UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070812.upa.cvt Date: 1200Z 8 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 8 JUL 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 1006 98 25.2 23.8 92 1.4 24.2 0 0 297.8 301.2 297.1 352.4 18.76 1 1003 120 24.6 23.1 91 1.5 23.5 293 1 297.5 300.8 296.5 349.7 18.02 2 1000 143 24.6 22.7 89 1.9 23.2 225 3 297.8 300.9 296.4 348.9 17.63 3 980 322 27.0 20.0 66 7.0 22.1 281 6 301.9 304.7 295.9 346.7 15.19 4 957 532 26.2 18.2 61 8.0 20.6 291 10 303.1 305.7 295.3 344.3 13.87 5 925 832 23.8 17.8 69 6.0 19.6 290 13 303.6 306.2 295.6 345.2 14.00 6 907 1004 22.2 17.9 77 4.3 19.2 289 14 303.7 306.4 295.8 346.4 14.37 7 892 1149 21.8 17.2 75 4.6 18.6 286 13 304.8 307.3 295.8 346.4 13.98 8 883 1237 21.6 12.6 57 9.0 15.7 285 13 305.4 307.4 293.5 336.7 10.44 9 873 1336 21.4 10.4 49 11.0 14.4 287 13 306.2 307.9 292.7 333.7 9.11 10 868 1386 21.2 11.2 53 10.0 14.8 288 14 306.5 308.3 293.2 335.7 9.67 11 850 1567 19.8 10.8 56 9.0 14.0 265 13 306.9 308.7 293.3 335.9 9.61 12 848 1587 19.6 12.6 64 7.0 15.0 264 13 306.9 308.9 294.3 339.7 10.87 13 837 1700 18.6 12.6 68 6.0 14.7 260 15 307.0 309.0 294.4 340.2 11.02 14 820 1876 17.2 10.2 63 7.0 12.7 254 18 307.3 309.1 293.4 336.3 9.57 15 793 2161 14.6 11.5 82 3.1 12.6 245 20 307.5 309.5 294.4 340.2 10.81 16 770 2409 13.0 8.2 73 4.8 10.0 249 21 308.4 310.0 293.2 335.4 8.90 17 738 2766 10.8 7.9 82 2.9 9.0 246 22 309.7 311.4 293.7 337.6 9.10 18 719 2983 10.0 3.0 62 7.0 6.1 253 21 311.2 312.4 292.2 331.7 6.62 19 717 3007 9.8 4.8 71 5.0 6.9 253 21 311.2 312.6 292.9 334.5 7.54 20 701 3194 8.4 4.3 75 4.1 6.0 260 20 311.7 313.1 293.0 334.7 7.45 21 700 3206 8.2 4.1 75 4.1 5.8 260 20 311.6 313.0 292.9 334.3 7.36 22 683 3409 7.2 2.4 72 4.8 4.5 258 20 312.6 313.9 292.6 333.5 6.68 23 675 3506 6.6 -0.4 61 7.0 2.9 253 21 313.0 314.1 291.8 330.3 5.51 24 667 3603 6.0 1.7 74 4.3 3.6 248 22 313.4 314.7 292.7 333.8 6.50 25 660 3690 5.6 -0.4 65 6.0 2.4 245 22 313.9 315.0 292.2 331.7 5.64 26 648 3840 4.6 -0.3 70 4.9 2.0 244 21 314.4 315.6 292.4 332.7 5.79 27 644 3890 4.2 -1.8 65 6.0 1.1 243 21 314.5 315.5 292.0 331.0 5.21 28 638 3966 3.8 0.8 81 3.0 2.2 243 21 314.9 316.2 293.0 335.0 6.37 29 621 4185 2.4 -0.2 83 2.6 1.0 241 20 315.8 316.9 293.0 335.0 6.08 30 612 4303 2.4 -2.6 70 5.0 -0.2 240 20 317.1 318.1 292.7 333.6 5.17 31 608 4356 2.0 -3.0 69 5.0 -0.5 241 20 317.2 318.2 292.6 333.4 5.05 32 607 4369 1.8 -4.2 64 6.0 -1.2 241 19 317.1 318.0 292.3 332.0 4.62 33 605 4396 2.0 -6.0 55 8.0 -1.8 242 19 317.7 318.5 291.9 330.7 4.04 34 603 4423 2.0 -9.0 44 11.0 -2.9 242 19 318.0 318.6 