UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070300.upa.cvt Date: 0000Z 3 JUL 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 3 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 1001 98 30.2 20.2 55 10.0 23.0 0 0 303.3 306.0 296.1 347.9 15.05 1 1000 97 29.6 18.6 52 11.0 21.9 280 5 302.8 305.3 295.0 343.0 13.61 2 963 432 26.2 17.2 58 9.0 20.0 283 6 302.6 305.0 294.5 340.8 12.92 3 941 636 24.4 16.4 61 8.0 18.9 295 7 302.8 305.1 294.3 340.0 12.56 4 925 786 23.0 17.0 69 6.0 18.9 295 4 302.8 305.3 294.8 342.2 13.29 5 875 1268 18.4 15.5 83 2.9 16.4 15 7 302.9 305.3 294.5 340.7 12.76 6 871 1307 18.2 15.5 84 2.7 16.4 11 7 303.1 305.5 294.6 341.1 12.82 7 850 1516 16.6 13.6 82 3.0 14.6 350 7 303.5 305.7 293.8 338.0 11.60 8 843 1586 16.2 12.9 81 3.3 14.0 350 7 303.8 305.9 293.6 337.1 11.16 9 807 1956 12.6 12.0 96 0.6 12.2 346 8 303.8 305.9 293.4 336.5 10.99 10 789 2145 11.8 10.0 89 1.8 10.7 340 10 304.9 306.8 292.9 334.4 9.82 11 783 2209 11.4 9.2 86 2.2 10.0 339 10 305.2 306.9 292.6 333.3 9.37 12 777 2274 11.6 7.4 75 4.2 9.1 338 10 306.1 307.6 292.0 331.3 8.34 13 765 2404 10.4 6.9 79 3.5 8.3 336 9 306.1 307.7 291.9 330.9 8.19 14 754 2525 10.2 4.2 66 6.0 6.8 340 9 307.2 308.5 291.2 328.1 6.87 15 752 2547 9.8 5.1 73 4.7 7.1 342 9 307.0 308.4 291.5 329.3 7.34 16 746 2613 9.4 3.4 66 6.0 6.1 346 9 307.3 308.5 290.9 327.3 6.56 17 745 2624 8.6 4.6 76 4.0 6.3 347 9 306.5 307.8 291.2 328.2 7.16 18 743 2647 9.0 3.0 66 6.0 5.7 348 9 307.2 308.4 290.8 326.7 6.40 19 742 2658 8.8 1.8 61 7.0 5.0 349 9 307.1 308.2 290.3 325.1 5.88 20 741 2669 9.6 -1.4 46 11.0 4.0 350 9 308.1 308.9 289.5 322.5 4.66 21 740 2680 9.8 -2.2 43 12.0 3.8 351 9 308.4 309.2 289.4 322.1 4.40 22 729 2805 8.6 -0.4 53 9.0 3.9 349 9 308.4 309.4 290.0 324.2 5.10 23 723 2873 8.2 -4.8 39 13.0 2.0 342 8 308.7 309.4 288.8 320.3 3.70 24 720 2908 8.0 -5.0 39 13.0 1.8 339 8 308.8 309.5 288.8 320.3 3.66 25 712 3000 7.2 -5.8 39 13.0 1.2 329 7 309.0 309.6 288.7 319.9 3.48 26 709 3035 7.6 -9.4 29 17.0 0.3 326 7 309.8 310.3 288.2 318.2 2.64 27 700 3140 6.6 -8.4 33 15.0 0.0 315 6 309.8 310.3 288.4 319.0 2.90 28 699 3152 6.4 -8.6 33 15.0 -0.2 315 6 309.7 310.2 288.3 318.8 2.85 29 696 3187 6.6 -13.4 22 20.0 -1.3 316 6 310.3 310.7 287.6 316.6 1.95 30 688 3281 6.0 -13.0 24 19.0 -1.6 318 7 310.7 311.0 287.8 317.3 2.04 31 678 3401 5.4 -16.6 19 22.0 -2.7 320 7 311.3 311.6 287.5 316.4 1.54 32 665 3559 6.4 -29.6 5 36.0 -3.8 323 8 314.1 314.2 287.4 315.9 0.49 33 628 4024 3.0 -31.0 6 34.0 -6.1 321 10 315.4 315.5 287.8 317.1 0.46 34 619 4140 3.0 -33.0 5 36.0 -6.2 323 9 316.8 316.8 288.1 