UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070212.upa.cvt Date: 1200Z 2 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 2 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 21.0 19.9 93 1.1 20.2 300 5 293.9 296.5 293.3 335.9 14.74 1 1000 111 21.2 19.8 92 1.4 20.2 285 4 294.4 297.0 293.4 336.3 14.69 2 999 120 21.0 19.4 91 1.6 19.9 288 4 294.2 296.8 293.1 335.2 14.33 3 996 146 21.6 17.4 77 4.2 18.8 298 4 295.1 297.4 292.1 331.4 12.65 4 989 207 21.6 16.6 73 5.0 18.3 320 4 295.7 297.9 291.9 330.5 12.10 5 953 529 21.4 16.4 73 5.0 18.1 348 7 298.6 300.9 293.0 334.7 12.40 6 925 787 19.4 14.9 75 4.5 16.4 340 10 299.1 301.3 292.5 333.0 11.59 7 895 1071 17.2 14.3 83 2.9 15.3 10 8 299.7 301.8 292.6 333.4 11.52 8 889 1128 17.2 12.4 73 4.8 14.1 18 8 300.3 302.2 291.8 330.3 10.23 9 860 1411 15.2 13.2 88 2.0 13.9 337 9 301.1 303.1 292.7 333.9 11.16 10 856 1451 15.6 13.6 88 2.0 14.3 327 9 301.9 304.0 293.3 335.9 11.51 11 850 1511 15.2 13.9 92 1.3 14.4 310 9 302.1 304.2 293.6 337.0 11.83 12 833 1683 14.0 14.0 100 0.0 14.0 275 8 302.6 304.8 294.0 338.5 12.15 13 816 1857 13.0 13.0 100 0.0 13.0 245 8 303.3 305.4 293.7 337.8 11.62 14 713 2985 7.8 7.8 100 0.0 7.8 276 17 309.5 311.3 293.9 338.1 9.36 15 700 3137 6.6 6.6 100 0.0 6.6 280 17 309.8 311.4 293.5 336.7 8.77 16 698 3161 6.6 6.6 100 0.0 6.6 278 17 310.0 311.7 293.6 337.0 8.80 17 691 3243 5.6 4.2 91 1.4 4.8 273 16 309.8 311.2 292.5 332.9 7.51 18 665 3557 4.0 4.0 100 0.0 4.0 265 12 311.4 312.9 293.1 335.2 7.69 19 662 3594 3.8 2.2 89 1.6 2.9 265 12 311.6 312.9 292.4 332.7 6.79 20 621 4112 1.6 1.1 96 0.5 1.3 291 13 314.9 316.1 293.3 335.9 6.69 21 609 4269 0.4 0.3 99 0.1 0.3 286 16 315.2 316.5 293.2 335.5 6.44 22 600 4389 -0.3 -1.4 92 1.1 -0.9 288 15 315.8 316.9 292.8 334.0 5.76 23 596 4442 -0.5 -1.7 92 1.2 -1.2 290 15 316.1 317.2 292.9 334.2 5.68 24 582 4632 -2.1 -3.1 93 1.0 -2.6 296 14 316.4 317.4 292.6 333.1 5.24 25 579 4673 -1.5 -1.7 99 0.2 -1.6 298 14 317.6 318.7 293.4 336.2 5.84 26 545 5154 -3.9 -4.0 99 0.1 -4.0 301 16 320.3 321.3 293.6 337.2 5.23 27 542 5198 -4.3 -4.3 100 0.0 -4.3 300 17 320.3 321.3 293.6 337.0 5.14 28 530 5374 -6.5 -9.9 77 3.4 -7.9 297 19 319.7 320.4 292.0 330.9 3.40 29 527 5419 -5.7 -7.8 85 2.1 -6.7 296 20 321.2 322.0 292.9 334.5 4.04 30 524 5464 -5.9 -7.3 90 1.4 -6.5 296 21 321.5 322.3 293.2 335.3 4.22 31 522 5494 -6.1 -7.3 91 1.2 -6.7 295 21 321.6 322.4 293.2 335.5 4.24 32 511 5660 -6.9 -7.4 96 0.5 -7.1 284 24 322.6 323.5 293.5 336.7 4.30 33 505 5753 -7.9 -9.5 88 1.6 -8.6 278 25 322.5 323.2 293.0 334.7 3.69 34 500 5830 -8.9 -12.7 74 