UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 5 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 1011 15 -6.5 -7.7 91 1.2 -6.8 5 8 265.8 266.2 265.7 271.5 2.11 1 1000 98 -7.3 -7.5 98 0.2 -7.4 355 18 265.9 266.2 265.8 271.7 2.17 2 987 200 -7.9 -7.9 100 0.0 -7.9 10 18 266.2 266.6 266.0 272.0 2.13 3 983 232 -7.5 -7.5 100 0.0 -7.5 15 18 267.0 267.3 266.6 272.9 2.21 4 981 248 -5.7 -5.7 100 0.0 -5.7 17 18 268.9 269.3 268.5 275.8 2.54 5 975 296 -5.1 -5.1 100 0.0 -5.1 24 18 270.0 270.4 269.4 277.2 2.68 6 971 328 -2.3 -2.8 96 0.5 -2.5 27 17 273.1 273.7 272.2 281.8 3.20 7 970 337 -2.1 -2.6 96 0.5 -2.3 27 17 273.4 274.0 272.5 282.3 3.25 8 966 369 -2.1 -2.4 98 0.3 -2.2 29 17 273.7 274.3 272.8 282.8 3.31 9 962 403 -0.5 -1.3 94 0.8 -0.8 32 16 275.7 276.3 274.3 285.6 3.61 10 941 579 -1.3 -1.3 100 0.0 -1.3 43 13 276.6 277.2 275.0 286.7 3.69 11 925 716 -0.7 -1.7 93 1.0 -1.1 40 9 278.6 279.2 276.0 288.7 3.65 12 914 812 -1.1 -2.2 92 1.1 -1.6 33 9 279.1 279.7 276.2 289.0 3.55 13 907 873 -0.5 -3.3 81 2.8 -1.6 28 9 280.4 280.9 276.5 289.6 3.30 14 885 1069 0.0 -5.0 69 5.0 -1.9 20 12 282.9 283.4 277.3 291.3 2.97 15 881 1106 0.2 -4.5 71 4.7 -1.7 19 12 283.4 284.0 277.8 292.3 3.10 16 871 1197 0.0 -5.0 69 5.0 -2.0 16 14 284.2 284.7 278.0 292.8 3.02 17 866 1243 -0.5 -5.3 70 4.8 -2.4 13 14 284.1 284.6 277.9 292.6 2.97 18 850 1392 -1.5 -5.9 72 4.4 -3.1 360 11 284.6 285.1 278.1 292.9 2.89 19 825 1629 -3.7 -6.4 81 2.7 -4.7 355 12 284.7 285.2 278.1 292.9 2.87 20 816 1715 -3.5 -7.7 73 4.2 -5.0 359 12 285.8 286.3 278.3 293.4 2.62 21 812 1754 -3.7 -8.2 71 4.5 -5.3 1 12 286.0 286.4 278.3 293.4 2.53 22 787 2001 -5.3 -10.3 68 5.0 -7.0 349 15 286.8 287.2 278.3 293.3 2.22 23 779 2081 -6.1 -10.4 72 4.3 -7.5 341 16 286.8 287.2 278.3 293.3 2.22 24 732 2565 -9.1 -16.1 57 7.0 -11.1 326 11 288.7 289.0 278.2 293.2 1.49 25 724 2650 -9.5 -15.5 62 6.0 -11.2 330 11 289.2 289.4 278.6 293.9 1.58 26 720 2693 -9.9 -16.9 57 7.0 -11.8 332 11 289.2 289.4 278.4 293.5 1.41 27 716 2736 -9.7 -17.7 52 8.0 -11.8 335 11 289.9 290.1 278.6 293.9 1.33 28 700 2910 -10.9 -19.9 47 9.0 -13.1 340 14 290.4 290.6 278.6 293.9 1.12 29 698 2932 -10.9 -20.9 44 10.0 -13.3 338 14 290.7 290.8 278.6 293.9 1.03 30 676 3177 -12.9 -21.9 47 9.0 -14.9 336 14 291.1 291.3 278.7 294.1 0.98 31 658 3382 -14.5 -24.5 42 10.0 -16.5 345 14 291.5 291.7 278.6 294.1 0.80 32 648 3497 -15.3 -28.3 32 13.0 -17.6 345 14 291.9 292.0 278.5 293.7 0.57 33 646 3521 -15.5 -33.5 20 18.0 -18.3 345 