UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060712.upa.cvt Date: 1200Z 7 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 7 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 74 190 2 SFC 998 98 20.0 19.2 95 0.8 19.5 190 2 293.3 295.8 292.7 333.6 14.17 2 996 115 20.4 19.7 96 0.7 19.9 201 2 293.9 296.5 293.2 335.7 14.66 3 976 290 21.2 18.3 84 2.9 19.2 310 7 296.4 298.9 293.3 335.8 13.68 4 953 494 20.0 18.2 89 1.8 18.8 317 11 297.2 299.7 293.7 337.5 13.93 5 947 549 20.6 17.9 85 2.7 18.8 316 13 298.4 300.9 293.9 338.3 13.75 6 932 685 19.8 17.5 87 2.3 18.2 318 13 298.9 301.4 294.0 338.6 13.62 7 930 704 19.8 17.6 87 2.2 18.3 318 13 299.1 301.6 294.1 339.2 13.74 8 925 750 19.4 17.6 89 1.8 18.2 320 13 299.1 301.7 294.2 339.5 13.82 9 871 1266 16.2 15.0 93 1.2 15.4 316 11 301.0 303.3 293.7 337.5 12.41 10 850 1474 15.0 13.4 90 1.6 14.0 300 9 301.9 304.0 293.2 335.7 11.44 11 842 1554 14.6 12.4 87 2.2 13.2 293 9 302.3 304.2 292.9 334.2 10.81 12 816 1819 12.6 11.7 94 0.9 12.0 271 7 302.9 304.8 292.9 334.5 10.65 13 805 1933 12.2 10.1 87 2.1 10.9 262 7 303.6 305.4 292.4 332.5 9.69 14 757 2446 8.4 8.4 100 0.0 8.4 230 14 304.9 306.6 292.4 332.4 9.18 15 749 2534 8.2 4.8 79 3.4 6.3 231 15 305.6 306.9 291.0 327.4 7.22 16 747 2557 8.2 4.8 79 3.4 6.3 232 15 305.8 307.2 291.1 327.7 7.24 17 732 2724 6.6 5.5 93 1.1 6.0 235 18 305.9 307.3 291.5 329.3 7.76 18 727 2781 6.4 5.9 97 0.5 6.1 235 19 306.2 307.7 291.9 330.6 8.04 19 709 2986 5.2 5.2 100 0.0 5.2 235 24 307.1 308.6 292.0 331.0 7.85 20 700 3091 4.4 4.4 100 0.0 4.4 235 27 307.4 308.8 291.7 330.2 7.51 21 635 3881 0.2 0.2 100 0.0 0.2 250 30 311.3 312.4 291.8 330.3 6.13 22 542 5140 -5.9 -5.9 100 0.0 -5.9 250 36 318.4 319.3 292.6 333.1 4.55 23 541 5155 -5.5 -5.7 98 0.2 -5.6 250 37 319.1 320.0 292.8 334.0 4.63 24 523 5420 -7.5 -7.5 100 0.0 -7.5 248 34 319.8 320.6 292.6 333.3 4.16 25 522 5435 -7.5 -8.2 95 0.7 -7.8 248 34 319.9 320.7 292.5 332.8 3.95 26 519 5480 -7.7 -8.4 95 0.7 -8.0 248 34 320.2 321.0 292.5 333.0 3.91 27 517 5510 -8.1 -8.8 95 0.7 -8.4 247 33 320.1 320.8 292.4 332.5 3.80 28 500 5770 -9.9 -9.9 100 0.0 -9.9 245 30 321.0 321.7 292.5 332.8 3.61 29 487 5973 -10.9 -10.9 100 0.0 -10.9 249 32 322.2 322.8 292.7 333.5 3.42 30 472 6212 -12.5 -12.6 99 0.1 -12.5 255 33 323.1 323.7 292.6 333.3 3.08 31 470 6245 -11.9 -12.5 95 0.6 -12.1 255 33 324.2 324.8 293.0 334.7 3.12 32 434 6850 -15.9 -17.4 88 1.5 -16.4 255 30 326.6 327.1 292.9 334.3 2.25 33 423 7043 -17.3 -18.2 93 0.9 -17.6 255 30 327.2 327.7 293.0 334.7 2.16 34 420 7097 -17.7 -19.1 89 1.4 -18.1 255 31 327.4 327.8 292.9 334.3 2.01 35 418 7132 -17.9 -26.9 45 9.0 -20.1 255 