UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 18 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 1005 98 16.8 0.8 34 16.0 8.9 5 2 289.5 290.2 281.8 301.2 4.03 1 1004 105 16.6 0.6 34 16.0 8.8 359 2 289.4 290.1 281.7 300.9 3.97 2 1002 118 17.0 -1.0 29 18.0 8.4 347 2 290.0 290.6 281.4 300.3 3.54 3 1000 132 17.0 0.0 32 17.0 8.7 335 2 290.1 290.8 281.8 301.2 3.82 4 925 789 11.4 -1.6 40 13.0 5.4 295 9 291.0 291.6 282.0 301.7 3.67 5 915 880 10.6 -2.4 40 13.0 4.6 309 10 291.1 291.7 281.9 301.3 3.50 6 910 925 10.4 -2.6 40 13.0 4.5 316 11 291.3 291.9 282.0 301.5 3.47 7 905 971 10.8 -7.2 28 18.0 3.3 318 12 292.2 292.6 281.1 299.5 2.46 8 891 1101 9.8 -9.2 25 19.0 2.2 324 13 292.4 292.8 280.8 298.9 2.13 9 880 1204 10.0 -14.0 17 24.0 1.4 329 15 293.7 294.0 280.6 298.2 1.47 10 850 1492 9.2 -18.8 12 28.0 0.0 325 19 295.8 296.0 280.9 299.0 1.02 11 838 1610 8.6 -21.4 10 30.0 -0.7 323 20 296.4 296.5 280.9 299.0 0.82 12 823 1760 10.0 -37.0 2 47.0 -1.0 328 21 299.4 299.4 281.4 300.0 0.19 13 815 1841 10.4 331 22 300.6 14 807 1923 10.4 -33.6 3 44.0 -0.8 338 23 301.5 301.5 282.4 302.4 0.28 15 803 1964 10.6 -15.4 14 26.0 1.0 341 23 302.1 302.4 284.1 306.7 1.43 16 797 2027 10.2 -3.8 37 14.0 3.6 346 23 302.3 303.0 286.5 313.4 3.62 17 792 2079 9.8 -0.2 50 10.0 4.7 350 24 302.5 303.3 287.7 316.9 4.76 18 783 2174 9.2 0.2 53 9.0 4.6 357 25 302.8 303.7 288.1 317.8 4.96 19 771 2302 8.0 3.8 75 4.2 5.7 6 27 302.9 304.1 289.5 322.5 6.53 20 751 2518 6.6 3.7 82 2.9 5.0 9 30 303.6 304.9 289.9 323.7 6.66 21 741 2628 7.4 3.3 75 4.1 5.1 360 31 305.7 306.9 290.5 325.6 6.56 22 710 2978 4.8 2.3 84 2.5 3.4 347 30 306.6 307.7 290.6 326.0 6.37 23 700 3094 4.2 1.8 84 2.4 2.9 345 29 307.1 308.3 290.6 326.2 6.24 24 675 3390 3.4 0.6 82 2.8 1.9 341 32 309.5 310.6 291.1 327.8 5.93 25 670 3451 3.8 -0.7 72 4.5 1.5 341 33 310.6 311.6 291.0 327.5 5.43 26 669 3463 4.0 -0.4 73 4.4 1.7 342 33 310.9 312.0 291.2 328.2 5.56 27 645 3760 2.6 -2.0 72 4.6 0.3 344 37 312.6 313.6 291.3 328.7 5.13 28 644 3772 2.6 -2.1 71 4.7 0.2 343 36 312.7 313.7 291.3 328.8 5.10 29 638 3848 2.0 -2.4 73 4.4 -0.2 342 36 312.9 313.8 291.3 328.7 5.03 30 621 4066 1.4 -4.6 64 6.0 -1.5 339 35 314.6 315.5 291.3 328.6 4.38 31 617 4118 1.4 -5.6 60 7.0 -1.9 338 35 315.2 316.0 291.2 328.3 4.08 32 593 4437 -0.5 -7.5 59 7.0 -3.7 330 34 316.6 317.3 291.3 328.5 3.67 33 570 4753 -3.1 -7.3 73 4.2 -5.0 330 37 317.1 317.9 291.6 329.7 3.88 34 564 4837 -3.3 -8.3 68 5.0 -5.5 333 38 317.9 318.6 291.6 329.7 3.63 35 537 5224 -6.1 -10.3 72 4.2 -7.8 340 40 319.0 319.7 291.6 329.7 3.25 36 529 5341 -6.5 -13.5 58 7.0 -9.2 340 41 319.9 320.4 291.3 328.4 2.55 37 522 5446 -7.3 -14.3 57 7.0 -9.9 340 42 320.2 