UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070800.upa.cvt Date: 0000Z 8 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 8 JUL 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 32.0 23.0 59 9.0 25.3 235 6 304.9 308.2 298.4 358.4 17.91 1 1000 112 31.6 21.6 55 10.0 24.3 230 8 304.8 307.8 297.5 353.9 16.46 2 925 808 24.8 20.2 76 4.6 21.5 230 12 304.7 307.7 297.4 353.4 16.32 3 914 913 24.0 19.5 76 4.5 20.8 230 11 304.9 307.8 297.1 352.1 15.80 4 902 1029 23.2 18.2 73 5.0 19.7 243 11 305.2 308.0 296.5 349.3 14.74 5 899 1058 23.4 15.4 61 8.0 17.9 246 11 305.7 308.0 295.0 342.7 12.33 6 893 1117 23.2 16.2 65 7.0 18.4 253 10 306.1 308.5 295.6 345.4 13.08 7 850 1546 20.0 15.1 73 4.9 16.7 290 14 307.1 309.5 295.7 345.7 12.80 8 838 1668 18.8 15.2 80 3.6 16.4 294 16 307.1 309.5 295.8 346.5 13.08 9 829 1761 18.4 13.4 73 5.0 15.1 297 18 307.6 309.8 295.1 343.1 11.74 10 807 1991 16.4 13.7 84 2.7 14.6 300 20 307.9 310.2 295.5 345.1 12.31 11 799 2076 16.4 9.4 63 7.0 12.0 300 20 308.7 310.5 293.6 337.1 9.31 12 794 2129 16.0 8.0 59 8.0 11.1 300 20 308.9 310.5 293.0 334.8 8.51 13 775 2335 14.4 5.4 55 9.0 9.1 300 19 309.3 310.7 292.2 331.6 7.27 14 772 2367 14.2 4.2 51 10.0 8.5 300 19 309.4 310.7 291.7 330.1 6.71 15 764 2455 14.6 -6.4 23 21.0 4.6 301 19 310.8 311.4 288.9 320.6 3.10 16 759 2511 14.4 -4.6 26 19.0 5.0 303 18 311.1 311.8 289.5 322.5 3.58 17 749 2623 13.8 -11.2 16 25.0 2.9 309 17 311.7 312.1 288.3 318.7 2.17 18 741 2714 13.2 -7.8 22 21.0 3.5 313 16 312.0 312.5 289.1 321.2 2.87 19 737 2759 13.0 -11.0 18 24.0 2.5 315 16 312.2 312.7 288.6 319.5 2.24 20 735 2782 12.8 -8.2 22 21.0 3.1 314 16 312.3 312.8 289.1 321.3 2.80 21 723 2920 11.8 -4.2 32 16.0 3.8 309 17 312.6 313.4 290.3 325.0 3.87 22 706 3119 10.2 -4.8 34 15.0 2.8 302 19 313.0 313.7 290.3 325.1 3.79 23 704 3143 10.0 -6.0 32 16.0 2.4 302 19 313.0 313.7 290.0 324.1 3.47 24 700 3190 9.6 -6.4 32 16.0 2.0 300 19 313.1 313.8 289.9 323.9 3.38 25 699 3202 9.6 -6.4 32 16.0 2.0 300 19 313.2 313.9 290.0 324.1 3.39 26 696 3238 9.2 -1.8 46 11.0 3.5 300 19 313.2 314.1 291.3 328.4 4.82 27 688 3333 8.6 -2.4 46 11.0 2.9 299 19 313.6 314.4 291.2 328.3 4.66 28 684 3382 8.4 -4.6 39 13.0 2.0 298 19 313.9 314.6 290.7 326.5 3.97 29 675 3491 7.2 2.5 72 4.7 4.5 297 20 313.7 315.0 293.0 335.0 6.81 30 664 3626 6.2 -0.8 61 7.0 2.5 295 20 314.1 315.1 292.0 331.2 5.44 31 660 3676 5.8 -0.2 65 6.0 2.6 295 20 314.1 315.2 292.3 332.2 5.72 32 658 3701 5.8 -2.2 56 8.0 1.7 294 20 314.4 315.4 291.7 330.1 4.95 33 657 3713 6.0 -7.0 39 13.0 -0.0 293 20 314.8 315.4 290.5 325.9 3.44 34 652 3776 6.0 -11.0 28 17.0 -1.3 291 19 315.5 316.0 289.9 323.8 2.53 35 649 3814 6.4 -22.6 10 29.0 -3.3 289 19 316.3 