UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062900.upa.cvt Date: 0000Z 29 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 29 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 1005 98 29.2 24.3 75 4.9 25.6 185 6 301.9 305.5 298.5 359.2 19.37 1 1000 136 29.4 23.4 70 6.0 25.0 205 7 302.5 305.9 298.1 357.1 18.41 2 998 154 29.6 22.6 66 7.0 24.5 205 8 302.9 306.2 297.7 355.0 17.56 3 925 828 23.8 20.8 83 3.0 21.6 215 15 303.6 306.8 297.5 354.1 16.95 4 898 1087 21.4 19.8 91 1.6 20.3 215 14 303.8 306.8 297.2 352.5 16.40 5 850 1563 18.6 15.4 82 3.2 16.4 245 7 305.6 308.1 295.4 344.7 13.06 6 818 1892 16.4 12.3 77 4.1 13.7 244 4 306.7 308.7 294.3 340.0 11.06 7 805 2028 15.4 12.5 83 2.9 13.5 242 4 307.0 309.1 294.7 341.4 11.39 8 780 2295 14.0 9.1 72 4.9 10.9 250 7 308.3 310.1 293.5 336.7 9.34 9 750 2626 12.2 7.5 73 4.7 9.3 251 11 309.8 311.5 293.4 336.5 8.71 10 742 2716 11.6 8.3 80 3.3 9.6 247 11 310.1 311.9 294.0 338.6 9.30 11 730 2852 10.4 6.7 78 3.7 8.2 240 11 310.3 311.9 293.4 336.2 8.47 12 716 3014 10.0 4.0 66 6.0 6.5 232 12 311.5 312.9 292.7 333.7 7.14 13 700 3202 9.2 4.2 71 5.0 6.3 245 13 312.7 314.1 293.2 335.7 7.41 14 693 3285 8.8 2.8 66 6.0 5.4 249 14 313.1 314.4 292.9 334.3 6.77 15 675 3503 7.6 2.6 71 5.0 4.8 258 16 314.2 315.5 293.2 335.6 6.85 16 662 3663 6.8 1.9 71 4.9 4.1 265 17 315.0 316.3 293.3 335.9 6.65 17 656 3738 7.0 0.0 61 7.0 3.2 263 17 316.1 317.2 292.9 334.6 5.84 18 614 4277 2.2 -0.2 84 2.4 0.9 245 16 316.6 317.8 293.3 336.1 6.15 19 590 4598 0.0 -1.9 87 1.9 -1.0 244 16 317.6 318.7 293.2 335.7 5.65 20 584 4680 0.0 -3.4 78 3.4 -1.7 233 16 318.6 319.6 293.0 335.0 5.10 21 581 4721 0.0 -4.1 74 4.1 -2.0 228 16 319.0 320.0 293.0 334.7 4.86 22 569 4889 -0.5 -5.4 69 4.9 -2.9 206 17 320.4 321.2 293.0 335.0 4.50 23 567 4917 -0.7 -5.6 69 4.9 -3.1 205 17 320.5 321.3 293.0 334.9 4.45 24 535 5378 -4.5 -6.3 87 1.8 -5.4 214 12 321.3 322.1 293.3 335.9 4.47 25 530 5452 -4.3 -7.3 80 3.0 -5.7 216 12 322.4 323.2 293.3 336.1 4.17 26 525 5527 -4.3 -7.9 76 3.6 -6.0 217 11 323.3 324.0 293.4 336.5 4.02 27 515 5678 -5.7 -8.1 83 2.4 -6.8 220 9 323.3 324.1 293.5 336.7 4.04 28 514 5693 -5.1 -8.4 78 3.3 -6.6 221 9 324.3 325.0 293.7 337.4 3.95 29 500 5910 -6.7 -9.2 82 2.5 -7.8 225 7 324.9 325.6 293.7 337.6 3.81 30 482 6196 -8.9 -10.5 88 1.6 -9.6 231 6 325.6 326.3 293.7 337.5 3.57 31 455 6641 -11.7 -12.6 93 0.9 -12.1 234 3 327.5 328.1 293.9 338.3 3.19 32 437 6950 -13.3 -15.5 83 2.2 -14.1 239 6 329.3 329.8 293.9 338.3 2.62 33 436 6967 -13.5 -15.7 83 2.2 -14.3 239 6 329.2 329.7 293.9 338.1 2.58 34 434 7002 -13.7 -15.9 83 2.2 -14.5 240 6 329.4 329.9 293.9 