UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062812.upa.cvt Date: 1200Z 28 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 28 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 1009 98 22.2 21.9 98 0.3 22.0 95 3 294.6 297.6 294.8 342.1 16.62 1 1000 162 21.0 20.8 99 0.2 20.9 105 3 294.1 297.0 294.0 338.8 15.65 2 996 197 20.6 20.5 99 0.1 20.5 117 3 294.1 296.8 293.9 338.1 15.42 3 943 670 18.6 18.6 100 0.0 18.6 232 9 296.7 299.3 293.9 338.4 14.45 4 929 800 19.2 17.1 88 2.1 17.8 246 9 298.6 301.0 293.7 337.3 13.32 5 926 828 19.6 18.0 90 1.6 18.5 249 9 299.3 301.8 294.4 340.6 14.16 6 925 837 19.6 17.7 89 1.9 18.3 250 9 299.4 301.9 294.3 340.0 13.91 7 908 998 20.4 17.1 81 3.3 18.1 263 13 301.8 304.3 294.8 342.0 13.63 8 901 1065 20.6 18.2 86 2.4 18.9 265 13 302.6 305.4 295.8 346.3 14.75 9 896 1113 21.2 17.4 79 3.8 18.6 267 13 303.7 306.3 295.7 345.6 14.09 10 867 1398 19.6 17.0 85 2.6 17.8 285 12 304.9 307.6 296.0 347.4 14.20 11 850 1569 18.6 15.2 81 3.4 16.3 295 12 305.6 308.0 295.3 344.2 12.89 12 820 1877 17.0 11.0 68 6.0 13.1 309 13 307.1 309.0 293.7 337.6 10.11 13 794 2151 14.6 11.2 80 3.4 12.4 305 15 307.4 309.4 294.1 339.4 10.58 14 791 2183 14.6 8.6 67 6.0 10.9 304 15 307.7 309.4 293.0 334.7 8.90 15 772 2389 13.0 8.0 72 5.0 9.9 297 14 308.1 309.8 293.0 334.8 8.75 16 767 2443 12.6 8.9 78 3.7 10.3 295 14 308.3 310.0 293.5 336.8 9.37 17 764 2476 12.4 7.8 73 4.6 9.6 292 14 308.4 310.0 293.0 335.0 8.73 18 761 2509 12.2 8.8 80 3.4 10.1 289 14 308.5 310.3 293.6 337.1 9.39 19 754 2587 12.0 7.0 71 5.0 9.0 281 15 309.1 310.7 293.0 334.7 8.37 20 739 2755 10.8 7.0 77 3.8 8.5 265 16 309.6 311.2 293.3 335.7 8.54 21 732 2835 10.8 4.8 66 6.0 7.3 261 16 310.5 311.8 292.6 333.2 7.39 22 729 2869 10.4 6.8 78 3.6 8.2 260 16 310.4 312.0 293.4 336.6 8.54 23 724 2927 10.4 5.4 71 5.0 7.5 257 16 311.0 312.5 293.0 335.0 7.79 24 708 3113 9.2 5.7 79 3.5 7.1 249 15 311.7 313.2 293.5 336.8 8.14 25 700 3207 8.8 4.9 76 3.9 6.5 245 15 312.2 313.7 293.4 336.4 7.78 26 699 3219 8.8 4.5 74 4.3 6.3 245 15 312.4 313.8 293.3 335.9 7.58 27 689 3338 8.2 2.2 66 6.0 4.8 244 16 313.0 314.2 292.6 333.4 6.52 28 652 3791 4.6 1.2 79 3.4 2.7 237 18 313.9 315.1 292.8 334.0 6.42 29 632 4044 3.0 -0.5 78 3.5 1.1 231 16 314.9 316.0 292.6 333.3 5.85 30 626 4121 3.0 -1.5 72 4.5 0.7 229 15 315.7 316.8 292.6 333.1 5.48 31 593 4558 0.4 -1.8 85 2.2 -0.7 225 17 317.6 318.7 293.3 335.7 5.66 32 589 4613 0.4 -2.6 80 3.0 -1.2 225 18 318.3 319.3 293.2 335.5 5.37 33 588 4626 0.2 -4.3 72 4.5 -2.0 225 18 318.2 319.1 292.6 333.4 4.73 34 585 4667 0.4 -7.6 55 8.0 -3.3 225 18 318.9 