UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025063000.upa.cvt Date: 0000Z 30 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 30 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 1004 98 30.6 23.6 66 7.0 25.4 240 7 303.4 306.8 298.4 358.6 18.57 1 1000 125 30.0 22.0 62 8.0 24.2 260 6 303.1 306.3 297.3 353.2 16.87 2 976 343 28.0 22.0 70 6.0 23.6 253 6 303.2 306.4 297.6 354.6 17.30 3 965 444 27.6 19.6 62 8.0 21.9 246 6 303.8 306.6 296.3 348.5 15.04 4 925 820 24.6 18.6 69 6.0 20.4 320 1 304.5 307.2 296.3 348.4 14.74 5 908 983 23.2 18.2 73 5.0 19.7 358 1 304.6 307.4 296.3 348.3 14.64 6 867 1384 19.4 17.4 88 2.0 18.0 26 2 304.7 307.4 296.3 348.2 14.57 7 850 1555 18.8 14.4 76 4.4 15.8 330 3 305.8 308.1 294.9 342.5 12.23 8 849 1565 18.8 13.9 73 4.9 15.5 330 3 305.9 308.1 294.7 341.5 11.84 9 837 1687 18.0 13.4 74 4.6 15.0 325 5 306.3 308.5 294.6 341.3 11.62 10 800 2074 15.8 10.8 72 5.0 12.6 312 10 308.0 309.9 294.1 339.0 10.22 11 743 2697 11.0 8.5 85 2.5 9.5 296 9 309.3 311.1 293.9 338.1 9.42 12 736 2776 10.8 6.4 74 4.4 8.2 295 9 310.0 311.5 293.1 335.2 8.22 13 719 2971 9.8 4.8 71 5.0 6.9 295 8 310.9 312.4 292.9 334.2 7.52 14 700 3194 8.4 5.1 80 3.3 6.5 295 6 311.8 313.3 293.4 336.2 7.90 15 663 3641 5.2 3.3 88 1.9 4.1 276 7 313.1 314.5 293.3 335.9 7.34 16 634 4005 3.6 1.2 84 2.4 2.2 268 13 315.3 316.5 293.3 336.1 6.60 17 629 4070 3.2 -1.0 74 4.2 1.0 262 12 315.5 316.6 292.7 333.5 5.66 18 628 4083 3.4 -1.6 70 5.0 0.8 261 12 315.9 316.9 292.6 333.1 5.42 19 624 4134 3.2 0.0 79 3.2 1.5 257 11 316.3 317.4 293.3 335.7 6.14 20 604 4398 2.0 -3.0 69 5.0 -0.6 247 13 317.8 318.8 292.8 334.1 5.08 21 594 4533 1.0 -1.2 85 2.2 -0.2 249 17 318.2 319.3 293.6 337.1 5.91 22 590 4587 1.0 -1.7 82 2.7 -0.4 250 19 318.8 319.9 293.6 337.2 5.73 23 538 5324 -3.7 -4.0 98 0.3 -3.8 234 23 321.7 322.8 294.0 338.9 5.30 24 533 5398 -3.7 -5.4 88 1.7 -4.6 237 22 322.6 323.5 293.9 338.3 4.80 25 529 5457 -4.3 -5.4 92 1.1 -4.8 239 21 322.6 323.5 293.9 338.4 4.84 26 523 5547 -4.9 -6.6 88 1.7 -5.7 242 20 322.9 323.8 293.7 337.6 4.47 27 520 5593 -4.9 -7.4 83 2.5 -6.1 243 20 323.4 324.2 293.7 337.3 4.22 28 507 5791 -6.7 -8.0 90 1.3 -7.3 250 18 323.6 324.4 293.6 337.2 4.13 29 505 5822 -6.9 -8.3 90 1.4 -7.5 257 17 323.7 324.5 293.6 337.1 4.05 30 504 5838 -6.9 -8.9 86 2.0 -7.8 260 16 323.9 324.7 293.5 336.7 3.87 31 502 5869 -6.7 -9.9 78 3.2 -8.1 268 14 324.5 325.2 293.4 336.5 3.59 32 500 5900 -6.9 -10.2 77 3.3 -8.3 275 13 324.6 325.3 293.4 336.4 3.52 33 495 5978 -6.9 -10.9 73 4.0 -8.6 275 12 325.6 326.2 293.5 336.9 3.36 34 493 6010 -6.9 -13.9 57 7.0 -9.6 275 12 325.9 326.5 293.0 334.9 2.65 35 486 6121 -7.7 -14.7 57 7.0 -10.4 276 11 326.3 326.8 293.0 334.9 2.52 36 473 6332 -9.3 -12.9 75 3.6 -10.8 286 12 326.8 327.4 293.6 337.0 3.00 37 472 6348 -9.3 -12.3 79 3.0 -10.5 287 12 327.0 327.7 293.7 337.7 3.15 38 464 6480 -10.1 -12.7 81 2.6 -11.2 290 12 327.7 328.3 293.9 338.2 3.11 39 448 6750 -11.5 -15.6 72 4.1 -13.0 288 13 329.2 329.7 293.8 337.9 2.53 40 420 7242 -14.5 -16.6 84 2.1 -15.3 285 14 331.5 332.0 294.3 340.1 2.49 41 400 7610 -17.1 -19.5 82 2.4 -17.9 295 16 332.8 333.2 294.3 340.0 2.04 42 374 8112 -20.3 -22.4 83 2.1 -20.9 278 13 335.0 335.3 294.6 341.1 1.70 43 319 9273 -28.9 -31.9 75 3.0 -29.5 258 11 338.6 338.8 294.7 341.8 0.83 44 301 9686 -32.3 -34.4 82 2.1 -32.6 232 15 339.5 339.7 294.8 342.1 0.69 45 300 9710 -32.5 -34.6 81 2.1 -32.8 230 16 339.6 339.7 294.8 342.1 0.68 46 291 9924 -34.1 -37.1 74 3.0 -34.5 233 15 340.3 340.4 294.9 342.4 0.54 47 250 10970 -42.5 -45.6 72 3.1 -42.8 245 30 342.9 342.9 295.3 343.9 0.26 48 230 11525 -47.3 -50.7 68 3.4 -47.5 251 29 343.8 343.9 295.4 344.5 0.16 49 222 11757 -49.1 -52.8 65 3.7 -49.3 253 28 344.6 344.6 295.6 345.1 0.13 50 221 11786 -49.3 -54.0 58 4.7 -49.5 254 28 344.7 344.7 295.6 345.2 0.11 51 216 11935 -50.5 -54.5 62 4.0 -50.7 254 29 345.1 345.1 295.6 345.6 0.11 52 200 12430 -54.5 -58.9 58 4.4 -54.6 245 35 346.5 346.5 295.9 346.7 0.07 53 194 12625 -56.1 -61.1 53 5.0 -56.2 244 35 346.9 346.9 296.0 347.2 0.05 54 182 13028 -59.9 -64.8 53 4.9 -60.0 241 36 347.1 347.2 296.0 347.3 0.03 55 178 13166 -61.1 -65.4 57 4.3 -61.2 241 35 347.4 347.4 296.1 347.5 0.03 56 166 13597 -64.3 -70.3 44 6.0 -64.4 252 30 349.0 349.1 296.4 349.1 0.02 57 165 13634 -64.5 -71.5 38 7.0 -64.6 253 30 349.3 349.3 296.5 349.4 0.01 58 164 13671 -63.5 -72.5 28 9.0 -63.6 254 30 351.6 351.6 297.0 351.7 0.01 59 150 14220 -63.3 -78.3 11 15.0 -63.4 305 15 361.0 361.0 298.9 361.1 0.01 60 119 15629 -69.1 -80.1 19 11.0 -69.2 255 13 375.1 375.1 301.5 375.1 0.01 61 100 16680 -65.9 -86.9 4 21.0 -66.0 340 18 400.4 400.4 305.3 400.4 0.00 62 98 16803 -64.9 -86.9 3 22.0 -65.1 340 18 404.7 404.7 305.8 404.7 0.00 63 88 17451 -68.7 -87.7 5 19.0 -68.8 11 7 409.7 409.7 306.5 409.7 0.00 64 86 17590 -65.1 -88.1 3 23.0 -65.3 4 3 419.7 419.7 307.7 419.7 0.00 65 81 17956 -62.7 -88.7 2 26.0 -63.0 23 9 431.8 431.8 309.0 431.8 0.00 66 71 18763 -64.1 -89.1 2 25.0 -64.3 277 12 445.4 445.4 310.4 445.4 0.00 67 70 18850 -63.9 -88.9 2 25.0 -64.1 305 14 447.7 447.7 310.6 447.7 0.00 68 59 19902 -61.7 -88.7 2 27.0 -62.1 2 13 475.1 475.1 313.1 475.1 0.00 69 56 20224 -62.9 -88.9 2 26.0 -63.3 21 12 479.5 479.5 313.4 479.5 0.00 70 52 20684 -59.3 -88.3 1 29.0 -59.9 48 10 498.1 498.1 314.8 498.1 0.00 71 