UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 7 OCT 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 1011 98 16.2 15.1 93 1.1 15.5 160 5 288.4 290.3 288.2 318.4 10.73 1 1000 183 16.2 15.1 93 1.1 15.5 180 13 289.4 291.3 288.6 319.8 10.85 2 987 294 15.6 14.9 96 0.7 15.2 203 18 289.8 291.7 288.8 320.3 10.85 3 982 338 16.0 14.5 91 1.5 15.1 206 19 290.7 292.5 288.9 320.6 10.62 4 979 364 18.6 13.6 73 5.0 15.4 206 20 293.5 295.3 289.4 322.2 10.04 5 964 497 19.8 12.8 64 7.0 15.4 208 23 296.0 297.8 290.0 324.0 9.67 6 928 823 17.2 11.2 68 6.0 13.5 219 23 296.6 298.3 289.6 322.8 9.03 7 925 851 17.2 12.2 72 5.0 14.1 220 23 296.9 298.6 290.3 325.0 9.69 8 883 1247 15.2 11.2 77 4.0 12.7 248 16 298.8 300.5 290.7 326.6 9.50 9 872 1353 14.8 9.8 72 5.0 11.7 241 13 299.5 301.0 290.3 325.2 8.75 10 869 1382 15.0 7.0 59 8.0 10.3 239 13 300.0 301.3 289.2 321.4 7.25 11 868 1392 15.8 -0.2 34 16.0 7.6 239 12 300.9 301.7 286.8 314.0 4.34 12 867 1402 16.2 -0.8 31 17.0 7.6 238 12 301.4 302.2 286.8 314.0 4.16 13 866 1412 16.4 0.4 34 16.0 8.0 237 12 301.7 302.5 287.2 315.5 4.55 14 860 1471 17.0 -6.0 20 23.0 6.3 233 10 302.9 303.5 285.9 311.7 2.84 15 855 1521 16.8 -4.2 23 21.0 6.7 230 9 303.2 303.8 286.5 313.3 3.27 16 851 1561 16.4 1.4 36 15.0 8.4 230 9 303.2 304.1 288.2 318.3 4.98 17 850 1571 16.4 1.4 36 15.0 8.4 230 9 303.3 304.2 288.2 318.4 4.98 18 845 1621 16.2 1.2 36 15.0 8.2 229 10 303.6 304.5 288.3 318.6 4.94 19 840 1672 16.0 -3.0 27 19.0 6.6 228 10 303.9 304.6 287.1 315.2 3.65 20 837 1702 15.8 -1.2 31 17.0 7.1 228 10 304.0 304.8 287.7 316.8 4.18 21 829 1783 14.8 5.8 55 9.0 9.6 226 11 303.8 305.1 290.2 324.8 6.99 22 815 1927 13.4 6.4 63 7.0 9.3 225 12 303.8 305.2 290.6 326.1 7.42 23 807 2010 13.2 5.2 58 8.0 8.6 225 11 304.5 305.7 290.3 325.2 6.89 24 800 2083 12.6 6.6 67 6.0 9.0 225 11 304.6 306.0 291.0 327.6 7.66 25 791 2178 12.2 5.2 62 7.0 8.2 226 11 305.1 306.4 290.7 326.4 7.03 26 789 2199 12.0 3.0 54 9.0 7.1 226 12 305.1 306.3 289.8 323.4 6.03 27 785 2241 12.0 -1.0 41 13.0 5.4 227 12 305.6 306.4 288.6 319.5 4.53 28 782 2273 12.4 -17.6 11 30.0 1.4 227 12 306.4 306.6 285.4 310.4 1.23 29 781 2284 12.6 -20.4 8 33.0 1.1 227 12 306.7 306.9 285.2 309.9 0.97 30 700 3193 6.8 -22.2 10 29.0 -2.6 230 14 310.0 310.2 286.4 313.1 0.92 31 668 3576 4.4 -22.6 12 27.0 -4.2 218 15 311.5 311.7 286.9 314.6 0.93 32 666 3601 4.2 -19.8 15 24.0 -3.9 216 15 311.5 311.8 287.2 315.5 1.19 33 663 3637 4.0 -17.0 20 21.0 -3.6 213 15 311.7 312.0 287.6 316.7 1.52 34 661 3662 3.6 -8.4 41 12.0 -1.7 211 15 311.5 312.1 289.2 321.3 3.07 35 656 3724 3.2 -13.8 27 17.0 -3.4 213 16 311.8 