UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 29 NOV 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 1021 98 -1.7 -8.7 59 7.0 -3.9 260 4 269.8 270.2 268.1 275.2 1.94 1 1020 105 -0.7 -9.7 51 9.0 -3.5 262 5 270.9 271.2 268.6 275.9 1.79 2 1014 150 -0.3 -10.3 47 10.0 -3.4 277 8 271.8 272.1 269.0 276.6 1.72 3 1000 254 -1.1 -10.1 50 9.0 -3.9 310 17 272.0 272.3 269.3 277.0 1.77 4 925 870 -5.5 -12.5 58 7.0 -7.5 345 24 273.7 273.9 270.0 278.1 1.58 5 923 887 -5.7 -12.7 58 7.0 -7.7 345 24 273.6 273.9 269.9 278.0 1.56 6 880 1258 -9.1 -13.5 70 4.4 -10.2 344 26 273.9 274.1 270.1 278.2 1.53 7 878 1276 -8.9 -13.9 67 5.0 -10.2 343 25 274.3 274.5 270.2 278.5 1.48 8 875 1303 -6.9 -18.9 38 12.0 -9.7 342 25 276.6 276.8 270.8 279.5 0.98 9 874 1312 -4.9 -22.9 23 18.0 -8.9 342 25 278.8 278.9 271.6 280.9 0.69 10 873 1321 -4.5 -24.5 19 20.0 -8.8 342 25 279.3 279.4 271.8 281.1 0.60 11 857 1466 -3.7 -28.7 12 25.0 -8.7 337 24 281.6 281.7 272.8 282.9 0.42 12 850 1531 -4.1 -29.1 12 25.0 -9.0 335 23 281.9 281.9 272.9 283.1 0.41 13 799 2016 -6.5 -40.5 5 34.0 -11.4 326 19 284.3 284.3 273.9 284.8 0.14 14 757 2437 -7.7 -43.7 4 36.0 -12.5 310 19 287.4 287.5 275.5 287.8 0.11 15 742 2593 -6.5 -46.5 3 40.0 -11.8 300 22 290.4 290.4 277.0 290.7 0.08 16 721 2817 -7.1 -44.1 3 37.0 -12.3 290 26 292.1 292.2 277.9 292.5 0.11 17 700 3048 -5.7 -51.7 1 46.0 -11.6 290 28 296.2 296.2 279.7 296.3 0.05 18 693 3127 -5.3 -50.3 1 45.0 -11.3 291 30 297.5 297.5 280.3 297.7 0.06 19 672 3367 -6.9 -51.9 1 45.0 -12.6 293 34 298.3 298.3 280.7 298.5 0.05 20 660 3507 -7.9 -31.9 13 24.0 -12.6 294 37 298.7 298.8 281.4 300.1 0.40 21 645 3685 -8.7 -29.7 17 21.0 -13.0 295 40 299.8 299.9 282.0 301.5 0.50 22 605 4179 -10.9 -33.9 13 23.0 -15.1 295 43 302.8 302.9 283.0 304.0 0.36 23 594 4319 -11.9 -34.9 13 23.0 -15.9 295 44 303.2 303.3 283.1 304.4 0.33 24 563 4726 -15.5 -28.5 32 13.0 -18.0 299 43 303.7 303.8 283.7 305.8 0.65 25 550 4902 -16.5 -31.5 26 15.0 -19.1 300 43 304.5 304.6 283.9 306.2 0.50 26 513 5421 -20.7 -34.7 27 14.0 -22.8 304 51 305.5 305.6 284.1 306.9 0.39 27 503 5566 -21.9 -31.9 40 10.0 -23.5 305 53 305.8 305.9 284.4 307.6 0.52 28 500 5610 -22.1 -33.1 36 11.0 -23.8 305 54 306.1 306.2 284.4 307.7 0.47 29 499 5625 -22.1 -33.1 36 11.0 -23.8 305 54 306.3 306.4 284.5 307.9 0.47 30 497 5654 -21.5 -36.5 25 15.0 -23.6 305 54 307.4 307.4 284.8 308.5 0.34 31 489 5775 -20.9 -39.9 16 19.0 -23.4 305 54 309.5 309.6 285.5 310.4 0.24 32 473 6021 -22.3 -41.3 16 19.0 -24.6 287 57 310.7 310.8 285.9 311.5 0.22 33 440 6549 -27.1 -37.1 38 10.0 -28.3 278 62 311.2 311.2 286.2 