UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070700.upa.cvt Date: 0000Z 7 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 7 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 1005 98 28.2 22.2 70 6.0 23.9 160 9 300.9 304.0 296.8 350.9 17.00 1 1000 127 27.6 21.6 70 6.0 23.3 160 9 300.8 303.8 296.4 349.1 16.46 2 998 145 27.4 21.4 70 6.0 23.1 160 9 300.7 303.7 296.3 348.5 16.28 3 969 406 25.0 20.2 75 4.8 21.6 155 12 300.8 303.7 295.8 346.5 15.56 4 925 815 22.2 17.5 75 4.7 18.9 165 10 302.0 304.5 294.9 342.5 13.73 5 911 948 21.2 16.6 75 4.6 18.1 159 10 302.3 304.7 294.6 341.2 13.16 6 885 1199 19.2 16.8 86 2.4 17.5 155 8 302.7 305.3 295.1 343.4 13.73 7 862 1426 18.2 14.7 80 3.5 15.8 138 9 304.0 306.3 294.4 340.6 12.29 8 850 1546 17.4 14.2 81 3.2 15.3 155 10 304.4 306.6 294.4 340.3 12.07 9 807 1989 14.8 11.6 81 3.2 12.7 165 7 306.2 308.2 293.9 338.3 10.70 10 801 2052 14.4 12.9 91 1.5 13.4 169 7 306.4 308.6 294.7 341.8 11.76 11 798 2084 14.2 12.8 91 1.4 13.3 171 7 306.5 308.7 294.7 341.8 11.72 12 793 2137 14.0 10.6 80 3.4 11.9 175 7 306.8 308.7 293.7 337.6 10.18 13 789 2180 13.6 12.7 94 0.9 13.0 175 7 306.9 309.1 294.9 342.4 11.78 14 782 2255 13.4 10.1 80 3.3 11.3 175 8 307.4 309.3 293.7 337.6 9.98 15 774 2342 12.8 9.1 78 3.7 10.5 175 8 307.7 309.5 293.4 336.2 9.42 16 764 2451 12.2 9.0 81 3.2 10.2 175 9 308.2 310.0 293.6 337.0 9.48 17 762 2473 12.2 8.8 80 3.4 10.1 175 10 308.4 310.2 293.6 336.9 9.37 18 757 2529 12.0 10.7 92 1.3 11.2 174 11 308.8 310.8 294.7 341.4 10.74 19 748 2629 11.6 8.3 80 3.3 9.6 172 13 309.4 311.1 293.7 337.6 9.23 20 737 2753 10.8 9.7 93 1.1 10.1 170 15 309.8 311.8 294.6 341.3 10.31 21 709 3077 9.8 7.3 84 2.5 8.3 157 13 312.2 313.9 294.4 340.3 9.09 22 700 3183 9.4 8.0 91 1.4 8.5 165 13 312.9 314.7 295.0 342.8 9.67 23 697 3219 9.2 8.0 92 1.2 8.5 168 12 313.1 314.9 295.1 343.1 9.71 24 683 3387 8.6 5.0 78 3.6 6.5 178 10 314.2 315.7 294.1 339.3 8.04 25 679 3436 8.2 6.8 91 1.4 7.3 175 9 314.3 316.0 295.0 342.9 9.17 26 669 3559 8.4 5.0 79 3.4 6.3 167 7 315.9 317.4 294.7 341.6 8.21 27 657 3708 7.6 3.2 74 4.4 5.1 158 5 316.6 318.0 294.3 339.8 7.35 28 649 3809 6.6 3.9 83 2.7 5.0 153 5 316.6 318.1 294.6 341.2 7.83 29 627 4092 5.0 2.7 85 2.3 3.7 139 6 317.9 319.3 294.7 341.5 7.44 