312.1 288.2 318.3 2.01 36 651 3786 2.6 -10.4 38 13.0 -2.8 216 16 311.8 312.3 288.8 320.3 2.66 37 647 3836 2.2 -13.8 29 16.0 -3.9 218 17 311.9 312.3 288.2 318.5 2.03 38 633 4012 0.8 -11.2 40 12.0 -4.1 227 19 312.2 312.7 288.9 320.5 2.57 39 631 4037 0.4 -5.6 64 6.0 -2.4 228 19 312.1 312.8 290.2 324.7 3.99 40 628 4076 0.0 -3.0 80 3.0 -1.5 230 20 312.0 313.0 291.0 327.4 4.89 41 625 4114 0.0 -2.9 81 2.9 -1.4 232 20 312.4 313.4 291.2 328.0 4.95 42 608 4335 -1.9 -4.3 84 2.4 -3.0 239 22 312.7 313.6 290.9 327.2 4.58 43 605 4374 -2.1 -5.3 79 3.2 -3.6 239 23 312.9 313.8 290.7 326.5 4.26 44 594 4520 -3.1 -5.5 83 2.4 -4.2 236 24 313.4 314.2 290.9 327.0 4.27 45 585 4641 -3.5 -9.5 63 6.0 -6.0 235 24 314.3 314.9 290.2 324.6 3.18 46 572 4818 -4.3 -11.3 58 7.0 -7.1 235 23 315.4 316.0 290.2 324.6 2.82 47 567 4888 -4.9 -9.9 68 5.0 -7.0 235 22 315.5 316.1 290.5 325.8 3.18 48 559 4999 -5.5 -12.5 58 7.0 -8.2 236 22 316.1 316.6 290.2 324.7 2.62 49 552 5099 -5.1 -19.1 32 14.0 -9.7 237 21 317.7 318.0 289.6 322.9 1.53 50 540 5271 -6.3 -15.3 49 9.0 -9.5 239 20 318.3 318.7 290.4 325.4 2.15 51 536 5329 -6.1 -20.1 32 14.0 -10.6 240 20 319.2 319.5 290.0 324.1 1.44 52 522 5536 -7.9 -18.9 41 11.0 -11.5 242 19 319.4 319.8 290.3 325.0 1.64 53 518 5596 -8.3 -16.3 52 8.0 -11.1 243 19 319.7 320.1 290.7 326.6 2.07 54 500 5870 -10.3 -16.3 61 6.0 -12.3 230 18 320.5 320.9 291.0 327.7 2.14 55 400 7550 -19.9 -47.9 6 28.0 -23.4 265 13 329.1 329.1 291.6 329.6 0.13 56 300 9610 -36.9 -44.9 43 8.0 -37.6 270 31 333.4 333.4 292.9 334.3 0.23 57 250 10840 -47.7 -54.7 44 7.0 -48.0 285 45 335.2 335.2 293.2 335.5 0.09 58 219 11710 -50.4 -66.9 13 16.5 -50.8 285 68 343.9 343.9 295.3 344.0 0.02 59 200 12300 -52.3 -75.3 5 23.0 -52.7 275 48 349.9 349.9 296.6 350.0 0.01 60 150 14100 -65.9 -78.9 15 13.0 -66.0 280 51 356.6 356.6 298.0 356.6 0.01 61 131 14917 -69.9 -82.9 13 13.0 -69.9 290 55 363.5 363.5 299.4 363.5 0.00 62 100 16530 -69.7 -85.7 8 16.0 -69.8 260 25 393.1 393.1 304.2 393.1 0.00 63 90 17153 -72.1 -86.1 10 14.0 -72.2 271 25 400.3 400.3 305.2 400.3 0.00 64 87 17354 -69.9 -85.9 8 16.0 -70.0 276 25 408.6 408.6 306.3 408.6 0.00 65 80 17851 -71.3 -87.3 8 16.0 -71.4 276 28 415.7 415.7 307.2 415.7 0.00 66 75 18235 -67.9 -87.9 4 20.0 -68.0 278 20 430.5 430.5 308.9 430.6 0.00 67 71 18565 -67.1 -88.1 4 21.0 -67.2 275 18 439.0 439.0 309.8 439.1 0.00 68 70 18650 -67.7 -88.7 3 21.0 -67.8 265 11 439.5 439.6 309.8 439.6 0.00 69 69 18737 -68.1 -89.1 3 21.0 -68.2 274 11 440.5 440.5 309.9 440.5 0.00 70 65 19097 -66.1 -89.1 3 23.0 -66.3 290 10 452.5 452.5 311.1 452.5 0.00 71 63 19286 -67.1 -89.1 3 22.0 -67.3 