UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060800.upa.cvt Date: 0000Z 8 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 8 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 ------------------------------------------------------------------------------- 0 1000 61 320 5 SFC 997 98 27.6 16.6 51 11.0 20.1 320 5 301.0 303.2 293.4 336.3 12.00 2 925 745 21.8 11.8 53 10.0 15.4 330 17 301.6 303.3 291.6 329.5 9.44 3 907 915 20.4 11.4 56 9.0 14.7 330 19 301.9 303.6 291.6 329.6 9.37 4 864 1333 16.8 10.8 68 6.0 13.0 326 21 302.3 304.1 291.8 330.4 9.45 5 850 1472 15.6 11.8 78 3.8 13.2 320 20 302.5 304.4 292.5 333.0 10.28 6 814 1838 13.2 8.2 72 5.0 10.2 320 18 303.7 305.3 291.4 328.9 8.41 7 801 1974 12.2 8.1 76 4.1 9.7 313 18 304.0 305.6 291.6 329.5 8.49 8 786 2132 11.4 8.3 81 3.1 9.5 305 19 304.8 306.5 292.0 331.2 8.78 9 767 2337 10.4 5.5 72 4.9 7.6 295 18 305.9 307.3 291.2 328.3 7.40 10 760 2413 10.0 7.0 82 3.0 8.2 292 17 306.3 307.8 292.1 331.4 8.30 11 705 3035 6.6 1.8 71 4.8 4.0 280 15 309.2 310.3 291.2 328.3 6.19 12 700 3094 6.6 0.6 65 6.0 3.4 280 15 309.8 310.9 291.0 327.5 5.72 13 691 3200 6.0 0.0 65 6.0 2.8 281 16 310.3 311.3 291.0 327.5 5.54 14 688 3235 6.0 -2.0 56 8.0 2.0 281 16 310.7 311.6 290.5 325.7 4.80 15 667 3488 4.2 -1.8 65 6.0 1.1 283 19 311.4 312.4 290.9 327.2 5.03 16 655 3635 3.6 -2.4 65 6.0 0.6 285 21 312.4 313.3 291.1 327.8 4.90 17 649 3710 3.2 -4.8 56 8.0 -0.6 286 21 312.7 313.5 290.5 325.8 4.13 18 648 3723 3.4 -6.6 48 10.0 -1.2 286 21 313.1 313.8 290.2 324.6 3.60 19 647 3735 4.0 -18.0 18 22.0 -3.8 286 21 313.9 314.2 288.3 318.7 1.43 20 646 3748 4.4 -19.6 16 24.0 -3.9 286 21 314.5 314.7 288.3 318.7 1.25 21 642 3798 4.4 -21.6 13 26.0 -4.2 287 21 315.1 315.3 288.3 318.7 1.06 22 616 4133 1.8 -13.2 32 15.0 -4.1 292 21 315.8 316.2 289.8 323.2 2.24 23 613 4172 1.8 -17.2 23 19.0 -5.1 293 21 316.3 316.6 289.3 321.7 1.62 24 601 4331 0.4 -15.6 29 16.0 -5.5 292 21 316.4 316.8 289.6 322.7 1.89 25 597 4384 0.2 -20.8 19 21.0 -6.7 289 22 316.8 317.0 289.0 321.0 1.22 26 575 4684 -1.5 -22.5 18 21.0 -8.1 277 24 318.2 318.4 289.3 322.0 1.09 27 569 4767 -1.9 -17.9 28 16.0 -7.5 278 24 318.7 319.0 290.0 324.3 1.64 28 566 4809 -1.9 -20.9 22 19.0 -8.1 279 24 319.2 319.4 289.8 323.6 1.28 29 555 4965 -3.3 -16.3 36 13.0 -8.0 278 26 319.3 319.7 290.5 325.8 1.93 30 543 5137 -4.7 -16.7 38 12.0 -8.9 275 28 319.7 320.0 290.6 326.1 1.91 31 532 5298 -5.9 -16.9 41 11.0 -9.8 271 30 320.1 320.5 290.7 326.6 1.91 32 512 5596 -8.3 -21.3 34 13.0 -12.3 264 34 320.7 321.0 290.4 325.4 1.36 33 505 5703 -8.9 -22.9 31 14.0 -13.0 262 35 321.3 321.5 290.4 325.4 1.20 34 500 5780 -9.3 -26.3 24 17.0 -13.8 260 36 