UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061312.upa.cvt Date: 1200Z 13 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 13 JUN 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 1007 98 21.2 18.4 84 2.8 19.3 160 2 293.8 296.1 292.2 331.8 13.34 1 1000 150 21.6 17.7 78 3.9 19.0 220 3 294.8 297.1 292.2 331.5 12.84 2 993 211 22.0 17.4 75 4.6 18.9 220 4 295.7 298.0 292.3 332.2 12.69 3 984 290 23.6 16.6 65 7.0 18.9 220 6 298.1 300.3 292.6 333.5 12.16 4 975 371 24.2 15.2 57 9.0 18.2 229 6 299.5 301.6 292.3 332.3 11.20 5 966 452 24.8 14.8 54 10.0 18.2 239 6 300.9 302.9 292.6 333.3 11.02 6 949 608 24.8 12.8 47 12.0 17.0 260 5 302.4 304.3 292.2 331.6 9.83 7 925 832 23.2 12.2 50 11.0 16.1 210 5 303.0 304.8 292.2 331.9 9.69 8 859 1473 18.0 10.0 59 8.0 13.0 87 1 304.1 305.8 292.0 331.0 9.01 9 850 1563 17.6 6.6 48 11.0 11.1 115 1 304.6 305.9 290.6 326.3 7.21 10 842 1644 17.2 4.2 42 13.0 9.8 133 2 305.0 306.1 289.9 323.6 6.15 11 830 1766 16.0 6.0 51 10.0 10.2 160 4 305.0 306.3 290.7 326.4 7.08 12 822 1848 15.8 1.8 39 14.0 8.2 174 5 305.6 306.6 289.3 321.8 5.30 13 815 1921 15.6 -4.4 25 20.0 5.9 171 6 306.1 306.8 287.6 316.7 3.38 14 781 2280 13.0 -4.0 30 17.0 4.7 160 9 307.1 307.8 288.2 318.5 3.64 15 763 2475 11.0 1.0 50 10.0 5.6 161 11 307.0 308.0 289.8 323.6 5.40 16 749 2630 10.0 -4.0 37 14.0 3.2 166 10 307.5 308.3 288.5 319.4 3.79 17 700 3187 4.8 -4.2 52 9.0 0.5 165 9 307.8 308.5 288.8 320.3 4.00 18 677 3458 2.0 -5.0 60 7.0 -1.2 185 9 307.6 308.4 288.6 319.8 3.89 19 673 3506 1.8 -7.2 51 9.0 -2.1 192 9 307.9 308.5 288.2 318.3 3.31 20 666 3590 2.2 -19.8 18 22.0 -5.0 204 8 309.3 309.5 286.5 313.2 1.19 21 662 3639 3.0 -30.0 7 33.0 -5.7 211 7 310.7 310.8 286.2 312.4 0.48 22 641 3899 1.6 -36.4 4 38.0 -7.1 249 4 312.0 312.1 286.4 313.0 0.26 23 628 4063 0.4 -26.6 11 27.0 -7.1 259 6 312.5 312.6 287.1 314.9 0.69 24 619 4179 0.2 -40.8 3 41.0 -8.2 257 9 313.5 313.6 286.8 314.2 0.17 25 608 4322 -1.1 -41.1 3 40.0 -9.1 254 12 313.7 313.7 286.8 314.3 0.17 26 606 4349 -0.5 -37.5 4 37.0 -8.6 253 13 314.6 314.7 287.3 315.6 0.25 27 586 4616 -2.1 -25.1 15 23.0 -8.7 247 15 315.8 316.0 288.3 318.7 0.85 28 580 4698 -2.7 -16.7 33 14.0 -7.7 245 15 316.0 316.4 289.3 322.0 1.78 29 575 4766 -3.1 -16.1 36 13.0 -7.8 243 16 316.4 316.7 289.6 322.7 1.89 30 571 4822 -3.7 -15.7 39 12.0 -8.0 242 16 316.3 316.7 289.6 322.8 1.97 31 563 4933 -4.5 -19.5 30 15.0 -9.4 240 18 316.6 316.9 289.2 321.5 1.45 32 560 4975 -3.7 -31.7 9 28.0 -10.5 240 18 318.1 318.1 288.6 319.8 0.48 33 559 4989 -3.5 -33.5 8 30.0 -10.5 240 18 318.4 318.5 288.7 319.9 0.40 34 556 5032 -3.7 -32.7 8 29.0 -10.6 240 19 318.7 318.8 288.8 320.3 0.44 35 553 5074 -3.9 -22.9 21 19.0 -9.6 240 20 319.0 319.2 289.6 322.7 1.10 36 540 5261 -5.7 -21.7 27 16.0 -10.6 240 22 319.0 319.2 289.8 323.3 1.25 37 529 5422 -7.1 -18.1 41 11.0 -10.8 240 25 319.2 319.5 290.3 325.1 1.74 38 522 5526 -7.7 -22.7 29 15.0 -12.1 241 26 319.7 319.9 289.9 323.8 1.18 39 520 5556 -7.7 -31.7 13 24.0 -13.3 242 26 320.0 320.1 289.3 321.9 0.52 40 518 5586 -7.7 -34.7 9 27.0 -13.5 244 25 320.4 320.5 289.3 321.8 0.39 41 514 5646 -7.9 -23.9 26 16.0 -12.5 246 25 320.9 321.1 290.2 324.6 1.08 42 513 5661 -8.1 -18.1 44 10.0 -11.5 247 25 320.8 321.2 290.8 326.9 1.79 43 507 5753 -8.9 -14.9 62 6.0 -11.1 251 24 320.9 321.4 291.4 328.9 2.37 44 503 5814 -9.5 -14.5 67 5.0 -11.3 253 23 320.9 321.4 291.5 329.2 2.47 45 500 5860 -9.7 -15.7 62 6.0 -11.8 255 23 321.2 321.7 291.4 328.8 2.25 46 499 5875 -9.9 -17.9 52 8.0 -12.6 256 23 321.2 321.5 291.0 327.5 1.87 47 497 5906 -10.1 -20.1 44 10.0 -13.2 257 24 321.3 321.6 290.7 326.6 1.56 48 495 5938 -10.1 -27.1 23 17.0 -14.5 258 24 321.6 321.8 290.2 324.6 0.84 49 494 5953 -10.1 -27.1 23 17.0 -14.5 259 24 321.8 322.0 290.2 324.8 0.84 50 482 6143 -11.7 -31.7 17 20.0 -16.1 265 27 322.1 322.2 290.0 324.1 0.56 51 466 6401 -13.7 -28.7 27 15.0 -17.2 268 30 322.8 322.9 290.4 325.5 0.77 52 465 6417 -13.7 -32.7 18 19.0 -17.7 268 30 323.0 323.1 290.2 324.9 0.53 53 463 6450 -13.9 -32.9 18 19.0 -17.9 269 31 323.1 323.2 290.3 325.0 0.52 54 400 7550 -19.7 -22.6 78 2.9 -20.5 280 37 329.4 329.7 293.0 334.9 1.56 55 300 9630 -34.3 -38.4 66 4.1 -34.8 290 44 337.0 337.1 294.0 338.8 0.46 56 250 10870 -44.1 -52.1 41 8.0 -44.5 280 56 340.5 340.5 294.6 341.0 0.12 57 200 12330 -57.7 -58.6 89 0.9 -57.7 290 65 341.4 341.4 294.7 341.7 0.07 58 150 14090 -71.1 -74.0 65 2.9 -71.1 290 69 347.6 347.6 296.1 347.7 0.01 59 143 14374 -70.4 -75.5 47 5.2 -70.4 290 79 353.7 353.7 297.4 353.7 0.01 60 100 16530 -64.9 -86.9 3 22.0 -65.1 290 25 402.3 402.3 305.5 402.3 0.00 61 85 17526 -62.3 -87.3 2 25.0 -62.6 308 25 426.7 426.7 308.5 426.7 0.00 62 70 18720 -63.5 -87.5 2 24.0 -63.8 240 8 448.5 448.5 310.7 448.5 0.00 63 68 18898 -63.9 -87.9 2 24.0 -64.1 359 10 451.4 451.4 311.0 451.4 0.00 64 67 18989 -61.9 -87.9 2 26.0 -62.3 335 11 457.7 457.7 311.5 457.7 0.00 65 62 19467 -62.9 -87.9 2 25.0 -63.2 280 10 465.7 465.7 312.3 465.7 0.00 66 61 19567 -61.1 -88.1 2 27.0 -61.5 284 10 471.9 471.9 312.8 471.9 0.00 67 59 19774 -61.5 -87.5 2 26.0 -61.9 298 12 475.5 475.5 313.1 475.5 0.00 68 56 20099 -58.9 -86.9 2 28.0 -59.5 286 12 488.6 488.6 314.1 488.6 0.00 69 50 20810 -58.5 -86.5 2 