318.1 0.38 35 546 5141 -3.7 -41.7 3 38.0 -11.2 309 15 320.4 320.4 289.0 321.0 0.18 36 518 5555 -5.9 -35.9 7 30.0 -12.5 303 16 322.6 322.6 289.9 323.8 0.34 37 500 5830 -7.9 -31.9 13 24.0 -13.6 310 21 323.4 323.5 290.3 325.3 0.53 38 491 5971 -9.1 -31.1 15 22.0 -14.3 307 22 323.6 323.7 290.5 325.7 0.58 39 471 6292 -11.9 -35.9 12 24.0 -16.7 302 24 324.0 324.1 290.4 325.4 0.38 40 447 6693 -13.7 -45.7 5 32.0 -18.6 297 29 326.6 326.7 290.9 327.2 0.14 41 400 7530 -19.7 -51.7 4 32.0 -23.4 285 39 329.4 329.4 291.6 329.7 0.08 42 390 7717 -21.1 -56.1 3 35.0 -24.5 284 39 329.9 330.0 291.7 330.1 0.05 43 341 8693 -28.5 -54.5 6 26.0 -30.6 278 43 332.8 332.8 292.6 333.1 0.07 44 339 8735 -28.1 -57.1 4 29.0 -30.3 277 43 333.9 333.9 292.8 334.1 0.05 45 318 9191 -31.9 -58.9 5 27.0 -33.6 269 45 334.8 334.8 293.0 335.0 0.04 46 300 9600 -34.3 -59.3 6 25.0 -35.8 255 59 337.0 337.0 293.6 337.2 0.04 47 276 10176 -38.1 -60.1 8 22.0 -39.2 244 64 339.7 339.7 294.3 339.8 0.04 48 273 10251 -37.9 -61.9 6 24.0 -39.1 242 65 341.0 341.0 294.6 341.2 0.03 49 254 10743 -41.5 -62.5 8 21.0 -42.3 232 69 342.8 342.8 295.0 343.0 0.03 50 250 10850 -42.3 -60.3 12 18.0 -43.1 230 70 343.2 343.2 295.1 343.4 0.05 51 240 11126 -44.5 -58.5 20 14.0 -45.1 226 72 343.9 343.9 295.3 344.2 0.06 52 238 11182 -44.7 -62.7 12 18.0 -45.3 225 73 344.4 344.4 295.4 344.6 0.03 53 234 11295 -45.5 -62.5 13 17.0 -46.1 223 74 344.9 344.9 295.5 345.0 0.04 54 228 11469 -46.6 -63.6 13 17.0 -47.1 220 75 345.8 345.8 295.7 345.9 0.03 55 223 11616 -47.5 -64.5 12 17.0 -48.0 221 74 346.6 346.6 295.9 346.7 0.03 56 213 11919 -49.5 -67.5 10 18.0 -50.0 227 69 348.1 348.1 296.2 348.1 0.02 57 200 12330 -52.5 -72.5 7 20.0 -52.8 235 61 349.6 349.6 296.5 349.7 0.01 58 183 12898 -57.3 -77.3 6 20.0 -57.5 250 54 350.8 350.8 296.8 350.8 0.01 59 150 14150 -59.3 -83.3 3 24.0 -59.5 285 39 367.9 367.9 300.2 367.9 0.00 60 123 15376 -64.5 -86.5 3 22.0 -64.6 295 30 379.9 379.9 302.2 379.9 0.00 61 100 16640 -64.5 -88.5 2 24.0 -64.7 295 15 403.1 403.1 305.6 403.1 0.00 62 84 17711 -62.7 -88.7 2 26.0 -63.0 293 10 427.4 427.4 308.6 427.4 0.00 63 80 18011 -64.1 -89.1 2 25.0 -64.3 315 13 430.5 430.5 308.9 430.5 0.00 64 74 18490 -63.1 -89.1 2 26.0 -63.4 31 12 442.3 442.3 310.1 442.3 0.00 65 70 18830 -65.5 -89.5 2 24.0 -65.7 195 9 444.3 444.3 310.3 444.3 0.00 66 69 18917 -65.7 -89.7 2 24.0 -65.9 183 9 445.7 445.7 310.4 445.7 0.00 67 62 19572 -61.5 -89.5 1 28.0 -61.9 91 12 468.8 468.8 312.5 468.8 0.00 68 60 19775 -61.5 -89.5 1 28.0 -61.9 63 13 473.2 473.2 312.9 473.2 0.00 69 55 20317 -57.7 -88.7 1 31.0 -58.4 68 10 493.9 493.9 