UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061100.upa.cvt Date: 0000Z 11 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 11 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 1003 98 28.4 13.4 40 15.0 18.7 235 7 301.3 303.1 291.7 329.9 9.67 1 1000 113 28.0 12.0 37 16.0 17.8 265 7 301.1 302.8 290.9 327.3 8.84 2 997 140 27.8 10.8 35 17.0 17.1 261 8 301.2 302.7 290.4 325.4 8.18 3 925 796 21.6 10.6 50 11.0 14.7 220 13 301.4 303.0 290.9 327.2 8.70 4 865 1372 16.2 9.2 63 7.0 11.9 243 13 301.6 303.2 290.7 326.7 8.47 5 850 1521 14.8 7.8 63 7.0 10.6 245 14 301.6 303.1 290.2 324.9 7.83 6 847 1551 14.6 7.6 63 7.0 10.4 238 13 301.7 303.2 290.2 324.8 7.75 7 770 2347 7.2 5.6 90 1.6 6.3 258 18 302.1 303.5 290.0 324.2 7.43 8 746 2607 5.0 4.1 94 0.9 4.5 265 22 302.5 303.7 289.7 323.1 6.90 9 741 2662 4.8 2.9 87 1.9 3.8 267 23 302.8 304.0 289.3 322.0 6.37 10 718 2919 2.6 1.9 95 0.7 2.2 278 27 303.2 304.3 289.2 321.6 6.12 11 713 2975 2.2 1.2 93 1.0 1.7 281 29 303.3 304.4 289.0 321.0 5.86 12 704 3078 2.0 -2.5 72 4.5 -0.2 285 30 304.2 305.0 288.1 318.0 4.52 13 700 3124 1.8 -3.0 70 4.8 -0.4 285 30 304.5 305.3 288.1 317.9 4.38 14 698 3147 1.8 -3.1 70 4.9 -0.5 285 30 304.7 305.5 288.1 318.1 4.36 15 683 3322 0.6 -3.2 76 3.8 -1.2 285 29 305.3 306.1 288.3 318.9 4.42 16 676 3404 0.2 -5.8 64 6.0 -2.4 283 29 305.7 306.4 287.8 317.1 3.67 17 669 3487 -0.3 -2.6 84 2.3 -1.4 279 29 306.1 307.0 288.9 320.6 4.72 18 663 3559 -0.3 -2.1 88 1.8 -1.2 275 30 306.9 307.8 289.4 322.1 4.95 19 662 3571 -0.5 -2.4 87 1.9 -1.4 274 30 306.8 307.7 289.3 321.7 4.85 20 661 3583 -0.5 -3.1 83 2.6 -1.7 274 30 306.9 307.8 289.1 321.1 4.61 21 658 3620 1.0 -11.0 40 12.0 -3.8 272 30 309.0 309.5 287.8 317.0 2.51 22 656 3644 1.6 -12.4 34 14.0 -3.8 271 30 310.0 310.4 287.8 317.2 2.25 23 647 3756 1.6 -18.4 21 20.0 -5.2 270 30 311.2 311.4 287.3 315.8 1.38 24 637 3881 1.4 -21.6 16 23.0 -5.9 270 29 312.3 312.6 287.4 315.9 1.07 25 630 3970 0.8 -25.2 12 26.0 -6.7 270 29 312.7 312.8 287.2 315.3 0.78 26 616 4150 -0.3 -18.3 24 18.0 -6.4 270 28 313.4 313.7 288.2 318.3 1.47 27 614 4176 0.0 -24.0 14 24.0 -7.2 270 28 314.0 314.2 287.8 317.1 0.89 28 606 4280 0.0 -27.0 11 27.0 -7.5 270 28 315.2 315.4 287.9 317.6 0.69 29 569 4781 -3.9 -28.9 12 25.0 -10.3 256 28 316.4 316.5 288.3 318.5 0.62 30 