UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 13 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 1004 98 18.4 12.4 68 6.0 14.7 5 14 291.2 292.8 287.7 316.9 9.04 1 1000 120 17.8 10.8 64 7.0 13.6 360 9 291.0 292.4 286.8 314.1 8.15 2 925 780 11.4 10.1 92 1.3 10.6 25 26 291.0 292.5 287.1 314.9 8.41 3 918 844 10.8 10.0 95 0.8 10.3 25 26 291.0 292.5 287.1 314.9 8.42 4 902 990 9.6 9.6 100 0.0 9.6 32 26 291.2 292.7 287.1 314.9 8.34 5 850 1483 8.6 8.6 100 0.0 8.6 65 34 295.2 296.6 288.4 319.1 8.27 6 833 1650 8.0 8.0 100 0.0 8.0 72 31 296.2 297.7 288.6 319.8 8.10 7 828 1700 8.4 8.4 100 0.0 8.4 74 30 297.2 298.7 289.2 321.6 8.38 8 776 2236 6.6 6.2 97 0.4 6.3 73 29 300.8 302.2 289.8 323.6 7.68 9 707 2996 1.8 1.8 100 0.0 1.8 61 25 303.6 304.8 289.4 322.2 6.17 10 700 3077 2.0 1.5 96 0.5 1.7 65 21 304.7 305.8 289.8 323.2 6.10 11 697 3112 3.8 -1.0 71 4.8 1.4 62 20 307.1 308.0 289.6 322.8 5.10 12 635 3864 0.4 -0.4 94 0.8 -0.0 95 3 311.5 312.6 291.6 329.8 5.86 13 619 4069 0.0 -2.2 85 2.2 -1.1 148 3 313.3 314.3 291.7 329.9 5.26 14 599 4331 -2.3 -2.3 100 0.0 -2.3 212 8 313.6 314.6 291.9 330.6 5.40 15 595 4385 -2.9 -2.9 100 0.0 -2.9 224 8 313.5 314.5 291.7 329.9 5.20 16 593 4411 -2.9 -4.6 88 1.7 -3.7 230 9 313.8 314.7 291.2 328.4 4.59 17 592 4425 -2.3 -6.7 72 4.4 -4.3 234 9 314.7 315.4 290.9 327.2 3.91 18 589 4465 -2.1 -8.1 63 6.0 -4.7 243 9 315.4 316.0 290.7 326.7 3.53 19 587 4492 -2.1 -8.1 63 6.0 -4.7 249 10 315.7 316.3 290.9 327.1 3.54 20 584 4533 -2.5 -9.5 59 7.0 -5.5 258 10 315.7 316.3 290.6 326.0 3.19 21 583 4546 -2.5 -10.5 54 8.0 -5.8 262 11 315.8 316.4 290.4 325.4 2.95 22 582 4560 -2.5 -12.5 46 10.0 -6.4 265 11 316.0 316.4 290.0 324.2 2.51 23 580 4587 -1.7 -29.7 10 28.0 -9.0 271 11 317.2 317.3 288.5 319.2 0.56 24 579 4601 -1.3 -35.3 5 34.0 -9.2 273 11 317.8 317.9 288.4 319.0 0.33 25 571 4712 -1.9 -40.9 3 39.0 -9.8 291 10 318.4 318.4 288.5 319.1 0.19 26 555 4938 -1.7 -44.7 2 43.0 -10.0 323 9 321.2 321.3 289.3 321.7 0.13 27 500 5760 -7.9 -44.9 3 37.0 -14.3 360 12 323.4 323.4 289.9 323.9 0.14 28 412 7231 -20.1 -50.1 5 30.0 -23.5 307 9 326.1 326.1 290.7 326.5 0.09 29 402 7413 -21.1 -52.1 4 31.0 -24.4 289 10 327.1 327.1 291.0 327.4 0.08 30 400 7450 -21.5 -51.5 5 30.0 -24.7 285 10 327.0 327.1 291.0 327.4 0.08 31 