28.0 -59.2 45 12 505.6 505.6 315.4 505.6 0.00 70 44 21612 -59.1 -87.1 1 28.0 -59.8 83 9 523.0 523.0 316.5 523.0 0.00 71 37 22708 -55.1 -85.1 1 30.0 -56.4 71 15 559.8 559.8 318.6 559.9 0.01 72 36 22883 -55.3 -85.3 1 30.0 -56.6 60 15 563.7 563.7 318.8 563.8 0.01 73 30 24050 -53.9 -84.9 1 31.0 -55.6 50 9 597.7 597.7 320.5 597.8 0.01 74 28 24495 -53.7 -84.7 1 31.0 -55.6 58 10 610.2 610.2 321.0 610.2 0.01 75 25 25231 -49.9 -82.9 1 33.0 -52.9 86 14 641.2 641.2 322.3 641.3 0.02 76 23 25776 -51.7 -83.7 1 32.0 -54.4 83 14 651.4 651.4 322.7 651.5 0.02 77 20 26690 -48.9 -82.9 1 34.0 -52.7 70 14 686.5 686.5 324.0 686.7 0.02 78 18 27385 -46.5 -81.5 1 35.0 -51.4 70 16 715.1 715.1 324.9 715.3 0.03 79 17 27764 -46.9 -81.9 1 35.0 -51.8 72 31 725.6 725.6 325.3 725.8 0.03 80 15 28602 -42.5 -80.5 1 38.0 -49.7 103 31 766.6 766.7 326.4 767.0 0.04 81 14 29069 -41.7 -79.7 1 38.0 -49.6 113 31 784.6 784.7 326.8 785.1 0.05 82 12 30110 -43.3 -80.3 1 37.0 -51.1 96 33 814.3 814.4 327.6 814.8 0.05 83 11 30698 -40.9 -79.9 1 39.0 -50.3 97 28 843.6 843.6 328.2 844.2 0.06 84 10 31350 -38.5 -79.5 1 41.0 -49.6 100 23 875.8 875.9 329.0 876.6 0.07 85 9.2 31924 -37.9 -78.9 1 41.0 -49.8 96 22 899.3 899.3 329.4 900.2 0.09 86 7.8 33072 -33.9 -76.9 1 43.0 -49.1 90 20 958.8 958.8 330.5 960.4 0.14 87 7.0 33830 -34.3 -77.3 0 43.0 -49.8 85 19 987.3 987.3 331.0 989.0 0.15 88 6.6 34242 -34.1 -77.1 0 43.0 -50.1 1004.8 1004.9 331.3 1006.8 0.16 TRP 150 14090 -71.1 -74.0 65 2.9 -71.1 290 69 347.6 347.6 296.1 347.7 0.01 WND 143 14374 -70.4 -75.5 47 5.2 -70.4 290 79 353.7 353.7 297.4 353.7 0.01 Sounding variables and indices 1000-500 mb thick: 5710.00 m Freezing level: 617.31 mb = 4201.21 m = 13783.32 ft Wetbulb zero: 692.84 mb = 3270.32 m = 10729.27 ft Precipitable water: 1.10 inches Sfc-500 mean rel hum: 36.99 % Est. max temperature: 31.65 C = 88.97 F Sfc-Lift cond lev (LCL): 966.52 mb = 447.34 m = 1467.63 ft T: 24.76 C 700-500 lapse rate: 5.42 C/km ThetaE index: 9.68 C Layer 822.0- 781.0 mb Conv cond level (CCL): 760.81 mb = 2499.40 m = 8200.03 ft Mean mixing ratio: 10.79 g/kg Conv temperature: 34.55 C = 94.19 F Cap Strength: 4.27 C Lifted Index: 0.48 C Risk: Showers probable Lifted Index @300 mb: 4.59 C Lifted Index @700 mb: -0.32 C Showalter Index: 3.35 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 16.30 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 104.20 Risk: None Energy Index: 0.