UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062700.upa.cvt Date: 0000Z 27 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 27 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 32.8 23.8 59 9.0 26.1 95 4 305.6 309.1 299.1 362.0 18.80 1 1000 126 32.2 22.2 56 10.0 24.9 345 9 305.4 308.5 298.0 356.5 17.09 2 995 171 31.6 21.6 55 10.0 24.3 344 9 305.2 308.3 297.6 354.7 16.54 3 925 823 25.8 20.8 74 5.0 22.2 15 4 305.7 308.8 298.0 356.5 16.95 4 898 1084 23.8 19.5 77 4.3 20.7 87 3 306.2 309.2 297.6 354.5 16.09 5 850 1562 19.2 19.1 99 0.1 19.1 115 4 306.3 309.4 297.9 356.1 16.59 6 841 1654 18.8 18.8 100 0.0 18.8 103 4 306.8 309.8 298.0 356.3 16.46 7 831 1757 18.0 18.0 100 0.0 18.0 90 3 307.0 309.9 297.6 354.6 15.82 8 821 1861 17.0 17.0 100 0.0 17.0 74 3 307.0 309.8 297.1 352.2 15.02 9 809 1987 17.2 14.0 81 3.2 15.0 45 4 308.5 310.8 295.8 346.4 12.52 10 782 2276 14.4 13.8 96 0.6 14.0 26 6 308.5 310.9 296.0 347.3 12.79 11 780 2298 14.8 12.9 88 1.9 13.6 28 7 309.2 311.4 295.7 345.9 12.08 12 771 2396 14.4 12.4 88 2.0 13.1 39 7 309.8 312.0 295.7 345.8 11.82 13 767 2440 15.0 10.0 72 5.0 11.8 44 7 310.9 312.8 294.8 341.9 10.11 14 734 2812 12.0 8.4 79 3.6 9.7 12 6 311.5 313.3 294.5 340.7 9.47 15 722 2950 10.2 9.9 98 0.3 10.0 354 5 311.0 313.0 295.2 343.7 10.67 16 716 3020 9.4 8.7 95 0.7 9.0 345 5 310.9 312.8 294.6 341.3 9.92 17 700 3208 8.6 8.6 100 0.0 8.6 320 4 312.0 313.9 295.0 343.0 10.08 18 690 3327 8.0 8.0 100 0.0 8.0 316 3 312.6 314.5 295.0 342.9 9.81 19 677 3485 8.2 8.2 100 0.0 8.2 311 3 314.6 316.5 295.8 346.1 10.14 20 659 3707 6.0 6.0 100 0.0 6.0 304 4 314.5 316.2 294.9 342.4 8.94 21 656 3744 6.6 6.6 100 0.0 6.6 303 5 315.6 317.4 295.5 344.9 9.37 22 636 3998 4.8 4.7 99 0.1 4.7 294 16 316.4 318.0 295.0 342.9 8.46 23 625 4141 3.4 3.0 97 0.4 3.2 290 14 316.3 317.8 294.4 340.4 7.63 24 615 4271 2.0 -0.2 85 2.2 0.8 285 13 316.2 317.4 293.2 335.7 6.14 25 606 4391 1.4 -0.2 89 1.6 0.5 285 14 316.8 318.0 293.5 336.6 6.24 26 604 4417 1.4 1.0 97 0.4 1.2 285 14 317.1 318.5 294.0 338.8 6.83 27 601 4458 1.2 -1.4 83 2.6 -0.2 285 14 317.4 318.5 293.2 335.7 5.75 28 588 4634 0.6 -4.3 70 4.9 -1.8 283 14 318.6 319.6 292.8 333.9 4.73 29 586 4661 0.4 -4.3 71 4.7 -1.9 283 14 318.7 319.6 292.8 334.1 4.75 30 583 4703 0.6 -6.4 59 7.0 -2.7 281 13 319.4 320.2 292.4 332.7 4.06 31 582 4716 0.4 -4.4 70 4.8 -2.0 281 13 319.4 320.3 293.0 334.7 4.75 32 580 4744 0.4 -6.6 59 7.0 -2.9 280 13 319.7 320.4 292.4 332.8 4.02 33 577 4786 0.4 -5.6 64 6.0 -2.5 278 12 320.1 321.0 292.9 334.4 4.37 34 576 4800 1.0 -7.0 55 8.0 -2.8 278 12 321.0 321.8 292.7 333.9 3.93 35 575 4814 1.2 -3.8 69 5.0 -1.3 278 12 321.4 322.4 293.7 337.8 5.03 36 574 4828 1.2 -3.2 72 4.4 -1.1 277 12 321.6 322.6 294.0 338.7 5.27 37 573 4842 1.2 -5.8 60 7.0 -2.2 277 12 321.7 322.6 293.3 335.9 4.33 38 572 4856 1.0 -4.0 69 5.0 -1.5 276 11 321.6 322.6 293.8 337.9 4.98 39 565 4955 0.4 -3.7 74 4.1 -1.7 273 12 322.1 323.1 294.0 338.9 5.16 40 560 5027 1.0 -6.0 59 7.0 -2.4 271 13 323.6 324.5 293.8 338.0 4.37 41 549 5186 0.4 -7.6 55 8.0 -3.4 265 15 324.7 325.5 293.8 337.8 3.93 42 540 5319 -1.1 -5.6 71 4.5 -3.3 275 13 324.5 325.4 294.3 339.9 4.67 43 536 5378 -1.5 -6.5 69 5.0 -3.9 280 12 324.7 325.6 294.1 339.2 4.39 44 533 5423 -1.9 -13.9 39 12.0 -6.7 284 11 324.7 325.2 292.5 333.0 2.45 45 527 5513 -2.5 -13.5 43 11.0 -7.0 290 10 325.1 325.6 292.7 333.7 2.56 46 526 5528 -2.7 -11.7 50 9.0 -6.5 290 10 325.0 325.6 293.0 335.0 2.97 47 519 5635 -3.5 -11.5 54 8.0 -6.9 290 11 325.3 325.9 293.2 335.6 3.06 48 517 5665 -3.5 -7.4 74 3.9 -5.3 290 11 325.6 326.5 294.3 339.8 4.25 49 515 5696 -3.5 -6.5 80 3.0 -5.0 290 11 326.0 326.9 294.6 341.2 4.57 50 508 5805 -3.9 -9.9 63 6.0 -6.5 290 12 326.8 327.5 294.0 338.7 3.55 51 506 5836 -4.5 -9.2 70 4.7 -6.6 290 12 326.4 327.2 294.1 339.1 3.77 52 504 5867 -4.5 -10.5 63 6.0 -7.1 290 13 326.8 327.5 293.9 338.3 3.41 53 502 5898 -4.1 -10.1 63 6.0 -6.8 290 13 327.7 328.4 294.2 339.6 3.54 54 500 5930 -4.5 -11.5 58 7.0 -7.5 290 13 327.6 328.2 293.9 338.3 3.17 55 400 7650 -15.5 -40.5 10 25.0 -19.9 260 12 334.8 334.9 293.3 335.9 0.28 56 300 9760 -30.5 -52.5 10 22.0 -32.4 235 12 342.4 342.4 295.0 342.8 0.10 57 250 11030 -40.3 -61.3 9 21.0 -41.3 280 6 346.2 346.2 295.8 346.3 0.04 58 200 12510 -53.1 -65.1 22 12.0 -53.4 235 6 348.7 348.7 296.4 348.8 0.03 59 150 14300 -67.1 -74.1 36 7.0 -67.1 190 16 354.5 354.5 297.6 354.5 0.01 60 118 15726 -74.1 -81.1 33 7.0 -74.1 180 11 366.8 366.8 300.0 366.8 0.00 61 100 16700 -70.9 -85.9 9 15.0 -71.0 270 5 390.7 390.7 303.9 390.8 0.00 62 93 17133 -67.9 -84.9 7 17.0 -68.0 265 5 404.9 404.9 305.9 404.9 0.00 63 90 17329 -68.9 -86.9 6 18.0 -69.0 250 5 406.7 406.7 306.1 406.7 0.00 64 85 17671 -68.7 -87.7 5 19.0 -68.8 225 5 413.8 413.8 307.0 413.8 0.00 65 81 17962 -65.7 -88.7 3 23.0 -65.9 203 5 425.7 425.7 308.4 425.7 0.00 66 70 18850 -64.7 -89.7 2 25.0 -64.9 125 6 446.0 446.0 310.5 446.0 0.00 67 67 19117 -65.1 -89.1 2 24.0 -65.3 99 3 450.7 450.7 310.9 450.7 0.00 68 64 19397 -63.5 -89.5 2 26.0 -63.8 97 7 460.2 460.2 311.8 460.2 0.00 69 63 19494 -61.1 -89.1 1 28.0 -61.5 97 8 467.5 467.5 312.4 467.6 0.00 70 58 20010 -58.5 -88.5 1 30.0 -59.1 60 11 484.6 484.6 313.8 484.6 0.00 71 56 20230 -59.7 -87.7 1 28.0 -60.2 22 10 486.8 486.8 314.0 486.8 0.00 72 50 20940 -58.1 -88.1 1 30.0 -58.8 130 7 506.6 506.6 315.4 506.6 0.00 73 45 21602 -59.5 -88.5 1 29.0 -60.2 