UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 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 1008 98 13.2 10.7 85 2.5 11.7 300 4 285.7 287.1 284.6 308.0 8.03 1 1000 158 13.8 10.1 78 3.7 11.7 330 16 287.0 288.3 284.8 308.7 7.78 2 974 381 14.6 9.6 72 5.0 11.7 345 23 289.9 291.3 285.9 311.8 7.72 3 931 761 11.8 7.8 76 4.0 9.6 15 25 290.8 292.1 285.7 311.2 7.14 4 925 815 12.4 5.4 62 7.0 8.6 20 26 292.0 293.1 285.1 309.5 6.08 5 921 851 12.6 6.6 67 6.0 9.3 22 25 292.6 293.7 285.9 311.7 6.64 6 895 1092 11.0 6.2 72 4.8 8.3 25 20 293.3 294.5 286.2 312.5 6.65 7 886 1176 11.2 3.2 58 8.0 7.0 25 19 294.4 295.3 285.4 310.2 5.44 8 857 1454 9.8 2.8 62 7.0 6.2 10 18 295.7 296.7 285.9 311.7 5.46 9 851 1512 9.8 2.8 62 7.0 6.1 6 18 296.3 297.3 286.2 312.5 5.50 10 850 1522 9.8 2.8 62 7.0 6.1 5 18 296.4 297.4 286.2 312.6 5.51 11 849 1532 9.8 1.8 57 8.0 5.7 359 18 296.5 297.4 285.9 311.7 5.13 12 843 1591 9.8 2.8 62 7.0 6.1 356 19 297.1 298.1 286.6 313.5 5.56 13 841 1610 9.8 2.8 62 7.0 6.1 354 19 297.3 298.3 286.6 313.7 5.57 14 816 1860 7.8 1.8 66 6.0 4.7 340 22 297.8 298.7 286.6 313.6 5.34 15 811 1911 7.8 -0.2 57 8.0 3.8 340 23 298.3 299.1 286.1 312.2 4.65 16 809 1931 7.8 1.8 66 6.0 4.7 340 23 298.5 299.5 286.9 314.5 5.39 17 799 2033 7.0 2.4 72 4.6 4.6 340 23 298.7 299.8 287.3 315.6 5.70 18 798 2044 6.8 2.0 71 4.8 4.3 340 23 298.6 299.6 287.1 315.1 5.54 19 793 2095 6.8 0.8 66 6.0 3.8 340 24 299.1 300.1 286.9 314.4 5.11 20 790 2126 7.2 -2.8 49 10.0 2.5 340 24 299.9 300.6 285.9 311.8 3.94 21 785 2179 7.4 -7.6 34 15.0 1.0 342 25 300.7 301.2 285.0 309.1 2.75 22 778 2252 9.0 -38.0 2 47.0 -1.9 346 26 303.2 303.2 282.9 303.8 0.19 23 776 2274 9.2 -33.8 3 43.0 -1.7 347 27 303.6 303.6 283.2 304.6 0.28 24 768 2360 8.8 -23.2 8 32.0 -1.2 351 28 304.1 304.2 284.0 306.6 0.77 25 752 2534 9.6 -32.4 3 42.0 -1.6 353 31 306.8 306.8 284.5 307.9 0.33 26 724 2848 8.0 -19.0 13 27.0 -1.4 347 33 308.4 308.6 286.1 312.2 1.18 27 718 2916 7.8 -10.2 27 18.0 0.2 345 34 308.9 309.3 287.6 316.7 2.45 28 717 2928 7.8 -2.2 49 10.0 2.8 345 34 309.0 309.8 289.7 323.1 4.54 29 716 2939 7.6 -0.4 57 8.0 3.4 345 35 308.9 309.9 290.3 325.0 5.19 30 708 3032 7.2 -2.8 49 10.0 2.2 342 36 309.5 310.3 289.7 323.2 4.40 31 700 3125 6.6 -2.4 53 9.0 2.1 340 37 309.8 310.7 290.0 324.1 4.58 32 695 3184 6.4 -0.6 61 7.0 2.8 337 37 310.2 311.2 290.7 326.6 5.27 33 667 3521 5.6 -3.4 52 9.0 1.1 333 37 313.0 313.8 290.9 327.1 4.46 34 662 3583 5.6 -9.4 33 15.0 -1.0 334 37 313.7 314.2 289.6 322.8 2.83 35 659 3620 5.6 -12.4 26 18.0 -1.8 334 38 314.1 314.5 289.2 321.4 2.24 36 652 3707 5.2 -12.8 26 18.0 -2.1 334 38 314.6 315.0 289.3 321.8 2.19 37 647 3770 4.6 -7.4 41 12.0 -0.9 331 38 314.6 315.2 290.4 325.5 3.39 