50 20930 -58.7 -88.7 1 30.0 -59.4 15 6 505.2 505.2 315.3 505.2 0.00 72 46 21458 -56.5 -87.5 1 31.0 -57.4 15 11 522.6 522.7 316.5 522.7 0.00 73 43 21885 -57.7 -87.7 1 30.0 -58.6 57 15 529.9 529.9 316.9 529.9 0.00 74 42 22035 -55.9 -87.9 1 32.0 -57.0 70 13 537.9 537.9 317.4 537.9 0.00 75 39 22507 -56.3 -87.3 1 31.0 -57.4 67 13 548.4 548.4 318.0 548.5 0.00 76 35 23201 -53.1 -86.1 1 33.0 -54.8 91 22 574.0 574.0 319.3 574.0 0.01 77 30 24200 -51.3 -85.3 1 34.0 -53.6 130 11 604.8 604.8 320.8 604.8 0.01 78 21 26538 -46.7 -83.7 1 37.0 -51.1 94 23 683.6 683.6 323.9 683.8 0.02 79 20 26860 -47.9 -83.9 1 36.0 -52.0 85 30 689.6 689.6 324.1 689.7 0.02 80 19 27198 -49.1 -85.1 1 36.0 -53.0 82 30 696.0 696.0 324.3 696.1 0.01 81 18 27556 -46.3 -84.3 1 38.0 -51.3 86 27 715.7 715.7 324.9 715.8 0.02 82 17 27935 -47.7 -84.7 1 37.0 -52.4 90 27 723.0 723.0 325.1 723.1 0.02 83 14 29222 -46.3 -84.3 1 38.0 -52.2 86 26 769.0 769.0 326.4 769.2 0.02 84 13 29720 -42.3 -83.3 0 41.0 -50.3 82 32 799.4 799.4 327.3 799.6 0.03 85 12 30259 -43.9 -82.9 1 39.0 -51.4 81 38 812.2 812.2 327.5 812.5 0.03 86 10 31490 -41.9 -82.9 0 41.0 -51.2 90 39 863.1 863.2 328.7 863.5 0.04 87 9.2 32058 -39.5 -80.5 0 41.0 -50.5 88 39 893.1 893.2 329.3 893.8 0.07 88 8.7 32444 -35.1 -78.1 0 43.0 -49.0 86 39 924.6 924.7 329.9 925.8 0.10 89 7.0 33970 -31.7 -75.7 0 44.0 -48.9 80 39 998.0 998.1 331.2 1000.3 0.19 90 5.6 35559 -28.5 -73.5 1 45.0 -49.2 1077.9 1078.1 332.4 1082.2 0.33 TRP 119 15629 -69.1 -80.1 19 11.0 -69.2 255 13 375.1 375.1 301.5 375.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 578.94 mb = 4744.10 m = 15564.46 ft Wetbulb zero: 609.52 mb = 4324.62 m = 14188.22 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 79.43 % Est. max temperature: 32.78 C = 91.00 F Sfc-Lift cond lev (LCL): 907.71 mb = 985.48 m = 3233.16 ft T: 23.17 C 700-500 lapse rate: 5.65 C/km ThetaE index: 20.43 C Layer 965.0- 700.0 mb Conv cond level (CCL): 834.69 mb = 1711.02 m = 5613.51 ft Mean mixing ratio: 15.60 g/kg Conv temperature: 33.65 C = 92.57 F Cap Strength: 1.03 C Lifted Index: -4.11 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.34 C Lifted Index @700 mb: -2.28 C Showalter Index: -1.12 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 21.30 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 191.80 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1465.49 J/kg Max Up Vert Vel: 54.14 m/s Conv Inhibition (B-): 30.84 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 865.49 mb = 1399.27 m = 4590.74 ft Lev Free Conv (LFC): 790.49 mb = 2174.57 m = 7134.33 ft Equ Level (EL): 160.49 mb = 13804.33 m = 45289.25 ft B at Equ Level: 1434.21 J/kg Max Parcel Lev (MPL): 100.49 mb = 16650.61 m = 54627.31 ft Wind level data Storm motion: 291 at 8 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 1004 98 240 7 6.1 3.5 | 170 6 -1.1 6.3 1 1000 125 260 6 5.9 1.0 | 161 4 -1.3 3.8 2 980 305 255 6 5.8 1.6 | 162 5 -1.4 4.3 3 947 610 235 5 4.1 2.9 | 151 6 -3.1 5.7 4 925 820 320 1 0.6 -0.8 | 107 7 -6.6 2.0 5 915 914 335 1 0.4 -0.9 | 105 7 -6.8 1.9 6 883 1219 80 1 -1.0 -0.2 | 108 9 -8.2 2.6 7 850 1555 330 3 1.5 -2.6 | 92 6 -5.7 0.2 8 823 1829 320 8 5.1 -6.1 | 32 4 -2.1 -3.3 9 794 2134 310 11 8.4 -7.1 | 344 4 1.2 -4.3 10 766 2438 300 9 7.8 -4.5 | 341 2 0.6 -1.7 11 738 2743 295 9 8.2 -3.8 | 317 1 1.0 -1.0 12 700 3194 295 6 5.4 -2.5 | 98 2 -1.8 0.3 13 661 3658 275 7 7.0 -0.6 | 174 2 -0.2 2.2 14 636 3962 270 13 13.0 -0.0 | 244 6 5.8 2.8 15 613 4267 245 9 8.2 3.8 | 188 7 1.0 6.6 16 590 4572 250 19 17.9 6.5 | 229 14 10.6 9.3 17 568 4877 230 18 13.8 11.6 | 205 16 6.6 14.4 18 547 5182 230 24 18.4 15.4 | 212 21 11.2 18.2 19 507 5791 250 18 16.9 6.2 | 227 13 9.7 8.9 20 500 5900 275 13 13.0 -1.1 | 254 6 5.7 1.7 21 487 6096 275 11 11.0 -1.0 | 244 4 3.8 1.8 22 468 6401 290 12 11.3 -4.1 | 288 4 4.1 -1.3 23 416 7315 285 14 13.5 -3.6 | 278 6 6.3 -0.8 24 400 7610 295 16 14.5 -6.8 | 299 8 7.3 -4.0 25 399 7620 300 16 13.9 -8.0 | 308 8 6.7 -5.2 26 383 7925 275 15 14.9 -1.3 | 259 8 7.7 1.5 27 367 8230 280 11 10.8 -1.9 | 256 4 3.6 0.9 28 338 8839 285 14 13.5 -3.6 | 278 6 6.3 -0.8 29 324 9144 260 12 11.8 2.1 | 223 7 4.6 4.9 30 311 9449 255 10 9.7 2.6 | 205 6 2.5 5.4 31 300 9710 230 16 12.3 10.3 | 201 14 5.1 13.1 32 298 9754 230 13 10.0 8.4 | 194 11 2.8 11.1 33 261 10668 245 26 23.6 11.0 | 230 21 16.4 13.8 34 250 10970 245 30 27.2 12.7 | 232 25 20.0 15.5 35 217 11887 255 28 27.0 7.2 | 243 22 19.8 10.0 36 200 12430 245 35 31.7 14.8 | 234 30 24.5 17.6 37 179 13106 240 36 31.2 18.0 | 229 32 24.0 20.8 38 163 13716 255 29 28.0 7.5 | 244 23 20.8 10.3 39 155 14021 295 26 23.6 -11.0 | 297 18 16.4 -8.2 40 150 14220 305 15 12.3 -8.6 | 319 8 5.1 -5.8 41 140 14630 300 14 12.1 -7.0 | 311 6 4.9 -4.2 42 133 14935 265 15 14.9 1.3 | 242 9 7.7 4.1 43 127 15240 295 18 16.3 -7.6 | 298 10 9.1 -4.8 44 119 15629 255 13 12.6 3.4 | 221 8 5.4 6.2 45 115 15850 255 13 12.6 3.4 | 221 8 5.4 6.2 46 109 16154 270 13 13.0 -0.0 | 244 6 5.8 2.8 47 104 16459 275 15 14.9 -1.3 | 259 8 7.7 1.5 48 100 16680 340 18 6.2 -16.9 | 4 14 -1.0 -14.1 49 94 17069 340 18 6.2 -16.9 | 4 14 -1.0 -14.1 50 89 17374 15 10 -2.6 -9.7 | 55 12 -9.8 -6.9 51 85 17678 0 0 -0.0 -0.0 | 111 8 -7.2 2.8 52 81 17983 25 10 -4.2 -9.1 | 61 13 -11.4 -6.3 53 77 18288 125 4 -3.3 2.3 | 116 12 -10.5 5.1 54 