UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061812.upa.cvt Date: 1200Z 18 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 18 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 1003 98 24.4 24.1 98 0.3 24.2 180 6 297.3 300.8 297.3 352.9 19.17 1 1000 115 24.0 24.0 100 0.0 24.0 190 7 297.1 300.6 297.2 352.5 19.11 2 993 177 23.4 23.4 100 0.0 23.4 188 9 297.1 300.5 296.8 350.9 18.55 3 983 266 22.8 22.8 100 0.0 22.8 186 11 297.4 300.7 296.5 349.7 18.06 4 925 796 20.4 20.4 100 0.0 20.4 220 10 300.2 303.2 296.3 348.6 16.53 5 923 815 20.2 20.0 99 0.2 20.1 223 10 300.2 303.1 296.1 347.4 16.15 6 920 843 21.6 18.7 84 2.9 19.6 228 10 301.9 304.6 295.7 345.8 14.91 7 919 853 21.8 18.7 83 3.1 19.6 230 10 302.2 304.9 295.8 346.2 14.93 8 917 872 21.8 18.5 82 3.3 19.5 233 9 302.4 305.1 295.7 346.0 14.77 9 890 1131 20.4 17.2 82 3.2 18.2 258 9 303.5 306.1 295.5 345.1 14.01 10 876 1269 19.8 14.8 73 5.0 16.4 261 10 304.3 306.5 294.4 340.5 12.17 11 873 1299 19.6 15.5 77 4.1 16.8 259 11 304.3 306.7 294.9 342.5 12.79 12 850 1529 18.4 13.6 74 4.8 15.2 240 15 305.4 307.6 294.4 340.2 11.60 13 843 1600 18.0 13.3 74 4.7 14.9 241 16 305.7 307.9 294.3 340.1 11.46 14 826 1775 17.6 10.6 64 7.0 13.1 244 18 307.1 308.9 293.4 336.6 9.76 15 810 1942 16.4 9.4 63 7.0 12.0 240 19 307.5 309.3 293.2 335.4 9.18 16 770 2371 12.6 10.6 88 2.0 11.3 234 22 307.9 309.9 294.3 339.7 10.49 17 756 2525 11.6 8.7 82 2.9 9.8 234 24 308.5 310.2 293.6 337.0 9.38 18 752 2569 11.2 9.7 90 1.5 10.3 233 24 308.5 310.4 294.1 339.2 10.10 19 736 2749 9.8 8.2 90 1.6 8.8 230 26 308.9 310.6 293.6 337.3 9.32 20 726 2863 9.4 5.8 78 3.6 7.3 230 26 309.6 311.2 292.9 334.2 7.99 21 713 3013 8.2 7.0 92 1.2 7.5 230 25 309.9 311.6 293.6 337.1 8.85 22 707 3083 7.8 4.7 81 3.1 6.0 230 26 310.2 311.7 292.7 333.6 7.60 23 700 3165 7.2 5.3 88 1.9 6.1 230 29 310.5 312.0 293.1 335.1 8.01 24 693 3248 6.6 6.0 96 0.6 6.2 232 29 310.7 312.3 293.5 336.8 8.50 25 689 3295 6.6 4.6 87 2.0 5.4 234 28 311.2 312.7 293.1 335.1 7.74 26 681 3391 6.0 3.8 86 2.2 4.7 237 28 311.6 313.0 292.9 334.5 7.40 27 670 3524 5.2 4.0 92 1.2 4.5 241 28 312.1 313.6 293.3 335.8 7.63 28 650 3771 3.6 2.5 93 1.1 3.0 246 27 313.0 314.4 293.1 335.1 7.07 29 646 3821 3.6 2.0 89 1.6 2.7 246 27 313.6 314.9 293.1 335.0 6.86 30 641 3884 4.2 1.4 82 2.8 2.7 247 27 315.0 316.2 293.3 335.8 6.62 31 638 3922 4.2 0.2 75 4.0 2.0 247 27 315.4 316.6 293.0 334.7 6.10 32 637 3935 4.0 0.8 80 3.2 2.2 247 27 315.3 316.5 293.2 335.4 6.38 33 629 4038 3.6 -0.2 76 3.8 1.5 248 26 316.0 