54.9 330 36 836.3 836.3 328.1 836.6 0.03 88 10 30950 -49.3 -84.3 1 35.0 -55.1 330 36 835.5 835.5 328.1 835.8 0.03 89 9.5 31287 -48.9 -83.9 1 35.0 -55.0 331 36 849.4 849.4 328.4 849.7 0.04 90 9.0 31647 -43.9 -82.9 1 39.0 -52.6 333 36 881.9 881.9 329.1 882.3 0.05 91 8.5 32032 -42.7 -81.7 1 39.0 -52.2 335 36 901.1 901.1 329.4 901.7 0.06 92 7.9 32524 -45.1 -82.1 1 37.0 -53.7 337 35 910.6 910.6 329.7 911.2 0.06 93 7.3 33056 -41.9 -80.9 1 39.0 -52.6 339 35 944.4 944.5 330.2 945.3 0.08 94 7.0 33340 -43.5 -81.5 1 38.0 -53.5 340 35 949.2 949.3 330.4 950.0 0.07 95 6.3 34044 -46.7 -83.7 1 37.0 -55.5 964.6 964.7 330.6 965.2 0.06 96 6.1 34258 -45.3 -82.3 1 37.0 -54.9 979.6 979.6 330.8 980.4 0.07 97 5.9 34480 -46.5 -83.5 1 37.0 -55.6 983.8 983.8 330.9 984.5 0.06 98 5.7 34710 -45.1 -83.1 1 38.0 -55.2 999.7 999.7 331.2 1000.4 0.07 99 5.6 34829 -43.1 -82.1 1 39.0 -54.4 1013.5 1013.6 331.4 1014.5 0.08 TRP 296 8897 -51.1 -69.1 10 18.0 -51.4 320 55 314.5 314.5 286.9 314.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5212.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 81.21 % Est. max temperature: 2.53 C = 36.55 F Sfc-Lift cond lev (LCL): 947.38 mb = 555.39 m = 1822.11 ft T: -8.52 C 700-500 lapse rate: 7.05 C/km ThetaE index: 0.51 C Layer 956.0- 951.0 mb Conv cond level (CCL): 1000.00 mb = 138.00 m = 452.75 ft Mean mixing ratio: 1.67 g/kg Conv temperature: -9.58 C = 14.76 F Cap Strength: 19.94 C Lifted Index: 20.09 C Risk: None Lifted Index @300 mb: 30.69 C Lifted Index @700 mb: 16.10 C Showalter Index: 12.30 C Risk: None Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 20.30 C K Index: 7.00 Risk: None Sweat Index: 110.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.58 J/kg Max Up Vert Vel: 9.44 m/s Conv Inhibition (B-): 88798.70 J/kg Cap Strength: 19.94 C Lift Cond Lev (LCL): 938.31 mb = 630.05 m = 2067.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 10 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 1017 15 0 0 -0.0 -0.0 | 190 30 5.2 29.9 1 1000 138 350 6 1.0 -5.9 | 195 25 6.3 24.0 2 979 305 330 13 6.5 -11.3 | 212 22 11.7 18.7 3 941 610 335 18 7.6 -16.3 | 223 19 12.9 13.6 4 925 741 345 21 5.4 -20.3 | 228 14 10.7 9.6 5 905 914 345 26 6.7 -25.1 | 248 13 12.0 4.8 6 870 1219 345 32 8.3 -30.9 | 274 14 13.5 -1.0 7 850 1396 345 30 7.8 -29.0 | 266 13 13.0 0.9 8 803 1829 345 38 9.8 -36.7 | 294 17 15.1 -6.8 9 772 2134 345 40 10.4 -38.6 | 299 18 15.6 -8.7 10 742 2438 335 51 21.6 -46.2 | 301 31 26.8 -16.3 11 713 2743 345 44 11.4 -42.5 | 307 21 16.6 -12.6 12 700 2881 345 46 11.9 -44.4 | 310 22 17.2 -14.5 13 656 3353 330 51 25.5 -44.2 | 295 34 30.7 -14.2 14 630 3658 340 51 17.4 -47.9 | 308 29 22.7 -18.0 15 580 4267 345 46 11.9 -44.4 | 310 22 17.2 -14.5 16 556 4572 345 50 12.9 -48.3 | 315 26 18.2 -18.4 17 533 4877 335 48 20.3 -43.5 | 298 29 25.5 -13.6 18 500 5350 335 50 21.1 -45.3 | 300 31 26.4 -15.4 19 449 6096 340 46 15.7 -43.2 | 302 25 21.0 -13.3 20 430 6401 330 43 21.5 -37.2 | 285 28 26.7 -7.3 21 411 6706 340 41 14.0 -38.5 | 294 21 19.3 -8.6 22 400 6900 340 43 14.7 -40.4 | 298 23 20.0 -10.5 23 359 7620 345 47 12.2 -45.4 | 312 23 17.4 -15.5 24 313 8534 335 51 21.6 -46.2 | 301 31 26.8 -16.3 25 300 8810 320 53 34.1 -40.6 | 285 41 39.3 -10.7 26 296 8897 320 55 35.4 -42.1 | 287 42 40.6 -12.2 27 285 9144 325 53 30.4 -43.4 | 291 38 35.6 -13.5 28 272 9449 335 42 17.7 -38.1 | 290 24 23.0 -8.1 29 250 9990 315 45 31.8 -31.8 | 273 37 37.1 -1.9 30 247 