70 18850 305 14 11.5 -8.0 | 321 7 4.3 -5.2 55 69 18898 235 10 8.2 5.7 | 187 9 1.0 8.5 56 66 19202 320 16 10.3 -12.3 | 342 10 3.1 -9.5 57 52 20726 50 10 -7.7 -6.4 | 76 15 -14.9 -3.6 58 50 20930 15 6 -1.6 -5.8 | 71 9 -8.8 -3.0 59 49 21031 115 10 -9.1 4.2 | 113 18 -16.3 7.0 60 47 21336 15 8 -2.1 -7.7 | 62 11 -9.3 -4.9 61 45 21641 15 16 -4.1 -15.5 | 42 17 -11.3 -12.7 62 43 21946 65 15 -13.6 -6.3 | 80 21 -20.8 -3.6 63 41 22250 80 9 -8.9 -1.6 | 94 16 -16.1 1.2 64 37 22860 50 18 -13.8 -11.6 | 67 23 -21.0 -8.8 65 35 23165 90 23 -23.0 0.0 | 95 30 -30.2 2.8 66 34 23470 95 19 -18.9 1.7 | 100 27 -26.1 4.4 67 32 23774 90 21 -21.0 0.0 | 96 28 -28.2 2.8 68 31 24079 130 16 -12.3 10.3 | 124 23 -19.5 13.1 69 30 24200 130 11 -8.4 7.1 | 122 18 -15.6 9.9 70 29 24384 115 15 -13.6 6.3 | 114 23 -20.8 9.1 71 28 24689 140 10 -6.4 7.7 | 127 17 -13.6 10.4 72 25 25298 125 13 -10.6 7.5 | 120 21 -17.9 10.2 73 24 25603 40 10 -6.4 -7.7 | 70 14 -13.6 -4.9 74 23 25908 70 17 -16.0 -5.8 | 83 23 -23.2 -3.0 75 22 26213 50 16 -12.3 -10.3 | 69 21 -19.5 -7.5 76 21 26518 95 22 -21.9 1.9 | 99 29 -29.1 4.7 77 20 26860 85 30 -29.9 -2.6 | 90 37 -37.1 0.2 78 19 27127 80 31 -30.5 -5.4 | 86 38 -37.7 -2.6 79 18 27432 90 27 -27.0 0.0 | 95 34 -34.2 2.8 80 18 27737 80 26 -25.6 -4.5 | 87 33 -32.8 -1.7 81 16 28346 110 28 -26.3 9.6 | 110 36 -33.5 12.4 82 14 29261 85 26 -25.9 -2.3 | 91 33 -33.1 0.5 83 12 30175 80 38 -37.4 -6.6 | 85 45 -44.6 -3.8 84 10 31490 90 39 -39.0 0.0 | 93 46 -46.2 2.8 85 7 33970 80 39 -38.4 -6.8 | 85 46 -45.6 -4.0 Wind Parameters Mean winds (0-6000m): 261.1 at 10.3 knts Storm direction: 291.1 at 7.7 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -80.6 deg Storm rel helicity (0-3000m) pos: 1.3 neg: -23.4 tot: -22.1 m^2/s^2 ave: -7.4 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 489.81 Bulk Shear: 2.99 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 ------------------------------------------------------------------------------- 500 251 6 159 5| 0.0 2.1 2.1| 0.0 -2.5 -2.4 -4.9 -0.37| 4.8 -1.8 1000 254 4 138 5| 3.1 1.0 4.1| 0.2 -9.3 -9.1 -9.1 -0.54| 6.1 -3.3 1500 264 3 128 5| 2.1 1.1 3.1| 1.0 -15.0 -13.9 -9.3 -0.51| 5.9 -3.0 2000 293 4 108 3| 1.5 2.5 4.0| 1.0 -22.6 -21.6 -10.8 -0.64| 6.3 -4.1 2500 298 5 96 2| 1.2 1.6 2.8| 1.0 -23.4 -22.3 -8.9 -0.61| 5.7 -3.4 3000 297 6 93 2| 1.0 0.9 2.0| 1.3 -23.4 -22.1 -7.4 -0.50| 5.2 -2.6 4000 290 7 119 1| 0.8 1.3 2.1| 4.9 -27.4 -22.6 -5.6 -0.29| 5.3 -1.6 5000 270 9 205 3| 0.6 2.2 2.8| 25.5 -53.9 -28.3 -5.7 -0.21| 6.5 -1.4 6000 261 10 214 5| 1.9 1.8 3.7| 60.3 -54.9 5.4 0.9 -0.05| 7.2 -0.4 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250630.00.gif