291.3 328.5 3.21 35 579 4749 -0.3 -8.3 55 8.0 -3.9 248 17 319.0 319.7 291.9 330.5 3.53 36 577 4777 -0.3 -9.3 51 9.0 -4.3 248 17 319.3 320.0 291.7 330.1 3.28 37 574 4819 -0.7 -7.7 59 7.0 -3.9 249 16 319.3 320.1 292.1 331.5 3.73 38 566 4931 -1.3 -11.3 46 10.0 -5.5 252 16 319.9 320.5 291.5 329.3 2.85 39 565 4945 -1.5 -11.5 46 10.0 -5.7 253 17 319.8 320.4 291.5 329.1 2.81 40 562 4987 -1.5 -17.5 28 16.0 -7.2 255 17 320.3 320.7 290.6 326.2 1.72 41 557 5058 -2.1 -9.1 59 7.0 -5.2 258 18 320.4 321.1 292.2 331.8 3.45 42 554 5101 -2.5 -10.5 54 8.0 -5.9 260 18 320.5 321.1 291.9 330.7 3.10 43 551 5145 -2.5 -18.5 28 16.0 -8.1 262 18 321.0 321.3 290.7 326.5 1.61 44 546 5217 -2.9 -17.9 30 15.0 -8.2 265 19 321.3 321.6 290.9 327.1 1.71 45 540 5304 -3.5 -27.5 14 24.0 -10.1 263 20 321.6 321.8 290.0 324.2 0.74 46 537 5348 -3.7 -23.7 20 20.0 -9.8 262 21 321.9 322.1 290.5 325.6 1.05 47 535 5378 -3.9 -15.9 39 12.0 -8.4 261 21 322.0 322.4 291.4 329.0 2.07 48 533 5407 -4.1 -16.1 39 12.0 -8.5 261 22 322.1 322.5 291.5 329.0 2.04 49 531 5437 -4.5 -11.5 58 7.0 -7.4 260 22 322.0 322.6 292.2 331.9 2.99 50 525 5527 -5.1 -9.0 74 3.9 -6.8 258 23 322.3 323.0 292.9 334.5 3.69 51 521 5587 -4.9 -14.9 45 10.0 -8.7 257 24 323.2 323.7 292.0 331.0 2.31 52 520 5602 -4.7 -15.7 42 11.0 -8.8 256 24 323.7 324.1 292.0 331.0 2.16 53 500 5910 -6.1 -17.1 41 11.0 -10.1 250 28 325.6 326.0 292.4 332.5 2.00 54 400 7620 -16.3 -20.8 68 4.5 -17.7 250 22 333.8 334.2 294.4 340.3 1.82 55 300 9720 -31.3 -41.3 37 10.0 -32.6 250 35 341.3 341.3 295.0 342.6 0.34 56 250 10980 -41.5 -53.5 26 12.0 -42.2 240 39 344.4 344.4 295.4 344.8 0.10 57 200 12460 -53.5 -67.5 17 14.0 -53.8 240 40 348.0 348.1 296.2 348.1 0.02 58 150 14260 -61.1 -82.1 5 21.0 -61.3 250 22 364.8 364.8 299.6 364.8 0.00 59 124 15428 -67.7 -85.7 6 18.0 -67.8 225 26 373.2 373.2 301.1 373.2 0.00 60 100 16720 -69.9 -86.9 7 17.0 -70.0 175 15 392.7 392.7 304.2 392.7 0.00 61 93 17151 -70.5 -87.5 6 17.0 -70.6 197 11 399.7 399.7 305.2 399.7 0.00 62 83 17832 -65.9 -87.9 3 22.0 -66.1 130 3 422.3 422.3 308.0 422.3 0.00 63 80 18055 -66.5 -88.5 3 22.0 -66.7 100 2 425.6 425.6 308.3 425.6 0.00 64 78 18209 -64.3 -88.3 2 24.0 -64.5 90 4 433.2 433.2 309.1 433.2 0.00 65 74 18530 -64.9 -88.9 2 24.0 -65.1 130 14 438.5 438.5 309.7 438.5 0.00 66 70 18870 -63.5 -88.5 2 25.0 -63.8 95 11 448.5 448.5 310.7 448.5 0.00 67 62 19620 -60.9 -87.9 2 27.0 -61.3 96 12 470.1 470.1 312.7 470.1 0.00 68 57 20142 -61.5 -88.5 2 27.0 -61.9 103 16 480.2 480.2 313.5 480.2 0.00 69 51 20836 -58.5 -87.5 1 29.0 -59.2 96 18 502.8 502.8 315.1 502.8 0.00 70 50 20960 -59.5 -88.5 1 29.0 -60.1 85 19 