312.4 0.36 34 436 6615 -27.7 -38.7 34 11.0 -29.0 278 62 311.2 311.3 286.1 312.3 0.31 35 434 6648 -27.7 -47.7 13 20.0 -29.4 278 63 311.6 311.7 286.1 312.1 0.12 36 409 7072 -31.3 -55.3 8 24.0 -32.7 276 67 312.3 312.3 286.2 312.5 0.05 37 400 7230 -32.7 -51.7 13 19.0 -33.9 275 68 312.5 312.5 286.3 312.8 0.08 38 399 7248 -32.9 -50.9 15 18.0 -34.1 275 68 312.5 312.5 286.3 312.8 0.09 39 393 7354 -33.5 -40.5 49 7.0 -34.1 277 69 313.0 313.1 286.8 314.0 0.28 40 390 7407 -33.9 -42.9 40 9.0 -34.7 277 69 313.2 313.2 286.8 314.0 0.22 41 380 7588 -35.3 -44.3 39 9.0 -36.0 279 71 313.7 313.7 286.9 314.4 0.20 42 368 7810 -37.1 -43.1 54 6.0 -37.5 280 72 314.2 314.2 287.1 315.0 0.23 43 363 7904 -37.5 -46.5 39 9.0 -38.1 280 73 314.9 314.9 287.2 315.5 0.16 44 359 7980 -37.9 -43.9 53 6.0 -38.4 280 73 315.3 315.4 287.5 316.1 0.22 45 337 8412 -40.9 -50.9 33 10.0 -41.4 280 76 317.0 317.0 287.9 317.4 0.11 46 328 8595 -42.5 -49.5 46 7.0 -42.9 280 77 317.3 317.3 288.0 317.7 0.13 47 324 8677 -43.3 -48.1 59 4.8 -43.6 280 78 317.3 317.3 288.1 317.8 0.15 48 323 8698 -43.5 -49.5 51 6.0 -43.8 280 78 317.3 317.3 288.0 317.8 0.13 49 318 8802 -44.3 -49.3 57 5.0 -44.5 280 79 317.6 317.6 288.1 318.1 0.13 50 316 8845 -44.5 -52.5 41 8.0 -44.8 280 79 317.9 317.9 288.2 318.2 0.09 51 309 8994 -45.1 -57.1 25 12.0 -45.5 280 80 319.1 319.1 288.5 319.3 0.05 52 300 9190 -46.9 -57.9 27 11.0 -47.2 280 80 319.3 319.3 288.6 319.5 0.05 53 284 9550 -49.7 -58.7 34 9.0 -50.0 277 79 320.3 320.3 288.9 320.5 0.05 54 276 9735 -50.9 -61.9 26 11.0 -51.1 275 78 321.2 321.2 289.2 321.3 0.03 55 273 9806 -51.3 -60.3 33 9.0 -51.5 275 78 321.6 321.6 289.3 321.8 0.04 56 250 10370 -55.9 -63.9 36 8.0 -56.1 270 76 323.0 323.0 289.7 323.1 0.03 57 213 11373 -63.3 -70.3 38 7.0 -63.4 265 80 326.6 326.6 290.7 326.6 0.01 58 200 11760 -63.1 -74.1 21 11.0 -63.2 265 78 332.8 332.8 292.5 332.9 0.01 59 173 12660 -62.0 -79.0 9 17.0 -62.1 255 86 348.8 348.8 296.4 348.8 0.00 60 150 13550 -60.9 -83.9 3 23.0 -61.1 260 73 365.2 365.2 299.7 365.2 0.00 61 100 16070 -62.1 -86.1 3 24.0 -62.3 270 55 407.7 407.7 306.2 407.8 0.00 62 81 17369 -63.1 -88.1 2 25.0 -63.3 260 50 431.0 431.0 308.9 431.0 0.00 63 70 18270 -61.3 -88.3 2 27.0 -61.7 275 37 453.2 453.2 311.1 453.3 0.00 64 67 18541 -61.5 -88.5 2 27.0 -61.9 268 37 458.5 458.5 311.7 458.5 0.00 65 64 18827 -58.9 -87.9 1 29.0 -59.4 266 33 470.3 470.3 312.7 470.3 0.00 66 56 19653 -64.1 -89.1 2 25.0 -64.4 243 30 476.7 476.7 313.2 476.7 0.00 67 55 19764 -62.7 -88.7 2 26.0 -63.1 250 32 482.4 482.4 313.7 482.4 0.00 68 50 20350 -63.1 -90.1 1 27.0 -63.5 255 41 494.8 