319.6 292.0 330.9 3.69 35 583 4695 0.0 -7.0 59 7.0 -3.3 225 19 318.7 319.5 292.1 331.3 3.88 36 582 4709 0.0 -8.0 55 8.0 -3.6 225 19 318.9 319.6 291.9 330.6 3.60 37 578 4764 -0.5 -6.5 64 6.0 -3.3 225 19 318.9 319.7 292.3 332.1 4.07 38 576 4792 -0.7 -4.5 75 3.8 -2.6 225 20 319.0 319.9 292.9 334.4 4.76 39 573 4833 -0.7 -7.7 59 7.0 -3.9 225 20 319.5 320.2 292.2 331.7 3.74 40 572 4847 -0.7 -8.7 55 8.0 -4.3 225 20 319.6 320.3 292.0 331.0 3.46 41 570 4875 -0.7 -8.7 55 8.0 -4.3 225 21 320.0 320.6 292.1 331.4 3.48 42 563 4974 -1.5 -4.0 83 2.5 -2.7 229 21 320.2 321.1 293.4 336.5 5.06 43 552 5131 -2.1 -6.5 72 4.4 -4.2 237 22 321.3 322.1 293.1 335.2 4.26 44 549 5174 -2.3 -6.2 75 3.9 -4.1 239 22 321.5 322.4 293.3 335.9 4.39 45 534 5394 -4.1 -6.0 87 1.9 -5.0 237 23 321.9 322.8 293.6 336.9 4.58 46 501 5894 -7.3 -9.4 85 2.1 -8.2 239 19 324.0 324.7 293.4 336.4 3.75 47 500 5910 -7.5 -10.2 81 2.7 -8.7 240 19 323.9 324.6 293.2 335.6 3.52 48 498 5941 -7.7 -9.3 88 1.6 -8.4 241 19 324.0 324.8 293.5 336.6 3.80 49 495 5989 -7.9 -10.1 84 2.2 -8.8 242 19 324.3 325.0 293.4 336.3 3.59 50 494 6004 -7.9 -12.3 71 4.4 -9.7 242 19 324.5 325.1 293.0 334.6 3.01 51 489 6084 -8.1 -11.4 77 3.3 -9.5 245 20 325.2 325.9 293.4 336.2 3.27 52 485 6148 -8.3 -12.6 71 4.3 -10.0 246 20 325.7 326.3 293.3 335.8 2.99 53 470 6392 -10.7 -11.8 92 1.1 -11.2 250 20 325.7 326.4 293.5 336.8 3.30 54 400 7620 -17.9 -19.8 85 1.9 -18.5 240 19 331.7 332.1 294.0 338.7 1.99 55 300 9710 -32.5 -36.9 65 4.4 -33.1 250 13 339.6 339.7 294.7 341.6 0.54 56 250 10970 -41.9 -61.9 10 20.0 -42.8 220 24 343.8 343.8 295.3 343.9 0.04 57 200 12440 -53.3 -72.3 8 19.0 -53.6 220 25 348.4 348.4 296.3 348.4 0.01 58 150 14240 -66.7 -74.7 32 8.0 -66.8 220 28 355.2 355.2 297.7 355.2 0.01 59 131 15054 -70.7 -75.7 48 5.0 -70.7 210 23 362.1 362.1 299.1 362.1 0.01 60 100 16670 -68.3 -85.3 7 17.0 -68.4 325 6 395.8 395.8 304.6 395.8 0.00 61 90 17306 -64.5 -86.5 3 22.0 -64.7 257 18 415.4 415.4 307.2 415.4 0.00 62 87 17511 -65.9 -87.9 3 22.0 -66.1 273 17 416.7 416.7 307.3 416.7 0.00 63 75 18412 -64.9 -87.9 3 23.0 -65.1 94 5 436.8 436.8 309.6 436.8 0.00 64 72 18659 -66.1 -88.1 3 22.0 -66.3 32 6 439.4 439.4 309.8 439.4 0.00 65 70 18830 -65.3 -88.3 3 23.0 -65.5 350 6 444.7 444.7 310.3 444.7 0.00 66 65 19283 -63.7 -88.7 2 25.0 -64.0 358 13 457.7 457.7 311.5 457.7 0.00 67 61 19672 -64.7 -88.7 2 24.0 -65.0 36 18 463.9 463.9 312.1 463.9 0.00 68 50 20910 -56.9 -86.9 1 30.0 -57.7 65 16 509.4 509.4 315.6 509.4 0.00 69 48 21169 -55.9 -85.9 1 30.0 -56.9 66 15 517.8 517.8 316.2 517.8 0.01 70 36 23007 -53.9 -84.9 1 31.0 -55.4 50 