321.7 321.9 290.2 324.8 0.89 35 488 5968 -9.9 -33.9 12 24.0 -15.1 263 34 323.2 323.3 290.2 324.8 0.45 36 483 6047 -9.7 -39.7 7 30.0 -15.4 264 33 324.4 324.5 290.4 325.4 0.25 37 482 6063 -9.9 -31.9 15 22.0 -15.0 264 32 324.4 324.5 290.7 326.3 0.55 38 480 6095 -10.1 -32.1 15 22.0 -15.1 265 32 324.5 324.6 290.7 326.5 0.54 39 471 6241 -10.5 -45.5 4 35.0 -16.2 267 33 325.8 325.8 290.6 326.3 0.14 40 445 6676 -13.3 -42.3 7 29.0 -18.2 261 39 327.6 327.6 291.2 328.4 0.21 41 441 6744 -12.9 -46.9 4 34.0 -18.1 259 40 328.9 328.9 291.6 329.4 0.13 42 407 7350 -17.7 -41.7 10 24.0 -21.5 250 34 330.3 330.4 292.0 331.3 0.24 43 400 7480 -18.7 -43.7 9 25.0 -22.4 250 39 330.7 330.7 292.1 331.5 0.20 44 385 7764 -20.9 -46.9 8 26.0 -24.2 249 41 331.4 331.5 292.3 332.0 0.15 45 380 7861 -21.3 -56.3 3 35.0 -24.8 248 42 332.1 332.2 292.3 332.3 0.05 46 372 8017 -22.1 -51.1 5 29.0 -25.3 246 45 333.1 333.1 292.7 333.5 0.09 47 330 8886 -29.3 -51.3 10 22.0 -31.3 238 58 334.8 334.9 293.1 335.2 0.10 48 325 8995 -30.1 -49.1 14 19.0 -31.9 237 60 335.2 335.2 293.3 335.7 0.13 49 318 9150 -31.5 -38.5 50 7.0 -32.4 235 62 335.3 335.4 293.6 337.0 0.43 50 316 9195 -31.9 -39.9 45 8.0 -32.9 236 62 335.4 335.5 293.5 336.8 0.38 51 313 9262 -32.5 -38.5 55 6.0 -33.3 239 61 335.5 335.6 293.6 337.2 0.44 52 311 9307 -33.1 -38.0 61 4.9 -33.7 241 61 335.3 335.3 293.6 337.0 0.46 53 309 9353 -33.5 -37.6 67 4.1 -34.0 242 61 335.3 335.4 293.6 337.2 0.49 54 304 9467 -33.9 -35.9 82 2.0 -34.2 247 60 336.3 336.4 294.0 338.5 0.59 55 300 9560 -34.3 -36.6 80 2.3 -34.6 250 59 337.0 337.1 294.1 339.1 0.55 56 250 10810 -44.1 -47.5 69 3.4 -44.3 270 54 340.5 340.5 294.6 341.3 0.21 57 200 12260 -56.5 -60.5 61 4.0 -56.6 275 93 343.3 343.3 295.1 343.5 0.06 58 198 12324 -56.7 -61.2 57 4.5 -56.8 275 94 343.9 343.9 295.3 344.2 0.05 59 150 14060 -62.7 -79.7 8 17.0 -62.9 255 76 362.1 362.1 299.1 362.1 0.00 60 141 14443 -63.7 -69.7 44 6.0 -63.8 265 88 366.8 366.8 300.0 366.9 0.02 61 100 16560 -63.7 -86.7 3 23.0 -63.9 290 33 404.7 404.7 305.8 404.7 0.00 62 88 17343 -64.5 -87.5 3 23.0 -64.7 281 19 418.1 418.1 307.5 418.1 0.00 63 84 17626 -66.3 -88.3 3 22.0 -66.5 276 12 420.1 420.1 307.7 420.1 0.00 64 74 18397 -64.5 -88.5 2 24.0 -64.7 217 22 439.4 439.4 309.8 439.4 0.00 65 71 18652 -61.5 -88.5 2 27.0 -61.9 238 20 451.0 451.0 311.0 451.0 0.00 66 70 18740 -61.7 -87.7 2 26.0 -62.0 265 11 452.4 452.4 311.1 452.4 0.00 67 66 19105 -61.3 -88.3 2 27.0 -61.7 288 11 460.9 460.9 311.8 460.9 0.00 68 65 19199 -61.7 -87.7 2 26.0 -62.1 300 10 462.1 462.1 312.0 462.1 0.00 69 63 19394 -59.5 -87.5 1 28.0 -60.0 326 8 471.1 471.1 312.7 471.1 0.00 70 60 19698 -60.5 -88.5 1 28.0 -61.0 6 5 475.5 