UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061212.upa.cvt Date: 1200Z 12 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 12 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 1009 98 20.0 18.5 91 1.5 19.0 255 4 292.4 294.8 291.8 330.4 13.40 1 1004 136 21.6 15.6 69 6.0 17.7 277 6 294.4 296.4 290.7 326.4 11.16 2 1000 167 22.0 15.0 64 7.0 17.5 295 7 295.1 297.1 290.6 326.1 10.78 3 986 290 24.2 13.2 50 11.0 17.1 304 8 298.6 300.3 290.8 326.9 9.71 4 925 845 20.0 13.0 64 7.0 15.5 310 25 299.8 301.6 291.6 329.7 10.22 5 906 1024 19.0 12.0 64 7.0 14.6 312 24 300.5 302.3 291.5 329.3 9.77 6 898 1100 19.2 8.2 49 11.0 12.6 313 22 301.5 302.9 290.0 324.1 7.61 7 892 1158 20.0 -2.0 23 22.0 8.9 314 20 302.9 303.6 286.8 314.2 3.70 8 887 1206 20.0 -5.0 18 25.0 8.0 315 18 303.4 303.9 286.2 312.6 2.97 9 850 1572 17.6 -5.4 20 23.0 6.6 305 14 304.6 305.1 286.7 313.9 3.00 10 819 1888 15.6 -6.4 21 22.0 5.4 294 12 305.7 306.3 287.0 314.8 2.89 11 791 2182 13.4 -5.6 26 19.0 4.5 286 12 306.4 307.0 287.5 316.4 3.18 12 786 2235 13.2 -1.8 35 15.0 5.6 281 11 306.8 307.6 288.7 320.0 4.26 13 779 2310 12.6 -1.4 38 14.0 5.4 274 11 306.9 307.7 288.9 320.6 4.43 14 707 3113 5.2 1.1 75 4.1 3.0 256 12 307.4 308.5 290.4 325.4 5.87 15 702 3171 5.6 -0.4 65 6.0 2.5 266 12 308.4 309.4 290.2 324.8 5.30 16 700 3194 5.4 -0.6 65 6.0 2.3 270 12 308.5 309.4 290.2 324.7 5.23 17 690 3311 5.2 -3.8 52 9.0 0.8 281 11 309.5 310.3 289.5 322.6 4.18 18 677 3466 4.4 -2.6 60 7.0 0.9 294 12 310.3 311.2 290.2 324.9 4.67 19 659 3685 3.0 -4.0 60 7.0 -0.4 310 13 311.1 311.9 290.2 324.7 4.32 20 624 4125 0.4 -10.6 43 11.0 -4.1 312 13 313.1 313.6 289.3 321.9 2.73 21 622 4150 0.2 -7.8 55 8.0 -3.3 313 14 313.1 313.8 290.0 324.0 3.42 22 618 4202 0.0 -12.0 40 12.0 -4.8 316 14 313.5 313.9 289.2 321.5 2.46 23 608 4333 -0.9 -8.9 55 8.0 -4.3 317 14 313.9 314.5 290.0 324.2 3.21 24 604 4385 -1.3 -10.3 50 9.0 -5.0 313 14 314.0 314.6 289.8 323.4 2.89 25 601 4425 -1.5 -14.5 36 13.0 -6.4 311 13 314.2 314.6 289.0 321.0 2.07 26 595 4505 -2.3 -14.3 39 12.0 -6.8 306 12 314.2 314.6 289.1 321.2 2.12 27 593 4531 -2.5 -9.5 59 7.0 -5.4 304 12 314.3 314.9 290.1 324.4 3.14 28 584 4652 -3.7 -9.7 63 6.0 -6.2 293 11 314.3 314.9 290.1 324.4 3.14 29 576 4761 -3.5 -13.5 46 10.0 -7.3 280 12 315.7 316.2 289.8 323.4 2.34 30 575 4775 -3.5 -13.5 46 10.0 -7.3 279 12 315.9 316.3 289.9 323.6 2.35 31 569 4858 -3.7 -20.7 25 17.0 -9.1 269 12 316.6 316.9 289.0 321.0 1.29 32 566 4900 -3.7 -20.7 25 17.0 -9.1 265 12 317.1 317.3 289.2 321.5 1.30 33 557 5026 -4.7 -17.7 35 13.0 -9.1 