UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062912.upa.cvt Date: 1200Z 29 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 29 JUN 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 1006 98 23.8 21.7 88 2.1 22.3 310 3 296.4 299.4 295.3 343.9 16.46 1 1002 129 23.0 20.5 86 2.5 21.3 327 4 296.0 298.7 294.3 340.1 15.32 2 1000 145 23.4 20.2 82 3.2 21.2 335 4 296.5 299.3 294.3 340.0 15.07 3 992 215 24.8 18.8 69 6.0 20.6 322 6 298.6 301.2 294.1 339.1 13.90 4 983 296 25.2 19.2 69 6.0 21.0 307 8 299.8 302.4 294.8 341.9 14.39 5 962 485 24.0 18.0 69 6.0 19.9 317 12 300.5 303.0 294.4 340.4 13.62 6 925 829 23.6 15.6 61 8.0 18.2 330 10 303.4 305.7 294.2 339.5 12.14 7 924 838 23.6 15.6 61 8.0 18.2 331 10 303.5 305.8 294.2 339.6 12.15 8 903 1039 22.0 17.0 73 5.0 18.5 327 10 303.9 306.4 295.4 344.4 13.62 9 891 1156 21.2 14.2 64 7.0 16.5 319 10 304.2 306.4 294.0 338.5 11.50 10 888 1185 20.8 16.5 76 4.3 17.8 317 10 304.1 306.6 295.3 344.0 13.42 11 885 1214 21.0 14.0 64 7.0 16.4 315 10 304.6 306.7 294.0 338.7 11.43 12 869 1373 19.6 14.6 73 5.0 16.3 308 10 304.7 307.0 294.6 340.9 12.11 13 865 1412 19.0 16.5 85 2.5 17.3 306 11 304.5 307.1 295.7 345.6 13.78 14 860 1462 18.6 15.9 84 2.7 16.8 303 11 304.6 307.1 295.4 344.4 13.33 15 851 1553 18.4 13.4 73 5.0 15.1 300 12 305.3 307.4 294.2 339.5 11.43 16 850 1563 18.4 13.5 73 4.9 15.1 300 12 305.4 307.6 294.3 339.9 11.52 17 833 1736 16.8 14.1 84 2.7 15.0 287 11 305.5 307.8 294.8 342.1 12.24 18 822 1849 16.2 12.3 78 3.9 13.7 278 11 306.0 308.1 294.1 339.1 11.00 19 814 1933 15.6 14.2 91 1.4 14.7 270 11 306.3 308.6 295.3 344.1 12.61 20 787 2219 14.0 9.0 72 5.0 10.9 254 13 307.5 309.2 293.2 335.4 9.20 21 751 2613 11.4 7.3 76 4.1 8.9 254 14 308.8 310.4 293.0 335.0 8.58 22 746 2669 10.8 8.3 85 2.5 9.3 250 14 308.8 310.5 293.6 337.0 9.25 23 740 2736 10.6 7.6 82 3.0 8.8 246 14 309.3 310.9 293.4 336.4 8.89 24 737 2770 10.6 5.9 73 4.7 7.8 245 14 309.6 311.1 292.8 333.9 7.93 25 735 2793 10.2 7.2 82 3.0 8.4 246 14 309.4 311.1 293.3 336.0 8.70 26 728 2873 9.6 7.5 87 2.1 8.3 248 13 309.6 311.3 293.6 337.1 8.97 27 719 2976 9.2 5.8 79 3.4 7.2 250 13 310.3 311.8 293.1 335.1 8.07 28 708 3104 8.2 5.8 85 2.4 6.8 253 12 310.6 312.1 293.3 335.8 8.20 29 702 3174 8.0 5.0 81 3.0 6.2 254 12 311.1 312.6 293.1 335.2 7.82 30 700 3198 8.0 4.9 81 3.1 6.2 255 12 311.3 312.8 293.2 335.4 7.78 31 694 3269 7.8 4.1 77 3.7 5.6 257 12 311.9 313.3 293.0 334.9 7.42 32 686 3365 7.0 3.9 81 3.1 5.2 260 13 312.0 313.4 293.0 335.0 7.40 33 667 3596 6.2 2.0 74 4.2 3.8 268 14 313.7 314.9 292.9 334.5 6.64 34 634 4009 2.6 0.1 84 2.5 1.3 267 16 314.1 315.3 292.6 333.3 6.09 35 630 4061 2.6 0.4 85 2.2 1.4 267 16 