UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 11 OCT 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 1012 98 9.4 7.5 88 1.9 8.4 320 5 281.6 282.7 281.0 299.3 6.43 1 1005 152 8.6 6.9 89 1.7 7.7 337 6 281.3 282.4 280.6 298.4 6.21 2 1000 190 9.8 7.0 83 2.8 8.3 350 6 283.0 284.0 281.5 300.3 6.29 3 998 207 10.4 7.3 81 3.1 8.8 350 6 283.7 284.8 282.0 301.5 6.43 4 992 257 11.0 7.2 77 3.8 9.0 350 5 284.8 285.9 282.5 302.7 6.43 5 981 350 11.0 8.3 83 2.7 9.5 15 5 285.7 286.9 283.5 305.3 7.01 6 971 436 12.0 10.0 88 2.0 10.9 61 4 287.6 289.0 285.2 309.8 7.96 7 962 514 11.6 10.1 90 1.5 10.7 103 4 287.9 289.3 285.5 310.6 8.09 8 958 549 11.4 8.6 83 2.8 9.8 122 3 288.1 289.3 284.8 308.7 7.33 9 945 664 10.8 6.2 73 4.6 8.3 160 3 288.6 289.7 284.0 306.4 6.30 10 935 752 10.0 5.5 74 4.5 7.6 167 3 288.6 289.7 283.7 305.8 6.06 11 925 842 9.4 5.9 79 3.5 7.5 175 3 288.9 290.0 284.1 306.8 6.30 12 896 1106 7.4 7.4 100 0.0 7.4 190 8 289.5 290.8 285.3 310.0 7.22 13 884 1217 6.8 6.8 100 0.0 6.8 190 11 290.0 291.2 285.3 309.9 7.02 14 882 1235 7.6 6.9 95 0.7 7.2 192 11 291.0 292.3 285.8 311.2 7.09 15 871 1339 7.8 5.2 84 2.6 6.4 202 12 292.3 293.4 285.5 310.6 6.37 16 865 1396 7.8 4.1 77 3.7 5.9 207 12 292.8 293.9 285.3 310.0 5.94 17 854 1501 7.2 3.8 79 3.4 5.4 218 13 293.3 294.3 285.4 310.3 5.89 18 850 1540 7.0 4.1 82 2.9 5.5 205 16 293.5 294.6 285.7 311.0 6.04 19 814 1893 4.0 3.2 95 0.8 3.6 203 14 294.0 295.0 285.7 311.2 5.92 20 813 1903 4.0 2.7 91 1.3 3.4 205 14 294.1 295.1 285.5 310.7 5.72 21 804 1994 6.4 -18.6 15 25.0 -1.7 217 11 297.5 297.7 281.8 301.0 1.09 22 800 2035 7.6 -36.4 3 44.0 -2.5 222 10 299.3 299.3 281.3 300.0 0.21 23 797 2066 8.0 -35.0 3 43.0 -2.2 226 9 300.0 300.0 281.7 300.8 0.24 24 700 3126 3.2 -38.8 3 42.0 -5.8 190 9 306.0 306.1 284.1 306.7 0.19 25 627 4012 -0.7 -41.7 3 41.0 -8.7 238 11 311.4 311.4 286.0 311.9 0.16 26 538 5215 -9.1 -36.1 9 27.0 -14.4 230 19 315.3 315.3 287.6 316.4 0.33 27 522 5449 -9.5 -38.5 7 29.0 -14.9 226 21 317.5 317.6 288.2 318.5 0.26 28 500 5780 -11.5 -40.5 7 29.0 -16.5 230 19 319.0 319.1 288.7 319.8 0.22 29 464 6347 -15.5 -46.5 5 31.0 -19.7 250 21 320.9 321.0 289.2 321.4 0.13 30 462 6380 -15.3 -49.3 4 34.0 -19.7 251 21 321.6 321.6 289.3 321.9 0.09 31 445 6662 -16.9 -47.9 5 31.0 -20.9 263 23 323.0 323.0 289.8 323.5 0.11 32 405 7359 -22.9 -42.9 14 20.0 -25.5 252 21 324.1 324.1 290.2 324.9 0.21 33 400 7450 -23.7 -42.7 16 19.0 -26.1 250 21 324.2 324.2 290.3 325.0 0.22 34 388 7672 -24.9 -48.9 9 24.0 -27.3 249 23 325.4 325.5 290.5 325.9 0.12 35 364 8131 -28.7 -49.7 11 21.0 -30.6 242 29 326.4 326.4 290.8 326.8 0.11 36 359 8230 -28.3 -50.3 10 22.0 -30.3 240 30 