32 327.6 327.8 292.0 331.2 1.01 36 411 7258 -18.9 -34.9 23 16.0 -21.8 255 35 327.9 328.0 291.6 329.6 0.48 37 400 7460 -20.1 -39.1 17 19.0 -23.1 255 40 328.9 328.9 291.7 330.1 0.32 38 385 7742 -22.1 -49.1 7 27.0 -25.2 255 44 329.9 329.9 291.8 330.3 0.11 39 326 8945 -30.9 -49.9 14 19.0 -32.6 251 53 333.8 333.8 292.9 334.3 0.12 40 308 9346 -34.1 -54.1 11 20.0 -35.5 250 57 334.8 334.8 293.1 335.1 0.08 41 300 9530 -34.9 -56.9 9 22.0 -36.2 250 60 336.2 336.2 293.4 336.4 0.06 42 252 10717 -43.5 -66.5 6 23.0 -44.2 255 66 340.6 340.6 294.5 340.7 0.02 43 250 10770 -43.7 -66.7 6 23.0 -44.4 255 66 341.1 341.1 294.6 341.2 0.02 44 246 10879 -44.7 -64.7 9 20.0 -45.3 255 67 341.2 341.2 294.6 341.3 0.03 45 236 11156 -46.5 -63.5 13 17.0 -47.0 255 70 342.5 342.5 295.0 342.7 0.03 46 231 11298 -47.5 -68.5 7 21.0 -48.0 255 71 343.1 343.1 295.1 343.2 0.02 47 223 11531 -49.1 -68.8 8 19.8 -49.5 255 73 344.2 344.2 295.3 344.3 0.02 48 200 12240 -53.9 -69.9 12 16.0 -54.2 260 68 347.4 347.4 296.1 347.5 0.02 49 189 12600 -56.1 -71.1 14 15.0 -56.3 265 68 349.5 349.5 296.5 349.6 0.01 50 186 12701 -56.5 -72.5 12 16.0 -56.7 266 68 350.5 350.5 296.7 350.5 0.01 51 168 13342 -58.3 -77.3 7 19.0 -58.5 275 67 357.8 357.8 298.2 357.9 0.01 52 166 13417 -57.7 -77.7 6 20.0 -57.9 276 67 360.1 360.1 298.7 360.1 0.01 53 162 13570 -58.9 -77.9 7 19.0 -59.1 278 67 360.6 360.6 298.8 360.6 0.01 54 150 14050 -60.5 -79.5 7 19.0 -60.7 270 49 365.9 365.9 299.8 365.9 0.00 55 142 14391 -61.7 -79.7 7 18.0 -61.9 263 52 369.5 369.5 300.5 369.6 0.00 56 141 14435 -61.5 -79.5 7 18.0 -61.7 264 53 370.6 370.6 300.7 370.7 0.01 57 135 14704 -63.1 -80.1 8 17.0 -63.3 275 58 372.4 372.4 301.0 372.5 0.00 58 127 15081 -62.5 -82.5 5 20.0 -62.7 282 61 380.1 380.1 302.3 380.1 0.00 59 115 15692 -63.9 -83.9 5 20.0 -64.1 281 37 388.4 388.4 303.6 388.4 0.00 60 109 16022 -62.9 -83.9 4 21.0 -63.1 288 30 396.3 396.3 304.7 396.3 0.00 61 100 16550 -65.5 -85.5 5 20.0 -65.7 255 33 401.2 401.2 305.3 401.2 0.00 62 93 16988 -67.9 -85.9 6 18.0 -68.0 262 40 404.9 404.9 305.9 404.9 0.00 63 88 17320 -67.9 -86.9 5 19.0 -68.0 276 36 411.3 411.3 306.7 411.3 0.00 64 82 17747 -64.5 -85.5 4 21.0 -64.7 285 25 426.6 426.6 308.4 426.7 0.00 65 79 17974 -65.5 -86.5 4 21.0 -65.7 270 24 429.2 429.2 308.7 429.2 0.00 66 77 18130 -65.1 -87.1 3 22.0 -65.3 280 28 433.1 433.1 309.1 433.2 0.00 67 74 18374 -60.7 -85.7 2 25.0 -61.0 292 27 447.4 447.4 310.6 447.4 0.00 68 72 18545 -60.1 -84.1 3 24.0 -60.5 294 19 452.2 452.2 311.1 452.2 0.00 69 70 18720 -60.9 -83.9 3 23.0 -61.3 270 6 454.1 454.1 311.3 454.1 0.00 70 62 19475 -61.3 -85.3 3 24.0 -61.7 324 11 469.3 469.3 312.5 469.3 0.00 