12 567.3 567.3 319.0 567.4 0.01 71 32 23762 -54.3 -85.3 1 31.0 -55.9 45 11 585.7 585.7 319.9 585.8 0.01 72 30 24180 -49.9 -83.9 1 34.0 -52.5 80 18 608.6 608.6 321.0 608.7 0.01 73 29 24401 -49.5 -83.5 1 34.0 -52.2 71 11 615.6 615.6 321.3 615.7 0.01 74 23 25907 -51.9 -83.9 1 32.0 -54.5 107 18 650.8 650.8 322.7 650.9 0.02 75 20 26820 -47.3 -83.3 1 36.0 -51.7 105 17 691.4 691.4 324.1 691.5 0.02 76 18 27522 -46.1 -82.1 1 36.0 -51.2 86 16 716.3 716.3 325.0 716.5 0.03 77 17 27903 -47.1 -83.1 1 36.0 -52.0 71 19 724.9 724.9 325.2 725.1 0.02 78 14 29199 -45.3 -82.3 1 37.0 -51.5 109 31 772.4 772.4 326.5 772.7 0.03 79 12 30239 -41.7 -80.7 1 39.0 -50.3 114 26 820.0 820.0 327.7 820.5 0.05 80 11 30829 -42.5 -81.5 1 39.0 -51.0 110 29 837.8 837.8 328.1 838.2 0.05 81 10 31480 -38.9 -80.9 0 42.0 -49.8 105 31 874.3 874.4 328.9 874.9 0.06 82 8.9 32276 -40.7 -81.7 0 41.0 -51.1 97 32 897.0 897.1 329.4 897.6 0.06 83 7.0 33930 -35.1 -78.1 0 43.0 -50.1 80 35 983.9 984.0 330.9 985.4 0.13 84 6.7 34236 -33.5 -77.5 0 44.0 -49.8 1003.0 1003.1 331.2 1004.8 0.15 TRP 131 15054 -70.7 -75.7 48 5.0 -70.7 210 23 362.1 362.1 299.1 362.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5748.00 m Freezing level: 582.00 mb = 4708.61 m = 15448.01 ft Wetbulb zero: 610.41 mb = 4324.92 m = 14189.19 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 79.25 % Est. max temperature: 32.90 C = 91.22 F Sfc-Lift cond lev (LCL): 1004.98 mb = 126.51 m = 415.05 ft T: 21.67 C 700-500 lapse rate: 6.03 C/km ThetaE index: 9.72 C Layer 850.0- 794.0 mb Conv cond level (CCL): 955.01 mb = 560.87 m = 1840.11 ft Mean mixing ratio: 14.67 g/kg Conv temperature: 23.69 C = 74.65 F Cap Strength: 4.31 C Lifted Index: -0.25 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.23 C Lifted Index @700 mb: 1.46 C Showalter Index: -2.42 C Risk: Severe thunderstorms possible Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 22.70 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 225.40 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.04 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 248.91 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 948.52 mb = 619.94 m = 2033.89 ft Lev Free Conv (LFC): 513.52 mb = 5700.77 m = 18703.08 ft Equ Level (EL): 483.52 mb = 6171.57 m = 20247.69 ft B at Equ Level: 27.80 J/kg Max Parcel Lev (MPL): 343.52 mb = 8725.93 m = 28628.02 ft Wind level data Storm motion: 278 at 12 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 1009 98 95 3 -3.0 0.3 | 98 15 -14.5 1.9 1 1000 162 105 3 -2.9 0.8 | 100 15 -14.4 2.5 2 984 305 155 5 -2.1 4.5 | 115 15 -13.6 6.2 3 950 610 225 9 6.4 6.4 | 148 10 -5.1 8.1 4 925 837 250 9 8.5 3.1 | 148 6 -3.0 4.8 5 917 914 260 13 12.8 2.3 | 199 4 1.3 3.9 6 885 1219 270 13 13.0 -0.0 | 222 2 1.5 1.7 7 854 1524 295 11 10.0 -4.6 | 27 3 -1.5 -3.0 8 850 1569 295 12 10.9 -5.1 | 10 3 -0.6 -3.4 9 824 1829 310 13 10.0 -8.4 | 13 7 -1.5 -6.7 10 795 2134 305 15 12.3 -8.6 | 353 7 0.8 -6.9 11 767 2438 295 14 12.7 -5.9 | 344 4 1.2 -4.2 12 740 2743 265 16 15.9 1.4 | 235 5 4.5 3.1 13 700 3207 245 15 13.6 6.3 | 195 8 2.1 8.0 14 662 3658 240 19 16.5 9.5 | 204 12 5.0 11.2 15 613 4267 225 14 9.9 9.9 | 172 12 -1.6 11.6 16 569 4877 225 21 14.8 14.8 | 192 17 3.4 16.5 17 547 5182 240 22 19.1 11.0 | 211 15 7.6 12.7 18 527 5486 235 23 18.8 13.2 | 206 17 7.4 14.9 19 507 5791 230 21 16.1 13.5 | 197 16 4.6 15.2 20 500 5910 240 19 16.5 9.5 | 204 12 5.0 11.2 21 488 6096 245 20 18.1 8.5 | 213 12 6.7 10.1 22 451 6706 255 19 18.4 4.9 | 226 10 6.9 6.6 23 400 7620 240 19 16.5 9.5 | 204 12 5.0 11.2 24 400 7620 235 19 15.6 10.9 | 198 13 4.1 12.6 25 384 7925 240 20 17.3 10.0 | 207 13 5.8 11.7 26 368 8230 225 20 14.1 14.1 | 190 16 2.7 15.8 27 338 8839 250 16 15.0 5.5 | 206 8 3.6 7.2 28 324 9144 240 16 13.9 8.0 | 194 10 2.4 9.7 29 300 9710 250 13 12.2 4.4 | 187 6 0.7 6.1 30 285 10058 250 10 9.4 3.4 | 158 6 -2.1 5.1 31 273 10363 235 8 6.6 4.6 | 142 8 -4.9 6.3 32 261 10668 230 13 10.0 8.4 | 171 10 -1.5 10.0 33 250 10970 220 24 15.4 18.4 | 191 20 4.0 20.1 34 250 10973 220 20 12.9 15.3 | 185 17 1.4 17.0 35 228 11582 230 27 20.7 17.4 | 206 21 9.2 19.0 36 208 12192 210 26 13.0 22.5 | 184 24 1.5 24.2 37 200 12440 220 25 16.1 19.2 | 192 21 4.6 20.8 38 150 14240 220 28 18.0 21.4 | 196 24 6.5 23.1 39 148 14326 220 29 18.6 22.2 | 197 25 7.2 23.9 40 141 14630 225 22 15.6 15.6 | 193 18 4.1 17.2 41 134 14935 200 25 8.6 23.5 | 173 25 -2.9 25.2 42 131 15054 210 23 11.5 19.9 | 180 22 0.0 21.6 43 127 15240 205 24 10.1 21.8 | 177 23 -1.3 23.4 44 121 15545 215 17 9.8 13.9 | 174 16 -1.7 15.6 45 115 15850 190 18 3.1 17.7 | 157 21 -8.3 19.4 46 109 16154 250 17 16.0 5.8 | 211 9 4.5 7.5 47 100 16670 325 6 3.4 -4.9 | 68 9 -8.0 -3.2 48 98 16764 260 10 9.8 1.7 | 155 4 -1.6 3.4 49 94 17069 265 12 12.0 1.0 | 190 3 0.5 2.7 50 89 17374 255 20 19.3 5.2 | 229 10 7.8 6.9 51 85 17678 295 14 12.7 -5.9 | 344 4 1.2 -4.2 52 81 17983 315 10 7.1 -7.1 | 39 7 -4.4 -5.4 53 77 18288 125 5 -4.1 2.9 | 106 16 -15.6 4.6 54 70 18830 350 6 1.0 -5.9 | 68 11 -10.4 -4.2 55 69 18898 0 0 -0.0 -0.0 | 98 12 -11.5 1.7 56 66 19202 355 10 0.9 -10.0 | 52 13 -10.6 -8.3 57 63 19507 5 19 -1.7 -18.9 | 37 22 -13.1 -17.2 58 60 19812 60 17 -14.7 -8.5 | 