316.5 288.6 319.6 0.96 36 637 3967 5.2 -10.8 30 16.0 -1.7 283 19 316.7 317.2 290.3 325.3 2.63 37 636 3980 5.0 -7.0 41 12.0 -0.6 282 18 316.6 317.3 291.2 328.1 3.56 38 634 4005 4.6 -0.4 70 5.0 1.9 281 18 316.4 317.5 293.1 335.1 5.87 39 631 4044 4.2 0.9 79 3.3 2.4 280 18 316.4 317.6 293.6 336.9 6.49 40 630 4057 4.2 2.4 88 1.8 3.2 279 18 316.5 317.9 294.1 339.4 7.24 41 617 4227 3.6 1.0 83 2.6 2.1 272 17 317.7 319.0 294.1 339.0 6.69 42 594 4534 1.4 0.4 93 1.0 0.8 278 15 318.7 319.9 294.3 339.9 6.65 43 592 4562 1.4 0.3 92 1.1 0.8 279 15 319.0 320.2 294.3 340.1 6.62 44 587 4630 1.8 -0.7 83 2.5 0.4 279 15 320.2 321.4 294.4 340.2 6.21 45 564 4952 -0.5 -1.7 92 1.2 -1.2 269 15 321.2 322.3 294.4 340.6 6.00 46 557 5051 -1.1 -3.1 86 2.0 -2.1 267 16 321.6 322.7 294.1 339.4 5.47 47 554 5095 -1.3 -3.8 83 2.5 -2.6 267 16 321.9 322.9 294.0 338.9 5.22 48 549 5167 -1.5 -7.5 64 6.0 -4.3 265 17 322.5 323.3 293.2 335.5 3.97 49 546 5211 -1.3 -21.3 20 20.0 -7.9 266 17 323.2 323.5 291.0 327.7 1.28 50 537 5343 -1.9 -40.9 3 39.0 -10.1 271 17 324.0 324.1 290.2 324.8 0.20 51 523 5553 -2.7 -31.7 9 29.0 -10.2 280 16 325.5 325.6 291.0 327.4 0.51 52 511 5738 -3.1 -40.1 4 37.0 -11.1 288 15 327.2 327.3 291.2 328.1 0.23 53 507 5800 -3.5 -26.5 15 23.0 -10.3 289 15 327.5 327.6 291.9 330.6 0.86 54 500 5910 -4.1 -41.1 4 37.0 -11.8 280 14 328.0 328.1 291.4 328.8 0.21 55 400 7630 -14.7 -30.7 24 16.0 -18.5 260 23 335.9 336.0 294.0 338.6 0.74 56 300 9740 -29.9 -51.9 10 22.0 -31.9 260 33 343.2 343.3 295.2 343.7 0.11 57 250 11010 -41.1 -59.1 13 18.0 -42.0 260 32 345.0 345.0 295.6 345.2 0.05 58 200 12490 -52.3 -57.3 55 5.0 -52.5 225 28 349.9 350.0 296.7 350.3 0.08 59 150 14290 -62.1 -80.1 7 18.0 -62.3 225 21 363.1 363.1 299.3 363.1 0.00 60 100 16740 -71.1 -86.1 9 15.0 -71.2 215 7 390.4 390.4 303.8 390.4 0.00 61 99 16799 -71.3 -86.3 9 15.0 -71.3 195 6 391.1 391.1 303.9 391.1 0.00 62 91 17304 -66.5 -87.5 4 21.0 -66.7 140 14 410.2 410.2 306.5 410.2 0.00 63 86 17647 -65.3 -87.3 3 22.0 -65.5 140 11 419.3 419.3 307.6 419.3 0.00 64 84 17790 -65.7 -87.7 3 22.0 -65.9 129 9 421.3 421.3 307.9 421.3 0.00 65 70 18900 -65.1 -89.1 2 24.0 -65.3 110 14 445.1 445.1 310.4 445.1 0.00 66 69 18988 -65.5 -89.5 2 24.0 -65.7 114 14 446.1 446.1 310.5 446.1 0.00 67 63 19546 -61.7 -88.7 2 27.0 -62.1 118 19 466.2 466.2 312.3 466.2 0.00 68 62 19644 -62.1 -88.1 2 26.0 -62.4 125 20 467.5 467.5 312.4 467.5 0.00 69 54 20507 -57.7 -87.7 1 30.0 -58.4 111 10 496.5 496.5 314.7 496.5 0.00 70 51 20866 -59.5 -88.5 1 29.0 -60.1 103 8 500.4 500.4 315.0 500.4 0.00 71 50 20990 -58.9 -87.9 1 29.0 -59.6 110 6 504.7 504.7 315.3 504.7 0.00 72 43 21945 -56.1 -87.1 1 31.0 -57.1 100 12 533.8 533.8 317.2 533.8 