14 291.9 292.0 278.2 293.1 0.35 34 638 3615 -16.3 -36.3 16 20.0 -19.1 345 13 292.1 292.1 278.1 293.0 0.27 35 632 3686 -16.3 -47.3 5 31.0 -19.5 345 13 292.9 292.9 278.2 293.2 0.08 36 602 4050 -18.7 -49.7 5 31.0 -21.5 345 16 294.2 294.2 278.8 294.4 0.07 37 571 4440 -22.5 -43.5 13 21.0 -24.5 340 19 294.2 294.2 279.0 294.7 0.14 38 508 5287 -29.1 -43.1 25 14.0 -30.2 346 23 296.2 296.2 279.9 296.8 0.17 39 500 5400 -29.7 -45.7 20 16.0 -30.9 345 23 296.8 296.9 280.1 297.3 0.13 40 474 5779 -33.3 -47.3 23 14.0 -34.2 350 18 296.9 297.0 280.1 297.3 0.11 41 470 5838 -33.5 -49.5 19 16.0 -34.4 347 18 297.4 297.4 280.3 297.7 0.09 42 466 5899 -33.1 -54.1 10 21.0 -34.1 342 19 298.6 298.6 280.8 298.8 0.05 43 450 6144 -34.5 -53.5 13 19.0 -35.4 324 20 299.9 299.9 281.4 300.1 0.06 44 412 6757 -38.5 -58.5 10 20.0 -39.2 291 20 302.4 302.4 282.4 302.5 0.03 45 400 6960 -39.1 -63.1 6 24.0 -39.8 275 24 304.2 304.2 283.1 304.2 0.02 46 393 7080 -39.7 -65.7 5 26.0 -40.4 270 27 304.9 304.9 283.4 305.0 0.01 47 392 7098 -39.7 -65.7 5 26.0 -40.4 269 27 305.2 305.2 283.5 305.2 0.01 48 388 7168 -39.3 -67.3 4 28.0 -40.1 266 29 306.6 306.6 284.0 306.6 0.01 49 355 7770 -42.5 -68.5 4 26.0 -43.1 263 38 310.2 310.2 285.4 310.2 0.01 50 350 7866 -43.5 -61.5 12 18.0 -44.0 261 39 310.1 310.1 285.4 310.2 0.03 51 343 8001 -43.7 -70.7 3 27.0 -44.3 263 37 311.6 311.6 285.9 311.6 0.01 52 306 8760 -47.5 -74.5 3 27.0 -47.9 279 23 316.6 316.6 287.6 316.6 0.01 53 300 8890 -48.3 -74.3 3 26.0 -48.7 275 23 317.3 317.3 287.9 317.3 0.01 54 283 9271 -50.7 -75.7 4 25.0 -51.0 285 25 319.2 319.2 288.5 319.2 0.00 55 265 9699 -50.7 -77.7 3 27.0 -51.0 303 24 325.2 325.2 290.3 325.2 0.00 56 260 9823 -48.7 -77.7 2 29.0 -49.1 301 25 329.9 329.9 291.7 330.0 0.00 57 250 10080 -49.9 -77.9 2 28.0 -50.3 285 30 331.9 331.9 292.2 331.9 0.00 58 200 11550 -49.1 -80.1 1 31.0 -49.6 305 22 355.0 355.0 297.7 355.0 0.00 59 150 13440 -49.3 -81.3 1 32.0 -50.0 285 26 385.1 385.1 303.1 385.1 0.00 60 100 16100 -49.5 -82.5 1 33.0 -50.5 295 24 432.1 432.1 309.0 432.1 0.00 61 95 16435 -51.3 -83.3 1 32.0 -52.1 295 24 434.9 434.9 309.4 435.0 0.00 62 82 17397 -48.3 -82.3 1 34.0 -49.6 274 32 459.8 459.8 311.7 459.8 0.01 63 78 17726 -49.5 -82.5 1 33.0 -50.7 270 27 463.9 463.9 312.1 463.9 0.01 64 76 17897 -46.7 -81.7 1 35.0 -48.4 287 30 473.2 473.2 312.9 473.3 0.01 65 72 18254 -48.5 -82.5 1 34.0 -50.0 291 28 476.8 476.8 313.2 476.8 0.01 66 70 18440 -47.7 -82.7 1 35.0 -49.3 265 23 482.3 482.3 313.7 