UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025063012.upa.cvt Date: 1200Z 30 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 30 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 23.8 22.4 92 1.4 22.8 105 2 296.5 299.6 295.8 346.2 17.21 1 1004 106 23.2 22.0 93 1.2 22.3 119 2 296.0 299.0 295.4 344.4 16.81 2 1000 136 23.2 21.7 91 1.5 22.2 175 2 296.4 299.3 295.3 344.1 16.56 3 979 322 24.4 20.2 77 4.2 21.4 154 5 299.4 302.2 295.3 344.3 15.40 4 972 386 24.0 19.9 78 4.1 21.1 167 5 299.6 302.3 295.3 344.0 15.22 5 969 413 24.8 18.8 69 6.0 20.6 173 5 300.6 303.3 294.9 342.4 14.23 6 925 821 23.0 19.3 80 3.7 20.4 230 8 302.8 305.7 296.3 348.5 15.41 7 908 983 22.4 17.5 74 4.9 19.0 232 8 303.8 306.4 295.6 345.4 13.99 8 850 1555 18.4 15.2 82 3.2 16.3 250 10 305.4 307.8 295.3 344.0 12.89 9 817 1894 16.0 13.8 87 2.2 14.6 239 12 306.4 308.6 295.1 343.1 12.23 10 777 2320 14.0 9.0 72 5.0 10.9 270 12 308.6 310.4 293.6 337.0 9.32 11 749 2629 11.4 8.3 81 3.1 9.5 280 13 309.1 310.8 293.6 337.2 9.22 12 700 3193 8.4 4.2 75 4.2 5.9 240 8 311.8 313.2 293.0 334.7 7.41 13 697 3229 8.2 4.1 75 4.1 5.8 237 8 311.9 313.4 293.0 334.9 7.39 14 695 3252 8.4 4.3 75 4.1 6.0 235 9 312.4 313.9 293.3 335.8 7.51 15 671 3542 5.6 4.0 89 1.6 4.6 228 11 312.4 313.9 293.3 336.1 7.62 16 661 3665 5.0 2.1 81 2.9 3.4 230 11 313.1 314.4 292.9 334.2 6.75 17 627 4094 1.8 1.2 96 0.6 1.5 230 16 314.2 315.5 293.1 335.2 6.67 18 613 4276 0.8 0.8 100 0.0 0.8 230 18 315.1 316.4 293.3 336.0 6.63 19 570 4858 -2.1 -2.1 100 0.0 -2.1 230 19 318.3 319.4 293.5 336.8 5.76 20 565 4928 -2.5 -4.0 89 1.5 -3.3 231 19 318.7 319.6 293.0 334.9 5.04 21 541 5272 -5.1 -5.1 100 0.0 -5.1 239 19 319.5 320.5 293.1 335.2 4.84 22 524 5523 -6.7 -7.0 98 0.3 -6.8 243 19 320.5 321.4 293.0 334.6 4.32 23 520 5583 -6.3 -10.3 73 4.0 -8.0 239 20 321.7 322.4 292.5 332.8 3.36 24 516 5643 -5.9 -9.1 78 3.2 -7.3 235 20 322.9 323.7 293.1 335.2 3.72 25 500 5890 -6.9 -11.9 67 5.0 -8.9 220 19 324.6 325.2 293.0 334.9 3.07 26 487 6095 -7.7 -13.7 62 6.0 -10.1 220 20 326.1 326.6 293.2 335.3 2.73 27 484 6143 -7.9 -12.1 72 4.2 -9.6 220 20 326.4 327.1 293.6 337.0 3.12 28 482 6175 -8.1 -12.3 72 4.2 -9.8 221 20 326.6 327.2 293.6 337.0 3.09 29 473 6321 -8.9 -13.9 67 5.0 -10.9 222 20 327.3 327.9 293.5 336.7 2.76 30 469 6387 -9.1 -13.1 73 4.0 -10.7 222 20 327.9 328.5 293.8 338.0 2.97 31 467 6420 -9.3 -14.0 69 4.7 -11.1 223 19 328.0 328.6 293.7 337.5 2.77 32 466 6437 -9.5 -13.0 76 3.5 -10.9 223 19 328.0 328.6 293.9 338.3 3.02 33 450 6706 -11.1 -17.1 61 6.0 -13.2 225 19 329.3 329.7 293.6 337.0 2.22 34 444 6808 -11.7 -16.4 68 4.7 -13.4 228 19 329.8 330.3 293.9 338.1 2.39 35 436 6947 -12.9 -17.9 66 5.0 -14.6 233 19 330.0 330.4 293.7 