328.2 328.2 291.3 328.6 0.11 37 339 8638 -31.7 -45.7 24 14.0 -33.0 242 42 329.0 329.0 291.6 329.7 0.19 38 334 8742 -31.9 -40.9 41 9.0 -32.9 243 45 330.1 330.2 292.1 331.3 0.32 39 331 8806 -32.5 -40.5 45 8.0 -33.4 243 47 330.2 330.2 292.1 331.4 0.34 40 310 9264 -36.1 -39.8 69 3.7 -36.5 243 61 331.4 331.4 292.5 332.8 0.39 41 304 9399 -37.1 -41.0 67 3.9 -37.5 241 65 331.8 331.9 292.6 333.1 0.35 42 300 9490 -37.9 -41.4 70 3.5 -38.2 240 69 332.0 332.0 292.6 333.2 0.34 43 295 9606 -38.9 -42.1 72 3.2 -39.2 240 70 332.1 332.2 292.6 333.4 0.32 44 276 10060 -42.9 -47.9 58 5.0 -43.2 238 74 332.7 332.8 292.6 333.5 0.18 45 271 10183 -43.9 -48.1 63 4.2 -44.2 237 75 333.0 333.1 292.7 333.7 0.18 46 268 10258 -44.5 -50.5 51 6.0 -44.8 237 76 333.2 333.2 292.7 333.8 0.14 47 266 10308 -45.1 -49.7 60 4.6 -45.3 237 76 333.1 333.1 292.7 333.7 0.15 48 265 10333 -45.3 -51.3 51 6.0 -45.6 237 76 333.1 333.1 292.7 333.6 0.13 49 264 10359 -45.5 -50.5 57 5.0 -45.7 236 77 333.2 333.2 292.7 333.7 0.14 50 263 10384 -45.7 -51.7 51 6.0 -46.0 236 77 333.3 333.3 292.7 333.7 0.12 51 256 10563 -47.5 -51.8 61 4.3 -47.7 236 79 333.2 333.2 292.7 333.7 0.13 52 251 10694 -48.7 -54.7 50 6.0 -48.9 235 80 333.3 333.3 292.7 333.6 0.09 53 250 10720 -48.9 -53.9 56 5.0 -49.1 235 80 333.4 333.4 292.7 333.8 0.10 54 248 10772 -49.5 -54.0 59 4.5 -49.7 235 81 333.2 333.3 292.7 333.6 0.10 55 243 10904 -50.5 -56.5 49 6.0 -50.7 235 82 333.7 333.7 292.8 334.0 0.08 56 240 10985 -50.8 -57.7 44 6.9 -51.0 235 83 334.4 334.4 293.0 334.6 0.07 57 200 12150 -55.7 -75.7 7 20.0 -55.9 245 60 344.6 344.6 295.4 344.6 0.01 58 150 13960 -59.9 -81.9 4 22.0 -60.1 240 53 366.9 366.9 300.0 366.9 0.00 59 125 15088 -64.5 -85.5 4 21.0 -64.6 260 47 378.2 378.2 301.9 378.2 0.00 60 100 16450 -65.5 -86.5 4 21.0 -65.7 295 41 401.2 401.2 305.3 401.2 0.00 61 96 16699 -65.9 -86.9 4 21.0 -66.0 295 41 405.1 405.1 305.9 405.1 0.00 62 91 17025 -64.3 -87.3 3 23.0 -64.5 299 30 414.5 414.5 307.0 414.5 0.00 63 81 17735 -66.7 -87.7 4 21.0 -66.8 278 24 423.6 423.6 308.2 423.6 0.00 64 72 18449 -66.5 -89.5 3 23.0 -66.7 301 20 438.6 438.6 309.7 438.6 0.00 65 70 18620 -65.3 -89.3 2 24.0 -65.5 270 6 444.7 444.7 310.3 444.7 0.00 66 65 19068 -66.1 -89.1 3 23.0 -66.3 267 8 452.5 452.5 311.1 452.5 0.00 67 62 19355 -63.9 -88.9 2 25.0 -64.2 289 10 463.5 463.5 312.1 463.5 0.00 68 57 19870 -62.9 -88.9 2 26.0 -63.3 292 18 477.0 477.0 313.2 477.1 0.00 69 56 19978 -63.1 -89.1 2 26.0 -63.4 296 20 479.0 479.0 313.4 479.0 0.00 70 51 20557 -59.5 -87.5 1 28.0 -60.1 273 12 500.4 500.4 315.0 500.4 0.00 71 50 20680 -60.5 -87.5 2 27.0 -61.0 250 9 500.9 500.9 315.0 500.9 0.00 72 49 20806 -61.1 -88.1 2 27.0 -61.6 308 12 502.4 502.4 315.1 502.4 0.00 73 48 20935 -59.5 -87.5 1 28.0 -60.2 271 14 509.2 509.2 315.6 509.2 0.00 74 44 21480 -59.3 -87.3 1 28.0 -60.0 268 11 522.5 522.5 316.5 522.5 0.00 75 36 22736 -60.1 -88.1 1 28.0 -60.9 271 10 551.3 551.3 318.2 551.3 0.00 76 35 22913 -57.7 -87.7 1 30.0 -58.7 265 12 562.0 562.0 318.8 562.0 0.01 77 33 23286 -56.3 -86.3 1 30.0 -57.6 287 16 575.3 575.3 319.4 575.3 0.01 78 30 23890 -57.5 -86.5 1 29.0 -58.7 210 8 587.9 587.9 320.0 587.9 0.01 79 29 24104 -58.3 -87.3 1 29.0 -59.5 220 6 591.4 591.4 320.2 591.5 0.01 80 27 24558 -54.5 -85.5 1 31.0 -56.3 223 14 614.3 614.3 321.2 614.4 0.01 81 23 25591 -52.1 -85.1 1 33.0 -54.7 295 14 650.2 650.2 322.7 650.3 0.01 82 21 26182 -50.9 -83.9 1 33.0 -54.0 265 9 670.9 671.0 323.4 671.1 0.02 83 20 26500 -49.9 -83.9 1 34.0 -53.4 285 25 683.4 683.4 323.9 683.6 0.02 84 19 26836 -48.9 -82.9 1 34.0 -52.8 273 19 696.6 696.7 324.3 696.8 0.02 85 16 27958 -50.5 -83.5 1 33.0 -54.4 275 15 726.5 726.5 325.3 726.7 0.02 86 15 28381 -47.9 -82.9 1 35.0 -52.9 251 12 748.7 748.7 325.9 748.9 0.03 87 14 28834 -49.5 -83.5 1 34.0 -54.1 258 13 758.2 758.2 326.1 758.4 0.03 88 13 29321 -47.1 -83.1 1 36.0 -52.9 272 15 782.7 782.8 326.8 783.0 0.03 89 12 29852 -46.1 -82.1 1 36.0 -52.6 255 25 804.4 804.4 327.4 804.8 0.04 90 11 30433 -43.7 -81.7 1 38.0 -51.7 250 23 833.4 833.4 328.0 833.8 0.05 91 10 31070 -45.7 -81.7 1 36.0 -53.1 250 15 849.0 849.0 328.4 849.4 0.05 92 9.9 31137 -46.1 -82.1 1 36.0 -53.3 849.9 849.9 328.4 850.4 0.05 93 8.5 32160 -42.1 -81.1 1 39.0 -52.0 903.4 903.5 329.5 904.1 0.07 94 7.5 33002 -44.9 -81.9 1 37.0 -53.8 925.0 925.0 329.9 925.7 0.06 TRP 125 15088 -64.5 -85.5 4 21.0 -64.6 260 47 378.2 378.2 301.9 378.2 0.00 WND 240 10985 -50.8 -57.7 44 6.9 -51.0 235 83 334.4 334.4 293.0 334.6 0.07 Sounding variables and indices 1000-500 mb thick: 5590.00 m Freezing level: 640.10 mb = 3852.72 m = 12640.00 ft Wetbulb zero: 807.00 mb = 1963.77 m = 6442.73 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 30.50 % Est. max temperature: 20.82 C = 69.48 F Sfc-Lift cond lev (LCL): 983.19 mb = 331.73 m = 1088.34 ft T: 11.00 C 700-500 lapse rate: 5.54 C/km ThetaE index: 11.17 C Layer 813.0- 797.0 mb Conv cond level (CCL): 829.47 mb = 1739.65 m = 5707.44 ft Mean mixing ratio: 6.75 g/kg Conv temperature: 21.60 C = 70.89 F Cap Strength: 12.98 C Lifted Index: 13.50 C Risk: None Lifted Index @300 mb: 18.68 C Lifted Index @700 mb: 9.45 C Showalter Index: 10.22 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: 15.60 C K Index: -19.40 Risk: None Sweat Index: 178.03 Risk: None Energy Index: 1.