203 3 518.7 518.7 316.2 518.7 0.00 74 41 22190 -56.1 -87.1 1 31.0 -57.2 328 9 541.1 541.1 317.6 541.2 0.00 75 39 22506 -57.9 -87.9 1 30.0 -58.8 29 18 544.4 544.4 317.8 544.4 0.00 76 33 23574 -52.5 -85.5 1 33.0 -54.4 37 22 585.3 585.3 319.9 585.4 0.01 77 31 23978 -52.5 -85.5 1 33.0 -54.5 62 20 595.9 595.9 320.4 596.0 0.01 78 30 24190 -52.1 -86.1 1 34.0 -54.2 80 16 602.6 602.6 320.7 602.7 0.01 79 27 24873 -50.5 -85.5 1 35.0 -53.2 85 14 625.5 625.5 321.7 625.6 0.01 80 24 25637 -51.5 -85.5 1 34.0 -54.2 65 17 644.1 644.1 322.4 644.1 0.01 81 23 25913 -51.1 -86.1 1 35.0 -53.9 100 20 653.1 653.1 322.8 653.2 0.01 82 23 25913 -49.3 -85.3 1 36.0 -52.7 100 20 658.4 658.4 323.0 658.5 0.01 83 20 26830 -48.3 -84.3 1 36.0 -52.3 105 21 688.3 688.3 324.0 688.5 0.02 84 18 27526 -48.3 -85.3 1 37.0 -52.6 115 20 709.4 709.4 324.7 709.5 0.02 85 17 27906 -45.7 -83.7 1 38.0 -51.1 101 12 729.4 729.4 325.3 729.6 0.02 86 17 27906 -45.7 -83.7 1 38.0 -51.1 101 12 729.4 729.4 325.3 729.6 0.02 87 16 28311 -45.7 -83.7 1 38.0 -51.4 99 14 742.2 742.2 325.7 742.4 0.02 88 15 28741 -46.5 -84.5 1 38.0 -52.1 74 20 753.3 753.4 326.0 753.5 0.02 89 13 29694 -46.1 -84.1 1 38.0 -52.3 65 25 786.2 786.2 326.9 786.4 0.03 90 12 30232 -41.9 -82.9 0 41.0 -50.4 64 27 819.3 819.3 327.7 819.6 0.03 91 11 30824 -40.7 -81.7 0 41.0 -50.2 69 30 844.3 844.3 328.2 844.7 0.05 92 10 31480 -36.7 -78.7 0 42.0 -48.8 75 32 882.5 882.6 329.1 883.4 0.08 93 8.9 32293 -32.9 -76.9 0 44.0 -48.0 85 35 927.1 927.2 329.9 928.5 0.12 94 7.5 33502 -31.1 -75.1 1 44.0 -48.3 99 38 980.9 981.0 330.9 983.2 0.19 95 7.0 33990 -32.1 -76.1 0 44.0 -49.1 105 40 996.3 996.5 331.1 998.5 0.18 96 6.9 34092 -32.3 -76.3 0 44.0 -49.2 999.6 999.7 331.2 1001.7 0.17 97 6.6 34407 -29.7 -74.7 0 45.0 -48.6 1023.3 1023.5 331.6 1026.2 0.23 TRP 118 15726 -74.1 -81.1 33 7.0 -74.1 180 11 366.8 366.8 300.0 366.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 546.60 mb = 5221.76 m = 17131.54 ft Wetbulb zero: 601.35 mb = 4452.88 m = 14608.99 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 80.47 % Est. max temperature: 33.46 C = 92.23 F Sfc-Lift cond lev (LCL): 882.28 mb = 1237.58 m = 4060.27 ft T: 22.32 C 700-500 lapse rate: 4.81 C/km ThetaE index: 9.85 C Layer 831.0- 782.0 mb Conv cond level (CCL): 851.03 mb = 1551.44 m = 5089.98 ft Mean mixing ratio: 16.77 g/kg Conv temperature: 33.46 C = 92.23 F Cap Strength: 0.70 C Lifted Index: -3.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.18 C Lifted Index @700 mb: -3.55 C Showalter Index: -3.64 C Risk: Severe thunderstorms possible Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.60 C K Index: 42.80 Risk: > 80 % chance of thunderstorms Sweat Index: 250.20 Risk: None Energy Index: -3.