337.5 2.15 36 434 6982 -12.7 -19.7 56 7.0 -15.0 234 19 330.7 331.0 293.6 337.2 1.85 37 432 7018 -13.1 -20.1 56 7.0 -15.3 235 19 330.6 331.0 293.6 336.9 1.79 38 431 7035 -13.3 -19.3 61 6.0 -15.3 236 19 330.6 331.0 293.6 337.3 1.93 39 426 7124 -13.7 -19.7 60 6.0 -15.6 239 19 331.2 331.5 293.8 337.8 1.88 40 422 7196 -14.1 -22.1 51 8.0 -16.5 241 18 331.5 331.9 293.6 337.0 1.54 41 420 7232 -14.3 -22.3 51 8.0 -16.7 242 18 331.7 332.0 293.6 337.2 1.52 42 417 7286 -14.5 -22.5 51 8.0 -16.9 244 18 332.2 332.5 293.7 337.5 1.51 43 415 7322 -14.7 -19.7 66 5.0 -16.3 246 18 332.4 332.8 294.1 339.2 1.93 44 410 7414 -15.3 -22.3 55 7.0 -17.4 249 18 332.7 333.1 293.9 338.3 1.56 45 405 7507 -15.9 -21.9 60 6.0 -17.7 252 18 333.1 333.5 294.1 339.0 1.64 46 404 7525 -16.1 -24.1 50 8.0 -18.3 252 18 333.1 333.4 293.8 338.0 1.35 47 402 7562 -16.3 -24.3 50 8.0 -18.5 254 18 333.3 333.6 293.9 338.1 1.33 48 400 7600 -16.5 -26.5 42 10.0 -19.1 255 18 333.5 333.8 293.7 337.5 1.10 49 399 7619 -16.7 -26.7 42 10.0 -19.3 255 19 333.5 333.7 293.7 337.4 1.08 50 396 7675 -17.1 -24.1 55 7.0 -19.0 256 19 333.7 334.0 294.0 338.7 1.38 51 384 7905 -18.7 -31.7 31 13.0 -21.5 260 19 334.6 334.7 293.6 337.2 0.70 52 375 8081 -19.9 -27.9 49 8.0 -21.8 262 19 335.3 335.5 294.1 339.0 1.03 53 373 8120 -20.1 -29.1 45 9.0 -22.2 263 19 335.5 335.7 294.0 338.9 0.92 54 348 8629 -24.5 -27.9 73 3.4 -25.3 267 20 336.3 336.5 294.4 340.3 1.11 55 300 9690 -32.9 -36.2 72 3.3 -33.4 270 26 339.0 339.1 294.6 341.2 0.58 56 250 10950 -43.5 -46.4 73 2.9 -43.7 275 29 341.4 341.4 294.9 342.3 0.24 57 200 12420 -54.1 -62.1 37 8.0 -54.3 315 23 347.1 347.1 296.0 347.3 0.04 58 150 14210 -64.5 -68.8 55 4.3 -64.6 320 21 359.0 359.0 298.5 359.1 0.02 59 125 15321 -67.1 -82.1 10 15.0 -67.2 310 16 373.5 373.5 301.2 373.5 0.00 60 100 16670 -67.5 -86.5 5 19.0 -67.6 220 10 397.3 397.3 304.8 397.3 0.00 61 90 17302 -68.7 -87.7 5 19.0 -68.8 258 17 407.1 407.1 306.2 407.1 0.00 62 87 17505 -66.7 -87.7 4 21.0 -66.8 269 14 415.1 415.1 307.2 415.1 0.00 63 83 17789 -67.3 -88.3 4 21.0 -67.4 256 10 419.5 419.5 307.6 419.5 0.00 64 70 18820 -65.3 -88.3 3 23.0 -65.5 135 3 444.7 444.7 310.3 444.7 0.00 65 69 18907 -65.3 -89.3 2 24.0 -65.5 151 3 446.5 446.5 310.5 446.5 0.00 66 62 19563 -62.1 -88.1 2 26.0 -62.4 142 7 467.5 467.5 312.4 467.5 0.00 67 61 19663 -62.9 -88.9 2 26.0 -63.2 124 9 467.9 467.9 312.4 467.9 0.00 68 57 20083 -60.3 -88.3 1 28.0 -60.8 45 15 482.9 482.9 313.7 483.0 0.00 69 56 20193 -60.9 -87.9 2 27.0 -61.4 33 14 484.0 484.0 313.8 484.0 0.00 70 50 20900 -58.7 -87.7 1 29.0 -59.4 115 12 505.2 505.2 315.3 505.2 0.00 71 47 21289 -59.1 -88.1 1 29.0 -59.8 107 14 513.2 513.2 315.8 513.2 0.00 72 40 22314 -53.5 -85.5 1 32.0 -54.9 86 