265 11 454.3 454.3 311.3 454.3 0.00 72 60 19583 -64.1 -89.1 2 25.0 -64.4 236 15 467.4 467.4 312.4 467.4 0.00 73 56 20005 -64.5 -89.5 2 25.0 -64.8 326 16 475.8 475.8 313.1 475.8 0.00 74 50 20700 -62.9 -88.9 2 26.0 -63.3 320 11 495.3 495.3 314.6 495.3 0.00 75 48 20952 -62.1 -89.1 2 27.0 -62.6 316 11 503.0 503.0 315.2 503.0 0.00 76 44 21488 -63.5 -89.5 2 26.0 -63.9 319 7 512.2 512.2 315.8 512.2 0.00 77 41 21925 -60.7 -88.7 1 28.0 -61.3 343 3 529.7 529.7 316.9 529.7 0.00 78 34 23099 -57.5 -87.5 1 30.0 -58.6 321 7 567.2 567.2 319.0 567.2 0.01 79 34 23099 -57.5 -87.5 1 30.0 -58.6 321 7 567.2 567.2 319.0 567.2 0.01 80 30 23890 -57.7 -87.7 1 30.0 -58.9 300 16 587.3 587.3 320.0 587.4 0.01 81 26 24801 -53.9 -85.9 1 32.0 -55.9 296 14 622.7 622.7 321.6 622.7 0.01 82 23 25590 -52.7 -85.7 1 33.0 -55.2 257 10 648.4 648.4 322.6 648.5 0.01 83 21 26176 -53.9 -85.9 1 32.0 -56.3 299 11 661.9 661.9 323.2 662.0 0.01 84 20 26490 -52.7 -85.7 1 33.0 -55.5 260 13 674.9 674.9 323.6 675.0 0.01 85 18 27174 -51.1 -85.1 1 34.0 -54.5 282 18 700.6 700.6 324.4 700.7 0.02 86 13 29318 -45.9 -82.9 1 37.0 -52.2 301 31 786.9 786.9 326.9 787.2 0.03 87 10 31050 -50.1 -85.1 1 35.0 -55.5 260 13 832.5 832.5 328.0 832.8 0.03 88 10 31050 -50.1 -85.1 1 35.0 -55.5 260 13 832.5 832.5 328.0 832.8 0.03 89 9.1 31673 -45.3 -83.3 1 38.0 -53.2 873.7 873.7 328.9 874.1 0.04 90 8.0 32525 -49.1 -85.1 1 36.0 -55.8 891.4 891.4 329.2 891.7 0.04 91 7.8 32692 -46.9 -83.9 1 37.0 -54.7 906.7 906.7 329.5 907.1 0.04 TRP 131 14917 -69.9 -82.9 13 13.0 -69.9 290 55 363.5 363.5 299.4 363.5 0.00 WND 219 11710 -50.4 -66.9 13 16.5 -50.8 285 68 343.9 343.9 295.3 344.0 0.02 Sounding variables and indices 1000-500 mb thick: 5687.00 m Freezing level: 625.00 mb = 4114.10 m = 13497.55 ft Wetbulb zero: 756.53 mb = 2548.43 m = 8360.89 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 47.76 % Est. max temperature: 30.53 C = 86.96 F Sfc-Lift cond lev (LCL): 994.80 mb = 227.33 m = 745.84 ft T: 15.96 C 700-500 lapse rate: 6.39 C/km ThetaE index: 12.59 C Layer 872.0- 867.0 mb Conv cond level (CCL): 729.11 mb = 2854.82 m = 9366.10 ft Mean mixing ratio: 9.91 g/kg Conv temperature: 36.60 C = 97.88 F Cap Strength: 6.70 C Lifted Index: 4.68 C Risk: None Lifted Index @300 mb: 8.20 C Lifted Index @700 mb: 5.32 C Showalter Index: 6.97 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: -0.90 Risk: None Sweat Index: 52.80 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.23 J/kg Max Up Vert Vel: 8.97 m/s Conv Inhibition (B-): 43555.41 J/kg Cap Strength: 6.69 C Lift Cond Lev (LCL): 897.57 mb = 1107.42 m = 3633.