549 5062 -5.5 -33.5 9 28.0 -11.8 266 28 317.7 317.8 288.5 319.2 0.41 31 547 5091 -5.3 -36.3 7 31.0 -11.9 267 28 318.3 318.4 288.6 319.4 0.31 32 500 5790 -9.5 -42.5 5 33.0 -15.2 255 40 321.5 321.5 289.4 322.1 0.18 33 492 5914 -10.3 -46.3 3 36.0 -15.9 255 42 322.0 322.0 289.5 322.4 0.12 34 453 6547 -13.7 -45.7 5 32.0 -18.5 259 45 325.4 325.4 290.6 325.9 0.14 35 400 7480 -20.7 -44.7 10 24.0 -23.9 250 51 328.1 328.1 291.4 328.8 0.18 36 357 8309 -26.9 -45.9 15 19.0 -29.0 248 55 330.6 330.6 292.0 331.3 0.18 37 354 8369 -26.9 -48.9 11 22.0 -29.1 248 55 331.4 331.4 292.2 331.9 0.13 38 342 8617 -28.3 -53.3 7 25.0 -30.4 247 56 332.8 332.8 292.6 333.1 0.08 39 302 9494 -35.5 -56.5 10 21.0 -36.8 238 60 334.7 334.7 293.0 334.9 0.06 40 300 9540 -35.7 -59.7 7 24.0 -37.0 235 63 335.1 335.1 293.1 335.2 0.04 41 294 9681 -36.7 -62.7 5 26.0 -37.9 232 67 335.6 335.6 293.2 335.7 0.03 42 288 9824 -37.7 -61.7 6 24.0 -38.8 230 70 336.1 336.1 293.4 336.3 0.03 43 286 9872 -38.1 -58.1 10 20.0 -39.1 229 71 336.2 336.2 293.4 336.4 0.05 44 285 9897 -38.3 -52.3 22 14.0 -39.2 229 72 336.3 336.3 293.5 336.7 0.11 45 281 9994 -39.1 -46.1 47 7.0 -39.6 227 74 336.5 336.5 293.7 337.4 0.22 46 280 10019 -39.3 -46.3 47 7.0 -39.8 226 75 336.6 336.6 293.7 337.4 0.21 47 279 10043 -39.5 -46.5 47 7.0 -40.1 226 76 336.6 336.6 293.7 337.4 0.21 48 277 10093 -39.7 -44.4 61 4.7 -40.1 225 77 337.0 337.1 293.9 338.1 0.27 49 275 10143 -39.9 -43.8 66 3.9 -40.2 224 78 337.4 337.5 294.0 338.5 0.29 50 273 10193 -40.3 -44.0 68 3.7 -40.6 223 79 337.5 337.6 294.0 338.7 0.28 51 272 10218 -40.5 -45.5 59 5.0 -40.9 223 80 337.6 337.7 294.0 338.6 0.24 52 271 10243 -40.3 -48.3 42 8.0 -40.9 222 81 338.3 338.3 294.1 339.0 0.18 53 269 10294 -40.7 -46.7 52 6.0 -41.2 221 82 338.4 338.4 294.1 339.2 0.21 54 268 10319 -41.1 -49.1 42 8.0 -41.6 221 83 338.2 338.2 294.0 338.8 0.16 55 266 10370 -41.5 -45.6 64 4.1 -41.8 220 84 338.3 338.4 294.1 339.3 0.24 56 265 10396 -41.7 -50.7 37 9.0 -42.2 220 84 338.4 338.4 294.0 338.9 0.14 57 250 10790 -44.9 -53.9 36 9.0 -45.3 220 86 339.3 339.3 294.3 339.7 0.10 58 200 12240 -54.5 -61.5 42 7.0 -54.6 230 82 346.5 346.5 295.9 346.7 0.05 59 180 12909 -58.1 -69.2 23 11.0 -58.3 230 92 351.1 351.1 296.9 351.2 0.02 60 171 13230 -59.9 -72.9 17 13.0 -60.0 235 75 353.4 353.4 297.4 