UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:0000Z 18 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 ------------------------------------------------------------------------------- SFC 1001 40 -7.9 -17.9 44 10.0 -10.1 305 15 265.2 265.3 263.0 267.8 0.93 1 1000 59 -7.7 -18.7 41 11.0 -10.0 330 13 265.5 265.6 263.2 267.9 0.87 2 997 82 -7.1 -19.1 38 12.0 -9.6 332 15 266.3 266.4 263.7 268.7 0.85 3 965 335 -9.3 -20.3 40 11.0 -11.5 352 32 266.6 266.7 263.8 268.8 0.79 4 957 400 -9.5 -21.5 37 12.0 -11.8 358 30 267.0 267.1 263.9 269.0 0.72 5 951 448 -8.9 -22.9 31 14.0 -11.5 2 30 268.1 268.2 264.6 269.9 0.64 6 925 662 -11.1 -24.1 33 13.0 -13.4 20 25 268.0 268.1 264.4 269.7 0.59 7 875 1086 -14.3 -25.3 39 11.0 -16.1 32 38 268.9 269.0 265.0 270.6 0.56 8 861 1209 -12.1 -26.1 30 14.0 -14.5 30 41 272.5 272.6 267.4 274.0 0.53 9 850 1307 -12.7 -25.7 33 13.0 -14.9 20 36 272.8 272.9 267.7 274.5 0.55 10 820 1580 -14.1 -27.1 32 13.0 -16.2 11 32 274.2 274.3 268.5 275.7 0.51 11 816 1617 -13.9 -26.9 32 13.0 -16.0 11 32 274.8 274.9 268.9 276.3 0.52 12 758 2171 -19.1 -28.1 45 9.0 -20.4 26 37 275.0 275.1 269.0 276.5 0.50 13 754 2211 -18.5 -29.5 37 11.0 -20.0 26 37 276.1 276.1 269.5 277.4 0.44 14 753 2221 -16.5 -30.5 29 14.0 -18.5 26 36 278.3 278.4 270.9 279.6 0.40 15 752 2231 -16.1 -31.1 26 15.0 -18.3 27 36 278.9 278.9 271.2 280.1 0.38 16 747 2281 -16.7 -30.7 29 14.0 -18.7 27 36 278.8 278.8 271.1 280.0 0.40 17 741 2342 -15.5 -30.5 26 15.0 -17.7 28 36 280.7 280.8 272.3 282.0 0.41 18 728 2475 -15.9 -28.9 32 13.0 -18.0 28 35 281.7 281.8 273.0 283.2 0.48 19 700 2769 -18.3 -30.3 34 12.0 -20.0 15 39 282.2 282.3 273.2 283.6 0.44 20 656 3249 -22.3 -31.3 44 9.0 -23.5 12 33 283.0 283.1 273.6 284.3 0.43 21 640 3431 -22.5 -36.5 27 14.0 -24.0 9 27 284.8 284.8 274.3 285.6 0.26 22 634 3500 -22.3 -40.3 18 18.0 -24.1 8 24 285.8 285.8 274.8 286.4 0.18 23 630 3546 -21.9 -39.9 18 18.0 -23.7 7 23 286.7 286.8 275.3 287.4 0.19 24 619 3676 -22.5 -40.5 18 18.0 -24.3 5 18 287.5 287.5 275.7 288.1 0.18 25 574 4224 -27.5 -44.5 18 17.0 -28.8 354 18 287.9 287.9 275.8 288.3 0.13 26 534 4739 -32.1 -48.1 19 16.0 -33.0 14 19 288.4 288.4 276.0 288.7 0.09 27 526 4845 -33.1 -51.1 15 18.0 -34.0 18 19 288.5 288.5 276.0 288.7 0.07 28 509 5075 -34.5 -56.5 9 22.0 -35.4 11 20 289.5 289.5 276.5 289.6 0.04 29 504 5144 -33.7 -58.7 6 25.0 -34.7 8 21 291.3 291.3 277.3 291.4 0.03 30 500 5200 -34.1 -58.1 7 24.0 -35.0 5 21 291.5 291.5 277.4 291.6 0.03 31 464 5718 -37.7 -60.7 7 23.0 -38.4 11 25 293.3 293.3 278.3 293.4 0.02 32 442 6052 -39.3 -61.3 8 22.0 -39.9 7 26 295.4 295.4 279.3 295.4 0.02 33 439 6098 -39.1 -61.1 8 22.0 -39.8 5 26 296.2 296.2 279.7 296.3 0.02 34 424 6336 -40.3 -62.3 8 22.0 -40.9 350 29 297.6 297.6 280.3 297.7 0.02 35 400 6730 -43.5 -61.5 12 18.0 -43.9 350 29 298.5 298.5 280.7 298.5 0.02 36 399 6747 -43.7 -61.7 12 18.0 -44.2 350 29 298.4 298.4 280.7 298.5 0.02 37 359 7452 -46.9 -65.9 10 19.0 -47.3 354 38 303.3 303.3 282.7 303.3 0.02 38 341 7792 -47.9 -67.9 8 20.0 -48.3 358 40 306.4 306.4 284.0 306.5 0.01 39 327 8067 -49.9 -69.9 8 20.0 -50.2 2 39 307.3 307.4 284.3 307.4 0.01 40 319 8229 -49.7 -69.7 8 20.0 -50.0 5 39 309.8 309.8 285.2 309.8 0.01 41 304 8544 -50.9 -68.9 10 18.0 -51.2 360 40 312.4 312.4 286.2 312.5 0.01 42 300 8630 -51.1 -72.1 6 21.0 -51.4 360 43 313.3 313.3 286.5 313.4 0.01 43 285 8964 -51.3 -77.3 3 26.0 -51.6 357 50 317.7 317.7 288.0 317.7 0.00 44 250 9820 -50.1 -79.1 2 29.0 -50.5 355 58 331.6 331.6 292.2 331.6 0.00 45 245 9952 -49.5 -79.2 2 29.7 -50.0 350 58 334.4 334.4 292.9 334.4 0.00 46 235 10225 -48.3 -79.3 2 31.0 -48.8 350 57 340.2 340.2 294.4 340.2 0.00 47 221 10628 -50.1 -80.1 2 30.0 -50.5 350 56 343.5 343.5 295.1 343.5 0.00 48 200 11280 -49.7 -80.7 1 31.0 -50.2 350 54 354.1 354.1 297.5 354.1 0.00 49 160 12745 -47.3 -80.3 1 33.0 -48.1 336 45 381.5 381.5 302.5 381.5 0.00 50 150 13170 -48.7 -80.7 1 32.0 -49.4 350 51 386.2 386.2 303.2 386.2 0.00 51 146 13348 -49.1 -81.1 1 32.0 -49.8 350 55 388.5 388.5 303.6 388.5 0.00 52 134 13913 -48.3 -81.3 1 33.0 -49.1 336 49 399.5 399.5 305.2 399.5 0.00 53 131 14063 -45.9 -80.9 1 35.0 -47.0 332 47 406.4 406.4 306.0 406.4 0.00 54 130 14114 -45.9 -80.9 1 35.0 -47.0 331 46 407.3 407.3 306.2 407.3 0.00 55 119 14702 -47.7 -81.7 1 34.0 -48.7 328 40 414.4 414.4 307.0 414.4 0.00 56 109 15289 -42.1 -79.1 1 37.0 -44.0 319 42 435.5 435.5 309.4 435.6 0.01 57 100 15870 -44.9 -79.9 1 35.0 -46.4 320 33 441.0 441.0 310.0 441.0 0.01 58 96 16142 -46.3 -81.3 1 35.0 -47.7 320 33 443.4 443.4 310.2 443.4 0.01 59 91 16497 -44.7 -80.7 1 36.0 -46.4 315 40 453.4 453.4 311.2 453.5 0.01 60 88 16721 -46.1 -81.1 1 35.0 -47.6 315 34 455.0 455.0 311.3 455.0 0.01 61 84 17030 -45.5 -81.5 1 36.0 -47.2 315 26 462.3 462.3 312.0 462.3 0.01 62 83 17110 -42.9 -79.9 1 37.0 -45.1 308 25 469.2 469.2 312.5 469.2 0.01 63 83 17110 -42.9 -80.9 1 38.0 -45.1 308 25 469.2 469.2 312.5 469.2 0.01 64 82 17192 -41.9 -79.9 1 38.0 -44.3 296 25 472.9 472.9 312.9 472.9 0.01 65 76 17704 -43.9 -80.9 1 37.0 -46.0 276 30 479.1 479.1 313.4 479.1 0.01 66 72 18064 -47.1 -82.1 1 35.0 -48.8 282 35 479.7 