399 7468 -21.5 -48.5 7 27.0 -24.6 284 10 327.3 327.3 291.0 327.7 0.12 32 397 7505 -21.7 -35.7 27 14.0 -24.1 282 10 327.5 327.6 291.5 329.2 0.46 33 396 7524 -21.7 -40.7 16 19.0 -24.5 281 10 327.7 327.8 291.4 328.8 0.28 34 395 7542 -21.7 -28.7 53 7.0 -23.2 280 11 328.0 328.1 292.0 331.2 0.91 35 392 7598 -22.1 -47.1 8 25.0 -25.1 276 11 328.2 328.2 291.3 328.7 0.14 36 387 7692 -22.7 -54.7 4 32.0 -25.8 275 12 328.6 328.6 291.4 328.8 0.06 37 386 7711 -22.9 -42.9 14 20.0 -25.5 275 12 328.6 328.6 291.6 329.4 0.22 38 385 7730 -22.9 -31.9 44 9.0 -24.6 274 12 328.8 328.9 292.1 331.3 0.69 39 384 7749 -22.9 -31.9 44 9.0 -24.6 274 13 329.0 329.2 292.2 331.6 0.69 40 383 7768 -22.9 -34.9 33 12.0 -24.9 274 13 329.3 329.4 292.0 331.2 0.51 41 379 7844 -23.5 -40.5 19 17.0 -25.9 274 14 329.5 329.5 291.9 330.6 0.29 42 378 7864 -23.7 -48.7 8 25.0 -26.5 274 14 329.5 329.5 291.7 330.0 0.12 43 377 7883 -23.7 -48.7 8 25.0 -26.5 274 14 329.7 329.7 291.7 330.2 0.12 44 376 7902 -23.7 -46.7 10 23.0 -26.4 274 15 330.0 330.0 291.9 330.6 0.15 45 374 7941 -23.3 -28.0 65 4.7 -24.3 273 15 331.0 331.2 293.0 334.7 1.02 46 372 7980 -23.3 -27.6 68 4.3 -24.2 273 16 331.5 331.7 293.2 335.4 1.07 47 351 8400 -27.3 -29.2 84 1.9 -27.7 271 21 331.7 331.9 293.1 335.2 0.97 48 349 8441 -27.3 -31.0 71 3.7 -28.0 271 22 332.2 332.4 293.1 335.2 0.83 49 346 8503 -27.9 -30.7 77 2.8 -28.4 270 22 332.2 332.4 293.2 335.4 0.86 50 343 8565 -28.5 -31.7 74 3.2 -29.0 268 23 332.2 332.4 293.1 335.1 0.79 51 342 8586 -28.5 -34.5 56 6.0 -29.5 266 22 332.5 332.6 293.0 334.8 0.60 52 338 8670 -29.1 -35.1 56 6.0 -30.0 256 21 332.8 332.9 293.0 335.0 0.57 53 336 8712 -29.1 -38.1 42 9.0 -30.3 251 20 333.4 333.5 293.0 335.0 0.43 54 334 8755 -29.5 -38.5 41 9.0 -30.7 246 19 333.4 333.5 293.0 335.0 0.41 55 300 9510 -34.9 -43.9 39 9.0 -35.8 280 16 336.2 336.2 293.6 337.2 0.26 56 250 10760 -43.7 -61.7 12 18.0 -44.4 265 17 341.1 341.1 294.6 341.3 0.04 57 200 12230 -50.5 -74.5 4 24.0 -51.0 265 18 352.8 352.8 297.3 352.8 0.01 58 150 14070 -57.5 -81.5 3 24.0 -57.8 240 26 371.0 371.0 300.8 371.0 0.00 59 100 16570 -65.9 -85.9 5 20.0 -66.0 310 9 400.4 400.4 305.3 400.4 0.00 60 90 17204 -68.7 -85.7 7 17.0 -68.8 275 7 407.1 407.1 306.2 407.1 0.00 61 87 17408 -67.5 -86.5 5 19.0 -67.6 286 9 413.5 413.5 