353.4 0.01 61 150 14050 -58.7 -81.7 4 23.0 -58.9 240 59 368.9 368.9 300.4 369.0 0.00 62 100 16570 -60.9 -85.9 2 25.0 -61.2 250 18 410.1 410.1 306.5 410.1 0.00 63 89 17289 -64.5 -87.5 3 23.0 -64.7 225 28 416.8 416.8 307.3 416.8 0.00 64 84 17644 -62.7 -87.7 2 25.0 -63.0 243 33 427.4 427.4 308.6 427.4 0.00 65 81 17868 -63.7 -88.7 2 25.0 -63.9 240 29 429.8 429.8 308.8 429.8 0.00 66 76 18264 -58.7 -86.7 2 28.0 -59.2 230 21 448.1 448.1 310.7 448.2 0.00 67 74 18431 -59.9 -86.9 2 27.0 -60.3 228 21 449.0 449.0 310.8 449.1 0.00 68 70 18780 -58.5 -86.5 2 28.0 -59.0 285 5 459.2 459.2 311.7 459.2 0.00 69 69 18871 -57.9 -86.9 1 29.0 -58.5 266 9 462.4 462.4 312.0 462.4 0.00 70 63 19443 -59.7 -87.7 1 28.0 -60.2 184 2 470.6 470.6 312.7 470.6 0.00 71 53 20531 -57.3 -86.3 1 29.0 -58.0 223 13 500.0 500.0 314.9 500.1 0.00 72 51 20775 -57.7 -86.7 1 29.0 -58.5 208 10 504.6 504.6 315.3 504.7 0.00 73 50 20900 -56.7 -86.7 1 30.0 -57.5 200 8 509.9 509.9 315.7 509.9 0.00 74 48 21160 -55.5 -86.5 1 31.0 -56.5 212 7 518.7 518.7 316.2 518.7 0.00 75 42 22007 -57.5 -86.5 1 29.0 -58.4 345 13 533.9 534.0 317.2 534.0 0.01 76 37 22813 -54.9 -85.9 1 31.0 -56.2 341 9 560.3 560.3 318.6 560.4 0.01 77 35 23168 -55.7 -85.7 1 30.0 -57.0 339 7 567.2 567.2 319.0 567.3 0.01 78 32 23743 -52.3 -84.3 1 32.0 -54.3 337 5 591.1 591.1 320.2 591.1 0.01 79 30 24160 -52.9 -84.9 1 32.0 -54.9 335 3 600.4 600.4 320.6 600.5 0.01 80 27 24839 -53.3 -85.3 1 32.0 -55.4 75 9 617.7 617.7 321.4 617.7 0.01 81 26 25083 -51.9 -84.9 1 33.0 -54.3 67 12 628.3 628.4 321.8 628.4 0.01 82 24 25601 -52.5 -84.5 1 32.0 -54.9 72 15 641.2 641.2 322.3 641.2 0.01 83 21 26469 -50.1 -83.1 1 33.0 -53.4 86 25 673.4 673.4 323.6 673.5 0.02 84 21 26469 -50.3 -83.3 1 33.0 -53.6 86 25 672.8 672.8 323.5 672.9 0.02 85 20 26790 -47.5 -82.5 1 35.0 -51.8 85 12 690.8 690.8 324.1 691.0 0.02 86 19 27130 -45.3 -81.3 1 36.0 -50.5 82 18 707.8 707.8 324.7 708.1 0.03 87 17 27872 -44.9 -80.9 1 36.0 -50.6 58 21 732.0 732.0 325.4 732.3 0.03 88 15 28705 -46.5 -81.5 1 35.0 -52.0 70 27 753.3 753.4 326.0 753.6 0.03 89 14 29165 -43.9 -80.9 1 37.0 -50.8 100 22 777.2 777.2 326.7 777.5 0.04 90 13 29662 -44.5 -81.5 1 37.0 -51.4 98 20 791.7 791.8 327.0 792.1 0.04 91 11 30790 -40.1 -79.1 1 39.0 -49.8 100 18 846.5 846.5 328.3 847.2 0.07 92 11 30790 -40.9 -79.9 1 39.0 -50.3 100 18 843.6 843.6 328.2 844.2 0.06 93 10 31440 -39.7 -78.7 1 39.0 -50.1 85 24 871.4 871.4 328.8 872.2 0.08 94 9.0 32160 -40.3 -79.3 1 39.0 -50.9 78 28 895.7 895.7 329.4 896.6 0.08 95 8.5 32551 -39.5 -79.5 1 40.0 -50.8 74 30 913.6 913.6 329.7 914.5 0.08 96 7.4 33511 -34.3 -77.3 0 43.0 -49.5 64 36 971.7 971.8 330.7 973.3 0.14 97 7.0 33900 -33.9 -76.9 1 43.0 -49.7 60 38 988.9 989.0 331.0 990.7 0.16 98 6.5 34420 -33.1 -77.1 0 44.0 -49.8 1013.5 1013.6 331.4 1015.4 0.16 99 5.5 35597 -32.1 -76.1 0 44.0 -50.5 1067.5 1067.6 332.2 1070.4 0.22 TRP 171 13230 -59.9 -72.9 17 13.0 -60.0 235 75 353.4 353.4 297.4 353.4 0.01 WND 180 12909 -58.1 -69.2 23 11.0 -58.3 230 92 351.1 351.1 296.9 351.2 0.02 Sounding variables and indices 1000-500 mb thick: 5677.00 m Freezing level: 673.20 mb = 3437.42 m = 11277.48 ft Freezing level: 660.00 mb = 3595.63 m = 11796.54 ft Freezing level: 619.82 mb = 4100.45 m = 13452.74 ft Freezing level: 614.00 mb = 4175.52 m = 13699.05 ft Freezing level: 606.00 mb = 4280.44 m = 14043.26 ft Wetbulb zero: 704.77 mb = 3069.06 m = 10068.96 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 46.09 % Est. max temperature: 28.75 C = 83.75 F Sfc-Lift cond lev (LCL): 805.74 mb = 1968.01 m = 6456.66 ft T: 10.72 C 700-500 lapse rate: 4.24 C/km ThetaE index: 9.28 C Layer 865.0- 698.0 mb Conv cond level (CCL): 774.44 mb = 2299.02 m = 7542.62 ft Mean mixing ratio: 8.52 g/kg Conv temperature: 29.20 C = 84.56 F Cap Strength: 3.44 C Lifted Index: 3.43 C Risk: None Lifted Index @300 mb: 6.82 C Lifted Index @700 mb: -1.27 C Showalter Index: 4.25 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 17.30 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 161.60 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.68 J/kg Max Up Vert Vel: 9.56 m/s Conv Inhibition (B-): 18.94 J/kg Cap Strength: 3.42 C Lift Cond Lev (LCL): 783.02 mb = 2207.00 m = 7240.72 ft Lev Free Conv (LFC): 758.02 mb = 2475.79 m = 8122.57 ft Equ Level (EL): 658.02 mb = 3619.72 m = 11875.58 ft B at Equ Level: 44.21 J/kg Max Parcel Lev (MPL): 608.02 mb = 4253.87 m = 13956.11 ft Wind level data Storm motion: 292 at 18 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 98 235 7 5.7 4.0 | 135 15 -10.8 10.7 1 1000 113 265 7 7.0 0.6 | 127 12 -9.5 7.3 2 978 