UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for PANC... Searching the city database file for: PANC ... Date:1200Z 19 OCT 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 46 340 2 SFC 999 40 0.2 -4.8 69 5.0 -1.6 340 2 273.4 273.9 271.6 280.8 2.67 2 993 90 1.8 -6.2 55 8.0 -1.1 347 5 275.5 275.9 272.5 282.2 2.42 3 952 436 -0.5 -7.5 59 7.0 -2.9 11 16 276.5 276.9 272.8 282.9 2.28 4 943 513 0.2 -7.8 55 8.0 -2.6 8 15 278.0 278.4 273.6 284.3 2.25 5 925 671 0.0 -5.0 69 5.0 -1.9 355 14 279.3 279.8 275.2 287.3 2.84 6 906 837 -0.7 -4.8 74 4.1 -2.3 22 13 280.3 280.8 275.9 288.6 2.95 7 901 881 -0.9 -5.5 71 4.6 -2.6 29 13 280.5 281.0 275.9 288.4 2.81 8 892 961 0.0 -8.0 55 8.0 -2.9 33 13 282.2 282.6 276.1 288.9 2.34 9 885 1025 0.0 -9.0 51 9.0 -3.1 31 13 282.9 283.2 276.2 289.2 2.18 10 850 1346 -2.9 -8.9 63 6.0 -5.0 30 12 283.1 283.5 276.5 289.7 2.29 11 825 1581 -5.1 -9.8 70 4.7 -6.7 37 11 283.2 283.6 276.5 289.6 2.20 12 809 1735 -5.9 -12.9 58 7.0 -8.0 42 10 284.0 284.3 276.2 289.1 1.75 13 802 1803 -5.3 -13.3 53 8.0 -7.7 44 9 285.3 285.6 276.8 290.3 1.71 14 739 2442 -7.9 -17.9 44 10.0 -10.6 220 7 289.2 289.4 278.2 293.1 1.26 15 724 2602 -7.1 -28.1 17 21.0 -11.5 220 5 291.8 291.9 278.4 293.5 0.52 16 716 2689 -7.5 -30.5 14 23.0 -12.0 220 4 292.3 292.4 278.4 293.7 0.42 17 700 2864 -8.9 -30.9 15 22.0 -13.0 205 5 292.6 292.7 278.6 294.0 0.42 18 620 3788 -16.9 -34.9 19 18.0 -19.5 208 14 293.8 293.8 279.0 294.8 0.32 19 591 4144 -20.1 -43.1 11 23.0 -22.5 220 15 294.1 294.2 278.9 294.6 0.14 20 579 4296 -21.1 -43.1 12 22.0 -23.4 225 16 294.7 294.7 279.2 295.2 0.15 21 575 4347 -21.5 -31.5 40 10.0 -22.9 221 16 294.8 294.9 279.7 296.4 0.48 22 574 4360 -21.7 -32.7 36 11.0 -23.2 220 16 294.7 294.8 279.6 296.1 0.43 23 564 4489 -22.7 -32.7 40 10.0 -24.1 212 16 295.0 295.1 279.7 296.4 0.43 24 563 4502 -22.9 -31.9 44 9.0 -24.2 211 16 294.9 295.0 279.8 296.5 0.47 25 561 4528 -22.9 -25.2 81 2.3 -23.3 209 16 295.2 295.4 280.5 298.0 0.88 26 560 4541 -22.9 -24.0 91 1.1 -23.1 208 16 295.4 295.6 280.7 298.5 0.98 27 554 4620 -23.5 -26.9 74 3.4 -24.1 208 17 295.6 295.7 280.5 298.0 0.76 28 547 4712 -24.3 -27.4 75 3.1 -24.8 219 18 295.7 295.8 280.5 298.1 0.74 29 536 4860 -25.5 -30.2 65 4.7 -26.2 236 21 296.0 296.1 280.4 297.9 0.58 30 521 5065 -26.9 -31.0 68 4.1 -27.5 236 24 296.7 296.8 280.7 298.5 