338.2 2.55 35 432 7038 -13.7 -15.9 83 2.2 -14.5 240 7 329.8 330.4 294.0 338.7 2.56 36 411 7416 -16.1 -17.5 89 1.4 -16.6 250 15 331.5 332.0 294.3 339.7 2.36 37 401 7601 -16.9 -19.0 84 2.1 -17.6 259 24 332.8 333.2 294.4 340.3 2.12 38 400 7620 -17.1 -19.2 84 2.1 -17.8 260 25 332.8 333.2 294.3 340.1 2.09 39 316 9349 -28.7 -31.6 76 2.9 -29.2 262 23 339.8 340.0 295.1 343.1 0.86 40 306 9579 -30.1 -32.8 77 2.7 -30.6 270 23 341.0 341.2 295.3 344.0 0.79 41 300 9720 -31.3 -34.1 76 2.8 -31.7 275 23 341.3 341.4 295.3 344.0 0.71 42 288 10007 -33.5 -35.8 80 2.3 -33.8 279 23 342.1 342.3 295.4 344.5 0.63 43 277 10278 -35.9 -39.1 72 3.2 -36.3 277 23 342.5 342.6 295.3 344.3 0.47 44 268 10506 -37.5 -40.8 71 3.3 -37.9 273 24 343.4 343.5 295.5 345.0 0.40 45 265 10583 -38.1 -41.5 70 3.4 -38.5 271 24 343.6 343.7 295.6 345.1 0.38 46 263 10635 -38.7 -42.4 68 3.7 -39.1 271 24 343.5 343.6 295.5 344.9 0.35 47 250 10980 -41.7 -44.5 74 2.8 -41.9 265 27 344.1 344.1 295.6 345.2 0.29 48 209 12166 -51.3 -56.1 56 4.8 -51.5 273 17 347.1 347.2 296.1 347.5 0.09 49 200 12450 -53.7 -58.0 59 4.3 -53.8 275 15 347.7 347.7 296.2 348.1 0.08 50 198 12514 -54.3 -58.3 61 4.0 -54.4 274 15 347.8 347.8 296.2 348.1 0.07 51 190 12777 -56.7 -61.5 55 4.8 -56.8 270 15 348.0 348.1 296.3 348.3 0.05 52 187 12878 -57.5 -63.5 46 6.0 -57.6 266 15 348.3 348.3 296.3 348.5 0.04 53 175 13293 -60.1 -64.9 53 4.8 -60.2 246 19 350.7 350.7 296.8 350.9 0.04 54 172 13401 -60.5 -68.5 34 8.0 -60.6 244 20 351.8 351.8 297.0 351.9 0.02 55 169 13510 -61.3 -65.8 55 4.5 -61.4 241 21 352.3 352.3 297.1 352.4 0.03 56 168 13547 -61.5 -66.5 51 5.0 -61.6 241 21 352.5 352.5 297.2 352.6 0.03 57 165 13658 -62.5 -75.5 16 13.0 -62.6 238 22 352.7 352.7 297.2 352.7 0.01 58 150 14240 -66.5 -74.5 32 8.0 -66.5 225 28 355.5 355.5 297.8 355.6 0.01 59 127 15242 -70.1 -74.9 49 4.8 -70.1 265 24 366.4 366.4 299.9 366.4 0.01 60 100 16680 -66.3 -86.3 4 20.0 -66.4 235 9 399.6 399.6 305.2 399.6 0.00 61 91 17249 -68.3 -86.3 6 18.0 -68.4 255 7 406.6 406.6 306.1 406.6 0.00 62 88 17450 -67.7 -87.7 4 20.0 -67.8 276 4 411.7 411.7 306.7 411.7 0.00 63 85 17661 -64.1 -88.1 2 24.0 -64.3 299 1 423.1 423.1 308.1 423.1 0.00 64 83 17806 -63.9 -87.9 2 24.0 -64.1 287 5 426.4 426.4 308.4 426.4 0.00 65 77 18265 -65.3 -88.3 3 23.0 -65.5 350 16 432.7 432.7 309.1 432.7 0.00 66 70 18850 -61.7 -88.7 2 27.0 -62.0 265 5 452.4 452.4 311.1 452.4 0.00 67 69 18939 -62.1 -88.1 2 26.0 -62.4 358 1 453.4 453.4 311.2 453.4 0.00 68 64 19406 -60.5 -88.5 1 28.0 -60.9 339 8 466.8 466.8 312.4 466.8 0.00 69 62 19603 -61.3 -89.3 1 28.0 -61.7 341 10 469.3 469.3 312.5 469.3 0.00 70 50 20940 -60.9 -89.9 