UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 15 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 1009 98 17.6 11.6 68 6.0 14.0 345 8 290.0 291.5 286.8 314.1 8.53 1 1000 161 17.0 11.0 68 6.0 13.4 345 17 290.1 291.6 286.6 313.5 8.26 2 925 820 11.8 9.4 85 2.4 10.4 340 32 291.4 292.8 286.8 314.2 8.02 3 892 1124 9.8 8.9 94 0.9 9.3 359 22 292.4 293.8 287.2 315.3 8.04 4 886 1180 10.8 9.1 89 1.7 9.8 3 20 294.0 295.4 287.9 317.6 8.21 5 883 1208 12.2 9.4 83 2.8 10.6 4 19 295.7 297.2 288.8 320.0 8.41 6 881 1227 12.0 9.2 83 2.8 10.3 5 19 295.7 297.2 288.6 319.7 8.31 7 877 1266 13.6 9.7 77 3.9 11.3 5 19 297.7 299.3 289.6 322.9 8.64 8 855 1480 12.4 9.5 82 2.9 10.7 5 19 298.6 300.2 290.0 324.2 8.75 9 850 1529 12.6 9.5 81 3.1 10.7 5 19 299.3 300.9 290.3 325.2 8.80 10 847 1559 13.2 8.8 75 4.4 10.6 5 19 300.3 301.8 290.3 325.1 8.42 11 831 1719 12.0 8.8 81 3.2 10.1 8 17 300.7 302.2 290.6 326.0 8.58 12 812 1913 11.6 7.7 77 3.9 9.3 9 16 302.2 303.7 290.7 326.5 8.15 13 792 2122 11.2 6.2 71 5.0 8.3 5 17 304.0 305.4 290.7 326.6 7.53 14 789 2153 11.2 6.2 71 5.0 8.3 5 17 304.3 305.7 290.9 327.0 7.56 15 786 2185 11.2 3.2 58 8.0 6.8 6 17 304.6 305.8 289.8 323.2 6.14 16 783 2217 11.0 2.0 54 9.0 6.2 6 16 304.7 305.8 289.3 321.9 5.65 17 782 2228 11.0 2.0 54 9.0 6.2 6 16 304.9 305.9 289.4 322.1 5.66 18 778 2271 11.0 1.0 50 10.0 5.7 7 16 305.3 306.3 289.2 321.4 5.29 19 742 2664 8.2 2.2 66 6.0 4.9 10 18 306.4 307.5 290.2 324.9 6.05 20 732 2777 7.8 0.8 61 7.0 4.1 10 19 307.2 308.2 290.0 324.2 5.54 21 719 2925 7.6 -5.4 39 13.0 1.5 10 21 308.5 309.2 288.6 319.7 3.55 22 715 2971 7.0 -3.0 49 10.0 2.1 10 21 308.4 309.2 289.3 321.7 4.29 23 709 3040 7.0 -5.0 42 12.0 1.3 10 22 309.1 309.8 289.0 320.8 3.72 24 700 3145 6.2 -2.8 52 9.0 1.7 10 23 309.4 310.2 289.8 323.2 4.45 25 695 3204 5.8 -3.2 52 9.0 1.4 10 23 309.5 310.4 289.7 323.1 4.35 26 692 3239 6.0 -8.0 36 14.0 -0.2 10 23 310.1 310.7 288.6 319.8 3.02 27 689 3275 6.0 -9.0 33 15.0 -0.5 10 23 310.5 311.1 288.6 319.5 2.81 28 684 3334 5.4 -8.6 36 14.0 -0.7 10 23 310.5 311.1 288.7 319.8 2.92 29 682 3358 5.2 -3.8 52 9.0 0.8 10 23 310.5 311.3 289.9 323.8 4.23 30 671 3490 4.8 -12.2 28 17.0 -2.1 10 23 311.5 312.0 288.3 318.8 2.23 31 669 3515 4.8 -8.2 38 13.0 -1.0 10 23 311.8 312.4 289.2 321.7 3.08 32 666 3551 5.2 -12.8 26 18.0 -2.0 10 23 312.7 313.1 288.6 319.7 2.14 33 656 3675 5.2 -20.8 13 26.0 -3.6 10 23 314.0 314.2 288.0 317.8 1.11 34 655 3687 5.4 -20.6 13 26.0 -3.5 10 23 314.4 314.6 288.2 318.2 1.13 35 649 3762 4.8 -16.2 20 21.0 -3.1 10 25 314.5 314.9 288.8 320.1 1.66 36 640 3876 4.0 -19.0 17 23.0 -4.1 10 26 314.9 315.1 288.5 319.4 1.33 37 636 3927 3.8 -24.2 11 28.0 -4.9 10 27 315.2 315.4 288.1 318.1 0.85 38 630 4004 5.0 -39.0 2 44.0 -5.4 10 28 317.4 317.5 288.2 318.2 0.21 39 629 4017 5.0 -39.0 2 44.0 -5.4 10 29 317.6 317.6 288.2 318.4 0.21 40 602 4373 3.4 -40.6 2 44.0 -6.5 9 33 319.7 319.8 288.9 320.4 0.18 41 571 4800 1.0 -24.0 13 25.0 -6.9 2 30 321.8 322.0 290.3 325.2 0.96 42 566 4870 0.6 -22.4 16 23.0 -7.0 0 30 322.1 322.4 290.6 326.0 1.12 43 506 5757 -6.7 -26.7 19 20.0 -12.2 341 25 323.8 323.9 290.8 326.8 0.85 44 500 5850 -7.5 -27.5 18 20.0 -12.8 335 27 323.9 324.1 290.8 326.7 0.80 45 497 5897 -8.1 -27.1 20 19.0 -13.2 335 28 323.7 323.9 290.7 326.7 0.83 46 478 6197 -10.3 -36.3 10 26.0 -15.6 335 31 324.6 324.7 290.6 326.0 0.36 47 465 6408 -12.3 -24.3 36 12.0 -15.6 334 34 324.7 324.9 291.3 328.8 1.15 48 462 6458 -12.5 -27.5 27 15.0 -16.3 334 34 325.1 325.2 291.2 328.2 0.87 49 450 6658 -14.1 -25.1 39 11.0 -17.0 333 37 325.5 325.7 291.6 329.4 1.11 50 444 6759 -14.7 -30.7 24 16.0 -18.3 333 38 326.0 326.1 291.3 328.4 0.67 51 434 6931 -16.1 -29.1 32 13.0 -19.1 332 40 326.4 326.5 291.5 329.2 0.79 52 427 7053 -16.9 -32.9 24 16.0 -20.1 332 42 326.9 327.0 291.4 328.9 0.56 53 418 7212 -17.5 -38.5 14 21.0 -21.1 331 44 328.1 328.2 291.5 329.3 0.33 54 400 7540 -19.1 -42.1 11 23.0 -22.6 330 48 330.2 330.2 292.0 331.1 0.24 55 397 7596 -19.1 -42.1 11 23.0 -22.6 333 48 330.9 330.9 292.2 331.8 0.24 56 300 9610 -36.7 -49.7 25 13.0 -37.7 335 56 333.6 333.7 292.9 334.2 0.14 57 253 10770 -42.3 -62.8 9 20.5 -43.1 340 98 342.0 342.0 294.8 342.1 0.03 58 250 10850 -42.7 -63.7 8 21.0 -43.5 335 97 342.6 342.6 295.0 342.7 0.03 59 200 12330 -52.3 -71.3 8 19.0 -52.7 325 92 349.9 350.0 296.6 350.0 0.01 60 150 14150 -61.3 -82.3 5 21.0 -61.4 320 77 364.5 364.5 299.5 364.5 0.00 61 106 16257 -73.7 -86.7 12 13.0 -73.7 305 43 379.0 379.0 302.1 379.0 0.00 62 100 16600 -72.7 -86.7 10 14.0 -72.8 310 37 387.3 387.3 303.4 387.3 0.00 63 86 17487 -69.9 -85.9 8 16.0 -70.0 314 29 410.0 410.0 306.5 410.0 0.00 64 78 18066 -70.1 -88.1 5 18.0 -70.2 296 27 421.2 421.2 307.9 421.2 0.00 65 71 18617 -73.9 -87.9 10 14.0 -74.0 293 23 424.6 424.6 308.2 424.6 0.00 66 70 18700 -73.7 -88.7 8 15.0 -73.7 295 22 426.7 426.7 308.5 426.7 0.00 67 69 18784 -73.5 -89.5 7 16.0 -73.6 295 21 428.9 428.9 308.7 428.9 0.00 68 66 19047 -70.3 -89.3 5 19.0 -70.4 295 19 441.4 441.4 310.0 441.4 0.00 69 62 19419 -70.1 -89.1 5 19.0 -70.2 306 19 449.8 449.8 310.8 449.8 0.00 70 60 19614 -70.7 -89.7 4 19.0 -70.8 319 21 452.7 452.7 311.1 452.7 0.00 71 57 19921 -67.7 -89.7 3 22.0 -67.9 338 21 466.2 466.2 312.3 466.2 0.00 72 55 20136 -68.5 -90.5 3 22.0 -68.7 342 19 469.1 469.1 312.5 469.1 0.00 73 50 20710 -67.5 -90.5 2 23.0 -67.7 355 13 484.4 484.4 313.8 484.4 0.00 74 46 21212 -67.1 -90.1 2 23.0 -67.4 339 8 497.1 497.1 314.7 497.1 0.00 75 42 21766 -62.5 -89.5 1 27.0 -63.0 250 9 521.6 521.6 316.4 521.6 0.00 76 41 21915 -62.1 -89.1 2 27.0 -62.6 222 10 526.2 526.2 316.7 526.2 0.00 77 40 22067 -62.1 -89.1 2 27.0 -62.7 284 15 529.9 529.9 316.9 529.9 0.00 78 34 23078 -59.1 -88.1 1 29.0 -60.0 355 3 563.0 563.0 318.8 563.0 0.00 79 30 23860 -59.9 -88.9 1 29.0 -60.8 340 14 581.3 581.3 319.8 581.4 0.00 80 29 24073 -59.7 -88.7 1 29.0 -60.7 320 19 587.6 587.6 320.0 587.6 0.01 81 28 24295 -56.1 -87.1 1 31.0 -57.6 342 11 603.5 603.5 320.7 603.5 0.01 82 27 24527 -54.3 -85.3 1 31.0 -56.2 19 9 614.9 614.9 321.3 614.9 0.01 83 23 25554 -56.3 -86.3 1 30.0 -58.0 221 10 637.8 637.8 322.2 637.9 0.01 84 20 26450 -53.1 -85.1 1 32.0 -55.8 285 9 673.6 673.6 323.6 673.7 0.01 85 18 27133 -50.5 -83.5 1 33.0 -54.1 310 13 702.4 702.5 324.5 702.6 0.02 86 17 27506 -50.3 -83.3 1 33.0 -54.1 315 14 714.7 714.7 324.9 714.8 0.02 87 17 27506 -50.3 -84.3 1 34.0 -54.1 315 14 714.7 714.7 324.9 714.8 0.02 88 17 27506 -47.5 -82.5 1 35.0 -52.2 315 14 723.6 723.7 325.2 723.9 0.03 89 15 28327 -50.7 -83.7 1 33.0 -54.7 326 17 739.4 739.4 325.6 739.6 0.02 90 14 28779 -48.3 -83.3 1 35.0 -53.4 338 15 762.3 762.3 326.3 762.5 0.03 91 13 29266 -49.7 -83.7 1 34.0 -54.5 354 16 773.7 773.7 326.6 774.0 0.03 92 12 29792 -48.1 -83.1 1 35.0 -53.8 357 20 797.3 797.3 327.2 797.6 0.03 93 12 29792 -46.7 -82.7 1 36.0 -52.9 357 20 802.3 802.3 327.3 802.6 0.04 94 11 30368 -47.7 -82.7 1 35.0 -53.8 4 22 818.9 818.9 327.7 819.2 0.04 95 10 31000 -45.7 -81.7 1 36.0 -53.1 10 18 849.0 849.0 328.4 849.4 0.05 96 10 31000 -45.7 -81.7 1 36.0 -53.1 10 18 849.0 849.0 328.4 849.4 0.05 TRP 106 16257 -73.7 -86.7 12 13.0 -73.7 305 43 379.0 379.0 302.1 379.0 0.00 WND 253 10770 -42.3 -62.8 9 20.5 -43.1 340 98 342.0 342.0 294.8 342.1 0.03 Sounding variables and indices 1000-500 mb thick: 5689.00 m Freezing level: 561.07 mb = 4943.17 m = 16217.56 ft Wetbulb zero: 692.41 mb = 3234.19 m = 10610.73 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 45.17 % Est. max temperature: 26.08 C = 78.95 F Sfc-Lift cond lev (LCL): 922.72 mb = 840.64 m = 2757.97 ft T: 11.66 C 700-500 lapse rate: 5.06 C/km ThetaE index: 5.09 C Layer 786.0- 782.0 mb Conv cond level (CCL): 679.25 mb = 3390.85 m = 11124.71 ft Mean mixing ratio: 8.15 g/kg Conv temperature: 38.45 C = 101.20 F Cap Strength: 13.59 C Lifted Index: 12.34 C Risk: None Lifted Index @300 mb: 14.26 C Lifted Index @700 mb: 8.41 C Showalter Index: 6.13 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 17.00 C K Index: 20.