30 605 4384 3.8 1.2 83 2.6 2.3 133 6 319.8 321.1 294.8 341.9 6.92 31 604 4397 4.0 1.2 82 2.8 2.4 134 6 320.1 321.5 294.9 342.4 6.93 32 555 5081 -0.9 -0.9 100 0.0 -0.9 180 12 322.2 323.5 295.1 343.1 6.47 33 532 5419 -2.9 -2.9 100 0.0 -2.9 168 16 323.7 324.9 295.0 342.7 5.82 34 517 5646 -3.5 -5.8 84 2.3 -4.6 167 19 325.6 326.6 294.7 341.6 4.80 35 516 5661 -3.3 -6.1 81 2.8 -4.7 167 19 326.1 327.0 294.7 341.7 4.70 36 500 5910 -4.9 -7.0 85 2.1 -5.9 165 23 327.1 328.0 294.8 342.2 4.53 37 488 6100 -6.7 -7.8 92 1.1 -7.2 170 23 327.1 328.0 294.7 341.7 4.36 38 472 6360 -7.7 -9.6 86 1.9 -8.5 170 23 329.0 329.8 294.8 342.3 3.91 39 464 6492 -8.5 -9.7 91 1.2 -9.1 170 22 329.6 330.4 295.0 343.0 3.95 40 461 6542 -8.5 -11.6 78 3.1 -9.8 170 22 330.3 330.9 294.8 341.9 3.42 41 458 6593 -8.9 -11.8 79 2.9 -10.1 170 22 330.4 331.1 294.8 341.9 3.38 42 453 6678 -9.3 -12.5 78 3.2 -10.6 170 22 330.9 331.6 294.8 342.0 3.23 43 452 6695 -9.1 -13.6 70 4.5 -10.9 170 22 331.4 332.0 294.7 341.6 2.96 44 450 6729 -9.1 -14.1 67 5.0 -11.1 170 22 331.8 332.4 294.7 341.7 2.86 45 446 6798 -9.3 -26.3 24 17.0 -14.2 168 22 332.4 332.6 293.3 336.0 1.00 46 445 6815 -9.3 -28.3 20 19.0 -14.5 168 22 332.6 332.8 293.2 335.7 0.83 47 443 6850 -9.3 -40.3 6 31.0 -15.4 167 21 333.0 333.1 292.8 334.0 0.26 48 438 6938 -10.1 -46.1 3 36.0 -16.3 165 21 333.1 333.1 292.7 333.7 0.14 49 407 7499 -14.1 -38.1 11 24.0 -18.8 153 19 335.0 335.1 293.4 336.4 0.35 50 400 7630 -15.1 -31.1 24 16.0 -18.8 160 17 335.4 335.5 293.9 338.0 0.71 51 399 7649 -15.3 -30.3 27 15.0 -18.9 161 17 335.3 335.5 293.9 338.2 0.77 52 395 7725 -16.1 -23.1 55 7.0 -18.1 164 17 335.3 335.6 294.5 340.7 1.51 53 394 7744 -16.3 -18.9 80 2.6 -17.1 165 17 335.2 335.7 295.0 343.0 2.18 54 393 7763 -16.3 -18.4 84 2.1 -17.0 165 17 335.5 336.0 295.2 343.6 2.28 55 390 7821 -16.7 -19.0 82 2.3 -17.4 168 16 335.7 336.2 295.1 343.5 2.18 56 300 9740 -29.7 -40.7 34 11.0 -31.2 230 18 343.5 343.6 295.5 345.0 0.36 57 250 11010 -40.3 -48.3 42 8.0 -40.9 240 20 346.2 346.2 296.0 346.9 0.19 58 200 12490 -52.5 -60.5 37 8.0 -52.7 265 26 349.6 349.6 296.6 349.9 0.06 59 150 14290 -64.1 -82.1 7 18.0 -64.2 225 16 359.7 359.7 298.7 359.7 0.00 60 138 14797 -66.3 -84.3 6 18.0 -66.4 165 10 364.5 364.5 299.5 364.5 0.00 61 100 16740 -67.7 -86.7 5 19.0 -67.8 130 10 396.9 396.9 304.8 396.9 0.00 62 85 17711 -70.9 -88.9 5 18.0 -71.0 7 10 409.3 409.3 306.4 409.3 0.00 63 80 18071 -69.5 -89.5 4 20.0 -69.6 70 14 419.4 419.4 307.6 419.4 0.00 64 78 18224 -65.3 -89.3 2 24.0 -65.5 96 16 431.1 431.1 309.0 431.1 0.00 65 76 18383 -63.1 -89.1 2 26.0 -63.4 112 15 438.9 438.9 309.8 439.0 0.00 66 70 18890 -61.9 -88.9 2 27.0 -62.2 125 9 452.0 452.0 311.0 452.0 0.00 67 67 19160 -63.3 -89.3 2 26.0 -63.6 93 6 454.6 454.6 311.3 454.6 0.00 68 65 19347 -61.5 -88.5 2 27.0 -61.9 102 8 462.5 462.5 312.0 462.5 0.00 69 61 19741 -61.5 -88.5 2 27.0 -61.9 92 13 471.0 471.0 312.7 471.0 0.00 70 60 19843 -61.9 -88.9 2 27.0 -62.3 85 14 472.3 472.3 312.8 472.3 0.00 71 59 19947 -59.5 -88.5 1 29.0 -60.0 77 16 480.0 480.0 313.4 480.0 0.00 72 52 20735 -60.7 -88.7 1 28.0 -61.2 80 12 494.9 494.9 314.6 494.9 0.00 73 50 20980 -59.5 -88.5 1 29.0 -60.1 75 26 503.3 503.3 315.2 503.3 0.00 74 40 22391 -54.7 -85.7 1 31.0 -56.0 87 29 548.5 548.5 318.0 548.5 0.01 75 36 23063 -55.9 -86.9 1 31.0 -57.1 107 24 562.2 562.2 318.8 562.2 0.01 76 34 23428 -54.3 -86.3 1 32.0 -55.8 111 18 575.6 575.6 319.5 575.7 0.01 77 30 24230 -54.5 -86.5 1 32.0 -56.2 100 16 596.1 596.1 320.5 596.1 0.01 78 29 24448 -54.3 -86.3 1 32.0 -56.1 66 17 602.4 602.4 320.7 602.5 0.01 79 24 25678 -50.1 -85.1 1 35.0 -53.1 79 20 648.1 648.1 322.6 648.2 0.01 80 23 25958 -47.3 -83.3 1 36.0 -51.2 74 23 664.3 664.3 323.2 664.4 0.02 81 21 26559 -49.5 -84.5 1 35.0 -53.0 69 28 675.2 675.2 323.6 675.3 0.01 82 20 26880 -48.9 -83.9 1 35.0 -52.7 95 21 686.5 686.5 324.0 686.6 0.02 83 16 28350 -47.9 -83.9 1 36.0 -52.7 104 28 735.0 735.0 325.5 735.2 0.02 84 14 29238 -44.5 -82.5 1 38.0 -51.1 100 28 775.1 775.2 326.6 775.4 0.03 85 12 30266 -46.3 -83.3 1 37.0 -52.7 70 32 803.7 803.7 327.3 804.0 0.03 86 12 30266 -45.1 -83.1 1 38.0 -52.0 70 32 807.9 808.0 327.4 808.3 0.03 87 10 31500 -39.3 -81.3 0 42.0 -50.0 75 53 872.8 872.9 328.9 873.4 0.05 88 10 31500 -39.9 -80.9 0 41.0 -50.3 75 53 870.6 870.6 328.8 871.2 0.06 89 8.7 32460 -36.5 -79.5 0 43.0 -49.5 83 47 919.2 919.2 329.8 920.1 0.08 90 8.3 32786 -37.1 -79.1 0 42.0 -50.0 85 45 929.3 929.3 330.0 930.3 0.09 91 7.8 33219 -33.7 -77.7 0 44.0 -49.0 89 43 959.6 959.6 330.5 961.0 0.12 92 7.0 33980 -32.9 -76.9 0 44.0 -49.3 95 38 993.0 993.1 331.1 994.9 0.16 93 6.6 34394 -32.5 -76.5 0 44.0 -49.6 1011.6 1011.7 331.4 1013.7 0.18 94 5.9 35179 -35.7 -78.7 0 43.0 -51.3 1030.6 1030.7 331.6 1032.3 0.14 95 5.5 35668 -35.1 -78.1 0 43.0 -51.5 1054.2 1054.3 332.0 1056.3 0.16 TRP 138 14797 -66.3 -84.3 6 18.0 -66.4 165 10 364.5 364.5 299.5 364.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 564.00 mb = 4955.44 m = 16257.80 ft Wetbulb zero: 568.46 mb = 4887.33 m = 16034.36 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 84.40 % Est. max temperature: 31.50 C = 88.70 F Sfc-Lift cond lev (LCL): 921.41 mb = 848.85 m = 2784.90 ft T: 21.95 C 700-500 lapse rate: 5.24 C/km ThetaE index: 9.72 C Layer 1000.0- 885.0 mb Conv cond level (CCL): 850.38 mb = 1542.21 m = 5059.69 ft Mean mixing ratio: 14.87 g/kg Conv temperature: 31.64 C = 88.96 F Cap Strength: 1.28 C Lifted Index: -0.17 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.33 C Lifted Index @700 mb: 0.18 C Showalter Index: 1.76 C Risk: Showers probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 19.10 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 213.40 Risk: None Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.60 J/kg Max Up Vert Vel: 9.65 m/s Conv Inhibition (B-): 34.29 J/kg Cap Strength: 1.28 C Lift Cond Lev (LCL): 887.76 mb = 1171.69 m = 3844.08 ft Lev Free Conv (LFC): 792.76 mb = 2139.54 m = 7019.40 ft Equ Level (EL): 702.76 mb = 3150.22 m = 10335.26 ft B at Equ Level: 12.46 J/kg Max Parcel Lev (MPL): 632.76 mb = 4017.35 m = 13180.13 ft Wind level data Storm motion: 193 at 8 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 1005 98 160 9 -3.1 8.5 | 98 5 -4.9 0.7 1 1000 127 160 9 -3.1 8.5 | 98 5 -4.9 0.7 2 980 305 160 12 -4.1 11.3 | 121 7 -5.9 3.5 3 947 610 145 12 -6.9 9.8 | 103 9 -8.7 2.1 4 925 815 165 10 -2.6 9.7 | 113 5 -4.4 1.9 5 914 914 160 10 -3.4 9.4 | 107 5 -5.2 1.6 6 883 1219 155 8 -3.4 7.3 | 84 5 -5.2 -0.5 7 852 1524 130 10 -7.7 6.4 | 82 10 -9.5 -1.4 8 850 1546 155 10 -4.2 9.1 | 102 6 -6.1 1.3 9 822 1829 155 6 -2.5 5.4 | 62 5 -4.4 -2.3 10 793 2134 175 7 -0.6 7.0 | 72 3 -2.4 -0.8 11 765 2438 175 9 -0.8 9.0 | 114 3 -2.6 1.2 12 737 2743 170 15 -2.6 14.8 | 148 8 -4.4 7.0 13 711 3048 155 13 -5.5 11.8 | 119 8 -7.3 4.0 14 