482.4 0.01 67 65 18932 -45.5 -81.5 1 36.0 -47.6 262 25 497.5 497.5 314.8 497.5 0.01 68 59 19573 -48.5 -82.5 1 34.0 -50.2 278 29 504.7 504.7 315.3 504.8 0.01 69 56 19916 -48.5 -82.5 1 34.0 -50.3 280 32 512.3 512.3 315.8 512.3 0.01 70 53 20281 -45.1 -81.1 1 36.0 -47.7 282 35 528.3 528.3 316.8 528.4 0.01 71 52 20409 -45.1 -81.1 1 36.0 -47.7 283 36 531.2 531.2 317.0 531.3 0.01 72 50 20670 -46.1 -82.1 1 36.0 -48.6 285 38 534.8 534.8 317.2 534.9 0.01 73 49 20804 -46.3 -82.3 1 36.0 -48.7 283 39 537.5 537.5 317.3 537.5 0.01 74 47 21082 -44.5 -81.5 1 37.0 -47.4 280 38 548.2 548.2 318.0 548.3 0.01 75 44 21524 -44.9 -81.9 1 37.0 -47.9 283 32 557.7 557.7 318.5 557.7 0.01 76 44 21524 -42.5 -80.5 1 38.0 -46.2 283 32 563.5 563.5 318.8 563.6 0.01 77 43 21679 -41.9 -79.9 1 38.0 -45.8 284 34 568.7 568.7 319.1 568.8 0.02 78 38 22517 -41.9 -80.9 1 39.0 -46.2 261 29 589.2 589.2 320.1 589.3 0.02 79 30 24110 -44.3 -81.3 1 37.0 -48.4 275 22 623.9 623.9 321.6 624.0 0.02 80 20 26800 -47.7 -83.7 1 36.0 -51.9 310 25 690.2 690.2 324.1 690.3 0.02 81 14 29135 -51.5 -84.5 1 33.0 -55.4 343 16 751.4 751.4 326.0 751.6 0.02 82 13 29618 -50.1 -84.1 1 34.0 -54.7 2 14 772.4 772.4 326.5 772.6 0.03 TRP 283 9271 -50.7 -75.7 4 25.0 -51.0 285 25 319.2 319.2 288.5 319.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5302.00 m Freezing level: Surface below freezing Freezing level: 885.00 mb = 1069.38 m = 3508.41 ft Freezing level: 871.00 mb = 1197.13 m = 3927.55 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 49.55 % Est. max temperature: 11.99 C = 53.58 F Sfc-Lift cond lev (LCL): 991.74 mb = 162.66 m = 533.67 ft T: -7.68 C 700-500 lapse rate: 7.55 C/km ThetaE index: 0.46 C Layer 720.0- 716.0 mb Conv cond level (CCL): 1000.00 mb = 98.00 m = 321.52 ft Mean mixing ratio: 3.10 g/kg Conv temperature: -2.00 C = 28.40 F Cap Strength: 12.54 C Lifted Index: 13.00 C Risk: None Lifted Index @300 mb: 25.33 C Lifted Index @700 mb: 10.58 C Showalter Index: 4.38 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 23.80 C K Index: 13.30 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.15 J/kg Max Up Vert Vel: 11.67 m/s Conv Inhibition (B-): 69200.82 J/kg Cap Strength: 12.65 C Lift Cond Lev (LCL): 956.33 mb = 449.80 m = 1475.