314.7 315.9 292.9 334.4 6.27 36 628 4086 2.8 -0.8 77 3.6 0.9 267 16 315.2 316.3 292.6 333.4 5.76 37 607 4361 0.8 -1.0 88 1.8 -0.2 269 17 316.0 317.1 293.0 334.6 5.87 38 606 4374 0.6 -1.2 88 1.8 -0.3 269 17 315.9 317.0 292.9 334.3 5.79 39 581 4712 -0.5 -2.7 85 2.2 -1.6 276 17 318.5 319.5 293.3 335.8 5.40 40 573 4823 -1.3 -5.1 75 3.8 -3.1 272 16 318.8 319.7 292.7 333.6 4.57 41 563 4964 -2.3 -3.8 89 1.5 -3.0 275 16 319.2 320.2 293.3 335.8 5.14 42 559 5020 -2.1 -4.9 81 2.8 -3.5 278 16 320.1 321.0 293.2 335.5 4.76 43 548 5178 -2.5 -8.5 63 6.0 -5.2 289 15 321.5 322.2 292.7 333.5 3.67 44 545 5222 -2.9 -7.9 68 5.0 -5.2 288 15 321.5 322.2 292.9 334.2 3.87 45 544 5237 -3.1 -6.3 79 3.2 -4.6 287 15 321.4 322.3 293.3 335.8 4.39 46 500 5900 -7.5 -9.7 84 2.2 -8.5 245 13 323.9 324.6 293.3 336.1 3.66 47 491 6042 -8.5 -10.1 88 1.6 -9.2 249 17 324.4 325.1 293.4 336.4 3.62 48 481 6202 -8.9 -12.6 75 3.7 -10.4 252 18 325.8 326.4 293.3 336.0 3.02 49 478 6250 -9.3 -11.3 85 2.0 -10.1 254 17 325.9 326.5 293.6 337.2 3.37 50 471 6365 -9.7 -14.1 70 4.4 -11.4 256 17 326.7 327.3 293.3 336.0 2.73 51 462 6514 -10.9 -13.1 84 2.2 -11.8 260 16 327.1 327.7 293.6 337.3 3.02 52 461 6531 -10.9 -14.0 78 3.1 -12.1 260 16 327.3 327.8 293.5 336.8 2.81 53 452 6682 -11.9 -14.5 81 2.6 -12.9 264 15 327.9 328.4 293.6 337.3 2.75 54 400 7610 -18.1 -22.5 68 4.4 -19.4 260 14 331.5 331.8 293.6 337.0 1.57 55 300 9700 -32.1 -43.1 33 11.0 -33.3 235 21 340.1 340.2 294.6 341.3 0.28 56 250 10950 -42.3 -59.3 14 17.0 -43.0 240 28 343.2 343.2 295.1 343.4 0.05 57 200 12420 -54.7 -62.7 37 8.0 -54.9 280 26 346.1 346.2 295.8 346.3 0.04 58 150 14210 -65.7 -77.7 17 12.0 -65.8 230 35 356.9 356.9 298.1 356.9 0.01 59 139 14671 -68.5 -76.5 31 8.0 -68.5 245 29 359.8 359.8 298.7 359.9 0.01 60 100 16660 -65.9 -85.9 5 20.0 -66.0 310 7 400.4 400.4 305.3 400.4 0.00 61 91 17229 -67.9 -86.9 5 19.0 -68.0 318 12 407.4 407.4 306.2 407.4 0.00 62 89 17363 -66.7 -87.7 4 21.0 -66.8 325 18 412.4 412.4 306.8 412.4 0.00 63 86 17570 -68.3 -88.3 4 20.0 -68.4 343 17 413.2 413.2 306.9 413.2 0.00 64 78 18158 -65.9 -88.9 3 23.0 -66.1 320 13 429.9 429.9 308.8 429.9 0.00 65 76 18316 -66.1 -89.1 3 23.0 -66.2 288 12 432.7 432.7 309.1 432.7 0.00 66 72 18646 -62.5 -88.5 2 26.0 -62.8 5 11 447.1 447.1 310.6 447.1 0.00 67 70 18820 -62.7 -88.7 2 26.0 -63.0 45 10 450.2 450.2 310.9 450.3 0.00 68 69 18909 -62.9 -88.9 2 26.0 -63.2 31 10 451.7 451.7 311.0 451.7 0.00 69 67 19091 -61.1 -88.1 2 27.0 -61.5 40 10 459.4 459.4 311.7 459.4 0.00 70 63 19473 -62.3 -88.3 2 26.0 -62.6 48 11 464.9 464.9 312.2 464.9 0.00 71 57 20097 -58.9 -87.9 1 29.0 -59.5 55 13 486.1 486.1 314.0 486.1 0.00 72 54 20436 -59.7 -87.7 1 28.0 -60.3 92 11 491.8 491.8 314.4 491.9 0.00 73 50 20920 -57.9 -87.9 1 30.0 -58.6 65 13 507.0 507.0 315.4 507.1 0.00 74 42 22023 -55.9 -86.9 1 31.0 -57.0 83 11 537.9 537.9 317.4 537.9 0.00 75 41 22176 -56.3 -87.3 1 31.0 -57.3 70 14 540.6 540.6 317.6 540.7 0.00 76 36 23009 -52.3 -85.3 1 33.0 -54.1 77 15 571.5 571.5 319.2 571.5 0.01 77 34 23377 -53.1 -86.1 1 33.0 -54.8 101 15 578.8 578.8 319.6 578.8 0.01 78 30 24190 -49.5 -84.5 1 35.0 -52.2 65 16 609.7 609.7 321.0 609.8 0.01 79 29 24413 -48.7 -84.7 1 36.0 -51.7 94 14 617.8 617.8 321.4 617.9 0.01 80 25 25386 -50.5 -85.5 1 35.0 -53.4 98 9 639.5 639.5 322.3 639.5 0.01 81 24 25653 -50.1 -85.1 1 35.0 -53.1 76 16 648.1 648.1 322.6 648.2 0.01 82 22 26227 -45.9 -83.9 1 38.0 -50.4 82 15 677.0 677.0 323.7 677.1 0.02 83 20 26860 -47.3 -84.3 1 37.0 -51.7 105 22 691.4 691.4 324.1 691.5 0.02 84 19 27200 -47.7 -84.7 1 37.0 -52.1 101 23 700.4 700.4 324.4 700.5 0.02 85 15 28771 -45.9 -83.9 1 38.0 -51.7 100 27 755.3 755.3 326.1 755.5 0.02 86 14 29232 -44.5 -83.5 1 39.0 -51.1 75 22 775.1 775.1 326.6 775.4 0.03 87 13 29732 -41.9 -82.9 0 41.0 -50.0 77 25 800.7 800.8 327.3 801.0 0.03 88 13 29732 -42.5 -82.5 0 40.0 -50.3 77 25 798.7 798.7 327.2 799.0 0.03 89 11 30869 -39.7 -80.7 0 41.0 -49.7 92 32 847.9 847.9 328.4 848.4 0.05 90 10 31520 -41.1 -82.1 0 41.0 -50.8 90 33 866.1 866.2 328.7 866.6 0.05 91 8.2 32871 -40.3 -81.3 0 41.0 -51.4 919.9 919.9 329.8 920.6 0.07 TRP 139 14671 -68.5 -76.5 31 8.0 -68.5 245 29 359.8 359.8 298.7 359.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 592.36 mb = 4558.75 m = 14956.35 ft Wetbulb zero: 610.11 mb = 4319.85 m = 14172.56 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 77.84 % Est. max temperature: 32.30 C = 90.13 F Sfc-Lift cond lev (LCL): 975.98 mb = 358.63 m = 1176.60 ft T: 24.80 C 700-500 lapse rate: 5.74 C/km ThetaE index: 6.06 C Layer 860.0- 850.0 mb Conv cond level (CCL): 804.30 mb = 2034.38 m = 6674.39 ft Mean mixing ratio: 13.48 g/kg Conv temperature: 34.08 C = 93.34 F Cap Strength: 3.56 C Lifted Index: -1.02 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.57 C Lifted Index @700 mb: 0.13 C Showalter Index: -0.66 C Risk: Thunderstorms probable Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.00 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 199.00 Risk: None Energy Index: -0.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 142.23 J/kg Max Up Vert Vel: 16.87 m/s Conv Inhibition (B-): 152.29 J/kg Cap Strength: 3.56 C Lift Cond Lev (LCL): 872.16 mb = 1341.04 m = 4399.69 ft Lev Free Conv (LFC): 657.16 mb = 3716.70 m = 12193.74 ft Equ Level (EL): 357.16 mb = 8432.89 m = 27666.63 ft B at Equ Level: 142.18 J/kg Max Parcel Lev (MPL): 247.16 mb = 11025.15 m = 36171.31 ft Wind level data Storm motion: 304 at 10 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 1006 98 310 3 2.3 -1.9 | 122 7 -5.9 3.6 1 1000 145 335 4 1.7 -3.6 | 107 7 -6.5 1.9 2 982 305 305 8 6.6 -4.6 | 121 2 -1.6 1.0 3 948 610 325 14 8.0 -11.5 | 1 6 -0.1 -5.9 4 925 829 330 10 5.0 -8.7 | 46 4 -3.2 -3.1 5 916 914 335 10 4.2 -9.1 | 49 5 -3.9 -3.5 6 884 1219 315 10 7.1 -7.1 | 36 2 -1.1 -1.5 7 854 1524 300 11 9.5 -5.5 | 267 1 1.4 0.1 8 850 1563 300 12 10.4 -6.0 | 281 2 2.2 -0.4 9 824 1829 280 11 10.8 -1.9 | 216 5 2.7 3.7 10 794 2134 250 12 11.3 4.1 | 198 10 3.1 9.7 11 766 2438 265 14 13.9 1.2 | 220 9 5.8 6.8 12 739 2743 245 14 12.7 5.9 | 201 12 4.5 11.5 13 700 3198 255 12 11.6 3.1 | 202 9 3.4 8.7 14 661 3658 270 14 14.0 -0.0 | 226 8 5.8 5.6 15 613 4267 265 17 16.9 1.5 | 231 11 8.8 7.1 16 590 4572 280 17 16.7 -3.0 | 253 9 8.6 2.6 17 568 4877 270 16 16.0 -0.0 | 235 10 7.8 5.6 18 547 5182 290 15 14.1 -5.1 | 266 6 5.9 0.4 19 507 5791 245 13 11.8 5.5 | 198 12 3.6 11.1 20 500 5900 245 13 11.8 5.5 | 198 12 3.6 11.1 21 487 6096 250 18 16.9 6.2 | 217 15 8.7 11.7 22 450 6706 265 15 14.9 1.3 | 225 10 6.8 6.9 23 400 7610 260 14 13.8 2.4 | 215 10 5.6 8.0 24 399 7620 250 15 14.1 5.1 | 209 12 5.9 10.7 25 367 8230 230 18 13.8 11.6 | 198 18 5.6 17.1 26 338 8839 215 21 12.0 17.2 | 190 23 3.9 22.8 27 324 9144 225 20 14.1 14.1 | 197 21 6.0 19.7 28 300 9700 235 21 17.2 12.0 | 207 20 9.0 17.6 29 285 10058 240 23 19.9 11.5 | 215 21 11.7 17.1 30 250 10950 240 28 24.2 14.0 | 219 25 16.1 19.6 31 249 10973 235 27 22.1 15.5 | 214 25 13.9 21.1 32 200 12420 280 26 25.6 -4.5 | 267 17 17.4 1.1 33 198 12497 280 27 26.6 -4.7 | 267 18 18.4 0.9 34 179 13106 245 27 24.5 11.4 | 224 24 16.3 17.0 35 155 14021 245 28 25.4 11.8 | 225 24 17.2 17.4 36 150 14210 230 35 26.8 22.5 | 214 34 18.6 28.1 37 140 14630 230 36 27.6 23.1 | 214 35 19.4 28.7 38 139 14671 245 29 26.3 12.3 | 225 25 18.1 17.8 39 133 14935 245 32 29.0 13.5 | 227 28 20.8 19.1 40 126 15240 245 16 14.5 6.8 | 207 14 6.3 12.3 41 120 15545 250 15 14.1 5.1 | 209 12 5.9 10.7 42 109 16154 295 21 19.0 -8.9 | 287 11 10.9 -3.3 43 100 16660 310 7 5.4 -4.5 | 111 3 -2.8 1.1 44 98 16764 330 6 3.0 -5.2 | 94 5 -5.2 0.4 45 93 17069 310 6 4.6 -3.9 | 116 4 -3.6 1.7 46 89 17374 325 18 10.3 -14.7 | 347 9 2.2 -9.2 47 80 17983 20 14 -4.8 -13.2 | 60 15 -13.0 -7.6 48 76 18288 280 12 11.8 -2.1 | 226 5 3.6 3.5 49 70 18820 45 10 -7.1 -7.1 | 84 15 -15.2 -1.5 50 69 18898 30 10 -5.0 -8.7 | 77 14 -13.2 -3.1 51 66 19202 45 10 -7.1 -7.1 | 84 15 -15.2 -1.5 52 57 20117 55 13 -10.6 -7.5 | 84 19 -18.8 -1.9 53 52 20726 125 10 -8.2 5.7 | 125 20 -16.4 11.3 54 50 