UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 22 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 ------------------------------------------------------------------------------- 0 1000 63 160 7 SFC 997 98 20.0 6.0 40 14.0 12.2 160 7 293.4 294.5 285.5 310.4 5.88 2 990 158 20.8 4.8 35 16.0 12.0 164 9 294.8 295.8 285.6 310.7 5.45 3 925 732 16.4 3.4 42 13.0 9.5 200 25 296.1 297.0 285.9 311.6 5.28 4 914 834 15.6 3.6 45 12.0 9.2 203 25 296.3 297.3 286.1 312.2 5.42 5 850 1443 10.2 3.2 62 7.0 6.5 220 22 296.8 297.9 286.6 313.5 5.67 6 772 2236 3.8 2.9 94 0.9 3.3 243 27 298.2 299.3 287.5 316.3 6.12 7 754 2428 2.6 2.6 100 0.0 2.6 249 33 298.9 300.1 287.8 317.1 6.13 8 727 2722 0.6 0.3 98 0.3 0.4 250 39 299.9 300.9 287.4 315.9 5.38 9 726 2733 0.8 0.0 94 0.8 0.4 250 40 300.2 301.2 287.4 316.0 5.27 10 720 2800 0.0 -0.1 99 0.1 -0.0 249 41 300.1 301.0 287.3 315.8 5.28 11 711 2901 0.0 -1.3 91 1.3 -0.6 247 44 301.1 302.0 287.3 315.9 4.89 12 700 3026 -1.3 -1.4 99 0.1 -1.3 245 47 301.0 301.9 287.4 315.9 4.93 13 698 3049 -1.5 -1.5 100 0.0 -1.5 245 47 301.1 302.0 287.3 315.8 4.91 14 685 3198 -2.5 -2.7 99 0.2 -2.6 244 49 301.6 302.4 287.2 315.4 4.58 15 666 3421 -3.3 -4.8 89 1.5 -4.0 242 52 303.1 303.9 287.2 315.4 4.02 16 663 3457 -3.1 -5.8 82 2.7 -4.3 242 53 303.7 304.4 287.2 315.2 3.74 17 656 3541 -3.9 -5.9 86 2.0 -4.8 241 54 303.8 304.4 287.2 315.3 3.75 18 654 3565 -3.7 -6.2 83 2.5 -4.8 241 54 304.2 304.9 287.3 315.6 3.68 19 641 3723 -4.9 -7.5 82 2.6 -6.0 240 57 304.6 305.3 287.1 315.1 3.39 20 612 4085 -8.3 -8.7 97 0.4 -8.5 238 58 304.8 305.4 287.0 314.8 3.24 21 610 4111 -8.5 -9.1 95 0.6 -8.7 238 57 304.8 305.4 286.9 314.6 3.15 22 608 4136 -8.1 -10.4 83 2.3 -8.9 237 56 305.6 306.1 286.9 314.5 2.85 23 605 4174 -8.1 -12.1 73 4.0 -9.5 237 55 306.0 306.5 286.7 313.9 2.50 24 598 4265 -8.5 -13.5 67 5.0 -10.2 235 53 306.6 307.0 286.6 313.7 2.25 25 595 4304 -8.9 -12.4 76 3.5 -10.1 235 52 306.6 307.0 286.9 314.4 2.48 26 587 4409 -9.5 -13.7 71 4.2 -10.9 233 52 307.0 307.5 286.8 314.2 2.26 27 584 4448 -10.1 -13.5 76 3.4 -11.2 232 53 306.8 307.2 286.8 314.1 2.31 28 582 4475 -10.3 -11.8 89 1.5 -10.8 232 53 306.9 307.4 287.2 315.3 2.66 29 579 4514 -10.7 -12.5 87 1.8 -11.3 231 53 306.8 307.3 287.0 314.8 2.53 30 578 4528 -10.7 -13.7 79 3.0 -11.7 231 53 307.0 307.4 286.8 314.3 2.30 31 574 4581 -11.1 -14.5 76 3.4 -12.2 230 53 307.1 307.5 286.8 314.0 2.16 32 571 4621 -11.5 -12.7 91 1.2 -11.9 230 53 307.1 307.6 287.1 315.1 2.52 33 567 4675 -12.1 -13.1 92 1.0 -12.5 229 53 307.0 307.5 287.0 314.8 2.46 34 566 4689 -12.1 -13.7 88 1.6 -12.6 228 53 307.2 307.6 286.9 314.7 2.34 35 564 4716 -11.3 -19.3 52 8.0 -13.6 228 53 308.5 308.7 286.5 313.3 1.47 36 562 4743 -11.5 -19.5 52 8.0 -13.7 227 