UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 28 NOV 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 1008 98 0.2 -10.8 43 11.0 -3.2 275 9 272.7 273.0 269.5 277.4 1.66 1 1005 119 0.4 -11.6 40 12.0 -3.3 279 16 273.2 273.4 269.7 277.6 1.56 2 1000 155 0.2 -11.8 40 12.0 -3.4 285 27 273.4 273.6 269.7 277.7 1.55 3 925 773 -5.1 -15.1 45 10.0 -7.7 295 39 274.1 274.3 269.8 277.7 1.28 4 886 1109 -7.9 -16.9 48 9.0 -10.1 306 42 274.6 274.8 269.8 277.9 1.15 5 850 1430 -10.9 -16.9 61 6.0 -12.3 310 41 274.7 274.9 270.0 278.2 1.20 6 805 1845 -14.9 -18.4 75 3.5 -15.6 310 37 274.8 275.0 269.9 278.0 1.11 7 740 2475 -20.3 -20.4 99 0.1 -20.3 327 22 275.6 275.8 270.2 278.6 1.02 8 724 2637 -21.1 -21.8 94 0.7 -21.2 311 26 276.4 276.6 270.6 279.1 0.92 9 719 2688 -21.3 -23.4 83 2.1 -21.7 306 27 276.8 276.9 270.6 279.2 0.81 10 717 2708 -20.3 -26.3 59 6.0 -21.2 304 28 278.1 278.2 271.1 280.0 0.62 11 716 2719 -20.3 -27.3 54 7.0 -21.3 303 28 278.2 278.3 271.1 279.9 0.57 12 714 2740 -19.1 -33.1 28 14.0 -20.9 300 29 279.7 279.8 271.6 280.8 0.33 13 712 2760 -18.9 -31.9 31 13.0 -20.6 299 30 280.2 280.3 271.9 281.3 0.37 14 700 2887 -19.1 -34.1 25 15.0 -21.0 295 37 281.3 281.4 272.5 282.3 0.30 15 695 2940 -19.3 -35.3 23 16.0 -21.2 296 37 281.7 281.7 272.6 282.6 0.27 16 688 3016 -19.5 -33.5 28 14.0 -21.2 296 38 282.3 282.3 273.1 283.3 0.33 17 681 3092 -19.7 -38.7 17 19.0 -21.7 297 38 282.9 282.9 273.2 283.5 0.20 18 678 3124 -19.9 -35.9 23 16.0 -21.8 297 38 283.0 283.1 273.4 283.9 0.26 19 672 3190 -20.3 -41.3 14 21.0 -22.4 298 39 283.3 283.3 273.3 283.8 0.15 20 669 3223 -20.5 -37.5 20 17.0 -22.4 299 39 283.4 283.5 273.5 284.2 0.23 21 665 3268 -20.5 -41.5 13 21.0 -22.5 299 39 283.9 283.9 273.7 284.4 0.15 22 664 3279 -20.5 -39.5 17 19.0 -22.5 299 39 284.0 284.1 273.8 284.7 0.19 23 630 3666 -23.3 -37.3 27 14.0 -24.8 295 36 285.1 285.2 274.5 285.9 0.25 24 622 3759 -23.9 -40.9 19 17.0 -25.5 294 36 285.5 285.5 274.6 286.1 0.17 25 602 3997 -25.9 -37.9 32 12.0 -27.1 290 37 285.9 285.9 274.9 286.7 0.24 26 597 4057 -26.5 -39.5 28 13.0 -27.7 289 37 285.9 285.9 274.9 286.5 0.21 27 594 4094 -26.7 -43.7 18 17.0 -28.0 288 37 286.0 286.1 274.8 286.5 0.13 28 587 4179 -26.9 -44.9 17 18.0 -28.2 287 37 286.8 286.8 275.2 287.2 0.12 29 583 4229 -26.9 -44.9 17 18.0 -28.3 286 37 287.3 287.4 275.5 287.7 0.12 30 512 5154 -33.1 -55.1 9 22.0 -34.1 285 41 290.7 290.7 277.1 290.9 0.04 31 500 5320 -34.5 -54.5 11 20.0 -35.4 285 43 291.0 291.0 277.2 291.1 0.05 32 490 5461 -35.5 -56.5 10 21.0 -36.3 281 47 291.4 291.4 277.4 291.6 0.04 33 470 5750 -36.7 -58.7 8 22.0 -37.5 271 55 293.4 293.4 278.4 293.5 0.03 34 468 5780 -36.5 -54.5 14 18.0 -37.2 270 56 294.0 294.1 278.7 294.2 0.05 35 459 5914 -37.3 -60.3 7 23.0 -38.1 270 56 294.7 294.7 279.0 294.8 0.02 36 455 5975 -37.5 -54.5 15 17.0 -38.2 270 55 295.2 295.2 279.3 295.4 0.05 37 449 6066 -37.5 -60.5 7 23.0 -38.2 270 55 296.3 296.3 279.7 296.4 0.02 38 419 6542 -38.7 -63.7 5 25.0 -39.4 267 61 300.7 300.7 281.7 300.7 0.02 39 400 6860 -39.9 -64.9 5 25.0 -40.6 265 66 303.1 303.1 282.7 303.2 0.02 40 379 7225 -41.5 -66.5 5 25.0 -42.1 270 72 305.7 305.7 283.7 305.8 0.01 41 353 7707 -40.1 -69.1 3 29.0 -40.9 270 80 313.9 313.9 286.7 313.9 0.01 42 300 8810 -41.5 -75.5 1 34.0 -42.3 270 88 326.9 326.9 290.8 326.9 0.00 43 292 8993 -41.3 -76.3 1 35.0 -42.2 270 88 329.7 329.7 291.6 329.7 0.00 44 250 10040 -44.1 -76.1 2 32.0 -44.8 270 91 340.5 340.5 294.4 340.5 0.00 45 247 10121 -44.3 -76.3 2 32.0 -45.0 270 93 341.4 341.4 294.7 341.4 0.00 46 200 11530 -48.1 -80.1 1 32.0 -48.7 265 89 356.6 356.6 298.0 356.6 0.00 47 189 11901 -48.7 -80.7 1 32.0 -49.3 268 88 361.5 361.5 299.0 361.5 0.00 48 180 12223 -46.5 -81.5 1 35.0 -47.3 270 87 370.1 370.1 300.6 370.1 0.00 49 150 13420 -50.5 -83.5 1 33.0 -51.1 260 53 383.1 383.1 302.8 383.1 0.00 50 144 13685 -51.5 -83.5 1 32.0 -52.1 260 52 385.8 385.8 303.2 385.8 0.00 51 139 13914 -51.5 -83.5 1 32.0 -52.1 235 53 389.7 389.7 303.8 389.7 0.00 52 122 14745 -58.9 -84.9 2 26.0 -59.2 220 65 391.0 391.0 303.9 391.1 0.00 53 112 15278 -61.5 -86.5 2 25.0 -61.7 232 72 395.9 395.9 304.6 395.9 0.00 54 110 15389 -61.5 -86.5 2 25.0 -61.7 237 74 397.9 397.9 304.9 397.9 0.00 55 108 15503 -60.9 -85.9 2 25.0 -61.2 243 77 401.1 401.1 305.3 401.1 0.00 56 104 15740 -55.5 -85.5 1 30.0 -56.0 255 83 415.8 415.8 307.2 415.8 0.00 57 100 15990 -55.7 -85.7 1 30.0 -56.2 265 73 420.1 420.1 307.7 420.1 0.00 58 96 16252 -53.7 -85.7 1 32.0 -54.4 268 68 428.9 429.0 308.7 429.0 0.00 59 91 16595 -54.7 -85.7 1 31.0 -55.3 269 54 433.6 433.6 309.2 433.6 0.00 60 89 16738 -53.5 -85.5 1 32.0 -54.2 262 51 438.7 438.7 309.7 438.8 0.00 61 81 17338 -58.5 -87.5 1 29.0 -58.9 236 46 440.5 440.5 309.9 440.5 0.00 62 80 17416 -58.5 -87.5 1 29.0 -58.9 236 46 442.0 442.0 310.1 442.0 0.00 63 77 17657 -58.7 -87.7 1 29.0 -59.2 244 49 446.5 446.5 310.5 446.5 0.00 64 77 17657 -57.5 -87.5 1 30.0 -58.0 244 49 449.0 449.0 310.7 449.0 0.00 65 74 17907 -58.9 -87.9 1 29.0 -59.3 245 42 451.1 451.2 311.0 451.2 0.00 66 73 17993 -56.9 -86.9 1 30.0 -57.5 245 39 457.1 457.1 311.5 457.2 0.00 67 70 18260 -55.9 -86.9 1 31.0 -56.6 245 31 464.8 464.8 312.2 