0.55 31 517 5120 -27.1 -33.1 57 6.0 -27.9 235 24 297.1 297.2 280.7 298.6 0.45 32 505 5289 -28.5 -32.2 70 3.7 -29.0 232 26 297.4 297.5 281.0 299.1 0.51 33 500 5360 -28.9 -32.8 69 3.9 -29.4 230 27 297.8 297.9 281.1 299.4 0.48 34 488 5534 -30.3 -33.5 74 3.2 -30.7 232 27 298.2 298.2 281.2 299.7 0.46 35 463 5907 -33.3 -37.5 66 4.2 -33.7 237 27 298.9 299.0 281.4 300.1 0.33 36 452 6076 -34.7 -41.7 49 7.0 -35.2 240 27 299.2 299.3 281.3 300.0 0.22 37 431 6407 -37.5 -42.4 60 4.9 -37.8 240 29 299.8 299.8 281.5 300.5 0.21 38 428 6456 -37.9 -44.9 48 7.0 -38.3 240 30 299.9 299.9 281.5 300.4 0.16 39 425 6504 -38.1 -43.0 60 4.9 -38.4 240 30 300.2 300.3 281.7 300.9 0.20 40 417 6635 -39.3 -44.0 61 4.7 -39.6 240 31 300.3 300.3 281.7 301.0 0.18 41 414 6685 -39.7 -44.2 62 4.5 -39.9 240 31 300.4 300.5 281.8 301.1 0.18 42 411 6735 -39.9 -44.9 59 5.0 -40.2 240 32 300.8 300.8 281.9 301.4 0.17 43 409 6768 -40.3 -44.8 62 4.5 -40.5 240 32 300.7 300.7 281.9 301.3 0.17 44 405 6835 -40.9 -47.9 47 7.0 -41.2 240 32 300.8 300.8 281.8 301.2 0.12 45 403 6869 -40.9 -50.9 33 10.0 -41.3 240 33 301.2 301.2 282.0 301.5 0.09 46 402 6886 -40.7 -56.7 16 16.0 -41.2 240 33 301.7 301.7 282.1 301.8 0.04 47 401 6903 -40.7 -56.7 16 16.0 -41.3 240 33 301.9 301.9 282.2 302.0 0.04 48 400 6920 -40.7 -56.7 16 16.0 -41.3 240 33 302.1 302.1 282.3 302.3 0.04 49 373 7392 -42.9 -57.9 18 15.0 -43.4 254 41 305.3 305.3 283.5 305.4 0.04 50 370 7447 -43.1 -61.1 12 18.0 -43.6 253 42 305.7 305.7 283.7 305.8 0.03 51 347 7876 -45.3 -62.3 13 17.0 -45.7 255 50 308.4 308.4 284.8 308.5 0.03 52 322 8373 -46.7 -65.7 10 19.0 -47.1 265 62 313.1 313.1 286.5 313.2 0.02 53 315 8518 -47.3 -66.3 10 19.0 -47.7 268 66 314.3 314.3 286.9 314.3 0.02 54 310 8624 -47.1 -65.1 11 18.0 -47.5 271 69 316.0 316.0 287.5 316.1 0.02 55 300 8840 -48.1 -64.1 14 16.0 -48.4 275 74 317.6 317.6 288.0 317.6 0.02 56 298 8884 -48.3 -63.3 16 15.0 -48.6 275 74 317.9 317.9 288.1 318.0 0.03 57 250 10030 -52.7 -64.7 22 12.0 -52.9 265 92 327.7 327.7 291.1 327.8 0.03 58 247 10108 -52.9 -65.4 21 12.5 -53.1 265 93 328.5 328.6 291.3 328.6 0.02 59 222 10792 -54.7 -71.7 11 17.0 -54.9 270 80 336.0 336.0 293.3 336.0 0.01 60 200 11460 -53.7 -79.7 3 26.0 -54.0 270 74 347.7 347.7 296.1 347.7 0.00 61 150 13320 -53.3 -82.3 2 29.0 -53.8 265 40 378.2 378.2 301.9 378.3 0.00 62 100 15920 -53.1 -84.1 1 31.0 -53.8 265 26 425.1 425.1 308.3 425.1 0.00 63 95 16251 -53.7 -84.7 1 31.0 -54.4 262 29 430.2 430.2 308.9 430.3 0.00 64 88 16746 -52.3 -84.3 1 32.0 -53.1 258 31 442.6 442.6 310.1 442.6 0.00 65 82 17203 -53.5 -84.5 1 31.0 -54.3 263 27 449.1 449.1 310.8 449.2 0.00 66 72 18047 -51.3 -83.3 1 32.0 -52.4 247 26 470.8 470.8 312.7 470.9 0.01 67 72 18047 -51.1 -83.1 1 32.0 -52.2 247 26 471.3 471.3 312.7 471.3 0.01 68 70 18230 -51.7 -83.7 1 32.0 -52.8 225 25 473.8 473.8 313.0 473.8 0.01 69 59 19331 -52.9 -84.9 1 32.0 -54.0 254 22 494.8 494.8 314.6 494.9 0.00 70 56 19668 -50.9 -83.9 1 33.0 -52.3 245 24 506.8 506.8 315.4 506.9 0.01 71 50 20400 -52.9 -84.9 1 32.0 -54.2 240 36 518.8 518.8 316.2 518.8 0.01 72 46 20939 -53.1 -85.1 1 32.0 -54.4 259 32 530.9 530.9 317.0 530.9 0.01 73 42 21530 -50.9 -83.9 1 33.0 -52.7 257 26 550.3 550.3 318.1 550.3 0.01 74 35 22716 -52.5 -84.5 1 32.0 -54.3 251 16 575.6 575.6 319.5 575.6 0.01 75 32 23299 -50.7 -84.7 1 34.0 -53.0 251 23 595.3 595.3 320.4 595.4 0.01 76 30 23720 -51.1 -84.1 1 33.0 -53.4 220 10 605.3 605.3 320.9 605.4 0.01 77 29 23939 -51.5 -84.5 1 33.0 -53.8 241 11 610.1 610.1 321.0 610.2 0.01 78 28 24167 -50.5 -84.5 1 34.0 -53.1 233 9 619.1 619.1 321.5 619.1 0.01 79 26 24645 -53.7 -85.7 1 32.0 -55.8 214 10 623.2 623.2 321.6 623.3 0.01 80 25 24896 -54.1 -86.1 1 32.0 -56.1 229 13 629.1 629.1 321.9 629.2 0.01 81 23 25430 -53.7 -85.7 1 32.0 -55.9 236 20 645.5 645.5 322.5 645.6 0.01 82 23 25430 -51.5 -85.5 1 34.0 -54.2 236 20 651.9 652.0 322.7 652.0 0.01 83 20 26330 -53.7 -85.7 1 32.0 -56.2 230 20 671.8 671.8 323.5 671.9 0.01 84 19 26661 -52.1 -85.1 1 33.0 -55.1 220 19 686.7 686.7 324.0 686.8 0.01 85 18 27010 -53.3 -85.3 1 32.0 -56.1 240 19 693.6 693.6 324.2 693.7 0.02 86 15 28189 -51.7 -84.7 1 33.0 -55.4 289 9 736.1 736.1 325.6 736.2 0.02 87 13 29113 -53.5 -85.5 1 32.0 -57.0 262 8 760.6 760.6 326.3 760.7 0.02 88 12 29630 -51.7 -84.7 1 33.0 -56.0 227 13 784.6 784.6 326.8 784.8 0.03 89 11 30193 -53.1 -85.1 1 32.0 -57.2 241 26 799.3 799.3 327.3 799.5 0.03 90 11 30193 -51.9 -84.9 1 33.0 -56.3 241 26 803.6 803.6 327.3 803.8 0.03 91 10 30810 -52.3 -85.3 1 33.0 -56.9 270 20 824.3 824.3 327.8 824.6 0.03 92 8.1 32162 -54.7 -86.7 1 32.0 -59.0 279 30 866.0 866.0 328.7 866.3 0.03 93 7.6 32571 -52.7 -85.7 1 33.0 -58.0 282 33 890.0 890.0 329.2 