317.1 293.0 335.0 6.01 34 625 4090 3.6 -2.4 65 6.0 0.5 248 26 316.6 317.6 292.5 333.0 5.13 35 624 4103 3.6 -0.0 77 3.6 1.7 249 26 316.7 317.9 293.4 336.2 6.14 36 622 4129 3.6 0.5 80 3.1 1.9 249 26 317.0 318.2 293.6 337.3 6.39 37 620 4155 3.6 0.2 78 3.4 1.7 249 26 317.3 318.5 293.6 337.3 6.28 38 539 5278 -2.9 -4.9 86 2.0 -3.9 243 29 322.5 323.5 294.0 338.6 4.94 39 536 5323 -2.9 -5.9 80 3.0 -4.4 243 30 323.0 323.9 293.9 338.1 4.60 40 514 5653 -5.5 -7.1 88 1.6 -6.2 241 32 323.8 324.6 293.9 338.2 4.37 41 507 5761 -5.3 -8.7 77 3.4 -6.8 241 32 325.3 326.1 293.9 338.3 3.91 42 502 5839 -5.9 -8.7 81 2.8 -7.2 240 33 325.5 326.3 294.0 338.6 3.95 43 500 5870 -6.1 -9.1 79 3.0 -7.4 240 33 325.6 326.4 293.9 338.4 3.84 44 490 6029 -6.9 -11.1 72 4.2 -8.7 240 32 326.5 327.2 293.8 337.8 3.35 45 468 6387 -9.7 -11.2 89 1.5 -10.4 245 28 327.3 328.0 294.1 339.1 3.48 46 442 6828 -12.3 -14.6 83 2.3 -13.2 241 35 329.5 330.0 294.1 339.0 2.79 47 437 6916 -12.3 -16.1 73 3.8 -13.7 241 37 330.5 331.0 294.1 339.2 2.49 48 430 7040 -13.1 -16.7 74 3.6 -14.4 240 39 331.0 331.5 294.1 339.4 2.41 49 427 7093 -13.1 -20.1 56 7.0 -15.4 239 40 331.7 332.1 293.9 338.1 1.81 50 423 7165 -13.7 -19.7 60 6.0 -15.7 239 41 331.8 332.2 294.0 338.5 1.90 51 418 7256 -14.1 -22.1 51 8.0 -16.5 238 42 332.5 332.8 293.8 338.0 1.56 52 417 7274 -14.3 -18.9 68 4.6 -15.9 238 43 332.4 332.8 294.2 339.7 2.06 53 411 7384 -14.9 -19.8 66 4.9 -16.5 237 44 333.0 333.4 294.3 339.9 1.94 54 400 7590 -16.5 -20.6 71 4.1 -17.8 235 48 333.5 333.9 294.3 340.1 1.86 55 392 7741 -17.7 -20.8 77 3.1 -18.7 236 44 333.9 334.3 294.4 340.5 1.86 56 300 9680 -32.1 -39.1 50 7.0 -33.0 255 32 340.1 340.2 294.7 341.8 0.43 57 250 10940 -42.7 -50.7 41 8.0 -43.2 265 41 342.6 342.6 295.1 343.2 0.15 58 200 12410 -55.1 -63.1 36 8.0 -55.3 270 38 345.5 345.5 295.7 345.7 0.04 59 150 14180 -69.5 -74.5 48 5.0 -69.5 260 40 350.4 350.4 296.7 350.4 0.01 60 143 14469 -70.9 -74.7 57 3.8 -70.9 255 39 352.7 352.7 297.3 352.8 0.01 61 100 16640 -67.1 -86.1 5 19.0 -67.2 240 11 398.1 398.1 304.9 398.1 0.00 62 98 16762 -67.5 -86.5 5 19.0 -67.6 240 11 399.6 399.6 305.2 399.6 0.00 63 72 18628 -64.5 -87.5 3 23.0 -64.7 16 9 442.8 442.8 310.1 442.8 0.00 64 70 18800 -64.7 -87.7 3 23.0 -64.9 140 2 446.0 446.0 310.5 446.0 0.00 65 68 18976 -65.7 -88.7 3 23.0 -65.9 115 2 447.5 447.5 310.6 447.5 0.00 66 59 19842 -62.9 -87.9 2 25.0 -63.3 3 2 472.4 472.4 312.8 472.4 0.00 67 57 20054 -63.5 -87.5 2 24.0 -63.8 21 11 475.7 475.7 313.1 475.7 0.00 68 50 20870 -56.3 -85.3 1 29.0 -57.2 120 