UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 14 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 14.6 13.3 92 1.3 13.8 360 7 287.4 289.1 286.8 314.2 9.60 1 1000 123 14.2 13.1 93 1.1 13.6 5 9 287.4 289.0 286.7 313.9 9.51 2 925 778 9.6 9.3 98 0.3 9.5 360 31 289.1 290.5 285.9 311.6 7.97 3 891 1088 7.8 7.8 100 0.0 7.8 11 28 290.4 291.7 285.9 311.6 7.47 4 883 1163 8.6 8.6 100 0.0 8.6 16 27 292.0 293.4 287.0 314.7 7.96 5 850 1478 8.0 8.0 100 0.0 8.0 25 19 294.5 296.0 287.9 317.4 7.94 6 793 2051 6.2 6.2 100 0.0 6.2 20 22 298.5 299.9 288.9 320.6 7.52 7 759 2413 9.4 5.2 75 4.2 7.0 29 18 305.7 307.1 291.1 327.9 7.33 8 740 2623 8.2 5.9 85 2.3 6.9 21 15 306.7 308.1 291.9 330.6 7.90 9 700 3080 4.6 4.6 100 0.0 4.6 30 17 307.6 309.0 291.9 330.8 7.62 10 697 3115 4.4 4.4 100 0.0 4.4 30 18 307.7 309.1 291.9 330.7 7.55 11 673 3399 2.6 2.6 100 0.0 2.6 33 22 308.8 310.1 291.7 329.9 6.88 12 667 3471 2.8 1.5 91 1.3 2.1 33 24 309.8 311.0 291.6 329.6 6.41 13 635 3866 -0.5 -0.6 99 0.1 -0.6 38 29 310.5 311.6 291.3 328.4 5.78 14 630 3929 0.0 -1.5 90 1.5 -0.7 39 30 311.7 312.8 291.3 328.8 5.45 15 627 3967 0.2 -4.1 73 4.3 -1.9 40 30 312.4 313.2 290.7 326.6 4.50 16 615 4122 -0.7 -7.7 59 7.0 -3.8 42 27 313.1 313.8 290.0 324.2 3.48 17 598 4344 -2.9 -8.9 63 6.0 -5.4 41 22 313.1 313.7 289.8 323.5 3.26 18 586 4505 -3.5 -15.5 39 12.0 -7.8 30 19 314.2 314.6 288.9 320.6 1.95 19 578 4613 -4.3 -15.3 42 11.0 -8.2 26 18 314.5 314.9 289.1 321.1 2.01 20 577 4627 -4.5 -15.5 42 11.0 -8.4 27 17 314.4 314.8 289.0 320.9 1.98 21 576 4640 -2.9 -28.9 11 26.0 -9.6 28 17 316.4 316.6 288.3 318.6 0.61 22 575 4654 -1.5 -47.5 2 46.0 -9.8 28 17 318.2 318.3 288.3 318.6 0.09 23 574 4668 -1.5 -43.5 2 42.0 -9.6 29 17 318.4 318.4 288.4 318.9 0.14 24 521 5431 -6.9 -43.9 3 37.0 -13.4 52 10 320.8 320.9 289.2 321.4 0.15 25 500 5750 -9.9 -43.9 4 34.0 -15.5 55 9 321.0 321.0 289.2 321.6 0.16 26 475 6142 -13.3 -46.3 4 33.0 -18.1 56 11 321.5 321.5 289.3 322.0 0.13 27 400 7440 -16.9 -58.9 1 42.0 -21.4 360 60 333.0 333.0 292.6 333.2 0.03 28 398 7478 -16.9 -58.9 1 42.0 -21.4 360 60 333.5 333.5 292.7 333.6 0.03 29 395 7535 -16.7 -57.7 2 41.0 -21.3 360 61 334.5 334.5 293.0 334.6 0.04 30 320 9081 -29.3 -46.3 18 17.0 -31.2 345 71 337.8 337.8 294.0 338.5 0.19 