475.5 313.1 475.5 0.00 71 58 19911 -57.9 -87.9 1 30.0 -58.5 34 3 486.0 486.0 313.9 486.0 0.00 72 55 20246 -57.7 -87.7 1 30.0 -58.4 55 2 493.9 493.9 314.5 493.9 0.00 73 55 20246 -55.9 -86.9 1 31.0 -56.8 55 2 498.0 498.0 314.8 498.0 0.00 74 50 20850 -57.3 -86.3 1 29.0 -58.1 35 9 508.4 508.4 315.5 508.5 0.00 75 45 21514 -58.1 -87.1 1 29.0 -58.9 67 9 522.1 522.1 316.4 522.1 0.00 76 44 21655 -56.3 -87.3 1 31.0 -57.3 65 10 529.8 529.8 316.9 529.8 0.00 77 42 21950 -57.1 -87.1 1 30.0 -58.0 60 10 534.9 534.9 317.2 535.0 0.00 78 36 22931 -54.1 -86.1 1 32.0 -55.6 43 12 566.8 566.8 319.0 566.9 0.01 79 33 23488 -54.3 -85.3 1 31.0 -55.9 72 13 580.6 580.6 319.7 580.6 0.01 80 30 24100 -52.9 -84.9 1 32.0 -54.9 115 13 600.4 600.4 320.6 600.5 0.01 81 29 24319 -52.7 -85.7 1 33.0 -54.8 111 15 606.8 606.8 320.9 606.9 0.01 82 28 24547 -49.9 -83.9 1 34.0 -52.7 102 13 620.7 620.7 321.5 620.8 0.01 83 25 25287 -51.1 -84.1 1 33.0 -53.8 95 11 637.7 637.7 322.2 637.8 0.01 84 23 25833 -48.7 -83.7 1 35.0 -52.2 106 10 660.2 660.2 323.1 660.3 0.02 85 22 26124 -49.7 -83.7 1 34.0 -53.0 82 10 665.7 665.7 323.3 665.8 0.02 86 20 26750 -48.7 -83.7 1 35.0 -52.6 70 6 687.1 687.1 324.0 687.2 0.02 87 18 27447 -47.9 -83.9 1 36.0 -52.4 61 8 710.7 710.7 324.8 710.8 0.02 88 14 29124 -44.5 -82.5 1 38.0 -51.1 88 13 775.1 775.2 326.6 775.4 0.03 89 13 29627 -39.5 -80.5 0 41.0 -48.8 97 14 809.1 809.1 327.5 809.5 0.05 90 10 31440 -36.3 -79.3 0 43.0 -48.7 85 19 884.0 884.1 329.1 884.8 0.07 91 10 31440 -36.5 -79.5 0 43.0 -48.8 85 19 883.3 883.3 329.1 884.0 0.07 92 9.7 31651 -36.3 -79.3 0 43.0 -48.8 86 19 891.8 891.8 329.2 892.6 0.08 93 9.4 31869 -37.5 -79.5 0 42.0 -49.5 87 20 895.3 895.3 329.4 896.1 0.08 94 7.0 33910 -35.9 -78.9 0 43.0 -50.4 95 24 980.6 980.7 330.9 981.9 0.11 95 6.7 34215 -34.9 -77.9 0 43.0 -50.3 997.2 997.3 331.2 998.8 0.14 TRP 141 14443 -63.7 -69.7 44 6.0 -63.8 265 88 366.8 366.8 300.0 366.9 0.02 WND 198 12324 -56.7 -61.2 57 4.5 -56.8 275 94 343.9 343.9 295.3 344.2 0.05 Sounding variables and indices 1000-500 mb thick: 5719.00 m Freezing level: 594.41 mb = 4419.49 m = 14499.46 ft Wetbulb zero: 652.05 mb = 3672.08 m = 12047.38 ft Precipitable water: 1.29 inches Sfc-500 mean rel hum: 52.23 % Est. max temperature: 29.18 C = 84.52 F Sfc-Lift cond lev (LCL): 849.26 mb = 1479.39 m = 4853.57 ft T: 15.55 C 700-500 lapse rate: 5.92 C/km ThetaE index: 6.78 C Layer 925.0- 907.0 mb Conv cond level (CCL): 765.03 mb = 2358.32 m = 7737.17 ft Mean mixing ratio: 10.33 g/kg Conv temperature: 32.59 C = 90.67 F Cap Strength: 3.09 C Lifted Index: 0.99 C Risk: Showers probable Lifted Index @300 mb: 4.73 C Lifted Index @700 mb: 1.60 C Showalter Index: 0.52 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: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 217.60 Risk: None Energy Index: -1.