0.00 73 38 22732 -56.7 -87.7 1 31.0 -57.8 81 20 551.5 551.5 318.2 551.5 0.00 74 30 24240 -54.7 -86.7 1 32.0 -56.3 95 25 595.5 595.5 320.4 595.6 0.01 75 24 25682 -49.5 -84.5 1 35.0 -52.7 98 27 649.9 649.9 322.7 650.0 0.01 76 23 25962 -47.3 -83.3 1 36.0 -51.2 99 30 664.3 664.3 323.2 664.4 0.02 77 21 26560 -49.5 -84.5 1 35.0 -53.0 74 38 675.2 675.2 323.6 675.3 0.01 78 20 26880 -47.9 -83.9 1 36.0 -52.0 105 31 689.6 689.6 324.1 689.7 0.02 79 19 27220 -46.1 -83.1 1 37.0 -51.0 105 32 705.3 705.3 324.6 705.5 0.02 80 14 29265 -43.1 -82.1 1 39.0 -50.4 60 26 779.9 779.9 326.7 780.2 0.03 81 14 29265 -43.1 -82.1 1 39.0 -50.4 60 26 779.9 779.9 326.7 780.2 0.03 82 12 30301 -44.7 -82.7 1 38.0 -51.8 78 37 809.4 809.4 327.5 809.7 0.04 83 11 30885 -43.7 -82.7 1 39.0 -51.7 89 43 833.4 833.4 328.0 833.8 0.04 84 10 31530 -40.5 -81.5 0 41.0 -50.5 100 50 868.4 868.4 328.8 868.9 0.05 85 10 31530 -39.7 -80.7 0 41.0 -50.1 100 50 871.4 871.4 328.8 871.9 0.06 86 9.5 31881 -40.7 -81.7 0 41.0 -50.8 99 48 880.4 880.5 329.0 881.0 0.05 87 8.6 32566 -36.5 -79.5 0 43.0 -49.6 96 44 922.2 922.3 329.8 923.1 0.08 88 7.9 33157 -35.7 -78.7 0 43.0 -49.7 93 40 948.1 948.2 330.3 949.3 0.10 89 7.0 34000 -35.7 -78.7 0 43.0 -50.4 90 35 981.5 981.5 330.9 982.8 0.12 90 6.8 34201 -36.1 -79.1 0 43.0 -50.7 988.0 988.0 331.0 989.3 0.11 91 6.3 34734 -33.9 -76.9 1 43.0 -50.3 1019.2 1019.3 331.5 1021.3 0.17 92 6.1 34962 -30.1 -75.1 0 45.0 -49.2 1044.9 1045.1 331.9 1047.9 0.24 93 5.5 35703 -27.3 -73.3 0 46.0 -49.0 1088.7 1089.0 332.5 1093.3 0.34 94 5.3 35970 -28.5 -73.5 1 45.0 -49.6 1095.0 1095.2 332.6 1099.6 0.35 TRP 99 16799 -71.3 -86.3 9 15.0 -71.3 195 6 391.1 391.1 303.9 391.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 569.00 mb = 4881.65 m = 16015.73 ft Wetbulb zero: 657.02 mb = 3712.90 m = 12181.27 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 55.18 % Est. max temperature: 34.14 C = 93.45 F Sfc-Lift cond lev (LCL): 881.17 mb = 1232.72 m = 4044.30 ft T: 22.33 C 700-500 lapse rate: 5.04 C/km ThetaE index: 24.43 C Layer 799.0- 759.0 mb Conv cond level (CCL): 828.91 mb = 1761.93 m = 5780.54 ft Mean mixing ratio: 16.25 g/kg Conv temperature: 34.73 C = 94.51 F Cap Strength: 1.94 C Lifted Index: -2.30 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.32 C Lifted Index @700 mb: -1.90 C Showalter Index: 0.45 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.20 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 223.20 Risk: None Energy Index: -3.16 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1150.54 J/kg Max Up Vert Vel: 47.97 m/s Conv Inhibition (B-): 36.86 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 863.41 mb = 1409.84 m = 4625.41 