494.8 314.6 494.8 0.00 69 49 20475 -61.1 -89.1 1 28.0 -61.6 247 34 502.4 502.4 315.1 502.4 0.00 70 47 20734 -60.1 -89.1 1 29.0 -60.7 255 41 510.8 510.8 315.7 510.8 0.00 71 44 21146 -59.5 -88.5 1 29.0 -60.2 272 32 522.0 522.0 316.4 522.0 0.00 72 38 22056 -63.3 -89.3 2 26.0 -63.8 235 20 534.7 534.7 317.2 534.7 0.00 73 36 22389 -62.1 -90.1 1 28.0 -62.7 271 26 546.1 546.1 317.9 546.1 0.00 74 35 22563 -63.3 -90.3 1 27.0 -63.8 280 29 547.4 547.4 317.9 547.4 0.00 75 30 23510 -63.3 -90.3 1 27.0 -63.9 275 9 572.1 572.1 319.3 572.1 0.00 76 28 23935 -61.9 -89.9 1 28.0 -62.7 299 13 587.4 587.4 320.0 587.4 0.00 77 26 24391 -63.5 -90.5 1 27.0 -64.2 296 18 595.4 595.4 320.4 595.4 0.00 78 24 24884 -61.1 -89.1 1 28.0 -62.1 299 11 616.2 616.2 321.3 616.2 0.01 79 22 25423 -61.5 -89.5 1 28.0 -62.5 293 14 630.5 630.5 321.9 630.5 0.01 80 21 25710 -63.5 -90.5 1 27.0 -64.3 281 18 632.9 632.9 322.0 632.9 0.01 81 20 26010 -62.3 -90.3 1 28.0 -63.3 315 17 645.5 645.5 322.5 645.5 0.01 82 18 26659 -62.5 -90.5 1 28.0 -63.6 330 14 664.6 664.6 323.2 664.6 0.01 83 17 27014 -59.3 -89.3 1 30.0 -60.9 330 16 685.8 685.8 324.0 685.9 0.01 84 16 27393 -59.3 -89.3 1 30.0 -61.0 330 17 697.8 697.8 324.4 697.9 0.01 85 13 28687 -60.9 -89.9 1 29.0 -62.6 336 17 735.0 735.0 325.5 735.0 0.01 86 12 29186 -59.1 -89.1 1 30.0 -61.3 317 18 758.3 758.4 326.1 758.4 0.01 87 10 30330 -58.3 -88.3 1 30.0 -61.0 285 24 801.9 801.9 327.3 802.1 0.02 88 9.4 30720 -56.9 -87.9 1 31.0 -60.2 282 29 821.6 821.6 327.8 821.7 0.02 89 8.0 31744 -55.9 -86.9 1 31.0 -59.9 276 42 864.3 864.3 328.7 864.6 0.03 90 7.7 31986 -57.3 -87.3 1 30.0 -60.9 274 45 868.2 868.2 328.8 868.4 0.02 91 7.0 32590 -56.1 -87.1 1 31.0 -60.3 270 52 897.1 897.2 329.4 897.4 0.03 92 6.9 32681 -56.5 -87.5 1 31.0 -60.7 899.2 899.2 329.4 899.4 0.03 93 6.3 33263 -53.3 -86.3 1 33.0 -59.0 936.5 936.5 330.1 936.9 0.04 TRP 213 11373 -63.3 -70.3 38 7.0 -63.4 265 80 326.6 326.6 290.7 326.6 0.01 WND 173 12660 -62.0 -79.0 9 17.0 -62.1 255 86 348.8 348.8 296.4 348.8 0.00 Sounding variables and indices 1000-500 mb thick: 5356.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 23.13 % Est. max temperature: 8.09 C = 46.57 F Sfc-Lift cond lev (LCL): 914.54 mb = 958.64 m = 3145.10 ft T: -6.36 C 700-500 lapse rate: 6.40 C/km ThetaE index: 0.09 C Layer 923.0- 880.0 mb Conv cond level (CCL): 533.16 mb = 5133.75 m = 16842.80 ft Mean mixing ratio: 1.69 g/kg Conv temperature: 33.65 C = 92.57 F Cap Strength: 23.72 C Lifted Index: 23.88 C Risk: None Lifted Index @300 mb: 29.69 C Lifted Index @700 mb: 18.95 C Showalter Index: 19.36 C Risk: None Total Totals Index: 11.00 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: -7.00 C K Index: -57.10 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 5.