UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 10 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 1019 98 15.4 2.4 42 13.0 8.9 360 6 287.0 287.8 281.2 299.7 4.46 1 1007 192 15.0 1.0 39 14.0 8.2 13 10 287.6 288.3 281.0 299.3 4.08 2 1000 248 14.4 1.4 41 13.0 8.0 20 12 287.5 288.3 281.2 299.6 4.23 3 925 899 8.4 0.4 57 8.0 4.6 70 10 287.9 288.6 281.4 300.1 4.25 4 869 1411 3.6 -0.3 76 3.9 1.8 86 11 288.1 288.8 281.5 300.4 4.30 5 864 1458 4.0 -5.0 52 9.0 0.3 88 10 289.0 289.5 280.4 297.9 3.05 6 862 1477 5.2 -9.8 33 15.0 -0.4 88 10 290.4 290.8 279.8 296.7 2.10 7 858 1515 5.0 -9.0 36 14.0 -0.3 90 10 290.6 291.0 280.1 297.3 2.25 8 853 1562 4.6 -11.4 30 16.0 -1.2 62 7 290.7 291.0 279.7 296.3 1.87 9 851 1581 5.0 -18.0 17 23.0 -2.1 47 5 291.3 291.5 278.9 294.7 1.09 10 850 1591 5.2 -15.8 20 21.0 -1.7 40 4 291.6 291.8 279.4 295.6 1.31 11 842 1668 6.6 -35.4 3 42.0 -2.7 56 4 293.9 293.9 278.9 294.6 0.22 12 824 1845 5.4 -36.6 3 42.0 -3.6 83 3 294.4 294.4 279.1 295.1 0.20 13 817 1915 6.0 -37.0 3 43.0 -3.3 50 3 295.8 295.8 279.7 296.4 0.20 14 766 2441 5.0 -42.0 2 47.0 -4.3 30 3 300.2 300.2 281.6 300.6 0.12 15 716 2988 2.4 -39.6 3 42.0 -6.1 347 6 303.2 303.2 282.9 303.8 0.17 16 708 3079 2.8 -39.2 3 42.0 -6.0 346 6 304.6 304.6 283.5 305.2 0.18 17 700 3171 2.4 -41.6 2 44.0 -6.3 345 7 305.1 305.2 283.7 305.7 0.14 18 681 3393 1.2 -30.8 7 32.0 -6.7 349 8 306.2 306.3 284.4 307.7 0.43 19 654 3718 0.6 -35.4 5 36.0 -7.5 352 9 309.1 309.2 285.4 310.1 0.29 20 653 3730 0.6 -35.4 5 36.0 -7.5 351 9 309.2 309.3 285.4 310.3 0.29 21 650 3767 0.4 -35.6 5 36.0 -7.7 349 10 309.4 309.5 285.5 310.4 0.28 22 635 3954 -0.7 -33.7 6 33.0 -8.3 337 11 310.2 310.3 285.8 311.5 0.35 23 633 3979 -0.9 -21.9 19 21.0 -7.2 335 11 310.3 310.5 286.6 313.8 1.05 24 590 4537 -5.1 -29.1 13 24.0 -10.9 303 12 311.7 311.8 286.6 313.7 0.58 25 578 4698 -6.3 -22.3 27 16.0 -10.9 304 12 312.1 312.4 287.3 315.9 1.11 26 572 4779 -6.1 -28.1 16 22.0 -11.6 306 13 313.3 313.4 287.3 315.6 0.66 27 563 4903 -6.7 -30.7 13 24.0 -12.3 310 13 314.0 314.1 287.4 315.9 0.53 28 500 5820 -12.7 -37.7 10 25.0 -17.1 315 19 317.6 317.6 288.3 318.6 0.30 29 499 5835 -12.7 -37.7 10 25.0 -17.1 315 19 317.7 317.8 288.3 318.8 0.30 30 460 6446 -17.7 -34.7 21 17.0 -20.7 317 20 319.0 319.1 288.9 320.6 0.44 31 417 7169 -23.3 -43.3 14 20.0 -25.7 315 23 320.9 320.9 289.2 321.6 0.20 32 400 7470 -25.9 -43.9 17 18.0 -27.9 320 22 321.3 321.4 289.4 322.1 0.19 33 366 8108 -31.1 -47.1 19 16.0 -32.5 328 22 322.7 322.7 289.8 323.2 0.15 34 300 9490 -41.5 -55.5 21 