UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070312.upa.cvt Date: 1200Z 3 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 3 JUL 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 1003 98 21.8 20.1 90 1.7 20.6 0 0 294.7 297.4 293.7 337.4 14.92 1 1001 107 23.0 18.0 73 5.0 19.6 320 5 296.1 298.4 292.7 333.7 13.08 2 1000 111 23.0 18.0 73 5.0 19.6 300 7 296.1 298.5 292.7 333.9 13.09 3 997 137 22.8 17.8 73 5.0 19.4 301 8 296.2 298.5 292.7 333.6 12.97 4 995 155 23.0 17.0 69 6.0 18.9 301 9 296.6 298.8 292.3 332.2 12.34 5 992 181 24.4 16.4 61 8.0 19.0 302 11 298.2 300.4 292.5 332.9 11.90 6 987 226 24.8 15.8 57 9.0 18.8 303 13 299.1 301.2 292.4 332.7 11.51 7 960 469 23.8 15.8 61 8.0 18.4 316 12 300.4 302.6 293.1 335.2 11.84 8 925 793 21.6 13.6 60 8.0 16.4 310 7 301.4 303.3 292.4 332.8 10.64 9 893 1098 19.2 13.2 68 6.0 15.3 306 9 302.0 303.9 292.7 333.7 10.74 10 850 1520 15.4 11.6 78 3.8 13.0 315 9 302.3 304.1 292.3 332.3 10.15 11 828 1742 13.2 11.0 87 2.2 11.8 304 8 302.2 304.1 292.2 331.9 10.01 12 788 2157 10.4 5.4 71 5.0 7.5 301 11 303.5 304.9 290.3 325.0 7.15 13 775 2295 9.2 5.7 79 3.5 7.2 305 14 303.7 305.1 290.6 326.0 7.43 14 771 2338 9.0 4.0 71 5.0 6.2 306 14 303.9 305.2 289.9 323.9 6.62 15 763 2424 8.6 6.4 86 2.2 7.3 309 16 304.4 305.9 291.2 328.2 7.93 16 758 2479 8.2 6.3 88 1.9 7.1 311 17 304.6 306.0 291.2 328.4 7.92 17 747 2600 7.2 5.6 90 1.6 6.3 313 19 304.7 306.2 291.1 327.8 7.66 18 742 2655 7.0 4.2 82 2.8 5.4 313 20 305.1 306.4 290.6 326.2 6.98 19 724 2857 5.6 3.6 87 2.0 4.5 306 23 305.7 307.0 290.7 326.5 6.86 20 716 2948 5.2 2.9 85 2.3 3.9 298 25 306.3 307.5 290.7 326.3 6.60 21 714 2970 5.2 1.0 74 4.2 3.0 296 25 306.5 307.6 290.0 324.1 5.77 22 713 2982 5.4 0.4 70 5.0 2.8 295 25 306.8 307.9 289.9 323.8 5.53 23 710 3017 7.8 -14.2 19 22.0 -0.8 293 26 309.9 310.2 287.3 315.7 1.79 24 701 3122 8.8 -23.2 8 32.0 -1.7 290 25 312.1 312.3 287.1 315.0 0.84 25 700 3134 8.8 -21.2 10 30.0 -1.4 290 25 312.2 312.4 287.3 315.6 1.00 26 698 3158 8.4 -14.6 18 23.0 -0.6 290 25 312.0 312.4 288.1 317.8 1.76 27 689 3264 7.8 -12.2 23 20.0 -0.4 289 25 312.5 312.9 288.6 319.6 2.17 28 684 3324 7.4 -13.6 21 21.0 -1.0 288 25 312.7 313.1 288.5 319.1 1.95 29 640 3867 3.2 -15.8 23 19.0 -3.9 285 26 314.0 314.3 288.6 319.7 1.74 30 586 4574 -1.5 -23.5 17 22.0 -8.1 278 30 316.5 316.7 288.7 319.9 0.98 31 568 4822 -2.3 -33.3 7 31.0 -9.7 272 31 318.4 318.5 288.7 319.9 0.41 32 565 4864 -2.3 -30.3 10 28.0 -9.5 271 31 318.9 319.0 289.0 320.8 0.54 33 528 5397 -6.3 -33.3 10 27.0 -12.5 270 33 320.3 320.4 289.3 321.9 0.44 34 517 5561 -7.7 -29.7 