16 551.5 551.5 318.2 551.5 0.01 73 34 23366 -51.5 -84.5 1 33.0 -53.5 86 15 583.0 583.0 319.8 583.1 0.01 74 32 23759 -51.9 -84.9 1 33.0 -53.9 80 12 592.1 592.1 320.2 592.2 0.01 75 30 24180 -49.5 -83.5 1 34.0 -52.2 85 10 609.7 609.7 321.0 609.8 0.01 76 27 24871 -48.3 -83.3 1 35.0 -51.5 78 15 631.7 631.7 322.0 631.8 0.01 77 23 25919 -50.9 -84.9 1 34.0 -53.8 120 14 653.7 653.7 322.8 653.8 0.01 78 20 26830 -49.9 -84.9 1 35.0 -53.4 105 28 683.4 683.4 323.9 683.5 0.01 79 17 27896 -49.3 -84.3 1 35.0 -53.4 81 20 717.9 717.9 325.0 718.0 0.02 80 15 28725 -44.9 -82.9 1 38.0 -51.1 68 30 758.7 758.7 326.2 758.9 0.03 81 12 30228 -41.9 -81.9 1 40.0 -50.4 76 35 819.3 819.3 327.7 819.7 0.04 82 10 31460 -43.5 -82.5 1 39.0 -52.0 90 41 857.2 857.2 328.5 857.6 0.04 83 9.6 31734 -44.7 -83.7 1 39.0 -52.7 91 42 862.7 862.7 328.7 863.1 0.04 84 8.5 32550 -44.1 -83.1 1 39.0 -52.9 92 45 895.6 895.6 329.4 896.1 0.05 85 8.0 32962 -38.5 -80.5 0 42.0 -50.7 93 47 933.5 933.6 330.1 934.4 0.08 86 7.1 33791 -34.1 -77.1 0 43.0 -49.7 95 50 984.1 984.2 330.9 985.8 0.15 87 7.0 33890 -34.1 -77.1 0 43.0 -49.7 95 50 988.1 988.2 331.0 989.9 0.15 88 6.0 34978 -30.1 -74.9 0 44.8 -49.3 95 58 1049.8 1049.9 331.9 1052.9 0.25 89 5.9 35098 -29.7 -74.7 0 45.0 -49.3 1056.7 1056.9 332.1 1060.0 0.26 TRP 125 15321 -67.1 -82.1 10 15.0 -67.2 310 16 373.5 373.5 301.2 373.5 0.00 WND 6.0 34978 -30.1 -74.9 0 44.8 -49.3 95 58 1049.8 1049.9 331.9 1052.9 0.25 Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 601.14 mb = 4436.63 m = 14555.70 ft Wetbulb zero: 601.30 mb = 4430.34 m = 14535.07 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 84.46 % Est. max temperature: 32.57 C = 90.62 F Sfc-Lift cond lev (LCL): 985.06 mb = 268.21 m = 879.94 ft T: 24.05 C 700-500 lapse rate: 5.67 C/km ThetaE index: 11.45 C Layer 908.0- 749.0 mb Conv cond level (CCL): 836.46 mb = 1692.34 m = 5552.24 ft Mean mixing ratio: 15.13 g/kg Conv temperature: 33.09 C = 91.56 F Cap Strength: 3.16 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.92 C Lifted Index @700 mb: -0.88 C Showalter Index: -1.70 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.10 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 221.40 Risk: None Energy Index: -1.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 683.23 J/kg Max Up Vert Vel: 36.97 m/s Conv Inhibition (B-): 103.55 J/kg Cap Strength: 3.16 C Lift Cond Lev (LCL): 898.23 mb = 1076.78 m = 3532.69 ft Lev Free Conv (LFC): 753.23 mb = 2581.59 m = 8469.70 ft Equ Level (EL): 213.23 mb = 11998.03 m = 39363.14 ft B at Equ Level: 675.59 J/kg Max Parcel Lev (MPL): 133.23 mb = 14932.41 m = 48990.24 ft Wind level data Storm motion: 268 at 10 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 