890.3 0.03 94 7.0 33100 -53.1 -86.1 1 33.0 -58.5 285 37 909.5 909.6 329.6 909.9 0.03 95 6.6 33479 -53.1 -86.1 1 33.0 -58.7 288 36 925.0 925.0 329.9 925.3 0.04 96 6.0 34089 -55.9 -86.9 1 31.0 -60.7 294 33 938.4 938.5 330.1 938.8 0.03 97 5.8 34305 -55.9 -86.9 1 31.0 -60.8 296 33 947.6 947.6 330.3 947.9 0.04 98 5.6 34529 -54.5 -86.5 1 32.0 -60.0 298 32 963.3 963.3 330.6 963.7 0.04 99 5.0 35250 -56.9 -87.9 1 31.0 -61.9 305 29 984.1 984.1 330.9 984.5 0.03 100 4.7 35641 -58.1 -88.1 1 30.0 -62.7 996.1 996.2 331.1 996.5 0.04 101 4.3 36203 -56.5 -87.5 1 31.0 -62.1 1029.4 1029.4 331.6 1029.9 0.04 TRP 222 10792 -54.7 -71.7 11 17.0 -54.9 270 80 336.0 336.0 293.3 336.0 0.01 WND 247 10108 -52.9 -65.4 21 12.5 -53.1 265 93 328.5 328.6 291.3 328.6 0.02 Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: 960.91 mb = 360.36 m = 1182.27 ft Freezing level: 945.57 mb = 491.08 m = 1611.14 ft Freezing level: 925.00 mb = 671.00 m = 2201.42 ft Freezing level: 892.00 mb = 961.47 m = 3154.38 ft Freezing level: 885.00 mb = 1024.56 m = 3361.39 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 44.51 % Est. max temperature: 9.88 C = 49.79 F Sfc-Lift cond lev (LCL): 923.96 mb = 680.00 m = 2230.96 ft T: -0.04 C 700-500 lapse rate: 8.01 C/km ThetaE index: 0.64 C Layer 825.0- 802.0 mb Conv cond level (CCL): 684.30 mb = 3036.67 m = 9962.69 ft Mean mixing ratio: 2.53 g/kg Conv temperature: 19.63 C = 67.34 F Cap Strength: 11.15 C Lifted Index: 11.39 C Risk: None Lifted Index @300 mb: 23.31 C Lifted Index @700 mb: 10.36 C Showalter Index: 7.53 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 20.00 C K Index: -4.90 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.83 J/kg Max Up Vert Vel: 7.19 m/s Conv Inhibition (B-): 83935.55 J/kg Cap Strength: 11.11 C Lift Cond Lev (LCL): 857.18 mb = 1278.99 m = 4196.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 11 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 ---------------------------------------------------------- 0 999 40 340 2 0.7 -1.9 | 76 10 -10.1 -2.6 1 967 305 15 16 -4.1 -15.5 | 43 22 -15.0 -16.1 2 932 610 5 15 -1.3 -14.9 | 38 20 -12.1 -15.6 3 925 671 355 14 1.2 -13.9 | 33 17 -9.6 -14.6 4 897 914 35 13 -7.5 -10.6 | 58 21 -18.3 -11.3 5 864 1219 25 14 -5.9 -12.7 | 51 21 -16.7 -13.4 6 850 1346 30 12 -6.0 -10.4 | 57 20 -16.8 -11.1 7 