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.08 J/kg Max Up Vert Vel: 2.48 m/s Conv Inhibition (B-): 45065.54 J/kg Cap Strength: 2.92 C Lift Cond Lev (LCL): 816.10 mb = 1816.54 m = 5959.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 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 ---------------------------------------------------------- 0 997 98 320 5 3.2 -3.8 | 139 11 -7.2 8.1 1 973 305 315 12 8.5 -8.5 | 151 4 -1.9 3.5 2 940 610 325 15 8.6 -12.3 | 79 2 -1.8 -0.3 3 925 745 330 17 8.5 -14.7 | 34 3 -1.9 -2.8 4 907 914 330 19 9.5 -16.5 | 11 5 -0.9 -4.5 5 875 1219 330 21 10.5 -18.2 | 359 6 0.1 -6.2 6 850 1472 320 20 12.9 -15.3 | 324 4 2.5 -3.4 7 814 1829 320 18 11.6 -13.8 | 327 2 1.2 -1.8 8 785 2134 305 19 15.6 -10.9 | 258 5 5.2 1.1 9 757 2438 290 17 16.0 -5.8 | 222 8 5.6 6.1 10 730 2743 280 15 14.8 -2.6 | 205 10 4.4 9.3 11 700 3094 280 15 14.8 -2.6 | 205 10 4.4 9.3 12 652 3658 285 21 20.3 -5.4 | 237 12 9.9 6.5 13 604 4267 295 21 19.0 -8.9 | 250 9 8.6 3.1 14 582 4572 275 23 22.9 -2.0 | 232 16 12.5 10.0 15 560 4877 280 25 24.6 -4.3 | 242 16 14.2 7.6 16 500 5780 260 36 35.5 6.3 | 234 31 25.1 18.2 17 499 5791 260 36 35.5 6.3 | 234 31 25.1 18.2 18 480 6096 265 32 31.9 2.8 | 236 26 21.5 14.7 19 461 6401 270 35 35.0 -0.0 | 244 27 24.6 12.0 20 443 6706 260 40 39.4 6.9 | 237 35 29.0 18.9 21 409 7315 250 33 31.0 11.3 | 222 31 20.6 23.2 22 400 7480 250 39 36.6 13.3 | 226 36 26.3 25.3 23 392 7620 250 39 36.6 13.3 | 226 36 26.3 25.3 24 318 9144 235 62 50.8 35.6 | 220 62 40.4 47.5 25 300 9560 250 59 55.4 20.2 | 234 55 45.0 32.1 26 267 10363 260 62 61.1 10.8 | 246 56 50.7 22.7 27 250 10810 270 54 54.0 -0.0 | 255 45 43.6 12.0 28 233 11278 270 52 52.0 -0.0 | 254 43 41.6 12.0 29 200 12260 275 93 92.6 -8.1 | 267 82 82.3 3.8 30 198 12324 275 94 93.6 -8.2 | 267 83 83.2 3.8 31 193 12497 275 94 93.6 -8.2 | 267 83 83.2 3.8 32 175 13106 285 89 86.0 -23.0 | 278 76 75.6 -11.1 33 166 13411 285 67 64.7 -17.3 | 276 55 54.3 -5.4 34 158 13716 255 63 60.9 16.3 | 241 58 50.5 28.3 35 150 14060 255 76 73.4 19.7 | 243 71 63.0 31.6 36 144 14326 250 74 69.5 25.3 | 238 70 59.1 37.3 37 141 14443 265 88 87.7 7.7 | 256 80 77.3 19.6 38 137 14630 265 89 88.7 7.8 | 256 81 78.3 19.7 39 124 15240 290 68 63.9 -23.3 | 282 55 53.5 -11.3 40 112 15850 280 44 43.3 -7.6 | 263 33 32.9 4.3 41 107 16154 275 54 53.8 -4.7 | 261 44 43.4 7.2 42 100 16560 290 33 31.0 -11.3 | 268 21 20.6 0.7 43 97 16764 290 33 31.0 -11.3 | 268 21 20.6 0.7 44 83 17678 275 11 11.0 -1.0 | 183 11 0.6 