268 14 317.4 317.7 289.7 323.1 1.71 34 553 5083 -4.5 -25.5 18 21.0 -10.4 269 15 318.2 318.4 289.1 321.3 0.87 35 550 5126 -4.7 -28.7 13 24.0 -10.9 270 16 318.5 318.6 289.0 320.8 0.65 36 543 5226 -5.5 -25.5 19 20.0 -11.1 272 18 318.7 318.9 289.3 321.8 0.88 37 539 5284 -5.7 -30.7 12 25.0 -11.8 274 19 319.2 319.3 289.1 321.1 0.55 38 506 5777 -7.9 -38.9 6 31.0 -14.0 285 28 322.3 322.4 289.8 323.3 0.26 39 500 5870 -8.1 -38.1 7 30.0 -14.1 280 29 323.2 323.2 290.0 324.2 0.29 40 499 5886 -8.3 -38.3 7 30.0 -14.3 280 29 323.1 323.2 290.0 324.2 0.28 41 469 6364 -11.3 -38.3 9 27.0 -16.4 281 28 325.2 325.2 290.6 326.3 0.30 42 409 7396 -20.3 -42.3 12 22.0 -23.4 284 26 326.5 326.6 291.0 327.4 0.23 43 400 7560 -21.7 -41.7 15 20.0 -24.5 285 26 326.8 326.8 291.0 327.7 0.25 44 380 7935 -25.5 -41.5 21 16.0 -27.5 285 27 326.6 326.7 291.0 327.6 0.26 45 378 7973 -25.9 -38.9 28 13.0 -27.7 284 27 326.6 326.6 291.1 327.9 0.35 46 374 8050 -26.5 -40.5 25 14.0 -28.3 282 27 326.8 326.8 291.1 327.9 0.30 47 363 8266 -27.5 -48.5 12 21.0 -29.6 277 28 328.2 328.3 291.3 328.7 0.13 48 361 8306 -27.9 -48.9 12 21.0 -29.9 276 28 328.2 328.2 291.3 328.7 0.12 49 350 8527 -29.1 -52.1 9 23.0 -31.0 271 28 329.5 329.5 291.7 329.9 0.09 50 301 9587 -37.7 -56.7 12 19.0 -38.7 270 37 331.9 331.9 292.3 332.2 0.06 51 300 9610 -37.9 -54.9 15 17.0 -38.9 270 37 332.0 332.0 292.3 332.2 0.07 52 299 9633 -37.9 -49.9 27 12.0 -38.7 269 37 332.3 332.3 292.4 332.8 0.13 53 294 9748 -39.1 -47.1 42 8.0 -39.7 267 36 332.2 332.2 292.5 332.9 0.19 54 293 9772 -39.3 -49.3 34 10.0 -39.9 266 36 332.2 332.2 292.4 332.8 0.15 55 290 9842 -39.7 -46.7 47 7.0 -40.2 265 35 332.6 332.7 292.6 333.4 0.20 56 288 9889 -39.9 -52.9 24 13.0 -40.6 264 35 333.0 333.0 292.6 333.4 0.10 57 250 10840 -45.7 -52.7 45 7.0 -46.0 285 49 338.1 338.1 294.0 338.6 0.12 58 200 12290 -57.1 -64.1 41 7.0 -57.2 305 73 342.3 342.3 294.9 342.5 0.03 59 185 12777 -60.6 -66.9 43 6.4 -60.7 305 81 344.4 344.5 295.4 344.6 0.03 60 152 13971 -69.3 -74.1 50 4.8 -69.4 285 61 349.4 349.4 296.5 349.4 0.01 61 150 14050 -69.3 -74.3 48 5.0 -69.4 285 61 350.7 350.7 296.8 350.8 0.01 62 100 16520 -64.5 -86.5 3 22.0 -64.7 290 33 403.1 403.1 305.6 403.1 0.00 63 87 17372 -63.3 -87.3 2 24.0 -63.5 265 22 421.9 421.9 307.9 421.9 0.00 64 81 17814 -59.9 -86.9 2 27.0 -60.3 284 25 437.6 437.6 309.6 437.6 0.00 65 70 18720 -61.7 -87.7 2 26.0 -62.0 260 8 452.4 452.4 311.1 452.4 0.00 66 66 19087 -59.5 -86.5 2 27.0 -60.0 256 10 464.9 464.9 312.2 464.9 0.00 67 63 19378 -60.3 -86.3 2 26.0 -60.7 281 11 469.3 469.3 312.6 469.3 0.00 