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.55 J/kg Max Up Vert Vel: 3.33 m/s Conv Inhibition (B-): 69391.05 J/kg Cap Strength: 23.79 C Lift Cond Lev (LCL): 851.41 mb = 1517.89 m = 4979.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 25 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 1021 98 260 4 3.9 0.7 | 164 24 -6.6 23.4 1 1000 254 310 17 13.0 -10.9 | 192 12 2.5 11.8 2 994 305 310 18 13.8 -11.6 | 196 12 3.2 11.1 3 956 610 330 23 11.5 -19.9 | 199 3 0.9 2.8 4 925 870 345 24 6.2 -23.2 | 84 4 -4.3 -0.5 5 920 914 345 24 6.2 -23.2 | 84 4 -4.3 -0.5 6 885 1219 345 26 6.7 -25.1 | 58 5 -3.8 -2.4 7 850 1531 335 23 9.7 -20.8 | 156 2 -0.8 1.9 8 818 1829 335 18 7.6 -16.3 | 155 7 -2.9 6.4 9 787 2134 320 19 12.2 -14.6 | 191 8 1.7 8.1 10 757 2438 310 19 14.6 -12.2 | 201 11 4.0 10.5 11 728 2743 290 25 23.5 -8.6 | 222 19 12.9 14.1 12 700 3048 290 28 26.3 -9.6 | 230 21 15.8 13.1 13 646 3658 295 40 36.3 -16.9 | 257 26 25.7 5.8 14 596 4267 295 44 39.9 -18.6 | 262 30 29.3 4.1 15 551 4877 300 43 37.2 -21.5 | 267 27 26.7 1.2 16 500 5610 305 54 44.2 -31.0 | 284 35 33.7 -8.3 17 488 5791 305 54 44.2 -31.0 | 284 35 33.7 -8.3 18 468 6096 280 58 57.1 -10.1 | 255 48 46.6 12.6 19 400 7230 275 68 67.7 -5.9 | 254 60 57.2 16.8 20 378 7620 280 71 69.9 -12.3 | 260 60 59.4 10.4 21 302 9144 280 81 79.8 -14.1 | 263 70 69.2 8.6 22 300 9190 280 80 78.8 -13.9 | 263 69 68.2 8.8 23 250 10370 270 76 76.0 -0.0 | 251 69 65.4 22.7 24 213 11373 265 80 79.7 7.0 | 247 75 69.1 29.7 25 200 11760 265 78 77.7 6.8 | 246 73 67.1 29.5 26 187 12192 250 86 80.8 29.4 | 233 87 70.3 52.1 27 173 12660 255 86 83.1 22.3 | 238 85 72.5 45.0 28 169 12802 255 86 83.1 22.3 | 238 85 72.5 45.0 29 150 13550 260 73 71.9 12.7 | 240 71 61.3 35.4 30 132 14326 265 70 69.7 6.1 | 244 66 59.2 28.8 31 114 15240 275 77 76.7 -6.7 | 256 68 66.2 16.0 32 104 15850 270 55 55.0 -0.0 | 243 50 44.4 22.7 33 100 16070 270 55 55.0 -0.0 | 243 50 44.4 22.7 34 94 16459 270 55 55.0 -0.0 | 243 50 44.4 22.7 35 89 16764 270 63 63.0 -0.0 | 247 57 52.4 22.7 36 81 17374 260 50 49.2 8.7 | 231 50 38.7 31.4 37 73 17983 275 41 40.8 -3.6 | 238 36 30.3 19.1 38 70 18270 275 37 36.9 -3.2 | 233 33 26.3 19.5 39 70 18288 270 41 41.0 -0.0 | 233 38 30.4 22.7 40 63 18898 265 32 31.9 2.8 | 220 33 21.3 25.5 41 60 19202 245 29 26.3 12.3 | 204 38 15.7 35.0 42 57 19507 235 28 22.9 16.1 | 198 41 12.4 38.8 43 52 20117 270 38 38.0 -0.0 | 230 36 27.4 