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 KIAD... Searching the city database file for: KIAD ... Date:1200Z 5 DEC 25 Station: KIAD WMO ident: 72403 Latitude: 38.95 Longitude: -77.45 Elevation: 98.00 ------------------------------------------------------------------------------- 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 1014 98 -2.7 -8.7 63 6.0 -4.6 80 4 269.4 269.7 267.8 274.7 1.95 1 1013 105 -2.7 -6.8 73 4.1 -4.0 80 4 269.5 269.8 268.4 275.6 2.26 2 1000 202 -3.5 -7.0 77 3.5 -4.6 85 5 269.6 270.0 268.5 275.8 2.26 3 942 671 -7.7 -8.8 92 1.1 -8.0 121 11 270.0 270.4 268.5 275.7 2.08 4 925 812 -8.7 -10.1 90 1.4 -9.1 125 12 270.4 270.7 268.4 275.7 1.91 5 897 1049 -10.5 -11.3 94 0.8 -10.7 147 13 270.9 271.2 268.6 275.9 1.79 6 872 1268 -6.7 -7.1 97 0.4 -6.8 182 16 277.1 277.5 273.6 284.3 2.57 7 854 1431 -5.5 -5.8 98 0.3 -5.6 205 23 280.0 280.5 275.7 288.2 2.90 8 850 1468 -5.7 -6.2 96 0.5 -5.9 210 25 280.2 280.7 275.7 288.1 2.83 9 788 2061 -6.9 -8.0 92 1.1 -7.3 238 22 285.0 285.5 278.0 292.7 2.65 10 777 2171 -6.1 -7.1 93 1.0 -6.5 244 21 287.0 287.5 279.3 295.4 2.88 11 756 2385 -6.9 -8.0 92 1.1 -7.3 269 19 288.4 288.9 279.8 296.5 2.76 12 732 2637 -8.5 -10.0 89 1.5 -9.0 278 20 289.3 289.8 279.8 296.6 2.44 13 700 2983 -9.5 -10.8 90 1.3 -9.9 265 20 292.0 292.4 281.0 299.1 2.39 14 649 3566 -10.7 -11.8 92 1.1 -11.1 265 36 297.0 297.4 283.1 304.3 2.38 15 587 4334 -12.9 -13.5 95 0.6 -13.1 258 57 303.1 303.5 285.4 310.3 2.30 16 520 5248 -18.3 -18.6 97 0.3 -18.4 252 86 307.3 307.6 286.3 312.7 1.69 17 501 5525 -19.7 -20.5 93 0.8 -19.9 246 93 308.8 309.1 286.6 313.7 1.49 18 500 5540 -19.9 -20.6 94 0.7 -20.1 245 93 308.8 309.1 286.6 313.6 1.48 19 487 5735 -21.7 -22.5 93 0.8 -21.9 247 96 308.9 309.1 286.4 313.1 1.29 20 484 5780 -22.3 -25.3 77 3.0 -22.9 247 96 308.7 308.9 286.1 312.1 1.01 21 483 5795 -22.5 -24.6 83 2.1 -22.9 247 97 308.6 308.8 286.1 312.2 1.08 22 482 5811 -22.7 -25.6 77 2.9 -23.3 247 97 308.6 308.8 286.0 311.9 0.99 23 478 5872 -22.9 -25.5 79 2.6 -23.4 248 98 309.1 309.3 286.2 312.4 1.00 24 476 5903 -23.1 -27.3 68 4.2 -23.9 248 98 309.2 309.4 286.1 312.1 0.86 25 474 5933 -23.9 -33.9 39 10.0 -25.4 248 99 308.6 308.7 285.4 310.2 0.46 26 467 6042 -24.3 -41.3 19 17.0 -26.2 249 100 309.4 309.4 285.4 310.2 0.22 27 462 6120 -24.7 -42.7 17 18.0 -26.6 250 101 309.8 309.9 285.5 310.5 0.19 28 434 6574 -26.5 -47.5 12 21.0 -28.4 257 107 313.2 