UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061500.upa.cvt Date: 0000Z 15 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 15 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 1005 98 26.8 21.8 74 5.0 23.2 235 3 299.5 302.5 296.2 348.0 16.58 1 1000 131 26.0 21.0 74 5.0 22.5 205 3 299.1 302.0 295.6 345.4 15.85 2 925 814 20.4 18.7 90 1.7 19.2 150 9 300.2 302.9 295.2 343.6 14.83 3 900 1051 18.6 17.4 93 1.2 17.8 213 5 300.7 303.2 294.8 341.8 14.03 4 898 1070 19.0 16.1 83 2.9 17.1 221 5 301.3 303.7 294.1 339.3 12.92 5 889 1156 18.4 15.1 81 3.3 16.2 258 3 301.5 303.8 293.7 337.6 12.23 6 887 1176 18.6 14.5 77 4.1 15.9 266 3 301.9 304.1 293.5 336.7 11.78 7 870 1342 17.2 14.9 86 2.3 15.7 285 4 302.1 304.4 294.0 338.6 12.34 8 850 1541 16.6 13.7 83 2.9 14.7 285 8 303.5 305.7 293.9 338.2 11.67 9 838 1662 15.6 13.3 86 2.3 14.1 299 8 303.7 305.9 293.9 338.0 11.53 10 774 2332 10.6 10.3 98 0.3 10.4 292 14 305.3 307.2 293.3 336.0 10.22 11 764 2441 10.0 9.5 97 0.5 9.7 285 15 305.8 307.6 293.2 335.3 9.81 12 746 2640 9.0 7.7 92 1.3 8.2 275 18 306.8 308.5 292.7 333.7 8.88 13 742 2684 8.8 6.2 84 2.6 7.3 273 19 307.1 308.6 292.1 331.5 8.04 14 736 2752 8.4 7.3 93 1.1 7.8 270 20 307.3 309.0 292.7 333.9 8.75 15 724 2888 7.8 5.3 84 2.5 6.3 268 21 308.1 309.6 292.2 331.7 7.74 16 715 2991 7.2 5.3 88 1.9 6.1 267 22 308.6 310.1 292.4 332.5 7.84 17 713 3014 7.2 4.7 84 2.5 5.8 267 22 308.8 310.2 292.2 331.9 7.53 18 700 3166 6.2 4.3 88 1.9 5.1 265 23 309.4 310.8 292.3 332.2 7.46 19 697 3201 6.0 4.3 89 1.7 5.0 264 24 309.5 310.9 292.4 332.5 7.49 20 678 3427 5.4 3.0 84 2.4 4.1 261 26 311.3 312.6 292.5 333.0 7.02 21 672 3500 5.0 2.2 82 2.8 3.4 262 25 311.6 312.9 292.4 332.4 6.69 22 636 3947 1.6 0.8 94 0.8 1.2 260 26 312.7 313.9 292.4 332.7 6.39 23 621 4139 1.4 -2.4 76 3.8 -0.5 265 24 314.6 315.6 292.0 331.0 5.17 24 608 4310 0.4 -2.6 80 3.0 -1.1 270 23 315.4 316.4 292.2 331.9 5.20 25 605 4349 1.2 -5.8 60 7.0 -2.1 271 22 316.8 317.5 291.7 330.0 4.10 26 602 4389 1.0 -6.0 59 7.0 -2.3 272 22 317.0 317.8 291.7 330.1 4.06 27 598 4443 1.2 -10.8 40 12.0 -3.9 273 21 317.8 318.4 290.9 327.0 2.80 28 595 4483 1.0 -12.0 37 13.0 -4.4 273 21 318.0 318.5 290.7 326.5 2.56 29 591 4538 0.6 -13.4 34 14.0 -5.0 274 20 318.2 318.6 290.5 325.8 2.30 30 588 4579 0.4 -21.6 17 22.0 -6.8 275 20 318.4 318.6 289.5 322.4 1.16 31 587 4592 0.4 -19.6 21 20.0 -6.5 275 20 318.6 318.8 289.8 323.3 1.38 32 586 4606 0.2 -11.8 40 12.0 -4.8 276 20 318.5 319.0 290.9 327.2 2.64 33 581 4675 -0.3 -9.3 51 9.0 -4.3 278 21 318.7 319.3 291.5 329.3 3.25 34 579 4702 -0.5 -11.5 43 11.0 -5.1 279 21 318.8 319.3 291.1 327.8 2.74 35 573 4786 -0.9 -12.9 40 12.0 -5.7 281 22 319.3 319.7 291.0 327.5 2.47 36 569 4841 -1.3 -12.3 