UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 26 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 1000 98 12.4 11.8 96 0.6 12.0 210 14 285.5 287.1 285.2 309.7 8.72 1 969 358 10.8 10.8 100 0.0 10.8 209 20 286.5 288.0 285.3 309.9 8.42 2 966 384 10.8 10.8 100 0.0 10.8 211 21 286.8 288.2 285.4 310.3 8.44 3 960 435 12.6 11.7 94 0.9 12.1 215 21 289.1 290.7 286.9 314.5 9.03 4 938 628 15.0 11.2 78 3.8 12.7 232 23 293.5 295.1 288.4 319.1 8.94 5 925 745 15.0 9.0 67 6.0 11.5 245 22 294.6 296.0 287.8 317.2 7.81 6 924 754 15.0 9.0 67 6.0 11.5 245 22 294.7 296.1 287.9 317.3 7.82 7 882 1146 11.8 6.8 71 5.0 9.0 260 25 295.4 296.6 287.3 315.8 7.04 8 872 1242 11.4 4.4 62 7.0 7.6 265 25 295.9 297.0 286.6 313.5 6.02 9 850 1455 9.8 2.8 62 7.0 6.1 265 27 296.4 297.4 286.2 312.6 5.51 10 842 1533 9.2 2.2 62 7.0 5.6 264 29 296.6 297.5 286.1 312.3 5.33 11 827 1682 8.6 0.6 57 8.0 4.6 262 33 297.5 298.4 285.9 311.8 4.83 12 822 1732 9.0 -1.0 49 10.0 4.1 261 34 298.4 299.2 285.8 311.3 4.32 13 804 1916 8.0 -2.0 49 10.0 3.2 259 39 299.3 300.0 285.9 311.6 4.10 14 762 2355 4.4 -3.6 56 8.0 0.7 248 49 300.0 300.7 285.9 311.6 3.84 15 740 2593 2.6 0.6 87 2.0 1.6 245 52 300.5 301.5 287.6 316.7 5.40 16 727 2737 1.8 -5.2 60 7.0 -1.3 245 52 301.2 301.9 286.1 312.1 3.57 17 724 2770 1.6 -1.7 79 3.3 0.0 245 52 301.3 302.2 287.2 315.4 4.66 18 721 2803 1.6 -3.4 69 5.0 -0.7 245 53 301.7 302.5 286.8 314.2 4.13 19 714 2882 0.8 -3.3 74 4.1 -1.1 245 53 301.7 302.4 286.9 314.4 4.20 20 708 2950 0.6 -8.4 51 9.0 -3.1 245 54 302.2 302.7 285.7 311.0 2.86 21 705 2984 0.4 -9.6 47 10.0 -3.6 245 54 302.3 302.8 285.5 310.4 2.62 22 703 3007 0.6 -12.4 37 13.0 -4.2 245 55 302.8 303.2 285.1 309.4 2.10 23 701 3030 0.6 -15.4 29 16.0 -4.9 245 55 303.0 303.3 284.7 308.3 1.64 24 700 3041 0.6 -15.4 29 16.0 -4.9 245 55 303.1 303.5 284.7 308.4 1.65 25 689 3168 1.0 -15.0 29 16.0 -4.7 243 55 305.0 305.3 285.5 310.5 1.73 26 671 3380 0.4 -19.6 21 20.0 -6.0 240 55 306.6 306.8 285.5 310.6 1.20 27 646 3683 -2.1 -20.1 24 18.0 -7.6 235 55 307.1 307.4 285.7 311.1 1.20 28 609 4148 -5.5 -25.5 19 20.0 -10.7 235 53 308.4 308.6 285.7 311.1 0.79 29 586 4449 -6.7 -36.7 7 30.0 -12.5 238 54 310.5 310.5 285.8 311.5 0.28 30 531 5212 -11.3 -44.3 5 33.0 -16.3 245 62 313.8 313.8 286.9 314.3 0.14 31 500 5670 -14.9 -46.9 5 32.0 -19.1 245 62 314.9 314.9 287.2 315.3 0.11 32 483 5930 -16.7 -46.7 6 30.0 -20.5 245 62 315.8 315.8 287.5 316.2 0.12 33 478 6008 -16.7 -50.7 4 34.0 -20.6 245 62 316.7 316.7 287.8 317.0 0.08 34 474 6071 -16.9 -45.9 6 29.0 -20.7 245 62 317.2 317.3 288.0 317.7 0.13 35 467 6183 -17.9 -40.9 11 23.0 -21.2 244 62 317.4 317.4 288.2 