464.8 0.00 68 69 18352 -55.9 -86.9 1 31.0 -56.6 261 39 466.7 466.7 312.4 466.7 0.00 69 53 20000 -64.1 -90.1 2 26.0 -64.4 252 16 484.3 484.3 313.8 484.3 0.00 70 50 20360 -60.5 -89.5 1 29.0 -61.0 225 19 500.9 500.9 315.0 500.9 0.00 71 48 20613 -61.3 -89.3 1 28.0 -61.8 227 19 504.9 504.9 315.3 504.9 0.00 72 47 20745 -58.5 -88.5 1 30.0 -59.2 220 16 514.6 514.6 315.9 514.7 0.00 73 45 21018 -58.5 -88.5 1 30.0 -59.3 215 24 521.1 521.1 316.4 521.1 0.00 74 40 21751 -61.9 -89.9 1 28.0 -62.4 299 10 530.4 530.4 316.9 530.4 0.00 75 33 22946 -59.7 -89.7 1 30.0 -60.6 261 16 566.2 566.2 319.0 566.3 0.00 76 30 23540 -60.5 -89.5 1 29.0 -61.4 275 17 579.7 579.7 319.6 579.7 0.00 77 24 24922 -62.7 -90.7 1 28.0 -63.5 253 9 611.5 611.5 321.1 611.5 0.00 78 21 25747 -61.1 -90.1 1 29.0 -62.2 330 8 640.2 640.2 322.3 640.2 0.01 79 20 26050 -61.5 -90.5 1 29.0 -62.6 300 5 647.9 647.9 322.6 648.0 0.01 80 18 26705 -61.9 -90.9 1 29.0 -63.1 339 9 666.5 666.5 323.3 666.5 0.01 81 16 27439 -60.1 -90.1 1 30.0 -61.7 307 12 695.2 695.2 324.3 695.2 0.01 82 15 27841 -61.7 -89.7 1 28.0 -63.1 343 4 702.8 702.8 324.5 702.9 0.01 83 11 29790 -56.5 -88.5 1 32.0 -59.5 357 17 786.9 786.9 326.9 787.0 0.01 84 11 29790 -56.7 -88.7 1 32.0 -59.7 357 17 786.2 786.2 326.9 786.3 0.01 85 10 30400 -53.7 -86.7 1 33.0 -57.8 360 25 819.1 819.1 327.7 819.3 0.02 86 10 30400 -53.3 -86.3 1 33.0 -57.6 360 25 820.6 820.6 327.7 820.8 0.02 87 9.1 31006 -54.3 -87.3 1 33.0 -58.5 839.2 839.2 328.1 839.4 0.02 88 7.2 32517 -51.5 -85.5 1 34.0 -57.5 908.8 908.8 329.6 909.2 0.04 TRP 379 7225 -41.5 -66.5 5 25.0 -42.1 270 72 305.7 305.7 283.7 305.8 0.01 WND 247 10121 -44.3 -76.3 2 32.0 -45.0 270 93 341.4 341.4 294.7 341.4 0.00 Sounding variables and indices 1000-500 mb thick: 5165.00 m Freezing level: 997.17 mb = 178.32 m = 585.04 ft Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 40.78 % Est. max temperature: 2.18 C = 35.92 F Sfc-Lift cond lev (LCL): 848.27 mb = 1445.57 m = 4742.63 ft T: -11.05 C 700-500 lapse rate: 6.33 C/km ThetaE index: 0.18 C Layer 805.0- 740.0 mb Conv cond level (CCL): 792.30 mb = 1963.73 m = 6442.62 ft Mean mixing ratio: 1.39 g/kg Conv temperature: 2.42 C = 36.36 F Cap Strength: 11.12 C Lifted Index: 11.21 C Risk: None Lifted Index @300 mb: 34.83 C Lifted Index @700 mb: 5.28 C Showalter Index: 10.86 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 17.60 C K Index: -8.30 Risk: None Sweat Index: 125.00 Risk: None Energy Index: 2.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.27 J/kg Max Up Vert Vel: 2.13 m/s Conv Inhibition (B-): 62328.93 J/kg Cap Strength: 11.16 C Lift Cond Lev (LCL): 806.55 mb = 1830.03 m = 6003.