UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 4 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 1007 40 -0.9 -1.0 99 0.1 -0.9 270 3 271.7 272.3 271.8 281.2 3.52 1 1000 108 -0.3 -0.7 97 0.4 -0.4 355 6 272.9 273.5 272.7 282.7 3.63 2 998 124 0.0 -0.6 96 0.6 -0.2 357 6 273.3 273.9 273.0 283.2 3.66 3 987 213 -0.5 -1.2 95 0.7 -0.8 6 5 273.7 274.3 273.1 283.3 3.54 4 977 294 1.2 -2.7 75 3.9 -0.3 14 5 276.2 276.7 274.0 285.0 3.20 5 974 319 1.6 -1.8 78 3.4 0.2 16 5 276.8 277.4 274.7 286.3 3.44 6 971 344 3.0 -0.8 76 3.8 1.4 18 5 278.5 279.1 276.0 288.8 3.71 7 970 353 3.0 -0.8 76 3.8 1.4 19 5 278.6 279.2 276.0 288.8 3.71 8 950 521 2.4 -1.3 77 3.7 0.8 33 3 279.6 280.2 276.6 289.8 3.66 9 935 650 3.2 0.2 81 3.0 1.9 27 2 281.7 282.4 278.3 293.3 4.15 10 925 737 2.4 -0.4 82 2.8 1.2 360 3 281.8 282.5 278.2 293.0 4.01 11 850 1415 -1.9 -2.1 99 0.2 -2.0 150 7 284.2 284.8 279.1 295.1 3.85 12 847 1443 -2.1 -2.1 100 0.0 -2.1 150 7 284.2 284.9 279.1 295.2 3.87 13 700 2932 -11.9 -11.9 100 0.0 -11.9 165 9 289.3 289.7 279.4 295.8 2.19 14 687 3075 -12.9 -13.0 99 0.1 -12.9 176 8 289.7 290.1 279.5 295.8 2.04 15 647 3532 -15.1 -16.2 91 1.1 -15.4 209 6 292.3 292.6 280.1 297.3 1.67 16 572 4452 -22.1 -22.9 93 0.8 -22.2 222 7 294.5 294.7 280.4 297.9 1.06 17 571 4465 -22.1 -23.3 90 1.2 -22.3 222 7 294.7 294.9 280.4 297.9 1.02 18 569 4490 -21.7 -26.0 68 4.3 -22.5 222 7 295.5 295.6 280.5 298.0 0.81 19 563 4569 -22.3 -26.1 71 3.8 -22.9 220 8 295.6 295.8 280.6 298.2 0.81 20 548 4767 -23.7 -26.5 78 2.8 -24.2 217 9 296.3 296.4 280.8 298.8 0.80 21 546 4793 -24.3 -30.3 58 6.0 -25.2 217 9 295.9 296.0 280.3 297.7 0.56 22 544 4820 -24.5 -30.5 57 6.0 -25.4 216 10 295.9 296.0 280.3 297.8 0.55 23 540 4874 -25.1 -31.1 57 6.0 -25.9 215 10 295.9 295.9 280.3 297.6 0.53 24 536 4928 -25.5 -31.5 57 6.0 -26.3 216 11 296.0 296.1 280.3 297.7 0.51 25 532 4982 -26.3 -37.3 35 11.0 -27.5 218 11 295.7 295.7 279.8 296.7 0.29 26 529 5023 -26.5 -36.5 38 10.0 -27.6 220 12 295.9 296.0 280.0 297.0 0.32 27 525 5078 -25.9 -28.2 81 2.3 -26.2 222 13 297.3 297.4 281.1 299.6 0.71 28 523 5106 -25.7 -27.5 85 1.8 -26.0 223 13 297.8 298.0 281.5 300.3 0.76 29 518 5175 -26.7 -31.7 63 5.0 -27.3 226 14 297.5 297.6 281.0 299.2 0.52 30 511 5274 -27.7 -44.7 18 17.0 -29.1 229 16 297.4 297.4 280.4 297.9 0.14 31 500 5430 -28.7 -48.7 13 20.0 -30.1 235 18 298.0 298.1 280.6 298.4 0.09 32 494 5516 -29.5 -48.5 14 19.0 -30.8 235 20 298.1 298.1 280.7 298.4 