320.6 291.2 328.2 2.42 38 502 5749 -10.1 -14.2 72 4.1 -11.6 340 45 320.4 320.9 291.4 328.8 2.54 39 500 5780 -10.3 -14.5 71 4.2 -11.8 340 45 320.5 321.0 291.4 328.8 2.49 40 498 5811 -10.3 -16.3 61 6.0 -12.4 340 45 320.8 321.3 291.2 328.1 2.15 41 481 6077 -12.5 -16.8 70 4.3 -13.9 340 45 321.3 321.8 291.3 328.5 2.13 42 480 6093 -12.5 -19.5 56 7.0 -14.7 340 45 321.5 321.9 290.9 327.3 1.70 43 478 6124 -12.7 -19.7 56 7.0 -14.9 340 45 321.7 322.0 291.0 327.4 1.68 44 477 6140 -12.7 -17.2 69 4.5 -14.2 340 45 321.9 322.3 291.4 328.9 2.08 45 476 6156 -12.9 -18.9 61 6.0 -14.8 340 45 321.8 322.2 291.1 327.9 1.80 46 468 6285 -13.7 -18.7 66 5.0 -15.3 339 45 322.4 322.7 291.3 328.7 1.87 47 461 6399 -14.3 -22.3 51 8.0 -16.6 338 46 323.0 323.3 291.1 327.8 1.39 48 445 6666 -15.7 -23.7 50 8.0 -17.9 335 46 324.5 324.8 291.4 329.0 1.27 49 435 6837 -16.9 -22.9 60 6.0 -18.6 334 47 325.1 325.4 291.7 330.0 1.39 50 429 6941 -17.7 -24.7 54 7.0 -19.5 333 47 325.4 325.6 291.6 329.6 1.20 51 425 7011 -18.1 -24.1 59 6.0 -19.7 333 47 325.8 326.0 291.8 330.3 1.28 52 405 7369 -21.1 -26.1 64 5.0 -22.2 328 47 326.4 326.6 291.8 330.4 1.12 53 402 7423 -21.7 -26.7 64 5.0 -22.8 326 47 326.3 326.5 291.7 330.1 1.07 54 400 7460 -21.9 -26.3 67 4.4 -22.9 325 46 326.5 326.7 291.9 330.5 1.12 55 300 9510 -36.3 -42.3 54 6.0 -36.9 320 59 334.2 334.3 293.2 335.4 0.31 56 250 10750 -46.7 -53.7 45 7.0 -47.0 320 63 336.6 336.7 293.6 337.1 0.10 57 205 12042 -54.3 -63.1 33 8.8 -54.5 305 73 344.3 344.3 295.4 344.4 0.04 58 200 12200 -55.3 -64.3 32 9.0 -55.5 310 72 345.2 345.2 295.6 345.3 0.03 59 150 13990 -64.9 -79.9 11 15.0 -65.0 300 59 358.3 358.3 298.4 358.3 0.00 60 118 15441 -69.9 -83.9 11 14.0 -69.9 305 47 374.5 374.5 301.4 374.5 0.00 61 100 16430 -69.7 -86.7 7 17.0 -69.8 340 32 393.1 393.1 304.2 393.1 0.00 62 96 16672 -71.1 -87.1 8 16.0 -71.2 340 33 394.9 394.9 304.5 394.9 0.00 63 90 17058 -67.3 -86.3 5 19.0 -67.4 315 29 409.9 409.9 306.5 409.9 0.00 64 88 17193 -68.1 -87.1 5 19.0 -68.2 324 28 410.9 410.9 306.6 410.9 0.00 65 85 17403 -64.9 -86.9 3 22.0 -65.1 331 27 421.5 421.5 307.9 421.5 0.00 66 83 17548 -64.7 -87.7 3 23.0 -64.9 314 28 424.8 424.8 308.3 424.8 0.00 67 77 18003 -67.5 -87.5 4 20.0 -67.7 316 30 428.1 428.1 308.6 428.2 0.00 68 72 18409 -65.9 -87.9 3 22.0 -66.1 343 23 439.8 439.8 309.8 439.9 0.00 69 70 18580 -66.9 -88.9 3 22.0 -67.1 360 11 441.3 441.3 310.0 441.3 0.00 70 68 18754 -67.7 -89.7 3 22.0 -67.8 7 15 443.2 443.2 310.2 443.2 0.00 71 55 20049 -60.3 -88.3 1 28.0 -60.8 319 17 487.9 487.9 314.1 487.9 0.00 72 50 20640 -60.9 -87.9 2 27.0 -61.4 325 4 500.0 500.0 314.9 500.0 0.00 73 46 21157 -62.1 -89.1 2 27.0 -62.6 327 8 509.1 509.1 315.6 509.2 0.00 