831 1524 35 12 -6.9 -9.8 | 59 21 -17.7 -10.5 8 799 1829 45 9 -6.4 -6.4 | 68 19 -17.2 -7.0 9 769 2134 70 6 -5.6 -2.1 | 81 17 -16.5 -2.7 10 739 2438 220 7 4.5 5.4 | 127 8 -6.3 4.7 11 711 2743 220 3 1.9 2.3 | 100 9 -8.9 1.6 12 700 2864 205 5 2.1 4.5 | 114 10 -8.7 3.9 13 655 3353 210 10 5.0 8.7 | 144 10 -5.8 8.0 14 629 3658 205 13 5.5 11.8 | 154 12 -5.3 11.1 15 579 4267 225 16 11.3 11.3 | 183 11 0.5 10.6 16 556 4572 205 16 6.8 14.5 | 164 14 -4.1 13.8 17 534 4877 240 22 19.1 11.0 | 219 13 8.2 10.3 18 500 5360 230 27 20.7 17.4 | 211 19 9.9 16.7 19 450 6096 240 27 23.4 13.5 | 224 18 12.6 12.8 20 400 6920 240 33 28.6 16.5 | 228 24 17.8 15.8 21 395 7010 245 32 29.0 13.5 | 235 22 18.2 12.8 22 377 7315 255 40 38.6 10.4 | 251 29 27.8 9.7 23 360 7620 250 44 41.3 15.0 | 245 34 30.5 14.4 24 300 8840 275 74 73.7 -6.4 | 276 63 62.9 -7.1 25 286 9144 275 75 74.7 -6.5 | 276 64 63.9 -7.2 26 273 9449 280 82 80.8 -14.2 | 282 72 69.9 -14.9 27 250 10030 265 92 91.6 8.0 | 265 81 80.8 7.3 28 247 10108 265 93 92.6 8.1 | 265 82 81.8 7.4 29 237 10363 265 93 92.6 8.1 | 265 82 81.8 7.4 30 222 10792 270 80 80.0 -0.0 | 271 69 69.2 -0.7 31 200 11460 270 74 74.0 -0.0 | 271 63 63.2 -0.7 32 163 12802 265 42 41.8 3.7 | 265 31 31.0 3.0 33 150 13320 265 40 39.8 3.5 | 264 29 29.0 2.8 34 141 13716 255 38 36.7 9.8 | 251 27 25.9 9.2 35 134 14021 260 38 37.4 6.6 | 257 27 26.6 5.9 36 122 14630 260 42 41.4 7.3 | 258 31 30.5 6.6 37 111 15240 255 39 37.7 10.1 | 251 28 26.9 9.4 38 100 15920 265 26 25.9 2.3 | 264 15 15.1 1.6 39 96 16154 265 26 25.9 2.3 | 264 15 15.1 1.6 40 92 16459 255 34 32.8 8.8 | 250 23 22.0 8.1 41 80 17374 265 25 24.9 2.2 | 264 14 14.1 1.5 42 73 17983 255 26 25.1 6.7 | 247 16 14.3 6.1 43 70 18230 225 25 17.7 17.7 | 202 18 6.9 17.0 44 69 18288 235 13 10.6 7.5 | 179 7 -0.2 6.8 45 66 18593 225 33 23.3 23.3 | 209 26 12.5 22.7 46 63 18898 245 38 34.4 16.1 | 237 28 23.6 15.4 47 60 19202 265 22 21.9 1.9 | 264 11 11.1 1.2 48 57 19507 240 23 19.9 11.5 | 220 14 9.1 10.8 49 55 19812 250 24 22.6 8.2 | 237 14 11.7 7.5 50 52 20117 225 22 15.6 15.6 | 198 16 4.7 14.9 51 50 20400 240 36 31.2 18.0 | 230 27 20.4 17.3 52 48 20726 245 36 32.6 15.2 | 236 26 21.8 14.5 53 45 21031 265 31 30.9 2.7 | 264 20 20.1 2.0 54 43 21336 260 26 25.6 4.5 | 255 15 14.8 3.8 55 41 21641 255 26 25.1 6.7 | 247 16 14.3 6.1 56 39 21946 275 