54 308.5 308.8 286.5 313.3 1.45 37 560 4770 -11.9 -17.9 61 6.0 -13.7 227 54 308.4 308.7 286.6 313.8 1.67 38 558 4798 -12.1 -18.1 61 6.0 -13.9 227 54 308.5 308.8 286.6 313.8 1.65 39 556 4825 -12.3 -13.8 89 1.5 -12.8 226 54 308.5 309.0 287.5 316.1 2.37 40 554 4853 -12.5 -13.3 94 0.8 -12.8 226 54 308.6 309.1 287.6 316.5 2.47 41 552 4880 -12.5 -13.8 90 1.3 -12.9 225 54 308.9 309.4 287.6 316.6 2.38 42 549 4922 -12.1 -15.8 74 3.7 -13.3 225 55 309.9 310.3 287.6 316.5 2.03 43 545 4978 -12.5 -17.0 69 4.5 -13.9 224 56 310.1 310.4 287.5 316.1 1.85 44 528 5219 -14.7 -17.1 82 2.4 -15.4 220 61 310.2 310.6 287.6 316.4 1.89 45 519 5349 -15.5 -21.5 60 6.0 -17.0 222 62 310.8 311.1 287.1 315.2 1.32 46 515 5408 -15.9 -20.9 65 5.0 -17.2 222 62 311.0 311.3 287.3 315.7 1.40 47 508 5511 -16.7 -22.7 60 6.0 -18.2 224 63 311.3 311.5 287.2 315.3 1.21 48 506 5540 -16.7 -28.7 35 12.0 -19.1 224 63 311.6 311.7 286.8 314.0 0.71 49 505 5555 -16.7 -29.7 32 13.0 -19.3 224 63 311.8 311.9 286.8 314.0 0.64 50 500 5630 -17.3 -30.3 31 13.0 -19.8 225 64 311.9 312.1 286.8 314.1 0.62 51 495 5705 -17.9 -31.9 28 14.0 -20.4 226 65 312.1 312.2 286.7 314.0 0.53 52 485 5858 -19.3 -29.3 41 10.0 -21.2 227 67 312.2 312.3 286.9 314.6 0.70 53 476 5997 -20.3 -32.3 33 12.0 -22.4 229 69 312.7 312.8 286.9 314.5 0.53 54 474 6028 -20.5 -36.5 23 16.0 -22.9 229 69 312.8 312.9 286.8 314.0 0.35 55 400 7260 -31.1 -42.1 33 11.0 -32.1 235 77 314.6 314.6 287.2 315.4 0.24 56 327 8664 -38.8 -56.8 13 18.0 -39.6 230 100 322.6 322.6 289.6 322.8 0.05 57 300 9250 -42.1 -63.1 8 21.0 -42.8 225 92 326.0 326.0 290.6 326.1 0.03 58 250 10470 -48.5 -68.5 8 20.0 -48.9 230 90 334.0 334.0 292.8 334.0 0.02 59 200 11920 -52.9 -75.9 5 23.0 -53.2 230 84 349.0 349.0 296.4 349.0 0.01 60 171 12921 -58.1 -80.1 4 22.0 -58.3 225 87 356.4 356.4 298.0 356.4 0.00 61 150 13750 -57.1 -83.1 2 26.0 -57.4 245 78 371.7 371.7 300.9 371.7 0.00 62 100 16300 -62.5 -86.5 3 24.0 -62.7 225 20 407.0 407.0 306.1 407.0 0.00 63 98 16424 -62.9 -86.9 3 24.0 -63.1 225 20 408.6 408.6 306.3 408.6 0.00 64 84 17373 -62.7 -87.7 2 25.0 -63.0 225 23 427.4 427.4 308.6 427.4 0.00 65 77 17914 -59.1 -87.1 1 28.0 -59.5 214 29 445.6 445.6 310.4 445.6 0.00 66 70 18510 -59.9 -87.9 1 28.0 -60.3 230 13 456.2 456.2 311.4 456.2 0.00 67 68 18691 -59.5 -88.5 1 29.0 -60.0 237 21 460.9 460.9 311.8 460.9 0.00 68 64 19067 -61.5 -88.5 2 27.0 -61.9 226 22 464.6 464.6 312.2 464.6 0.00 69 58 19677 -59.9 -88.9 1 29.0 -60.4 243 22 481.4 481.4 313.5 481.5 0.00 70 57 19785 -60.7 -88.7 1 28.0 -61.2 245 17 482.0 482.0 313.6 482.0 0.00 71 56 19895 -59.3 -89.3 1 30.0 -59.9 245 18 487.7 487.7 314.1 487.7 0.00 72 54 20122 -60.5 -88.5 1 28.0 -61.0 245 24 490.0 490.0 314.2 490.0 0.00 73 50 20600 -60.3 -89.3 1 29.0 -60.9 245 23 501.4 501.4 315.1 501.4 0.00 74 47 20986 -59.5 -88.5 1 29.0 -60.2 249 24 512.3 512.3 315.8 512.3 0.00 75 40 21988 -62.1 -90.1 1 28.0 -62.7 124 3 529.9 529.9 316.9 529.9 0.00 76 38 22307 -59.1 -89.1 1 30.0 -59.9 211 11 545.4 545.4 317.8 545.4 0.00 77 34 23005 -58.1 -89.1 1 31.0 -59.1 255 16 565.6 565.6 318.9 565.7 0.00 78 30 23790 -59.7 -88.7 1 29.0 -60.6 305 21 581.9 581.9 319.8 581.9 0.00 79 29 24003 -60.1 -90.1 1 30.0 -61.0 301 21 586.5 586.5 320.0 586.5 0.00 80 25 24933 -59.9 -89.9 1 30.0 -61.0 301 15 612.5 612.5 321.2 612.5 0.00 81 22 25742 -55.7 -87.7 1 32.0 -57.6 231 20 647.8 647.8 322.6 647.8 0.01 82 20 26350 -56.3 -88.3 1 32.0 -58.2 255 35 663.8 663.8 323.2 663.9 0.01 83 19 26678 -54.7 -87.7 1 33.0 -57.1 262 37 678.6 678.6 323.7 678.7 0.01 84 17 27391 -54.3 -87.3 1 33.0 -57.0 279 34 701.8 701.8 324.5 701.9 0.01 85 12 29615 -56.7 -88.7 1 32.0 -59.5 282 26 766.9 766.9 326.4 766.9 0.01 86 11 30168 -56.3 -88.3 1 32.0 -59.4 270 25 787.6 787.6 327.0 787.7 0.01 87 10 30780 -51.7 -86.7 1 35.0 -56.5 260 38 826.6 826.6 327.9 826.7 0.02 88 9.5 31112 -50.5 -86.5 1 36.0 -56.0 261 41 843.3 843.3 328.2 843.5 0.02 89 8.9 31534 -52.1 -87.1 1 35.0 -57.2 263 46 853.0 853.0 328.5 853.2 0.02 90 8.4 31908 -50.7 -85.7 1 35.0 -56.5 265 49 872.7 872.8 328.9 873.0 0.03 91 8.0 32224 -52.3 -86.3 1 34.0 -57.6 266 52 878.6 878.7 329.0 878.9 0.03 92 7.0 33090 -49.3 -86.3 1 37.0 -56.4 270 61 925.2 925.3 329.9 925.6 0.03 93 6.6 33476 -48.9 -85.9 1 37.0 -56.4 942.6 942.7 330.2 943.0 0.04 94 6.3 33785 -44.7 -84.7 0 40.0 -54.6 973.1 973.2 330.8 973.7 0.05 95 6.1 34001 -44.5 -84.5 0 40.0 -54.6 983.0 983.1 330.9 983.6 0.05 96 5.8 34339 -43.1 -83.1 0 40.0 -54.2 1003.4 1003.5 331.2 1004.2 0.07 TRP 171 12921 -58.1 -80.1 4 22.0 -58.3 225 87 356.4 356.4 298.0 356.4 0.00 WND 327 8664 -38.8 -56.8 13 18.0 -39.6 230 100 322.6 322.6 289.6 322.8 0.05 Sounding variables and indices 1000-500 mb thick: 5567.00 m Freezing level: 711.00 mb = 2901.10 m = 9517.93 ft Wetbulb zero: 720.50 mb = 2794.54 m = 9168.34 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 73.65 % Est. max temperature: 23.48 C = 74.26 F Sfc-Lift cond lev (LCL): 809.27 mb = 1847.57 m = 6061.51 ft T: 6.93 C 700-500 lapse rate: 6.14 C/km ThetaE index: 1.13 C Layer 727.0- 726.0 mb Conv cond level (CCL): 721.69 mb = 2781.27 m = 9124.78 ft Mean mixing ratio: 5.40 g/kg Conv temperature: 26.69 C = 80.05 F Cap Strength: 4.14 C Lifted Index: 4.13 C Risk: None Lifted Index @300 mb: 10.61 C Lifted Index @700 mb: 2.14 C Showalter Index: 2.84 C Risk: Showers probable Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 20.50 C K Index: 30.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.29 Risk: None Energy Index: 0.