503.3 503.3 315.2 503.3 0.00 71 47 21348 -59.1 -88.1 1 29.0 -59.8 90 20 513.2 513.2 315.8 513.2 0.00 72 37 22871 -53.3 -86.3 1 33.0 -54.9 103 17 564.4 564.4 318.9 564.5 0.01 73 36 23047 -54.3 -86.3 1 32.0 -55.8 89 20 566.3 566.3 319.0 566.3 0.01 74 32 23804 -54.1 -86.1 1 32.0 -55.8 91 29 586.2 586.2 320.0 586.3 0.01 75 30 24220 -52.1 -86.1 1 34.0 -54.2 105 24 602.6 602.6 320.7 602.7 0.01 76 28 24668 -51.3 -85.3 1 34.0 -53.7 107 25 616.8 616.8 321.3 616.9 0.01 77 27 24904 -52.7 -85.7 1 33.0 -54.9 113 22 619.4 619.4 321.5 619.4 0.01 78 25 25403 -51.3 -85.3 1 34.0 -53.9 87 15 637.2 637.2 322.2 637.2 0.01 79 23 25944 -52.7 -85.7 1 33.0 -55.2 86 16 648.4 648.4 322.6 648.5 0.01 80 21 26538 -48.1 -84.1 1 36.0 -52.0 76 23 679.4 679.4 323.7 679.5 0.02 81 20 26860 -48.3 -83.3 1 35.0 -52.3 85 25 688.3 688.3 324.0 688.5 0.02 82 18 27552 -49.7 -84.7 1 35.0 -53.5 94 23 705.0 705.0 324.6 705.1 0.02 83 14 29209 -46.9 -83.9 1 37.0 -52.5 90 38 767.0 767.0 326.4 767.2 0.02 84 12 30241 -42.5 -82.5 0 40.0 -50.7 85 35 817.2 817.2 327.7 817.5 0.04 85 11 30834 -38.7 -80.7 0 42.0 -49.3 83 34 851.6 851.6 328.4 852.1 0.05 86 10 31490 -37.9 -79.9 0 42.0 -49.4 80 32 878.1 878.1 329.0 878.8 0.07 87 9.5 31844 -38.3 -80.3 0 42.0 -49.8 82 32 889.5 889.6 329.2 890.2 0.07 88 7.0 33970 -33.9 -76.9 1 43.0 -49.7 95 31 988.9 989.0 331.0 990.7 0.16 89 6.7 34277 -33.9 -76.9 1 43.0 -49.9 1001.4 1001.5 331.2 1003.3 0.16 TRP 124 15428 -67.7 -85.7 6 18.0 -67.8 225 26 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 582.13 mb = 4706.70 m = 15441.75 ft Wetbulb zero: 613.20 mb = 4287.28 m = 14065.71 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 63.63 % Est. max temperature: 34.14 C = 93.45 F Sfc-Lift cond lev (LCL): 986.15 mb = 266.36 m = 873.87 ft T: 26.26 C 700-500 lapse rate: 5.29 C/km ThetaE index: 12.76 C Layer 883.0- 868.0 mb Conv cond level (CCL): 814.83 mb = 1929.49 m = 6330.27 ft Mean mixing ratio: 14.84 g/kg Conv temperature: 34.72 C = 94.50 F Cap Strength: 3.66 C Lifted Index: -1.73 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.76 C Lifted Index @700 mb: -1.31 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 16.90 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 183.60 Risk: None Energy Index: -0.