14.0 -42.1 305 23 326.9 326.9 290.9 327.1 0.07 35 286 9812 -44.1 -57.1 22 13.0 -44.6 302 21 327.6 327.7 291.1 327.9 0.06 36 279 9978 -45.3 -58.3 22 13.0 -45.7 301 20 328.3 328.3 291.3 328.5 0.05 37 261 10419 -49.3 -59.3 30 10.0 -49.6 308 20 328.7 328.7 291.4 328.9 0.05 38 250 10700 -50.9 -61.9 26 11.0 -51.2 295 19 330.4 330.4 291.9 330.5 0.04 39 244 10858 -51.9 -62.9 26 11.0 -52.1 304 20 331.2 331.2 292.1 331.3 0.03 40 243 10884 -51.7 -64.7 20 13.0 -52.0 305 20 331.9 331.9 292.3 332.0 0.03 41 224 11407 -55.7 -65.7 28 10.0 -55.9 290 27 333.6 333.6 292.7 333.7 0.02 42 218 11580 -55.3 -68.3 18 13.0 -55.5 292 28 336.8 336.8 293.6 336.9 0.02 43 215 11669 -54.9 -67.9 19 13.0 -55.1 293 28 338.7 338.8 294.0 338.8 0.02 44 200 12130 -55.5 -71.5 12 16.0 -55.7 280 31 344.9 344.9 295.5 344.9 0.01 45 174 13018 -55.5 -80.5 3 25.0 -55.8 287 37 358.9 358.9 298.5 358.9 0.00 46 150 13960 -57.7 -82.7 3 25.0 -58.0 275 35 370.7 370.7 300.7 370.7 0.00 47 123 15195 -62.3 -85.3 3 23.0 -62.5 280 38 383.9 383.9 302.9 383.9 0.00 48 120 15347 -61.7 -84.7 3 23.0 -61.9 282 36 387.8 387.8 303.5 387.8 0.00 49 105 16164 -65.7 -86.7 4 21.0 -65.8 290 37 395.2 395.2 304.5 395.2 0.00 50 100 16460 -64.9 -85.9 4 21.0 -65.1 280 21 402.3 402.3 305.5 402.3 0.00 51 93 16904 -64.5 -86.5 3 22.0 -64.7 279 22 411.6 411.6 306.7 411.6 0.00 52 81 17745 -66.3 -88.3 3 22.0 -66.5 299 24 424.5 424.5 308.2 424.5 0.00 53 80 17821 -64.1 -88.1 2 24.0 -64.3 299 24 430.5 430.5 308.9 430.5 0.00 54 77 18055 -63.7 -88.7 2 25.0 -64.0 297 24 436.1 436.1 309.5 436.1 0.00 55 74 18298 -64.9 -88.9 2 24.0 -65.1 294 24 438.5 438.5 309.7 438.5 0.00 56 70 18640 -62.1 -89.1 2 27.0 -62.4 300 20 451.5 451.5 311.0 451.5 0.00 57 69 18729 -61.9 -88.9 2 27.0 -62.2 300 24 453.8 453.8 311.2 453.8 0.00 58 61 19486 -63.1 -90.1 1 27.0 -63.4 269 16 467.4 467.4 312.4 467.4 0.00 59 54 20239 -60.1 -89.1 1 29.0 -60.6 310 20 490.9 490.9 314.3 490.9 0.00 60 51 20596 -58.3 -88.3 1 30.0 -59.0 312 14 503.2 503.2 315.2 503.3 0.00 61 50 20720 -58.5 -88.5 1 30.0 -59.2 300 16 505.6 505.6 315.4 505.6 0.00 62 42 21809 -60.7 -89.7 1 29.0 -61.3 341 12 526.0 526.0 316.7 526.0 0.00 63 39 22272 -59.1 -89.1 1 30.0 -59.9 287 10 541.3 541.3 317.6 541.4 0.00 64 37 22604 -55.5 -87.5 1 32.0 -56.8 239 10 558.8 558.8 318.6 558.8 0.00 65 36 22778 -56.5 -87.5 1 31.0 -57.6 215 10 560.6 560.6 318.7 560.6 0.01 66 35 22957 -55.5 -87.5 1 32.0 -56.8 216 12 567.7 567.7 319.0 567.8 0.01 67 33 23331 -56.3 -87.3 1 31.0 -57.6 235 16 575.3 575.3 319.4 575.3 0.01 68 30 23940 -53.7 -86.7 1 33.0 -55.5 275 17 598.2 598.2 320.5 598.3 0.01 69 29 24159 -53.5 -86.5 1 33.0 -55.4 264 21 604.6 604.6 320.8 604.7 0.01 70 27 24618 -54.7 -86.7 1 32.0 -56.5 248 16 613.7 613.7 321.2 613.8 0.01 71 22 25940 -51.5 -85.5 1 34.0 -54.4 228 15 660.3 660.3 323.1 660.4 0.01 72 21 26242 -52.5 -85.5 1 33.0 -55.2 255 21 666.1 666.1 323.3 666.2 0.01 73 20 26560 -49.9 -84.9 1 35.0 -53.4 295 23 683.4 683.4 323.9 683.5 0.01 74 18 27249 -50.1 -85.1 1 35.0 -53.8 275 19 703.7 703.7 324.6 703.8 0.02 75 17 27622 -49.7 -84.7 1 35.0 -53.7 297 22 716.6 716.6 325.0 716.7 0.02 76 15 28448 -46.3 -83.3 1 37.0 -51.9 289 21 754.0 754.0 326.0 754.2 0.03 77 14 28905 -47.3 -84.3 1 37.0 -52.8 287 28 765.6 765.7 326.4 765.8 0.02 78 14 28905 -46.3 -84.3 1 38.0 -52.2 287 28 769.0 769.0 326.4 769.2 0.02 79 14 28905 -46.3 -84.3 1 38.0 -52.2 287 28 769.0 769.0 326.4 769.2 0.02 80 14 28905 -46.1 -84.1 1 38.0 -52.1 287 28 769.7 769.7 326.5 769.9 0.02 81 12 29926 -48.1 -84.1 1 36.0 -53.8 304 26 797.3 797.3 327.2 797.6 0.03 82 11 30503 -45.3 -83.3 1 38.0 -52.5 305 19 827.6 827.6 327.9 827.9 0.03 83 10 31136 -47.5 -84.5 1 37.0 -54.1 297 15 842.2 842.3 328.2 842.5 0.03 TRP 224 11407 -55.7 -65.7 28 10.0 -55.9 290 27 333.6 333.6 292.7 333.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5572.00 m Freezing level: 644.55 mb = 3835.18 m = 12582.45 ft Wetbulb zero: 863.23 mb = 1464.99 m = 4806.33 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 19.80 % Est. max temperature: 16.49 C = 61.69 F Sfc-Lift cond lev (LCL): 837.59 mb = 1711.22 m = 5614.16 ft T: 6.31 C 700-500 lapse rate: 5.70 C/km ThetaE index: 3.72 C Layer 864.0- 858.0 mb Conv cond level (CCL): 582.03 mb = 4643.18 m = 15233.35 ft Mean mixing ratio: 4.24 g/kg Conv temperature: 40.53 C = 104.96 F Cap Strength: 15.19 C Lifted Index: 16.40 C Risk: None Lifted Index @300 mb: 19.30 C Lifted Index @700 mb: 11.93 C Showalter Index: 19.39 C Risk: None Total Totals Index: 14.80 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: -3.10 C K Index: -41.90 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 4.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.46 J/kg Max Up Vert Vel: 1.71 m/s Conv Inhibition (B-): 68609.88 J/kg Cap Strength: 16.38 C Lift Cond Lev (LCL): 820.33 mb = 1881.48 m = 6172.