313.2 286.6 313.6 0.12 29 419 6827 -27.7 -44.7 18 17.0 -29.3 261 114 314.8 314.8 287.2 315.4 0.17 30 411 6966 -28.5 -50.5 10 22.0 -30.2 262 118 315.5 315.5 287.3 315.8 0.09 31 400 7160 -29.3 -45.3 20 16.0 -30.8 265 123 316.9 316.9 287.9 317.5 0.17 32 385 7432 -30.7 -41.7 33 11.0 -31.8 265 125 318.6 318.6 288.6 319.5 0.26 33 379 7543 -31.3 -42.3 33 11.0 -32.4 265 125 319.2 319.2 288.8 320.1 0.24 34 369 7731 -32.3 -43.3 33 11.0 -33.3 264 128 320.3 320.4 289.1 321.2 0.22 35 359 7925 -32.7 -45.7 26 13.0 -33.8 263 132 322.3 322.3 289.6 323.0 0.18 36 352 8063 -32.1 -49.1 17 17.0 -33.4 261 135 324.9 325.0 290.4 325.4 0.12 37 340 8307 -33.9 -51.9 15 18.0 -35.1 260 137 325.7 325.7 290.6 326.1 0.09 38 313 8880 -38.5 -52.5 22 14.0 -39.3 260 135 327.1 327.1 291.0 327.5 0.09 39 309 8968 -39.1 -54.1 19 15.0 -39.9 260 136 327.5 327.5 291.1 327.8 0.08 40 308 8990 -39.1 -55.1 17 16.0 -39.9 260 136 327.8 327.8 291.2 328.1 0.07 41 305 9057 -39.3 -48.3 38 9.0 -39.9 260 137 328.4 328.4 291.5 329.0 0.16 42 303 9102 -39.5 -47.5 42 8.0 -40.1 260 138 328.8 328.8 291.6 329.4 0.17 43 302 9125 -39.7 -50.7 30 11.0 -40.4 260 138 328.8 328.8 291.5 329.3 0.12 44 300 9170 -39.9 -51.9 27 12.0 -40.6 265 143 329.1 329.1 291.6 329.5 0.11 45 299 9193 -40.1 -53.1 24 13.0 -40.8 265 143 329.2 329.2 291.6 329.5 0.09 46 290 9400 -41.5 -53.5 26 12.0 -42.1 265 146 330.1 330.1 291.8 330.4 0.09 47 278 9686 -43.1 -48.0 58 4.9 -43.4 265 150 331.8 331.8 292.4 332.5 0.18 48 276 9734 -43.5 -47.4 65 3.9 -43.7 265 151 331.9 331.9 292.4 332.6 0.19 49 273 9808 -44.1 -48.6 61 4.5 -44.3 265 152 332.0 332.1 292.4 332.7 0.17 50 253 10312 -49.1 -50.4 86 1.3 -49.1 265 159 331.9 332.0 292.4 332.5 0.15 51 251 10364 -49.5 -52.0 75 2.5 -49.6 265 160 332.1 332.1 292.4 332.6 0.12 52 250 10390 -49.7 -51.5 81 1.8 -49.8 265 160 332.2 332.2 292.4 332.7 0.13 53 245 10522 -50.9 -53.7 72 2.8 -51.0 265 160 332.3 332.3 292.4 332.7 0.10 54 242 10603 -51.7 -53.8 78 2.1 -51.8 265 160 332.3 332.3 292.4 332.7 0.10 55 239 10684 -52.5 -56.3 63 3.8 -52.6 265 160 332.3 332.3 292.4 332.6 0.08 56 215 11364 -57.0 -63.3 45 6.3 -57.1 270 165 335.5 335.5 293.2 335.6 0.04 57 200 11820 -60.1 -68.1 34 8.0 -60.2 265 140 337.6 337.6 293.7 337.7 0.02 58 186 12271 -62.7 -70.7 33 8.0 -62.8 260 139 340.5 340.5 294.4 340.5 0.01 59 150 13600 -62.1 -81.1 6 19.0 -62.3 275 106 363.1 363.1 299.3 363.1 0.00 60 100 16110 -63.5 -84.5 4 21.0 -63.7 265 72 