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 29 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 1008 98 275 9 9.0 -0.8 | 159 24 -8.4 22.4 1 1000 155 285 27 26.1 -7.0 | 208 18 8.7 16.2 2 981 305 290 28 26.3 -9.6 | 213 16 9.0 13.6 3 944 610 295 33 29.9 -13.9 | 234 16 12.6 9.2 4 925 773 295 39 35.3 -16.5 | 250 19 18.0 6.7 5 908 914 300 39 33.8 -19.5 | 257 17 16.4 3.7 6 873 1219 310 44 33.7 -28.3 | 287 17 16.4 -5.1 7 850 1430 310 41 31.4 -26.4 | 283 14 14.1 -3.2 8 806 1829 310 37 28.3 -23.8 | 273 11 11.0 -0.6 9 774 2134 320 31 19.9 -23.7 | 283 3 2.6 -0.6 10 743 2438 330 21 10.5 -18.2 | 126 8 -6.8 5.0 11 714 2743 300 29 25.1 -14.5 | 222 12 7.8 8.7 12 700 2887 295 37 33.5 -15.6 | 245 18 16.2 7.5 13 656 3353 300 40 34.6 -20.0 | 260 18 17.3 3.2 14 629 3658 295 36 32.6 -15.2 | 243 17 15.3 8.0 15 578 4267 285 37 35.7 -9.6 | 234 23 18.4 13.6 16 532 4877 285 47 45.4 -12.2 | 249 30 28.1 11.0 17 510 5182 285 40 38.6 -10.4 | 239 25 21.3 12.8 18 500 5320 285 43 41.5 -11.1 | 244 27 24.2 12.0 19 467 5791 270 56 56.0 -0.0 | 239 45 38.7 23.2 20 447 6096 270 55 55.0 -0.0 | 238 44 37.7 23.2 21 400 6860 265 66 65.7 5.8 | 239 56 48.4 28.9 22 379 7225 270 72 72.0 -0.0 | 247 59 54.7 23.2 23 358 7620 270 79 79.0 -0.0 | 249 66 61.7 23.2 24 312 8534 275 85 84.7 -7.4 | 257 69 67.3 15.8 25 300 8810 270 88 88.0 -0.0 | 252 74 70.7 23.2 26 286 9144 270 88 88.0 -0.0 | 252 74 70.7 23.2 27 250 10040 270 91 91.0 -0.0 | 253 77 73.7 23.2 28 247 10121 270 93 93.0 -0.0 | 253 79 75.7 23.2 29 238 10363 270 93 93.0 -0.0 | 253 79 75.7 23.2 30 200 11530 265 89 88.7 7.8 | 247 78 71.3 30.9 31 181 12192 270 88 88.0 -0.0 | 252 74 70.7 23.2 32 157 13106 270 57 57.0 -0.0 | 240 46 39.7 23.2 33 150 13420 260 53 52.2 9.2 | 227 48 34.9 32.4 34 143 13716 260 52 51.2 9.0 | 226 47 33.9 32.2 35 136 14021 220 54 34.7 41.4 | 195 67 17.4 64.5 36 118 14935 220 68 43.7 52.1 | 199 80 26.4 75.3 37 113 15240 230 71 54.4 45.6 | 208 78 37.1 68.8 38 102 15850 260 85 83.7 14.8 | 240 76 66.4 37.9 39 100 15990 265 73 72.7 6.4 | 242 63 55.4 29.5 40 97 16154 265 74 73.7 6.4 | 242 64 56.4 29.6 41 93 16459 275 56 55.8 -4.9 | 245 43 38.4 18.3 42 84 17069 245 45 40.8 19.0 | 209 48 23.4 42.2 43 80 17374 235 46 37.7 26.4 | 202 54 20.3 49.6 44 77 17678 245 49 44.4 20.7 | 212 52 27.1 43.9 45 70 18260 245 31 28.1 13.1 | 197 38 10.8 36.3 46 70 18288 265 41 40.8 3.6 | 221 36 23.5 26.7 47 66 18593 245 29 26.3 12.3 | 194 37 8.9 35.4 48 57 19507 280 15 14.8 -2.6 | 173 21 -2.6 20.6 49 55 19812 