68 54 20345 -57.9 -85.9 2 28.0 -58.6 300 4 496.0 496.0 314.7 496.0 0.00 69 50 20830 -58.7 -86.7 2 28.0 -59.4 40 8 505.2 505.2 315.3 505.2 0.00 70 46 21353 -59.5 -86.5 2 27.0 -60.2 43 8 515.4 515.4 316.0 515.4 0.00 71 41 22076 -58.5 -86.5 2 28.0 -59.3 95 18 535.1 535.2 317.2 535.2 0.01 72 37 22726 -55.5 -85.5 1 30.0 -56.8 131 4 558.8 558.8 318.6 558.8 0.01 73 32 23655 -54.5 -84.5 1 30.0 -56.1 6 8 585.2 585.2 319.9 585.2 0.01 74 30 24070 -52.5 -83.5 1 31.0 -54.5 75 19 601.5 601.5 320.7 601.6 0.01 75 27 24747 -54.1 -84.1 1 30.0 -56.0 99 22 615.4 615.4 321.3 615.5 0.01 76 24 25505 -52.3 -83.3 1 31.0 -54.8 82 15 641.7 641.7 322.4 641.9 0.02 77 22 26065 -53.9 -84.9 1 31.0 -56.2 72 17 653.1 653.1 322.8 653.2 0.01 78 20 26680 -51.1 -83.1 1 32.0 -54.2 65 19 679.8 679.8 323.7 679.9 0.02 79 18 27370 -47.1 -82.1 1 35.0 -51.8 78 18 713.2 713.2 324.8 713.4 0.03 80 16 28151 -45.9 -80.9 1 35.0 -51.4 100 21 741.5 741.5 325.7 741.8 0.04 81 14 29046 -42.5 -79.5 1 37.0 -50.0 57 13 781.9 781.9 326.8 782.4 0.05 82 12 30081 -44.7 -80.7 1 36.0 -51.8 66 23 809.4 809.4 327.5 809.8 0.05 83 10 31310 -40.9 -78.9 1 38.0 -50.7 90 28 866.9 866.9 328.8 867.7 0.08 84 8.0 32848 -34.7 -76.7 1 42.0 -49.2 93 25 948.7 948.7 330.4 950.3 0.14 85 7.3 33487 -34.5 -76.5 1 42.0 -49.7 94 24 974.7 974.7 330.8 976.5 0.16 86 7.0 33780 -35.1 -77.1 1 42.0 -50.1 95 23 983.9 984.0 330.9 985.7 0.15 87 6.8 33982 -34.5 -77.5 0 43.0 -50.1 994.6 994.7 331.1 996.4 0.15 TRP 152 13971 -69.3 -74.1 50 4.8 -69.4 285 61 349.4 349.4 296.5 349.4 0.01 WND 185 12777 -60.6 -66.9 43 6.4 -60.7 305 81 344.4 344.5 295.4 344.6 0.03 Sounding variables and indices 1000-500 mb thick: 5703.00 m Freezing level: 618.00 mb = 4202.11 m = 13786.29 ft Wetbulb zero: 664.45 mb = 3618.22 m = 11870.67 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 41.43 % Est. max temperature: 31.92 C = 89.45 F Sfc-Lift cond lev (LCL): 987.24 mb = 279.00 m = 915.35 ft T: 24.00 C 700-500 lapse rate: 5.04 C/km ThetaE index: 17.17 C Layer 906.0- 850.0 mb Conv cond level (CCL): 750.52 mb = 2618.22 m = 8589.86 ft Mean mixing ratio: 10.16 g/kg Conv temperature: 34.75 C = 94.55 F Cap Strength: 5.84 C Lifted Index: 4.01 C Risk: None Lifted Index @300 mb: 3.51 C Lifted Index @700 mb: 1.75 C Showalter Index: 11.80 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 2.70 C K Index: 14.30 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.38 J/kg Max Up Vert Vel: 5.90 m/s Conv Inhibition (B-): 67363.79 J/kg Cap Strength: 5.84 C Lift Cond Lev (LCL): 847.41 mb = 1597.99 m = 5242.