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1864.70 J/kg Max Up Vert Vel: 61.07 m/s Conv Inhibition (B-): 13.74 J/kg Cap Strength: 0.70 C Lift Cond Lev (LCL): 860.22 mb = 1457.97 m = 4783.30 ft Lev Free Conv (LFC): 835.22 mb = 1713.12 m = 5620.41 ft Equ Level (EL): 145.22 mb = 14492.47 m = 47546.89 ft B at Equ Level: 1859.46 J/kg Max Parcel Lev (MPL): 85.22 mb = 17655.61 m = 57924.52 ft Wind level data Storm motion: 336 at 6 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 95 4 -4.0 0.3 | 132 9 -6.5 5.9 1 1000 126 345 9 2.3 -8.7 | 4 3 -0.2 -3.1 2 980 305 340 8 2.7 -7.5 | 354 2 0.2 -1.9 3 947 610 345 9 2.3 -8.7 | 4 3 -0.2 -3.1 4 925 823 15 4 -1.0 -3.9 | 116 4 -3.6 1.7 5 915 914 65 2 -1.8 -0.8 | 137 6 -4.3 4.7 6 884 1219 105 3 -2.9 0.8 | 139 8 -5.4 6.3 7 850 1562 115 4 -3.6 1.7 | 140 10 -6.2 7.3 8 824 1829 80 3 -3.0 -0.5 | 133 7 -5.5 5.1 9 795 2134 10 6 -1.0 -5.9 | 85 4 -3.6 -0.3 10 767 2438 45 7 -4.9 -4.9 | 95 8 -7.5 0.6 11 739 2743 20 6 -2.1 -5.6 | 89 5 -4.6 -0.1 12 700 3208 320 4 2.6 -3.1 | 181 3 0.0 2.5 13 662 3658 305 2 1.6 -1.1 | 169 5 -0.9 4.4 14 638 3962 295 16 14.5 -6.8 | 276 12 12.0 -1.2 15 614 4267 285 13 12.6 -3.4 | 258 10 10.0 2.2 16 591 4572 285 15 14.5 -3.9 | 262 12 12.0 1.7 17 570 4877 275 11 11.0 -1.0 | 241 10 8.4 4.6 18 548 5182 265 15 14.9 1.3 | 241 14 12.4 6.9 19 528 5486 290 10 9.4 -3.4 | 253 7 6.9 2.2 20 500 5930 290 13 12.2 -4.4 | 263 10 9.7 1.1 21 489 6096 290 14 13.2 -4.8 | 266 11 10.6 0.8 22 470 6401 290 12 11.3 -4.1 | 260 9 8.7 1.5 23 435 7010 260 18 17.7 3.1 | 240 18 15.2 8.7 24 418 7315 270 14 14.0 -0.0 | 244 13 11.5 5.6 25 402 7620 265 13 13.0 1.1 | 237 12 10.4 6.7 26 400 7650 260 12 11.8 2.1 | 231 12 9.3 7.7 27 385 7925 245 10 9.1 4.2 | 214 12 6.5 9.8 28 370 8230 250 10 9.4 3.4 | 217 11 6.9 9.0 29 355 8534 225 11 7.8 7.8 | 201 14 5.3 13.4 30 326 9144 230 12 9.2 7.7 | 207 15 6.7 13.3 31 313 9449 215 16 9.2 13.1 | 200 20 6.7 18.7 32 300 9760 235 12 9.8 6.9 | 210 14 7.3 12.5 33 287 10058 245 10 9.1 4.2 | 214 12 6.5 9.8 34 250 11030 280 6 5.9 -1.0 | 217 6 3.4 4.5 35 200 12510 235 6 4.9 3.4 | 195 9 2.4 9.0 36 157 14021 220 6 3.9 4.6 | 187 10 1.3 10.2 37 150 14300 190 16 2.8 15.8 | 181 21 0.3 21.3 38 149 14326 190 10 1.7 9.8 | 177 15 -0.8 15.4 39 135 14935 200 25 8.6 23.5 | 192 30 6.0 29.1 40 128 15240 200 14 4.8 13.2 | 187 19 2.3 18.7 41 122 15545 195 6 1.6 5.8 | 175 11 -1.0 11.4 42 118 15726 180 11 0.0 11.0 | 171 17 -2.5 16.6 43 110 16154 185 12 1.0 12.0 | 175 18 -1.5 17.5 44 104 16459 320 12 7.7 -9.2 | 305 6 5.2 -3.6 45 100 16700 270 5 5.0 -0.0 | 204 6 2.5 5.6 46 94 17069 270 5 5.0 -0.0 | 204 6 2.5 5.6 47 77 18288 180 5 0.0 5.0 | 167 11 -2.5 