306.9 413.5 0.00 62 73 18459 -69.1 -88.1 5 19.0 -69.2 336 15 431.3 431.3 309.0 431.4 0.00 63 70 18710 -68.5 -88.5 4 20.0 -68.7 345 10 437.8 437.8 309.7 437.8 0.00 64 62 19439 -66.3 -88.3 3 22.0 -66.5 358 10 458.2 458.2 311.6 458.2 0.00 65 58 19840 -67.5 -88.5 4 21.0 -67.7 359 11 464.3 464.3 312.1 464.3 0.00 66 50 20740 -63.7 -87.7 2 24.0 -64.1 350 12 493.4 493.4 314.5 493.4 0.00 67 45 21392 -61.5 -87.5 2 26.0 -62.0 9 10 513.8 513.8 315.9 513.8 0.00 68 43 21674 -62.7 -87.7 2 25.0 -63.2 4 5 517.6 517.6 316.1 517.6 0.00 69 40 22123 -60.9 -86.9 2 26.0 -61.5 329 3 532.9 532.9 317.1 532.9 0.01 70 38 22442 -61.7 -87.7 2 26.0 -62.3 277 8 538.8 538.8 317.5 538.8 0.00 71 38 22442 -59.9 -86.9 2 27.0 -60.6 277 8 543.3 543.3 317.7 543.4 0.01 72 37 22609 -60.1 -87.1 2 27.0 -60.9 269 10 547.0 547.0 317.9 547.0 0.01 73 35 22959 -57.5 -85.5 2 28.0 -58.6 317 12 562.5 562.5 318.8 562.6 0.01 74 31 23724 -59.3 -86.3 2 27.0 -60.3 84 12 577.5 577.5 319.5 577.6 0.01 75 30 23930 -58.1 -86.1 2 28.0 -59.2 130 8 586.2 586.3 320.0 586.3 0.01 76 27 24593 -57.1 -85.1 2 28.0 -58.5 191 13 607.0 607.0 320.9 607.1 0.01 77 26 24831 -57.7 -85.7 2 28.0 -59.0 232 15 611.9 611.9 321.2 611.9 0.01 78 26 24831 -55.7 -85.7 1 30.0 -57.3 232 15 617.6 617.6 321.4 617.6 0.01 79 24 25342 -54.3 -84.3 1 30.0 -56.3 287 18 635.9 635.9 322.2 636.0 0.01 80 22 25899 -53.9 -83.9 1 30.0 -56.2 354 10 653.1 653.1 322.8 653.3 0.02 81 21 26197 -54.3 -84.3 1 30.0 -56.6 307 8 660.7 660.7 323.1 660.8 0.02 82 20 26510 -52.7 -83.7 1 31.0 -55.4 255 6 674.9 674.9 323.6 675.0 0.02 83 17 27568 -50.1 -82.1 1 32.0 -53.9 296 16 715.3 715.3 324.9 715.5 0.03 84 16 27965 -50.1 -82.1 1 32.0 -54.1 287 14 727.8 727.8 325.3 728.1 0.03 85 15 28386 -51.5 -82.5 1 31.0 -55.2 288 13 736.7 736.7 325.6 737.0 0.03 86 13 29320 -49.7 -81.7 1 32.0 -54.5 318 18 773.7 773.8 326.6 774.1 0.04 87 12 29843 -51.1 -83.1 1 32.0 -55.6 335 19 786.7 786.7 326.9 787.0 0.03 88 11 30411 -49.9 -81.9 1 32.0 -55.1 302 15 810.9 810.9 327.5 811.3 0.04 89 10 31040 -46.3 -80.3 1 34.0 -53.4 265 11 846.7 846.8 328.3 847.3 0.06 90 10 31040 -46.7 -80.7 1 34.0 -53.6 265 11 845.2 845.3 328.3 845.8 0.06 91 9.6 31312 -43.9 -79.9 1 36.0 -52.3 267 11 865.7 865.8 328.7 866.4 0.07 92 9.0 31745 -44.9 -79.9 1 35.0 -53.1 269 12 878.0 