15 22.0 -13.1 270 34 320.6 320.7 289.6 322.8 0.63 35 506 5728 -8.9 -19.9 41 11.0 -12.4 270 35 321.1 321.4 290.7 326.4 1.56 36 505 5743 -9.1 -20.1 40 11.0 -12.6 270 35 321.0 321.3 290.6 326.3 1.53 37 500 5820 -9.5 -20.5 40 11.0 -12.9 270 35 321.5 321.7 290.7 326.6 1.50 38 476 6199 -12.5 -23.5 39 11.0 -15.6 264 36 322.3 322.5 290.7 326.5 1.21 39 468 6328 -13.3 -36.3 13 23.0 -17.7 263 36 322.9 322.9 290.0 324.2 0.37 40 466 6361 -13.5 -26.5 33 13.0 -16.7 262 36 323.0 323.2 290.7 326.3 0.94 41 464 6394 -13.7 -18.6 66 4.9 -15.3 262 36 323.2 323.5 291.6 329.6 1.90 42 460 6459 -14.5 -20.5 60 6.0 -16.3 261 36 323.0 323.3 291.3 328.6 1.63 43 456 6526 -14.5 -16.5 85 2.0 -15.2 261 36 323.8 324.2 292.2 331.6 2.31 44 448 6660 -15.1 -21.1 60 6.0 -16.9 259 36 324.7 325.0 291.7 330.2 1.59 45 443 6745 -15.9 -20.9 65 5.0 -17.4 258 36 324.7 325.0 291.8 330.3 1.63 46 441 6779 -16.1 -22.1 60 6.0 -17.8 258 36 324.9 325.2 291.7 330.0 1.48 47 437 6848 -16.3 -29.3 32 13.0 -19.2 257 37 325.5 325.6 291.2 328.2 0.77 48 436 6865 -16.5 -23.5 55 7.0 -18.4 257 37 325.4 325.7 291.7 330.0 1.32 49 434 6900 -16.7 -22.7 60 6.0 -18.4 257 37 325.6 325.9 291.9 330.6 1.42 50 433 6917 -16.7 -23.7 55 7.0 -18.6 256 37 325.8 326.1 291.8 330.4 1.30 51 432 6934 -16.7 -21.7 65 5.0 -18.1 256 37 326.0 326.3 292.1 331.5 1.56 52 430 6969 -16.7 -23.7 55 7.0 -18.6 256 37 326.5 326.7 292.0 331.1 1.31 53 427 7022 -16.9 -22.9 60 6.0 -18.6 255 37 326.9 327.1 292.2 331.8 1.42 54 426 7040 -16.9 -23.9 55 7.0 -18.8 255 37 327.1 327.3 292.2 331.7 1.30 55 400 7510 -20.5 -25.5 64 5.0 -21.7 250 37 328.3 328.6 292.4 332.6 1.20 56 300 9570 -36.1 -40.4 64 4.3 -36.5 250 48 334.5 334.6 293.3 335.9 0.38 57 250 10810 -42.7 -56.3 21 13.6 -43.3 250 66 342.6 342.7 295.0 342.9 0.08 58 200 12290 -50.7 -75.7 4 25.0 -51.1 250 51 352.5 352.5 297.2 352.5 0.01 59 150 14120 -58.7 -80.7 4 22.0 -58.9 275 38 368.9 368.9 300.4 369.0 0.00 60 100 16620 -65.9 -86.9 4 21.0 -66.0 310 27 400.4 400.4 305.3 400.4 0.00 61 95 16930 -67.5 -87.5 4 20.0 -67.6 305 19 403.2 403.2 305.6 403.2 0.00 62 86 17532 -65.9 -88.9 3 23.0 -66.1 309 18 418.0 418.1 307.5 418.1 0.00 63 84 17676 -62.3 -88.3 2 26.0 -62.6 321 18 428.2 428.2 308.6 428.2 0.00 64 78 18131 -64.1 -89.1 2 25.0 -64.3 340 8 433.6 433.6 309.2 433.6 0.00 65 77 18211 -62.1 -88.1 2 26.0 -62.4 332 8 439.4 439.4 309.8 439.4 0.00 66 72 18626 -61.7 -88.7 2 27.0 -62.0 6 13 448.8 448.8 310.7 448.8 0.00 67 70 18800 -62.3 -88.3 2 26.0 -62.6 110 6 451.1 451.1 311.0 451.1 0.00 68 55 20299 -61.3 -89.3 1 28.0 -61.7 64 13 485.6 485.6 313.9 485.6 0.00 69 51 20774 -56.7 -87.7 1 31.0 -57.5 64 12 507.0 507.0 315.4 507.0 0.00 70 50 20900 -57.3 -87.3 1 30.0 -58.1 110 16 508.4 508.4 315.5 508.5 0.00 71 45 21570 -53.9 -85.9 1 32.0 -55.2 107 13 532.3 532.3 317.1 532.3 0.01 72 37 22821 -55.3 -86.3 1 31.0 -56.6 97 24 559.3 559.3 318.6 559.3 0.01 73 33 23555 -52.1 -86.1 1 34.0 -54.1 74 16 586.4 586.4 320.0 586.4 0.01 74 31 23958 -53.1 -86.1 1 33.0 -55.0 91 23 594.3 594.3 320.3 594.3 0.01 75 30 24170 -51.7 -85.7 1 34.0 -53.9 70 18 603.7 603.7 320.7 603.8 0.01 76 23 25907 -49.9 -84.9 1 35.0 -53.1 105 22 656.7 656.7 322.9 656.7 0.01 77 23 25907 -49.9 -84.9 1 35.0 -53.1 105 22 656.7 656.7 322.9 656.7 0.01 78 20 26830 -46.7 -83.7 1 37.0 -51.2 85 25 693.2 693.2 324.2 693.4 0.02 79 17 27911 -46.5 -83.5 1 37.0 -51.6 76 30 726.9 726.9 325.3 727.0 0.02 80 14 29208 -44.5 -82.5 1 38.0 -51.1 77 30 775.1 775.2 326.6 775.4 0.03 81 14 29208 -44.9 -82.9 1 38.0 -51.4 77 30 773.8 773.8 326.6 774.0 0.03 82 12 30243 -43.5 -82.5 1 39.0 -51.2 98 35 813.6 813.6 327.5 814.0 0.04 83 10 31480 -40.1 -81.1 0 41.0 -50.3 90 40 869.9 869.9 328.8 870.4 0.06 84 9.9 31548 -40.3 -81.3 0 41.0 -50.5 90 40 871.6 871.6 328.8 872.2 0.05 85 9.1 32125 -37.3 -79.3 0 42.0 -49.6 89 41 904.4 904.4 329.5 905.2 0.08 86 8.5 32595 -36.9 -78.9 0 42.0 -49.8 88 41 923.8 923.8 329.9 924.8 0.09 87 7.7 33282 -33.5 -77.5 0 44.0 -49.0 86 42 963.9 964.0 330.6 965.4 0.13 88 7.0 33950 -32.9 -76.9 0 44.0 -49.3 85 43 993.0 993.1 331.1 994.9 0.16 89 6.9 34051 -32.7 -76.7 0 44.0 -49.4 998.0 998.1 331.2 999.9 0.16 TRP 95 16930 -67.5 -87.5 4 20.0 -67.6 305 19 403.2 403.2 305.6 403.2 0.00 WND 250 10810 -42.7 -56.3 21 13.6 -43.3 250 66 342.6 342.7 295.0 342.9 0.08 Sounding variables and indices 1000-500 mb thick: 5709.00 m Freezing level: 603.23 mb = 4348.10 m = 14265.25 ft Wetbulb zero: 710.65 mb = 3009.08 m = 9872.18 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 45.49 % Est. max temperature: 29.37 C = 84.86 F Sfc-Lift cond lev (LCL): 978.63 mb = 300.37 m = 985.45 ft T: 24.49 C 700-500 lapse rate: 6.81 C/km ThetaE index: 8.70 C Layer 850.0- 775.0 mb Conv cond level (CCL): 823.47 mb = 1787.67 m = 5864.99 ft Mean mixing ratio: 11.42 g/kg Conv temperature: 29.49 C = 85.08 F Cap Strength: 3.18 C Lifted Index: 0.03 C Risk: Showers probable Lifted Index @300 mb: 1.85 C Lifted Index @700 mb: 3.18 C Showalter Index: 0.62 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.10 C K Index: 6.50 Risk: None Sweat Index: 192.20 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.79 J/kg Max Up Vert Vel: 10.08 m/s Conv Inhibition (B-): 65.84 J/kg Cap Strength: 3.21 C Lift Cond