15 510.8 510.8 315.7 510.8 0.01 69 49 20999 -55.1 -85.1 1 30.0 -56.1 124 17 516.6 516.6 316.1 516.6 0.01 70 45 21540 -56.5 -85.5 1 29.0 -57.5 139 12 525.9 525.9 316.6 526.0 0.01 71 38 22618 -54.3 -84.3 1 30.0 -55.7 51 4 557.6 557.6 318.5 557.7 0.01 72 37 22789 -54.7 -84.7 1 30.0 -56.1 35 2 560.8 560.9 318.7 560.9 0.01 73 35 23146 -52.1 -84.1 1 32.0 -53.9 1 0 576.6 576.6 319.5 576.7 0.01 74 30 24140 -53.9 -83.9 1 30.0 -55.6 110 11 597.7 597.7 320.5 597.8 0.01 75 29 24357 -54.3 -84.3 1 30.0 -56.1 96 14 602.4 602.4 320.7 602.5 0.01 76 21 26450 -48.7 -82.7 1 34.0 -52.4 81 11 677.6 677.6 323.7 677.7 0.02 77 20 26770 -48.7 -82.7 1 34.0 -52.6 85 12 687.1 687.1 324.0 687.3 0.02 78 15 28673 -46.3 -81.3 1 35.0 -51.9 104 23 754.0 754.0 326.1 754.3 0.04 79 13 29635 -41.3 -79.3 1 38.0 -49.7 68 26 802.8 802.9 327.3 803.4 0.06 80 12 30177 -42.5 -80.5 1 38.0 -50.7 76 25 817.2 817.2 327.7 817.6 0.05 81 11 30767 -41.1 -80.1 1 39.0 -50.3 94 24 842.8 842.9 328.2 843.4 0.06 82 10 31420 -37.7 -78.7 1 41.0 -49.3 115 22 878.8 878.9 329.0 879.7 0.08 83 9.3 31922 -36.9 -78.9 0 42.0 -49.3 111 24 900.3 900.3 329.4 901.2 0.09 84 8.4 32624 -38.7 -79.7 1 41.0 -50.5 105 28 919.8 919.9 329.8 920.7 0.08 85 7.0 33880 -37.3 -79.3 0 42.0 -51.0 95 34 974.9 974.9 330.8 976.1 0.11 86 6.3 34609 -36.7 -79.7 0 43.0 -51.3 1007.2 1007.3 331.3 1008.5 0.11 87 5.7 35306 -34.1 -77.1 0 43.0 -50.9 1047.9 1048.0 331.9 1050.2 0.19 TRP 143 14469 -70.9 -74.7 57 3.8 -70.9 255 39 352.7 352.7 297.3 352.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 575.14 mb = 4777.11 m = 15672.73 ft Wetbulb zero: 595.25 mb = 4481.84 m = 14704.03 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 83.75 % Est. max temperature: 32.39 C = 90.30 F Sfc-Lift cond lev (LCL): 999.10 mb = 122.95 m = 403.37 ft T: 23.92 C 700-500 lapse rate: 4.92 C/km ThetaE index: 7.09 C Layer 850.0- 770.0 mb Conv cond level (CCL): 944.03 mb = 618.35 m = 2028.69 ft Mean mixing ratio: 17.00 g/kg Conv temperature: 26.35 C = 79.42 F Cap Strength: 1.62 C Lifted Index: -2.78 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.15 C Lifted Index @700 mb: -3.07 C Showalter Index: 0.62 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 19.70 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 226.20 Risk: None Energy Index: -0.