270 13 13.0 -0.0 | 169 24 -4.3 23.2 50 52 20117 240 18 15.6 9.0 | 177 32 -1.7 32.2 51 50 20360 225 19 13.4 13.4 | 174 37 -3.9 36.6 52 50 20422 240 25 21.7 12.5 | 187 36 4.3 35.7 53 47 20726 220 16 10.3 12.3 | 169 36 -7.1 35.4 54 45 21031 215 24 13.8 19.7 | 175 43 -3.6 42.8 55 43 21336 285 23 22.2 -6.0 | 196 18 4.9 17.2 56 41 21641 320 12 7.7 -9.2 | 145 17 -9.6 14.0 57 39 21946 260 5 4.9 0.9 | 153 27 -12.4 24.0 58 37 22250 205 10 4.2 9.1 | 158 35 -13.1 32.2 59 33 22860 255 15 14.5 3.9 | 174 27 -2.8 27.1 60 32 23165 275 19 18.9 -1.7 | 184 22 1.6 21.5 61 30 23470 300 13 11.3 -6.5 | 160 18 -6.1 16.7 62 30 23540 275 17 16.9 -1.5 | 179 22 -0.4 21.7 63 29 23774 265 18 17.9 1.6 | 181 25 0.6 24.7 64 27 24079 340 12 4.1 -11.3 | 132 18 -13.2 11.9 65 26 24384 300 6 5.2 -3.0 | 149 24 -12.1 20.2 66 25 24689 240 14 12.1 7.0 | 170 31 -5.2 30.2 67 23 25298 275 1 1.0 -0.1 | 145 28 -16.3 23.1 68 21 25603 345 10 2.6 -9.7 | 132 20 -14.7 13.5 69 20 26050 300 5 4.3 -2.5 | 148 24 -13.0 20.7 70 18 26822 345 10 2.6 -9.7 | 132 20 -14.7 13.5 71 17 27127 320 13 8.4 -10.0 | 146 16 -9.0 13.2 72 16 27432 305 12 9.8 -6.9 | 155 18 -7.5 16.3 73 15 28042 0 0 -0.0 -0.0 | 143 29 -17.3 23.2 74 12 29261 330 10 5.0 -8.7 | 140 19 -12.3 14.5 75 11 29870 360 18 -0.0 -18.0 | 107 18 -17.3 5.2 76 10 30400 360 25 -0.0 -25.0 | 84 17 -17.3 -1.8 Wind Parameters Mean winds (0-6000m): 293.2 at 38.6 knts Storm direction: 323.2 at 28.9 knts Shear (0-3000m) pos: 4.5 neg: 2.5 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 92.0 deg Storm rel helicity (0-3000m) pos: 234.9 neg: -10.8 tot: 224.1 m^2/s^2 ave: 74.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 16.2 stream: 8.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 15.19 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 ------------------------------------------------------------------------------- 500 290 28 214 16| 25.2 0.0 25.2|114.1 0.0 114.1 228.2 0.93| 27.3 25.5 1000 295 33 235 16| 17.8 0.0 17.8|171.1 0.0 171.1 171.1 0.92| 21.0 19.3 1500 301 36 251 14| 11.1 0.0 11.1|184.9 -6.2 178.6 119.1 0.81| 16.5 13.3 2000 304 36 256 13| 6.7 0.0 6.7|186.4 -9.7 176.7 88.3 0.67| 14.9 9.9 2500 307 34 254 10| 5.3 1.4 6.8|196.3 -10.8 185.5 74.2 0.52| 15.8 8.2 3000 305 34 251 11| 4.5 2.5 7.0|234.9 -10.8 224.1 74.7 0.55| 16.2 8.9 4000 302 35 249 13| 3.3 2.4 5.8|243.9 -43.5 200.4 50.1 0.45| 13.6 6.1 5000 298 36 248 16| 2.7 2.4 5.1|286.7 -68.3 218.4 43.7 0.41| 12.5 5.1 6000 293 39 246 20| 2.2 3.6 5.8|299.0-112.0 187.0 31.2 0.32| 12.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251128.12.gif