1 29.0 -61.4 90 7 500.0 500.0 314.9 500.0 0.00 71 47 21324 -60.3 -89.3 1 29.0 -60.9 100 8 510.3 510.3 315.7 510.3 0.00 72 43 21882 -56.5 -88.5 1 32.0 -57.5 90 13 532.8 532.8 317.1 532.8 0.00 73 40 22340 -56.1 -88.1 1 32.0 -57.2 68 13 545.0 545.0 317.8 545.0 0.00 74 36 23013 -53.3 -87.3 1 34.0 -54.9 68 10 568.9 568.9 319.1 568.9 0.01 75 30 24190 -51.1 -87.1 1 36.0 -53.4 35 12 605.3 605.3 320.9 605.4 0.01 76 29 24411 -50.3 -86.3 1 36.0 -52.9 76 10 613.4 613.4 321.2 613.5 0.01 77 27 24880 -49.1 -86.1 1 37.0 -52.1 57 14 629.5 629.5 321.9 629.5 0.01 78 24 25651 -51.5 -87.5 1 36.0 -54.2 99 19 644.1 644.1 322.4 644.1 0.01 79 23 25928 -50.7 -86.7 1 36.0 -53.7 120 25 654.3 654.3 322.9 654.4 0.01 80 21 26527 -47.1 -86.1 0 39.0 -51.4 119 24 682.4 682.4 323.9 682.5 0.01 81 20 26850 -47.3 -86.3 0 39.0 -51.7 90 16 691.4 691.4 324.1 691.5 0.01 82 17 27930 -45.1 -85.1 0 40.0 -50.8 55 22 731.3 731.4 325.4 731.5 0.02 83 17 27930 -45.5 -84.5 0 39.0 -51.0 55 22 730.1 730.1 325.4 730.2 0.02 84 16 28338 -42.1 -83.1 0 41.0 -49.3 84 32 753.9 753.9 326.0 754.1 0.02 85 15 28776 -40.9 -81.9 0 41.0 -48.9 76 29 772.0 772.0 326.5 772.2 0.03 86 12 30290 -41.9 -82.9 0 41.0 -50.4 81 26 819.3 819.3 327.7 819.6 0.03 87 11 30880 -41.5 -82.5 0 41.0 -50.5 85 33 841.4 841.4 328.2 841.8 0.04 88 11 30880 -39.5 -81.5 0 42.0 -49.6 85 33 848.6 848.7 328.4 849.1 0.05 89 10 31530 -41.3 -82.3 0 41.0 -50.9 90 41 865.4 865.4 328.7 865.8 0.05 TRP 127 15242 -70.1 -74.9 49 4.8 -70.1 265 24 366.4 366.4 299.9 366.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 581.00 mb = 4721.34 m = 15489.76 ft Wetbulb zero: 602.50 mb = 4429.35 m = 14531.82 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 76.99 % Est. max temperature: 32.72 C = 90.89 F Sfc-Lift cond lev (LCL): 936.52 mb = 718.14 m = 2356.08 ft T: 24.75 C 700-500 lapse rate: 5.87 C/km ThetaE index: 19.22 C Layer 1000.0- 805.0 mb Conv cond level (CCL): 877.75 mb = 1284.65 m = 4214.68 ft Mean mixing ratio: 17.24 g/kg Conv temperature: 31.82 C = 89.28 F Cap Strength: 0.59 C Lifted Index: -5.31 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.33 C Lifted Index @700 mb: -2.60 C Showalter Index: -1.80 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 205.80 Risk: None Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2103.03 J/kg Max Up Vert Vel: 64.85 m/s Conv Inhibition (B-): 7.14 J/kg Cap Strength: 0.59 C Lift Cond Lev (LCL): 893.68 mb = 1128.83 m = 3703.46 ft Lev Free Conv (LFC): 858.68 mb = 1474.99 m = 4839.15 ft Equ Level (EL): 148.68 mb = 14293.27 m = 46893.37 ft B at Equ Level: 2079.34 J/kg Max Parcel Lev (MPL): 88.68 mb = 17403.90 