11.0 45 79 17983 225 13 9.2 9.2 | 177 21 -1.2 21.1 46 75 18288 215 20 11.5 16.4 | 182 28 1.1 28.3 47 72 18593 220 26 16.7 19.9 | 191 32 6.3 31.9 48 70 18740 265 11 11.0 1.0 | 183 13 0.6 12.9 49 68 18898 260 13 12.8 2.3 | 190 14 2.4 14.2 50 56 20117 60 1 -0.9 -0.5 | 135 16 -11.3 11.5 51 50 20850 35 9 -5.2 -7.4 | 106 16 -15.6 4.6 52 46 21336 70 9 -8.5 -3.1 | 115 21 -18.8 8.9 53 42 21946 60 10 -8.7 -5.0 | 110 20 -19.1 7.0 54 36 22860 30 12 -6.0 -10.4 | 95 16 -16.4 1.6 55 35 23165 80 13 -12.8 -2.3 | 113 25 -23.2 9.7 56 33 23470 75 13 -12.6 -3.4 | 111 25 -22.9 8.6 57 32 23774 40 13 -8.4 -10.0 | 96 19 -18.7 2.0 58 30 24079 45 16 -11.3 -11.3 | 92 22 -21.7 0.6 59 30 24100 115 13 -11.8 5.5 | 128 28 -22.2 17.4 60 29 24384 110 15 -14.1 5.1 | 125 30 -24.5 17.1 61 27 24689 95 11 -11.0 1.0 | 121 25 -21.4 12.9 62 25 25298 95 11 -11.0 1.0 | 121 25 -21.4 12.9 63 24 25603 125 10 -8.2 5.7 | 134 26 -18.6 17.7 64 22 26213 75 10 -9.7 -2.6 | 115 22 -20.1 9.4 65 20 26750 70 6 -5.6 -2.1 | 122 19 -16.0 9.9 66 19 27127 65 3 -2.7 -1.3 | 129 17 -13.1 10.7 67 18 27432 60 8 -6.9 -4.0 | 115 19 -17.3 8.0 68 17 27737 65 10 -9.1 -4.2 | 112 21 -19.5 7.7 69 17 28042 95 13 -13.0 1.1 | 119 27 -23.3 13.1 70 16 28346 105 12 -11.6 3.1 | 124 27 -22.0 15.1 71 14 28956 85 13 -13.0 -1.1 | 115 26 -23.3 10.8 72 13 29870 100 14 -13.8 2.4 | 121 28 -24.2 14.4 73 12 30175 100 25 -24.6 4.3 | 115 39 -35.0 16.3 74 10 31440 85 19 -18.9 -1.7 | 109 31 -29.3 10.3 75 7 33910 95 24 -23.9 2.1 | 112 37 -34.3 14.0 Wind Parameters Mean winds (0-6000m): 289.0 at 21.1 knts Storm direction: 319.0 at 15.8 knts Shear (0-3000m) pos: 2.6 neg: 2.7 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 66.8 deg Storm rel helicity (0-3000m) pos: 2.3 neg: -26.8 tot: -24.4 m^2/s^2 ave: -8.1 10^-3 m/s^2 rel: -0.54 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 21.12 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 ------------------------------------------------------------------------------- 500 319 11 139 4| 10.2 0.0 10.2| 2.1 -1.5 0.6 1.1 -0.12| 11.0 -1.4 1000 325 15 86 2| 7.9 0.0 7.9| 2.1 -5.2 -3.1 -3.1 -0.34| 8.5 -2.9 1500 325 17 30 2| 5.2 1.2 6.5| 2.1 -9.8 -7.7 -5.1 -0.42| 7.4 -3.1 2000 323 17 2 2| 3.9 2.1 6.0| 2.2 -12.5 -10.3 -5.1 -0.46| 6.9 -3.2 2500 317 17 297 1| 3.1 3.0 6.1| 2.2 -23.5 -21.2 -8.5 -0.53| 7.1 -3.8 3000 312 17 251 2| 2.6 2.7 5.3| 2.3 -26.8 -24.4 -8.1 -0.54| 6.2 -3.3 4000 304 17 242 5| 2.9 2.0 4.9| 24.5 -26.8 -2.3 -0.6 -0.26| 5.8 -1.5 5000 298 19 243 7| 2.3 2.5 4.8| 36.9 -39.7 -2.8 -0.6 -0.21| 6.0 -1.3 6000 289 21 242 11| 1.9 2.8 4.7| 42.8 -61.8 -19.0 -3.2 -0.20| 6.5 -1.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250608.00.gif