31 306 9400 -31.5 -47.6 19 16.1 -33.1 345 81 339.0 339.0 294.3 339.7 0.17 32 305 9423 -31.7 -47.7 19 16.0 -33.3 345 81 339.1 339.1 294.3 339.8 0.17 33 300 9540 -32.3 -52.3 12 20.0 -33.9 345 78 339.9 339.9 294.4 340.3 0.10 34 294 9682 -33.1 -56.1 8 23.0 -34.7 348 74 340.7 340.7 294.6 341.0 0.07 35 290 9778 -32.7 -60.7 4 28.0 -34.5 350 72 342.6 342.6 295.0 342.8 0.04 36 280 10025 -32.9 -65.9 2 33.0 -34.7 354 65 345.8 345.8 295.7 345.8 0.02 37 263 10462 -37.1 -67.1 3 30.0 -38.4 352 71 345.9 345.9 295.7 345.9 0.02 38 250 10810 -39.3 -69.3 3 30.0 -40.5 350 77 347.6 347.6 296.1 347.7 0.01 39 246 10920 -39.9 -69.9 3 30.0 -41.0 350 78 348.3 348.4 296.3 348.4 0.01 40 226 11495 -41.7 -74.7 2 33.0 -42.7 344 66 354.1 354.1 297.5 354.2 0.01 41 210 11987 -45.1 -76.1 2 31.0 -45.9 339 57 356.3 356.4 298.0 356.4 0.01 42 200 12310 -48.1 -76.1 3 28.0 -48.7 335 62 356.6 356.6 298.0 356.6 0.01 43 190 12646 -51.3 -76.3 4 25.0 -51.7 335 66 356.7 356.7 298.1 356.8 0.01 44 176 13141 -53.7 -78.7 3 25.0 -54.1 340 62 360.7 360.7 298.8 360.7 0.00 45 159 13786 -59.3 -80.3 5 21.0 -59.5 348 52 361.8 361.8 299.1 361.9 0.00 46 150 14150 -61.3 -82.3 5 21.0 -61.4 335 50 364.5 364.5 299.5 364.5 0.00 47 140 14575 -63.9 -83.9 5 20.0 -64.0 333 54 367.2 367.2 300.1 367.2 0.00 48 139 14619 -62.5 -83.5 4 21.0 -62.7 331 55 370.4 370.4 300.7 370.4 0.00 49 136 14754 -61.9 -84.9 3 23.0 -62.1 335 52 373.8 373.8 301.2 373.8 0.00 50 124 15320 -65.7 -84.7 5 19.0 -65.8 352 38 376.9 376.9 301.8 376.9 0.00 51 117 15674 -64.3 -85.3 4 21.0 -64.4 343 34 385.8 385.8 303.2 385.8 0.00 52 100 16620 -70.1 -86.1 8 16.0 -70.2 315 26 392.3 392.3 304.1 392.3 0.00 53 97 16801 -70.7 -86.7 8 16.0 -70.8 325 30 394.5 394.5 304.5 394.6 0.00 54 93 17051 -69.5 -86.5 7 17.0 -69.6 345 24 401.7 401.7 305.5 401.7 0.00 55 85 17583 -72.1 -87.1 9 15.0 -72.2 332 12 406.9 406.9 306.1 406.9 0.00 56 78 18091 -70.3 -87.3 7 17.0 -70.4 336 12 420.8 420.8 307.8 420.8 0.00 57 71 18646 -72.5 -89.5 6 17.0 -72.6 33 10 427.5 427.5 308.6 427.6 0.00 58 70 18730 -70.3 -89.3 5 19.0 -70.4 5 10 434.0 434.0 309.3 434.0 0.00 59 64 19263 -71.7 -89.7 5 18.0 -71.8 330 10 442.2 442.2 310.1 442.2 0.00 60 57 19954 -68.5 -90.5 3 22.0 -68.7 340 11 464.3 464.3 312.1 464.3 0.00 61 55 20170 -65.7 -89.7 2 