878.0 329.0 878.8 0.08 93 7.7 32792 -43.3 -79.3 1 36.0 -52.9 276 12 924.5 924.6 329.9 925.6 0.10 94 7.0 33430 -45.9 -79.9 1 34.0 -54.6 280 13 939.3 939.4 330.2 940.4 0.10 95 6.9 33526 -45.9 -80.9 1 35.0 -54.6 943.2 943.2 330.2 944.1 0.08 96 6.7 33722 -44.9 -79.9 1 35.0 -54.3 955.3 955.4 330.5 956.5 0.10 TRP 90 17204 -68.7 -85.7 7 17.0 -68.8 275 7 407.1 407.1 306.2 407.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5640.00 m Freezing level: 619.00 mb = 4069.16 m = 13350.11 ft Wetbulb zero: 636.71 mb = 3842.69 m = 12607.09 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 71.64 % Est. max temperature: 22.03 C = 71.65 F Sfc-Lift cond lev (LCL): 918.33 mb = 840.54 m = 2757.63 ft T: 10.83 C 700-500 lapse rate: 3.69 C/km ThetaE index: 2.75 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 882.50 mb = 1171.51 m = 3843.49 ft Mean mixing ratio: 8.32 g/kg Conv temperature: 19.85 C = 67.72 F Cap Strength: 11.99 C Lifted Index: 11.59 C Risk: None Lifted Index @300 mb: 15.62 C Lifted Index @700 mb: 3.91 C Showalter Index: 9.01 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 16.50 C Cross Totals Index: 16.50 C K Index: 24.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 183.20 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.56 J/kg Max Up Vert Vel: 1.06 m/s Conv Inhibition (B-): 53017.10 J/kg Cap Strength: 12.01 C Lift Cond Lev (LCL): 904.65 mb = 965.65 m = 3168.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 76 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 1004 98 5 14 -1.2 -13.9 | 314 16 11.3 -10.9 1 1000 120 360 9 -0.0 -9.0 | 295 14 12.5 -5.9 2 978 305 15 15 -3.9 -14.5 | 323 14 8.6 -11.4 3 944 610 20 22 -7.5 -20.7 | 344 18 5.0 -17.6 4 925 780 25 26 -11.0 -23.6 | 356 21 1.5 -20.5 5 910 914 25 25 -10.6 -22.7 | 354 20 1.9 -19.6 6 877 1219 55 31 -25.4 -17.8 | 41 20 -12.9 -14.7 7 850 1483 65 34 -30.8 -14.4 | 58 22 -18.3 -11.3 8 815 1829 80 28 -27.6 -4.9 | 83 15 -15.1 -1.8 9 785 2134 75 30 -29.0 -7.8 | 74 17 -16.5 -4.7 10 757 2438 70 27 -25.4 -9.2 | 64 14 -12.9 -6.1 11 729 2743 65 23 -20.8 -9.7 | 52 11 -8.3 -6.6 12 702 3048 60 25 -21.7 -12.5 | 44 13 -9.1 -9.4 13 700 3077 65 21 -19.0 -8.9 | 48 9 -6.5 -5.8 14 676 3353 40 10 -6.4 -7.7 | 307 8 6.1 -4.6 15 651 3658 40 6 -3.9 -4.6 | 280 9 