479.7 313.4 479.8 0.01 67 70 18250 -46.5 -81.5 1 35.0 -48.3 285 38 484.9 484.9 313.8 484.9 0.01 68 64 18840 -49.3 -83.3 1 34.0 -50.8 297 37 491.3 491.4 314.3 491.4 0.01 69 63 18943 -47.7 -82.7 1 35.0 -49.4 299 36 497.1 497.1 314.7 497.1 0.01 70 59 19375 -48.1 -83.1 1 35.0 -49.9 311 32 505.6 505.6 315.4 505.6 0.01 71 52 20196 -53.5 -85.5 1 32.0 -54.6 268 33 511.6 511.6 315.8 511.7 0.01 72 50 20450 -49.9 -83.9 1 34.0 -51.6 300 43 525.9 525.9 316.6 525.9 0.01 73 50 20450 -50.1 -84.1 1 34.0 -51.8 300 43 525.4 525.4 316.6 525.4 0.01 74 43 21445 -45.5 -81.5 1 36.0 -48.4 324 31 559.9 559.9 318.6 560.0 0.01 75 39 22095 -46.1 -82.1 1 36.0 -49.1 307 36 574.2 574.2 319.4 574.3 0.01 76 37 22444 -48.1 -83.1 1 35.0 -50.7 319 32 577.8 577.8 319.6 577.9 0.01 77 34 23003 -46.3 -82.3 1 36.0 -49.6 296 23 596.7 596.7 320.5 596.8 0.01 78 30 23830 -48.9 -83.9 1 35.0 -51.7 340 37 611.3 611.3 321.1 611.4 0.01 79 28 24283 -47.7 -83.7 1 36.0 -51.0 340 39 626.8 626.9 321.7 626.9 0.01 80 25 25025 -49.5 -83.5 1 34.0 -52.6 352 17 642.3 642.3 322.4 642.4 0.01 81 24 25293 -48.1 -83.1 1 35.0 -51.7 321 22 653.9 653.9 322.9 654.1 0.02 82 20 26480 -52.1 -85.1 1 33.0 -55.0 305 29 676.7 676.7 323.7 676.8 0.01 83 19 26812 -52.3 -85.3 1 33.0 -55.2 304 36 686.1 686.1 324.0 686.2 0.01 84 18 27164 -48.9 -83.9 1 35.0 -53.0 303 35 707.5 707.5 324.7 707.6 0.02 85 17 27539 -49.9 -83.9 1 34.0 -53.8 302 33 716.0 716.0 325.0 716.1 0.02 86 17 27539 -48.9 -83.9 1 35.0 -53.2 302 33 719.2 719.2 325.0 719.3 0.02 TRP 304 8544 -50.9 -68.9 10 18.0 -51.2 360 40 312.4 312.4 286.2 312.5 0.01 WND 245 9952 -49.5 -79.2 2 29.7 -50.0 350 58 334.4 334.4 292.9 334.4 0.00 Sounding variables and indices 1000-500 mb thick: 5141.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 28.87 % Est. max temperature: -0.26 C = 31.52 F Sfc-Lift cond lev (LCL): 852.79 mb = 1281.97 m = 4205.90 ft T: -12.55 C 700-500 lapse rate: 6.50 C/km ThetaE index: 0.25 C Layer 925.0- 875.0 mb Conv cond level (CCL): 573.38 mb = 4231.79 m = 13883.65 ft Mean mixing ratio: 0.69 g/kg Conv temperature: 14.86 C = 58.75 F Cap Strength: 18.19 C Lifted Index: 18.32 C Risk: None Lifted Index @300 mb: 31.20 C Lifted Index @700 mb: 12.73 C Showalter Index: 14.16 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 8.40 C K Index: -16.30 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 3.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.78 J/kg Max Up Vert Vel: 5.05 m/s Conv Inhibition (B-): 67951.85 J/kg Cap Strength: 16.79 C Lift Cond Lev (LCL): 779.43 mb = 1961.91 m = 6436.