UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 24 APR 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 1015 98 12.6 8.3 75 4.3 10.2 260 2 284.5 285.7 282.7 303.4 6.77 1 1011 129 12.2 7.8 74 4.4 9.8 245 4 284.5 285.6 282.5 302.7 6.57 2 1001 206 13.8 6.8 63 7.0 10.0 209 9 286.9 288.0 283.1 304.3 6.19 3 1000 214 14.2 7.2 63 7.0 10.4 205 9 287.4 288.5 283.5 305.3 6.37 4 995 256 15.8 5.8 51 10.0 10.4 210 11 289.4 290.4 283.8 305.9 5.81 5 979 395 17.0 5.0 45 12.0 10.5 215 13 291.9 292.9 284.6 308.0 5.59 6 971 465 17.6 4.6 42 13.0 10.6 215 12 293.2 294.2 285.0 309.1 5.48 7 925 878 15.4 0.4 36 15.0 7.9 180 10 295.1 295.8 284.4 307.6 4.25 8 914 979 14.8 -1.2 33 16.0 7.0 173 10 295.5 296.1 284.1 306.8 3.83 9 882 1279 12.2 0.2 44 12.0 6.2 148 11 295.8 296.6 284.8 308.8 4.40 10 860 1490 11.6 -2.4 38 14.0 4.9 158 12 297.3 298.0 284.7 308.5 3.72 11 854 1549 11.2 -0.8 43 12.0 5.3 158 12 297.5 298.2 285.4 310.1 4.22 12 850 1588 11.2 -3.8 35 15.0 4.2 155 11 297.9 298.5 284.6 308.1 3.39 13 846 1627 11.0 -5.0 32 16.0 3.8 158 10 298.1 298.6 284.4 307.5 3.11 14 845 1637 11.0 -4.0 35 15.0 4.1 159 10 298.2 298.8 284.7 308.3 3.36 15 800 2091 7.6 -3.4 46 11.0 2.5 146 4 299.3 299.9 285.5 310.5 3.72 16 784 2257 6.4 -5.6 42 12.0 1.1 95 4 299.7 300.3 285.1 309.5 3.21 17 779 2309 6.2 -8.8 33 15.0 0.0 74 3 300.0 300.5 284.5 307.8 2.52 18 776 2341 6.0 -9.0 33 15.0 -0.1 62 3 300.1 300.6 284.5 307.8 2.49 19 766 2447 5.4 -3.6 52 9.0 1.3 20 3 300.6 301.3 286.1 312.2 3.82 20 757 2543 4.6 -3.4 56 8.0 0.9 9 6 300.8 301.5 286.3 312.7 3.93 21 750 2619 4.0 -7.0 44 11.0 -0.7 0 8 300.9 301.5 285.4 310.2 3.01 22 735 2783 2.6 -5.4 56 8.0 -0.9 346 12 301.1 301.8 285.9 311.7 3.48 23 727 2871 1.8 -7.2 51 9.0 -2.0 349 11 301.2 301.8 285.5 310.6 3.06 24 715 3005 0.6 -7.4 55 8.0 -2.7 353 10 301.3 301.9 285.6 310.7 3.06 25 713 3027 0.4 -5.6 64 6.0 -2.2 354 10 301.3 302.0 286.1 312.1 3.53 26 702 3152 0.0 -11.0 43 11.0 -4.2 347 11 302.2 302.7 285.1 309.6 2.35 27 700 3175 -0.3 -11.3 43 11.0 -4.4 345 11 302.2 302.6 285.1 309.3 2.30 28 697 3209 -0.5 -11.5 43 11.0 -4.6 346 11 302.3 302.7 285.1 309.4 2.27 29 696 3221 -0.7 -11.7 43 11.0 -4.8 346 11 302.2 302.6 285.0 309.2 2.24 30 689 3301 -1.3 -11.3 46 10.0 -5.0 348 10 302.4 302.8 285.2 309.7 2.34 31 678 3430 -1.9 -16.9 31 