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.70 J/kg Max Up Vert Vel: 10.27 m/s Conv Inhibition (B-): 243.12 J/kg Cap Strength: 4.28 C Lift Cond Lev (LCL): 835.30 mb = 1711.67 m = 5615.64 ft Lev Free Conv (LFC): 700.30 mb = 3183.47 m = 10444.33 ft Equ Level (EL): 650.30 mb = 3782.55 m = 12409.79 ft B at Equ Level: 51.56 J/kg Max Parcel Lev (MPL): 440.30 mb = 6827.90 m = 22400.99 ft Wind level data Storm motion: 257 at 8 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 1007 98 160 2 -0.7 1.9 | 91 9 -8.5 0.1 1 1000 150 220 3 1.9 2.3 | 95 6 -5.9 0.5 2 982 305 220 6 3.9 4.6 | 125 5 -4.0 2.8 3 949 610 260 5 4.9 0.9 | 73 3 -2.9 -0.9 4 925 832 210 5 2.5 4.3 | 116 6 -5.3 2.6 5 916 914 220 4 2.6 3.1 | 104 5 -5.3 1.3 6 884 1219 10 2 -0.3 -2.0 | 65 9 -8.2 -3.7 7 850 1563 115 1 -0.9 0.4 | 81 9 -8.7 -1.3 8 823 1829 175 5 -0.4 5.0 | 111 9 -8.3 3.2 9 794 2134 160 7 -2.4 6.6 | 115 11 -10.2 4.8 10 766 2438 160 11 -3.8 10.3 | 126 14 -11.6 8.6 11 738 2743 170 10 -1.7 9.8 | 130 13 -9.6 8.1 12 700 3187 165 9 -2.3 8.7 | 124 12 -10.2 6.9 13 686 3353 170 10 -1.7 9.8 | 130 13 -9.6 8.1 14 660 3658 215 7 4.0 5.7 | 136 6 -3.8 4.0 15 635 3962 260 3 3.0 0.5 | 76 5 -4.9 -1.2 16 611 4267 255 12 11.6 3.1 | 250 4 3.7 1.3 17 566 4877 240 17 14.7 8.5 | 226 10 6.9 6.7 18 524 5486 240 26 22.5 13.0 | 233 18 14.7 11.2 19 500 5860 255 23 22.2 6.0 | 254 15 14.4 4.2 20 485 6096 265 26 25.9 2.3 | 268 18 18.1 0.5 21 430 7010 275 39 38.9 -3.4 | 279 31 31.0 -5.2 22 413 7315 285 39 37.7 -10.1 | 292 32 29.8 -11.9 23 400 7550 280 37 36.4 -6.4 | 286 30 28.6 -8.2 24 396 7620 280 37 36.4 -6.4 | 286 30 28.6 -8.2 25 364 8230 265 41 40.8 3.6 | 267 33 33.0 1.8 26 321 9144 285 41 39.6 -10.6 | 291 34 31.8 -12.4 27 308 9449 295 45 40.8 -19.0 | 302 39 32.9 -20.8 28 300 9630 290 44 41.3 -15.0 | 297 37 33.5 -16.8 29 282 10058 280 44 43.3 -7.6 | 285 37 35.5 -9.4 30 250 10870 280 56 55.1 -9.7 | 284 49 47.3 -11.5 31 200 12330 290 65 61.1 -22.2 | 294 58 53.2 -24.0 32 159 13716 295 77 69.8 -32.5 | 299 71 61.9 -34.3 33 150 14090 290 69 64.8 -23.6 | 294 62 57.0 -25.4 34 144 14326 290 69 64.8 -23.6 | 294 62 57.0 -25.4 35 143 14374 290 79 74.2 -27.0 | 293 72 66.4 -28.8 36 137 14630 290 79 74.2 -27.0 | 293 72 66.4 -28.8 37 130 14935 305 64 52.4 -36.7 | 311 59 44.6 -38.5 38 124 15240 305 47 38.5 -27.0 | 313 42 30.7 -28.7 39 118 15545 300 33 28.6 -16.5 | 311 28 20.7 -18.3 40 112 15850 270 34 34.0 -0.0 | 274 26 26.2 -1.8 41 101 16459 305 26 21.3 -14.9 | 321 21 13.5 -16.7 42 100 16530 290 25 23.5 -8.6 | 303 19 15.6 -10.3 43 96 16764 290 25 23.5 -8.6 | 303 19 15.6 -10.3 44 92 17069 290 30 28.2 -10.3 | 301 24 20.3 -12.0 45 79 17983 325 20 11.5 -16.4 | 349 19 3.6 -18.1 46 75 18288 315 20 14.1 -14.1 | 338 17 6.3 -15.9 47 70 18720 240 8 6.9 4.0 | 158 2 -0.9 2.2 48 68 