318.2 0.23 36 451 6442 -19.5 -45.5 8 26.0 -22.7 242 63 318.5 318.6 288.4 319.1 0.15 37 400 7320 -26.3 -50.3 9 24.0 -28.5 235 67 320.8 320.8 289.1 321.2 0.10 38 388 7539 -27.9 -55.9 5 28.0 -29.9 239 68 321.5 321.5 289.3 321.7 0.05 39 327 8742 -38.1 -57.1 12 19.0 -39.0 240 72 323.6 323.6 289.9 323.8 0.05 40 319 8912 -39.1 -53.1 21 14.0 -39.9 240 73 324.5 324.5 290.2 324.8 0.09 41 317 8955 -39.5 -48.5 38 9.0 -40.1 240 74 324.5 324.6 290.3 325.1 0.15 42 315 8998 -39.9 -50.9 30 11.0 -40.5 240 75 324.6 324.6 290.3 325.0 0.11 43 312 9063 -40.3 -50.3 33 10.0 -40.9 240 77 324.9 324.9 290.4 325.4 0.12 44 309 9129 -40.5 -52.5 26 12.0 -41.1 240 79 325.5 325.5 290.5 325.9 0.10 45 307 9173 -40.3 -55.3 19 15.0 -41.0 240 81 326.4 326.4 290.7 326.7 0.07 46 300 9330 -41.5 -55.5 21 14.0 -42.1 240 93 326.9 326.9 290.9 327.1 0.07 47 299 9353 -41.7 -55.7 20 14.0 -42.3 240 93 326.9 326.9 290.9 327.2 0.07 48 297 9398 -41.9 -57.9 16 16.0 -42.6 240 93 327.2 327.3 291.0 327.5 0.05 49 289 9582 -43.3 -58.3 18 15.0 -43.9 240 93 327.8 327.8 291.2 328.0 0.05 50 287 9628 -43.5 -62.5 11 19.0 -44.1 240 93 328.2 328.2 291.2 328.3 0.03 51 279 9818 -44.9 -64.9 9 20.0 -45.4 240 94 328.8 328.8 291.4 328.9 0.02 52 277 9865 -45.1 -62.1 13 17.0 -45.6 240 94 329.2 329.2 291.5 329.3 0.03 53 253 10462 -50.3 -64.3 18 14.0 -50.6 240 96 330.2 330.2 291.8 330.3 0.03 54 250 10540 -51.1 -63.1 23 12.0 -51.4 240 96 330.1 330.1 291.7 330.2 0.03 55 248 10592 -51.3 -61.3 29 10.0 -51.5 240 96 330.6 330.6 291.9 330.7 0.04 56 246 10645 -51.9 -62.9 26 11.0 -52.1 240 97 330.4 330.4 291.9 330.6 0.03 57 232 11021 -54.6 -65.2 26 10.6 -54.8 240 99 331.9 331.9 292.3 332.0 0.03 58 215 11504 -58.1 -68.1 27 10.0 -58.2 245 92 333.8 333.8 292.7 333.9 0.02 59 200 11960 -57.1 -74.1 10 17.0 -57.3 245 93 342.3 342.3 294.9 342.4 0.01 60 150 13790 -58.7 -84.7 2 26.0 -58.9 260 69 368.9 368.9 300.4 369.0 0.00 61 100 16290 -63.5 -87.5 2 24.0 -63.7 255 69 405.0 405.0 305.9 405.0 0.00 62 78 17796 -69.5 -88.5 5 19.0 -69.6 242 43 422.4 422.4 308.0 422.4 0.00 63 77 17873 -67.5 -88.5 4 21.0 -67.7 243 41 428.1 428.1 308.6 428.2 0.00 64 74 18113 -66.3 -88.3 3 22.0 -66.5 247 35 435.6 435.6 309.4 435.6 0.00 65 70 18450 -66.7 -88.7 3 22.0 -66.9 250 31 441.7 441.7 310.0 441.7 0.00 66 69 18537 -66.7 -88.7 3 22.0 -66.9 259 30 443.5 443.5 310.2 443.5 0.00 67 68 18625 -65.3 -88.3 3 23.0 -65.5 262 30 448.4 448.4 310.7 448.4 0.00 68 60 19387 -65.1 -90.1 2 25.0 -65.4 243 27 465.2 465.2 312.3 465.2 0.00 69 59 19489 -65.7 -90.7 2 25.0 -66.0 245 26 466.1 466.1 312.3 466.1 0.00 70 58 19594 -63.9 -89.9 2 26.0 -64.2 241 26 472.4 472.4 312.8 472.4 0.00 71 56 19809 -63.7 -89.7 2 26.0 -64.0 230 26 477.6 477.6 313.2 477.6 0.00 72 52 20261 -65.7 -90.7 2 25.0 -66.0 248 19 483.2 483.2 313.7 483.2 0.00 73 50 20500 -64.3 -90.3 2 26.0 -64.6 275 15 492.0 492.0 314.4 492.0 0.00 74 49 20624 -63.5 -89.5 2 26.0 -63.9 264 16 496.7 496.7 314.7 496.7 0.00 75 45 21145 -64.7 -90.7 2 26.0 -65.1 299 9 506.0 506.0 315.4 506.0 0.00 76 44 21283 -63.5 -90.5 1 27.0 -63.9 268 7 512.2 512.2 315.8 512.2 0.00 77 35 22679 -65.9 -90.9 2 25.0 -66.3 254 9 540.6 540.6 317.6 540.6 0.00 78 33 23038 -64.3 -91.3 1 27.0 -64.8 264 11 554.0 554.0 318.3 554.1 0.00 79 30 23620 -64.9 -91.9 1 27.0 -65.4 280 15 567.7 567.7 319.0 567.7 0.00 80 28 24041 -64.5 -91.5 1 27.0 -65.1 277 14 580.1 580.1 319.7 580.2 0.00 81 26 24491 -66.3 -91.3 2 25.0 -66.8 349 14 587.5 587.5 320.0 587.5 0.00 82 26 24491 -66.5 -91.5 2 25.0 -67.0 349 14 586.9 586.9 320.0 586.9 0.00 83 24 24978 -64.9 -91.9 1 27.0 -65.5 344 13 605.1 605.1 320.9 605.1 0.00 84 20 26090 -64.5 -92.5 1 28.0 -65.3 300 14 638.7 638.7 322.3 638.8 0.00 85 19 26403 -63.3 -91.3 1 28.0 -64.3 317 10 651.9 651.9 322.7 651.9 0.00 86 17 27083 -63.3 -91.3 1 28.0 -64.3 1 20 673.0 673.0 323.5 673.0 0.01 87 13 28740 -59.7 -89.7 1 30.0 -61.6 10 15 739.1 739.1 325.6 739.2 0.01 88 12 29238 -60.3 -90.3 1 30.0 -62.3 330 10 754.1 754.1 326.0 754.2 0.01 89 10 30390 -53.5 -87.5 1 34.0 -57.7 345 18 819.8 819.9 327.7 820.0 0.02 90 9.4 30788 -52.9 -86.9 1 34.0 -57.5 337 18 836.8 836.8 328.1 837.0 0.02 91 8.3 31587 -55.1 -87.1 1 32.0 -59.2 321 17 858.4 858.4 328.6 858.6 0.02 92 7.8 31984 -53.7 -86.7 1 33.0 -58.5 314 17 879.4 879.4 329.0 879.7 0.03 93 7.4 32322 -54.5 -87.5 1 33.0 -59.2 307 17 889.5 889.5 329.2 889.7 0.02 94 7.0 32680 -51.7 -86.7 1 35.0 -57.7 300 17 915.3 915.3 329.7 915.6 0.03 95 6.7 32965 -50.5 -86.5 1 36.0 -57.2 931.9 931.9 330.0 932.2 0.03 96 6.6 33063 -49.9 -85.9 1 36.0 -56.9 938.4 938.5 330.1 938.8 0.04 TRP 215 11504 -58.1 -68.1 27 10.0 -58.2 245 92 333.8 333.8 292.7 333.9 0.02 WND 232 11021 -54.6 -65.2 26 10.6 -54.8 240 99 331.9 331.9 292.3 332.0 0.03 Sounding variables and indices 1000-500 mb thick: 5572.00 m Freezing level: 667.00 mb = 3428.81 m = 11249.24 ft Wetbulb zero: 732.75 mb = 2672.89 m = 8769.23 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 41.55 % Est. max temperature: 23.26 C = 73.87 F Sfc-Lift cond lev (LCL): 991.14 mb = 171.52 m = 562.73 ft T: 11.95 C 700-500 lapse rate: 5.90 C/km ThetaE index: 6.14 C Layer 708.0- 700.0 mb Conv cond level (CCL): 803.67 mb = 1918.87 m = 6295.42 ft Mean mixing ratio: 8.39 g/kg Conv temperature: 26.10 C = 78.98 F Cap Strength: 4.91 C Lifted Index: 4.65 C Risk: None Lifted Index @300 mb: 9.11 C Lifted Index @700 mb: 2.57 C Showalter Index: 5.76 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 11.50 Risk: None Sweat Index: 149.60 Risk: None Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.90 J/kg Max Up Vert Vel: 9.99 m/s Conv Inhibition (B-): 56794.79 J/kg Cap Strength: 4.87 C Lift Cond Lev (LCL): 910.14 mb = 881.55 m = 2892.