15.0 -6.8 348 9 303.1 303.4 284.5 307.9 1.50 32 673 3488 -2.3 -15.3 36 13.0 -6.7 346 7 303.3 303.6 284.9 308.8 1.73 33 640 3886 -4.9 -20.9 27 16.0 -9.5 352 6 304.8 305.0 284.7 308.5 1.13 34 621 4122 -5.7 -26.7 17 21.0 -10.9 6 8 306.5 306.6 284.9 308.8 0.69 35 606 4313 -6.9 -16.9 45 10.0 -10.1 11 9 307.3 307.6 286.3 312.7 1.68 36 604 4339 -7.1 -20.1 35 13.0 -10.9 7 9 307.3 307.6 285.9 311.5 1.28 37 601 4378 -7.3 -18.3 41 11.0 -10.6 1 8 307.5 307.8 286.2 312.4 1.50 38 600 4391 -7.5 -22.5 29 15.0 -11.6 359 8 307.4 307.6 285.7 310.9 1.05 39 592 4495 -8.1 -26.1 22 18.0 -12.5 344 7 307.9 308.1 285.5 310.5 0.77 40 570 4789 -9.7 -33.7 12 24.0 -14.4 301 5 309.4 309.5 285.6 310.8 0.39 41 567 4829 -9.7 -27.7 22 18.0 -13.9 294 5 309.9 310.0 286.1 312.2 0.69 42 552 5036 -11.3 -29.3 21 18.0 -15.2 280 8 310.4 310.5 286.2 312.5 0.61 43 529 5362 -12.3 -34.3 14 22.0 -16.5 281 14 313.0 313.0 286.9 314.4 0.40 44 500 5790 -15.5 -35.5 16 20.0 -19.0 295 17 314.1 314.2 287.2 315.5 0.37 45 488 5973 -17.1 -37.1 16 20.0 -20.3 292 16 314.4 314.4 287.3 315.5 0.32 46 471 6238 -19.7 -35.7 23 16.0 -22.2 286 16 314.3 314.4 287.3 315.7 0.39 47 465 6333 -20.5 -33.5 30 13.0 -22.7 284 17 314.5 314.6 287.5 316.2 0.49 48 458 6446 -21.3 -42.3 13 21.0 -23.9 281 18 314.9 314.9 287.3 315.6 0.20 49 442 6707 -23.5 -45.5 11 22.0 -25.9 274 20 315.3 315.3 287.3 315.9 0.15 50 402 7394 -29.1 -43.1 25 14.0 -30.5 270 23 316.7 316.8 287.9 317.5 0.21 51 400 7430 -29.3 -41.3 30 12.0 -30.6 270 23 316.9 317.0 288.1 317.8 0.26 52 397 7484 -29.7 -41.7 30 12.0 -30.9 271 24 317.1 317.1 288.1 318.0 0.25 53 393 7556 -30.1 -33.9 69 3.8 -30.6 273 24 317.5 317.6 288.6 319.4 0.55 54 374 7906 -33.1 -35.2 81 2.1 -33.4 275 27 318.0 318.1 288.7 319.8 0.51 55 372 7944 -33.3 -36.4 74 3.1 -33.7 275 28 318.2 318.3 288.7 319.9 0.46 56 300 9420 -44.3 -59.3 17 15.0 -44.8 310 39 322.9 322.9 289.7 323.1 0.04 57 250 10620 -53.1 -57.4 59 4.3 -53.2 280 59 327.1 327.1 291.0 327.4 0.07 58 202 11950 -64.8 -70.7 44 5.9 -64.8 290 69 329.3 329.3 291.5 329.3 0.01 59 200 12010 -65.3 -71.3 43 6.0 -65.4 290 69 329.3 329.4 291.5 329.4 0.01 60 187 12420 -67.5 -73.5 42 6.0 -67.5 285 55 332.2 332.2 292.3 332.2 0.01 61 150 13780 -60.5 -84.5 3 24.0 -60.7 280 33 365.9 365.9 299.8 365.9 0.00 62 100 16280 -61.5 -87.5 2 26.0 -61.7 285 33 408.9 408.9 306.4 408.9 0.00 63 99 16342 -60.7 -87.7 2 27.0 -61.0 285 33 411.6 411.6 306.7 411.6 0.00 64 92 16796 -61.9 -86.9 2 25.0 -62.1 288 42 418.0 418.0 307.4 418.0 0.00 65 90 16932 -60.1 -87.1 2 27.0 -60.4 282 40 424.2 424.2 308.2 424.2 0.00 66 84 17360 -61.9 -87.9 2 26.0 -62.2 282 36 429.0 429.0 308.7 429.0 0.00 67 82 17509 -60.3 -87.3 2 27.0 -60.6 286 34 435.2 435.2 309.4 435.2 0.00 68 72 18316 -61.7 -87.7 2 26.0 -62.0 312 23 448.8 448.8 310.7 448.8 0.00 69 70 18490 -61.1 -88.1 2 27.0 -61.4 290 15 453.7 453.7 311.2 453.7 0.00 70 67 18763 -58.7 -86.7 2 28.0 -59.2 296 15 464.6 464.6 312.2 464.6 0.00 71 64 19050 -60.1 -87.1 2 27.0 -60.6 270 15 467.6 467.6 312.4 467.7 0.00 72 60 19454 -58.3 -87.3 1 29.0 -58.9 267 18 480.4 480.4 313.5 480.4 0.00 73 52 20346 -61.7 -88.7 2 27.0 -62.1 304 22 492.5 492.5 314.4 492.5 0.00 74 50 20590 -59.3 -87.3 1 28.0 -59.9 310 16 503.7 503.7 315.2 503.8 0.00 75 40 21996 -56.3 -86.3 1 30.0 -57.4 343 3 544.5 544.5 317.8 544.5 0.01 76 36 22663 -57.7 -86.7 1 29.0 -58.7 291 7 557.5 557.5 318.5 557.5 0.01 77 33 23213 -56.3 -86.3 1 30.0 -57.6 325 4 575.3 575.3 319.4 575.3 0.01 78 32 23408 -57.1 -87.1 1 30.0 -58.3 337 2 578.2 578.2 319.6 578.2 0.01 79 31 23610 -54.3 -86.3 1 32.0 -55.9 350 1 591.0 591.0 320.2 591.1 0.01 80 30 23820 -54.5 -86.5 1 32.0 -56.2 25 10 596.1 596.1 320.5 596.1 0.01 81 28 24264 -53.5 -85.5 1 32.0 -55.5 49 9 610.7 610.7 321.1 610.8 0.01 82 27 24499 -54.1 -86.1 1 32.0 -56.0 73 8 615.4 615.4 321.3 615.5 0.01 83 24 25261 -51.1 -85.1 1 34.0 -53.9 92 9 645.2 645.2 322.5 645.3 0.01 84 22 25828 -51.7 -84.7 1 33.0 -54.5 115 11 659.7 659.7 323.0 659.8 0.01 85 20 26450 -49.9 -84.9 1 35.0 -53.4 85 5 683.4 683.4 323.9 683.5 0.01 86 18 27141 -48.3 -83.3 1 35.0 -52.6 21 6 709.4 709.4 324.7 709.6 0.02 87 16 27914 -50.1 -84.1 1 34.0 -54.1 141 11 727.8 727.8 325.3 728.0 0.02 88 15 28337 -49.3 -84.3 1 35.0 -53.8 92 13 744.0 744.0 325.8 744.2 0.02 89 14 28792 -46.7 -83.7 1 37.0 -52.4 161 10 767.7 767.7 326.4 767.9 0.03 90 14 28792 -46.9 -82.9 1 36.0 -52.5 161 10 767.0 767.0 326.4 767.3 0.03 91 12 29817 -45.3 -83.3 1 38.0 -52.1 296 2 807.2 807.3 327.4 807.5 0.03 92 11 30404 -40.5 -81.5 0 41.0 -50.1 298 5 845.0 845.0 328.3 845.5 0.05 93 10 31050 -42.7 -81.7 1 39.0 -51.5 295 9 860.2 860.2 