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.00 Risk: None Energy Index: 0.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.62 J/kg Max Up Vert Vel: 2.69 m/s Conv Inhibition (B-): 56622.94 J/kg Cap Strength: 13.53 C Lift Cond Lev (LCL): 902.19 mb = 1028.68 m = 3374.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 29 at 18 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 1009 98 345 8 2.1 -7.7 | 233 14 10.8 8.2 1 1000 161 345 17 4.4 -16.4 | 272 13 13.1 -0.5 2 983 305 345 22 5.7 -21.3 | 290 15 14.4 -5.3 3 948 610 340 31 10.6 -29.1 | 304 23 19.3 -13.2 4 925 820 340 32 10.9 -30.1 | 306 24 19.6 -14.1 5 915 914 345 30 7.8 -29.0 | 308 21 16.5 -13.0 6 882 1219 5 19 -1.7 -18.9 | 293 8 7.0 -3.0 7 851 1524 5 19 -1.7 -18.9 | 293 8 7.0 -3.0 8 850 1529 5 19 -1.7 -18.9 | 293 8 7.0 -3.0 9 820 1829 10 16 -2.8 -15.8 | 268 6 5.9 0.2 10 790 2134 5 17 -1.5 -16.9 | 278 7 7.2 -1.0 11 762 2438 10 15 -2.6 -14.8 | 259 6 6.1 1.2 12 735 2743 10 19 -3.3 -18.7 | 297 6 5.4 -2.7 13 700 3145 10 23 -4.0 -22.7 | 325 8 4.7 -6.7 14 657 3658 10 23 -4.0 -22.7 | 325 8 4.7 -6.7 15 609 4267 10 33 -5.7 -32.5 | 350 17 3.0 -16.5 16 564 4877 360 30 -0.0 -30.0 | 328 17 8.7 -14.0 17 504 5791 340 25 8.6 -23.5 | 294 19 17.2 -7.5 18 500 5850 335 27 11.4 -24.5 | 293 22 20.1 -8.5 19 484 6096 335 30 12.7 -27.2 | 298 24 21.4 -11.2 20 400 7540 330 48 24.0 -41.6 | 308 42 32.7 -25.6 21 396 7620 335 48 20.3 -43.5 | 314 40 29.0 -27.5 22 348 8534 340 40 13.7 -37.6 | 314 31 22.4 -21.6 23 320 9144 335 57 24.1 -51.7 | 317 48 32.8 -35.7 24 300 9610 335 56 23.7 -50.8 | 317 48 32.4 -34.8 25 294 9754 335 57 24.1 -51.7 | 317 48 32.8 -35.7 26 253 10770 340 98 33.5 -92.1 | 331 87 42.2 -76.1 27 250 10850 335 97 41.0 -87.9 | 325 87 49.7 -71.9 28 245 10973 340 98 33.5 -92.1 | 331 87 42.2 -76.1 29 200 12330 325 92 52.8 -75.4 | 314 85 61.5 -59.4 30 150 14150 320 77 49.5 -59.0 | 306 72 58.2 -43.0 31 139 14630 325 78 44.7 -63.9 | 312 72 53.4 -47.9 32 125 15240 335 45 19.0 -40.8 | 312 37 27.7 -24.8 33 113 15850 310 33 25.3 -21.2 | 279 34 34.0 -5.2 34 108 16154 295 36 32.6 -15.2 | 269 41 41.3 0.7 35 106 16257 305 43 35.2 -24.7 | 281 45 43.9 -8.7 36 100 16600 310 37 28.3 -23.8 | 282 38 37.0 -7.8 37 97 16764 310 37 28.3 -23.8 | 282 38 37.0 -7.8 38 83 17678 315 27 19.1 -19.1 | 276 28 27.8 -3.1 39 75 18288 285 27 26.1 -7.0 | 256 36 34.8 9.0 40 70 18700 295 