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 35 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 1000 98 210 14 7.0 12.1 | 117 31 -27.9 14.4 1 1000 89 205 11 4.6 10.0 | 112 33 -30.3 12.2 2 975 305 205 20 8.5 18.1 | 128 33 -26.5 20.4 3 940 610 230 23 17.6 14.8 | 134 24 -17.3 17.0 4 925 745 245 22 19.9 9.3 | 128 19 -15.0 11.5 5 907 914 245 24 21.8 10.1 | 133 18 -13.2 12.4 6 874 1219 265 25 24.9 2.2 | 114 11 -10.0 4.4 7 850 1455 265 27 26.9 2.4 | 120 9 -8.1 4.6 8 812 1829 260 37 36.4 6.4 | 190 9 1.5 8.7 9 782 2134 255 43 41.5 11.1 | 206 15 6.6 13.4 10 754 2438 245 52 47.1 22.0 | 207 27 12.2 24.2 11 726 2743 245 52 47.1 22.0 | 207 27 12.2 24.2 12 700 3041 245 55 49.8 23.2 | 210 30 14.9 25.5 13 647 3658 235 55 45.1 31.5 | 197 35 10.1 33.8 14 598 4267 235 52 42.6 29.8 | 193 33 7.6 32.1 15 553 4877 245 60 54.4 25.4 | 215 34 19.4 27.6 16 512 5486 245 64 58.0 27.0 | 218 37 23.1 29.3 17 500 5670 245 62 56.2 26.2 | 217 36 21.2 28.4 18 472 6096 245 62 56.2 26.2 | 217 36 21.2 28.4 19 400 7320 235 67 54.9 38.4 | 206 45 19.9 40.7 20 383 7620 240 69 59.8 34.5 | 214 44 24.8 36.7 21 322 8839 240 72 62.4 36.0 | 216 47 27.4 38.2 22 308 9144 240 79 68.4 39.5 | 219 54 33.5 41.7 23 300 9330 240 93 80.5 46.5 | 223 67 45.6 48.7 24 295 9449 240 93 80.5 46.5 | 223 67 45.6 48.7 25 250 10540 240 96 83.1 48.0 | 224 70 48.2 50.2 26 232 11021 240 99 85.7 49.5 | 224 73 50.8 51.7 27 223 11278 240 99 85.7 49.5 | 224 73 50.8 51.7 28 215 11504 245 92 83.4 38.9 | 230 64 48.4 41.1 29 200 11960 245 93 84.3 39.3 | 230 65 49.3 41.5 30 152 13716 260 84 82.7 14.6 | 251 51 47.8 16.8 31 150 13790 260 69 68.0 12.0 | 247 36 33.0 14.2 32 144 14021 255 65 62.8 16.8 | 236 34 27.8 19.1 33 125 14935 240 78 67.5 39.0 | 218 53 32.6 41.2 34 119 15240 245 73 66.2 30.9 | 223 45 31.2 33.1 35 102 16154 255 63 60.9 16.3 | 234 32 25.9 18.6 36 100 16290 255 69 66.6 17.9 | 238 38 31.7 20.1 37 97 16459 255 69 66.6 17.9 | 238 38 31.7 20.1 38 88 17069 260 48 47.3 8.3 | 229 16 12.3 10.6 39 80 17678 240 46 39.8 23.0 | 191 26 4.9 25.2 40 72 18288 250 31 29.1 10.6 | 156 14 -5.8 12.8 41 70 18450 250 31 29.1 10.6 | 156 14 -5.8 12.8 42 68 18593 265 30 29.9 2.6 | 134 7 -5.1 4.9 43 65 18898 235 31 25.4 17.8 | 154 22 -9.6 20.0 44 59 19507 245 26 23.6 11.0 | 139 17 -11.4 13.2 45 56 19812 230 26 19.9 16.7 | 142 24 -15.0 19.0 46 53 20117 260 21 20.7 3.6 | 112 15 -14.3 5.9 47 51 20422 235 16 13.1 9.2 | 118 25 -21.8 11.4 48 50 20500 275 15 14.9 -1.3 | 93 20 -20.0 0.9 49 48 20726 255 17 16.4 4.4 | 110 20 -18.5 6.6 50 46 21031 325 10 5.7 -8.2 | 78 30 -29.2 -5.9 51 44 21336 255 6 5.8 1.6 | 97 29 -29.2 3.8 52 41 21641 225 2 1.4 1.4 | 96 34 -33.5 3.7 53 30 23620 280 15 14.8 -2.6 | 89 20 -20.2 -0.4 54 29 23774 255 10 9.7 2.6 | 101 26 -25.3 4.8 55 28 24079 280 15 14.8 -2.6 | 89 20 -20.2 -0.4 56 26 24384 340 14 4.8 -13.2 | 70 32 -30.2 -10.9 57 25 24689 5 14 -1.2 -13.9 | 72 38 -36.2 -11.7 58 23 25298 320 12 7.7 -9.2 | 76 28 -27.2 -6.9 59 21 25908 355 10 0.9 -10.0 | 77 35 -34.1 -7.7 60 20 26090 300 14 12.1 -7.0 | 78 23 -22.8 -4.8 61 20 26213 5 10 -0.9 -10.0 | 78 37 -35.8 -7.7 62 19 26518 290 10 9.4 -3.4 | 87 26 -25.6 -1.2 63 18 26822 350 23 4.0 -22.7 | 57 37 -31.0 -20.4 64 16 27432 15 17 -4.4 -16.4 | 70 42 -39.3 -14.2 65 15 28042 20 13 -4.4 -12.2 | 76 41 -39.4 -10.0 66 14 28346 40 11 -7.1 -8.4 | 82 42 -42.0 -6.2 67 13 28651 30 17 -8.5 -14.7 | 74 45 -43.4 -12.5 68 13 28956 335 11 4.6 -10.0 | 76 31 -30.3 -7.7 69 12 29261 330 10 5.0 -8.7 | 78 31 -29.9 -6.4 70 11 29566 40 12 -7.7 -9.2 | 81 43 -42.7 -6.9 71 11 29870 320 10 6.4 -7.7 | 79 29 -28.5 -5.4 72 10 30390 345 18 4.7 -17.4 | 63 34 -30.3 -15.1 73 7 32680 300 17 14.7 -8.5 | 73 21 -20.2 -6.3 Wind Parameters Mean winds (0-6000m): 243.7 at 46.7 knts Storm direction: 273.7 at 35.0 knts Shear (0-3000m) pos: 4.6 neg: 4.8 tot: 9.3 10-3/s Storm rel Dir Shear (0-3000m): 96.3 deg Storm rel helicity (0-3000m) pos: 151.2 neg: -32.0 tot: 119.2 m^2/s^2 ave: 39.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 3.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.37 Bulk Shear: 133.12 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 ------------------------------------------------------------------------------- 500 213 19 127 30| 13.7 0.0 13.7|101.5 0.0 101.5 203.0 0.67| 18.4 12.4 1000 231 21 130 24| 10.2 0.0 10.2|106.8 -18.9 87.8 87.8 0.30| 15.7 4.8 1500 244 23 131 19| 9.1 0.0 9.1|116.0 -25.6 90.4 60.3 0.29| 13.6 3.9 2000 250 27 139 15| 6.8 3.2 10.0|136.8 -25.6 111.2 55.6 0.39| 13.4 5.3 2500 249 31 156 15| 5.5 5.1 10.5|139.8 -28.3 111.5 44.6 0.32| 13.4 4.3 3000 248 35 170 15| 4.6 4.8 9.3|151.2 -32.0 119.2 39.7 0.32| 11.8 3.7 4000 244 40 183 20| 3.4 3.8 7.2|151.2-104.5 46.7 11.7 0.17| 10.2 1.7 5000 243 43 190 22| 4.1 3.0 7.1|266.5-107.3 159.1 31.8 0.28| 9.7 2.7 6000 244 47 197 24| 3.4 2.6 6.0|277.3-115.8 161.5 26.9 0.27| 8.4 2.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251126.12.gif