0.09 33 492 5545 -29.3 -41.3 30 12.0 -30.4 234 21 298.7 298.7 281.1 299.4 0.21 34 485 5648 -30.1 -46.1 20 16.0 -31.3 232 24 298.9 299.0 281.1 299.4 0.13 35 478 5751 -30.7 -41.7 33 11.0 -31.6 231 27 299.4 299.5 281.4 300.2 0.21 36 473 5826 -31.3 -38.3 50 7.0 -32.0 230 29 299.6 299.6 281.6 300.6 0.30 37 467 5916 -31.9 -38.9 50 7.0 -32.6 230 28 299.9 300.0 281.7 300.9 0.28 38 445 6255 -35.1 -40.1 60 5.0 -35.5 236 26 300.1 300.1 281.7 301.0 0.26 39 443 6286 -35.3 -39.6 65 4.3 -35.7 237 25 300.2 300.3 281.8 301.2 0.28 40 436 6397 -35.9 -38.5 77 2.6 -36.1 242 25 300.8 300.9 282.1 301.9 0.31 41 430 6493 -36.7 -39.0 79 2.3 -36.9 246 25 301.0 301.1 282.2 302.0 0.30 42 417 6705 -38.5 -41.9 70 3.4 -38.7 255 24 301.3 301.4 282.3 302.1 0.23 43 401 6973 -40.5 -43.8 70 3.3 -40.7 255 29 302.1 302.2 282.5 302.8 0.20 44 400 6990 -40.7 -43.9 71 3.2 -40.9 255 29 302.1 302.1 282.5 302.8 0.19 45 388 7196 -42.3 -44.2 82 1.9 -42.4 253 31 302.6 302.7 282.7 303.3 0.19 46 385 7248 -42.5 -45.5 72 3.0 -42.6 253 31 303.0 303.1 282.8 303.7 0.17 47 382 7300 -42.9 -44.8 81 1.9 -43.0 253 31 303.2 303.2 283.0 303.9 0.18 48 372 7478 -44.3 -46.9 75 2.6 -44.4 251 33 303.7 303.7 283.1 304.2 0.15 49 365 7604 -45.3 -46.5 88 1.2 -45.3 250 34 304.0 304.0 283.2 304.5 0.16 50 363 7641 -45.7 -47.8 79 2.1 -45.8 250 34 303.9 303.9 283.2 304.4 0.14 51 361 7677 -45.7 -48.5 73 2.8 -45.8 251 34 304.4 304.4 283.4 304.9 0.13 52 351 7863 -46.7 -50.4 66 3.7 -46.9 254 35 305.5 305.5 283.7 305.9 0.11 53 345 7977 -47.5 -50.3 73 2.8 -47.6 256 36 305.9 305.9 283.9 306.3 0.11 54 340 8073 -47.9 -51.6 65 3.7 -48.0 257 36 306.7 306.7 284.2 307.0 0.10 55 333 8209 -48.3 -50.3 80 2.0 -48.4 259 37 307.9 308.0 284.7 308.4 0.11 56 315 8572 -49.9 -54.4 59 4.5 -50.0 265 39 310.7 310.7 285.7 310.9 0.07 57 300 8890 -49.7 -63.7 18 14.0 -50.0 255 42 315.3 315.3 287.2 315.4 0.02 58 250 10080 -52.3 -68.3 13 16.0 -52.6 255 48 328.3 328.3 291.3 328.4 0.02 59 200 11530 -50.3 -72.3 6 22.0 -50.8 250 45 353.1 353.1 297.3 353.2 0.01 60 150 13410 -49.3 -73.3 4 24.0 -50.0 250 63 385.1 385.1 303.1 385.2 0.01 61 100 16060 -49.5 -77.5 2 28.0 -50.5 260 65 432.1 432.1 309.1 432.1 0.01 62 96 16328 -49.3 -77.3 2 28.0 -50.4 260 70 437.5 437.5 309.6 437.5 0.01 63 90 16751 -49.1 -77.1 2 28.0 -50.2 257 64 446.1 446.1 310.5 446.2 0.01 64 88 16900 -46.7 -76.7 2 30.0 -48.1 255 61 453.8 453.8 311.2 453.9 0.01 65 84 17208 -47.5 -77.5 2 30.0 -48.9 252 54 458.2 458.2 311.6 