38 642 3833 4.0 -7.0 44 11.0 -1.1 328 38 314.6 315.3 290.5 325.9 3.52 39 625 4051 2.0 -6.0 55 8.0 -1.7 320 39 314.7 315.5 290.9 327.3 3.91 40 615 4182 2.0 -9.0 44 11.0 -2.9 314 39 316.2 316.8 290.7 326.4 3.15 41 598 4407 0.6 -11.4 40 12.0 -4.4 309 39 317.1 317.6 290.5 325.9 2.67 42 596 4434 0.4 -10.6 43 11.0 -4.3 309 39 317.2 317.7 290.7 326.6 2.86 43 570 4791 -2.5 -10.5 54 8.0 -5.8 306 38 317.9 318.4 291.0 327.7 3.01 44 553 5031 -3.9 -12.9 50 9.0 -7.4 305 37 319.0 319.5 291.0 327.4 2.56 45 551 5060 -4.1 -14.1 46 10.0 -7.9 305 37 319.1 319.5 290.8 326.8 2.33 46 548 5103 -3.9 -15.9 39 12.0 -8.3 305 36 319.8 320.2 290.7 326.6 2.02 47 545 5146 -4.1 -14.1 46 10.0 -7.9 305 36 320.1 320.5 291.1 327.9 2.36 48 543 5175 -4.3 -16.3 39 12.0 -8.7 305 36 320.2 320.5 290.8 326.8 1.97 49 540 5219 -4.7 -12.7 54 8.0 -7.9 305 36 320.2 320.7 291.5 329.0 2.67 50 535 5292 -5.3 -15.3 45 10.0 -9.0 305 35 320.3 320.7 291.0 327.6 2.17 51 505 5743 -8.9 -14.9 62 6.0 -11.1 305 32 321.3 321.7 291.5 329.3 2.38 52 500 5820 -9.5 -15.5 62 6.0 -11.6 305 31 321.5 321.9 291.5 329.1 2.29 53 491 5959 -10.5 -17.5 56 7.0 -12.9 307 31 321.9 322.3 291.3 328.6 1.97 54 400 7500 -20.3 -32.3 33 12.0 -22.7 315 47 328.6 328.7 292.0 330.9 0.64 55 300 9570 -33.7 -55.7 9 22.0 -35.2 320 86 337.9 337.9 293.9 338.2 0.07 56 250 10820 -43.7 -61.7 12 18.0 -44.4 320 87 341.1 341.1 294.6 341.3 0.04 57 213 11881 -49.7 -69.2 8 19.4 -50.2 320 90 347.7 347.7 296.1 347.8 0.02 58 200 12290 -52.1 -72.1 7 20.0 -52.5 315 81 350.3 350.3 296.7 350.3 0.01 59 150 14100 -63.1 -81.1 7 18.0 -63.2 315 65 361.4 361.4 299.0 361.4 0.00 60 120 15445 -71.1 -86.1 9 15.0 -71.2 315 55 370.5 370.5 300.7 370.5 0.00 61 100 16520 -72.3 -86.3 10 14.0 -72.3 305 37 388.0 388.0 303.5 388.0 0.00 62 86 17411 -70.9 -86.9 8 16.0 -71.0 309 32 408.0 408.0 306.3 408.0 0.00 63 76 18142 -71.7 -87.7 7 16.0 -71.8 310 30 421.0 421.0 307.8 421.0 0.00 64 74 18300 -69.7 -87.7 6 18.0 -69.8 315 31 428.4 428.4 308.7 428.4 0.00 65 70 18630 -71.1 -89.1 5 18.0 -71.2 310 29 432.3 432.3 309.1 432.3 0.00 66 66 18979 -69.1 -89.1 4 20.0 -69.2 313 28 444.0 444.0 310.3 444.0 0.00 67 64 19162 -69.7 -89.7 4 20.0 -69.8 332 30 446.6 446.6 310.6 446.6 0.00 68 62 19352 -67.5 -89.5 3 22.0 -67.7 332 24 455.5 455.5 311.4 455.5 0.00 69 60 19549 -68.1 -90.1 3 22.0 -68.2 324 19 458.5 458.5 311.6 458.5 0.00 70 59 19650 -66.3 -89.3 3 23.0 -66.5 310 19 464.7 464.7 312.2 464.7 0.00 71 57 19858 -67.5 -89.5 3 22.0 -67.7 298 18 466.6 466.6 312.4 466.6 0.00 72 52 20413 -65.9 -89.9 2 24.0 -66.2 325 21 482.7 482.7 313.7 482.8 0.00 73 50 20650 -66.5 -90.5 2 24.0 -66.8 300 10 486.8 486.8 314.0 486.8 0.00 74 46 21155 -66.5 -90.5 2 24.0 -66.8 322 13 498.5 498.5 314.8 498.5 0.00 