314.5 493.9 0.00 70 50 20920 -55.9 -87.9 1 32.0 -56.8 355 7 511.7 511.7 315.8 511.8 0.00 71 46 21454 -53.9 -86.9 1 33.0 -55.1 5 9 528.9 528.9 316.9 528.9 0.00 72 36 23028 -54.7 -87.7 1 33.0 -56.1 86 10 565.3 565.3 318.9 565.3 0.00 73 33 23587 -53.5 -86.5 1 33.0 -55.2 60 13 582.7 582.7 319.8 582.7 0.01 74 30 24200 -54.5 -87.5 1 33.0 -56.2 115 28 596.1 596.1 320.5 596.1 0.01 75 29 24416 -54.7 -87.7 1 33.0 -56.4 102 29 601.3 601.3 320.7 601.4 0.01 76 25 25375 -49.5 -85.5 1 36.0 -52.6 76 25 642.3 642.3 322.4 642.4 0.01 77 22 26212 -48.9 -84.9 1 36.0 -52.5 65 27 668.0 668.0 323.3 668.1 0.01 78 20 26840 -46.9 -84.9 1 38.0 -51.4 65 32 692.6 692.6 324.2 692.7 0.01 79 14 29231 -42.1 -83.1 0 41.0 -49.8 101 34 783.3 783.3 326.8 783.5 0.03 80 13 29733 -42.1 -83.1 0 41.0 -50.1 103 38 800.1 800.1 327.3 800.3 0.03 81 13 29733 -41.9 -82.9 0 41.0 -50.0 103 38 800.7 800.8 327.3 801.0 0.03 82 13 29733 -42.5 -82.5 0 40.0 -50.3 103 38 798.7 798.7 327.2 799.0 0.03 83 12 30276 -40.7 -81.7 0 41.0 -49.8 104 41 823.5 823.6 327.8 823.9 0.04 84 11 30873 -37.7 -79.7 0 42.0 -48.8 100 35 855.2 855.2 328.5 855.8 0.06 85 10 31530 -37.9 -79.9 0 42.0 -49.4 95 28 878.1 878.1 329.0 878.8 0.07 86 9.6 31811 -38.3 -80.3 0 42.0 -49.7 94 29 886.9 886.9 329.2 887.6 0.07 87 8.5 32652 -35.1 -78.1 0 43.0 -49.1 90 33 930.8 930.9 330.0 932.0 0.11 88 7.0 34000 -36.5 -79.5 0 43.0 -50.7 85 40 978.2 978.2 330.8 979.3 0.10 89 6.9 34100 -36.7 -78.7 0 42.0 -50.8 981.4 981.4 330.9 982.7 0.12 TRP 123 15376 -64.5 -86.5 3 22.0 -64.6 295 30 379.9 379.9 302.2 379.9 0.00 WND 228 11469 -46.6 -63.6 13 17.0 -47.1 220 75 345.8 345.8 295.7 345.9 0.03 Sounding variables and indices 1000-500 mb thick: 5733.00 m Freezing level: 586.31 mb = 4588.55 m = 15054.11 ft Wetbulb zero: 699.89 mb = 3141.31 m = 10306.02 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 39.55 % Est. max temperature: 30.45 C = 86.81 F Sfc-Lift cond lev (LCL): 866.14 mb = 1354.86 m = 4445.03 ft T: 17.83 C 700-500 lapse rate: 5.39 C/km ThetaE index: 12.96 C Layer 850.0- 752.0 mb Conv cond level (CCL): 831.89 mb = 1698.74 m = 5573.23 ft Mean mixing ratio: 13.08 g/kg Conv temperature: 30.77 C = 87.39 F Cap Strength: 0.95 C Lifted Index: -1.71 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.10 C Lifted Index @700 mb: -1.54 C Showalter Index: -0.30 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.50 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 198.20 Risk: None Energy Index: -2.45 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 502.22 J/kg Max Up Vert Vel: 31.69 m/s Conv Inhibition (B-): 11.07 