74 43 21577 -60.1 -88.1 1 28.0 -60.7 322 16 524.0 524.0 316.5 524.0 0.00 75 42 21723 -61.3 -88.3 2 27.0 -61.9 338 15 524.5 524.5 316.6 524.6 0.00 76 39 22186 -59.1 -88.1 1 29.0 -59.9 325 10 541.3 541.3 317.6 541.4 0.00 77 35 22865 -59.1 -88.1 1 29.0 -60.0 18 10 558.4 558.4 318.6 558.4 0.00 78 33 23235 -57.5 -87.5 1 30.0 -58.6 326 11 572.1 572.1 319.3 572.1 0.01 79 32 23430 -57.9 -86.9 1 29.0 -59.0 298 11 576.1 576.1 319.5 576.1 0.01 80 30 23840 -54.5 -85.5 1 31.0 -56.2 235 16 596.1 596.1 320.5 596.1 0.01 81 29 24057 -54.3 -86.3 1 32.0 -56.1 230 16 602.4 602.4 320.7 602.5 0.01 82 27 24513 -55.1 -86.1 1 31.0 -56.8 222 20 612.6 612.6 321.2 612.7 0.01 83 26 24755 -54.1 -86.1 1 32.0 -56.1 246 22 622.1 622.1 321.6 622.2 0.01 84 26 24755 -51.9 -84.9 1 33.0 -54.3 246 22 628.3 628.4 321.8 628.4 0.01 85 24 25275 -49.7 -83.7 1 34.0 -52.8 319 12 649.3 649.3 322.7 649.4 0.01 86 20 26460 -52.3 -85.3 1 33.0 -55.1 230 19 676.1 676.1 323.6 676.2 0.01 87 16 27910 -50.3 -84.3 1 34.0 -54.2 254 31 727.2 727.2 325.3 727.3 0.02 88 15 28333 -47.9 -82.9 1 35.0 -52.9 264 18 748.7 748.7 325.9 748.9 0.03 89 14 28787 -49.1 -84.1 1 35.0 -53.9 241 19 759.5 759.6 326.2 759.7 0.02 90 13 29277 -45.9 -82.9 1 37.0 -52.2 243 15 786.9 786.9 326.9 787.2 0.03 91 12 29810 -45.5 -82.5 1 37.0 -52.2 234 18 806.5 806.6 327.4 806.9 0.04 92 11 30390 -46.1 -82.1 1 36.0 -52.9 236 20 824.7 824.7 327.8 825.1 0.04 93 10 31020 -48.7 -83.7 1 35.0 -54.7 225 18 837.8 837.8 328.1 838.1 0.04 94 8.9 31785 -49.3 -84.3 1 35.0 -55.5 863.8 863.9 328.7 864.2 0.04 95 7.6 32831 -44.9 -81.9 1 37.0 -53.8 921.5 921.5 329.8 922.2 0.06 96 7.1 33284 -46.1 -83.1 1 37.0 -54.7 934.7 934.7 330.1 935.3 0.06 TRP 118 15441 -69.9 -83.9 11 14.0 -69.9 305 47 374.5 374.5 301.4 374.5 0.00 WND 205 12042 -54.3 -63.1 33 8.8 -54.5 305 73 344.3 344.3 295.4 344.4 0.04 Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 599.32 mb = 4353.48 m = 14282.91 ft Wetbulb zero: 849.66 mb = 1495.29 m = 4905.74 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 56.15 % Est. max temperature: 22.70 C = 72.86 F Sfc-Lift cond lev (LCL): 789.83 mb = 2101.74 m = 6895.37 ft T: 9.66 C 700-500 lapse rate: 5.40 C/km ThetaE index: 3.24 C Layer 905.0- 850.0 mb Conv cond level (CCL): 505.98 mb = 5687.75 m = 18660.36 ft Mean mixing ratio: 3.68 g/kg Conv temperature: 47.64 C = 117.74 F Cap Strength: 18.11 C Lifted Index: 17.69 C Risk: None Lifted Index @300 mb: 23.39 C Lifted Index @700 mb: 12.85 C Showalter Index: 19.36 C Risk: None Total Totals Index: 11.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: -8.50 C K Index: -1.70 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 6.