328.6 860.6 0.05 94 9.8 31186 -42.7 -81.7 1 39.0 -51.7 295 10 865.1 865.2 328.7 865.6 0.05 95 8.7 31994 -38.9 -80.9 0 42.0 -50.5 295 15 909.9 909.9 329.6 910.6 0.07 96 8.4 32234 -39.1 -81.1 0 42.0 -50.7 295 16 918.3 918.3 329.8 919.0 0.07 97 8.0 32570 -36.3 -79.3 0 43.0 -49.8 295 18 942.3 942.4 330.2 943.3 0.09 98 7.3 33201 -38.3 -80.3 0 42.0 -51.1 295 22 959.1 959.2 330.5 960.1 0.09 99 7.0 33490 -36.7 -78.7 0 42.0 -50.7 295 24 977.3 977.4 330.8 978.7 0.12 100 6.7 33794 -35.9 -78.9 0 43.0 -50.7 993.0 993.1 331.1 994.4 0.12 101 6.4 34111 -37.9 -79.9 0 42.0 -51.7 997.6 997.7 331.2 998.8 0.11 102 6.0 34557 -36.1 -79.1 0 43.0 -51.4 1024.0 1024.1 331.6 1025.5 0.13 TRP 187 12420 -67.5 -73.5 42 6.0 -67.5 285 55 332.2 332.2 292.3 332.2 0.01 WND 202 11950 -64.8 -70.7 44 5.9 -64.8 290 69 329.3 329.3 291.5 329.3 0.01 Sounding variables and indices 1000-500 mb thick: 5576.00 m Freezing level: 702.00 mb = 3152.16 m = 10341.59 ft Wetbulb zero: 778.60 mb = 2313.38 m = 7589.74 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 34.98 % Est. max temperature: 25.07 C = 77.13 F Sfc-Lift cond lev (LCL): 951.26 mb = 639.59 m = 2098.36 ft T: 16.67 C 700-500 lapse rate: 5.81 C/km ThetaE index: 2.67 C Layer 784.0- 776.0 mb Conv cond level (CCL): 696.25 mb = 3217.94 m = 10557.40 ft Mean mixing ratio: 5.25 g/kg Conv temperature: 30.37 C = 86.67 F Cap Strength: 8.48 C Lifted Index: 8.56 C Risk: None Lifted Index @300 mb: 11.29 C Lifted Index @700 mb: 5.19 C Showalter Index: 8.03 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 26.70 C Cross Totals Index: 11.70 C K Index: 11.90 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.22 J/kg Max Up Vert Vel: 8.74 m/s Conv Inhibition (B-): 53770.13 J/kg Cap Strength: 8.57 C Lift Cond Lev (LCL): 805.21 mb = 2036.82 m = 6682.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 7 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 1015 98 260 2 2.0 0.3 | 154 6 -2.7 5.6 1 1000 214 205 9 3.8 8.2 | 176 13 -0.9 13.4 2 989 305 215 14 8.0 11.5 | 191 17 3.3 16.7 3 955 610 215 10 5.7 8.2 | 184 13 1.1 13.5 4 925 878 180 10 0.0 10.0 | 163 16 -4.7 15.3 5 921 914 180 10 0.0 10.0 | 163 16 -4.7 15.3 6 888 1219 145 11 -6.3 9.0 | 142 18 -11.0 14.3 7 857 1524 160 12 -4.1 11.3 | 152 19 -8.8 16.5 8 850 1588 155 11 -4.6 