m = 57098.72 ft Wind level data Storm motion: 262 at 9 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 1005 98 185 6 0.5 6.0 | 119 10 -8.4 4.7 1 1000 136 205 7 3.0 6.3 | 131 8 -6.0 5.1 2 981 305 205 12 5.1 10.9 | 158 10 -3.8 9.6 3 948 610 205 14 5.9 12.7 | 165 12 -3.0 11.4 4 925 828 215 15 8.6 12.3 | 178 11 -0.3 11.0 5 916 914 215 15 8.6 12.3 | 178 11 -0.3 11.0 6 884 1219 215 13 7.5 10.6 | 171 10 -1.5 9.4 7 850 1563 245 7 6.3 3.0 | 124 3 -2.6 1.7 8 824 1829 245 4 3.6 1.7 | 95 5 -5.3 0.4 9 794 2134 240 4 3.5 2.0 | 98 6 -5.5 0.8 10 766 2438 260 10 9.8 1.7 | 242 1 0.9 0.5 11 739 2743 245 11 10.0 4.6 | 197 4 1.1 3.4 12 713 3048 230 12 9.2 7.7 | 182 6 0.3 6.5 13 700 3202 245 13 11.8 5.5 | 214 5 2.9 4.3 14 661 3658 265 17 16.9 1.5 | 268 8 8.0 0.2 15 613 4267 245 16 14.5 6.8 | 225 8 5.6 5.5 16 590 4572 245 16 14.5 6.8 | 225 8 5.6 5.5 17 568 4877 205 17 7.2 15.4 | 173 14 -1.7 14.2 18 500 5910 225 7 4.9 4.9 | 133 5 -4.0 3.7 19 488 6096 230 6 4.6 3.9 | 121 5 -4.3 2.6 20 451 6706 235 3 2.5 1.7 | 94 6 -6.5 0.5 21 416 7315 245 10 9.1 4.2 | 183 3 0.1 3.0 22 400 7620 260 25 24.6 4.3 | 259 16 15.7 3.1 23 400 7620 270 23 23.0 -0.0 | 275 14 14.1 -1.2 24 384 7925 240 28 24.2 14.0 | 230 20 15.3 12.8 25 368 8230 240 29 25.1 14.5 | 231 21 16.2 13.3 26 325 9144 255 23 22.2 6.0 | 250 14 13.3 4.7 27 300 9720 275 23 22.9 -2.0 | 283 14 14.0 -3.2 28 286 10058 280 23 22.7 -4.0 | 291 15 13.7 -5.2 29 250 10973 265 25 24.9 2.2 | 267 16 16.0 0.9 30 250 10980 265 27 26.9 2.4 | 266 18 18.0 1.1 31 200 12450 275 15 14.9 -1.3 | 293 7 6.0 -2.5 32 189 12802 270 15 15.0 -0.0 | 282 6 6.1 -1.2 33 180 13106 250 17 16.0 5.8 | 237 8 7.1 4.6 34 150 14240 225 28 19.8 19.8 | 210 22 10.9 18.6 35 148 14326 225 33 23.3 23.3 | 213 26 14.4 22.1 36 141 14630 210 30 15.0 26.0 | 194 25 6.1 24.7 37 127 15240 260 21 20.7 3.6 | 258 12 11.8 2.4 38 127 15242 265 24 23.9 2.1 | 267 15 15.0 0.8 39 115 15850 245 13 11.8 5.5 | 214 5 2.9 4.3 40 104 16459 340 10 3.4 -9.4 | 27 12 -5.5 -10.6 41 100 16680 235 9 7.4 5.2 | 159 4 -1.5 3.9 42 99 16764 225 10 7.1 7.1 | 162 6 -1.8 5.8 43 94 17069 235 9 7.4 5.2 | 159 4 -1.5 3.9 44 85 17678 300 1 0.9 -0.5 | 78 8 -8.1 -1.7 45 81 17983 270 11 11.0 -0.0 | 301 2 2.1 -1.2 46 77 18288 355 16 1.4 -15.9 | 24 19 -7.5 -17.2 47 73 18593 5 11 -1.0 -11.0 | 39 16 -9.9 -12.2 48 70 18850 265 5 5.0 0.4 | 78 4 -3.9 -0.8 49 69 18898 0 0 -0.0 -0.0 | 82 9 -8.9 -1.2 50 63 19507 335 10 4.2 -9.1 | 24 11 -4.7 -10.3 51 60 19812 355 11 1.0 -11.0 | 33 15 -8.0 -12.2 52 57 20117 290 10 9.4 -3.4 | 354 5 0.5 -4.7 53 54 20422 350 21 3.6 -20.7 | 14 23 -5.3 -21.9 54 52 20726 20 14 -4.8 -13.2 | 44 20 -13.7 -14.4 55 50 20940 90 7 -7.0 0.0 | 86 16 -15.9 -1.2 56 49 21031 65 10 -9.1 -4.2 | 73 19 -18.0 -5.5 57 47 21336 100 8 -7.9 1.4 | 91 17 -16.8 0.1 58 45 21641 120 2 -1.7 1.0 | 89 11 -10.6 -0.2 59 43 21946 85 15 -14.9 -1.3 | 84 24 -23.9 -2.5 60 39 22555 60 12 -10.4 -6.0 | 69 21 -19.3 -7.2 61 37 22860 85 10 -10.0 -0.9 | 84 19 -18.9 -2.1 62 35 23165 55 10 -8.2 -5.7 | 68 18 -17.1 -7.0 63 34 23470 105 11 -10.6 2.8 | 95 20 -19.5 1.6 64 32 23774 50 10 -7.7 -6.4 | 65 18 -16.6 -7.7 65 30 24190 35 12 -6.9 -9.8 | 55 19 -15.8 -11.1 66 29 24384 80 9 -8.9 -1.6 | 81 18 -17.8 -2.8 67 28 24689 35 16 -9.2 -13.1 | 52 23 -18.1 -14.3 68 27 24994 70 13 -12.2 -4.4 | 75 22 -21.1 -5.7 69 25 25298 95 15 -14.9 1.3 | 90 24 -23.9 0.1 70 24 25603 95 18 -17.9 1.6 | 91 27 -26.8 0.3 71 23 25908 120 25 -21.7 12.5 | 110 33 -30.6 11.3 72 21 26518 120 24 -20.8 12.0 | 110 32 -29.7 10.8 73 20 26822 95 16 -15.9 1.4 | 90 25 -24.9 0.2 74 20 26850 90 16 -16.0 0.0 | 87 25 -24.9 -1.2 75 19 27127 85 26 -25.9 -2.3 | 84 35 -34.8 -3.5 76 18 27432 75 16 -15.5 -4.1 | 78 25 -24.4 -5.4 77 18 27737 55 14 -11.5 -8.0 | 66 22 -20.4 -9.3 78 17 28042 55 25 -20.5 -14.3 | 62 33 -29.4 -15.6 79 16 28346 85 32 -31.9 -2.8 | 84 41 -40.8 -4.0 80 15 28651 70 29 -27.3 -9.9 | 73 38 -36.2 -11.2 81 14 29261 95 30 -29.9 2.6 | 92 39 -38.8 1.4 82 13 29870 70 24 -22.6 -8.2 | 73 33 -31.5 -9.5 83 12 30175 80 24 -23.6 -4.2 | 81 33 -32.6 -5.4 84 10 31530 90 41 -41.0 0.0 | 89 50 -49.9 -1.2 Wind Parameters Mean winds (0-6000m): 232.1 at 12.0 knts Storm direction: 262.1 at 9.0 knts Shear (0-3000m) pos: 2.1 neg: 0.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 71.8 deg Storm rel helicity (0-3000m) pos: 30.1 neg: -11.2 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.1 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 510.63 Bulk Shear: 4.12 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 ------------------------------------------------------------------------------- 500 205 11 155 10| 8.8 0.0 8.8| 18.7 0.0 18.7 37.4 0.85| 9.2 7.8 1000 209 13 165 10| 4.7 0.0 4.7| 26.7 -2.1 24.6 24.6 0.73| 6.6 4.9 1500 213 12 166 9| 2.2 0.0 2.2| 26.7 -7.5 19.2 12.8 0.24| 7.5 1.8 2000 217 10 158 7| 1.6 0.7 2.3| 27.0 -9.2 17.8 8.9 0.15| 6.4 1.0 2500 223 10 158 6| 2.5 0.5 3.0| 29.0 -9.4 19.6 7.8 0.22| 6.7 1.5 3000 226 10 163 6| 2.1 0.7 2.8| 30.1 -11.2 18.9 6.3 0.17| 6.4 1.1 4000 237 11 187 5| 2.5 0.9 3.4| 42.2 -19.0 23.2 5.8 0.20| 6.4 1.3 5000 235 12 192 6| 2.0 1.8 3.9| 42.2 -50.0 -7.8 -1.6 -0.02| 6.7 -0.1 6000 232 12 185 6| 1.9 1.5 3.5| 42.2 -60.6 -18.4 -3.1 -0.09| 6.4 -0.6 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250629.00.gif