43 11.0 -5.8 283 22 319.4 319.9 291.2 328.1 2.61 37 567 4870 -1.3 -15.3 34 14.0 -6.6 284 23 319.7 320.1 290.7 326.6 2.05 38 558 4997 -2.3 -19.3 26 17.0 -8.1 282 24 320.0 320.3 290.3 325.1 1.49 39 547 5155 -3.5 -19.5 28 16.0 -8.9 279 25 320.4 320.7 290.4 325.5 1.49 40 538 5286 -4.3 -24.3 19 20.0 -10.2 275 26 321.0 321.2 290.1 324.5 0.99 41 530 5404 -5.1 -20.1 30 15.0 -10.0 272 26 321.4 321.7 290.7 326.4 1.46 42 528 5434 -5.3 -24.3 21 19.0 -10.9 272 27 321.5 321.7 290.3 325.1 1.01 43 527 5449 -5.5 -23.5 23 18.0 -10.9 271 27 321.5 321.7 290.3 325.3 1.09 44 525 5478 -5.5 -27.5 16 22.0 -11.4 270 27 321.8 322.0 290.1 324.5 0.76 45 519 5569 -6.1 -24.1 23 18.0 -11.4 272 27 322.1 322.4 290.5 325.8 1.05 46 515 5629 -6.3 -30.3 13 24.0 -12.3 274 26 322.6 322.7 290.2 324.8 0.60 47 510 5706 -7.1 -28.1 17 21.0 -12.6 277 26 322.6 322.7 290.3 325.2 0.74 48 500 5860 -7.5 -38.5 6 31.0 -13.7 275 26 323.9 323.9 290.2 324.9 0.27 49 496 5923 -7.9 -39.9 6 32.0 -14.1 274 26 324.2 324.2 290.3 325.1 0.24 50 495 5938 -7.9 -38.9 6 31.0 -14.1 273 26 324.3 324.4 290.4 325.3 0.27 51 470 6341 -9.9 -36.9 9 27.0 -15.4 269 27 326.7 326.8 291.2 328.0 0.34 52 464 6440 -10.5 -31.5 16 21.0 -15.4 269 28 327.2 327.3 291.5 329.3 0.59 53 400 7570 -17.5 -25.5 50 8.0 -19.6 265 37 332.2 332.5 293.4 336.6 1.20 54 300 9650 -32.7 -35.8 74 3.1 -33.1 260 43 339.3 339.4 294.7 341.6 0.60 55 250 10910 -43.5 -47.2 67 3.7 -43.7 245 52 341.4 341.4 294.8 342.3 0.22 56 200 12370 -56.1 -60.2 60 4.1 -56.2 235 59 343.9 343.9 295.3 344.2 0.06 57 173 13273 -61.4 -68.5 39 7.1 -61.5 230 74 349.7 349.7 296.6 349.8 0.02 58 150 14140 -66.7 -76.7 23 10.0 -66.8 255 54 355.2 355.2 297.7 355.2 0.01 59 143 14430 -68.5 -77.5 26 9.0 -68.5 250 58 356.9 356.9 298.1 357.0 0.01 60 100 16600 -66.7 -86.7 4 20.0 -66.8 310 25 398.9 398.9 305.0 398.9 0.00 61 91 17167 -67.3 -88.3 4 21.0 -67.4 317 31 408.6 408.6 306.3 408.6 0.00 62 80 17950 -62.5 -87.5 2 25.0 -62.8 323 19 433.8 433.8 309.3 433.8 0.00 63 75 18346 -63.3 -87.3 2 24.0 -63.6 348 18 440.2 440.2 309.9 440.2 0.00 64 71 18683 -61.7 -87.7 2 26.0 -62.0 8 10 450.6 450.6 310.9 450.6 0.00 65 70 18770 -62.3 -87.3 2 25.0 -62.6 15 4 451.1 451.1 311.0 451.1 0.00 66 68 18949 -62.3 -88.3 2 26.0 -62.6 18 10 454.9 454.9 311.3 454.9 0.00 67 66 19135 -59.9 -87.9 1 28.0 -60.3 338 10 464.0 464.0 312.1 464.0 0.00 68 62 19526 -60.3 -87.3 2 27.0 -60.7 317 10 471.5 471.5 312.8 471.5 0.00 69 60 19732 -57.9 -86.9 1 29.0 -58.5 312 10 481.3 481.3 313.5 481.3 0.00 70 54 20401 -56.1 -86.1 1 30.0 -56.9 232 1 500.1 500.1 314.9 500.2 0.00 71 50 20890 -57.1 -86.1 1 29.0 -57.9 25 10 508.9 508.9 315.6 508.9 0.00 72 46 21415 -58.3 -87.3 1 29.0 -59.0 5 4 518.3 518.3 316.2 518.3 0.00 73 41 22143 -55.3 -86.3 1 31.0 -56.5 19 9 543.1 543.1 317.7 543.2 0.01 74 37 22796 -55.7 -85.7 1 30.0 -56.9 68 12 558.3 558.3 318.5 558.3 0.01 75 36 22971 -53.5 -85.5 1 32.0 -55.1 82 11 568.4 568.4 319.1 568.4 0.01 76 32 23732 -51.3 -84.3 1 33.0 -53.5 14 12 593.7 593.7 320.3 593.8 0.01 77 31 23938 -51.9 -83.9 1 32.0 -54.0 50 12 597.5 597.5 320.5 597.6 0.01 78 30 24150 -51.7 -84.7 1 33.0 -53.9 120 7 603.7 603.7 320.8 603.8 0.01 79 27 24839 -49.1 -83.1 1 34.0 -52.1 39 10 629.5 629.5 321.9 629.6 0.01 80 24 25611 -50.7 -83.7 1 33.0 -53.6 36 10 646.4 646.4 322.6 646.5 0.01 81 22 26182 -48.1 -83.1 1 35.0 -51.9 80 12 670.4 670.4 323.4 670.6 0.02 82 21 26489 -48.9 -82.9 1 34.0 -52.6 57 12 677.0 677.0 323.7 677.1 0.02 83 20 26810 -48.3 -83.3 1 35.0 -52.3 80 10 688.3 688.3 324.0 688.5 0.02 84 19 27148 -48.1 -83.1 1 35.0 -52.3 64 12 699.1 699.1 324.4 699.3 0.02 85 16 28294 -43.3 -81.3 1 38.0 -50.0 81 20 750.0 750.0 326.0 750.3 0.03 86 15 28729 -43.3 -81.3 1 38.0 -50.2 87 14 764.0 764.0 326.3 764.3 0.04 87 14 29193 -43.7 -81.7 1 38.0 -50.7 68 14 777.8 777.9 326.7 778.2 0.04 88 12 30240 -38.9 -79.9 1 41.0 -48.9 84 18 829.9 829.9 328.0 830.5 0.06 89 11 30836 -39.9 -79.9 1 40.0 -49.8 82 19 847.2 847.2 328.4 847.8 0.06 90 10 31490 -38.3 -80.3 0 42.0 -49.6 80 21 876.6 876.6 329.0 877.2 0.06 91 9.2 32068 -34.9 -77.9 0 43.0 -48.6 85 22 910.7 910.8 329.7 911.8 0.10 92 8.6 32539 -34.7 -77.7 0 43.0 -48.8 88 23 929.2 929.3 330.0 930.5 0.11 93 7.7 33317 -31.9 -75.9 0 44.0 -48.4 95 25 970.4 970.5 330.7 972.3 0.17 94 7.0 33990 -32.3 -76.3 0 44.0 -49.1 100 26 995.5 995.6 331.1 997.6 0.17 95 6.5 34512 -33.3 -77.3 0 44.0 -49.9 1012.6 1012.7 331.4 1014.5 0.16 TRP 143 14430 -68.5 -77.5 26 9.0 -68.5 250 58 356.9 356.9 298.1 357.0 0.01 WND 173 13273 -61.4 -68.5 39 7.1 -61.5 230 74 349.7 349.7 296.6 349.8 0.02 Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 584.00 mb = 4633.41 m = 15201.30 ft Wetbulb zero: 625.48 mb = 4081.40 m = 13390.27 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 70.73 % Est. max temperature: 30.47 C = 86.84 F Sfc-Lift cond lev (LCL): 934.71 mb = 722.49 m = 2370.36 ft T: 21.15 C 700-500 lapse rate: 5.09 C/km ThetaE index: 11.24 C Layer 1000.0- 870.0 mb Conv cond level (CCL): 901.37 mb = 1037.49 m = 3403.80 ft Mean mixing ratio: 15.21 g/kg Conv temperature: 27.92 C = 82.26 F Cap Strength: 0.71 C Lifted Index: -2.42 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.14 C Lifted Index @700 mb: -2.78 C Showalter Index: 0.04 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.20 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 206.40 Risk: None Energy Index: -2.