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.08 J/kg Max Up Vert Vel: 3.49 m/s Conv Inhibition (B-): 63094.90 J/kg Cap Strength: 3.89 C Lift Cond Lev (LCL): 769.54 mb = 2261.89 m = 7420.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 32 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 ---------------------------------------------------------- 0 997 98 160 7 -2.4 6.6 | 92 34 -34.1 1.2 1 973 305 175 15 -1.3 14.9 | 106 34 -33.0 9.5 2 938 610 190 23 4.0 22.7 | 122 33 -27.7 17.2 3 925 732 200 25 8.6 23.5 | 128 29 -23.1 18.1 4 905 914 205 25 10.6 22.7 | 129 27 -21.1 17.2 5 873 1219 210 25 12.5 21.7 | 130 25 -19.2 16.2 6 850 1443 220 22 14.1 16.9 | 123 21 -17.5 11.4 7 842 1524 215 22 12.6 18.0 | 124 23 -19.0 12.6 8 811 1829 235 21 17.2 12.0 | 115 16 -14.5 6.6 9 781 2134 240 25 21.7 12.5 | 125 12 -10.0 7.1 10 752 2438 250 33 31.0 11.3 | 174 6 -0.7 5.9 11 725 2743 250 40 37.6 13.7 | 216 10 5.9 8.3 12 700 3026 245 47 42.6 19.9 | 217 18 10.9 14.4 13 645 3658 240 56 48.5 28.0 | 217 28 16.8 22.6 14 620 3962 240 61 52.8 30.5 | 220 33 21.2 25.1 15 596 4267 235 52 42.6 29.8 | 204 27 10.9 24.4 16 551 4877 225 54 38.2 38.2 | 191 33 6.5 32.8 17 530 5182 220 61 39.2 46.7 | 190 42 7.5 41.3 18 500 5630 225 64 45.3 45.3 | 199 42 13.6 39.8 19 469 6096 230 70 53.6 45.0 | 209 45 22.0 39.6 20 414 7010 240 78 67.5 39.0 | 227 49 35.9 33.6 21 400 7260 235 77 63.1 44.2 | 219 50 31.4 38.8 22 380 7620 230 85 65.1 54.6 | 214 60 33.5 49.2 23 327 8664 230 100 76.6 64.3 | 217 74 44.9 58.9 24 319 8839 230 100 76.6 64.3 | 217 74 44.9 58.9 25 305 9144 230 93 71.2 59.8 | 216 67 39.6 54.4 26 300 9250 225 92 65.1 65.1 | 209 68 33.4 59.6 27 278 9754 215 92 52.8 75.4 | 197 73 21.1 69.9 28 254 10363 225 98 69.3 69.3 | 211 74 37.6 63.9 29 250 10470 230 90 68.9 57.9 | 215 64 37.3 52.4 30 231 10973 235 81 66.4 46.5 | 220 54 34.7 41.0 31 201 11887 230 76 58.2 48.9 | 211 51 26.6 43.4 32 200 11920 230 84 64.3 54.0 | 214 59 32.7 48.6 33 174 12802 225 93 65.8 65.8 | 209 69 34.1 60.3 34 171 12921 225 87 61.5 61.5 | 208 64 29.9 56.1 35 150 13750 245 78 70.7 33.0 | 235 48 39.0 27.6 36 144 14021 250 79 74.2 27.0 | 243 48 42.6 21.6 37 124 14935 240 63 54.6 31.5 | 221 35 22.9 26.1 38 118 15240 240 68 58.9 34.0 | 224 39 27.2 28.6 39 107 15850 255 41 39.6 10.6 | 237 9 7.9 5.2 40 102 16154 250 26 24.4 8.9 | 116 8 -7.2 3.5 41 100 16300 225 20 14.1 14.1 | 116 20 -17.5 8.7 42 97 16459 225 20 14.1 14.1 | 116 20 -17.5 8.7 43 93 16764 220 21 13.5 16.1 | 120 21 -18.2 10.7 44 88 17069 255 28 27.0 7.2 | 112 5 -4.6 1.8 45 84 17374 225 23 16.3 16.3 | 125 19 -15.4 10.9 46 80 17678 230 34 26.0 21.9 | 161 17 -5.6 16.4 47 76 17983 210 28 14.0 24.2 | 137 26 -17.7 18.8 48 73 18288 225 26 18.4 18.4 | 134 19 -13.3 13.0 49 70 