405.0 405.0 305.9 405.1 0.00 61 96 16361 -62.9 -84.9 4 22.0 -63.1 265 72 411.0 411.0 306.6 411.0 0.00 62 90 16755 -65.5 -85.5 5 20.0 -65.7 270 75 413.4 413.4 306.9 413.5 0.00 63 88 16893 -63.5 -85.5 4 22.0 -63.7 272 76 420.1 420.1 307.7 420.1 0.00 64 82 17325 -64.1 -85.1 4 21.0 -64.3 278 73 427.5 427.5 308.6 427.5 0.00 65 79 17555 -61.9 -83.9 4 22.0 -62.2 281 68 436.6 436.6 309.6 436.6 0.00 66 70 18300 -63.3 -85.3 4 22.0 -63.6 280 44 449.0 449.0 310.7 449.0 0.00 67 68 18479 -63.5 -85.5 4 22.0 -63.8 277 42 452.3 452.3 311.1 452.3 0.00 68 62 19050 -61.5 -84.5 3 23.0 -61.9 278 40 468.8 468.8 312.5 468.8 0.01 69 60 19254 -62.9 -85.9 3 23.0 -63.2 282 41 470.1 470.1 312.7 470.1 0.00 70 50 20380 -62.7 -85.7 3 23.0 -63.1 270 40 495.7 495.7 314.7 495.8 0.01 71 49 20505 -61.5 -85.5 3 24.0 -62.0 268 40 501.4 501.4 315.1 501.5 0.01 72 48 20633 -61.9 -85.9 3 24.0 -62.4 266 41 503.5 503.5 315.2 503.5 0.01 73 45 21032 -61.9 -84.9 3 23.0 -62.4 285 36 512.8 512.8 315.8 512.9 0.01 74 41 21611 -59.5 -83.5 3 24.0 -60.2 275 30 532.7 532.7 317.1 532.7 0.01 75 37 22248 -63.1 -87.1 3 24.0 -63.6 325 19 539.3 539.3 317.5 539.3 0.01 76 33 22956 -61.1 -86.1 2 25.0 -61.9 277 13 562.5 562.5 318.8 562.6 0.01 77 33 22956 -59.7 -85.7 2 26.0 -60.6 277 13 566.2 566.2 319.0 566.3 0.01 78 31 23345 -60.9 -86.9 2 26.0 -61.7 269 18 573.2 573.2 319.3 573.3 0.01 79 30 23550 -59.5 -85.5 2 26.0 -60.4 260 23 582.4 582.4 319.8 582.5 0.01 80 28 23981 -60.9 -86.9 2 26.0 -61.8 265 22 590.1 590.2 320.2 590.2 0.01 81 27 24209 -56.9 -85.9 1 29.0 -58.3 268 24 607.6 607.6 320.9 607.6 0.01 82 26 24448 -57.3 -85.3 2 28.0 -58.7 274 27 613.0 613.0 321.2 613.1 0.01 83 25 24697 -55.3 -84.3 2 29.0 -57.1 305 34 625.7 625.7 321.7 625.8 0.01 84 22 25506 -59.1 -87.1 1 28.0 -60.4 318 18 637.6 637.7 322.2 637.7 0.01 85 21 25800 -56.3 -86.3 1 30.0 -58.2 344 16 654.6 654.6 322.9 654.7 0.01 86 20 26110 -56.7 -85.7 1 29.0 -58.6 15 16 662.6 662.6 323.2 662.7 0.01 87 17 27141 -57.5 -87.5 1 30.0 -59.5 14 12 691.6 691.6 324.1 691.7 0.01 88 16 27529 -52.7 -84.7 1 32.0 -55.9 315 3 719.3 719.3 325.0 719.5 0.02 89 14 28390 -53.9 -85.9 1 32.0 -57.1 244 12 743.3 743.3 325.7 743.4 0.02 90 13 28871 -50.5 -84.5 1 34.0 -55.0 261 16 771.0 771.0 326.5 771.2 0.02 91 12 29392 -51.7 -84.7 1 33.0 -56.0 290 19 784.6 784.6 326.8 784.8 0.03 92 11 29960 -49.5 -84.5 1 35.0 -54.9 308 22 812.3 812.3 327.5 812.6 0.03 93 11 29960 -50.1 -84.1 1 