20920 65 13 -11.8 -5.5 | 90 20 -20.0 0.1 55 49 21031 55 12 -9.8 -6.9 | 86 18 -18.0 -1.3 56 47 21336 85 13 -13.0 -1.1 | 102 22 -21.1 4.4 57 45 21641 85 10 -10.0 -0.9 | 105 19 -18.1 4.7 58 43 21946 90 10 -10.0 0.0 | 107 19 -18.2 5.6 59 41 22250 65 15 -13.6 -6.3 | 88 22 -21.8 -0.8 60 39 22555 85 11 -11.0 -1.0 | 104 20 -19.1 4.6 61 35 23165 75 16 -15.5 -4.1 | 93 24 -23.6 1.4 62 34 23470 110 15 -14.1 5.1 | 116 25 -22.3 10.7 63 32 23774 115 17 -15.4 7.2 | 118 27 -23.6 12.8 64 31 24079 75 14 -13.5 -3.6 | 95 22 -21.7 2.0 65 30 24190 65 16 -14.5 -6.8 | 87 23 -22.7 -1.2 66 29 24384 95 13 -13.0 1.1 | 108 22 -21.1 6.7 67 28 24689 85 19 -18.9 -1.7 | 98 27 -27.1 3.9 68 25 25298 110 6 -5.6 2.1 | 119 16 -13.8 7.6 69 24 25603 70 15 -14.1 -5.1 | 91 22 -22.3 0.4 70 23 25908 100 18 -17.7 3.1 | 109 27 -25.9 8.7 71 22 26213 80 15 -14.8 -2.6 | 97 23 -22.9 3.0 72 21 26518 105 18 -17.4 4.7 | 112 28 -25.6 10.2 73 20 26822 70 24 -22.6 -8.2 | 85 31 -30.7 -2.6 74 20 26860 105 22 -21.3 5.7 | 111 32 -29.4 11.3 75 19 27127 100 23 -22.7 4.0 | 107 32 -30.8 9.6 76 18 27432 105 23 -22.2 6.0 | 111 33 -30.4 11.5 77 18 27737 110 24 -22.6 8.2 | 114 34 -30.7 13.8 78 17 28042 95 17 -16.9 1.5 | 106 26 -25.1 7.1 79 16 28346 115 29 -26.3 12.3 | 117 39 -34.5 17.8 80 15 28956 95 26 -25.9 2.3 | 103 35 -34.1 7.8 81 14 29261 75 22 -21.3 -5.7 | 90 29 -29.4 -0.1 82 13 29566 105 31 -29.9 8.0 | 110 40 -38.1 13.6 83 13 29870 60 21 -18.2 -10.5 | 79 27 -26.4 -4.9 84 12 30175 95 30 -29.9 2.6 | 102 39 -38.1 8.2 85 10 31520 90 33 -33.0 0.0 | 98 42 -41.2 5.6 Wind Parameters Mean winds (0-6000m): 274.3 at 13.2 knts Storm direction: 304.3 at 9.9 knts Shear (0-3000m) pos: 2.0 neg: 2.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 80.0 deg Storm rel helicity (0-3000m) pos: 13.2 neg: -20.3 tot: -7.1 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.24 Bulk Shear: 10.74 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 ------------------------------------------------------------------------------- 500 317 9 73 2| 11.2 0.0 11.2| 0.7 -4.5 -3.8 -7.6 -0.37| 13.5 -5.0 1000 324 10 46 3| 5.6 1.9 7.5| 5.9 -5.0 0.9 0.9 -0.07| 10.0 -0.7 1500 318 10 38 2| 3.7 2.1 5.9| 5.9 -5.8 0.0 0.0 -0.16| 8.5 -1.4 2000 307 10 350 1| 2.8 3.8 6.6| 5.9 -11.9 -6.1 -3.0 -0.26| 8.7 -2.3 2500 295 11 242 2| 2.4 3.1 5.5| 13.0 -15.3 -2.3 -0.9 -0.19| 8.0 -1.5 3000 285 11 228 4| 2.0 2.5 4.5| 13.2 -20.3 -7.1 -2.4 -0.21| 7.4 -1.5 4000 278 12 224 5| 2.0 2.0 4.0| 23.4 -20.4 2.9 0.7 -0.09| 6.4 -0.6 5000 277 13 229 6| 1.9 1.6 3.5| 38.8 -26.4 12.5 2.5 -0.01| 6.3 -0.1 6000 274 13 227 7| 1.6 2.2 3.8| 54.8 -47.0 7.8 1.3 -0.06| 6.7 -0.4 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250629.12.gif