458.3 0.01 66 83 17287 -45.7 -76.7 2 31.0 -47.4 251 53 463.5 463.5 312.1 463.6 0.01 67 70 18420 -46.7 -79.7 1 33.0 -48.4 255 57 484.5 484.5 313.8 484.5 0.01 68 68 18612 -47.5 -79.5 1 32.0 -49.2 254 57 486.8 486.8 314.0 486.8 0.01 69 59 19557 -45.1 -79.1 1 34.0 -47.4 251 58 512.3 512.4 315.8 512.4 0.01 70 56 19905 -46.5 -81.5 1 35.0 -48.7 251 57 516.9 516.9 316.1 516.9 0.01 71 50 20660 -45.5 -81.5 1 36.0 -48.1 260 49 536.2 536.2 317.3 536.3 0.01 72 35 23059 -40.9 -80.9 1 40.0 -45.7 262 42 605.8 605.8 320.9 605.9 0.02 73 34 23255 -42.7 -80.7 1 38.0 -47.0 263 44 606.1 606.1 320.9 606.3 0.02 74 31 23879 -42.1 -81.1 1 39.0 -46.9 268 42 624.0 624.0 321.6 624.1 0.02 75 30 24100 -42.7 -81.7 1 39.0 -47.4 265 32 628.2 628.2 321.8 628.4 0.02 76 26 25059 -44.5 -82.5 1 38.0 -49.0 265 33 649.4 649.4 322.7 649.5 0.02 77 25 25323 -42.3 -81.3 1 39.0 -47.7 268 31 663.0 663.0 323.2 663.2 0.02 78 20 26820 -44.7 -82.7 1 38.0 -50.0 265 41 699.4 699.4 324.4 699.5 0.02 79 18 27522 -45.3 -83.3 1 38.0 -50.7 273 44 718.9 718.9 325.0 719.0 0.02 80 16 28299 -48.9 -84.9 1 36.0 -53.4 293 39 731.7 731.7 325.4 731.9 0.02 81 16 28299 -49.1 -85.1 1 36.0 -53.5 293 39 731.1 731.1 325.4 731.2 0.02 82 15 28721 -48.9 -84.9 1 36.0 -53.5 297 42 745.4 745.4 325.8 745.5 0.02 83 15 28721 -45.5 -84.5 0 39.0 -51.4 297 42 756.7 756.7 326.1 756.8 0.02 84 14 29182 -43.9 -83.9 0 40.0 -50.8 300 38 777.2 777.2 326.7 777.4 0.02 85 14 29182 -43.9 -82.9 1 39.0 -50.8 300 38 777.2 777.2 326.7 777.4 0.03 86 12 30212 -45.1 -83.1 1 38.0 -52.0 300 15 807.9 808.0 327.4 808.3 0.03 87 10 31410 -51.5 -85.5 1 34.0 -56.4 315 21 827.3 827.3 327.9 827.5 0.03 88 9.9 31475 -51.5 -86.5 1 35.0 -56.5 829.7 829.7 328.0 829.9 0.02 TRP 315 8572 -49.9 -54.4 59 4.5 -50.0 265 39 310.7 310.7 285.7 310.9 0.07 WND 96 16328 -49.3 -77.3 2 28.0 -50.4 260 70 437.5 437.5 309.6 437.5 0.01 Sounding variables and indices 1000-500 mb thick: 5322.00 m Freezing level: Surface below freezing Freezing level: 998.00 mb = 124.03 m = 406.93 ft Freezing level: 998.00 mb = 124.03 m = 406.93 ft Freezing level: 984.06 mb = 236.80 m = 776.90 ft Freezing level: 883.14 mb = 1115.42 m = 3659.47 ft Wetbulb zero: Below ground Precipitable water: 0.53 inches Sfc-500 mean rel hum: 86.35 % Est. max temperature: 11.34 C = 52.42 F Sfc-Lift cond lev (LCL): 1005.23 mb = 57.15 m = 187.51 ft T: -0.75 C 700-500 lapse rate: 6.73 C/km ThetaE index: 0.31 C Layer 925.