10.0 | 149 18 -9.3 15.2 9 825 1829 175 7 -0.6 7.0 | 157 13 -5.3 12.2 10 795 2134 140 4 -2.6 3.1 | 139 11 -7.3 8.3 11 766 2438 20 3 -1.0 -2.8 | 113 6 -5.7 2.4 12 738 2743 345 12 3.1 -11.6 | 14 7 -1.6 -6.3 13 711 3048 355 10 0.9 -10.0 | 39 6 -3.8 -4.7 14 700 3175 345 11 2.8 -10.6 | 19 6 -1.8 -5.4 15 684 3353 350 10 1.7 -9.8 | 33 5 -2.9 -4.6 16 658 3658 340 4 1.4 -3.8 | 114 4 -3.3 1.5 17 608 4267 15 9 -2.3 -8.7 | 64 8 -7.0 -3.4 18 562 4877 285 4 3.9 -1.0 | 169 4 -0.8 4.2 19 541 5182 275 13 13.0 -1.1 | 243 9 8.3 4.1 20 500 5790 295 17 15.4 -7.2 | 280 11 10.7 -1.9 21 500 5791 295 17 15.4 -7.2 | 280 11 10.7 -1.9 22 480 6096 290 15 14.1 -5.1 | 269 9 9.4 0.1 23 424 7010 265 22 21.9 1.9 | 247 19 17.2 7.2 24 400 7430 270 23 23.0 -0.0 | 254 19 18.3 5.3 25 389 7620 275 25 24.9 -2.2 | 261 20 20.2 3.1 26 356 8230 275 30 29.9 -2.6 | 264 25 25.2 2.6 27 326 8839 305 40 32.8 -22.9 | 302 33 28.1 -17.7 28 312 9144 300 38 32.9 -19.0 | 296 31 28.2 -13.7 29 300 9420 310 39 29.9 -25.1 | 308 32 25.2 -19.8 30 285 9754 310 40 30.6 -25.7 | 308 33 26.0 -20.4 31 272 10058 290 46 43.2 -15.7 | 285 40 38.5 -10.5 32 250 10620 280 59 58.1 -10.2 | 275 54 53.4 -5.0 33 236 10973 280 60 59.1 -10.4 | 275 55 54.4 -5.2 34 202 11950 290 69 64.8 -23.6 | 287 63 60.2 -18.3 35 200 12010 290 69 64.8 -23.6 | 287 63 60.2 -18.3 36 194 12192 290 69 64.8 -23.6 | 287 63 60.2 -18.3 37 187 12420 285 55 53.1 -14.2 | 280 49 48.4 -9.0 38 150 13780 280 33 32.5 -5.7 | 271 28 27.8 -0.5 39 137 14326 280 29 28.6 -5.0 | 269 24 23.9 0.2 40 124 14935 280 33 32.5 -5.7 | 271 28 27.8 -0.5 41 118 15240 260 39 38.4 6.8 | 250 36 33.7 12.0 42 102 16154 290 36 33.8 -12.3 | 284 30 29.1 -7.0 43 100 16280 285 33 31.9 -8.5 | 277 27 27.2 -3.3 44 97 16459 285 33 31.9 -8.5 | 277 27 27.2 -3.3 45 92 16764 290 43 40.4 -14.7 | 285 37 35.7 -9.4 46 88 17069 275 38 37.9 -3.3 | 267 33 33.2 2.0 47 80 17678 290 33 31.0 -11.3 | 283 27 26.3 -6.0 48 76 17983 280 23 22.7 -4.0 | 266 18 18.0 1.3 49 72 18288 315 24 17.0 -17.0 | 314 17 12.3 -11.7 50 70 18490 290 15 14.1 -5.1 | 269 9 9.4 0.1 51 69 18593 310 13 10.0 -8.4 | 300 6 5.3 -3.1 52 66 18898 285 17 16.4 -4.4 | 266 12 11.7 0.9 53 62 19202 255 12 11.6 3.1 | 220 11 6.9 8.4 54 57 19812 285 26 25.1 -6.7 | 274 20 20.4 -1.5 55 54 20117 285 18 17.4 -4.7 | 267 13 12.7 0.6 56 51 