24.0 -66.0 345 11 475.5 475.5 313.1 475.5 0.00 62 53 20395 -66.9 -89.9 3 23.0 -67.1 350 10 477.8 477.8 313.2 477.8 0.00 63 50 20750 -64.7 -89.7 2 25.0 -65.0 95 7 491.0 491.0 314.3 491.0 0.00 64 46 21259 -63.9 -89.9 2 26.0 -64.3 60 11 504.8 504.8 315.3 504.8 0.00 65 45 21394 -62.7 -89.7 1 27.0 -63.1 47 11 510.9 510.9 315.7 510.9 0.00 66 41 21965 -63.9 -89.9 2 26.0 -64.3 342 3 521.7 521.7 316.4 521.7 0.00 67 39 22273 -61.1 -89.1 1 28.0 -61.7 356 10 536.3 536.3 317.3 536.3 0.00 68 33 23313 -59.3 -88.3 1 29.0 -60.2 247 4 567.3 567.3 319.0 567.3 0.00 69 33 23313 -59.1 -88.1 1 29.0 -60.0 247 4 567.8 567.8 319.0 567.9 0.00 70 30 23910 -59.3 -88.3 1 29.0 -60.3 325 13 583.0 583.0 319.8 583.0 0.01 71 26 24811 -57.7 -88.7 1 31.0 -59.0 339 18 611.9 611.9 321.2 611.9 0.01 72 24 25321 -54.1 -86.1 1 32.0 -56.2 18 17 636.5 636.5 322.2 636.6 0.01 73 23 25594 -55.1 -86.1 1 31.0 -57.1 45 13 641.4 641.4 322.3 641.4 0.01 74 21 26176 -54.9 -85.9 1 31.0 -57.1 17 7 658.9 658.9 323.0 659.0 0.01 75 20 26490 -52.7 -85.7 1 33.0 -55.5 300 4 674.9 674.9 323.6 675.0 0.01 76 19 26822 -51.3 -85.3 1 34.0 -54.5 292 7 689.2 689.2 324.1 689.3 0.01 77 17 27545 -50.9 -84.9 1 34.0 -54.5 277 12 712.7 712.8 324.8 712.9 0.02 78 17 27545 -50.9 -84.9 1 34.0 -54.5 277 12 712.7 712.8 324.8 712.9 0.02 79 15 28358 -51.1 -85.1 1 34.0 -55.0 307 24 738.1 738.1 325.6 738.2 0.02 80 13 29296 -47.3 -83.3 1 36.0 -53.0 320 24 782.0 782.1 326.8 782.3 0.03 81 13 29296 -47.1 -83.1 1 36.0 -52.9 320 24 782.7 782.8 326.8 783.0 0.03 82 12 29825 -47.9 -83.9 1 36.0 -53.7 329 21 798.0 798.0 327.2 798.3 0.03 83 11 30403 -44.3 -82.3 1 38.0 -52.0 300 10 831.2 831.2 328.0 831.6 0.04 84 10 31040 -45.5 -82.5 1 37.0 -52.9 260 11 849.7 849.7 328.4 850.1 0.04 85 9.7 31243 -46.3 -83.3 1 37.0 -53.5 263 12 854.1 854.1 328.5 854.5 0.04 86 9.6 31312 -45.1 -83.1 1 38.0 -52.9 264 12 861.2 861.2 328.7 861.6 0.04 87 8.7 31966 -47.5 -83.5 1 36.0 -54.6 274 15 876.5 876.5 329.0 876.9 0.04 88 7.8 32690 -45.7 -82.7 1 37.0 -54.1 284 18 911.5 911.5 329.7 912.0 0.05 89 7.0 33410 -46.1 -83.1 1 37.0 -54.8 295 21 938.5 938.5 330.1 939.1 0.06 90 6.5 33902 -47.3 -83.3 1 36.0 -55.6 953.5 953.5 330.4 954.1 0.06 91 6.2 34214 -47.1 -83.1 1 36.0 -55.8 967.3 967.4 330.7 968.0 0.06 92 5.4 35137 -43.1 -82.1 1 39.0 -54.6 1024.1 1024.2 331.5 1025.2 0.09 TRP 97 16801 -70.7 -86.7 8 16.0 -70.8 325 30 394.5 394.5 304.5 394.6 0.00 WND 306 9400 -31.5 -47.6 19 16.1 -33.1 345 81 339.0 339.0 294.3 339.7 0.17 Sounding variables and indices 1000-500 mb thick: 5627.00 m Freezing level: 639.85 mb = 3806.15 m = 12487.23 ft Freezing level: 630.00 mb = 3929.16 m = 12890.77 ft Freezing level: 624.33 mb = 4001.66 m = 13128.66 ft Wetbulb zero: 641.87 mb = 3779.54 m = 12399.92 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 71.66 % Est. max temperature: 21.39 C = 70.51 F Sfc-Lift cond lev (LCL): 984.86 mb = 251.13 m = 823.92 ft T: 13.30 C 700-500 lapse rate: 5.43 C/km ThetaE index: 2.60 C Layer 1000.0- 883.0 mb Conv cond level (CCL): 941.26 mb = 631.60 m = 2072.16 ft Mean mixing ratio: 8.57 g/kg Conv temperature: 15.91 C = 60.65 F Cap Strength: 11.55 C Lifted Index: 10.82 C Risk: None Lifted Index @300 mb: 19.65 C Lifted Index @700 mb: 7.51 C Showalter Index: 7.95 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 17.90 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 143.00 Risk: None Energy Index: 1.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.92 J/kg Max Up Vert Vel: 4.88 m/s Conv Inhibition (B-): 0.27 J/kg Cap Strength: 11.53 C Lift Cond Lev (LCL): 944.88 mb = 599.32 m = 1966.25 ft Lev Free Conv (LFC): 929.88 mb = 733.76 m = 2407.33 ft Equ Level (EL): 889.88 mb = 1098.67 m = 3604.53 ft B at Equ Level: 11.58 J/kg Max Parcel Lev (MPL): 859.88 mb = 1382.36 m = 4535.25 ft Wind level data Storm motion: 56 at 14 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 98 360 7 -0.0 -7.0 | 265 12 12.1 1.0 1 1000 123 5 9 -0.8 -9.0 | 275 11 11.3 -1.0 2 979 305 5 21 -1.8 -20.9 | 322 16 10.2 -12.9 3 944 610 360 29 -0.0 -29.0 | 330 24 12.1 -21.0 4 925 778 360 31 -0.0 -31.0 | 332 26 12.1 -23.0 5 910 914 360 30 -0.0 -30.0 | 331 25 12.1 -22.0 6 877 1219 20 26 -8.9 -24.4 | 349 17 3.2 -16.4 7 850 1478 25 19 -8.0 -17.2 | 336 10 4.0 -9.2 8 845 1524 40 16 -10.3 -12.3 | 337 5 1.8 -4.3 9 815 1829 20 21 -7.2 -19.7 | 337 13 4.9 -11.7 10 785 2134 20 23 -7.9 -21.6 | 343 14 4.2 -13.6 11 757 2438 30 17 -8.5 -14.7 | 332 8 3.6 -6.7 12 729 2743 15 14 -3.6 -13.5 | 303 10 8.4 -5.5 13 703 3048 30 16 -8.0 -13.9 | 325 7 4.1 -5.9 14 700 3080 30 17 -8.5 -14.7 | 332 8 3.6 -6.7 15 651 3658 35 27 -15.5 -22.1 | 14 15 -3.4 -14.1 16 626 3962 40 30 -19.3 -23.0 | 26 17 -7.2 -15.0 17 603 4267 45 23 -16.3 -16.3 | 27 9 -4.2 -8.3 18 580 4572 25 18 -7.6 -16.3 | 332 9 4.5 -8.3 19 558 4877 40 14 -9.0 -10.7 | 312 4 3.1 -2.7 20 537 5182 40 10 -6.4 -7.7 | 267 6 5.6 0.3 21 517 5486 55 10 -8.2 -5.7 | 240 4 3.9 2.3 22 500 5750 55 9 -7.4 -5.2 | 239 5 4.7 2.8 23 478 6096 65 10 -9.1 -4.2 | 218 5 3.0 3.8 24 459 6401 360 15 -0.0 -15.0 | 300 14 12.1 -7.0 25 400 7440 360 60 -0.0 -60.0 | 347 53 12.1 -52.0 26 390 7620 360 62 -0.0 -62.0 | 347 55 12.1 -54.0 27 359 8230 350 64 11.1 -63.0 | 337 60 23.2 -55.0 28 317 9144 345 72 18.6 -69.5 | 333 69 30.7 -61.5 29 306 9400 345 81 21.0 -78.2 | 335 78 33.0 -70.2 30 304 9449 345 81 21.0 -78.2 | 335 78 33.0 -70.2 31 300 9540 345 78 20.2 -75.3 | 334 75 32.2 -67.3 32 278 10058 355 64 5.6 -63.8 | 342 58 17.6 -55.8 33 250 10810 350 77 13.4 -75.8 | 339 72 25.4 -67.8 34 244 10973 350 78 13.5 -76.8 | 340 73 25.6 -68.8 35 213 11887 340 56 19.2 -52.6 | 325 54 31.2 -44.6 36 200 12310 335 62 26.2 -56.2 | 322 62 38.3 -48.2 37 185 12802 335 68 28.7 -61.6 | 323 67 40.8 -53.6 38 161 13716 350 52 9.0 -51.2 | 334 48 21.1 -43.2 39 150 14150 335 50 21.1 -45.3 | 318 50 33.2 -37.3 40 146 14326 345 48 12.4 -46.4 | 327 46 24.5 -38.4 41 139 14630 330 55 27.5 -47.6 | 315 56 39.6 -39.6 42 125 15240 355 38 3.3 -37.9 | 333 34 15.4 -29.9 43 119 15545 340 37 12.7 -34.8 | 317 36 24.7 -26.8 44 108 16154 355 24 2.1 -23.9 | 318 21 14.2 -15.9 45 103 16459 345 17 4.4 -16.4 | 297 18 16.5 -8.4 46 100 16620 315 26 18.4 -18.4 | 289 32 30.4 -10.4 47 98 16764 315 26 18.4 -18.4 | 289 32 30.4 -10.4 48 97 16801 325 30 17.2 -24.6 | 300 34 29.3 -16.6 49 88 17374 10 16 -2.8 -15.8 | 310 12 9.3 -7.8 50 84 17678 315 10 7.1 -7.1 | 267 19 19.1 0.9 51 79 17983 315 12 8.5 -8.5 | 271 21 20.5 -0.5 52 75 18288 15 12 -3.1 -11.6 | 292 10 9.0 -3.6 53 72 18593 50 10 -7.7 -6.4 | 250 5 4.4 1.6 54 70 18730 5 10 -0.9 -10.0 | 280 11 11.2 -2.0 55 68 18898 5 10 -0.9 -10.0 | 280 11 11.2 -2.0 56 65 19202 330 10 5.0 -8.7 | 272 17 17.1 -0.7 57 61 19507 330 12 6.0 -10.4 | 278 18 18.1 -2.4 58 53 20422 350 10 1.7 -9.8 | 278 14 13.8 -1.9 59 50 20726 335 12 5.1 -10.9 | 280 17 17.1 -2.9 60 50 20750 95 7 -7.0 0.6 | 211 10 5.1 8.6 61 45 21336 55 12 -9.8 -6.9 | 243 2 2.2 1.1 62 41 21946 340 2 0.7 -1.9 | 244 14 12.7 6.1 63 39 22250 355 10 0.9 -10.0 | 279 13 12.9 -2.0 64 37 22555 360 10 -0.0 -10.0 | 279 12 12.1 -2.0 65 36 22860 345 13 3.4 -12.6 | 286 16 15.4 -4.6 66 32 23470 215 1 0.6 0.8 | 235 15 12.6 8.8 67 31 23774 300 10 8.7 -5.0 | 262 21 20.7 3.0 68 30 23910 325 13 7.5 -10.6 | 278 20 19.5 -2.7 69 28 24384 325 12 6.9 -9.8 | 276 19 18.9 -1.8 70 25 24994 345 21 5.4 -20.3 | 305 21 17.5 -12.3 71 23 25603 45 13 -9.2 -9.2 | 293 3 2.9 -1.2 72 22 25908 85 10 -10.0 -0.9 | 196 7 2.1 7.1 73 20 26490 300 4 3.5 -2.0 | 249 17 15.5 6.0 74 18 27127 285 10 9.7 -2.6 | 256 22 21.7 5.4 75 17 27432 295 16 14.5 -6.8 | 267 27 26.6 1.2 76 17 27737 250 6 5.6 2.1 | 240 20 17.7 10.0 77 16 28042 280 10 9.8 -1.7 | 254 23 21.9 6.3 78 15 28346 305 25 20.5 -14.3 | 281 33 32.5 -6.3 79 14 28651 325 16 9.2 -13.1 | 284 22 21.2 -5.1 80 14 28956 315 14 9.9 -9.9 | 275 22 22.0 -1.9 81 13 29261 315 23 16.3 -16.3 | 286 30 28.3 -8.3 82 13 29566 340 30 10.3 -28.2 | 312 30 22.3 -20.2 83 11 30175 315 10 7.1 -7.1 | 267 19 19.1 0.9 84 10 31040 260 11 10.8 1.9 | 247 25 22.9 9.9 85 7 33410 295 21 19.0 -8.9 | 272 31 31.1 -0.9 Wind Parameters Mean winds (0-6000m): 26.5 at 19.3 knts Storm direction: 56.5 at 14.5 knts Shear (0-3000m) pos: 1.9 neg: 1.3 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 109.8 neg: -23.0 tot: 86.9 m^2/s^2 ave: 29.0 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.38 Bulk Shear: 8.65 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 3 20 318 16| 22.3 0.0 22.3| 57.6 0.0 57.6 115.2 0.71| 22.8 16.2 1000 2 25 327 20| 10.7 0.0 10.7| 87.9 -2.3 85.5 85.5 0.64| 16.3 10.5 1500 9 24 332 18| 4.2 0.0 4.2| 98.1 -8.7 89.4 59.6 0.45| 15.8 7.1 2000 12 23 333 16| 3.1 2.0 5.1|101.4 -9.7 91.6 45.8 0.39| 13.9 5.4 2500 14 22 334 15| 1.6 1.6 3.2|101.4 -19.5 81.9 32.8 0.27| 13.0 3.5 3000 15 21 332 14| 1.9 1.3 3.2|109.8 -23.0 86.9 29.0 0.28| 11.9 3.3 4000 21 22 342 13| 2.7 1.0 3.7|143.8 -23.0 120.8 30.2 0.35| 11.0 3.9 5000 24 21 343 12| 2.0 1.3 3.3|144.0 -49.8 94.2 18.8 0.16| 10.9 1.7 6000 26 19 340 10| 1.9 1.1 3.0|144.0 -56.3 87.7 14.6 0.10| 9.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251014.00.gif