34.0 -55.2 308 22 810.1 810.2 327.5 810.4 0.03 94 10 30590 -45.5 -82.5 1 37.0 -52.9 315 20 849.7 849.7 328.4 850.1 0.04 95 9.9 30657 -45.3 -82.3 1 37.0 -52.9 317 20 852.9 852.9 328.5 853.3 0.05 96 8.5 31669 -46.1 -83.1 1 37.0 -53.9 347 20 887.8 887.8 329.2 888.3 0.05 97 7.6 32404 -50.1 -84.1 1 34.0 -56.5 9 20 900.5 900.5 329.4 901.0 0.04 98 7.0 32940 -49.9 -84.9 1 35.0 -56.7 25 20 922.8 922.8 329.8 923.2 0.04 99 6.9 33034 -49.9 -84.9 1 35.0 -56.8 926.6 926.6 329.9 927.0 0.04 100 6.5 33428 -46.5 -83.5 1 37.0 -55.2 956.9 956.9 330.5 957.5 0.06 101 5.8 34186 -45.1 -83.1 1 38.0 -55.1 994.7 994.7 331.1 995.5 0.07 TRP 186 12271 -62.7 -70.7 33 8.0 -62.8 260 139 340.5 340.5 294.4 340.5 0.01 WND 215 11364 -57.0 -63.3 45 6.3 -57.1 270 165 335.5 335.5 293.2 335.6 0.04 Sounding variables and indices 1000-500 mb thick: 5338.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.50 inches Sfc-500 mean rel hum: 92.30 % Est. max temperature: 6.34 C = 43.41 F Sfc-Lift cond lev (LCL): 922.47 mb = 833.16 m = 2733.45 ft T: -8.86 C 700-500 lapse rate: 4.07 C/km ThetaE index: 0.11 C Layer 942.0- 897.0 mb Conv cond level (CCL): 922.27 mb = 834.85 m = 2738.96 ft Mean mixing ratio: 2.12 g/kg Conv temperature: -1.61 C = 29.11 F Cap Strength: 27.45 C Lifted Index: 27.39 C Risk: None Lifted Index @300 mb: 37.83 C Lifted Index @700 mb: 16.44 C Showalter Index: 17.70 C Risk: None Total Totals Index: 27.90 C Risk: None Vertical Totals Index: 14.20 C Cross Totals Index: 13.70 C K Index: 6.70 Risk: None Sweat Index: 239.70 Risk: None Energy Index: 5.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.34 J/kg Max Up Vert Vel: 2.59 m/s Conv Inhibition (B-): 77576.95 J/kg Cap Strength: 27.03 C Lift Cond Lev (LCL): 929.55 mb = 773.87 m = 2538.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 31 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 1014 98 80 4 -3.9 -0.7 | 98 35 -34.5 5.0 1 1000 202 85 5 -5.0 -0.4 | 98 36 -35.5 5.3 2 987 305 95 6 -6.0 0.5 | 100 37 -36.5 6.2 3 949 610 120 10 -8.7 5.0 | 105 41 -39.2 10.7 4 925 812 125 12 -9.8 6.9 | 107 42 -40.4 12.6 5 913 914 125 13 -10.6 7.5 | 108 43 -41.2 13.2 6 878 1219 175 14 -1.2 13.9 | 122 37 -31.8 19.6 7 850 1468 210 25 12.5 21.7 | 147 33 -18.1 27.4 8 844 1524 215 26 14.9 21.3 | 150 31 -15.6 27.0 9 812 1829 230 24 18.4 15.4 | 150 24 -12.2 21.1 10 781 2134 240 21 18.2 10.5 | 143 20 -12.4 16.2 11 751 2438 275 18 17.9 -1.6 | 108 