700 3183 165 13 -3.4 12.6 | 133 7 -5.2 4.8 15 685 3353 180 10 0.0 10.0 | 141 3 -1.8 2.2 16 660 3658 160 5 -1.7 4.7 | 49 5 -3.5 -3.1 17 612 4267 130 7 -5.4 4.5 | 65 8 -7.2 -3.3 18 590 4572 140 3 -1.9 2.3 | 34 7 -3.8 -5.5 19 568 4877 195 11 2.8 10.6 | 200 3 1.0 2.8 20 547 5182 170 13 -2.3 12.8 | 141 6 -4.1 5.0 21 500 5910 165 23 -6.0 22.2 | 152 16 -7.8 14.4 22 488 6096 170 23 -4.0 22.7 | 159 16 -5.8 14.9 23 451 6706 170 22 -3.8 21.7 | 158 15 -5.6 13.9 24 401 7620 150 18 -9.0 15.6 | 126 13 -10.8 7.8 25 400 7630 160 17 -5.8 16.0 | 137 11 -7.6 8.2 26 369 8230 185 15 1.3 14.9 | 176 7 -0.5 7.2 27 339 8839 195 21 5.4 20.3 | 196 13 3.6 12.5 28 325 9144 190 16 2.8 15.8 | 187 8 1.0 8.0 29 312 9449 210 18 9.0 15.6 | 223 11 7.2 7.8 30 300 9740 230 18 13.8 11.6 | 252 13 12.0 3.8 31 263 10668 235 23 18.8 13.2 | 252 18 17.0 5.4 32 250 11010 240 20 17.3 10.0 | 262 16 15.5 2.2 33 229 11582 235 24 19.7 13.8 | 251 19 17.8 6.0 34 209 12192 240 21 18.2 10.5 | 261 17 16.4 2.7 35 200 12490 265 26 25.9 2.3 | 283 25 24.1 -5.5 36 181 13106 255 28 27.0 7.2 | 271 25 25.2 -0.5 37 164 13716 250 23 21.6 7.9 | 270 20 19.8 0.1 38 157 14021 290 15 14.1 -5.1 | 316 18 12.3 -12.9 39 150 14290 225 16 11.3 11.3 | 250 10 9.5 3.5 40 149 14326 240 17 14.7 8.5 | 267 13 12.9 0.7 41 138 14797 165 10 -2.6 9.7 | 113 5 -4.4 1.9 42 135 14935 180 12 0.0 12.0 | 157 5 -1.8 4.2 43 128 15240 115 14 -12.7 5.9 | 83 15 -14.5 -1.9 44 116 15850 150 14 -7.0 12.1 | 116 10 -8.8 4.3 45 110 16154 135 15 -10.6 10.6 | 103 13 -12.4 2.8 46 105 16459 140 14 -9.0 10.7 | 105 11 -10.8 2.9 47 100 16740 130 10 -7.7 6.4 | 82 10 -9.5 -1.4 48 100 16764 95 2 -2.0 0.2 | 27 9 -3.8 -7.6 49 95 17069 130 10 -7.7 6.4 | 82 10 -9.5 -1.4 50 90 17374 55 3 -2.5 -1.7 | 24 10 -4.3 -9.5 51 86 17678 360 10 -0.0 -10.0 | 6 18 -1.8 -17.8 52 77 18288 105 16 -15.5 4.1 | 78 18 -17.3 -3.6 53 74 18593 125 12 -9.8 6.9 | 86 12 -11.7 -0.9 54 70 18890 125 9 -7.4 5.2 | 74 10 -9.2 -2.6 55 70 18898 80 3 -3.0 -0.5 | 30 10 -4.8 -8.3 56 63 19507 110 10 -9.4 3.4 | 69 12 -11.2 -4.4 57 57 20117 65 18 -16.3 -7.6 | 50 24 -18.1 -15.4 58 55 20422 130 10 -7.7 6.4 | 82 10 -9.5 -1.4 59 52 20726 80 11 -10.8 -1.9 | 53 16 -12.7 -9.7 60 50 20980 75 26 -25.1 -6.7 | 62 31 -26.9 -14.5 61 50 21031 110 14 -13.2 4.8 | 79 15 -15.0 -3.0 62 47 21336 75 26 -25.1 -6.7 | 62 31 -26.9 -14.5 63 45 21641 70 25 -23.5 -8.6 | 57 30 -25.3 -16.3 64 41 22250 75 33 -31.9 -8.5 | 64 37 -33.7 -16.3 65 39 22555 100 25 -24.6 4.3 | 83 27 -26.4 -3.4 66 37 22860 90 30 -30.0 0.0 | 76 33 -31.8 -7.8 67 35 23165 115 22 -19.9 9.3 | 94 22 -21.8 1.5 68 34 23470 110 17 -16.0 5.8 | 84 18 -17.8 -2.0 69 32 23774 80 13 -12.8 -2.3 | 56 18 -14.6 -10.0 70 31 24079 115 21 -19.0 8.9 | 93 21 -20.9 1.1 71 30 24230 100 16 -15.8 2.8 | 74 18 -17.6 -5.0 72 29 24384 65 17 -15.4 -7.2 | 49 23 -17.2 -15.0 73 28 24689 70 18 -16.9 -6.2 | 53 23 -18.7 -13.9 74 24 25603 80 19 -18.7 -3.3 | 62 23 -20.5 -11.1 75 21 26518 65 29 -26.3 -12.3 | 55 35 -28.1 -20.0 76 20 26880 95 21 -20.9 1.8 | 75 24 -22.7 -5.9 77 18 27432 95 21 -20.9 1.8 | 75 24 -22.7 -5.9 78 18 27737 80 23 -22.7 -4.0 | 64 27 -24.5 -11.8 79 16 28346 105 28 -27.0 7.2 | 89 29 -28.9 -0.5 80 15 28651 90 27 -27.0 0.0 | 75 30 -28.8 -7.8 81 14 29261 100 28 -27.6 4.9 | 84 30 -29.4 -2.9 82 12 30175 70 30 -28.2 -10.3 | 59 35 -30.0 -18.0 83 10 31500 75 53 -51.2 -13.7 | 68 57 -53.0 -21.5 84 7 33980 95 38 -37.9 3.3 | 84 40 -39.7 -4.5 Wind Parameters Mean winds (0-6000m): 163.2 at 10.7 knts Storm direction: 193.2 at 8.0 knts Shear (0-3000m) pos: 1.2 neg: 1.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 25.6 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -20.0 tot: -6.7 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 145.98 Bulk Shear: 0.32 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 ------------------------------------------------------------------------------- 500 156 11 111 7| 0.0 4.1 4.1| 3.3 -4.6 -1.2 -2.5 0.00| 6.1 0.0 1000 156 11 108 6| 2.0 2.0 4.0| 5.3 -7.1 -1.7 -1.7 -0.06| 6.0 -0.4 1500 153 10 101 6| 1.3 1.6 2.9| 8.6 -8.9 -0.3 -0.2 -0.00| 6.9 -0.0 2000 155 9 96 6| 1.9 1.2 3.0| 9.0 -12.9 -3.9 -1.9 -0.10| 6.5 -0.7 2500 158 9 99 5| 1.5 1.8 3.2| 12.2 -12.9 -0.7 -0.3 0.04| 6.3 0.3 3000 160 10 107 6| 1.2 1.8 3.1| 13.3 -20.0 -6.7 -2.2 -0.04| 6.3 -0.2 4000 161 9 103 5| 1.7 1.6 3.3| 18.3 -24.4 -6.1 -1.5 -0.07| 6.4 -0.4 5000 161 9 99 5| 1.4 1.3 2.6| 24.8 -33.2 -8.3 -1.7 -0.01| 7.0 -0.1 6000 163 11 116 5| 1.2 1.6 2.7| 37.5 -34.8 2.7 0.5 0.02| 7.0 0.1 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250707.00.gif