10.6 48 70 18850 125 6 -4.9 3.4 | 140 12 -7.4 9.0 49 69 18898 100 1 -1.0 0.2 | 149 7 -3.5 5.7 50 60 19812 95 11 -11.0 1.0 | 116 15 -13.5 6.5 51 54 20422 350 10 1.7 -9.8 | 10 4 -0.8 -4.3 52 50 20940 130 7 -5.4 4.5 | 142 13 -7.9 10.1 53 47 21336 140 4 -2.6 3.1 | 149 10 -5.1 8.6 54 43 21946 280 1 1.0 -0.2 | 164 6 -1.5 5.4 55 39 22555 35 19 -10.9 -15.6 | 53 17 -13.4 -10.0 56 37 22860 20 19 -6.5 -17.9 | 36 15 -9.0 -12.3 57 35 23165 20 19 -6.5 -17.9 | 36 15 -9.0 -12.3 58 32 23774 45 24 -17.0 -17.0 | 60 23 -19.5 -11.4 59 30 24190 80 16 -15.8 -2.8 | 99 18 -18.3 2.8 60 29 24384 75 23 -22.2 -6.0 | 89 25 -24.7 -0.4 61 28 24689 70 13 -12.2 -4.4 | 94 15 -14.7 1.1 62 27 24994 95 15 -14.9 1.3 | 111 19 -17.5 6.9 63 25 25298 85 18 -17.9 -1.6 | 101 21 -20.5 4.0 64 24 25603 60 16 -13.9 -8.0 | 82 17 -16.4 -2.4 65 23 25908 100 20 -19.7 3.5 | 112 24 -22.2 9.0 66 22 26213 95 14 -13.9 1.2 | 112 18 -16.5 6.8 67 21 26518 115 27 -24.5 11.4 | 122 32 -27.0 17.0 68 20 26830 105 21 -20.3 5.4 | 116 25 -22.8 11.0 69 19 27127 100 20 -19.7 3.5 | 112 24 -22.2 9.0 70 18 27432 110 22 -20.7 7.5 | 119 27 -23.2 13.1 71 17 27737 125 16 -13.1 9.2 | 133 21 -15.6 14.7 72 17 28042 85 9 -9.0 -0.8 | 113 12 -11.5 4.8 73 16 28346 100 14 -13.8 2.4 | 116 18 -16.3 8.0 74 15 28651 65 21 -19.0 -8.9 | 81 22 -21.6 -3.3 75 15 28956 90 17 -17.0 0.0 | 106 20 -19.5 5.6 76 13 29870 60 26 -22.5 -13.0 | 73 26 -25.0 -7.4 77 10 31480 75 32 -30.9 -8.3 | 85 34 -33.4 -2.7 78 7 33990 105 40 -38.6 10.4 | 111 44 -41.2 15.9 Wind Parameters Mean winds (0-6000m): 305.6 at 8.2 knts Storm direction: 335.6 at 6.1 knts Shear (0-3000m) pos: 2.1 neg: 3.4 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 27.1 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -15.2 tot: -4.9 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -1.3 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 487.86 Bulk Shear: 3.82 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 ------------------------------------------------------------------------------- 500 344 8 4 2| 0.0 11.3 11.3| 0.3 -4.7 -4.5 -8.9 -0.80| 16.9-13.4 1000 352 6 66 2| 5.1 5.7 10.8| 7.2 -4.7 2.5 2.5 -0.19| 13.8 -2.6 1500 9 5 95 3| 4.0 3.8 7.8| 7.9 -5.2 2.7 1.8 -0.17| 9.9 -1.7 2000 21 5 102 4| 3.0 4.6 7.5| 7.9 -13.9 -6.0 -3.0 -0.28| 9.3 -2.6 2500 24 5 99 5| 2.6 3.6 6.2| 9.1 -15.0 -5.9 -2.4 -0.25| 8.3 -2.1 3000 21 5 98 4| 2.1 3.4 5.5| 10.3 -15.2 -4.9 -1.6 -0.17| 7.9 -1.3 4000 354 6 88 2| 1.6 3.8 5.4| 20.4 -19.3 1.1 0.3 -0.00| 8.3 -0.0 5000 318 7 266 2| 1.3 2.8 4.1| 22.3 -35.2 -12.9 -2.6 -0.07| 7.7 -0.5 6000 306 8 259 4| 1.1 2.6 3.7| 33.1 -35.2 -2.1 -0.3 -0.01| 7.5 -0.1 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250627.00.gif