ft Lev Free Conv (LFC): 808.41 mb = 1976.03 m = 6482.96 ft Equ Level (EL): 178.41 mb = 13204.83 m = 43322.41 ft B at Equ Level: 1128.78 J/kg Max Parcel Lev (MPL): 108.41 mb = 16252.21 m = 53320.23 ft Wind level data Storm motion: 312 at 12 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 98 235 6 4.9 3.4 | 162 12 -3.8 11.4 1 1000 112 230 8 6.1 5.1 | 169 13 -2.5 13.1 2 979 305 215 10 5.7 8.2 | 170 16 -2.9 16.1 3 946 610 230 11 8.4 7.1 | 179 15 -0.2 15.0 4 925 808 230 12 9.2 7.7 | 182 16 0.5 15.7 5 914 914 230 11 8.4 7.1 | 179 15 -0.2 15.0 6 882 1219 265 10 10.0 0.9 | 188 9 1.3 8.8 7 852 1524 285 11 10.6 -2.8 | 201 5 2.0 5.1 8 850 1546 290 14 13.2 -4.8 | 235 5 4.5 3.2 9 822 1829 300 19 16.5 -9.5 | 281 8 7.8 -1.6 10 793 2134 300 20 17.3 -10.0 | 283 9 8.6 -2.1 11 765 2438 300 19 16.5 -9.5 | 281 8 7.8 -1.6 12 738 2743 315 16 11.3 -11.3 | 322 4 2.6 -3.4 13 700 3190 300 19 16.5 -9.5 | 281 8 7.8 -1.6 14 661 3658 295 20 18.1 -8.5 | 273 9 9.5 -0.5 15 613 4267 270 17 17.0 -0.0 | 226 12 8.3 7.9 16 590 4572 280 15 14.8 -2.6 | 229 8 6.1 5.3 17 568 4877 270 14 14.0 -0.0 | 214 10 5.3 7.9 18 547 5182 265 17 16.9 1.5 | 221 13 8.3 9.4 19 507 5791 290 15 14.1 -5.1 | 243 6 5.4 2.8 20 500 5910 280 14 13.8 -2.4 | 223 8 5.1 5.5 21 488 6096 275 17 16.9 -1.5 | 232 10 8.3 6.5 22 451 6706 250 20 18.8 6.8 | 214 18 10.1 14.8 23 401 7620 255 25 24.1 6.5 | 227 21 15.5 14.4 24 400 7630 260 23 22.7 4.0 | 230 18 14.0 11.9 25 325 9144 255 30 29.0 7.8 | 232 26 20.3 15.7 26 300 9740 260 33 32.5 5.7 | 240 27 23.8 13.7 27 274 10363 260 35 34.5 6.1 | 241 29 25.8 14.0 28 263 10668 270 32 32.0 -0.0 | 251 25 23.3 7.9 29 250 11010 260 32 31.5 5.6 | 239 27 22.8 13.5 30 219 11887 235 31 25.4 17.8 | 213 31 16.7 25.7 31 200 12490 225 28 19.8 19.8 | 202 30 11.1 27.7 32 164 13716 235 28 22.9 16.1 | 211 28 14.3 24.0 33 157 14021 225 22 15.6 15.6 | 196 24 6.9 23.5 34 150 14290 225 21 14.8 14.8 | 195 24 6.2 22.8 35 149 14326 200 23 7.9 21.6 | 178 30 -0.8 29.6 36 142 14630 250 20 18.8 6.8 | 214 18 10.1 14.8 37 135 14935 265 23 22.9 2.0 | 235 17 14.2 9.9 38 128 15240 275 16 15.9 -1.4 | 228 10 7.3 6.5 39 122 15545 230 7 5.4 4.5 | 165 13 -3.3 12.4 40 116 15850 190 14 2.4 13.8 | 164 23 -6.2 21.7 41 110 16154 185 25 2.2 24.9 | 169 33 -6.5 32.8 42 105 16459 195 29 7.5 28.0 | 178 36 -1.2 36.0 43 100 16740 215 7 4.0 5.7 | 161 14 -4.7 13.7 44 100 16764 235 18 14.7 10.3 | 198 19 6.1 18.3 45 99 16799 195 6 1.6 5.8 | 153 15 -7.1 13.7 46 95 17069 140 12 -7.7 9.2 | 136 24 -16.4 17.1 47 90 17374 140 15 -9.6 11.5 | 137 27 -18.3 19.4 48 86 17678 140 11 -7.1 8.4 | 136 23 -15.7 16.4 49 77 18288 80 1 -1.0 -0.2 | 129 12 -9.7 7.8 50 70 18900 110 14 -13.2 4.8 | 120 25 -21.8 12.7 51 67 