98 105 2 -1.9 0.5 | 91 12 -11.8 0.1 1 1000 136 175 2 -0.2 2.0 | 99 10 -10.1 1.6 2 981 305 150 5 -2.5 4.3 | 108 13 -12.4 3.9 3 948 610 215 5 2.9 4.1 | 118 8 -7.0 3.7 4 925 821 230 8 6.1 5.1 | 141 6 -3.8 4.7 5 915 914 230 8 6.1 5.1 | 141 6 -3.8 4.7 6 884 1219 240 7 6.1 3.5 | 129 5 -3.8 3.1 7 853 1524 250 10 9.4 3.4 | 171 3 -0.5 3.0 8 850 1555 250 10 9.4 3.4 | 171 3 -0.5 3.0 9 823 1829 235 12 9.8 6.9 | 179 6 -0.1 6.5 10 794 2134 255 13 12.6 3.4 | 222 4 2.7 3.0 11 765 2438 280 12 11.8 -2.1 | 322 3 1.9 -2.5 12 738 2743 280 13 12.8 -2.3 | 313 4 2.9 -2.7 13 712 3048 270 10 10.0 -0.0 | 345 0 0.1 -0.4 14 700 3193 240 8 6.9 4.0 | 140 5 -3.0 3.6 15 686 3353 225 10 7.1 7.1 | 157 7 -2.8 6.7 16 661 3658 230 11 8.4 7.1 | 168 7 -1.5 6.7 17 612 4267 230 18 13.8 11.6 | 199 12 3.9 11.2 18 589 4572 230 22 16.9 14.1 | 207 15 7.0 13.7 19 567 4877 230 19 14.6 12.2 | 202 13 4.7 11.8 20 526 5486 245 19 17.2 8.0 | 224 11 7.3 7.6 21 506 5791 225 21 14.8 14.8 | 199 15 5.0 14.4 22 500 5890 220 19 12.2 14.6 | 189 14 2.3 14.1 23 487 6096 220 20 12.9 15.3 | 191 15 3.0 14.9 24 450 6706 225 19 13.4 13.4 | 195 13 3.5 13.0 25 400 7600 255 18 17.4 4.7 | 240 9 7.5 4.2 26 399 7620 255 19 18.4 4.9 | 242 10 8.5 4.5 27 352 8534 270 19 19.0 -0.0 | 273 9 9.1 -0.4 28 337 8839 260 21 20.7 3.6 | 253 11 10.8 3.2 29 323 9144 260 21 20.7 3.6 | 253 11 10.8 3.2 30 310 9449 275 20 19.9 -1.7 | 282 10 10.0 -2.2 31 300 9690 270 26 26.0 -0.0 | 271 16 16.1 -0.4 32 260 10668 270 28 28.0 -0.0 | 271 18 18.1 -0.4 33 250 10950 275 29 28.9 -2.5 | 279 19 19.0 -2.9 34 227 11582 280 25 24.6 -4.3 | 288 15 14.7 -4.8 35 217 11887 320 28 18.0 -21.4 | 340 23 8.1 -21.9 36 200 12420 315 23 16.3 -16.3 | 339 18 6.4 -16.7 37 162 13716 320 30 19.3 -23.0 | 338 25 9.4 -23.4 38 155 14021 305 24 19.7 -13.8 | 325 17 9.8 -14.2 39 150 14210 320 21 13.5 -16.1 | 348 17 3.6 -16.5 40 140 14630 330 19 9.5 -16.5 | 1 17 -0.4 -16.9 41 133 14935 300 10 8.7 -5.0 | 13 6 -1.2 -5.4 42 127 15240 335 11 4.6 -10.0 | 27 12 -5.2 -10.4 43 125 15321 310 16 12.3 -10.3 | 348 11 2.4 -10.7 44 115 15850 315 11 7.8 -7.8 | 14 8 -2.1 -8.2 45 109 16154 325 3 1.7 -2.5 | 71 9 -8.2 -2.9 46 100 16670 220 10 6.4 7.7 | 154 8 -3.5 7.3 47 94 17069 250 12 11.3 4.1 | 201 4 1.4 3.7 48 89 17374 260 18 17.7 3.1 | 251 8 7.8 2.7 49 85 17678 280 10 9.8 -1.7 | 1 2 -0.0 -2.1 50 80 17983 215 10 5.7 8.2 | 152 9 -4.2 7.8 51 76 18288 315 15 10.6 -10.6 | 356 11 0.7 -11.0 52 73 18593 350 13 2.3 -12.8 | 30 15 -7.6 -13.2 53 70 18820 135 3 -2.1 2.1 | 98 12 -12.0 1.7 54 66 19202 205 1 0.4 0.9 | 93 9 -9.5 0.5 55 60 19812 100 11 -10.8 1.9 | 94 21 -20.7 1.5 56 57 20117 40 15 -9.6 -11.5 | 59 23 -19.5 -11.9 57 54 20422 15 10 -2.6 -9.7 | 51 16 -12.5 -10.1 58 50 20900 