305 235 11 9.0 6.3 | 150 15 -7.5 13.0 3 945 610 225 10 7.1 7.1 | 146 17 -9.4 13.7 4 925 796 220 13 8.4 10.0 | 154 19 -8.1 16.6 5 912 914 230 13 10.0 8.4 | 156 16 -6.5 15.0 6 880 1219 240 11 9.5 5.5 | 150 14 -7.0 12.2 7 850 1521 245 14 12.7 5.9 | 163 13 -3.8 12.6 8 850 1524 235 13 10.6 7.5 | 158 15 -5.8 14.1 9 819 1829 265 16 15.9 1.4 | 176 8 -0.6 8.1 10 789 2134 255 16 15.5 4.1 | 174 11 -1.0 10.8 11 761 2438 260 19 18.7 3.3 | 193 10 2.2 10.0 12 733 2743 270 24 24.0 -0.0 | 228 10 7.5 6.7 13 706 3048 285 30 29.0 -7.8 | 275 13 12.5 -1.1 14 700 3124 285 30 29.0 -7.8 | 275 13 12.5 -1.1 15 680 3353 285 29 28.0 -7.5 | 274 12 11.5 -0.8 16 654 3658 270 30 30.0 -0.0 | 244 15 13.5 6.7 17 606 4267 270 28 28.0 -0.0 | 240 13 11.5 6.7 18 583 4572 250 27 25.4 9.2 | 209 18 8.9 15.9 19 561 4877 260 29 28.6 5.0 | 226 17 12.1 11.7 20 540 5182 270 28 28.0 -0.0 | 240 13 11.5 6.7 21 500 5790 255 40 38.6 10.4 | 232 28 22.1 17.0 22 480 6096 255 44 42.5 11.4 | 235 32 26.0 18.1 23 443 6706 260 45 44.3 7.8 | 242 31 27.8 14.5 24 400 7480 250 51 47.9 17.4 | 232 40 31.4 24.1 25 392 7620 250 51 47.9 17.4 | 232 40 31.4 24.1 26 317 9144 245 59 53.5 24.9 | 229 49 37.0 31.6 27 304 9449 240 58 50.2 29.0 | 223 49 33.7 35.7 28 300 9540 235 63 51.6 36.1 | 219 55 35.1 42.8 29 266 10363 220 84 54.0 64.3 | 208 80 37.5 71.0 30 250 10790 220 86 55.3 65.9 | 208 82 38.8 72.6 31 200 12240 230 82 62.8 52.7 | 218 75 46.3 59.4 32 180 12909 230 92 70.5 59.1 | 219 85 54.0 65.8 33 174 13106 230 92 70.5 59.1 | 219 85 54.0 65.8 34 171 13230 235 75 61.4 43.0 | 222 67 44.9 49.7 35 151 14021 240 60 52.0 30.0 | 224 51 35.5 36.7 36 150 14050 240 59 51.1 29.5 | 224 50 34.6 36.2 37 124 15240 240 54 46.8 27.0 | 222 45 30.3 33.7 38 118 15545 245 52 47.1 22.0 | 227 42 30.6 28.7 39 112 15850 245 60 54.4 25.4 | 230 50 37.9 32.0 40 102 16459 275 27 26.9 -2.4 | 247 11 10.4 4.3 41 100 16570 250 18 16.9 6.2 | 182 13 0.4 12.8 42 97 16764 250 18 16.9 6.2 | 182 13 0.4 12.8 43 92 17069 225 21 14.8 14.8 | 176 22 -1.6 21.5 44 88 17374 225 30 21.2 21.2 | 190 28 4.7 27.9 45 84 17678 245 33 29.9 13.9 | 213 25 13.4 20.6 46 76 18288 230 21 16.1 13.5 | 179 20 -0.4 20.2 47 72 18593 225 22 15.6 15.6 | 178 22 -0.9 22.2 48 70 18780 285 5 4.8 -1.3 | 115 13 -11.7 5.4 49 69 18898 260 10 9.8 1.7 | 142 11 -6.7 8.4 50 62 19507 