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 845.18 mb = 1564.46 m = 5132.67 ft Lev Free Conv (LFC): 820.18 mb = 1818.71 m = 5966.83 ft Equ Level (EL): 660.18 mb = 3617.73 m = 11869.04 ft B at Equ Level: 65.63 J/kg Max Parcel Lev (MPL): 170.18 mb = 13355.34 m = 43816.19 ft Wind level data Storm motion: 351 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 1001 98 0 0 -0.0 -0.0 | 171 8 -1.2 7.4 1 1000 97 280 5 4.9 -0.9 | 210 8 3.7 6.5 2 977 305 275 6 6.0 -0.5 | 215 8 4.8 6.9 3 944 610 295 7 6.3 -3.0 | 229 7 5.1 4.4 4 925 786 295 4 3.6 -1.7 | 203 6 2.4 5.7 5 911 914 325 5 2.9 -4.1 | 206 4 1.6 3.3 6 880 1219 20 7 -2.4 -6.6 | 103 4 -3.6 0.8 7 850 1516 350 7 1.2 -6.9 | 179 1 -0.0 0.5 8 819 1829 350 7 1.2 -6.9 | 179 1 -0.0 0.5 9 789 2134 340 10 3.4 -9.4 | 312 3 2.2 -2.0 10 761 2438 335 9 3.8 -8.2 | 286 3 2.6 -0.8 11 734 2743 355 9 0.8 -9.0 | 16 2 -0.4 -1.6 12 700 3140 315 6 4.2 -4.2 | 224 4 3.0 3.2 13 656 3658 325 8 4.6 -6.6 | 256 3 3.4 0.9 14 632 3962 320 10 6.4 -7.7 | 273 5 5.2 -0.3 15 608 4267 325 8 4.6 -6.6 | 256 3 3.4 0.9 16 563 4877 315 15 10.6 -10.6 | 289 10 9.4 -3.2 17 522 5486 300 15 13.0 -7.5 | 270 12 11.8 -0.1 18 502 5791 315 21 14.8 -14.8 | 299 16 13.6 -7.4 19 500 5830 310 21 16.1 -13.5 | 292 16 14.9 -6.1 20 483 6096 305 22 18.0 -12.6 | 287 18 16.8 -5.2 21 400 7530 285 39 37.7 -10.1 | 274 37 36.4 -2.7 22 395 7620 285 39 37.7 -10.1 | 274 37 36.4 -2.7 23 348 8534 280 43 42.3 -7.5 | 270 41 41.1 -0.1 24 320 9144 270 44 44.0 -0.0 | 260 43 42.8 7.4 25 300 9600 255 59 57.0 15.3 | 248 60 55.8 22.7 26 250 10850 230 70 53.6 45.0 | 225 74 52.4 52.4 27 228 11469 220 75 48.2 57.5 | 216 80 47.0 64.9 28 224 11582 220 75 48.2 57.5 | 216 80 47.0 64.9 29 200 12330 235 61 50.0 35.0 | 229 65 48.7 42.4 30 150 14150 285 39 37.7 -10.1 | 274 37 36.4 -2.7 31 146 14326 285 39 37.7 -10.1 | 274 37 36.4 -2.7 32 139 14630 280 39 38.4 -6.8 | 269 37 37.2 0.6 33 126 15240 300 30 26.0 -15.0 | 287 26 24.8 -7.6 34 123 15376 295 30 27.2 -12.7 | 281 26 26.0 -5.3 35 120 15545 295 30 27.2 -12.7 | 281 26 26.0 -5.3 36 108 16154 315 27 19.1 -19.1 | 303 21 17.9 -11.7 37 103 16459 305 16 13.1 -9.2 | 278 12 11.9 -1.8 38 100 16640 295 15 13.6 -6.3 | 265 12 12.4 1.1 39 98 16764 295 15 13.6 -6.3 | 265 12 12.4 1.1 40 93 17069 310 13 10.0 -8.4 | 276 9 8.7 -1.0 41 84 17678 290 10 9.4 -3.4 | 244 9 8.2 4.0 42 80 17983 315 13 9.2 -9.2 | 283 8 8.0 -1.8 43 76 18288 315 16 11.3 -11.3 | 291 11 10.1 -3.9 44 73 18593 70 10 -9.4 -3.4 | 111 11 -10.6 4.0 45 70 18830 195 9 2.3 8.7 | 184 16 1.1 16.1 46 60 19812 60 13 -11.3 -6.5 | 94 13 -12.5 0.9 47 57 20117 75 10 -9.7 -2.6 | 114 12 -10.9 4.8 48 54 20422 65 10 -9.1 -4.2 | 107 11 -10.3 3.2 49 50 20920 355 7 0.6 -7.0 | 125 1 -0.6 0.4 50 49 21031 10 1 -0.2 -1.0 | 168 7 -1.4 6.4 51 47 21336 25 9 -3.8 -8.2 | 82 5 -5.0 -0.8 52 45 21641 335 10 4.2 -9.1 | 299 3 3.0 -1.7 53 43 21946 5 14 -1.2 -13.9 | 20 7 -2.4 -6.5 54 41 22250 80 11 -10.8 -1.9 | 115 13 -12.1 5.5 55 39 22555 80 16 -15.8 -2.8 | 105 18 -17.0 4.6 56 37 22860 105 15 -14.5 3.9 | 126 19 -15.7 11.3 57 35 23165 70 6 -5.6 -2.1 | 128 9 -6.9 5.4 58 34 23470 70 15 -14.1 -5.1 | 98 15 -15.3 2.3 59 32 23774 45 11 -7.8 -7.8 | 88 9 -9.0 -0.4 60 31 24079 90 28 -28.0 0.0 | 104 30 -29.2 7.4 61 30 24200 115 28 -25.4 11.8 | 126 33 -26.6 19.2 62 29 24384 100 29 -28.6 5.0 | 113 32 -29.8 12.4 63 28 24689 115 25 -22.7 10.6 | 127 30 -23.9 18.0 64 27 24994 95 28 -27.9 2.4 | 109 31 -29.1 9.8 65 25 25298 75 25 -24.1 -6.5 | 92 25 -25.4 0.9 66 23 25908 85 23 -22.9 -2.0 | 103 25 -24.1 5.4 67 22 26213 65 27 -24.5 -11.4 | 81 26 -25.7 -4.0 68 20 26840 65 32 -29.0 -13.5 | 79 31 -30.2 -6.1 69 19 27127 60 33 -28.6 -16.5 | 73 31 -29.8 -9.1 70 18 27432 70 31 -29.1 -10.6 | 84 31 -30.4 -3.2 71 18 27737 75 33 -31.9 -8.5 | 88 33 -33.1 -1.1 72 17 28042 75 27 -26.1 -7.0 | 91 27 -27.3 0.4 73 15 28956 100 31 -30.5 5.4 | 112 34 -31.8 12.8 74 12 30175 105 42 -40.6 10.9 | 114 46 -41.8 18.3 75 10 31530 95 28 -27.9 2.4 | 109 31 -29.1 9.8 76 7 34000 85 40 -39.8 -3.5 | 95 41 -41.1 3.9 Wind Parameters Mean winds (0-6000m): 320.6 at 10.0 knts Storm direction: 350.6 at 7.5 knts Shear (0-3000m) pos: 1.3 neg: 0.8 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 18.4 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -9.2 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 5.1 stream: -0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 91.10 Bulk Shear: 5.51 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 ------------------------------------------------------------------------------- 500 282 6 218 8| 2.5 0.0 2.5| 5.2 0.0 5.2 10.3 0.74| 3.5 2.6 1000 298 6 219 6| 3.7 0.0 3.7| 5.5 -5.8 -0.3 -0.3 -0.20| 6.3 -1.2 1500 323 6 224 3| 2.4 0.4 2.9| 5.8 -6.7 -0.9 -0.6 -0.16| 6.1 -1.0 2000 332 7 228 2| 1.8 1.1 2.9| 6.0 -6.7 -0.8 -0.4 -0.07| 5.4 -0.4 2500 334 7 242 2| 1.5 0.9 2.4| 6.6 -7.5 -1.0 -0.4 -0.06| 4.9 -0.3 3000 336 7 246 2| 1.3 0.8 2.1| 7.0 -9.2 -2.2 -0.7 -0.14| 5.1 -0.7 4000 331 7 249 2| 1.1 0.7 1.8| 10.2 -9.7 0.4 0.1 -0.04| 4.5 -0.2 5000 327 8 263 3| 0.8 1.2 2.1| 13.8 -13.4 0.4 0.1 -0.02| 4.5 -0.1 6000 321 10 274 5| 0.7 1.6 2.3| 35.7 -31.9 3.9 0.6 0.01| 4.9 0.0 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250703.00.gif