UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 1 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 ------------------------------------------------------------------------------- 0 1000 -9 105 3 SFC 992 40 0.0 -0.3 98 0.3 -0.1 105 3 273.8 274.4 273.5 284.0 3.77 2 986 90 -0.3 -0.4 99 0.1 -0.3 128 3 274.0 274.6 273.5 284.2 3.76 3 973 199 0.2 -0.3 96 0.5 -0.0 177 4 275.5 276.1 274.5 286.0 3.84 4 966 259 2.4 0.6 88 1.8 1.6 204 4 278.3 279.0 276.5 289.7 4.13 5 965 267 2.4 0.6 88 1.8 1.6 208 4 278.4 279.1 276.5 289.8 4.14 6 957 336 2.0 0.7 91 1.3 1.4 227 4 278.6 279.3 276.7 290.2 4.20 7 925 617 0.0 0.0 100 0.0 0.0 235 3 279.3 280.0 277.0 290.7 4.13 8 915 704 -0.3 -0.3 100 0.0 -0.3 275 3 279.9 280.6 277.3 291.2 4.09 9 906 783 0.2 0.1 99 0.1 0.1 310 2 281.2 281.9 278.2 293.0 4.25 10 858 1219 -1.1 -1.1 100 0.0 -1.1 40 3 284.2 284.9 279.5 295.8 4.11 11 850 1294 -1.7 -1.8 99 0.1 -1.7 5 3 284.4 285.0 279.3 295.5 3.94 12 821 1570 -2.9 -4.0 92 1.1 -3.3 347 4 285.9 286.5 279.5 295.8 3.46 13 796 1814 -4.5 -6.0 89 1.5 -5.1 331 5 286.8 287.3 279.4 295.6 3.06 14 772 2054 -6.7 -6.7 100 0.0 -6.7 27 4 286.9 287.4 279.4 295.6 2.99 15 728 2510 -9.1 -9.2 99 0.1 -9.1 125 2 289.1 289.6 279.9 296.8 2.61 16 726 2532 -9.1 -9.3 98 0.2 -9.2 118 2 289.4 289.8 280.0 297.0 2.60 17 718 2618 -8.7 -9.7 92 1.0 -9.1 93 3 290.7 291.2 280.6 298.3 2.55 18 700 2814 -9.9 -10.8 93 0.9 -10.2 80 6 291.5 291.9 280.7 298.7 2.39 19 687 2958 -10.1 -11.5 89 1.4 -10.6 54 7 292.9 293.3 281.3 299.8 2.31 20 654 3336 -12.5 -12.6 99 0.1 -12.5 345 10 294.3 294.7 281.8 301.0 2.22 21 642 3477 -13.3 -13.6 98 0.3 -13.4 340 10 295.0 295.3 281.9 301.3 2.08 22 635 3560 -12.9 -14.9 85 2.0 -13.5 340 11 296.3 296.7 282.3 302.2 1.89 23 625 3681 -13.5 -15.0 88 1.5 -13.9 340 11 297.0 297.4 282.5 302.9 1.91 24 622 3718 -13.3 -15.9 81 2.6 -14.0 341 11 297.6 298.0 282.7 303.2 1.78 25 612 3841 -13.9 -16.7 79 2.8 -14.7 343 12 298.3 298.6 282.8 303.6 1.69 26 610 3866 -13.7 -16.8 77 3.1 -14.6 343 12 298.8 299.2 283.0 304.1 1.68 27 606 3916 -13.7 -17.3 74 3.6 -14.7 344 12 299.4 299.7 283.2 304.5 1.62 28 574 4326 -16.7 -18.6 85 1.9 -17.2 357 15 300.6 300.9 283.5 305.4 1.53 29 547 4686 -18.5 -22.0 74 3.5 -19.3 12 15 302.6 302.8 284.0 306.5 1.20 30 516 5119 -21.5 -24.7 75 3.2 -22.1 20 11 304.1 304.3 284.3 307.3 1.00 31 500 5350 -23.3 -25.9 79 2.6 -23.8 20 6 304.6 304.8 284.4 307.7 0.93 32 490 5497 -24.1 -26.9 78 2.8 -24.6 4 6 305.4 305.6 284.7 308.3 0.86 33 469 5814 -26.9 -28.2 89 1.3 -27.1 328 6 305.8 305.9 284.7 308.4 0.80 34 442 6238 -29.9 -32.3 80 2.4 -30.2 293 7 307.2 307.3 285.0 309.2 0.57 35 418 6633 -33.3 -34.3 91 1.0 -33.4 286 11 307.8 307.9 285.1 309.5 0.50 36 414 6700 -33.7 -35.6 83 1.9 -33.9 285 12 308.1 308.2 285.2 309.7 0.44 37 408 6802 -34.3 -36.3 82 2.0 -34.5 283 12 308.7 308.7 285.4 310.1 0.42 38 400 6940 -35.5 -37.4 83 1.9 -35.7 280 11 308.9 308.9 285.4 310.2 0.38 39 392 7080 -36.7 -38.9 80 2.2 -36.9 280 11 309.1 309.1 285.4 310.3 0.34 40 381 7277 -38.5 -40.2 84 1.7 -38.7 280 11 309.2 309.3 285.4 310.3 0.30 41 352 7815 -43.3 -46.6 70 3.3 -43.5 257 9 309.8 309.9 285.5 310.4 0.16 42 348 7892 -43.9 -46.6 74 2.7 -44.0 247 8 310.0 310.1 285.5 310.6 0.17 43 344 7969 -44.5 -48.1 67 3.6 -44.7 236 7 310.3 310.3 285.6 310.8 0.14 44 340 8048 -45.3 -48.0 74 2.7 -45.4 226 7 310.2 310.2 285.6 310.7 0.15 45 335 8146 -46.1 -50.3 62 4.2 -46.3 213 5 310.4 310.4 285.6 310.8 0.11 46 316 8532 -49.3 -53.6 61 4.3 -49.4 162 1 311.2 311.2 285.9 311.5 0.08 47 300 8870 -52.5 -56.3 63 3.8 -52.6 120 3 311.3 311.4 285.9 311.6 0.06 48 294 9000 -53.7 -57.3 65 3.6 -53.8 113 3 311.4 311.5 285.9 311.7 0.06 49 290 9088 -54.7 -59.4 56 4.7 -54.8 108 2 311.2 311.3 285.8 311.4 0.04 50 288 9132 -55.1 -59.0 62 3.9 -55.2 106 2 311.3 311.3 285.8 311.5 0.05 51 285 9199 -55.7 -58.1 74 2.4 -55.8 121 3 311.4 311.4 285.9 311.6 0.05 52 280 9311 -56.7 -58.7 78 2.0 -56.8 155 4 311.5 311.5 285.9 311.7 0.05 53 276 9402 -57.1 -60.9 62 3.8 -57.2 182 6 312.2 312.2 286.2 312.4 0.04 54 273 9471 -57.3 -60.5 67 3.2 -57.3 203 7 312.9 312.9 286.4 313.1 0.04 55 272 9495 -57.7 -61.7 60 4.0 -57.8 210 7 312.7 312.7 286.3 312.8 0.03 56 269 9565 -57.1 -68.1 24 11.0 -57.2 209 8 314.5 314.5 286.9 314.6 0.01 57 250 10030 -55.1 -72.1 10 17.0 -55.3 225 18 324.1 324.2 290.0 324.2 0.01 58 200 11490 -49.1 -79.1 2 30.0 -49.6 220 22 355.0 355.0 297.7 355.0 0.00 59 150 13370 -48.9 -80.9 1 32.0 -49.6 220 28 385.8 385.8 303.2 385.8 0.00 60 100 16070 -47.1 -81.1 1 34.0 -48.4 230 22 436.7 436.7 309.6 436.7 0.01 61 78 17706 -49.5 -83.5 1 34.0 -50.7 215 25 463.9 463.9 312.1 463.9 0.00 62 74 18052 -46.9 -81.9 1 35.0 -48.6 215 33 476.4 476.4 313.2 476.5 0.01 63 73 18142 -47.9 -81.9 1 34.0 -49.4 221 32 476.2 476.2 313.1 476.2 0.01 64 71 18326 -46.7 -81.7 1 35.0 -48.4 237 27 482.5 482.5 313.7 482.6 0.01 65 70 18420 -46.9 -81.9 1 35.0 -48.6 255 20 484.1 484.1 313.8 484.1 0.01 66 62 19219 -48.3 -82.3 1 34.0 -50.0 207 16 498.0 498.0 314.8 498.1 0.01 67 56 19891 -46.1 -82.1 1 36.0 -48.3 224 23 517.8 517.8 316.2 517.8 0.01 68 52 20381 -47.3 -82.3 1 35.0 -49.4 216 23 526.1 526.1 316.7 526.1 0.01 69 50 20640 -46.9 -82.9 1 36.0 -49.2 215 26 532.9 532.9 317.1 533.0 0.01 70 45 21340 -46.1 -82.1 1 36.0 -48.8 210 29 551.2 551.2 318.2 551.3 0.01 71 37 22664 -38.9 -79.9 1 41.0 -44.3 218 37 601.4 601.4 320.7 601.5 0.02 72 32 23659 -39.5 -80.5 0 41.0 -45.2 199 44 625.3 625.3 321.7 625.4 0.02 73 30 24100 -40.9 -80.9 1 40.0 -46.3 200 46 633.1 633.1 322.0 633.3 0.02 74 22 26192 -44.9 -82.9 1 38.0 -49.8 201 43 680.0 680.0 323.8 680.1 0.02 75 21 26503 -44.7 -82.7 1 38.0 -49.8 198 38 689.7 689.7 324.1 689.8 0.02 TRP 272 9495 -57.7 -61.7 60 4.0 -57.8 210 7 312.7 312.7 286.3 312.