75 43 21565 -65.7 -89.7 2 24.0 -66.0 70 11 510.2 510.2 315.7 510.2 0.00 76 41 21857 -62.3 -89.3 2 27.0 -62.8 117 10 525.7 525.7 316.6 525.7 0.00 77 38 22327 -62.3 -89.3 2 27.0 -62.9 321 21 537.2 537.2 317.3 537.2 0.00 78 36 22663 -60.3 -88.3 1 28.0 -61.0 333 23 550.8 550.8 318.1 550.8 0.00 79 35 22838 -61.9 -88.9 2 27.0 -62.6 330 23 551.1 551.1 318.2 551.1 0.00 80 32 23394 -61.1 -89.1 1 28.0 -61.9 24 23 567.5 567.5 319.0 567.5 0.00 81 30 23800 -56.3 -87.3 1 31.0 -57.7 215 11 591.2 591.2 320.2 591.2 0.01 82 30 23800 -56.3 -87.3 1 31.0 -57.7 215 11 591.2 591.2 320.2 591.2 0.01 83 27 24474 -54.3 -85.3 1 31.0 -56.2 297 17 614.9 614.9 321.3 614.9 0.01 84 26 24716 -55.1 -86.1 1 31.0 -56.9 305 22 619.3 619.3 321.5 619.3 0.01 85 25 24968 -52.7 -84.7 1 32.0 -55.0 342 19 633.1 633.1 322.0 633.2 0.01 86 23 25507 -53.3 -85.3 1 32.0 -55.6 15 16 646.7 646.7 322.6 646.7 0.01 87 20 26410 -52.3 -84.3 1 32.0 -55.1 265 9 676.1 676.1 323.6 676.2 0.02 88 18 27092 -51.7 -84.7 1 33.0 -54.9 275 10 698.7 698.7 324.4 698.8 0.02 89 18 27092 -52.3 -84.3 1 32.0 -55.4 275 10 696.8 696.8 324.3 696.9 0.02 90 15 28279 -48.9 -82.9 1 34.0 -53.5 284 10 745.4 745.4 325.8 745.6 0.03 91 14 28729 -51.1 -84.1 1 33.0 -55.2 296 17 752.8 752.8 326.0 753.0 0.02 92 12 29739 -47.5 -82.5 1 35.0 -53.4 323 18 799.4 799.5 327.3 799.8 0.04 93 10 30940 -48.7 -83.7 1 35.0 -54.7 235 10 837.8 837.8 328.1 838.1 0.04 94 10 30940 -48.3 -83.3 1 35.0 -54.5 235 10 839.3 839.3 328.2 839.6 0.04 95 9.7 31140 -49.3 -83.3 1 34.0 -55.2 842.8 842.9 328.2 843.2 0.04 96 8.1 32327 -47.3 -83.3 1 36.0 -54.8 895.4 895.4 329.4 895.8 0.05 97 7.5 32840 -44.3 -82.3 1 38.0 -53.6 927.4 927.5 329.9 928.1 0.06 TRP 120 15445 -71.1 -86.1 9 15.0 -71.2 315 55 370.5 370.5 300.7 370.5 0.00 WND 213 11881 -49.7 -69.2 8 19.4 -50.2 320 90 347.7 347.7 296.1 347.8 0.02 Sounding variables and indices 1000-500 mb thick: 5662.00 m Freezing level: 592.41 mb = 4483.59 m = 14709.76 ft Wetbulb zero: 782.57 mb = 2204.11 m = 7231.24 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 50.46 % Est. max temperature: 23.19 C = 73.75 F Sfc-Lift cond lev (LCL): 970.85 mb = 407.91 m = 1338.26 ft T: 14.40 C 700-500 lapse rate: 5.97 C/km ThetaE index: 11.80 C Layer 798.0- 776.0 mb Conv cond level (CCL): 629.85 mb = 3988.50 m = 13085.46 ft Mean mixing ratio: 7.34 g/kg Conv temperature: 42.27 C = 108.08 F Cap Strength: 12.76 C Lifted Index: 12.28 C Risk: None Lifted Index @300 mb: 19.37 C Lifted Index @700 mb: 10.27 C Showalter Index: 11.16 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 12.30 C K Index: 13.10 Risk: None Sweat Index: 100.60 Risk: None Energy Index: 3.