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.64 J/kg Max Up Vert Vel: 7.57 m/s Conv Inhibition (B-): 72574.02 J/kg Cap Strength: 13.30 C Lift Cond Lev (LCL): 918.06 mb = 904.31 m = 2966.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 9 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 1012 98 320 5 3.2 -3.8 | 37 8 -5.0 -6.7 1 1000 190 350 6 1.0 -5.9 | 39 11 -7.2 -8.8 2 986 305 350 5 0.9 -4.9 | 43 11 -7.4 -7.8 3 951 610 155 3 -1.3 2.7 | 89 10 -9.5 -0.2 4 925 842 175 3 -0.3 3.0 | 91 9 -8.5 0.1 5 917 914 190 4 0.7 3.9 | 98 8 -7.6 1.1 6 884 1219 190 11 1.9 10.8 | 141 10 -6.3 7.9 7 852 1524 220 13 8.4 10.0 | 181 7 0.1 7.1 8 850 1540 205 16 6.8 14.5 | 173 12 -1.5 11.6 9 820 1829 195 16 4.1 15.5 | 162 13 -4.1 12.6 10 790 2134 235 7 5.7 4.0 | 114 3 -2.5 1.1 11 761 2438 205 7 3.0 6.3 | 123 6 -5.3 3.5 12 734 2743 175 11 -1.0 11.0 | 131 12 -9.2 8.1 13 700 3126 190 9 1.6 8.9 | 132 9 -6.7 6.0 14 654 3658 235 8 6.6 4.6 | 135 2 -1.7 1.7 15 606 4267 240 13 11.3 6.5 | 220 5 3.0 3.6 16 561 4877 235 16 13.1 9.2 | 218 8 4.9 6.3 17 519 5486 225 21 14.8 14.8 | 209 14 6.6 12.0 18 500 5780 230 19 14.6 12.2 | 214 11 6.3 9.3 19 479 6096 240 20 17.3 10.0 | 232 12 9.1 7.1 20 442 6706 265 23 22.9 2.0 | 273 15 14.7 -0.9 21 400 7450 250 21 19.7 7.2 | 249 12 11.5 4.3 22 391 7620 250 22 20.7 7.5 | 250 13 12.4 4.6 23 358 8230 240 30 26.0 15.0 | 236 21 17.7 12.1 24 315 9144 245 58 52.6 24.5 | 244 49 44.3 21.6 25 302 9449 240 66 57.2 33.0 | 238 57 48.9 30.1 26 300 9490 240 69 59.8 34.5 | 238 60 51.5 31.6 27 250 10720 235 80 65.5 45.9 | 233 72 57.3 43.0 28 240 10985 235 83 68.0 47.6 | 233 75 59.7 44.7 29 229 11278 235 83 68.0 47.6 | 233 75 59.7 44.7 30 200 12150 245 60 54.4 25.4 | 244 51 46.1 22.5 31 199 12192 240 64 55.4 32.0 | 238 55 47.2 29.1 32 180 12802 240 35 30.3 17.5 | 236 26 22.1 14.6 33 164 13411 230 51 39.1 32.8 | 226 43 30.8 29.9 34 150 13960 240 53 45.9 26.5 | 238 44 37.6 23.6 35 149 14021 240 53 45.9 26.5 | 238 44 37.6 23.6 36 125 15088 260 47 46.3 8.2 | 262 38 38.0 5.3 37 122 15240 255 44 42.5 11.4 | 256 35 34.2 8.5 38 100 16450 295 41 37.2 -17.3 | 305 35 28.9 -20.2 39 95 16764 295 41 37.2 -17.3 | 305 35 28.9 -20.2 40 90 17069 300 28 24.2 -14.0 | 317 23 16.0 -16.9 41 78 17983 270 22 22.0 -0.0 | 282 14 13.7 -2.9 42 74 18288 290 23 21.6 -7.9 | 309 17 13.4 -10.8 43 70 18593 310 18 13.8 -11.6 | 339 15 5.5 -14.5 44 70 18620 270 6 6.0 -0.0 | 38 4 -2.3 -2.9 45 67 18898 270 6 6.0 -0.0 | 38 4 -2.3 -2.9 46 64 19202 265 10 10.0 0.9 | 320 3 1.7 -2.0 47 61 19507 310 10 7.7 -6.4 | 4 9 -0.6 -9.3 48 58 19812 290 17 16.0 -5.8 | 318 12 7.7 -8.7 49 55 20117 300 22 19.1 -11.0 | 322 18 10.8 -13.9 50 52 20422 300 15 13.0 -7.5 | 335 11 4.7 -10.4 51 50 20680 