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 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 1019 98 360 6 -0.0 -6.0 | 231 2 1.7 1.4 1 1000 248 20 12 -4.1 -11.3 | 32 5 -2.4 -3.9 2 993 305 20 12 -4.1 -11.3 | 32 5 -2.4 -3.9 3 958 610 30 10 -5.0 -8.7 | 69 4 -3.3 -1.3 4 925 899 70 10 -9.4 -3.4 | 117 9 -7.7 3.9 5 923 914 70 10 -9.4 -3.4 | 117 9 -7.7 3.9 6 890 1219 80 12 -11.8 -2.1 | 117 11 -10.1 5.3 7 857 1524 90 10 -10.0 0.0 | 131 11 -8.3 7.4 8 850 1591 40 4 -2.6 -3.1 | 168 4 -0.9 4.3 9 826 1829 90 3 -3.0 0.0 | 170 7 -1.3 7.4 10 795 2134 305 2 1.6 -1.1 | 208 7 3.3 6.2 11 766 2438 30 3 -1.5 -2.6 | 182 5 0.2 4.8 12 738 2743 350 4 0.7 -3.9 | 215 4 2.4 3.4 13 700 3171 345 7 1.8 -6.8 | 260 4 3.5 0.6 14 658 3658 355 9 0.8 -9.0 | 303 3 2.5 -1.6 15 609 4267 315 13 9.2 -9.2 | 280 11 10.9 -1.8 16 586 4572 300 12 10.4 -6.0 | 264 12 12.1 1.4 17 564 4877 310 13 10.0 -8.4 | 275 12 11.6 -1.0 18 542 5182 310 14 10.7 -9.0 | 278 13 12.4 -1.6 19 522 5486 330 17 8.5 -14.7 | 306 13 10.2 -7.4 20 502 5791 310 19 14.6 -12.2 | 287 17 16.2 -4.9 21 500 5820 315 19 13.4 -13.4 | 292 16 15.1 -6.1 22 482 6096 320 20 12.9 -15.3 | 299 17 14.5 -8.0 23 444 6706 315 20 14.1 -14.1 | 293 17 15.8 -6.8 24 408 7315 315 24 17.0 -17.0 | 297 21 18.6 -9.6 25 400 7470 320 22 14.1 -16.9 | 301 18 15.8 -9.5 26 392 7620 320 22 14.1 -16.9 | 301 18 15.8 -9.5 27 359 8230 330 22 11.0 -19.1 | 313 17 12.7 -11.7 28 315 9144 315 19 13.4 -13.4 | 292 16 15.1 -6.1 29 300 9490 305 23 18.8 -13.2 | 286 21 20.5 -5.8 30 275 10058 300 19 16.5 -9.5 | 277 18 18.1 -2.1 31 263 10363 310 20 15.3 -12.9 | 288 18 17.0 -5.5 32 250 10700 295 19 17.2 -8.0 | 272 19 18.9 -0.7 33 240 10973 310 20 15.3 -12.9 | 288 18 17.0 -5.5 34 229 11278 285 22 21.3 -5.7 | 266 23 22.9 1.7 35 224 11407 290 27 25.4 -9.2 | 274 27 27.1 -1.9 36 208 11887 295 29 26.3 -12.3 | 280 28 28.0 -4.9 37 200 12130 280 31 30.5 -5.4 | 266 32 32.2 2.0 38 198 12192 280 31 30.5 -5.4 | 266 32 32.2 2.0 39 180 12802 285 39 37.7 -10.1 | 274 39 39.3 -2.7 40 164 13411 290 34 31.9 -11.6 | 277 34 33.6 -4.3 41 156 13716 290 35 32.9 -12.0 | 278 35 34.6 -4.6 42 150 13960 275 35 34.9 -3.1 | 263 37 36.5 4.3 43 149 14021 275 35 34.9 -3.1 | 263 37 36.5 4.3 44 122 15240 280 38 37.4 -6.6 | 269 39 39.1 0.8 45 116 15545 285 33 31.9 -8.5 | 272 34 33.6 -1.2 46 110 15850 265 36 35.9 3.1 | 254 39 37.5 10.5 47 105 16154 290 37 34.8 -12.7 | 278 37 36.4 -5.3 48 100 16459 300 31 26.8 -15.5 | 286 30 28.5 -8.1 49 100 16460 280 21 20.7 -3.6 | 261 23 22.4 3.7 50 95 16764 270 21 21.0 -0.0 | 252 24 22.7 7.4 51 91 17069 290 24 22.6 -8.2 | 272 24 24.2 -0.9 52 86 17374 275 22 21.9 -1.9 | 257 24 23.6 5.4 53 82 17678 300 24 20.8 -12.0 | 282 23 22.5 -4.6 54 74 18288 295 24 21.8 -10.1 | 277 24 23.4 -2.8 55 71 18593 280 28 27.6 -4.9 | 265 29 29.3 2.5 56 70 18640 300 20 17.3 -10.0 | 278 19 19.0 -2.6 57 67 18898 300 32 27.7 -16.0 | 286 31 29.4 -8.6 58 64 19202 330 15 7.5 -13.0 | 302 11 9.2 -5.6 59 61 19507 265 16 15.9 1.4 | 244 20 17.6 8.8 60 58 19812 260 23 22.7 4.0 | 245 27 24.3 11.3 61 55 20117 295 28 25.4 -11.8 | 279 27 27.1 -4.5 62 52 20422 330 10 5.0 -8.7 | 281 7 6.7 -1.3 63 50 20720 300 16 13.9 -8.0 | 272 16 15.5 -0.6 64 50 20726 270 12 12.0 -0.0 | 242 16 13.7 7.4 65 45 21336 345 18 4.7 -17.4 | 328 12 6.3 -10.0 66 43 21641 350 14 2.4 -13.8 | 327 8 4.1 -6.4 67 41 21946 335 10 4.2 -9.1 | 286 6 5.9 -1.7 68 36 22860 205 10 4.2 9.1 | 200 17 5.9 16.4 69 34 23165 235 17 13.9 9.8 | 222 23 15.6 17.1 70 32 23470 235 15 12.3 8.6 | 221 21 14.0 16.0 71 31 23774 260 17 16.7 3.0 | 241 21 18.4 10.3 72 30 23940 275 17 16.9 -1.5 | 252 20 18.6 5.9 73 29 24079 260 22 21.7 3.8 | 244 26 23.3 11.2 74 28 24384 275 17 16.9 -1.5 | 252 20 18.6 5.9 75 27 24689 240 16 13.9 8.0 | 225 22 15.5 15.4 76 25 24994 295 17 15.4 -7.2 | 269 17 17.1 0.2 77 24 25298 290 15 14.1 -5.1 | 262 16 15.8 2.2 78 22 25908 225 14 9.9 9.9 | 214 21 11.6 17.3 79 20 26518 280 26 25.6 -4.5 | 264 27 27.3 2.8 80 20 26560 295 23 20.8 -9.7 | 276 23 22.5 -2.4 81 18 26822 265 18 17.9 1.6 | 246 22 19.6 8.9 82 17 27127 300 22 19.1 -11.0 | 280 21 20.7 -3.6 83 15 27432 290 18 16.9 -6.2 | 266 19 18.6 1.2 84 13 28042 285 37 35.7 -9.6 | 273 37 37.4 -2.2 85 12 28346 310 22 16.9 -14.1 | 290 20 18.5 -6.8 86 10 28956 295 14 12.7 -5.9 | 264 14 14.4 1.4 87 9 29261 235 4 3.3 2.3 | 207 11 5.0 9.7 88 7 29870 225 10 7.1 7.1 | 211 17 8.7 14.4 Wind Parameters Mean winds (0-6000m): 342.9 at 10.1 knts Storm direction: 12.9 at 7.5 knts Shear (0-3000m) pos: 2.2 neg: 2.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 20.9 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -3.0 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 5.98 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 21 11 40 3| 5.9 0.0 5.9| 4.3 0.0 4.3 8.6 0.86| 11.2 9.6 1000 39 10 82 5| 5.8 0.0 5.8| 11.9 -0.1 11.8 11.8 0.72| 10.1 7.3 1500 54 10 101 7| 3.9 2.8 6.7| 27.7 -0.1 27.7 18.5 0.70| 10.8 7.5 2000 54 9 114 6| 2.9 3.1 6.1| 34.1 -0.3 33.8 16.9 0.66| 10.2 6.7 2500 52 7 124 5| 2.6 2.5 5.2| 35.1 -3.0 32.1 12.8 0.57| 8.9 5.1 3000 44 7 127 4| 2.2 2.5 4.7| 38.7 -3.0 35.7 11.9 0.60| 8.1 4.9 4000 24 7 112 1| 1.7 2.6 4.3| 41.1 -5.8 35.3 8.8 0.53| 7.2 3.8 5000 358 9 301 2| 1.4 2.4 3.9| 49.2 -18.2 30.9 6.2 0.43| 6.6 2.9 6000 343 10 296 5| 1.3 2.2 3.6| 83.2 -35.3 47.9 8.0 0.41| 6.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251010.00.gif