Lev (LCL): 849.97 mb = 1520.25 m = 4987.65 ft Lev Free Conv (LFC): 784.97 mb = 2188.60 m = 7180.36 ft Equ Level (EL): 714.97 mb = 2959.33 m = 9708.96 ft B at Equ Level: 36.57 J/kg Max Parcel Lev (MPL): 674.97 mb = 3432.68 m = 11261.94 ft Wind level data Storm motion: 315 at 16 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 1003 98 0 0 -0.0 -0.0 | 135 16 -11.4 11.4 1 1000 111 300 7 6.1 -3.5 | 146 10 -5.4 7.9 2 978 305 305 17 13.9 -9.8 | 236 3 2.5 1.7 3 945 610 325 8 4.6 -6.6 | 125 8 -6.8 4.9 4 925 793 310 7 5.4 -4.5 | 139 9 -6.1 6.9 5 912 914 300 8 6.9 -4.0 | 149 9 -4.5 7.4 6 880 1219 310 9 6.9 -5.8 | 141 7 -4.5 5.6 7 850 1520 315 9 6.4 -6.4 | 135 7 -5.1 5.1 8 819 1829 300 8 6.9 -4.0 | 149 9 -4.5 7.4 9 790 2134 300 11 9.5 -5.5 | 162 6 -1.9 5.9 10 761 2438 310 16 12.3 -10.3 | 216 1 0.8 1.1 11 734 2743 315 22 15.6 -15.6 | 315 6 4.1 -4.1 12 707 3048 290 26 24.4 -8.9 | 259 13 13.0 2.5 13 700 3134 290 25 23.5 -8.6 | 257 12 12.1 2.9 14 656 3658 285 24 23.2 -6.2 | 246 13 11.7 5.2 15 607 4267 285 30 29.0 -7.8 | 258 18 17.5 3.7 16 563 4877 270 31 31.0 -0.0 | 240 23 19.6 11.4 17 500 5820 270 35 35.0 -0.0 | 244 26 23.6 11.4 18 482 6096 265 36 35.9 3.1 | 239 28 24.4 14.6 19 400 7510 250 37 34.8 12.7 | 224 34 23.3 24.1 20 394 7620 250 37 34.8 12.7 | 224 34 23.3 24.1 21 347 8534 245 47 42.6 19.9 | 225 44 31.2 31.3 22 318 9144 260 43 42.3 7.5 | 239 36 30.9 18.9 23 300 9570 250 48 45.1 16.4 | 230 44 33.7 27.8 24 250 10810 250 66 62.0 22.6 | 236 61 50.6 34.0 25 244 10973 250 66 62.0 22.6 | 236 61 50.6 34.0 26 223 11582 265 60 59.8 5.2 | 251 51 48.3 16.6 27 200 12290 250 51 47.9 17.4 | 232 47 36.5 28.9 28 194 12497 250 51 47.9 17.4 | 232 47 36.5 28.9 29 160 13716 275 50 49.8 -4.4 | 260 39 38.4 7.1 30 150 14120 275 38 37.9 -3.3 | 253 28 26.4 8.1 31 138 14630 270 39 39.0 -0.0 | 247 30 27.6 11.4 32 125 15240 265 34 33.9 3.0 | 237 27 22.4 14.4 33 113 15850 285 38 36.7 -9.8 | 266 25 25.3 1.6 34 108 16154 275 28 27.9 -2.4 | 241 19 16.5 9.0 35 100 16620 310 27 20.7 -17.4 | 303 11 9.2 -5.9 36 98 16764 310 27 20.7 -17.4 | 303 11 9.2 -5.9 37 95 16930 305 19 15.6 -10.9 | 263 4 4.1 0.5 38 88 17374 295 19 17.2 -8.0 | 240 7 5.8 3.4 39 84 17678 320 18 11.6 -13.8 | 357 2 0.1 -2.4 40 80 17983 355 10 0.9 -10.0 | 98 11 -10.6 1.5 41 76 18288 325 7 4.0 -5.7 | 127 9 -7.4 5.7 42 72 18593 345 15 3.9 -14.5 | 68 8 -7.6 -3.1 43 70 18800 110 6 -5.6 2.1 | 128 22 -17.1 13.5 44 69 18898 45 10 -7.1 -7.1 | 103 19 -18.5 4.3 45 66 19202 60 2 -1.7 -1.0 | 128 17 -13.2 10.4 46 60 19812 25 13 -5.5 -11.8 | 89 17 -16.9 -0.4 47 57 20117 45 17 -12.0 -12.0 | 89 23 -23.5 -0.6 