22.7 44 50 20350 255 41 39.6 10.6 | 221 44 29.0 33.3 45 49 20422 245 33 29.9 13.9 | 208 41 19.4 36.6 46 47 20726 255 41 39.6 10.6 | 221 44 29.0 33.3 47 43 21336 280 28 27.6 -4.9 | 224 25 17.0 17.8 48 41 21641 270 14 14.0 -0.0 | 189 23 3.4 22.7 49 39 21946 220 18 11.6 13.8 | 182 37 1.0 36.5 50 37 22250 265 23 22.9 2.0 | 207 28 12.4 24.7 51 35 22555 280 29 28.6 -5.0 | 226 25 18.0 17.7 52 33 22860 275 25 24.9 -2.2 | 215 25 14.3 20.5 53 32 23165 305 22 18.0 -12.6 | 217 13 7.5 10.1 54 30 23470 270 14 14.0 -0.0 | 189 23 3.4 22.7 55 30 23510 275 9 9.0 -0.8 | 176 22 -1.6 21.9 56 29 23774 300 11 9.5 -5.5 | 177 17 -1.0 17.2 57 26 24384 295 18 16.3 -7.6 | 201 16 5.8 15.1 58 25 24689 335 14 5.9 -12.7 | 155 11 -4.6 10.0 59 24 24994 280 10 9.8 -1.7 | 178 21 -0.7 21.0 60 22 25298 315 13 9.2 -9.2 | 174 14 -1.4 13.5 61 21 25603 260 16 15.8 2.8 | 192 26 5.2 25.5 62 20 25908 320 21 13.5 -16.1 | 204 7 2.9 6.6 63 20 26010 315 17 12.0 -12.0 | 188 11 1.5 10.7 64 19 26213 290 16 15.0 -5.5 | 195 18 4.5 17.2 65 18 26518 330 14 7.0 -12.1 | 161 11 -3.6 10.6 66 16 27432 330 17 8.5 -14.7 | 166 8 -2.1 8.0 67 15 27737 335 23 9.7 -20.8 | 156 2 -0.8 1.9 68 14 28042 5 15 -1.3 -14.9 | 123 14 -11.9 7.8 69 13 28651 340 17 5.8 -16.0 | 145 8 -4.7 6.7 70 12 28956 315 17 12.0 -12.0 | 188 11 1.5 10.7 71 11 29566 320 19 12.2 -14.6 | 191 8 1.7 8.1 72 10 30330 285 24 23.2 -6.2 | 217 21 12.6 16.5 73 7 32590 270 52 52.0 -0.0 | 241 47 41.4 22.7 Wind Parameters Mean winds (0-6000m): 305.1 at 33.4 knts Storm direction: 335.1 at 25.0 knts Shear (0-3000m) pos: 4.3 neg: 4.3 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 68.6 deg Storm rel helicity (0-3000m) pos: 104.6 neg: -5.1 tot: 99.5 m^2/s^2 ave: 33.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 38.51 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 ------------------------------------------------------------------------------- 500 316 17 187 11| 22.3 0.0 22.3| 51.7 -0.1 51.5 103.1 0.44| 25.7 11.3 1000 331 20 173 5| 12.9 0.0 12.9| 51.7 -4.3 47.4 47.4 0.14| 17.0 2.4 1500 335 22 158 3| 8.6 1.8 10.4| 53.9 -5.1 48.8 32.5 0.20| 13.7 2.7 2000 334 21 161 4| 6.5 2.8 9.3| 61.6 -5.1 56.5 28.2 0.25| 12.3 3.1 2500 330 21 179 5| 5.2 3.8 9.0| 77.9 -5.1 72.8 29.1 0.31| 11.6 3.6 3000 322 22 206 6| 4.3 4.3 8.6|104.6 -5.1 99.5 33.2 0.35| 11.2 3.9 4000 311 26 237 10| 4.6 3.2 7.9|177.9 -5.1 172.8 43.2 0.43| 10.2 4.4 5000 307 29 249 14| 4.3 2.6 6.9|222.2 -5.1 217.1 43.4 0.46| 9.0 4.2 6000 305 33 258 17| 4.3 4.2 8.4|272.5-230.3 42.1 7.0 0.21| 10.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251129.12.gif