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 43 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 1001 40 305 15 12.3 -8.6 | 256 27 26.7 6.6 1 1000 59 330 13 6.5 -11.3 | 259 21 20.9 3.9 2 969 305 350 32 5.6 -31.5 | 309 26 19.9 -16.3 3 931 610 15 27 -7.0 -26.1 | 326 13 7.4 -10.9 4 925 662 20 25 -8.6 -23.5 | 325 10 5.8 -8.3 5 895 914 35 34 -19.5 -27.9 | 22 14 -5.1 -12.7 6 860 1219 30 41 -20.5 -35.5 | 17 21 -6.1 -20.3 7 850 1307 20 36 -12.3 -33.8 | 354 19 2.1 -18.6 8 826 1524 10 31 -5.4 -30.5 | 330 18 9.0 -15.3 9 793 1829 15 35 -9.1 -33.8 | 344 19 5.3 -18.6 10 762 2134 25 37 -15.6 -33.5 | 4 18 -1.3 -18.4 11 731 2438 30 35 -17.5 -30.3 | 12 15 -3.1 -15.1 12 702 2743 15 39 -10.1 -37.7 | 349 23 4.3 -22.5 13 700 2769 15 39 -10.1 -37.7 | 349 23 4.3 -22.5 14 673 3048 15 40 -10.4 -38.6 | 350 24 4.0 -23.5 15 619 3658 5 18 -1.6 -17.9 | 282 13 12.8 -2.7 16 593 3962 350 17 3.0 -16.7 | 275 17 17.3 -1.6 17 569 4267 355 18 1.6 -17.9 | 280 16 16.0 -2.7 18 523 4877 20 19 -6.5 -17.9 | 289 8 7.9 -2.7 19 500 5200 5 21 -1.8 -20.9 | 295 14 12.6 -5.7 20 480 5486 360 26 -0.0 -26.0 | 307 18 14.4 -10.8 21 459 5791 15 25 -6.5 -24.1 | 319 12 7.9 -9.0 22 439 6096 5 26 -2.3 -25.9 | 311 16 12.1 -10.7 23 420 6401 345 30 7.8 -29.0 | 302 26 22.1 -13.8 24 400 6730 350 29 5.0 -28.6 | 305 24 19.4 -13.4 25 350 7620 355 40 3.5 -39.8 | 324 30 17.9 -24.7 26 319 8230 5 39 -3.4 -38.9 | 335 26 11.0 -23.7 27 304 8544 360 40 -0.0 -40.0 | 330 29 14.4 -24.8 28 300 8630 360 43 -0.0 -43.0 | 333 31 14.4 -27.8 29 277 9144 355 53 4.6 -52.8 | 333 42 19.0 -37.6 30 250 9820 355 58 5.1 -57.8 | 335 47 19.4 -42.6 31 245 9952 350 58 10.1 -57.1 | 330 49 24.5 -41.9 32 241 10058 350 58 10.1 -57.1 | 330 49 24.5 -41.9 33 200 11280 350 54 9.4 -53.2 | 328 45 23.8 -38.0 34 191 11582 355 49 4.3 -48.8 | 331 38 18.7 -33.6 35 159 12802 335 45 19.0 -40.8 | 307 42 33.4 -25.6 36 151 13106 350 42 7.3 -41.4 | 320 34 21.7 -26.2 37 150 13170 350 51 8.9 -50.2 | 326 42 23.2 -35.0 38 145 13411 350 56 9.7 -55.1 | 329 47 24.1 -40.0 39 126 14326 325 43 24.7 -35.2 | 297 44 39.0 -20.0 40 115 14935 330 39 19.5 -33.8 | 299 39 33.9 -18.6 41 110 15240 320 43 27.6 -32.9 | 293 46 42.0 -17.8 42 100 15850 310 28 21.4 -18.0 | 274 36 35.8 -2.8 43 100 15870 320 33 21.2 -25.3 | 286 37 35.6 -10.1 44 96 16154 320 33 21.2 -25.3 | 286 37 35.6 -10.1 45 92 16459 315 41 29.0 -29.0 | 288 46 43.4 -13.8 46 84 17069 315 25 17.7 -17.7 | 274 32 32.1 -2.5 47 80 17374 270 25 25.0 -0.0 | 249 42 39.4 15.2 48 70 18250 285 38 36.7 -9.8 | 264 51 51.1 5.3 49 70 18288 280 39 38.4 -6.8 | 261 53 52.8 8.4 50 66 18593 290 40 37.6 -13.7 | 268 52 52.0 1.5 51 58 19507 315 30 21.2 -21.2 | 280 36 35.6 -6.0 52 55 19812 265 24 23.9 2.1 | 246 42 38.3 17.3 53 50 20422 270 38 38.0 -0.0 | 254 55 52.4 15.2 54 50 20450 300 43 37.2 -21.5 | 277 52 51.6 -6.3 55 46 21031 325 46 26.4 -37.7 | 299 47 40.8 -22.5 56 44 21336 320 33 21.2 -25.3 | 286 37 35.6 -10.1 57 42 21641 330 28 14.0 -24.2 | 288 30 28.4 -9.1 58 40 21946 305 31 25.4 -17.8 | 274 40 39.8 -2.6 59 38 22250 310 41 31.4 -26.4 | 284 47 45.8 -11.2 60 36 22555 325 26 14.9 -21.3 | 282 30 29.3 -6.1 61 33 23165 285 22 21.3 -5.7 | 255 37 35.6 9.5 62 32 23470 285 15 14.5 -3.9 | 249 31 28.9 11.3 63 30 23774 320 30 19.3 -23.0 | 283 35 33.7 -7.8 64 30 23830 340 37 12.7 -34.8 | 306 33 27.0 -19.6 65 28 24384 340 39 13.3 -36.6 | 308 35 27.7 -21.5 66 26 24689 330 21 10.5 -18.2 | 277 25 24.9 -3.0 67 25 24994 355 16 1.4 -15.9 | 273 16 15.8 -0.8 68 24 25298 320 22 14.1 -16.9 | 273 29 28.5 -1.7 69 22 25908 305 15 12.3 -8.6 | 256 27 26.7 6.6 70 21 26213 320 22 14.1 -16.9 | 273 29 28.5 -1.7 71 20 26480 305 29 23.8 -16.6 | 272 38 38.1 -1.5 72 20 26518 305 37 30.3 -21.2 | 278 45 44.7 -6.0 73 16 27127 300 31 26.8 -15.5 | 270 41 41.2 -0.3 74 14 27432 315 23 16.3 -16.3 | 272 31 30.6 -1.1 75 13 27737 310 23 17.6 -14.8 | 269 32 32.0 0.4 Wind Parameters Mean winds (0-6000m): 13.5 at 27.9 knts Storm direction: 43.5 at 20.9 knts Shear (0-3000m) pos: 8.4 neg: 3.5 tot: 11.8 10-3/s Storm rel Dir Shear (0-3000m): 94.1 deg Storm rel helicity (0-3000m) pos: 266.8 neg: -119.2 tot: 147.6 m^2/s^2 ave: 49.2 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 16.9 stream: 4.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.95 Bulk Shear: 13.47 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 ------------------------------------------------------------------------------- 500 352 26 301 21| 26.2 0.0 26.2|163.7 0.0 163.7 327.4 0.79| 34.9 27.6 1000 11 28 325 15| 20.2 0.0 20.2|200.7 -1.9 198.8 198.8 0.72| 27.5 19.8 1500 16 31 338 16| 13.5 5.0 18.5|200.7 -82.8 117.9 78.6 0.31| 24.9 7.6 2000 16 32 340 16| 12.3 3.7 16.0|244.7 -82.8 161.9 80.9 0.38| 21.0 8.0 2500 18 33 346 16| 10.0 3.0 13.0|264.7 -93.4 171.3 68.5 0.36| 18.7 6.8 3000 18 34 347 17| 8.4 3.5 11.8|266.8-119.2 147.6 49.2 0.29| 16.9 4.9 4000 16 31 339 16| 6.3 4.7 10.9|267.7-210.2 57.4 14.4 0.06| 16.2 1.0 5000 15 29 330 14| 5.8 3.7 9.5|280.9-210.2 70.7 14.1 0.08| 14.1 1.2 6000 13 28 327 14| 4.9 3.2 8.1|306.3-214.4 91.9 15.3 0.11| 13.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251218.00.gif