13 -12.6 4.1 12 722 2743 280 21 20.7 -3.6 | 102 10 -9.9 2.1 13 700 2983 265 20 19.9 1.7 | 125 13 -10.6 7.4 14 694 3048 265 19 18.9 1.7 | 122 14 -11.6 7.4 15 641 3658 265 39 38.9 3.4 | 222 12 8.3 9.1 16 615 3962 270 49 49.0 -0.0 | 253 19 18.4 5.7 17 591 4267 260 56 55.1 9.7 | 238 29 24.6 15.4 18 568 4572 250 60 56.4 20.5 | 225 37 25.8 26.2 19 546 4877 255 75 72.4 19.4 | 239 49 41.9 25.1 20 504 5486 250 93 87.4 31.8 | 237 68 56.8 37.5 21 500 5540 245 93 84.3 39.3 | 230 70 53.7 45.0 22 463 6096 250 101 94.9 34.5 | 238 76 64.4 40.2 23 444 6401 255 102 98.5 26.4 | 245 75 68.0 32.1 24 400 7160 265 123 122.5 10.7 | 260 93 92.0 16.4 25 375 7620 265 126 125.5 11.0 | 260 96 95.0 16.7 26 343 8230 260 138 135.9 24.0 | 254 109 105.3 29.7 27 329 8534 260 132 130.0 22.9 | 254 103 99.4 28.6 28 301 9144 260 138 135.9 24.0 | 254 109 105.3 29.7 29 300 9170 265 143 142.5 12.5 | 261 113 111.9 18.2 30 250 10390 265 160 159.4 13.9 | 261 130 128.8 19.6 31 239 10668 265 160 159.4 13.9 | 261 130 128.8 19.6 32 215 11364 270 165 165.0 -0.0 | 268 135 134.4 5.7 33 208 11582 270 165 165.0 -0.0 | 268 135 134.4 5.7 34 200 11820 265 140 139.5 12.2 | 261 110 108.9 17.9 35 188 12192 265 138 137.5 12.0 | 261 108 106.9 17.7 36 186 12271 260 139 136.9 24.1 | 254 110 106.3 29.8 37 179 12497 255 143 138.1 37.0 | 248 116 107.6 42.7 38 150 13600 275 106 105.6 -9.2 | 273 75 75.0 -3.5 39 127 14630 275 81 80.7 -7.1 | 272 50 50.1 -1.4 40 115 15240 265 63 62.8 5.5 | 251 34 32.2 11.2 41 100 16110 265 72 71.7 6.3 | 254 43 41.2 12.0 42 94 16459 265 72 71.7 6.3 | 254 43 41.2 12.0 43 86 17069 275 78 77.7 -6.8 | 271 47 47.1 -1.1 44 70 18288 290 54 50.7 -18.5 | 302 24 20.2 -12.8 45 70 18300 280 44 43.3 -7.6 | 279 13 12.8 -1.9 46 64 18898 270 37 37.0 -0.0 | 228 9 6.4 5.7 47 60 19202 285 42 40.6 -10.9 | 297 11 10.0 -5.2 48 58 19507 265 38 37.9 3.3 | 219 12 7.3 9.0 49 55 19812 275 40 39.8 -3.5 | 257 10 9.3 2.2 50 52 20117 250 33 31.0 11.3 | 182 17 0.5 17.0 51 50 20380 270 40 40.0 -0.0 | 239 11 9.4 5.7 52 47 20726 265 41 40.8 3.6 | 228 14 10.3 9.3 53 45 21031 285 36 34.8 -9.3 | 311 6 4.2 -3.6 54 43 21336 280 28 27.6 -4.9 | 106 3 -3.0 0.8 55 41 21641 275 30 29.9 -2.6 | 168 3 -0.7 3.1 56 39 21946 325 31 17.8 -25.4 | 33 23 -12.8 -19.7 57 37 22250 325 19 10.9 -15.6 | 63 22 -19.7 -9.9 58 35 22555 275 15 14.9 -1.3 | 106 16 -15.6 4.4 59 34 22860 285 13 12.6 -3.4 | 97 18 -18.0 2.3 60 32 23165 260 14 13.8 2.4 | 