71 59 19785 -58.9 -84.9 2 26.0 -59.5 316 11 481.3 481.3 313.5 481.4 0.00 72 50 20830 -57.1 -83.1 2 26.0 -57.9 100 5 508.9 508.9 315.6 509.0 0.01 73 45 21496 -57.9 -83.9 2 26.0 -58.7 51 7 522.5 522.5 316.5 522.6 0.01 74 42 21931 -57.9 -84.9 2 27.0 -58.7 71 11 533.0 533.0 317.1 533.0 0.01 75 40 22240 -56.1 -84.1 2 28.0 -57.2 119 11 545.0 545.0 317.8 545.0 0.01 76 37 22734 -57.5 -84.5 2 27.0 -58.5 65 11 553.7 553.7 318.3 553.7 0.01 77 32 23655 -55.5 -84.5 2 29.0 -56.9 98 17 582.5 582.5 319.8 582.5 0.01 78 30 24070 -52.1 -82.1 2 30.0 -54.2 105 11 602.6 602.6 320.7 602.7 0.02 79 27 24750 -52.5 -82.5 1 30.0 -54.7 112 10 619.9 619.9 321.5 620.0 0.02 80 25 25248 -50.7 -81.7 1 31.0 -53.5 130 11 638.9 638.9 322.3 639.0 0.02 81 23 25789 -51.7 -82.7 1 31.0 -54.4 78 8 651.4 651.4 322.7 651.5 0.02 82 20 26700 -48.7 -81.7 1 33.0 -52.5 80 13 687.1 687.1 324.0 687.3 0.03 83 15 28615 -44.3 -79.3 1 35.0 -50.7 110 20 760.7 760.7 326.3 761.1 0.05 84 15 28615 -44.5 -79.5 1 35.0 -50.8 110 20 760.0 760.0 326.2 760.4 0.05 85 13 29584 -40.5 -78.5 1 38.0 -49.3 136 17 805.6 805.6 327.4 806.2 0.07 86 12 30131 -39.5 -78.5 1 39.0 -49.1 145 13 827.8 827.8 327.9 828.5 0.07 87 11 30727 -40.3 -79.3 1 39.0 -50.0 110 15 845.7 845.8 328.3 846.4 0.07 88 10 31380 -38.9 -78.9 1 40.0 -49.8 70 18 874.3 874.4 328.9 875.2 0.08 89 9.4 31804 -39.9 -79.9 1 40.0 -50.5 886.1 886.2 329.2 886.9 0.07 90 7.5 33364 -34.5 -77.5 0 43.0 -49.5 967.2 967.2 330.7 968.7 0.13 TRP 135 14704 -63.1 -80.1 8 17.0 -63.3 275 58 372.4 372.4 301.0 372.5 0.00 WND 223 11531 -49.1 -68.8 8 19.8 -49.5 255 73 344.2 344.2 295.3 344.3 0.02 Sounding variables and indices 1000-500 mb thick: 5696.00 m Freezing level: 631.95 mb = 3922.40 m = 12868.60 ft Wetbulb zero: 632.02 mb = 3918.57 m = 12856.05 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 95.16 % Est. max temperature: 28.64 C = 83.54 F Sfc-Lift cond lev (LCL): 986.62 mb = 196.47 m = 644.59 ft T: 20.77 C 700-500 lapse rate: 5.34 C/km ThetaE index: 7.03 C Layer 805.0- 747.0 mb Conv cond level (CCL): 880.70 mb = 1171.12 m = 3842.22 ft Mean mixing ratio: 13.77 g/kg Conv temperature: 27.34 C = 81.22 F Cap Strength: 1.59 C Lifted Index: -2.13 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.59 C Lifted Index @700 mb: -2.53 C Showalter Index: -1.25 C Risk: Thunderstorms probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 23.30 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 208.80 Risk: None Energy Index: -0.