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 108.00 m = 354.33 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 0.30 C = 32.54 F Cap Strength: 8.56 C Lifted Index: 8.37 C Risk: None Lifted Index @300 mb: 18.78 C Lifted Index @700 mb: 4.49 C Showalter Index: 3.80 C Risk: None Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 26.60 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 120.00 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.82 J/kg Max Up Vert Vel: 9.68 m/s Conv Inhibition (B-): 63533.62 J/kg Cap Strength: 8.13 C Lift Cond Lev (LCL): 917.91 mb = 798.69 m = 2620.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 7 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 1007 40 270 3 3.0 -0.0 | 38 5 -3.0 -3.8 1 1000 108 355 6 0.5 -6.0 | 29 11 -5.5 -9.8 2 976 305 15 5 -1.3 -4.8 | 40 11 -7.3 -8.7 3 940 610 40 2 -1.3 -1.5 | 54 9 -7.3 -5.4 4 925 737 360 3 -0.0 -3.0 | 41 9 -6.0 -6.8 5 905 914 20 5 -1.7 -4.7 | 42 12 -7.7 -8.5 6 871 1219 160 6 -2.1 5.6 | 103 8 -8.1 1.8 7 850 1415 150 7 -3.5 6.1 | 103 10 -9.5 2.2 8 806 1829 150 7 -3.5 6.1 | 103 10 -9.5 2.2 9 775 2134 175 8 -0.7 8.0 | 122 8 -6.7 4.1 10 746 2438 165 10 -2.6 9.7 | 124 10 -8.6 5.8 11 717 2743 165 11 -2.8 10.6 | 127 11 -8.8 6.8 12 700 2932 165 9 -2.3 8.7 | 120 10 -8.3 4.9 13 635 3658 220 5 3.2 3.8 | 90 3 -2.8 -0.0 14 585 4267 225 6 4.2 4.2 | 103 2 -1.8 0.4 15 539 4877 215 10 5.7 8.2 | 177 4 -0.3 4.4 16 500 5430 235 18 14.7 10.3 | 233 11 8.7 6.5 17 496 5486 235 19 15.6 10.9 | 234 12 9.6 7.1 18 475 5791 230 29 22.2 18.6 | 228 22 16.2 14.8 19 455 6096 230 26 19.9 16.7 | 227 19 13.9 12.9 20 417 6706 255 24 23.2 6.2 | 262 17 17.2 2.4 21 400 6990 255 29 28.0 7.5 | 261 22 22.0 3.7 22 364 7620 250 34 31.9 11.6 | 253 27 26.0 7.8 23 315 8572 265 39 38.9 3.4 | 271 33 32.9 -0.4 24 300 8890 255 42 40.6 10.9 | 259 35 34.6 7.0 25 289 9144 260 40 39.4 6.9 | 265 34 33.4 3.1 26 250 10080 255 48 46.4 12.4 | 258 41 40.4 8.6 27 228 10668 255 53 51.2 13.7 | 258 46 45.2 9.9 28 218 10973 265 45 44.8 3.9 | 270 39 38.8 0.1 29 208 11278 260 41 40.4 7.1 | 265 35 34.4 3.3 30 200 11530 250 45 42.3 15.4 | 252 38 36.3 11.6 31 189 11887 245 54 48.9 22.8 | 246 47 42.9 19.0 32 181 12192 250 64 60.1 21.9 | 252 57 54.1 18.1 33 150 13410 250 63 59.2 21.5 | 252 56 53.2 17.7 34 137 14021 265 60 59.8 5.2 | 269 54 53.8 1.4 35 124 14630 250 58 54.5 19.8 | 252 51 48.5 16.0 36 113 15240 255 58 56.0 15.0 | 257 51 50.0 11.2 37 100 16060 260 65 64.0 11.3 | 263 