3.8 -10.4 275 25 322.2 322.8 292.2 331.8 2.88 35 499 5845 -8.9 -11.8 79 2.9 -10.1 275 25 322.4 323.0 292.4 332.7 3.10 36 498 5861 -8.7 -10.6 86 1.9 -9.5 275 25 322.8 323.5 292.9 334.2 3.43 37 496 5892 -8.9 -11.9 79 3.0 -10.1 275 24 322.9 323.5 292.6 333.3 3.10 38 494 5923 -8.9 -11.3 83 2.4 -9.9 275 24 323.3 323.9 292.9 334.2 3.27 39 490 5986 -9.3 -15.3 62 6.0 -11.5 275 23 323.6 324.0 292.2 331.6 2.37 40 476 6209 -11.1 -17.1 61 6.0 -13.2 275 22 324.0 324.4 292.0 331.2 2.10 41 469 6323 -11.7 -15.9 71 4.2 -13.2 275 23 324.7 325.1 292.4 332.7 2.36 42 467 6356 -10.7 -13.1 82 2.4 -11.6 275 23 326.3 326.9 293.4 336.4 2.99 43 466 6372 -10.9 -12.0 92 1.1 -11.3 275 23 326.3 326.9 293.6 337.3 3.27 44 455 6555 -11.9 -12.8 93 0.9 -12.3 275 23 327.2 327.9 293.8 337.9 3.14 45 438 6845 -13.9 -15.8 86 1.9 -14.6 277 20 328.3 328.8 293.6 337.0 2.55 46 433 6932 -13.9 -14.8 93 0.9 -14.2 279 17 329.4 329.9 294.1 339.0 2.80 47 417 7217 -15.5 -15.9 97 0.4 -15.6 243 16 330.9 331.4 294.3 340.1 2.66 48 400 7530 -17.3 -18.4 91 1.1 -17.7 220 16 332.5 333.0 294.4 340.4 2.24 49 377 7973 -19.9 -21.8 85 1.9 -20.4 223 25 334.7 335.1 294.6 341.1 1.77 50 351 8500 -23.9 -26.4 80 2.5 -24.5 226 33 336.3 336.5 294.5 340.9 1.26 51 333 8884 -26.7 -28.6 84 1.9 -27.1 228 33 337.5 337.8 294.7 341.5 1.08 52 300 9630 -32.5 -35.9 72 3.4 -33.0 225 39 339.6 339.7 294.8 341.8 0.60 53 296 9724 -33.3 -36.7 71 3.4 -33.8 225 40 339.7 339.9 294.8 341.9 0.56 54 275 10233 -37.5 -39.5 82 2.0 -37.7 227 44 340.9 341.0 295.0 342.6 0.45 55 263 10538 -39.9 -43.8 66 3.9 -40.2 229 46 341.8 341.8 295.0 342.9 0.30 56 250 10880 -42.5 -46.3 66 3.8 -42.8 230 49 342.9 342.9 295.3 343.8 0.24 57 239 11183 -45.3 -49.4 63 4.1 -45.6 230 51 343.1 343.1 295.3 343.8 0.18 58 200 12350 -54.3 -61.3 42 7.0 -54.5 240 53 346.8 346.8 296.0 347.0 0.05 59 150 14150 -65.5 -75.5 24 10.0 -65.6 235 38 357.2 357.2 298.1 357.3 0.01 60 145 14355 -66.1 -78.1 17 12.0 -66.2 245 34 359.7 359.7 298.7 359.7 0.01 61 100 16620 -62.1 -87.1 2 25.0 -62.3 275 7 407.7 407.7 306.2 407.8 0.00 62 95 16935 -64.1 -87.1 3 23.0 -64.3 258 15 409.8 409.8 306.5 409.9 0.00 63 86 17542 -64.7 -87.7 3 23.0 -64.9 269 14 420.5 420.5 307.7 420.5 0.00 64 82 17834 -62.5 -88.5 2 26.0 -62.8 296 12 430.7 430.7 308.9 430.7 0.00 65 70 18810 -61.7 -88.7 2 27.0 -62.0 25 7 452.4 452.4 311.1 452.4 0.00 66 63 19461 -63.5 -89.5 2 26.0 -63.8 47 10 462.3 462.3 312.0 462.3 0.00 67 58 19970 -62.5 -89.5 1 27.0 -62.9 81 11 475.6 475.6 313.1 475.6 0.00 68 55 20300 -59.7 -88.7 1 29.0 -60.3 103 11 489.3 489.3 314.2 489.3 0.00 69 50 20900 -57.3 -88.3 1 31.0 -58.1 60 16 508.4 508.4 315.5 508.5 0.00 70 47 21291 -56.7 -85.7 1 29.0 -57.6 76 17 519.0 519.0 316.2 519.0 0.01 71 46 21427 -57.5 -86.5 1 29.0 -58.3 80 16 520.2 520.2 316.3 520.3 0.00 72 45 21566 -56.1 -85.1 1 29.0 -57.1 87 13 526.9 526.9 316.7 527.0 0.01 73 43 21854 -56.7 -87.7 1 31.0 -57.7 61 12 532.3 532.3 317.1 532.4 0.00 74 35 23173 -51.7 -85.7 1 34.0 -53.7 75 17 577.7 577.7 319.6 577.7 0.01 75 34 23361 -51.7 -85.7 1 34.0 -53.7 75 18 582.5 582.5 319.8 582.5 0.01 76 30 24170 -52.7 -85.7 1 33.0 -54.7 120 20 601.0 601.0 320.6 601.0 0.01 77 28 24616 -53.3 -86.3 1 33.0 -55.3 105 19 611.3 611.3 321.1 611.3 0.01 78 23 25896 -50.1 -85.1 1 35.0 -53.2 72 24 656.1 656.1 322.9 656.2 0.01 79 21 26491 -50.9 -85.9 1 35.0 -54.0 84 32 670.9 670.9 323.4 671.0 0.01 80 20 26810 -49.7 -85.7 1 36.0 -53.3 65 29 684.0 684.1 323.9 684.1 0.01 81 18 27503 -48.5 -85.5 1 37.0 -52.7 79 32 708.8 708.8 324.7 708.9 0.01 82 16 28287 -44.5 -84.5 0 40.0 -50.7 81 31 746.1 746.1 325.8 746.3 0.02 83 15 28721 -43.5 -83.5 0 40.0 -50.3 93 31 763.3 763.3 326.3 763.5 0.02 84 15 28721 -43.5 -83.5 0 40.0 -50.3 93 31 763.3 763.3 326.3 763.5 0.02 85 13 29682 -44.7 -83.7 1 39.0 -51.5 85 35 791.0 791.1 327.0 791.3 0.03 86 11 30804 -43.9 -83.9 0 40.0 -51.8 88 40 832.7 832.7 328.0 833.0 0.03 87 10 31450 -39.9 -80.9 0 41.0 -50.3 90 42 870.6 870.6 328.8 871.2 0.06 88 9.5 31800 -39.9 -80.9 0 41.0 -50.5 883.5 883.5 329.1 884.1 0.06 89 9.0 32172 -37.1 -79.1 0 42.0 -49.6 908.0 908.1 329.6 908.9 0.09 90 7.6 33348 -34.3 -77.3 0 43.0 -49.4 964.3 964.4 330.6 965.8 0.13 TRP 145 14355 -66.1 -78.1 17 12.0 -66.2 245 34 359.7 359.7 298.7 359.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5719.00 m Freezing level: 603.86 mb = 4337.51 m = 14230.51 ft Wetbulb zero: 606.60 mb = 4300.93 m = 14110.49 ft Precipitable water: 1.99 inches Sfc-500 mean rel hum: 91.76 % Est. max temperature: 29.08 C = 84.35 F Sfc-Lift cond lev (LCL): 987.25 mb = 222.43 m = 729.74 ft T: 21.59 C 700-500 lapse rate: 5.76 C/km ThetaE index: 5.85 C Layer 999.0- 953.0 mb Conv cond level (CCL): 833.27 mb = 1679.80 m = 5511.09 ft Mean mixing ratio: 12.16 g/kg Conv temperature: 29.66 C = 85.38 F Cap Strength: 2.24 C Lifted Index: 0.87 C Risk: Showers probable Lifted Index @300 mb: 5.80 C Lifted Index @700 mb: 1.19 C Showalter Index: -0.83 C Risk: Thunderstorms probable Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.80 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 209.80 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.82 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 53618.60 J/kg Cap Strength: 2.11 C Lift Cond Lev (LCL): 891.63 mb = 1102.98 m = 3618.