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.42 J/kg Max Up Vert Vel: 2.61 m/s Conv Inhibition (B-): 63521.17 J/kg Cap Strength: 18.09 C Lift Cond Lev (LCL): 762.08 mb = 2397.36 m = 7865.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 10 at 21 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 1005 98 5 2 -0.2 -2.0 | 191 19 3.6 19.0 1 1000 132 335 2 0.8 -1.8 | 193 20 4.6 19.2 2 980 305 10 5 -0.9 -4.9 | 190 16 2.9 16.0 3 945 610 310 5 3.8 -3.2 | 203 19 7.6 17.8 4 925 789 295 9 8.2 -3.8 | 215 21 11.9 17.2 5 911 914 315 11 7.8 -7.8 | 221 18 11.5 13.2 6 878 1219 330 15 7.5 -13.0 | 235 14 11.2 8.0 7 850 1492 325 19 10.9 -15.6 | 250 16 14.6 5.4 8 847 1524 320 19 12.2 -14.6 | 248 17 15.9 6.4 9 816 1829 330 22 11.0 -19.1 | 263 15 14.7 1.9 10 786 2134 355 24 2.1 -23.9 | 297 7 5.8 -2.9 11 758 2438 15 30 -7.8 -29.0 | 27 9 -4.0 -8.0 12 730 2743 350 32 5.6 -31.5 | 319 14 9.3 -10.5 13 700 3094 345 29 7.5 -28.0 | 302 13 11.2 -7.0 14 678 3353 340 31 10.6 -29.1 | 300 16 14.3 -8.2 15 652 3658 345 37 9.6 -35.7 | 318 20 13.3 -14.8 16 604 4267 335 34 14.4 -30.8 | 299 21 18.1 -9.8 17 582 4572 325 35 20.1 -28.7 | 288 25 23.8 -7.7 18 560 4877 335 39 16.5 -35.3 | 305 25 20.2 -14.4 19 539 5182 340 40 13.7 -37.6 | 314 24 17.4 -16.6 20 500 5780 340 45 15.4 -42.3 | 318 29 19.1 -21.3 21 479 6096 340 45 15.4 -42.3 | 318 29 19.1 -21.3 22 408 7315 330 48 24.0 -41.6 | 307 35 27.7 -20.6 23 400 7460 325 46 26.4 -37.7 | 299 34 30.1 -16.7 24 391 7620 325 46 26.4 -37.7 | 299 34 30.1 -16.7 25 375 7925 330 43 21.5 -37.2 | 303 30 25.2 -16.3 26 330 8839 310 45 34.5 -28.9 | 282 39 38.2 -8.0 27 316 9144 320 51 32.8 -39.1 | 296 41 36.5 -18.1 28 303 9449 325 56 32.1 -45.9 | 305 44 35.8 -24.9 29 300 9510 320 59 37.9 -45.2 | 300 48 41.7 -24.2 30 250 10750 320 63 40.5 -48.3 | 302 52 44.2 -27.3 31 205 12042 305 73 59.8 -41.9 | 288 67 63.5 -20.9 32 200 12192 305 73 59.8 -41.9 | 288 67 63.5 -20.9 33 200 12200 310 72 55.2 -46.3 | 293 64 58.9 -25.3 34 157 13716 320 60 38.6 -46.0 | 301 49 42.3 -25.0 35 150 13990 300 59 51.1 -29.5 | 279 55 54.8 -8.5 36 142 14326 300 60 52.0 -30.0 | 279 56 55.7 -9.0 37 128 14935 310 63 48.3 -40.5 | 291 56 52.0 -19.5 38 122 15240 320 52 33.4 -39.8 | 297 42 37.2 -18.9 39 118 15441 305 47 38.5 -27.0 | 278 43 42.2 -6.0 40 110 15850 300 51 44.2 -25.5 | 275 48 47.9 -4.5 41 100 16430 340 32 10.9 -30.1 | 302 17 14.7 -9.1 42 95 16764 340 33 11.3 -31.0 | 304 18 15.0 -10.0 43 90 17069 315 29 20.5 -20.5 | 269 24 24.2 0.5 44 86 17374 335 27 11.4 -24.5 | 283 16 15.1 -3.5 45 81 17678 300 29 25.1 -14.5 | 257 30 28.8 6.5 46 73 18288 330 31 15.5 -26.8 | 287 20 19.2 -5.9 47 70 18580 360 11 -0.0 -11.0 | 201 11 3.7 10.0 48 70 18593 10 19 -3.3 -18.7 | 191 2 