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 447.75 J/kg Max Up Vert Vel: 29.92 m/s Conv Inhibition (B-): 34.34 J/kg Cap Strength: 1.59 C Lift Cond Lev (LCL): 919.40 mb = 802.08 m = 2631.46 ft Lev Free Conv (LFC): 824.40 mb = 1732.60 m = 5684.31 ft Equ Level (EL): 304.40 mb = 9428.06 m = 30931.59 ft B at Equ Level: 445.97 J/kg Max Parcel Lev (MPL): 194.40 mb = 12420.64 m = 40749.63 ft Wind level data Storm motion: 284 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 ---------------------------------------------------------- 0 998 98 190 2 0.3 2.0 | 111 17 -15.6 6.0 1 974 305 320 7 4.5 -5.4 | 83 12 -11.5 -1.4 2 940 610 315 14 9.9 -9.9 | 46 8 -6.1 -5.9 3 925 750 320 13 8.4 -10.0 | 52 10 -7.6 -6.0 4 907 914 330 13 6.5 -11.3 | 53 12 -9.5 -7.3 5 876 1219 320 12 7.7 -9.2 | 58 10 -8.3 -5.2 6 850 1474 300 9 7.8 -4.5 | 86 8 -8.2 -0.5 7 815 1829 270 7 7.0 -0.0 | 114 10 -9.0 4.0 8 785 2134 245 8 7.3 3.4 | 130 11 -8.7 7.4 9 757 2438 230 14 10.7 9.0 | 158 14 -5.3 13.0 10 730 2743 235 18 14.7 10.3 | 175 14 -1.2 14.3 11 700 3091 235 27 22.1 15.5 | 197 20 6.1 19.5 12 652 3658 245 31 28.1 13.1 | 215 21 12.1 17.1 13 604 4267 260 28 27.6 4.9 | 233 15 11.6 8.8 14 559 4877 250 34 31.9 11.6 | 226 22 16.0 15.6 15 538 5182 250 37 34.8 12.7 | 228 25 18.8 16.6 16 500 5770 245 30 27.2 12.7 | 214 20 11.2 16.7 17 499 5791 240 29 25.1 14.5 | 206 21 9.1 18.5 18 479 6096 255 34 32.8 8.8 | 233 21 16.8 12.8 19 424 7010 255 29 28.0 7.5 | 226 17 12.0 11.5 20 400 7460 255 40 38.6 10.4 | 238 27 22.6 14.3 21 391 7620 255 41 39.6 10.6 | 238 28 23.6 14.6 22 375 7925 255 49 47.3 12.7 | 242 35 31.3 16.7 23 317 9144 250 54 50.7 18.5 | 237 41 34.7 22.5 24 300 9530 250 60 56.4 20.5 | 239 47 40.4 24.5 25 250 10770 255 66 63.8 17.1 | 246 52 47.8 21.1 26 223 11531 255 73 70.5 18.9 | 247 59 54.5 22.9 27 221 11582 255 73 70.5 18.9 | 247 59 54.5 22.9 28 200 12240 260 68 67.0 11.8 | 253 53 51.0 15.8 29 158 13716 280 67 66.0 -11.6 | 279 51 50.0 -7.6 30 150 14050 270 49 49.0 -0.0 | 263 33 33.0 4.0 31 143 14326 260 51 50.2 8.9 | 249 37 34.2 12.8 32 135 14704 275 58 57.8 -5.1 | 271 42 41.8 -1.1 33 130 14935 280 64 63.0 -11.1 | 279 48 47.0 -7.1 34 124 15240 285 58 56.0 -15.0 | 285 42 40.0 -11.0 35 112 15850 280 30 29.5 -5.2 | 275 14 13.5 -1.2 36 107 16154 295 30 27.2 -12.7 | 308 14 11.2 -8.7 37 101 16459 270 23 23.0 -0.0 | 240 8 7.0 4.0 38 100 16550 255 33 31.9 8.5 | 232 20 15.9 12.5 39 97 16764 255 33 31.9 8.5 | 232 20 15.9 12.5 40 92 17069 265 43 42.8 3.7 | 254 28 26.8 7.7 41 83 17678 290 26 24.4 -8.9 | 300 10 8.4 -4.9 42 79 17983 270 24 24.0 -0.0 | 244 9 8.0 4.0 43 75 18288 290 31 29.1 -10.6 | 297 15 13.1 -6.6 44 71 18593 295 17 15.4 -7.2 | 10 3 -0.6 -3.2 45 70 18720 270 6 6.0 -0.0 | 112 11 -10.0 4.0 46 68 18898 340 10 3.4 -9.4 | 67 14 -12.6 -5.4 47 59 19812 315 11 7.8 -7.8 | 65 9 -8.2 -3.8 48 50 20830 100 5 -4.9 0.9 | 103 21 -20.9 4.9 49 46 21336 80 2 -2.0 -0.3 | 101 18 -18.0 3.6 50 44 21641 25 11 -4.6 -10.0 | 74 21 -20.6 -6.0 51 40 22250 120 11 -9.5 5.5 | 110 27 -25.5 9.5 52 38 22555 65 10 -9.1 -4.2 | 89 25 -25.1 -0.2 53 36 22860 65 12 -10.9 -5.1 | 88 27 -26.9 -1.1 54 35 23165 95 17 -16.9 1.5 | 99 33 -32.9 5.5 55 33 23470 95 13 -13.0 1.1 | 100 29 -28.9 5.1 56 31 23774 100 20 -19.7 3.5 | 102 36 -35.7 7.5 57 30 24070 105 11 -10.6 2.8 | 104 27 -26.6 6.8 58 30 24079 120 10 -8.7 5.0 | 110 26 -24.7 9.0 59 29 24384 105 11 -10.6 2.8 | 104 27 -26.6 6.8 60 27 24689 115 10 -9.1 4.2 | 108 26 -25.1 8.2 61 26 24994 100 10 -9.8 1.7 | 102 26 -25.8 5.7 62 25 25298 135 11 -7.8 7.8 | 116 27 -23.8 11.8 63 24 25603 100 4 -3.9 0.7 | 103 20 -19.9 4.7 64 23 25908 65 10 -9.1 -4.2 | 89 25 -25.1 -0.2 65 21 26518 90 13 -13.0 0.0 | 98 29 -29.0 4.0 66 20 26700 80 13 -12.8 -2.3 | 93 29 -28.8 1.7 67 19 27127 80 13 -12.8 -2.3 | 93 29 -28.8 1.7 68 18 27432 95 13 -13.0 1.1 | 100 29 -28.9 5.1 69 17 27737 105 15 -14.5 3.9 | 104 31 -30.5 7.9 70 16 28042 85 17 -16.9 -1.5 | 94 33 -32.9 2.5 71 16 28346 105 23 -22.2 6.0 | 105 39 -38.2 9.9 72 15 28651 110 20 -18.8 6.8 | 107 36 -34.8 10.8 73 14 29261 125 21 -17.2 12.0 | 116 37 -33.2 16.0 74 13 29566 135 17 -12.0 12.0 | 120 32 -28.0 16.0 75 12 30175 145 13 -7.5 10.6 | 122 28 -23.5 14.6 76 10 31380 70 18 -16.9 -6.2 | 86 33 -32.9 -2.2 Wind Parameters Mean winds (0-6000m): 254.0 at 22.0 knts Storm direction: 284.0 at 16.5 knts Shear (0-3000m) pos: 3.0 neg: 3.5 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 86.8 deg Storm rel helicity (0-3000m) pos: 99.9 neg: -35.1 tot: 64.8 m^2/s^2 ave: 21.6 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.1 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 9.00 Bulk Shear: 49.75 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 ------------------------------------------------------------------------------- 500 315 8 81 10| 15.4 0.0 15.4| 3.3 -35.1 -31.7 -63.5 -0.68| 17.7-12.0 1000 320 10 66 10| 7.1 0.0 7.1| 7.0 -35.1 -28.1 -28.1 -0.47| 11.2 -5.3 1500 317 10 67 10| 4.8 2.5 7.2| 21.7 -35.1 -13.4 -8.9 -0.13| 10.0 -1.3 2000 308 10 76 9| 3.6 3.3 6.9| 34.5 -35.1 -0.6 -0.3 0.03| 9.0 0.3 2500 292 10 92 7| 2.9 4.2 7.1| 62.2 -35.1 27.1 10.8 0.22| 9.1 2.0 3000 273 12 131 5| 3.0 3.5 6.5| 99.9 -35.1 64.8 21.6 0.33| 9.5 3.1 4000 258 17 181 7| 3.4 2.6 6.1|153.5 -35.1 118.4 29.6 0.42| 8.7 3.7 5000 256 20 200 9| 2.7 2.8 5.6|163.9 -45.5 118.3 23.7 0.36| 8.1 2.9 6000 254 22 207 11| 2.7 2.3 5.0|216.5 -92.3 124.2 20.7 0.30| 8.5 2.6 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250607.12.gif