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.85 J/kg Max Up Vert Vel: 6.30 m/s Conv Inhibition (B-): 58055.87 J/kg Cap Strength: 12.74 C Lift Cond Lev (LCL): 892.16 mb = 1118.07 m = 3668.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 0 at 23 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 1008 98 300 4 3.5 -2.0 | 190 21 3.5 20.8 1 1000 158 330 16 8.0 -13.9 | 222 12 8.1 8.9 2 983 305 340 23 7.9 -21.6 | 262 8 7.9 1.2 3 948 610 360 24 -0.0 -24.0 | 357 1 0.1 -1.2 4 925 815 20 26 -8.9 -24.4 | 79 9 -8.8 -1.7 5 914 914 25 22 -9.3 -19.9 | 107 10 -9.2 2.8 6 881 1219 25 19 -8.0 -17.2 | 125 10 -8.0 5.5 7 850 1522 5 18 -1.6 -17.9 | 163 5 -1.5 4.8 8 850 1524 360 18 -0.0 -18.0 | 181 5 0.1 4.8 9 819 1829 340 22 7.5 -20.7 | 255 8 7.6 2.1 10 789 2134 340 24 8.2 -22.6 | 269 8 8.3 0.2 11 761 2438 355 30 2.6 -29.9 | 339 8 2.7 -7.1 12 733 2743 350 32 5.6 -31.5 | 327 10 5.6 -8.7 13 700 3125 340 37 12.7 -34.8 | 313 17 12.7 -12.0 14 680 3353 330 36 18.0 -31.2 | 295 20 18.1 -8.4 15 655 3658 335 38 16.1 -34.4 | 306 20 16.1 -11.7 16 607 4267 310 39 29.9 -25.1 | 274 30 29.9 -2.3 17 562 4877 305 38 31.1 -21.8 | 268 31 31.2 1.0 18 500 5820 305 31 25.4 -17.8 | 259 26 25.5 5.0 19 482 6096 310 30 23.0 -19.3 | 261 23 23.0 3.5 20 400 7500 315 47 33.2 -33.2 | 287 35 33.3 -10.5 21 393 7620 315 47 33.2 -33.2 | 287 35 33.3 -10.5 22 332 8839 310 53 40.6 -34.1 | 286 42 40.7 -11.3 23 318 9144 320 68 43.7 -52.1 | 304 53 43.8 -29.3 24 305 9449 320 84 54.0 -64.3 | 308 68 54.1 -41.6 25 300 9570 320 86 55.3 -65.9 | 308 70 55.3 -43.1 26 279 10058 320 87 55.9 -66.6 | 308 71 56.0 -43.9 27 250 10820 320 87 55.9 -66.6 | 308 71 56.0 -43.9 28 244 10973 320 87 55.9 -66.6 | 308 71 56.0 -43.9 29 213 11881 320 90 57.9 -68.9 | 309 74 57.9 -46.2 30 203 12192 320 90 57.9 -68.9 | 309 74 57.9 -46.2 31 200 12290 315 81 57.3 -57.3 | 301 67 57.3 -34.5 32 150 14100 315 65 46.0 -46.0 | 297 52 46.0 -23.2 33 124 15240 320 59 37.9 -45.2 | 301 44 38.0 -22.4 34 120 15445 315 55 38.9 -38.9 | 292 42 38.9 -16.1 35 118 15545 325 61 35.0 -50.0 | 308 44 35.0 -27.2 36 112 15850 310 55 42.1 -35.4 | 287 44 42.2 -12.6 37 106 16154 305 63 51.6 -36.1 | 285 53 51.7 -13.4 38 101 16459 315 47 33.2 -33.2 | 287 35 33.3 -10.5 39 100 16520 305 37 30.3 -21.2 | 267 30 30.4 1.5 40 96 16764 305 37 30.3 -21.2 | 267 30 30.4 1.5 41 91 17069 295 35 31.7 -14.8 | 256 33 31.8 8.0 42 82 17678 320 30 19.3 -23.0 | 271 19 19.3 -0.2 43 78 17983 305 29 23.8 -16.6 | 256 25 23.8 6.1 44 74 18288 315 31 21.9 -21.9 | 268 22 22.0 0.8 45 70 18630 310 29 22.2 -18.6 | 260 23 22.3 4.1 46 67 18898 305 27 22.1 -15.5 | 252 23 22.2 7.3 47 64 19202 335 30 12.7 -27.2 | 289 13 12.7 -4.4 48 60 19507 330 19 9.5 -16.5 | 237 11 9.6 6.3 49 57 19812 290 18 16.9 -6.2 | 226 24 17.0 16.6 50 55 20117 340 19 6.5 -17.9 | 233 