0.4 2.3 49 66 18898 5 12 -1.0 -12.0 | 197 9 2.7 9.0 50 63 19202 300 13 11.3 -6.5 | 226 21 15.0 14.5 51 60 19507 325 15 8.6 -12.3 | 235 15 12.3 8.7 52 57 19812 315 17 12.0 -12.0 | 240 18 15.7 8.9 53 52 20422 325 17 9.8 -13.9 | 242 15 13.5 7.0 54 50 20640 325 4 2.3 -3.3 | 199 19 6.0 17.7 55 49 20726 340 20 6.8 -18.8 | 258 11 10.6 2.2 56 47 21031 340 4 1.4 -3.8 | 196 18 5.1 17.2 57 45 21336 310 13 10.0 -8.4 | 227 19 13.7 12.6 58 43 21641 325 17 9.8 -13.9 | 242 15 13.5 7.0 59 41 21946 10 10 -1.7 -9.8 | 190 11 2.0 11.1 60 39 22250 315 10 7.1 -7.1 | 218 18 10.8 13.9 61 35 22860 20 10 -3.4 -9.4 | 182 12 0.3 11.6 62 30 23774 250 12 11.3 4.1 | 211 29 15.0 25.1 63 30 23840 235 16 13.1 9.2 | 209 35 16.8 30.1 64 29 24079 230 16 12.3 10.3 | 207 35 16.0 31.3 65 28 24384 215 18 10.3 14.7 | 201 38 14.1 35.7 66 26 24689 230 23 17.6 14.8 | 211 42 21.3 35.8 67 25 24994 295 20 18.1 -8.5 | 240 25 21.9 12.5 68 24 25298 320 12 7.7 -9.2 | 224 16 11.4 11.8 69 23 25603 270 7 7.0 -0.0 | 207 24 10.7 21.0 70 22 25908 230 11 8.4 7.1 | 203 31 12.2 28.0 71 20 26460 230 19 14.6 12.2 | 209 38 18.3 33.2 72 20 26518 200 20 6.8 18.8 | 195 41 10.6 39.8 73 18 27127 250 29 27.3 9.9 | 225 44 31.0 30.9 74 17 27432 250 27 25.4 9.2 | 224 42 29.1 30.2 75 16 28042 255 32 30.9 8.3 | 230 45 34.6 29.2 76 15 28346 265 18 17.9 1.6 | 224 31 21.7 22.5 77 14 28651 240 21 18.2 10.5 | 215 38 21.9 31.5 78 13 29261 245 15 13.6 6.3 | 212 32 17.3 27.3 79 12 29566 230 15 11.5 9.6 | 206 34 15.2 30.6 80 11 30175 240 21 18.2 10.5 | 215 38 21.9 31.5 81 10 31020 225 18 12.7 12.7 | 206 37 16.5 33.7 Wind Parameters Mean winds (0-6000m): 340.1 at 28.4 knts Storm direction: 10.1 at 21.3 knts Shear (0-3000m) pos: 4.2 neg: 2.9 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 130.7 neg: -49.2 tot: 81.4 m^2/s^2 ave: 27.1 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 77.43 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 ------------------------------------------------------------------------------- 500 347 4 195 17| 0.0 4.2 4.2| 21.9 -4.5 17.4 34.9 0.44| 8.7 3.9 1000 321 7 207 18| 4.4 2.1 6.5| 63.9 -4.5 59.5 59.5 0.62| 10.2 6.3 1500 324 10 217 16| 2.9 3.5 6.4| 86.4 -4.5 81.9 54.6 0.66| 9.3 6.2 2000 329 13 227 14| 4.1 2.6 6.7|113.9 -4.5 109.5 54.7 0.66| 10.2 6.7 2500 342 16 237 10| 5.1 2.1 7.1|130.7 -17.9 112.8 45.1 0.54| 11.7 6.3 3000 344 19 251 9| 4.2 2.9 7.1|130.7 -49.2 81.4 27.1 0.32| 11.5 3.7 4000 343 22 273 10| 3.2 3.0 6.2|155.0 -75.1 79.9 20.0 0.27| 10.4 2.8 5000 340 25 283 13| 3.5 3.0 6.5|217.2-106.5 110.6 22.1 0.26| 10.1 2.6 6000 340 28 293 15| 3.2 2.6 5.8|237.6-106.6 130.9 21.8 0.27| 8.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251018.00.gif