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 11 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 1009 98 255 4 3.9 1.0 | 162 10 -3.3 9.9 1 1000 167 295 7 6.3 -3.0 | 172 6 -0.8 5.9 2 984 305 305 8 6.6 -4.6 | 172 4 -0.6 4.3 3 950 610 305 16 13.1 -9.2 | 273 6 5.9 -0.3 4 925 845 310 25 19.2 -16.1 | 301 14 12.0 -7.2 5 918 914 310 27 20.7 -17.4 | 302 16 13.5 -8.5 6 886 1219 315 18 12.7 -12.7 | 305 7 5.6 -3.8 7 855 1524 315 16 11.3 -11.3 | 300 5 4.1 -2.4 8 850 1572 305 14 11.5 -8.0 | 259 4 4.3 0.9 9 824 1829 295 12 10.9 -5.1 | 224 5 3.7 3.8 10 795 2134 290 12 11.3 -4.1 | 221 6 4.1 4.8 11 766 2438 260 10 9.8 1.7 | 194 11 2.7 10.6 12 739 2743 250 11 10.3 3.8 | 194 13 3.2 12.7 13 712 3048 245 12 10.9 5.1 | 195 14 3.7 14.0 14 700 3194 270 12 12.0 -0.0 | 208 10 4.8 8.9 15 686 3353 285 11 10.6 -2.8 | 210 7 3.5 6.0 16 660 3658 310 13 10.0 -8.4 | 259 3 2.8 0.5 17 636 3962 305 12 9.8 -6.9 | 233 3 2.7 2.0 18 612 4267 320 15 9.6 -11.5 | 317 4 2.5 -2.6 19 589 4572 300 11 9.5 -5.5 | 215 4 2.4 3.4 20 567 4877 265 12 12.0 1.0 | 206 11 4.8 9.9 21 505 5791 285 28 27.0 -7.2 | 265 20 19.9 1.6 22 500 5870 280 29 28.6 -5.0 | 260 22 21.4 3.9 23 485 6096 280 28 27.6 -4.9 | 259 21 20.4 4.0 24 400 7560 285 26 25.1 -6.7 | 263 18 17.9 2.2 25 397 7620 285 27 26.1 -7.0 | 264 19 18.9 1.9 26 380 7925 285 27 26.1 -7.0 | 264 19 18.9 1.9 27 349 8534 270 28 28.0 -0.0 | 247 23 20.8 8.9 28 320 9144 275 33 32.9 -2.9 | 257 26 25.7 6.0 29 300 9610 270 37 37.0 -0.0 | 253 31 29.8 8.9 30 281 10058 260 34 33.5 5.9 | 241 30 26.3 14.8 31 250 10840 285 49 47.3 -12.7 | 275 40 40.2 -3.8 32 223 11582 295 60 54.4 -25.4 | 289 50 47.2 -16.5 33 200 12290 305 73 59.8 -41.9 | 302 62 52.6 -33.0 34 185 12777 305 81 66.4 -46.5 | 302 70 59.2 -37.6 35 175 13106 305 81 66.4 -46.5 | 302 70 59.2 -37.6 36 152 13971 285 61 58.9 -15.8 | 278 52 51.7 -6.9 37 150 14050 285 61 58.9 -15.8 | 278 52 51.7 -6.9 38 143 14326 285 61 58.9 -15.8 | 278 52 51.7 -6.9 39 136 14630 290 45 42.3 -15.4 | 280 36 35.1 -6.5 40 130 14935 265 37 36.9 3.2 | 248 32 29.7 12.1 41 123 15240 270 46 46.0 -0.0 | 257 40 38.8 8.9 42 117 15545 275 42 41.8 -3.7 | 261 35 34.7 5.2 43 112 15850 265 40 39.8 3.5 | 249 35 32.7 12.4 44 100 16520 290 33 31.0 -11.3 | 276 24 23.8 -2.4 45 96 16764 290 33 31.0 -11.3 | 276 24 23.8 -2.4 46 87 17374 265 22 21.9 1.9 | 234 18 14.7 10.8 47 83 17678 275 37 36.9 -3.2 | 259 30 29.7 5.7 48 79 17983 295 11 10.0 -4.6 | 213 5 2.8 4.2 49 75 18288 310 12 9.2 -7.7 | 240 2 2.0 1.2 50 70 18720 260 8 7.9 1.4 | 184 10 0.7 10.3 51 65 19202 255 10 9.7 2.6 | 192 12 2.5 11.5 