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1183.48 J/kg Max Up Vert Vel: 48.65 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 944.21 mb = 616.67 m = 2023.17 ft Lev Free Conv (LFC): 939.21 mb = 662.98 m = 2175.12 ft Equ Level (EL): 919.21 mb = 850.53 m = 2790.42 ft B at Equ Level: 20.37 J/kg Max Parcel Lev (MPL): 869.21 mb = 1336.06 m = 4383.36 ft Wind level data Storm motion: 269 at 17 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 1003 98 180 6 0.0 6.0 | 109 18 -16.9 5.7 1 1000 115 190 7 1.2 6.9 | 113 17 -15.7 6.6 2 979 305 185 12 1.0 12.0 | 126 20 -15.8 11.7 3 945 610 210 10 5.0 8.7 | 125 15 -11.9 8.4 4 925 796 220 10 6.4 7.7 | 125 13 -10.5 7.4 5 912 914 240 9 7.8 4.5 | 115 10 -9.1 4.2 6 881 1219 265 9 9.0 0.8 | 94 8 -7.9 0.5 7 850 1524 240 15 13.0 7.5 | 152 8 -3.9 7.2 8 850 1529 240 15 13.0 7.5 | 152 8 -3.9 7.2 9 820 1829 245 19 17.2 8.0 | 183 8 0.3 7.7 10 791 2134 230 19 14.6 12.2 | 169 12 -2.3 11.9 11 763 2438 235 23 18.8 13.2 | 189 13 2.0 12.9 12 736 2743 230 26 19.9 16.7 | 190 17 3.0 16.4 13 710 3048 230 25 19.2 16.1 | 188 16 2.3 15.8 14 700 3165 230 29 22.2 18.6 | 196 19 5.3 18.4 15 658 3658 245 27 24.5 11.4 | 214 13 7.6 11.1 16 610 4267 250 26 24.4 8.9 | 221 11 7.6 8.6 17 566 4877 245 27 24.5 11.4 | 214 13 7.6 11.1 18 500 5870 240 33 28.6 16.5 | 216 20 11.7 16.2 19 486 6096 240 32 27.7 16.0 | 215 19 10.8 15.7 20 467 6401 245 28 25.4 11.8 | 216 14 8.5 11.5 21 400 7590 235 48 39.3 27.5 | 219 35 22.4 27.2 22 398 7620 235 46 37.7 26.4 | 219 33 20.8 26.1 23 337 8839 245 30 27.2 12.7 | 220 16 10.3 12.4 24 323 9144 245 31 28.1 13.1 | 221 17 11.2 12.8 25 300 9680 255 32 30.9 8.3 | 240 16 14.0 8.0 26 260 10668 265 40 39.8 3.5 | 262 23 23.0 3.2 27 250 10940 265 41 40.8 3.6 | 262 24 24.0 3.3 28 200 12410 270 38 38.0 -0.0 | 271 21 21.1 -0.3 29 154 14021 260 42 41.4 7.3 | 254 25 24.5 7.0 30 150 14180 260 40 39.4 6.9 | 254 23 22.5 6.7 31 143 14469 255 39 37.7 10.1 | 245 23 20.8 9.8 32 139 14630 260 39 38.4 6.8 | 253 22 21.5 6.5 33 132 14935 290 23 21.6 -7.9 | 330 9 4.7 -8.2 34 126 15240 280 13 12.8 -2.3 | 58 5 -4.1 -2.5 35 120 15545 225 15 10.6 10.6 | 149 12 -6.3 10.3 36 108 16154 275 16 15.9 -1.4 | 29 2 -0.9 -1.7 37 103 16459 295 12 10.9 -5.1 | 48 8 -6.0 -5.4 38 100 16640 240 11 9.5 5.5 | 125 9 -7.4 5.2 39 98 16764 240 11 9.5 5.5 | 125 9 -7.4 5.2 40 93 17069 260 10 9.8 1.7 | 102 7 -7.0 1.4 41 89 17374 220 10 6.4 7.7 | 125 13 -10.5 7.4 42 84 17678 175 10 -0.9 10.0 | 119 20 -17.8 9.7 43 80 17983 195 15 3.9 14.5 | 138 19 -13.0 14.2 44 76 18288 260 8 7.9 1.4 | 97 9 -9.0 1.1 45 72 18593 350 10 1.7 -9.8 | 56 18 -15.1 -10.1 46 70 18800 140 2 -1.3 1.5 | 94 18 -18.2 1.2 47 59 19812 0 0 -0.0 -0.0 | 89 17 -16.9 -0.3 48 57 20117 25 13 -5.5 -11.8 | 62 25 -22.4 -12.1 49 