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 at 12 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 1011 15 5 8 -0.7 -8.0 | 226 4 3.3 3.1 1 1000 98 355 18 1.6 -17.9 | 321 9 5.5 -6.9 2 974 305 25 18 -7.6 -16.3 | 35 6 -3.7 -5.2 3 937 610 45 12 -8.5 -8.5 | 120 5 -4.5 2.6 4 925 716 40 9 -5.8 -6.9 | 156 5 -1.8 4.2 5 902 914 25 9 -3.8 -8.2 | 183 3 0.1 2.9 6 869 1219 15 14 -3.6 -13.5 | 352 2 0.3 -2.5 7 850 1392 360 11 -0.0 -11.0 | 269 4 4.0 0.1 8 836 1524 350 11 1.9 -10.8 | 268 6 5.9 0.2 9 804 1829 5 13 -1.1 -13.0 | 304 3 2.8 -1.9 10 773 2134 335 17 7.2 -15.4 | 291 12 11.1 -4.3 11 744 2438 320 11 7.1 -8.4 | 257 11 11.0 2.6 12 715 2743 335 11 4.6 -10.0 | 263 9 8.6 1.1 13 700 2910 340 14 4.8 -13.2 | 283 9 8.7 -2.1 14 687 3048 330 14 7.0 -12.1 | 276 11 11.0 -1.1 15 659 3353 345 14 3.6 -13.5 | 288 8 7.6 -2.5 16 633 3658 345 13 3.4 -12.6 | 281 7 7.3 -1.5 17 583 4267 345 18 4.7 -17.4 | 306 11 8.6 -6.3 18 559 4572 335 21 8.9 -19.0 | 302 15 12.8 -8.0 19 537 4877 350 21 3.6 -20.7 | 322 12 7.6 -9.6 20 500 5400 345 23 6.0 -22.2 | 318 15 9.9 -11.1 21 494 5486 345 23 6.0 -22.2 | 318 15 9.9 -11.1 22 473 5791 350 18 3.1 -17.7 | 313 10 7.1 -6.7 23 453 6096 325 20 11.5 -16.4 | 289 16 15.4 -5.3 24 433 6401 320 19 12.2 -14.6 | 282 17 16.2 -3.5 25 415 6706 295 19 17.2 -8.0 | 262 21 21.2 3.0 26 400 6960 275 24 23.9 -2.1 | 252 29 27.9 9.0 27 379 7315 260 32 31.5 5.6 | 245 39 35.5 16.6 28 363 7620 265 37 36.9 3.2 | 251 43 40.8 14.3 29 346 7925 260 39 38.4 6.8 | 247 46 42.4 17.8 30 316 8534 285 24 23.2 -6.2 | 260 28 27.1 4.9 31 300 8890 275 23 22.9 -2.0 | 251 28 26.9 9.1 32 289 9144 280 24 23.6 -4.2 | 256 28 27.6 6.9 33 283 9271 285 25 24.1 -6.5 | 261 28 28.1 4.6 34 263 9754 305 24 19.7 -13.8 | 277 24 23.6 -2.7 35 250 10080 285 30 29.0 -7.8 | 264 33 32.9 3.3 36 239 10363 285 30 29.0 -7.8 | 264 33 32.9 3.3 37 229 10668 300 26 22.5 -13.0 | 274 27 26.5 -1.9 38 208 11278 280 21 20.7 -3.6 | 253 26 24.6 7.4 39 200 11550 305 22 18.0 -12.6 | 274 22 22.0 -1.5 40 199 11582 305 22 18.0 -12.6 | 274 22 22.0 -1.5 41 190 11887 295 18 16.3 -7.6 | 260 21 20.3 3.5 42 165 12802 265 20 19.9 1.7 | 242 27 23.9 12.8 43 151 13411 290 25 23.5 -8.6 | 265 28 27.4 2.5 44 150 13440 285 26 25.1 -6.7 | 262 29 29.1 4.3 45 131 14326 270 33 33.0 -0.0 | 253 39 37.0 11.1 46 119 14935 290 29 27.3 -9.9 | 268 31 31.2 1.2 47 114 15240 275 23 22.9 -2.0 | 251 28 26.9 9.1 48 104 15850 275 30 29.9 -2.6 | 256 35 33.8 8.5 49 100 16100 295 24 21.8 -10.1 | 268 26 25.7 0.9 50 99 16154 300 25 21.7 -12.5 | 273 26 25.6 -1.4 51 95 16459 295 24 21.8 -10.1 | 268 26 25.7 0.9 52 90 16764 265 22 21.9 1.9 | 243 29 25.9 13.0 53 82 17374 275 33 32.9 -2.9 | 257 38 36.8 8.2 54 79 17678 265 26 25.9 