116 19 -16.8 8.1 61 30 23470 275 20 19.9 -1.7 | 110 11 -10.6 4.0 62 30 23550 260 23 22.7 4.0 | 141 13 -7.9 9.7 63 29 23774 255 18 17.4 4.7 | 128 17 -13.2 10.4 64 28 24079 270 24 24.0 -0.0 | 131 9 -6.6 5.7 65 26 24384 265 24 23.9 2.1 | 140 10 -6.6 7.8 66 25 24689 305 35 28.7 -20.1 | 7 14 -1.9 -14.4 67 24 24994 305 22 18.0 -12.6 | 61 14 -12.5 -6.9 68 23 25298 325 17 9.8 -13.9 | 68 22 -20.8 -8.2 69 22 25603 315 19 13.4 -13.4 | 66 19 -17.1 -7.7 70 21 25908 360 14 -0.0 -14.0 | 75 32 -30.6 -8.3 71 20 26110 15 16 -4.1 -15.5 | 74 36 -34.7 -9.8 72 20 26213 20 20 -6.8 -18.8 | 71 40 -37.4 -13.1 73 19 26518 25 19 -8.0 -17.2 | 73 40 -38.6 -11.5 74 18 26822 360 21 -0.0 -21.0 | 63 34 -30.6 -15.3 75 17 27127 20 13 -4.4 -12.2 | 79 36 -35.0 -6.5 76 16 27432 325 2 1.1 -1.6 | 98 30 -29.4 4.1 77 13 28651 225 14 9.9 9.9 | 127 26 -20.7 15.6 78 13 28956 270 17 17.0 -0.0 | 113 15 -13.6 5.7 79 12 29261 285 17 16.4 -4.4 | 95 14 -14.1 1.3 80 12 29566 295 21 19.0 -8.9 | 75 12 -11.5 -3.2 81 11 29870 315 19 13.4 -13.4 | 66 19 -17.1 -7.7 82 11 30175 295 29 26.3 -12.3 | 33 8 -4.3 -6.6 83 10 30590 315 20 14.1 -14.1 | 63 18 -16.4 -8.4 84 7 32940 25 20 -8.5 -18.1 | 72 41 -39.0 -12.4 Wind Parameters Mean winds (0-6000m): 250.6 at 41.4 knts Storm direction: 280.6 at 31.1 knts Shear (0-3000m) pos: 4.0 neg: 0.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 28.6 deg Storm rel helicity (0-3000m) pos: 353.1 neg: -57.6 tot: 295.5 m^2/s^2 ave: 98.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 12.6 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.01 Bulk Shear: 295.33 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 ------------------------------------------------------------------------------- 500 103 7 101 38| 7.4 0.0 7.4| 46.1 0.0 46.1 92.2 0.60| 7.8 4.7 1000 121 9 105 40| 6.8 0.0 6.8|139.0 0.0 139.0 139.0 0.73| 9.2 6.6 1500 160 13 117 39| 9.8 0.0 9.8|338.1 0.0 338.1 225.4 0.80| 14.6 11.7 2000 191 16 127 35| 6.5 0.0 6.5|338.8 -16.0 322.8 161.4 0.60| 13.4 8.1 2500 211 16 132 30| 4.8 0.0 4.8|338.8 -56.3 282.5 113.0 0.32| 13.6 4.4 3000 227 17 134 25| 4.0 0.8 4.8|353.1 -57.6 295.5 98.5 0.35| 12.6 4.4 4000 249 22 144 17| 4.9 2.4 7.3|423.1 -69.2 353.9 88.5 0.44| 13.8 6.1 5000 252 31 175 15| 6.0 3.3 9.4|534.4-159.4 374.9 75.0 0.31| 15.1 4.7 6000 251 41 204 21| 5.9 4.2 10.0|711.1-315.6 395.5 65.9 0.26| 15.1 4.0 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251205.12.gif