10058 315 45 31.8 -31.8 | 273 37 37.1 -1.9 31 216 10973 320 55 35.4 -42.1 | 287 42 40.6 -12.2 32 200 11470 315 50 35.4 -35.4 | 278 41 40.6 -5.4 33 179 12192 310 50 38.3 -32.1 | 273 44 43.6 -2.2 34 163 12802 325 38 21.8 -31.1 | 273 27 27.0 -1.2 35 156 13106 310 47 36.0 -30.2 | 270 41 41.3 -0.3 36 150 13350 330 35 17.5 -30.3 | 271 23 22.7 -0.4 37 149 13411 330 35 17.5 -30.3 | 271 23 22.7 -0.4 38 135 14021 345 27 7.0 -26.1 | 253 13 12.2 3.8 39 129 14326 320 26 16.7 -19.9 | 246 24 22.0 10.0 40 112 15240 320 36 23.1 -27.6 | 265 28 28.4 2.3 41 107 15545 325 29 16.6 -23.8 | 254 23 21.9 6.2 42 100 15970 305 39 31.9 -22.4 | 259 38 37.2 7.5 43 97 16154 305 39 31.9 -22.4 | 259 38 37.2 7.5 44 84 17069 305 35 28.7 -20.1 | 254 35 33.9 9.8 45 77 17678 290 27 25.4 -9.2 | 236 37 30.6 20.7 46 73 17983 295 29 26.3 -12.3 | 241 36 31.5 17.7 47 70 18288 285 20 19.3 -5.2 | 225 35 24.6 24.7 48 70 18290 300 22 19.1 -11.0 | 232 31 24.3 18.9 49 64 18898 330 21 10.5 -18.2 | 233 20 15.7 11.7 50 61 19202 295 27 24.5 -11.4 | 238 35 29.7 18.5 51 58 19507 310 19 14.6 -12.2 | 228 27 19.8 17.7 52 55 19812 280 17 16.7 -3.0 | 219 35 22.0 27.0 53 50 20422 320 21 13.5 -16.1 | 234 23 18.7 13.8 54 50 20480 300 14 12.1 -7.0 | 217 29 17.4 22.9 55 48 20726 300 12 10.4 -6.0 | 213 29 15.6 23.9 56 44 21336 295 13 11.8 -5.5 | 215 30 17.0 24.4 57 42 21641 280 20 19.7 -3.5 | 223 36 24.9 26.4 58 40 21946 295 27 24.5 -11.4 | 238 35 29.7 18.5 59 38 22250 285 36 34.8 -9.3 | 243 45 40.0 20.6 60 36 22555 300 42 36.4 -21.0 | 258 43 41.6 8.9 61 30 23774 315 16 11.3 -11.3 | 222 25 16.6 18.6 62 30 23800 285 25 24.1 -6.5 | 231 38 29.4 23.4 63 27 24384 265 33 32.9 2.9 | 229 50 38.1 32.8 64 26 24689 260 33 32.5 5.7 | 227 52 37.7 35.6 65 24 25298 270 38 38.0 -0.0 | 235 53 43.2 29.9 66 23 25603 295 34 30.8 -14.4 | 247 39 36.1 15.6 67 21 26213 300 39 33.8 -19.5 | 255 40 39.0 10.4 68 20 26440 295 26 23.6 -11.0 | 237 34 28.8 18.9 69 17 27432 285 26 25.1 -6.7 | 233 38 30.4 23.2 70 16 27737 280 36 35.5 -6.3 | 240 47 40.7 23.7 71 14 28956 295 53 48.0 -22.4 | 262 54 53.3 7.5 72 11 30175 310 46 35.2 -29.6 | 270 40 40.5 0.4 73 10 30950 330 36 18.0 -31.2 | 273 23 23.2 -1.3 74 7 33340 340 35 12.0 -32.9 | 280 17 17.2 -3.0 Wind Parameters Mean winds (0-6000m): 340.0 at 40.5 knts Storm direction: 10.0 at 30.4 knts Shear (0-3000m) pos: 2.1 neg: 6.6 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 115.4 deg Storm rel helicity (0-3000m) pos: 183.0 neg: -16.1 tot: 166.9 m^2/s^2 ave: 55.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 5.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.36 Bulk Shear: 123.69 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 ------------------------------------------------------------------------------- 500 335 10 204 23| 0.0 16.9 16.9| 73.8 0.0 73.8 147.5 0.70| 17.8 12.3 1000 340 16 216 18| 6.3 8.5 14.8|110.0 0.0 110.0 110.0 0.71| 15.5 11.0 1500 342 21 229 15| 4.2 7.1 11.3|129.6 -5.3 124.3 82.8 0.68| 12.9 8.7 2000 343 25 243 14| 3.2 7.1 10.3|153.4 -5.3 148.1 74.0 0.71| 11.5 8.1 2500 342 29 260 14| 2.5 7.9 10.4|166.9 -6.3 160.6 64.2 0.56| 12.3 6.9 3000 342 32 271 15| 2.1 6.6 8.6|183.0 -16.1 166.9 55.6 0.48| 12.3 5.9 4000 341 36 284 18| 2.0 5.5 7.4|242.6 -53.3 189.3 47.3 0.40| 11.9 4.8 5000 341 39 291 19| 1.8 4.6 6.4|257.2-109.2 148.0 29.6 0.30| 11.0 3.2 6000 340 41 293 21| 1.7 3.9 5.6|270.8-109.2 161.5 26.9 0.30| 9.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251219.12.gif