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 13 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 1011 98 160 5 -1.7 4.7 | 100 15 -14.5 2.5 1 1000 183 180 13 0.0 13.0 | 130 17 -12.8 10.8 2 986 305 205 18 7.6 16.3 | 160 15 -5.2 14.1 3 951 610 210 26 13.0 22.5 | 181 20 0.2 20.3 4 925 851 220 23 14.8 17.6 | 187 16 2.0 15.4 5 918 914 225 22 15.6 15.6 | 192 14 2.8 13.3 6 886 1219 250 17 16.0 5.8 | 222 5 3.2 3.6 7 855 1524 230 9 6.9 5.8 | 121 7 -5.9 3.6 8 850 1571 230 9 6.9 5.8 | 121 7 -5.9 3.6 9 824 1829 225 12 8.5 8.5 | 146 8 -4.3 6.3 10 795 2134 225 11 7.8 7.8 | 138 7 -5.0 5.6 11 766 2438 230 14 10.7 9.0 | 163 7 -2.0 6.8 12 739 2743 240 14 12.1 7.0 | 172 5 -0.6 4.8 13 700 3193 230 14 10.7 9.0 | 163 7 -2.0 6.8 14 686 3353 235 15 12.3 8.6 | 176 6 -0.5 6.4 15 660 3658 210 15 7.5 13.0 | 154 12 -5.3 10.8 16 612 4267 240 22 19.1 11.0 | 216 11 6.3 8.8 17 589 4572 235 24 19.7 13.8 | 211 13 6.9 11.6 18 566 4877 235 22 18.0 12.6 | 207 12 5.3 10.4 19 505 5791 245 18 16.3 7.6 | 213 6 3.5 5.4 20 500 5870 230 18 13.8 11.6 | 186 9 1.0 9.4 21 485 6096 240 17 14.7 8.5 | 197 7 2.0 6.3 22 466 6401 230 19 14.6 12.2 | 190 10 1.8 10.0 23 430 7010 245 18 16.3 7.6 | 213 6 3.5 5.4 24 413 7315 280 15 14.8 -2.6 | 337 5 2.0 -4.8 25 400 7550 265 13 13.0 1.1 | 350 1 0.2 -1.1 26 396 7620 260 12 11.8 2.1 | 82 1 -1.0 -0.1 27 320 9144 260 37 36.4 6.4 | 260 24 23.7 4.2 28 300 9610 270 31 31.0 -0.0 | 277 18 18.2 -2.2 29 294 9754 270 31 31.0 -0.0 | 277 18 18.2 -2.2 30 250 10840 285 45 43.5 -11.6 | 294 34 30.7 -13.9 31 223 11582 295 60 54.4 -25.4 | 304 50 41.6 -27.6 32 219 11710 285 68 65.7 -17.6 | 291 57 52.9 -19.8 33 213 11887 285 68 65.7 -17.6 | 291 57 52.9 -19.8 34 200 12300 275 48 47.8 -4.2 | 280 36 35.0 -6.4 35 194 12497 275 47 46.8 -4.1 | 280 35 34.1 -6.3 36 159 13716 290 59 55.4 -20.2 | 298 48 42.7 -22.4 37 150 14100 280 51 50.2 -8.9 | 286 39 37.5 -11.1 38 131 14917 290 55 51.7 -18.8 | 298 44 38.9 -21.0 39 124 15240 290 53 49.8 -18.1 | 299 42 37.0 -20.3 40 112 15850 285 54 52.2 -14.0 | 292 43 39.4 -16.2 41 106 16154 295 32 29.0 -13.5 | 314 23 16.2 -15.7 42 101 16459 290 27 25.4 -9.2 | 312 17 12.6 -11.4 43 100 16530 260 25 24.6 4.3 | 260 12 11.9 2.1 44 96 16764 260 25 24.6 4.3 | 260 12 11.9 2.1 45 82 17678 285 25 24.1 -6.5 | 307 14 11.4 -8.7 46 78 17983 270 30 30.0 -0.0 | 277 17 17.2 -2.2 47 74 18288 280 18 17.7 -3.1 | 317 7 5.0 -5.3 48 71 18593 275 18 17.9 -1.6 | 306 6 5.2 -3.8 49 70 18650 265 11 11.0 1.0 | 55 2 -1.8 -1.3 50 67 18898 290 11 10.3 -3.8 | 22 6 -2.4 -6.0 51 64 19202 290 10 9.4 -3.4 | 31 7 -3.4 -5.6 52 61 19507 205 15 6.3 13.6 | 151 13 -6.4 11.4 53 58 19812 