2.3 | 246 33 29.9 13.3 55 75 17983 295 32 29.0 -13.5 | 274 33 33.0 -2.5 56 72 18288 290 28 26.3 -9.6 | 267 30 30.3 1.5 57 70 18440 265 23 22.9 2.0 | 244 30 26.9 13.1 58 68 18593 280 20 19.7 -3.5 | 252 25 23.6 7.6 59 65 18898 260 25 24.6 4.3 | 242 32 28.6 15.4 60 62 19202 275 26 25.9 -2.3 | 254 31 29.9 8.8 61 50 20670 285 38 36.7 -9.8 | 268 41 40.7 1.2 62 47 21031 280 40 39.4 -6.9 | 265 44 43.3 4.1 63 45 21336 280 28 27.6 -4.9 | 259 32 31.5 6.2 64 43 21641 285 34 32.8 -8.8 | 266 37 36.8 2.3 65 38 22555 260 29 28.6 5.0 | 244 36 32.5 16.1 66 33 23470 270 28 28.0 -0.0 | 251 34 32.0 11.1 67 30 24079 255 29 28.0 7.5 | 240 37 32.0 18.6 68 30 24110 275 22 21.9 -1.9 | 251 27 25.9 9.2 69 29 24384 280 23 22.7 -4.0 | 255 28 26.6 7.1 70 26 24994 280 17 16.7 -3.0 | 249 22 20.7 8.1 71 25 25298 260 25 24.6 4.3 | 242 32 28.6 15.4 72 23 25908 315 26 18.4 -18.4 | 288 24 22.3 -7.3 73 21 26518 260 22 21.7 3.8 | 240 30 25.6 14.9 74 20 26800 310 25 19.2 -16.1 | 282 24 23.1 -5.0 75 20 26822 265 24 23.9 2.1 | 245 31 27.9 13.2 76 18 27127 305 26 21.3 -14.9 | 279 26 25.2 -3.8 77 16 27432 325 21 12.0 -17.2 | 291 17 16.0 -6.1 78 14 27737 340 16 5.5 -15.0 | 293 10 9.4 -4.0 79 13 28042 10 13 -2.3 -12.8 | 316 2 1.7 -1.7 80 11 28346 335 10 4.2 -9.1 | 256 8 8.2 2.0 81 9 28956 245 2 1.8 0.8 | 206 13 5.8 11.9 82 6 29870 160 7 -2.4 6.6 | 185 18 1.6 17.6 Wind Parameters Mean winds (0-6000m): 349.6 at 15.7 knts Storm direction: 19.6 at 11.8 knts Shear (0-3000m) pos: 1.8 neg: 2.6 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 50.9 deg Storm rel helicity (0-3000m) pos: 51.9 neg: -29.7 tot: 22.2 m^2/s^2 ave: 7.4 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 12.4 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 8.98 Bulk Shear: 7.59 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 16 10 5| 8.7 0.0 8.7| 31.3 0.0 31.3 62.6 0.95| 27.0 25.6 1000 24 13 52 2| 4.4 2.5 6.8| 39.4 -0.0 39.3 39.3 0.89| 18.4 16.4 1500 19 13 14 1| 2.9 3.6 6.5| 39.4 -3.0 36.3 24.2 0.65| 16.0 10.3 2000 13 13 326 2| 2.2 3.3 5.5| 42.6 -4.0 38.5 19.3 0.59| 14.2 8.3 2500 4 13 304 4| 1.7 3.1 4.9| 42.6 -27.2 15.4 6.2 0.37| 13.5 5.0 3000 359 13 294 5| 1.8 2.6 4.4| 51.9 -29.7 22.2 7.4 0.38| 12.4 4.7 4000 354 13 292 6| 1.7 2.0 3.7| 60.7 -30.9 29.8 7.4 0.39| 10.2 3.9 5000 351 15 298 7| 1.8 2.1 3.9| 79.8 -33.6 46.2 9.2 0.39| 9.3 3.7 6000 350 16 303 8| 1.5 2.1 3.6| 79.8 -51.6 28.2 4.7 0.29| 8.8 2.6 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251205.12.gif