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 10 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 98 300 5 4.3 -2.5 | 153 5 -2.3 4.6 1 1000 111 285 4 3.9 -1.0 | 155 7 -2.8 6.0 2 978 305 355 5 0.4 -5.0 | 109 7 -6.2 2.1 3 944 610 345 8 2.1 -7.7 | 82 5 -4.6 -0.6 4 925 787 340 10 3.4 -9.4 | 55 4 -3.3 -2.3 5 911 914 350 9 1.6 -8.9 | 71 5 -5.1 -1.8 6 879 1219 30 8 -4.0 -6.9 | 91 11 -10.7 0.2 7 850 1511 310 9 6.9 -5.8 | 190 1 0.2 1.3 8 818 1829 245 8 7.3 3.4 | 183 10 0.6 10.5 9 789 2134 250 9 8.5 3.1 | 190 10 1.8 10.2 10 761 2438 245 10 9.1 4.2 | 192 12 2.4 11.3 11 734 2743 260 15 14.8 2.6 | 220 13 8.1 9.7 12 707 3048 280 17 16.7 -3.0 | 248 11 10.1 4.1 13 700 3137 280 17 16.7 -3.0 | 248 11 10.1 4.1 14 681 3353 265 14 13.9 1.2 | 221 11 7.3 8.3 15 656 3658 265 11 11.0 1.0 | 208 9 4.3 8.0 16 631 3962 295 10 9.1 -4.2 | 220 4 2.4 2.9 17 608 4267 285 16 15.5 -4.1 | 251 9 8.8 2.9 18 563 4877 305 13 10.6 -7.5 | 275 4 4.0 -0.4 19 522 5486 295 21 19.0 -8.9 | 278 12 12.4 -1.8 20 502 5791 275 26 25.9 -2.3 | 256 20 19.2 4.8 21 500 5830 275 25 24.9 -2.2 | 255 19 18.2 4.9 22 483 6096 275 22 21.9 -1.9 | 251 16 15.2 5.2 23 446 6706 275 24 23.9 -2.1 | 254 18 17.2 5.0 24 428 7010 280 15 14.8 -2.6 | 241 9 8.1 4.5 25 411 7315 225 16 11.3 11.3 | 194 19 4.6 18.4 26 400 7530 220 16 10.3 12.3 | 191 20 3.6 19.3 27 395 7620 220 16 10.3 12.3 | 191 20 3.6 19.3 28 363 8230 225 32 22.6 22.6 | 208 34 16.0 29.7 29 321 9144 230 34 26.0 21.9 | 214 35 19.4 28.9 30 300 9630 225 39 27.6 27.6 | 211 40 20.9 34.7 31 250 10880 230 49 37.5 31.5 | 219 49 30.9 38.6 32 215 11887 230 55 42.1 35.4 | 220 55 35.5 42.4 33 200 12350 240 53 45.9 26.5 | 229 52 39.2 33.6 34 177 13106 250 51 47.9 17.4 | 239 48 41.2 24.5 35 169 13411 230 39 29.9 25.1 | 216 40 23.2 32.1 36 153 14021 230 38 29.1 24.4 | 215 39 22.4 31.5 37 150 14150 235 38 31.1 21.8 | 220 38 24.5 28.9 38 145 14355 245 34 30.8 14.4 | 228 32 24.1 21.4 39 132 14935 255 28 27.0 7.2 | 235 25 20.4 14.3 40 125 15240 230 24 18.4 15.4 | 207 25 11.7 22.5 41 113 15850 260 28 27.6 4.9 | 240 24 20.9 11.9 42 108 16154 290 35 32.9 -12.0 | 281 27 26.2 -4.9 43 103 16459 305 30 24.6 -17.2 | 300 21 17.9 -10.1 44 100 16620 275 7 7.0 -0.6 | 183 6 0.3 6.5 45 98 16764 300 20 17.3 -10.0 | 285 11 10.6 -2.9 46 93 17069 225 11 7.8 7.8 | 184 15 1.1 14.9 47 88 17374 255 13 12.6 3.4 | 209 12 5.9 10.4 48 84 17678 280 15 14.8 -2.6 | 241 9 8.1 4.5 49 80 17983 310 10 7.7 -6.4 | 236 1 1.0 0.7 50 76 18288 210 7 3.5 6.1 | 166 14 -3.2 13.1 51 73 18593 200 