51 20726 100 21 -20.7 3.6 | 95 38 -37.6 3.4 50 50 20870 120 15 -13.0 7.5 | 104 31 -29.9 7.2 51 49 21031 125 17 -13.9 9.8 | 107 32 -30.8 9.5 52 46 21336 125 16 -13.1 9.2 | 107 31 -30.0 8.9 53 44 21641 145 10 -5.7 8.2 | 109 24 -22.6 7.9 54 35 23165 0 0 -0.0 -0.0 | 89 17 -16.9 -0.3 55 33 23470 5 13 -1.1 -13.0 | 54 22 -18.0 -13.2 56 30 24079 80 13 -12.8 -2.3 | 85 30 -29.7 -2.5 57 30 24140 110 11 -10.3 3.8 | 97 27 -27.2 3.5 58 29 24384 95 14 -13.9 1.2 | 92 31 -30.8 0.9 59 28 24689 130 11 -8.4 7.1 | 105 26 -25.3 6.8 60 26 24994 120 10 -8.7 5.0 | 100 26 -25.5 4.7 61 25 25298 50 10 -7.7 -6.4 | 75 25 -24.5 -6.7 62 24 25603 65 12 -10.9 -5.1 | 79 28 -27.8 -5.4 63 23 25908 120 15 -13.0 7.5 | 104 31 -29.9 7.2 64 22 26213 65 10 -9.1 -4.2 | 80 26 -25.9 -4.5 65 21 26518 85 11 -11.0 -1.0 | 87 28 -27.8 -1.2 66 20 26770 85 12 -12.0 -1.0 | 87 29 -28.8 -1.3 67 20 26822 70 20 -18.8 -6.8 | 79 36 -35.7 -7.1 68 19 27127 85 17 -16.9 -1.5 | 87 34 -33.8 -1.8 69 18 27432 65 15 -13.6 -6.3 | 78 31 -30.5 -6.6 70 17 27737 95 22 -21.9 1.9 | 92 39 -38.8 1.6 71 16 28346 95 29 -28.9 2.5 | 93 46 -45.8 2.2 72 15 28651 105 23 -22.2 6.0 | 98 40 -39.1 5.7 73 14 29261 90 17 -17.0 0.0 | 90 34 -33.9 -0.3 74 13 29566 70 26 -24.4 -8.9 | 77 42 -41.3 -9.2 75 13 29870 65 26 -23.6 -11.0 | 74 42 -40.4 -11.3 76 10 31420 115 22 -19.9 9.3 | 104 38 -36.8 9.0 77 7 33880 95 34 -33.9 3.0 | 93 51 -50.8 2.7 Wind Parameters Mean winds (0-6000m): 239.0 at 22.5 knts Storm direction: 269.0 at 16.9 knts Shear (0-3000m) pos: 2.3 neg: 2.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 67.3 neg: -21.1 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.5 10^-3/s Energy-Hel index: 0.36 Bulk Rich Number: 30.33 Bulk Shear: 39.02 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 ------------------------------------------------------------------------------- 500 192 10 123 18| 5.8 0.0 5.8| 27.9 -1.8 26.2 52.3 0.49| 11.3 5.5 1000 210 10 125 15| 4.9 0.0 4.9| 27.9 -12.1 15.8 15.8 0.08| 9.6 0.8 1500 225 11 127 12| 3.2 2.6 5.8| 42.2 -14.7 27.5 18.3 0.28| 9.8 2.8 2000 231 12 137 10| 2.4 2.9 5.3| 48.0 -18.9 29.1 14.6 0.26| 9.2 2.4 2500 232 14 147 10| 2.7 2.3 5.1| 62.5 -18.9 43.6 17.4 0.33| 8.6 2.8 3000 231 16 157 11| 2.3 2.3 4.6| 67.3 -21.1 46.2 15.4 0.31| 7.8 2.5 4000 235 19 174 11| 2.4 1.8 4.2| 99.0 -21.1 77.9 19.5 0.38| 7.3 2.8 5000 238 21 184 11| 2.0 1.7 3.7|100.7 -25.8 74.9 15.0 0.34| 6.3 2.2 6000 239 23 192 12| 1.6 1.8 3.4|101.6 -28.0 73.6 12.3 0.31| 5.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250618.12.gif