22 19.9 -9.3 | 257 29 28.6 6.7 41 64 19202 295 17 15.4 -7.2 | 250 26 24.1 8.8 42 61 19507 310 20 15.3 -12.9 | 263 24 24.0 3.1 43 58 19812 335 22 9.3 -19.9 | 282 18 18.0 -4.0 44 50 20710 355 13 1.1 -13.0 | 253 10 9.8 3.0 45 50 20726 335 12 5.1 -10.9 | 250 15 13.8 5.1 46 47 21031 345 12 3.1 -11.6 | 250 13 11.8 4.4 47 45 21336 335 6 2.5 -5.4 | 227 15 11.2 10.5 48 41 21946 220 10 6.4 7.7 | 213 28 15.1 23.6 49 39 22250 360 20 -0.0 -20.0 | 295 10 8.7 -4.0 50 37 22555 30 13 -6.5 -11.3 | 205 5 2.2 4.7 51 34 23165 350 2 0.3 -2.0 | 213 17 9.0 14.0 52 30 23774 275 10 10.0 -0.9 | 231 24 18.7 15.1 53 30 23860 340 14 4.8 -13.2 | 258 14 13.5 2.8 54 29 24079 320 19 12.2 -14.6 | 266 21 20.9 1.4 55 28 24384 350 8 1.4 -7.9 | 231 13 10.1 8.1 56 26 24689 50 10 -7.7 -6.4 | 186 10 1.0 9.5 57 23 25603 230 10 7.7 6.4 | 216 28 16.4 22.4 58 22 25908 285 19 18.4 -4.9 | 248 29 27.1 11.0 59 21 26213 305 28 22.9 -16.1 | 270 32 31.6 -0.1 60 20 26450 285 9 8.7 -2.3 | 232 22 17.4 13.6 61 20 26518 315 20 14.1 -14.1 | 265 23 22.8 1.8 62 18 26822 310 13 10.0 -8.4 | 248 20 18.7 7.6 63 15 27432 325 17 9.8 -13.9 | 264 19 18.4 2.0 64 14 27737 340 15 5.1 -14.1 | 262 14 13.8 1.9 65 13 28042 360 17 -0.0 -17.0 | 277 9 8.7 -1.0 66 12 28346 355 22 1.9 -21.9 | 299 12 10.6 -6.0 67 11 28651 10 22 -3.8 -21.7 | 319 8 4.9 -5.7 68 10 28956 10 16 -2.8 -15.8 | 268 6 5.9 0.2 69 9 29261 10 13 -2.3 -12.8 | 244 7 6.4 3.2 70 8 29566 85 1 -1.0 -0.1 | 206 18 7.7 15.9 71 7 30175 225 10 7.1 7.1 | 214 28 15.8 23.0 Wind Parameters Mean winds (0-6000m): 358.6 at 24.2 knts Storm direction: 28.6 at 18.2 knts Shear (0-3000m) pos: 3.0 neg: 4.5 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 92.0 neg: -15.7 tot: 76.4 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 5.66 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 ------------------------------------------------------------------------------- 500 343 22 290 16| 0.0 23.3 23.3| 68.3 0.0 68.3 136.6 0.79| 23.9 18.8 1000 344 26 299 18| 5.5 11.7 17.2| 79.7 -2.2 77.5 77.5 0.54| 18.7 10.1 1500 349 24 299 15| 5.6 7.8 13.4| 79.7 -9.2 70.5 47.0 0.39| 14.6 5.7 2000 352 22 297 13| 4.2 5.5 9.7| 81.0 -12.6 68.4 34.2 0.33| 11.9 4.0 2500 355 21 294 12| 3.6 4.4 8.0| 83.7 -15.7 68.0 27.2 0.31| 10.3 3.2 3000 357 21 296 11| 3.0 4.5 7.5| 92.0 -15.7 76.4 25.5 0.37| 9.5 3.5 4000 1 22 305 10| 2.2 4.3 6.5|103.8 -15.7 88.2 22.0 0.39| 8.1 3.2 5000 2 24 314 11| 1.8 3.6 5.3|106.7 -53.7 53.0 10.6 0.22| 7.7 1.7 6000 359 24 312 12| 1.5 3.3 4.8|116.9 -90.6 26.3 4.4 0.12| 7.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251015.00.gif