250 9 8.5 3.1 | 227 0 0.2 0.2 52 50 20726 330 10 5.0 -8.7 | 16 12 -3.3 -11.5 53 47 21031 245 16 14.5 6.8 | 238 7 6.2 3.9 54 45 21336 270 9 9.0 -0.0 | 346 3 0.7 -2.9 55 43 21641 265 14 13.9 1.2 | 286 6 5.7 -1.7 56 41 21946 245 19 17.2 8.0 | 240 10 9.0 5.1 57 39 22250 270 16 16.0 -0.0 | 290 8 7.7 -2.9 58 37 22555 290 10 9.4 -3.4 | 350 6 1.1 -6.3 59 35 22860 260 10 9.8 1.7 | 306 2 1.6 -1.2 60 34 23165 285 18 17.4 -4.7 | 310 12 9.1 -7.5 61 32 23470 290 14 13.2 -4.8 | 327 9 4.9 -7.7 62 30 23890 210 8 4.0 6.9 | 134 6 -4.3 4.0 63 29 24079 220 5 3.2 3.8 | 101 5 -5.0 0.9 64 28 24384 220 12 7.7 9.2 | 175 6 -0.5 6.3 65 26 24689 225 15 10.6 10.6 | 197 8 2.4 7.7 66 25 24994 300 14 12.1 -7.0 | 339 11 3.9 -9.9 67 24 25298 300 23 19.9 -11.5 | 321 19 11.7 -14.4 68 23 25603 295 14 12.7 -5.9 | 333 10 4.4 -8.8 69 22 25908 265 10 10.0 0.9 | 320 3 1.7 -2.0 70 21 26213 265 9 9.0 0.8 | 341 2 0.7 -2.1 71 20 26500 285 25 24.1 -6.5 | 300 18 15.9 -9.4 72 20 26518 285 16 15.5 -4.1 | 314 10 7.2 -7.0 73 19 26822 270 18 18.0 -0.0 | 287 10 9.7 -2.9 74 18 27127 325 30 17.2 -24.6 | 342 29 9.0 -27.5 75 17 27432 330 27 13.5 -23.4 | 349 27 5.2 -26.3 76 17 27737 325 23 13.2 -18.8 | 347 22 4.9 -21.7 77 16 28042 260 13 12.8 2.3 | 278 5 4.5 -0.6 78 14 28651 245 12 10.9 5.1 | 230 3 2.6 2.2 79 13 29261 285 16 15.5 -4.1 | 314 10 7.2 -7.0 80 13 29566 235 14 11.5 8.0 | 212 6 3.2 5.1 81 12 29870 255 25 24.1 6.5 | 257 16 15.9 3.6 82 11 30175 250 27 25.4 9.2 | 250 18 17.1 6.3 83 10 31070 250 15 14.1 5.1 | 249 6 5.8 2.2 Wind Parameters Mean winds (0-6000m): 220.7 at 11.7 knts Storm direction: 250.7 at 8.7 knts Shear (0-3000m) pos: 1.4 neg: 2.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 95.1 deg Storm rel helicity (0-3000m) pos: 65.6 neg: -11.5 tot: 54.1 m^2/s^2 ave: 18.0 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.95 Bulk Shear: 30.25 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 ------------------------------------------------------------------------------- 500 352 5 45 11| 0.0 8.3 8.3| 32.2 0.0 32.2 64.4 0.71| 15.3 10.8 1000 207 4 100 6| 3.2 4.1 7.4| 43.9 0.0 43.9 43.9 0.74| 11.2 8.3 1500 203 7 122 7| 4.9 2.8 7.7| 61.4 -2.4 58.9 39.3 0.64| 12.0 7.7 2000 203 9 136 7| 2.1 2.1 4.2| 62.9 -10.3 52.6 26.3 0.40| 12.3 4.9 2500 205 8 135 7| 1.7 2.9 4.6| 65.2 -11.1 54.1 21.6 0.36| 11.2 4.0 3000 199 9 135 8| 1.4 2.4 3.8| 65.6 -11.5 54.1 18.0 0.33| 10.3 3.3 4000 206 9 139 7| 2.1 1.8 3.9| 69.8 -11.6 58.2 14.6 0.34| 9.0 3.0 5000 216 10 156 6| 1.7 1.7 3.4| 70.7 -13.2 57.6 11.5 0.31| 7.9 2.4 6000 221 12 174 6| 1.7 1.6 3.3| 85.0 -16.7 68.3 11.4 0.31| 7.4 2.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251011.12.gif