18898 360 10 -0.0 -10.0 | 34 14 -7.8 -11.8 49 65 19202 280 14 13.8 -2.4 | 305 7 5.9 -4.2 50 62 19507 280 10 9.8 -1.7 | 330 4 2.0 -3.5 51 59 19812 300 12 10.4 -6.0 | 342 8 2.5 -7.8 52 56 20117 285 12 11.6 -3.1 | 322 6 3.7 -4.9 53 53 20422 5 11 -1.0 -11.0 | 35 15 -8.8 -12.7 54 51 20726 40 4 -2.6 -3.1 | 65 11 -10.4 -4.8 55 50 20810 45 12 -8.5 -8.5 | 58 19 -16.3 -10.3 56 48 21031 20 10 -3.4 -9.4 | 45 16 -11.3 -11.2 57 46 21336 60 7 -6.1 -3.5 | 69 15 -13.9 -5.3 58 42 21946 110 11 -10.3 3.8 | 96 18 -18.2 2.0 59 40 22250 35 17 -9.8 -13.9 | 48 24 -17.6 -15.7 60 38 22555 85 14 -13.9 -1.2 | 82 22 -21.8 -3.0 61 36 22860 60 15 -13.0 -7.5 | 66 23 -20.8 -9.3 62 34 23165 60 14 -12.1 -7.0 | 66 22 -20.0 -8.8 63 33 23470 60 23 -19.9 -11.5 | 64 31 -27.8 -13.3 64 31 23774 75 15 -14.5 -3.9 | 76 23 -22.3 -5.6 65 30 24050 50 9 -6.9 -5.8 | 63 17 -14.7 -7.6 66 30 24079 120 10 -8.7 5.0 | 101 17 -16.5 3.2 67 28 24384 45 8 -5.7 -5.7 | 61 15 -13.5 -7.4 68 27 24689 80 13 -12.8 -2.3 | 79 21 -20.6 -4.0 69 26 24994 70 15 -14.1 -5.1 | 73 23 -21.9 -6.9 70 25 25298 90 14 -14.0 0.0 | 85 22 -21.8 -1.8 71 20 26690 70 14 -13.2 -4.8 | 73 22 -21.0 -6.6 72 20 26822 95 18 -17.9 1.6 | 90 26 -25.8 -0.2 73 19 27127 70 13 -12.2 -4.4 | 73 21 -20.1 -6.2 74 18 27432 70 16 -15.0 -5.5 | 72 24 -22.9 -7.2 75 17 27737 70 31 -29.1 -10.6 | 72 39 -37.0 -12.4 76 14 28956 115 31 -28.1 13.1 | 108 38 -35.9 11.3 77 12 30175 95 33 -32.9 2.9 | 92 41 -40.7 1.1 78 10 31350 100 23 -22.7 4.0 | 94 31 -30.5 2.2 79 7 33830 85 19 -18.9 -1.7 | 83 27 -26.8 -3.4 Wind Parameters Mean winds (0-6000m): 227.3 at 10.7 knts Storm direction: 257.3 at 8.0 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 34.7 deg Storm rel helicity (0-3000m) pos: 40.9 neg: -12.4 tot: 28.5 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 11.51 Bulk Shear: 4.58 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 ------------------------------------------------------------------------------- 500 230 5 108 4| 5.9 0.0 5.9| 5.1 -2.5 2.7 5.4 0.06| 9.4 0.6 1000 233 5 104 4| 2.4 0.0 2.4| 7.5 -9.4 -1.9 -1.9 -0.11| 9.9 -1.1 1500 232 4 95 5| 0.4 0.0 0.4| 17.2 -9.4 7.8 5.2 0.08| 8.5 0.7 2000 208 4 106 6| 1.2 0.0 1.2| 29.8 -9.4 20.4 10.2 0.22| 8.1 1.8 2500 185 5 114 8| 1.7 0.0 1.7| 40.0 -9.4 30.6 12.2 0.28| 7.5 2.1 3000 179 6 117 9| 1.2 0.0 1.2| 40.9 -12.4 28.5 9.5 0.25| 6.5 1.6 4000 184 6 121 9| 1.0 0.0 1.0| 48.9 -18.3 30.5 7.6 0.13| 7.1 0.9 5000 210 8 143 6| 0.8 1.4 2.2| 50.8 -23.1 27.7 5.5 0.13| 7.3 1.0 6000 227 11 180 6| 1.5 1.2 2.7|100.0 -23.1 76.9 12.8 0.24| 7.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250613.12.gif