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 467.89 J/kg Max Up Vert Vel: 30.59 m/s Conv Inhibition (B-): 111.63 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 876.40 mb = 1302.05 m = 4271.76 ft Lev Free Conv (LFC): 771.40 mb = 2394.12 m = 7854.65 ft Equ Level (EL): 241.40 mb = 11212.27 m = 36785.21 ft B at Equ Level: 466.13 J/kg Max Parcel Lev (MPL): 151.40 mb = 14202.02 m = 46593.97 ft Wind level data Storm motion: 286 at 14 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 1006 98 0 0 -0.0 -0.0 | 106 14 -13.3 3.7 1 1000 143 225 3 2.1 2.1 | 117 13 -11.2 5.8 2 982 305 280 6 5.9 -1.0 | 110 8 -7.4 2.6 3 949 610 295 12 10.9 -5.1 | 60 3 -2.4 -1.4 4 925 832 290 13 12.2 -4.4 | 55 1 -1.1 -0.8 5 916 914 290 14 13.2 -4.8 | 7 1 -0.1 -1.1 6 885 1219 285 13 12.6 -3.4 | 114 1 -0.7 0.3 7 854 1524 290 14 13.2 -4.8 | 7 1 -0.1 -1.1 8 850 1567 265 13 13.0 1.1 | 176 5 -0.3 4.8 9 824 1829 255 18 17.4 4.7 | 206 9 4.1 8.3 10 795 2134 245 20 18.1 8.5 | 202 13 4.8 12.1 11 767 2438 250 21 19.7 7.2 | 211 13 6.4 10.9 12 739 2743 245 22 19.9 9.3 | 207 15 6.7 13.0 13 700 3206 260 20 19.7 3.5 | 222 10 6.4 7.2 14 687 3353 260 20 19.7 3.5 | 222 10 6.4 7.2 15 662 3658 245 22 19.9 9.3 | 207 15 6.7 13.0 16 613 4267 240 20 17.3 10.0 | 196 14 4.0 13.7 17 569 4877 250 16 15.0 5.5 | 191 9 1.7 9.2 18 547 5182 265 19 18.9 1.7 | 227 8 5.6 5.3 19 500 5910 250 28 26.3 9.6 | 224 19 13.0 13.3 20 488 6096 250 29 27.3 9.9 | 226 19 14.0 13.6 21 433 7010 245 33 29.9 13.9 | 223 24 16.6 17.6 22 400 7620 250 22 20.7 7.5 | 213 13 7.4 11.2 23 400 7620 250 23 21.6 7.9 | 216 14 8.3 11.6 24 325 9144 260 28 27.6 4.9 | 239 17 14.3 8.5 25 311 9449 240 27 23.4 13.5 | 210 20 10.1 17.2 26 300 9720 250 35 32.9 12.0 | 231 25 19.6 15.7 27 286 10058 250 44 41.3 15.0 | 236 34 28.1 18.7 28 250 10973 240 37 32.0 18.5 | 220 29 18.8 22.2 29 250 10980 240 39 33.8 19.5 | 221 31 20.5 23.2 30 208 12192 250 39 36.6 13.3 | 234 29 23.4 17.0 31 200 12460 240 40 34.6 20.0 | 222 32 21.4 23.7 32 199 12497 240 40 34.6 20.0 | 222 32 21.4 23.7 33 172 13411 260 36 35.5 6.3 | 246 24 22.2 9.9 34 156 14021 235 27 22.1 15.5 | 205 21 8.8 19.2 35 150 14260 250 22 20.7 7.5 | 213 13 7.4 11.2 36 148 14326 230 24 18.4 15.4 | 195 20 5.1 19.1 37 141 14630 250 21 19.7 7.2 | 211 13 6.4 10.9 38 134 14935 235 16 13.1 9.2 | 179 13 -0.2 12.9 39 128 15240 225 19 13.4 13.4 | 180 17 0.1 17.1 40 124 15428 225 26 18.4 18.4 | 193 23 5.1 22.1 41 122 15545 220 26 16.7 19.9 | 188 24 3.4 23.6 42 116 15850 240 27 23.4 13.5 | 210 20 10.1 17.2 43 110 16154 295 19 17.2 -8.0 | 318 6 3.9 -4.3 44 104 16459 335 10 4.2 -9.1 | 59 11 -9.1 -5.4 45 100 16720 175 15 -1.3 14.9 | 142 24 -14.6 18.6 46 99 16764 140 10 -6.4 7.7 | 120 23 -19.7 11.3 47 94 17069 190 12 2.1 11.8 | 144 19 -11.2 15.5 48 90 17374 215 10 5.7 8.2 | 148 14 -7.6 11.9 49 81 17983 105 1 -1.0 0.3 | 105 15 -14.3 3.9 50 77 18288 85 5 -5.0 -0.4 | 100 19 -18.3 3.3 51 73 18593 140 16 -10.3 12.3 | 124 28 -23.6 15.9 52 70 18870 95 11 -11.0 1.0 | 101 25 -24.2 4.6 53 70 18898 140 12 -7.7 9.2 | 122 25 -21.0 12.9 54 66 19202 90 15 -15.0 0.0 | 97 29 -28.3 3.7 55 63 19507 100 13 -12.8 2.3 | 103 27 -26.1 5.9 56 60 19812 90 11 -11.0 0.0 | 99 25 -24.3 3.7 57 57 20117 105 16 -15.5 4.1 | 105 30 -28.7 7.8 58 55 20422 85 12 -12.0 -1.0 | 96 25 -25.2 2.6 59 52 20726 105 18 -17.4 4.7 | 105 32 -30.7 8.3 60 50 20960 85 19 -18.9 -1.7 | 94 32 -32.2 2.0 61 49 21031 70 18 -16.9 -6.2 | 85 30 -30.2 -2.5 62 47 21336 90 20 -20.0 0.0 | 96 33 -33.3 3.7 63 45 21641 95 20 -19.9 1.7 | 99 34 -33.2 5.4 64 41 22250 90 22 -22.0 0.0 | 96 35 -35.3 3.7 65 39 22555 115 21 -19.0 8.9 | 111 35 -32.3 12.6 66 37 22860 105 17 -16.4 4.4 | 105 31 -29.7 8.1 67 35 23165 80 22 -21.7 -3.8 | 90 35 -35.0 -0.1 68 32 23774 90 29 -29.0 0.0 | 95 42 -42.3 3.7 69 30 24220 105 24 -23.2 6.2 | 105 38 -36.5 9.9 70 29 24384 100 28 -27.6 4.9 | 102 42 -40.9 8.5 71 27 24994 115 21 -19.0 8.9 | 111 35 -32.3 12.6 72 25 25298 80 15 -14.8 -2.6 | 92 28 -28.1 1.1 73 24 25603 100 14 -13.8 2.4 | 103 28 -27.1 6.1 74 23 25908 85 15 -14.9 -1.3 | 95 28 -28.2 2.4 75 22 26213 90 22 -22.0 0.0 | 96 35 -35.3 3.7 76 20 26822 65 24 -21.8 -10.1 | 80 36 -35.0 -6.5 77 20 26860 85 25 -24.9 -2.2 | 92 38 -38.2 1.5 78 19 27127 75 30 -29.0 -7.8 | 84 42 -42.3 -4.1 79 18 27432 90 26 -26.0 0.0 | 95 39 -39.3 3.7 80 18 27737 100 20 -19.7 3.5 | 102 34 -33.0 7.2 81 17 28042 70 22 -20.7 -7.5 | 84 34 -34.0 -3.8 82 14 29261 90 38 -38.0 0.0 | 94 51 -51.3 3.7 83 10 31490 80 32 -31.5 -5.6 | 88 45 -44.8 -1.9 84 7 33970 95 31 -30.9 2.7 | 98 45 -44.2 6.4 Wind Parameters Mean winds (0-6000m): 255.5 at 18.4 knts Storm direction: 285.5 at 13.8 knts Shear (0-3000m) pos: 0.6 neg: 3.4 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 28.0 neg: -11.6 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 21.57 Bulk Shear: 21.69 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 ------------------------------------------------------------------------------- 500 283 7 108 7| 0.0 12.1 12.1| 9.8 -7.1 2.7 5.3 -0.12| 14.3 -1.7 1000 288 10 99 4| 0.0 6.9 6.9| 9.9 -7.6 2.2 2.2 -0.14| 8.8 -1.2 1500 287 11 100 3| 0.0 4.7 4.7| 10.1 -7.8 2.3 1.5 0.21| 10.0 2.1 2000 275 13 166 3| 0.0 5.1 5.1| 14.7 -9.6 5.1 2.5 0.22| 9.6 2.1 2500 267 14 193 5| 0.4 4.1 4.4| 20.5 -10.6 9.9 4.0 0.24| 8.3 2.0 3000 263 16 200 6| 0.6 3.4 4.0| 28.0 -11.6 16.4 5.5 0.26| 7.8 2.0 4000 258 17 205 8| 0.5 2.7 3.2| 29.8 -28.9 0.9 0.2 0.13| 7.0 0.9 5000 256 17 203 9| 1.1 2.1 3.2| 37.6 -34.2 3.5 0.7 0.14| 6.5 0.9 6000 256 18 209 9| 0.9 2.8 3.7| 43.4 -38.1 5.3 0.9 0.14| 6.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250708.12.gif