175 1 -0.1 1.0 | 115 18 -16.6 7.7 51 57 20117 205 10 4.2 9.1 | 142 20 -12.3 15.7 52 54 20422 230 15 11.5 9.6 | 163 17 -5.0 16.3 53 50 20900 200 8 2.7 7.5 | 136 20 -13.8 14.2 54 47 21336 220 7 4.5 5.4 | 135 17 -12.0 12.0 55 45 21641 325 10 5.7 -8.2 | 82 11 -10.8 -1.5 56 42 21946 345 13 3.4 -12.6 | 66 14 -13.1 -5.9 57 30 24160 335 3 1.3 -2.7 | 105 16 -15.2 4.0 58 29 24384 90 3 -3.0 0.0 | 109 21 -19.5 6.7 59 25 25298 60 15 -13.0 -7.5 | 88 30 -29.5 -0.8 60 22 26213 95 16 -15.9 1.4 | 104 33 -32.4 8.1 61 21 26518 85 27 -26.9 -2.4 | 96 44 -43.4 4.3 62 20 26790 85 12 -12.0 -1.0 | 101 29 -28.5 5.6 63 20 26822 100 24 -23.6 4.2 | 105 42 -40.1 10.8 64 18 27432 65 13 -11.8 -5.5 | 92 28 -28.3 1.2 65 17 27737 70 20 -18.8 -6.8 | 90 35 -35.3 -0.2 66 17 28042 45 22 -15.6 -15.6 | 75 33 -32.1 -8.9 67 15 28651 65 28 -25.4 -11.8 | 83 42 -41.9 -5.2 68 14 29261 105 21 -20.3 5.4 | 108 39 -36.8 12.1 69 13 29566 90 20 -20.0 0.0 | 100 37 -36.5 6.7 70 13 29870 110 20 -18.8 6.8 | 111 38 -35.3 13.5 71 12 30175 115 12 -10.9 5.1 | 113 30 -27.4 11.8 72 10 31440 85 24 -23.9 -2.1 | 96 41 -40.4 4.6 73 7 33900 60 38 -32.9 -19.0 | 76 51 -49.4 -12.3 Wind Parameters Mean winds (0-6000m): 262.0 at 23.7 knts Storm direction: 292.0 at 17.8 knts Shear (0-3000m) pos: 4.5 neg: 0.6 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 140.2 deg Storm rel helicity (0-3000m) pos: 95.8 neg: -11.1 tot: 84.7 m^2/s^2 ave: 28.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.44 Bulk Shear: 31.75 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 ------------------------------------------------------------------------------- 500 237 10 145 15| 0.0 3.4 3.4| 12.6 -4.4 8.2 16.3 0.29| 8.7 2.5 1000 231 11 150 16| 1.4 1.7 3.1| 27.4 -7.8 19.5 19.5 0.31| 8.0 2.5 1500 235 11 152 15| 1.7 1.1 2.9| 37.1 -10.6 26.5 17.7 0.34| 6.8 2.3 2000 242 12 156 14| 2.3 0.9 3.2| 45.1 -11.1 34.0 17.0 0.34| 7.1 2.4 2500 247 14 162 13| 3.2 0.7 3.8| 62.4 -11.1 51.4 20.5 0.46| 7.0 3.2 3000 255 16 173 11| 4.5 0.6 5.1| 95.8 -11.1 84.7 28.2 0.60| 7.9 4.8 4000 264 19 197 9| 3.4 1.4 4.8| 95.8 -38.2 57.6 14.4 0.35| 7.2 2.6 5000 263 21 206 10| 3.4 2.0 5.4|128.1 -71.4 56.7 11.3 0.26| 7.6 2.0 6000 262 24 215 12| 2.8 2.8 5.6|143.0 -87.9 55.1 9.2 0.20| 8.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250611.00.gif