48 54 20422 75 11 -10.6 -2.8 | 111 24 -22.1 8.6 49 51 20726 45 10 -7.1 -7.1 | 103 19 -18.5 4.3 50 50 20900 110 16 -15.0 5.5 | 123 31 -26.5 16.9 51 49 21031 100 20 -19.7 3.5 | 116 35 -31.1 14.9 52 47 21336 95 11 -11.0 1.0 | 119 26 -22.4 12.4 53 45 21641 110 13 -12.2 4.4 | 124 28 -23.6 15.9 54 42 21946 65 14 -12.7 -5.9 | 103 25 -24.1 5.5 55 39 22555 75 21 -20.3 -5.4 | 101 32 -31.7 6.0 56 37 22860 100 24 -23.6 4.2 | 114 38 -35.1 15.6 57 35 23165 120 15 -13.0 7.5 | 128 31 -24.4 18.9 58 33 23470 70 12 -11.3 -4.1 | 108 24 -22.7 7.3 59 32 23774 85 25 -24.9 -2.2 | 104 37 -36.3 9.2 60 30 24079 95 22 -21.9 1.9 | 112 36 -33.3 13.3 61 30 24170 70 18 -16.9 -6.2 | 101 29 -28.3 5.3 62 29 24384 90 20 -20.0 0.0 | 110 33 -31.4 11.4 63 28 24689 95 24 -23.9 2.1 | 111 38 -35.3 13.5 64 26 24994 75 21 -20.3 -5.4 | 101 32 -31.7 6.0 65 25 25298 100 27 -26.6 4.7 | 113 41 -38.0 16.1 66 24 25603 90 25 -25.0 0.0 | 107 38 -36.4 11.4 67 23 25908 105 22 -21.3 5.7 | 118 37 -32.7 17.1 68 22 26213 95 23 -22.9 2.0 | 111 37 -34.3 13.4 69 20 26822 70 27 -25.4 -9.2 | 93 37 -36.8 2.2 70 20 26830 85 25 -24.9 -2.2 | 104 37 -36.3 9.2 71 19 27127 85 24 -23.9 -2.1 | 105 37 -35.3 9.3 72 18 27432 70 30 -28.2 -10.3 | 92 40 -39.6 1.2 73 15 28956 90 31 -31.0 0.0 | 105 44 -42.4 11.4 74 14 29261 75 30 -29.0 -7.8 | 95 41 -40.4 3.7 75 13 29870 100 34 -33.5 5.9 | 111 48 -44.9 17.3 76 10 31480 90 40 -40.0 0.0 | 103 53 -51.4 11.4 77 7 33950 85 43 -42.8 -3.7 | 98 55 -54.3 7.7 Wind Parameters Mean winds (0-6000m): 285.0 at 21.5 knts Storm direction: 315.0 at 16.2 knts Shear (0-3000m) pos: 1.6 neg: 3.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 122.7 deg Storm rel helicity (0-3000m) pos: 33.8 neg: -26.1 tot: 7.7 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.87 Bulk Shear: 17.70 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 ------------------------------------------------------------------------------- 500 308 12 153 5| 0.0 8.6 8.6| 14.8 -3.7 11.1 22.3 0.17| 27.9 4.8 1000 308 10 145 6| 0.0 4.4 4.4| 22.5 -4.4 18.1 18.1 0.24| 16.4 4.0 1500 309 10 143 7| 0.3 3.0 3.2| 23.5 -6.7 16.8 11.2 0.21| 11.6 2.4 2000 308 9 145 7| 0.2 2.7 2.9| 29.1 -6.7 22.4 11.2 0.26| 9.8 2.5 2500 308 10 148 6| 1.9 2.2 4.1| 33.0 -6.7 26.2 10.5 0.33| 9.7 3.2 3000 306 13 162 4| 1.6 3.3 5.0| 33.8 -26.1 7.7 2.6 0.14| 10.4 1.4 4000 298 16 213 5| 1.2 2.9 4.2| 42.2 -33.8 8.4 2.1 0.12| 8.7 1.0 5000 291 19 233 8| 1.0 3.0 3.9| 46.9 -66.8 -19.9 -4.0 0.04| 8.0 0.3 6000 285 22 238 11| 0.8 2.9 3.7| 55.8 -83.6 -27.8 -4.6 0.02| 7.2 0.2 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250703.12.gif