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5359.00 m Freezing level: 992.00 mb = 40.00 m = 131.23 ft Freezing level: 978.20 mb = 155.44 m = 509.97 ft Freezing level: 925.00 mb = 617.00 m = 2024.25 ft Freezing level: 909.60 mb = 751.70 m = 2466.17 ft Freezing level: 898.62 mb = 850.46 m = 2790.19 ft Wetbulb zero: Below ground Precipitable water: 0.58 inches Sfc-500 mean rel hum: 89.89 % Est. max temperature: 10.99 C = 51.78 F Sfc-Lift cond lev (LCL): 987.23 mb = 79.65 m = 261.31 ft T: -0.24 C 700-500 lapse rate: 5.28 C/km ThetaE index: 0.32 C Layer 850.0- 821.0 mb Conv cond level (CCL): 992.00 mb = 40.00 m = 131.23 ft Mean mixing ratio: 4.09 g/kg Conv temperature: 0.81 C = 33.46 F Cap Strength: 12.87 C Lifted Index: 13.07 C Risk: None Lifted Index @300 mb: 15.27 C Lifted Index @700 mb: 5.84 C Showalter Index: 8.85 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 21.50 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 12.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.06 J/kg Max Up Vert Vel: 7.36 m/s Conv Inhibition (B-): 56900.63 J/kg Cap Strength: 13.03 C Lift Cond Lev (LCL): 933.25 mb = 543.74 m = 1783.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 at 5 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 ---------------------------------------------------------- 0 992 40 105 3 -2.9 0.8 | 177 5 -0.2 5.4 1 961 305 225 4 2.8 2.8 | 216 9 5.5 7.5 2 926 610 240 3 2.6 1.5 | 220 8 5.3 6.2 3 925 617 235 3 2.5 1.7 | 219 8 5.1 6.4 4 891 914 10 2 -0.3 -2.0 | 221 4 2.3 2.7 5 858 1219 40 3 -1.9 -2.3 | 197 2 0.7 2.4 6 850 1294 5 3 -0.3 -3.0 | 235 3 2.4 1.7 7 794 1829 330 5 2.5 -4.3 | 266 5 5.2 0.3 8 764 2134 50 3 -2.3 -1.9 | 187 3 0.4 2.7 9 734 2438 145 1 -0.6 0.8 | 201 6 2.1 5.5 10 706 2743 55 5 -4.1 -2.9 | 141 2 -1.4 1.8 11 700 2814 80 6 -5.9 -1.0 | 138 5 -3.3 3.6 12 652 3353 340 10 3.4 -9.4 | 308 8 6.1 -4.7 13 626 3658 340 11 3.8 -10.3 | 311 9 6.4 -5.7 14 601 3962 345 12 3.1 -11.6 | 320 9 5.8 -6.9 15 577 4267 355 15 1.3 -14.9 | 339 11 4.0 -10.3 16 532 4877 20 15 -5.1 -14.1 | 15 10 -2.5 -9.4 17 500 5350 20 6 -2.1 -5.6 | 328 1 0.6 -1.0 18 450 6096 295 6 5.4 -2.5 | 255 8 8.1 2.1 19 413 6706 285 12 11.6 -3.1 | 264 14 14.2 1.6 20 400 6940 280 11 10.8 -1.9 | 258 14 13.5 2.8 21 361 7620 280 11 10.8 -1.9 | 258 14 13.5 2.8 22 315 8534 160 1 -0.3 0.9 | 202 6 2.3 5.6 23 300 8870 120 3 -2.6 1.5 | 181 6 0.1 6.2 24 287 9144 105 2 -1.9 0.5 | 188 5 0.7 5.2 25 272 9495 210 7 3.5 6.1 | 210 12 6.2 10.7 26 261 9754 205 10 4.2 9.1 | 207 15 6.9 13.7 27 250 10030 225 18 12.7 12.7 | 221 23 15.4 17.4 28 249 10058 225 18 12.7 12.7 | 221 23 15.4 17.4 29 227 10668 205 21 8.9 19.0 | 206 26 11.5 23.7 30 216 10973 220 28 18.0 21.4 | 218 33 20.7 26.1 31 207 11278 230 25 19.2 16.1 | 226 30 21.8 20.7 32 200 11490 220 22 14.1 16.9 | 218 27 16.8 21.5 33 197 11582 