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 695.85 J/kg Max Up Vert Vel: 37.31 m/s Conv Inhibition (B-): 8.84 J/kg Cap Strength: 0.61 C Lift Cond Lev (LCL): 912.87 mb = 928.04 m = 3044.70 ft Lev Free Conv (LFC): 837.87 mb = 1663.59 m = 5457.89 ft Equ Level (EL): 197.87 mb = 12436.82 m = 40802.71 ft B at Equ Level: 690.22 J/kg Max Parcel Lev (MPL): 127.87 mb = 15108.96 m = 49569.47 ft Wind level data Storm motion: 301 at 13 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 98 235 3 2.5 1.7 | 134 12 -8.8 8.5 1 1000 131 205 3 1.3 2.7 | 134 14 -9.9 9.5 2 980 305 150 5 -2.5 4.3 | 129 18 -13.7 11.1 3 947 610 135 6 -4.2 4.2 | 125 19 -15.5 11.0 4 925 814 150 9 -4.5 7.8 | 133 21 -15.7 14.5 5 914 914 155 8 -3.4 7.3 | 134 20 -14.6 14.0 6 882 1219 285 2 1.9 -0.5 | 124 11 -9.3 6.2 7 850 1541 285 8 7.7 -2.1 | 143 6 -3.5 4.7 8 821 1829 320 9 5.8 -6.9 | 88 5 -5.4 -0.1 9 792 2134 305 11 9.0 -6.3 | 101 2 -2.2 0.4 10 764 2438 285 15 14.5 -3.9 | 229 4 3.3 2.9 11 736 2743 270 20 20.0 -0.0 | 232 11 8.8 6.8 12 700 3166 265 23 22.9 2.0 | 233 15 11.7 8.8 13 684 3353 260 26 25.6 4.5 | 232 18 14.4 11.3 14 658 3658 265 24 23.9 2.1 | 235 15 12.7 8.8 15 634 3962 260 26 25.6 4.5 | 232 18 14.4 11.3 16 610 4267 270 23 23.0 -0.0 | 240 14 11.8 6.8 17 587 4572 275 20 19.9 -1.7 | 240 10 8.7 5.0 18 565 4877 285 23 22.2 -6.0 | 266 11 11.0 0.8 19 524 5486 270 27 27.0 -0.0 | 247 17 15.8 6.8 20 504 5791 280 25 24.6 -4.3 | 260 14 13.4 2.4 21 500 5860 275 26 25.9 -2.3 | 253 15 14.7 4.5 22 485 6096 270 25 25.0 -0.0 | 244 15 13.8 6.8 23 400 7570 265 37 36.9 3.2 | 249 28 25.6 10.0 24 397 7620 265 36 35.9 3.1 | 248 27 24.6 9.9 25 322 9144 275 42 41.8 -3.7 | 264 31 30.6 3.1 26 300 9650 260 43 42.3 7.5 | 245 34 31.1 14.2 27 283 10058 255 47 45.4 12.2 | 241 39 34.2 18.9 28 259 10668 250 45 42.3 15.4 | 235 38 31.1 22.1 29 250 10910 245 52 47.1 22.0 | 231 46 35.9 28.7 30 200 12370 235 59 48.3 33.8 | 222 55 37.1 40.6 31 173 13273 230 74 56.7 47.6 | 220 71 45.5 54.3 32 169 13411 230 74 56.7 47.6 | 220 71 45.5 54.3 33 153 14021 255 60 58.0 15.5 | 245 52 46.7 22.3 34 150 14140 255 54 52.2 14.0 | 243 46 40.9 20.7 35 143 14430 250 58 54.5 19.8 | 238 51 43.3 26.6 36 125 15240 260 46 45.3 8.0 | 247 37 34.1 14.7 37 113 15850 290 40 37.6 -13.7 | 285 27 26.4 -6.9 38 108 16154 275 31 30.9 -2.7 | 258 20 19.7 4.1 39 102 16459 305 30 24.6 -17.2 | 308 17 13.4 -10.5 40 100 16600 310 25 19.2 -16.1 | 320 12 7.9 -9.3 41 97 16764 310 25 19.2 -16.1 | 320 12 7.9 -9.3 42 88 17374 320 34 21.9 -26.0 | 331 22 10.6 -19.3 43 84 17678 305 19 15.6 -10.9 | 314 6 4.4 -4.1 44 76 18288 345 19 4.9 -18.4 | 28 13 -6.3 -11.6 45 72 18593 360 16 -0.0 -16.0 | 50 15 -11.2 -9.2 46 70 18770 15 4 -1.0 -3.9 | 103 13 -12.2 2.9 47 69 18898 30 10 -5.0 -8.7 | 83 16 -16.2 -1.9 48 65 19202 325 10 5.7 -8.2 | 75 6 -5.5 -1.4 49 59 19812 310 10 7.7 -6.4 | 95 4 -3.6 0.3 50 54 20422 230 1 0.8 0.6 | 125 13 -10.4 7.4 51 50 20890 25 10 -4.2 -9.1 | 81 16 -15.4 -2.3 52 49 21031 15 12 -3.1 -11.6 | 71 15 -14.3 -4.8 53 47 21336 45 5 -3.5 -3.5 | 102 15 -14.7 3.2 54 44 21641 265 1 1.0 0.1 | 124 12 -10.2 6.8 55 40 22250 40 10 -6.4 -7.7 | 87 18 -17.6 -0.9 56 37 22860 70 12 -11.3 -4.1 | 97 23 -22.5 2.6 57 35 23165 100 10 -9.8 1.7 | 112 23 -21.1 8.5 58 33 23470 10 10 -1.7 -9.8 | 77 13 -12.9 -3.1 59 32 23774 15 12 -3.1 -11.6 | 71 15 -14.3 -4.8 60 30 24079 80 12 -11.8 -2.1 | 101 23 -23.0 4.7 61 30 24150 120 7 -6.1 3.5 | 121 20 -17.3 10.3 62 29 24384 95 12 -12.0 1.0 | 109 24 -23.2 7.8 63 26 24994 20 10 -3.4 -9.4 | 80 15 -14.6 -2.6 64 25 25298 55 10 -8.2 -5.7 | 93 19 -19.4 1.0 65 24 25603 35 10 -5.7 -8.2 | 85 17 -16.9 -1.4 66 23 25908 75 14 -13.5 -3.6 | 97 25 -24.7 3.1 67 22 26213 80 12 -11.8 -2.1 | 101 23 -23.0 4.7 68 21 26518 55 12 -9.8 -6.9 | 90 21 -21.0 -0.1 69 20 26810 80 10 -9.8 -1.7 | 103 22 -21.1 5.0 70 20 26822 80 13 -12.8 -2.3 | 101 24 -24.0 4.5 71 19 27127 65 12 -10.9 -5.1 | 94 22 -22.1 1.7 72 18 27432 55 12 -9.8 -6.9 | 90 21 -21.0 -0.1 73 17 27737 70 18 -16.9 -6.2 | 91 28 -28.1 0.6 74 17 28042 90 16 -16.0 0.0 | 104 28 -27.2 6.8 75 16 28346 80 20 -19.7 -3.5 | 96 31 -30.9 3.3 76 15 28956 90 11 -11.0 0.0 | 107 23 -22.2 6.8 77 14 29261 65 15 -13.6 -6.3 | 91 25 -24.8 0.4 78 13 29566 60 16 -13.9 -8.0 | 87 25 -25.1 -1.2 79 13 29870 85 17 -16.9 -1.5 | 101 29 -28.1 5.3 80 10 31490 80 21 -20.7 -3.6 | 96 32 -31.9 3.1 81 7 33990 100 26 -25.6 4.5 | 107 39 -36.8 11.3 Wind Parameters Mean winds (0-6000m): 271.1 at 17.5 knts Storm direction: 301.1 at 13.1 knts Shear (0-3000m) pos: 2.9 neg: 2.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 99.2 deg Storm rel helicity (0-3000m) pos: 35.3 neg: -27.7 tot: 7.6 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 0.3 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 12.97 Bulk Shear: 53.66 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 ------------------------------------------------------------------------------- 500 153 5 129 17| 0.0 7.3 7.3| 0.0 -11.5 -11.5 -23.0 -0.34| 7.7 -2.6 1000 155 6 131 18| 4.0 3.7 7.7| 28.7 -13.1 15.7 15.7 0.13| 10.8 1.4 1500 173 6 136 17| 4.8 2.4 7.2| 32.4 -22.2 10.2 6.8 0.04| 10.4 0.4 2000 245 7 151 11| 4.3 1.8 6.1| 32.9 -27.2 5.7 2.8 -0.06| 9.5 -0.6 2500 276 8 152 7| 3.4 1.5 4.9| 35.0 -27.2 7.8 3.1 0.05| 9.7 0.4 3000 272 10 171 6| 2.9 2.2 5.1| 35.3 -27.7 7.6 2.5 0.04| 9.1 0.3 4000 267 14 200 8| 2.2 1.9 4.1| 42.3 -31.4 10.9 2.7 0.04| 8.1 0.4 5000 270 16 213 8| 2.2 1.5 3.7| 59.7 -36.1 23.6 4.7 0.09| 7.8 0.7 6000 271 17 224 9| 1.8 1.6 3.4| 72.5 -63.2 9.4 1.6 0.04| 7.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250615.00.gif