58 58.0 7.4 38 96 16328 260 70 68.9 12.2 | 262 63 62.9 8.3 39 94 16459 260 70 68.9 12.2 | 262 63 62.9 8.3 40 82 17374 250 51 47.9 17.4 | 252 44 41.9 13.6 41 75 17983 255 67 64.7 17.3 | 257 60 58.7 13.5 42 71 18288 260 63 62.0 10.9 | 263 56 56.0 7.1 43 70 18420 255 57 55.1 14.8 | 257 50 49.1 10.9 44 57 19812 250 58 54.5 19.8 | 252 51 48.5 16.0 45 50 20660 260 49 48.3 8.5 | 264 43 42.3 4.7 46 50 20726 270 53 53.0 -0.0 | 275 47 47.0 -3.8 47 47 21031 260 48 47.3 8.3 | 264 42 41.3 4.5 48 45 21336 260 52 51.2 9.0 | 263 46 45.2 5.2 49 41 21946 255 57 55.1 14.8 | 257 50 49.1 10.9 50 36 22860 260 39 38.4 6.8 | 265 33 32.4 2.9 51 33 23470 265 47 46.8 4.1 | 270 41 40.8 0.3 52 30 24079 270 39 39.0 -0.0 | 277 33 33.0 -3.8 53 30 24100 265 32 31.9 2.8 | 272 26 25.9 -1.0 54 29 24384 270 33 33.0 -0.0 | 278 27 27.0 -3.8 55 27 24689 260 35 34.5 6.1 | 266 29 28.5 2.2 56 23 25908 275 27 26.9 -2.4 | 287 22 20.9 -6.2 57 21 26518 260 25 24.6 4.3 | 268 19 18.6 0.5 58 20 26820 265 41 40.8 3.6 | 270 35 34.8 -0.3 59 19 27127 260 39 38.4 6.8 | 265 33 32.4 2.9 60 18 27432 270 45 45.0 -0.0 | 276 39 39.0 -3.8 61 17 28042 290 37 34.8 -12.7 | 300 33 28.8 -16.5 62 14 28956 300 44 38.1 -22.0 | 309 41 32.1 -25.8 63 13 29566 300 28 24.2 -14.0 | 314 26 18.2 -17.8 64 13 29870 315 25 17.7 -17.7 | 332 24 11.7 -21.5 65 12 30175 300 15 13.0 -7.5 | 328 13 7.0 -11.3 66 10 31410 315 21 14.8 -14.8 | 335 21 8.9 -18.7 Wind Parameters Mean winds (0-6000m): 207.4 at 9.5 knts Storm direction: 237.4 at 7.1 knts Shear (0-3000m) pos: 1.1 neg: 0.5 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 84.8 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -9.2 tot: 47.4 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.83 Bulk Shear: 25.62 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 8 5 39 11| 5.2 0.0 5.2| 11.0 -1.8 9.2 18.5 0.26| 11.2 2.9 1000 16 4 43 11| 4.3 0.0 4.3| 27.3 -5.8 21.6 21.6 0.32| 10.4 3.3 1500 63 5 60 12| 3.0 0.0 3.0| 46.5 -5.8 40.7 27.1 0.45| 10.2 4.6 2000 120 5 84 11| 2.3 0.0 2.3| 51.2 -5.8 45.5 22.7 0.48| 8.2 3.9 2500 145 6 97 10| 1.8 0.5 2.4| 54.6 -5.8 48.8 19.5 0.47| 7.4 3.5 3000 153 7 104 9| 1.1 0.5 1.6| 56.7 -9.2 47.4 15.8 0.41| 6.8 2.8 4000 167 7 110 8| 0.3 0.3 0.7| 57.2 -11.2 46.0 11.5 0.31| 6.0 1.9 5000 184 7 119 6| 0.7 0.4 1.2| 61.9 -11.2 50.7 10.1 0.37| 5.6 2.0 6000 207 9 160 5| 1.3 0.9 2.2| 71.9 -19.5 52.4 8.7 0.31| 6.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251204.12.gif