225 20 14.1 14.1 | 222 25 16.8 18.8 34 180 12192 215 26 14.9 21.3 | 214 31 17.6 26.0 35 164 12802 235 26 21.3 14.9 | 231 31 24.0 19.6 36 150 13370 220 28 18.0 21.4 | 218 33 20.7 26.1 37 142 13716 215 33 18.9 27.0 | 214 38 21.6 31.7 38 136 14021 225 35 24.7 24.7 | 223 40 27.4 29.4 39 124 14630 225 35 24.7 24.7 | 223 40 27.4 29.4 40 113 15240 215 23 13.2 18.8 | 214 28 15.8 23.5 41 108 15545 210 28 14.0 24.2 | 210 33 16.7 28.9 42 103 15850 220 19 12.2 14.6 | 218 24 14.9 19.2 43 100 16070 230 22 16.9 14.1 | 226 27 19.5 18.8 44 94 16459 240 23 19.9 11.5 | 234 28 22.6 16.2 45 90 16764 225 16 11.3 11.3 | 221 21 14.0 16.0 46 86 17069 190 17 3.0 16.7 | 195 22 5.6 21.4 47 82 17374 190 24 4.2 23.6 | 194 29 6.8 28.3 48 78 17678 215 24 13.8 19.7 | 214 29 16.4 24.3 49 75 17983 210 34 17.0 29.4 | 210 39 19.7 34.1 50 71 18288 230 30 23.0 19.3 | 227 35 25.6 23.9 51 70 18420 255 20 19.3 5.2 | 246 24 22.0 9.8 52 68 18593 255 22 21.3 5.7 | 247 26 23.9 10.4 53 65 18898 225 13 9.2 9.2 | 221 18 11.8 13.9 54 62 19202 205 16 6.8 14.5 | 206 21 9.4 19.2 55 59 19507 230 23 17.6 14.8 | 226 28 20.3 19.4 56 52 20422 215 23 13.2 18.8 | 214 28 15.8 23.5 57 50 20640 215 26 14.9 21.3 | 214 31 17.6 26.0 58 49 20726 225 24 17.0 17.0 | 222 29 19.6 21.6 59 45 21336 210 29 14.5 25.1 | 210 34 17.2 29.8 60 38 22555 220 34 21.9 26.0 | 219 39 24.5 30.7 61 34 23165 210 49 24.5 42.4 | 210 54 27.2 47.1 62 30 24079 190 40 6.9 39.4 | 192 45 9.6 44.1 63 30 24100 200 46 15.7 43.2 | 201 51 18.4 47.9 64 28 24384 195 45 11.6 43.5 | 197 50 14.3 48.1 65 23 24994 205 48 20.3 43.5 | 205 53 22.9 48.2 66 19 25603 190 28 4.9 27.6 | 193 33 7.5 32.2 67 18 25908 180 45 0.0 45.0 | 183 50 2.7 49.7 68 15 26518 180 39 0.0 39.0 | 183 44 2.7 43.7 Wind Parameters Mean winds (0-6000m): 359.6 at 7.2 knts Storm direction: 29.6 at 5.4 knts Shear (0-3000m) pos: 0.3 neg: 1.5 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -121.0 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -13.0 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.92 Bulk Shear: 14.12 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 ------------------------------------------------------------------------------- 500 212 4 211 9| 5.8 0.0 5.8| 13.1 0.0 13.1 26.1 0.73| 8.5 6.2 1000 232 3 218 8| 1.9 0.0 1.9| 16.5 -1.2 15.3 15.3 0.45| 7.6 3.4 1500 309 3 241 6| 1.2 0.8 2.0| 18.2 -1.5 16.8 11.2 0.48| 6.2 3.0 2000 331 3 249 5| 0.6 0.6 1.2| 19.0 -2.7 16.4 8.2 0.31| 6.2 1.9 2500 345 3 245 4| 0.4 0.5 0.9| 21.1 -5.8 15.3 6.1 0.19| 6.3 1.2 3000 19 4 229 2| 0.3 1.5 1.8| 21.1 -13.0 8.1 2.7 -0.05| 7.3 -0.4 4000 354 5 281 3| 0.2 1.9 2.1| 27.0 -21.0 6.0 1.5 -0.13| 7.1 -0.9 5000 360 7 314 4| 0.9 1.5 2.4| 50.5 -21.4 29.1 5.8 0.02| 6.9 0.1 6000 360 7 313 4| 0.7 1.5 2.2| 50.5 -28.8 21.7 3.6 -0.06| 7.0 -0.4 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251201.12.gif