52 62 19507 300 12 10.4 -6.0 | 228 4 3.2 2.9 53 56 20117 330 13 6.5 -11.3 | 16 2 -0.7 -2.4 54 53 20422 290 1 0.9 -0.3 | 144 11 -6.2 8.5 55 50 20830 40 8 -5.1 -6.1 | 103 13 -12.3 2.8 56 46 21336 45 8 -5.7 -5.7 | 104 13 -12.8 3.2 57 44 21641 20 10 -3.4 -9.4 | 87 11 -10.6 -0.5 58 42 21946 90 18 -18.0 0.0 | 109 27 -25.2 8.9 59 40 22250 100 18 -17.7 3.1 | 116 28 -24.9 12.0 60 38 22555 155 1 -0.4 0.9 | 142 12 -7.6 9.8 61 35 23165 75 11 -10.6 -2.8 | 109 19 -17.8 6.0 62 33 23470 25 4 -1.7 -3.6 | 121 10 -8.9 5.3 63 31 23774 355 10 0.9 -10.0 | 80 6 -6.3 -1.1 64 30 24070 75 19 -18.4 -4.9 | 99 26 -25.5 4.0 65 30 24079 50 13 -10.0 -8.4 | 92 17 -17.1 0.5 66 29 24384 70 17 -16.0 -5.8 | 98 23 -23.1 3.1 67 27 24689 95 23 -22.9 2.0 | 110 32 -30.1 10.9 68 26 24994 115 16 -14.5 6.8 | 126 27 -21.7 15.7 69 25 25298 85 14 -13.9 -1.2 | 110 22 -21.1 7.7 70 22 26213 70 17 -16.0 -5.8 | 98 23 -23.1 3.1 71 21 26518 85 13 -13.0 -1.1 | 111 22 -20.1 7.8 72 20 26680 65 19 -17.2 -8.0 | 92 24 -24.4 0.9 73 19 27127 65 17 -15.4 -7.2 | 94 23 -22.6 1.7 74 18 27432 80 18 -17.7 -3.1 | 103 26 -24.9 5.8 75 17 27737 100 32 -31.5 5.6 | 110 41 -38.7 14.4 76 16 28346 100 17 -16.7 3.0 | 116 27 -23.9 11.8 77 15 28651 115 10 -9.1 4.2 | 129 21 -16.2 13.1 78 14 28956 60 10 -8.7 -5.0 | 104 16 -15.8 3.9 79 14 29261 50 20 -15.3 -12.9 | 80 23 -22.5 -4.0 80 10 31310 90 28 -28.0 0.0 | 104 36 -35.2 8.9 81 7 33780 95 23 -22.9 2.0 | 110 32 -30.1 10.9 Wind Parameters Mean winds (0-6000m): 291.1 at 15.2 knts Storm direction: 321.1 at 11.4 knts Shear (0-3000m) pos: 3.4 neg: 3.2 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 37.9 deg Storm rel helicity (0-3000m) pos: 28.2 neg: -17.7 tot: 10.5 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.65 Bulk Shear: 4.76 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 ------------------------------------------------------------------------------- 500 302 10 196 4| 13.9 0.0 13.9| 9.4 -0.0 9.4 18.7 0.58| 14.6 8.5 1000 307 16 279 6| 10.2 0.0 10.2| 23.4 -0.0 23.4 23.4 0.45| 15.6 7.0 1500 310 17 286 6| 6.8 2.8 9.6| 23.6 -4.9 18.8 12.5 0.24| 13.6 3.3 2000 307 15 274 5| 5.1 2.9 8.0| 23.6 -8.6 15.1 7.5 0.15| 11.1 1.7 2500 302 15 257 5| 4.1 3.8 7.8| 23.7 -17.6 6.1 2.4 0.05| 10.4 0.6 3000 295 14 242 6| 3.4 3.2 6.6| 28.2 -17.7 10.5 3.5 0.07| 9.3 0.7 4000 295 14 238 6| 3.8 2.4 6.2| 39.9 -18.4 21.5 5.4 0.15| 8.9 1.3 5000 295 13 237 6| 3.1 2.8 5.9| 51.9 -24.9 27.1 5.4 0.11| 8.9 1.0 6000 291 15 244 8| 3.2 2.3 5.6| 98.1 -36.9 61.2 10.2 0.18| 8.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250612.12.gif