18510 230 13 10.0 8.4 | 98 22 -21.7 2.9 50 69 18593 245 24 21.8 10.1 | 116 11 -9.9 4.7 51 66 18898 220 15 9.6 11.5 | 105 23 -22.0 6.1 52 63 19202 230 28 21.4 18.0 | 141 16 -10.2 12.6 53 60 19507 240 29 25.1 14.5 | 144 11 -6.5 9.1 54 57 19812 245 16 14.5 6.8 | 94 17 -17.2 1.3 55 54 20117 245 24 21.8 10.1 | 116 11 -9.9 4.7 56 51 20422 255 13 12.6 3.4 | 84 19 -19.1 -2.0 57 50 20600 245 23 20.8 9.7 | 112 12 -10.8 4.3 58 47 21031 250 24 22.6 8.2 | 107 10 -9.1 2.8 59 44 21336 280 17 16.7 -3.0 | 61 17 -14.9 -8.4 60 42 21641 325 12 6.9 -9.8 | 58 29 -24.8 -15.2 61 40 21946 110 2 -1.9 0.7 | 82 34 -33.5 -4.7 62 38 22250 200 10 3.4 9.4 | 98 29 -28.2 4.0 63 37 22555 255 15 14.5 3.9 | 85 17 -17.2 -1.5 64 33 23165 255 17 16.4 4.4 | 86 15 -15.2 -1.0 65 30 23774 295 23 20.8 -9.7 | 36 19 -10.8 -15.1 66 30 23790 305 21 17.2 -12.0 | 40 23 -14.5 -17.5 67 29 24079 300 21 18.2 -10.5 | 40 21 -13.5 -15.9 68 27 24384 315 15 10.6 -10.6 | 53 26 -21.1 -16.0 69 25 24994 300 15 13.0 -7.5 | 55 23 -18.7 -12.9 70 24 25298 205 10 4.2 9.1 | 98 28 -27.4 3.6 71 21 25908 240 24 20.8 12.0 | 121 13 -10.9 6.6 72 20 26350 255 35 33.8 9.1 | 210 4 2.1 3.6 73 19 26822 265 38 37.9 3.3 | 289 7 6.2 -2.1 74 17 27432 280 34 33.5 -5.9 | 351 11 1.8 -11.3 75 15 28346 290 27 25.4 -9.2 | 23 16 -6.3 -14.6 76 14 28651 265 23 22.9 2.0 | 69 9 -8.7 -3.4 77 13 28956 260 24 23.6 4.2 | 81 8 -8.0 -1.2 78 13 29261 290 26 24.4 -8.9 | 27 16 -7.2 -14.3 79 11 30175 270 25 25.0 -0.0 | 51 9 -6.7 -5.4 80 10 30780 260 38 37.4 6.6 | 258 6 5.8 1.2 81 7 33090 270 61 61.0 -0.0 | 280 30 29.3 -5.4 Wind Parameters Mean winds (0-6000m): 230.3 at 42.8 knts Storm direction: 260.3 at 32.1 knts Shear (0-3000m) pos: 6.4 neg: 2.1 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 125.3 deg Storm rel helicity (0-3000m) pos: 229.1 neg: -28.4 tot: 200.6 m^2/s^2 ave: 66.9 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 162.45 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 ------------------------------------------------------------------------------- 500 180 16 108 33| 17.4 0.0 17.4|155.9 0.0 155.9 311.8 0.99| 18.1 17.9 1000 194 20 118 30| 10.8 0.0 10.8|192.5 0.0 192.5 192.5 0.84| 13.4 11.3 1500 201 21 121 28| 6.6 0.0 6.6|193.4 -18.5 174.9 116.6 0.58| 11.3 6.5 2000 210 21 122 25| 6.2 0.0 6.2|200.4 -28.4 172.0 86.0 0.45| 10.9 4.8 2500 220 23 127 21| 7.7 0.0 7.7|222.6 -28.4 194.3 77.7 0.53| 11.5 6.1 3000 228 27 136 17| 6.4 2.1 8.5|229.1 -28.4 200.6 66.9 0.47| 11.7 5.5 4000 234 34 164 15| 4.8 2.9 7.7|240.2 -56.7 183.5 45.9 0.35| 10.9 3.9 5000 232 38 175 18| 3.8 3.3 7.1|240.2-148.5 91.7 18.3 0.17| 10.9 1.9 6000 230 43 183 22| 4.4 2.8 7.2|396.9-149.2 247.7 41.3 0.26| 10.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251022.00.gif