17 16.9 -1.5 | 289 6 6.1 -2.2 57 38 22250 245 22 19.9 9.3 | 227 13 9.1 8.6 58 36 22555 280 15 14.8 -2.6 | 310 5 4.0 -3.3 59 34 22860 225 16 11.3 11.3 | 183 11 0.5 10.6 60 33 23165 240 26 22.5 13.0 | 224 17 11.7 12.3 61 31 23470 265 19 18.9 1.7 | 263 8 8.1 1.0 62 30 23720 220 10 6.4 7.7 | 148 8 -4.4 7.0 63 30 23774 265 12 12.0 1.0 | 252 1 1.1 0.4 64 28 24079 220 10 6.4 7.7 | 148 8 -4.4 7.0 65 27 24384 265 8 8.0 0.7 | 90 3 -2.8 0.0 66 26 24689 205 10 4.2 9.1 | 142 11 -6.6 8.4 67 25 24994 240 14 12.1 7.0 | 192 6 1.3 6.3 68 23 25298 230 18 13.8 11.6 | 195 11 3.0 10.9 69 22 25603 245 22 19.9 9.3 | 227 13 9.1 8.6 70 21 25908 290 10 9.4 -3.4 | 19 4 -1.4 -4.1 71 20 26330 230 20 15.3 12.9 | 200 13 4.5 12.2 72 19 26518 215 19 10.9 15.6 | 180 15 0.1 14.9 73 19 26822 225 20 14.1 14.1 | 194 14 3.3 13.5 74 17 27432 275 18 17.9 -1.6 | 288 7 7.1 -2.2 75 16 27737 265 15 14.9 1.3 | 261 4 4.1 0.6 76 15 28042 285 10 9.7 -2.6 | 20 3 -1.2 -3.3 77 14 28651 300 5 4.3 -2.5 | 64 7 -6.5 -3.2 78 12 29566 225 11 7.8 7.8 | 157 8 -3.0 7.1 79 11 30175 240 26 22.5 13.0 | 224 17 11.7 12.3 80 10 30810 270 20 20.0 -0.0 | 274 9 9.2 -0.7 81 7 33100 285 37 35.7 -9.6 | 292 27 24.9 -10.3 82 5 35250 305 29 23.8 -16.6 | 323 22 12.9 -17.3 Wind Parameters Mean winds (0-6000m): 236.4 at 14.5 knts Storm direction: 266.4 at 10.8 knts Shear (0-3000m) pos: 1.2 neg: 0.3 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 49.0 deg Storm rel helicity (0-3000m) pos: 142.8 neg: -57.1 tot: 85.7 m^2/s^2 ave: 28.6 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.32 Bulk Shear: 79.64 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 11 12 46 18| 13.9 0.0 13.9| 0.0 -31.5 -31.5 -63.0 -0.51| 17.3 -8.9 1000 14 13 46 19| 6.3 0.0 6.3| 40.4 -42.2 -1.8 -1.8 -0.11| 14.4 -1.5 1500 19 13 49 20| 3.7 0.0 3.7| 55.0 -48.9 6.1 4.0 -0.05| 11.1 -0.5 2000 24 12 53 20| 1.8 0.0 1.8| 83.1 -48.9 34.2 17.1 0.11| 10.0 1.1 2500 25 11 56 19| 1.4 0.0 1.4|133.1 -51.7 81.5 32.6 0.27| 11.9 3.2 3000 25 10 57 18| 1.2 0.3 1.5|142.8 -57.1 85.7 28.6 0.27| 11.0 2.9 4000 17 10 53 17| 1.9 0.2 2.2|167.4 -57.1 110.2 27.6 0.35| 9.6 3.3 5000 242 12 176 5| 2.5 0.5 3.0|216.8 -69.9 146.9 29.4 0.38| 9.8 3.7 6000 236 14 189 7| 2.1 0.7 2.8|236.7 -76.8 159.9 26.7 0.38| 8.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//PANC/skewt/PANC.skewt.20251019.12.gif