8 6.6 4.9 51 52 20422 325 21 12.0 -17.2 | 245 13 12.1 5.6 52 50 20650 300 10 8.7 -5.0 | 206 20 8.7 17.8 53 49 20726 335 20 8.5 -18.1 | 241 10 8.5 4.6 54 47 21031 300 11 9.5 -5.5 | 209 20 9.6 17.3 55 45 21336 350 15 2.6 -14.8 | 198 8 2.7 8.0 56 43 21641 90 10 -10.0 0.0 | 156 25 -9.9 22.8 57 41 21946 125 10 -8.2 5.7 | 164 30 -8.1 28.5 58 39 22250 315 20 14.1 -14.1 | 239 17 14.2 8.6 59 37 22555 335 23 9.7 -20.8 | 259 10 9.8 1.9 60 35 22860 330 23 11.5 -19.9 | 256 12 11.6 2.8 61 33 23165 345 27 7.0 -26.1 | 295 8 7.0 -3.3 62 30 23774 85 18 -17.9 -1.6 | 140 28 -17.9 21.2 63 30 23800 215 11 6.3 9.0 | 191 32 6.4 31.8 64 29 24079 155 12 -5.1 10.9 | 172 34 -5.0 33.6 65 27 24384 295 15 13.6 -6.3 | 220 21 13.7 16.4 66 26 24689 300 22 19.1 -11.0 | 238 22 19.1 11.8 67 25 24994 345 19 4.9 -18.4 | 228 7 5.0 4.4 68 23 25603 20 16 -5.5 -15.0 | 145 9 -5.4 7.7 69 22 25908 80 10 -9.8 -1.7 | 155 23 -9.8 21.0 70 20 26410 265 9 9.0 0.8 | 201 25 9.0 23.6 71 20 26518 175 1 -0.1 1.0 | 180 24 -0.0 23.8 72 18 27127 280 10 9.8 -1.7 | 205 23 9.9 21.0 73 17 27432 305 13 10.6 -7.5 | 215 19 10.7 15.3 74 16 27737 270 13 13.0 -0.0 | 210 26 13.1 22.8 75 16 28042 300 21 18.2 -10.5 | 236 22 18.2 12.3 76 15 28346 280 7 6.9 -1.2 | 198 23 7.0 21.6 77 14 28956 305 23 18.8 -13.2 | 243 21 18.9 9.6 78 13 29261 315 16 11.3 -11.3 | 225 16 11.4 11.5 79 12 29870 325 18 10.3 -14.7 | 232 13 10.4 8.0 80 11 30175 335 10 4.2 -9.1 | 197 14 4.3 13.7 81 10 30940 235 10 8.2 5.7 | 196 30 8.3 28.5 Wind Parameters Mean winds (0-6000m): 330.1 at 30.4 knts Storm direction: 0.1 at 22.8 knts Shear (0-3000m) pos: 5.1 neg: 4.4 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 124.5 deg Storm rel helicity (0-3000m) pos: 113.3 neg: -14.7 tot: 98.6 m^2/s^2 ave: 32.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 14.3 stream: 8.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.12 Bulk Shear: 17.79 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 ------------------------------------------------------------------------------- 500 344 21 242 6| 22.8 0.0 22.8| 54.2 0.0 54.2 108.4 0.70| 30.0 21.1 1000 2 22 141 1| 10.4 0.0 10.4| 72.7 0.0 72.7 72.7 0.72| 23.1 16.6 1500 6 21 133 3| 6.9 3.5 10.4| 86.6 0.0 86.6 57.7 0.73| 19.2 14.0 2000 360 21 184 2| 5.2 4.4 9.6| 96.5 0.0 96.5 48.2 0.74| 16.4 12.2 2500 357 22 254 1| 6.1 3.5 9.6|113.3 -1.4 111.9 44.8 0.75| 15.3 11.4 3000 355 24 302 3| 5.1 4.4 9.5|113.3 -14.7 98.6 32.9 0.62| 14.3 8.9 4000 346 28 302 8| 3.8 5.0 8.8|126.4 -98.3 28.1 7.0 0.38| 13.3 5.1 5000 336 30 290 13| 3.0 4.4 7.4|126.4-160.8 -34.4 -6.9 0.28| 11.7 3.2 6000 330 30 283 16| 2.8 3.4 6.2|132.7-186.5 -53.7 -9.0 0.24| 10.4 2.5 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251015.12.gif