11 3.8 10.3 | 171 18 -2.9 17.4 52 70 18810 25 7 -3.0 -6.3 | 94 10 -9.6 0.7 53 69 18898 15 14 -3.6 -13.5 | 58 12 -10.3 -6.4 54 66 19202 30 10 -5.0 -8.7 | 82 12 -11.7 -1.6 55 54 20422 110 11 -10.3 3.8 | 123 20 -17.0 10.8 56 51 20726 45 10 -7.1 -7.1 | 90 14 -13.7 0.0 57 50 20900 60 16 -13.9 -8.0 | 87 21 -20.5 -0.9 58 49 21031 80 10 -9.8 -1.7 | 108 17 -16.5 5.3 59 47 21336 75 18 -17.4 -4.7 | 96 24 -24.1 2.4 60 45 21641 90 12 -12.0 0.0 | 111 20 -18.7 7.1 61 42 21946 50 12 -9.2 -7.7 | 88 16 -15.9 -0.6 62 40 22250 100 12 -11.8 2.1 | 116 21 -18.5 9.2 63 39 22555 95 12 -12.0 1.0 | 114 20 -18.6 8.1 64 37 22860 75 14 -13.5 -3.6 | 100 20 -20.2 3.5 65 33 23470 75 19 -18.4 -4.9 | 95 25 -25.0 2.2 66 32 23774 105 29 -28.0 7.5 | 113 38 -34.7 14.6 67 30 24170 120 20 -17.3 10.0 | 125 29 -24.0 17.1 68 29 24384 120 22 -19.1 11.0 | 125 31 -25.7 18.1 69 28 24689 100 18 -17.7 3.1 | 113 26 -24.4 10.2 70 25 25298 65 21 -19.0 -8.9 | 86 26 -25.7 -1.8 71 22 26213 75 25 -24.1 -6.5 | 91 31 -30.8 0.6 72 21 26518 85 33 -32.9 -2.9 | 96 40 -39.6 4.2 73 20 26810 65 29 -26.3 -12.3 | 81 33 -33.0 -5.2 74 19 27127 65 28 -25.4 -11.8 | 82 32 -32.1 -4.8 75 18 27432 75 31 -29.9 -8.0 | 89 37 -36.6 -0.9 76 17 27737 90 34 -34.0 0.0 | 100 41 -40.7 7.1 77 16 28346 80 31 -30.5 -5.4 | 93 37 -37.2 1.7 78 15 28956 100 31 -30.5 5.4 | 109 39 -37.2 12.5 79 14 29261 85 32 -31.9 -2.8 | 96 39 -38.6 4.3 80 13 29870 85 36 -35.9 -3.1 | 95 43 -42.5 3.9 81 10 31450 90 42 -42.0 0.0 | 98 49 -48.7 7.1 Wind Parameters Mean winds (0-6000m): 286.7 at 13.0 knts Storm direction: 316.7 at 9.7 knts Shear (0-3000m) pos: 2.0 neg: 2.6 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 48.4 neg: -20.1 tot: 28.3 m^2/s^2 ave: 9.4 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.18 Bulk Shear: 15.06 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 ------------------------------------------------------------------------------- 500 340 6 110 5| 5.8 0.0 5.8| 0.0 -9.9 -9.9 -19.7 -0.90| 7.8 -7.0 1000 346 7 90 5| 4.4 0.0 4.4| 4.4 -12.2 -7.8 -7.8 -0.40| 7.8 -3.1 1500 346 8 85 5| 2.9 3.8 6.8| 8.6 -16.1 -7.5 -5.0 -0.05| 11.1 -0.5 2000 325 8 105 2| 2.2 3.9 6.1| 10.8 -20.1 -9.3 -4.6 -0.07| 10.2 -0.7 2500 303 8 187 3| 1.2 3.1 4.3| 21.6 -20.1 1.5 0.6 0.02| 9.1 0.2 3000 290 10 211 4| 2.0 2.6 4.7| 48.4 -20.1 28.3 9.4 0.18| 9.1 1.6 4000 284 10 216 6| 2.2 2.1 4.3| 52.6 -39.8 12.9 3.2 0.08| 8.8 0.7 5000 287 11 227 5| 2.2 1.7 3.9| 59.7 -39.8 20.0 4.0 0.12| 8.2 1.0 6000 287 13 240 7| 1.8 2.2 4.0| 59.8 -73.8 -14.1 -2.3 0.01| 8.4 0.1 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250702.12.gif