8.6 -1.5 16 626 3962 125 1 -0.8 0.6 | 253 12 11.7 3.7 17 603 4267 200 7 2.4 6.6 | 237 18 14.9 9.7 18 580 4572 270 11 11.0 -0.0 | 262 24 23.5 3.1 19 559 4877 320 9 5.8 -6.9 | 282 19 18.3 -3.8 20 517 5486 360 10 -0.0 -10.0 | 299 14 12.5 -6.9 21 500 5760 360 12 -0.0 -12.0 | 305 15 12.5 -8.9 22 498 5791 360 12 -0.0 -12.0 | 305 15 12.5 -8.9 23 478 6096 350 11 1.9 -10.8 | 298 16 14.4 -7.7 24 459 6401 345 10 2.6 -9.7 | 294 16 15.1 -6.6 25 424 7010 325 5 2.9 -4.1 | 274 15 15.4 -1.0 26 407 7315 300 11 9.5 -5.5 | 276 22 22.0 -2.4 27 400 7450 285 10 9.7 -2.6 | 269 22 22.2 0.5 28 391 7620 275 11 11.0 -1.0 | 265 24 23.5 2.1 29 344 8534 270 23 23.0 -0.0 | 265 36 35.5 3.1 30 329 8839 235 17 13.9 9.8 | 244 29 26.4 12.8 31 316 9144 255 13 12.6 3.4 | 256 26 25.1 6.5 32 303 9449 275 15 14.9 -1.3 | 266 28 27.4 1.8 33 300 9510 280 16 15.8 -2.8 | 269 28 28.3 0.3 34 265 10363 280 11 10.8 -1.9 | 267 23 23.3 1.2 35 253 10668 265 6 6.0 0.5 | 259 19 18.5 3.6 36 250 10760 265 17 16.9 1.5 | 261 30 29.4 4.6 37 242 10973 280 20 19.7 -3.5 | 271 32 32.2 -0.4 38 221 11582 285 11 10.6 -2.8 | 269 23 23.1 0.2 39 201 12192 265 23 22.9 2.0 | 262 36 35.4 5.1 40 200 12230 265 18 17.9 1.6 | 261 31 30.4 4.7 41 183 12802 275 13 13.0 -1.1 | 266 26 25.5 2.0 42 174 13106 220 10 6.4 7.7 | 240 22 18.9 10.8 43 159 13716 225 39 27.6 27.6 | 233 50 40.1 30.7 44 150 14070 240 26 22.5 13.0 | 245 39 35.0 16.1 45 137 14630 255 17 16.4 4.4 | 255 30 28.9 7.5 46 130 14935 240 17 14.7 8.5 | 247 30 27.2 11.6 47 124 15240 240 24 20.8 12.0 | 246 37 33.3 15.1 48 118 15545 240 25 21.7 12.5 | 245 38 34.2 15.6 49 107 16154 280 26 25.6 -4.5 | 272 38 38.1 -1.4 50 102 16459 275 17 16.9 -1.5 | 267 29 29.4 1.6 51 100 16570 310 9 6.9 -5.8 | 278 20 19.4 -2.7 52 97 16764 310 9 6.9 -5.8 | 278 20 19.4 -2.7 53 90 17204 275 7 7.0 -0.6 | 263 20 19.5 2.5 54 83 17678 300 12 10.4 -6.0 | 277 23 22.9 -2.9 55 79 17983 300 10 8.7 -5.0 | 275 21 21.2 -1.9 56 75 18288 330 19 9.5 -16.5 | 301 26 22.0 -13.4 57 70 18710 345 10 2.6 -9.7 | 294 16 15.1 -6.6 58 68 18898 315 13 9.2 -9.2 | 286 23 21.7 -6.1 59 65 19202 330 10 5.0 -8.7 | 288 18 17.5 -5.6 60 61 19507 5 10 -0.9 -10.0 | 301 14 11.6 -6.9 61 55 20117 355 11 1.0 -11.0 | 300 16 13.5 -7.9 62 53 20422 320 10 6.4 -7.7 | 284 19 18.9 -4.6 63 50 20726 360 3 -0.0 -3.0 | 270 13 12.5 0.1 64 50 20740 350 12 2.1 -11.8 | 301 17 14.6 -8.7 65 48 21031 350 15 2.6 -14.8 | 308 19 15.1 -11.7 66 45 21336 10 11 -1.9 -10.8 | 306 13 10.6 -7.7 67 41 21946 0 0 -0.0 -0.0 | 256 13 12.5 3.1 68 37 22555 260 10 9.8 1.7 | 258 23 22.4 4.8 69 34 23165 345 13 3.4 -12.6 | 301 18 15.9 -9.5 70 32 23470 360 15 -0.0 -15.0 | 314 17 12.5 -11.9 71 31 23774 100 11 -10.8 1.9 | 198 5 1.7 5.0 72 30 23930 130 8 -6.1 5.1 | 218 10 6.4 8.2 73 28 24384 145 8 -4.6 6.6 | 219 12 7.9 9.6 74 27 24689 210 15 7.5 13.0 | 231 26 20.0 16.1 75 25 24994 255 16 15.5 4.1 | 255 29 28.0 7.2 76 23 25603 310 19 14.6 -12.2 | 289 29 27.1 -9.1 77 22 25908 355 10 0.9 -10.0 | 297 15 13.4 -6.9 78 20 26510 255 6 5.8 1.6 | 256 19 18.3 4.6 79 20 26518 330 5 2.5 -4.3 | 275 15 15.0 -1.2 80 18 27127 285 10 9.7 -2.6 | 269 22 22.2 0.5 81 17 27432 285 14 13.5 -3.6 | 271 26 26.0 -0.5 82 17 27737 310 19 14.6 -12.2 | 289 29 27.1 -9.1 83 16 28042 280 13 12.8 -2.3 | 268 25 25.3 0.8 84 14 28956 300 14 12.1 -7.0 | 279 25 24.6 -3.9 85 13 29566 330 21 10.5 -18.2 | 303 28 23.0 -15.1 86 12 29870 335 19 8.0 -17.2 | 305 25 20.5 -14.1 87 10 31040 265 11 11.0 1.0 | 260 24 23.5 4.1 88 7 33430 280 13 12.8 -2.3 | 268 25 25.3 0.8 Wind Parameters Mean winds (0-6000m): 46.1 at 17.2 knts Storm direction: 76.1 at 12.9 knts Shear (0-3000m) pos: 4.9 neg: 1.9 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 88.4 deg Storm rel helicity (0-3000m) pos: 208.2 neg: -43.3 tot: 164.9 m^2/s^2 ave: 55.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 10.65 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 15 16 325 15| 9.2 0.0 9.2| 39.3 -7.3 32.0 64.0 0.59| 13.8 8.1 1000 23 20 344 16| 10.1 0.0 10.1|106.3 -9.2 97.0 97.0 0.74| 14.4 10.7 1500 39 24 10 16| 9.9 0.0 9.9|187.1 -9.2 177.8 118.6 0.82| 15.2 12.4 2000 50 26 28 15| 7.3 0.0 7.3|208.2 -16.5 191.7 95.9 0.75| 13.5 10.1 2500 55 26 37 15| 5.8 1.3 7.1|208.2 -33.7 174.5 69.8 0.59| 12.1 7.1 3000 56 26 39 14| 4.9 1.9 6.7|208.2 -43.3 164.9 55.0 0.47| 11.6 5.4 4000 56 21 30 10| 3.7 3.2 6.9|208.2 -89.2 119.0 29.7 0.10| 11.9 1.2 5000 53 19 16 8| 2.0 2.5 4.5|314.7 -92.9 221.8 44.4 0.23| 12.4 2.8 6000 46 17 359 9| 2.0 2.3 4.3|334.0-101.2 232.8 38.8 0.23| 11.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251013.00.gif