320 16 10.3 -12.3 | 10 15 -2.5 -14.5 54 55 20117 330 16 8.0 -13.9 | 17 17 -4.8 -16.1 55 52 20422 295 10 9.1 -4.2 | 30 7 -3.7 -6.4 56 50 20700 320 11 7.1 -8.4 | 28 12 -5.7 -10.6 57 50 20726 320 12 7.7 -9.2 | 24 12 -5.1 -11.4 58 45 21336 310 8 6.1 -5.1 | 42 10 -6.6 -7.4 59 39 22250 0 0 -0.0 -0.0 | 80 13 -12.8 -2.2 60 32 23470 305 10 8.2 -5.7 | 30 9 -4.6 -7.9 61 30 23890 300 16 13.9 -8.0 | 354 10 1.1 -10.2 62 29 24079 295 14 12.7 -5.9 | 1 8 -0.1 -8.1 63 28 24384 310 13 10.0 -8.4 | 15 11 -2.8 -10.6 64 26 24689 275 16 15.9 -1.4 | 319 5 3.2 -3.6 65 25 24994 330 10 5.0 -8.7 | 36 13 -7.8 -10.9 66 24 25298 330 1 0.5 -0.9 | 76 13 -12.3 -3.1 67 23 25603 255 10 9.7 2.6 | 97 3 -3.1 0.4 68 22 25908 290 13 12.2 -4.4 | 5 7 -0.6 -6.7 69 21 26213 300 11 9.5 -5.5 | 23 8 -3.2 -7.7 70 20 26490 260 13 12.8 2.3 | 217 0 0.0 0.0 71 20 26518 280 10 9.8 -1.7 | 36 5 -2.9 -3.9 72 19 26822 260 13 12.8 2.3 | 217 0 0.0 0.0 73 18 27127 285 17 16.4 -4.4 | 331 8 3.7 -6.6 74 17 27432 270 21 21.0 -0.0 | 285 9 8.2 -2.2 75 16 28042 260 27 26.6 4.7 | 260 14 13.8 2.5 76 15 28346 270 26 26.0 -0.0 | 279 13 13.2 -2.2 77 14 28651 255 21 20.3 5.4 | 247 8 7.5 3.2 78 14 28956 265 32 31.9 2.8 | 268 19 19.1 0.6 79 13 29566 325 31 17.8 -25.4 | 350 28 5.0 -27.6 80 12 29870 320 22 14.1 -16.9 | 356 19 1.4 -19.1 81 11 30175 295 17 15.4 -7.2 | 344 10 2.6 -9.4 82 10 31050 260 13 12.8 2.3 | 217 0 0.0 0.0 Wind Parameters Mean winds (0-6000m): 230.2 at 17.3 knts Storm direction: 260.2 at 13.0 knts Shear (0-3000m) pos: 3.8 neg: 1.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 65.2 deg Storm rel helicity (0-3000m) pos: 130.9 neg: -12.4 tot: 118.5 m^2/s^2 ave: 39.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 4.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 4.16 Bulk Shear: 9.68 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 ------------------------------------------------------------------------------- 500 202 18 157 16| 23.4 0.0 23.4| 93.4 0.0 93.4 186.8 0.92| 25.3 23.2 1000 213 20 173 15| 9.7 0.0 9.7|116.9 0.0 116.9 116.9 0.76| 19.6 14.9 1500 220 18 174 12| 6.4 3.4 9.9|119.2 -10.2 109.1 72.7 0.44| 17.3 7.6 2000 221 16 169 10| 4.8 2.2 7.1|123.8 -11.5 112.4 56.2 0.44| 13.8 6.1 2500 222 16 167 10| 4.6 1.8 6.4|130.4 -11.5 119.0 47.6 0.47| 11.9 5.6 3000 225 15 167 9| 3.8 1.6 5.4|130.9 -12.4 118.5 39.5 0.45| 10.4 4.7 4000 225 16 168 9| 3.8 1.5 5.3|154.7 -18.1 136.5 34.1 0.44| 9.7 4.3 5000 228 17 179 9| 3.2 1.2 4.4|165.6 -23.9 141.7 28.3 0.42| 8.7 3.6 6000 230 17 183 9| 2.6 1.2 3.8|169.8 -30.6 139.2 23.2 0.36| 8.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251007.12.gif