115 12 -10.9 5.1 | 103 21 -20.8 4.7 59 49 21031 20 11 -3.8 -10.3 | 52 17 -13.7 -10.7 60 47 21336 120 14 -12.1 7.0 | 107 23 -22.0 6.6 61 45 21641 145 10 -5.7 8.2 | 116 17 -15.6 7.8 62 42 21946 60 23 -19.9 -11.5 | 68 32 -29.8 -11.9 63 41 22250 90 15 -15.0 0.0 | 89 25 -24.9 -0.4 64 39 22555 75 17 -16.4 -4.4 | 80 27 -26.3 -4.8 65 37 22860 80 15 -14.8 -2.6 | 83 25 -24.7 -3.0 66 35 23165 100 14 -13.8 2.4 | 95 24 -23.7 2.0 67 34 23470 80 16 -15.8 -2.8 | 83 26 -25.7 -3.2 68 32 23774 80 12 -11.8 -2.1 | 83 22 -21.7 -2.5 69 30 24079 110 18 -16.9 6.2 | 102 27 -26.8 5.7 70 30 24180 85 10 -10.0 -0.9 | 86 20 -19.9 -1.3 71 29 24384 95 16 -15.9 1.4 | 92 26 -25.8 1.0 72 28 24689 65 13 -11.8 -5.5 | 75 22 -21.7 -5.9 73 25 25298 110 20 -18.8 6.8 | 103 29 -28.7 6.4 74 24 25603 105 14 -13.5 3.6 | 98 24 -23.4 3.2 75 23 25908 120 14 -12.1 7.0 | 107 23 -22.0 6.6 76 22 26213 115 10 -9.1 4.2 | 101 19 -19.0 3.8 77 21 26518 105 8 -7.7 2.1 | 95 18 -17.6 1.7 78 20 26822 75 17 -16.4 -4.4 | 80 27 -26.3 -4.8 79 20 26830 105 28 -27.0 7.2 | 100 38 -36.9 6.8 80 19 27127 100 28 -27.6 4.9 | 97 38 -37.5 4.5 81 18 27432 110 23 -21.6 7.9 | 103 32 -31.5 7.5 82 17 27737 80 17 -16.7 -3.0 | 83 27 -26.6 -3.4 83 16 28346 85 28 -27.9 -2.4 | 86 38 -37.8 -2.9 84 15 28956 60 31 -26.8 -15.5 | 67 40 -36.7 -15.9 85 14 29261 75 26 -25.1 -6.7 | 78 36 -35.0 -7.1 86 13 29566 50 31 -23.7 -19.9 | 59 39 -33.6 -20.3 87 12 30175 75 35 -33.8 -9.1 | 78 45 -43.7 -9.5 88 10 31460 90 41 -41.0 0.0 | 90 51 -50.9 -0.4 89 7 33890 95 50 -49.8 4.4 | 94 60 -59.7 3.9 Wind Parameters Mean winds (0-6000m): 237.6 at 13.2 knts Storm direction: 267.6 at 9.9 knts Shear (0-3000m) pos: 2.5 neg: 0.9 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 59.3 deg Storm rel helicity (0-3000m) pos: 33.8 neg: -2.1 tot: 31.7 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.6 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 35.54 Bulk Shear: 19.22 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 ------------------------------------------------------------------------------- 500 172 4 110 11| 6.1 0.0 6.1| 16.5 0.0 16.5 33.0 0.54| 10.4 5.6 1000 210 6 123 8| 4.5 0.0 4.5| 21.8 -1.0 20.8 20.8 0.52| 7.6 4.0 1500 226 7 129 7| 4.1 0.0 4.1| 24.7 -1.6 23.2 15.4 0.54| 6.5 3.5 2000 233 8 141 6| 3.8 0.0 3.8| 29.5 -1.6 27.9 14.0 0.55| 6.5 3.5 2500 244 9 151 4| 3.0 0.0 3.0| 33.7 -1.8 31.9 12.8 0.60| 6.5 3.9 3000 251 9 158 3| 2.5 0.9 3.3| 33.8 -2.1 31.7 10.6 0.40| 6.6 2.6 4000 245 10 166 4| 2.4 1.3 3.7| 46.6 -2.4 44.2 11.0 0.42| 6.6 2.8 5000 240 12 183 6| 1.8 1.3 3.1| 60.3 -6.2 54.1 10.8 0.40| 6.3 2.5 6000 238 13 191 7| 1.6 1.5 3.1| 70.2 -33.9 36.3 6.0 0.27| 6.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250630.12.gif