75 27 -26.2 -6.8 59 57 20117 55 22 -18.0 -12.6 | 70 31 -29.5 -10.9 60 54 20422 65 24 -21.8 -10.1 | 76 34 -33.2 -8.5 61 52 20726 110 16 -15.0 5.5 | 105 27 -26.5 7.2 62 50 20910 65 16 -14.5 -6.8 | 79 26 -26.0 -5.1 63 49 21031 55 15 -12.3 -8.6 | 74 25 -23.8 -6.9 64 47 21336 80 15 -14.8 -2.6 | 88 26 -26.2 -0.9 65 45 21641 130 13 -10.0 8.4 | 115 24 -21.4 10.0 66 43 21946 90 3 -3.0 0.0 | 97 15 -14.5 1.7 67 41 22250 60 10 -8.7 -5.0 | 81 20 -20.1 -3.3 68 37 22860 15 12 -3.1 -11.6 | 56 18 -14.6 -9.9 69 35 23165 85 12 -12.0 -1.0 | 92 23 -23.4 0.6 70 32 23774 45 11 -7.8 -7.8 | 72 20 -19.3 -6.1 71 30 24079 85 12 -12.0 -1.0 | 92 23 -23.4 0.6 72 30 24180 80 18 -17.7 -3.1 | 87 29 -29.2 -1.4 73 29 24384 70 10 -9.4 -3.4 | 85 21 -20.9 -1.7 74 28 24689 95 20 -19.9 1.7 | 96 32 -31.4 3.4 75 26 24994 80 15 -14.8 -2.6 | 88 26 -26.2 -0.9 76 24 25603 120 22 -19.1 11.0 | 113 33 -30.5 12.7 77 22 26213 95 15 -14.9 1.3 | 96 27 -26.4 3.0 78 21 26518 90 15 -15.0 0.0 | 94 27 -26.5 1.7 79 20 26820 105 17 -16.4 4.4 | 102 29 -27.9 6.1 80 20 26822 115 23 -20.8 9.7 | 109 34 -32.3 11.4 81 19 27127 115 20 -18.1 8.5 | 109 31 -29.6 10.1 82 18 27432 95 17 -16.9 1.5 | 96 29 -28.4 3.2 83 17 27737 65 14 -12.7 -5.9 | 80 25 -24.2 -4.2 84 16 28346 85 32 -31.9 -2.8 | 89 43 -43.4 -1.1 85 14 29261 110 31 -29.1 10.6 | 107 42 -40.6 12.3 86 12 30175 115 26 -23.6 11.0 | 110 37 -35.0 12.7 87 10 31480 105 31 -29.9 8.0 | 103 43 -41.4 9.7 88 7 33930 80 35 -34.5 -6.1 | 85 46 -45.9 -4.4 Wind Parameters Mean winds (0-6000m): 248.4 at 15.5 knts Storm direction: 278.4 at 11.6 knts Shear (0-3000m) pos: 3.0 neg: 2.4 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 104.3 deg Storm rel helicity (0-3000m) pos: 50.3 neg: -19.7 tot: 30.6 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.34 Bulk Shear: 27.57 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 ------------------------------------------------------------------------------- 500 179 6 122 14| 11.2 0.0 11.2| 41.7 0.0 41.7 83.4 0.86| 13.8 11.9 1000 233 8 143 8| 8.2 0.0 8.2| 48.6 -0.1 48.5 48.5 0.73| 11.9 8.7 1500 256 9 150 5| 5.1 0.0 5.1| 50.0 -0.8 49.2 32.8 0.67| 10.6 7.0 2000 275 10 127 1| 4.5 0.0 4.5| 50.3 -4.3 46.0 23.0 0.53| 9.2 4.8 2500 281 11 39 1| 3.6 1.4 5.0| 50.3 -9.9 40.3 16.1 0.32| 8.8 2.8 3000 276 12 231 1| 3.0 2.4 5.4| 50.3 -19.7 30.6 10.2 0.13| 8.7 1.1 4000 263 13 207 4| 2.2 2.4 4.6| 53.8 -36.4 17.4 4.4 0.04| 7.8 0.3 5000 253 14 200 6| 2.3 2.2 4.5| 86.3 -41.0 45.3 9.1 0.12| 7.5 0.9 6000 248 15 201 8| 2.2 1.9 4.1|104.5 -56.8 47.6 7.9 0.12| 7.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250628.12.gif