20422 310 24 18.4 -15.4 | 307 17 13.7 -10.2 57 50 20590 310 16 12.3 -10.3 | 304 9 7.6 -5.0 58 47 21031 310 17 13.0 -10.9 | 304 10 8.3 -5.7 59 44 21336 360 12 -0.0 -12.0 | 35 8 -4.7 -6.7 60 40 21946 360 2 -0.0 -2.0 | 125 6 -4.7 3.3 61 38 22250 265 10 10.0 0.9 | 221 8 5.3 6.1 62 30 23774 0 0 -0.0 -0.0 | 138 7 -4.7 5.3 63 30 23820 25 10 -4.2 -9.1 | 67 10 -8.9 -3.8 64 29 24079 15 10 -2.6 -9.7 | 59 8 -7.3 -4.4 65 28 24384 70 8 -7.5 -2.7 | 102 12 -12.2 2.5 66 23 25603 100 10 -9.8 1.7 | 116 16 -14.5 7.0 67 22 25908 120 11 -9.5 5.5 | 127 18 -14.2 10.8 68 20 26450 85 5 -5.0 -0.4 | 117 11 -9.7 4.8 69 17 27432 355 6 0.5 -6.0 | 80 4 -4.2 -0.7 70 16 27737 135 12 -8.5 8.5 | 136 19 -13.2 13.7 71 16 28042 145 10 -5.7 8.2 | 142 17 -10.4 13.5 72 15 28346 90 13 -13.0 0.0 | 107 18 -17.7 5.3 73 14 28651 145 10 -5.7 8.2 | 142 17 -10.4 13.5 74 14 28956 175 10 -0.9 10.0 | 160 16 -5.6 15.2 75 12 29870 300 2 1.7 -1.0 | 145 5 -3.0 4.3 76 10 31050 295 9 8.2 -3.8 | 247 4 3.5 1.5 77 7 33490 295 24 21.8 -10.1 | 286 18 17.1 -4.9 Wind Parameters Mean winds (0-6000m): 288.4 at 9.4 knts Storm direction: 318.4 at 7.0 knts Shear (0-3000m) pos: 0.0 neg: 1.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -122.7 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -95.5 tot: -53.8 m^2/s^2 ave: -17.9 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 10.2 stream: -3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.03 Bulk Shear: 18.84 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 ------------------------------------------------------------------------------- 500 214 10 185 14| 0.0 9.1 9.1| 19.2 -5.6 13.6 27.1 0.34| 16.5 5.6 1000 201 10 176 15| 0.0 5.7 5.7| 19.2 -43.5 -24.3 -24.3 -0.15| 13.4 -2.0 1500 183 11 166 16| 0.0 3.9 3.9| 30.6 -56.7 -26.1 -17.4 -0.13| 11.0 -1.5 2000 179 10 162 16| 0.0 1.4 1.4| 38.8 -67.9 -29.1 -14.6 -0.14| 10.4 -1.5 2500 177 9 160 15| 0.0 1.7 1.7| 38.8 -88.2 -49.4 -19.8 -0.30| 10.9 -3.2 3000 181 9 162 15| 0.0 1.8 1.8| 41.8 -95.5 -53.8 -17.9 -0.31| 10.2 -3.2 4000 202 9 174 13| 0.5 0.7 1.1| 47.7-100.4 -52.7 -13.2 -0.24| 9.2 -2.2 5000 292 8 233 4| 0.4 1.1 1.5| 55.7-102.2 -46.5 -9.3 -0.10| 9.3 -0.9 6000 288 9 241 5| 0.6 0.9 1.5| 74.4-107.3 -32.9 -5.5 -0.04| 8.7 -0.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250424.12.gif