19202 125 15 -12.3 8.6 | 128 27 -21.0 16.5 52 63 19507 115 19 -17.2 8.0 | 122 30 -25.9 16.0 53 60 19812 135 21 -14.8 14.8 | 134 33 -23.5 22.8 54 58 20117 140 11 -7.1 8.4 | 136 23 -15.7 16.4 55 52 20726 95 10 -10.0 0.9 | 115 21 -18.6 8.8 56 50 20990 110 6 -5.6 2.1 | 125 17 -14.3 10.0 57 50 21031 125 10 -8.2 5.7 | 129 22 -16.9 13.7 58 47 21336 105 6 -5.8 1.6 | 123 17 -14.5 9.5 59 45 21641 70 21 -19.7 -7.2 | 92 28 -28.4 0.8 60 43 21946 100 12 -11.8 2.1 | 116 23 -20.5 10.0 61 41 22250 75 14 -13.5 -3.6 | 101 23 -22.2 4.3 62 39 22555 75 20 -19.3 -5.2 | 96 28 -28.0 2.8 63 36 23165 95 19 -18.9 1.7 | 109 29 -27.6 9.6 64 34 23470 75 21 -20.3 -5.4 | 95 29 -29.0 2.5 65 31 24079 80 28 -27.6 -4.9 | 95 36 -36.2 3.1 66 30 24240 95 25 -24.9 2.2 | 107 35 -33.6 10.1 67 29 24384 80 21 -20.7 -3.6 | 98 30 -29.4 4.3 68 28 24689 95 25 -24.9 2.2 | 107 35 -33.6 10.1 69 27 24994 75 18 -17.4 -4.7 | 97 26 -26.1 3.3 70 23 25908 105 30 -29.0 7.8 | 113 41 -37.6 15.7 71 22 26213 75 30 -29.0 -7.8 | 90 38 -37.6 0.2 72 21 26518 70 39 -36.6 -13.3 | 83 46 -45.3 -5.4 73 20 26880 105 31 -29.9 8.0 | 112 42 -38.6 16.0 74 19 27127 105 33 -31.9 8.5 | 112 44 -40.5 16.5 75 18 27432 105 29 -28.0 7.5 | 113 40 -36.7 15.4 76 18 27737 110 22 -20.7 7.5 | 118 33 -29.3 15.5 77 17 28042 80 21 -20.7 -3.6 | 98 30 -29.4 4.3 78 15 28651 95 31 -30.9 2.7 | 105 41 -39.6 10.6 79 15 28956 80 26 -25.6 -4.5 | 96 34 -34.3 3.4 80 14 29261 60 26 -22.5 -13.0 | 81 32 -31.2 -5.1 81 10 31530 100 50 -49.2 8.7 | 106 60 -57.9 16.6 82 7 34000 90 35 -35.0 0.0 | 100 44 -43.7 7.9 Wind Parameters Mean winds (0-6000m): 282.5 at 15.7 knts Storm direction: 312.5 at 11.8 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 125.5 deg Storm rel helicity (0-3000m) pos: 49.0 neg: -7.2 tot: 41.8 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 3.0 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 46.37 Bulk Shear: 24.81 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 ------------------------------------------------------------------------------- 500 223 10 172 15| 0.0 5.2 5.2| 16.8 -0.2 16.7 33.3 0.56| 7.9 4.4 1000 228 10 177 15| 2.1 2.6 4.7| 25.3 -2.6 22.7 22.7 0.45| 6.9 3.1 1500 244 11 184 13| 4.7 1.7 6.5| 35.6 -2.6 33.0 22.0 0.52| 8.2 4.3 2000 265 13 203 10| 5.0 1.3 6.2| 43.5 -2.6 40.9 20.4 0.57| 7.6 4.4 2500 276 14 219 8| 3.8 1.0 4.9| 47.0 -3.1 43.9 17.6 0.56| 6.9 3.8 3000 283 14 230 7| 3.2 1.1 4.3| 49.0 -7.2 41.8 13.9 0.45| 6.7 3.0 4000 287 16 242 7| 2.4 1.8 4.2| 49.0 -27.9 21.2 5.3 0.19| 6.2 1.2 5000 284 16 237 8| 1.9 1.8 3.7| 52.6 -38.9 13.8 2.8 0.11| 6.0 0.6 6000 282 16 236 8| 1.9 1.7 3.7| 64.4 -42.3 22.1 3.7 0.13| 6.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250708.00.gif