UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 27 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 ------------------------------------------------------------------------------- 0 1000 70 315 14 SFC 998 98 15.2 7.2 59 8.0 10.8 315 14 288.5 289.6 284.0 306.6 6.39 2 938 610 10.8 4.8 66 6.0 7.6 290 36 289.2 290.2 283.6 305.6 5.75 3 934 645 11.4 4.4 62 7.0 7.8 290 34 290.2 291.2 283.9 306.2 5.61 4 925 725 11.0 4.0 62 7.0 7.3 290 30 290.6 291.5 284.0 306.4 5.51 5 905 907 10.4 3.4 62 7.0 6.8 280 23 291.8 292.7 284.3 307.3 5.40 6 869 1244 7.8 3.1 72 4.7 5.4 254 23 292.5 293.4 284.7 308.4 5.50 7 854 1387 7.6 0.6 61 7.0 4.2 247 30 293.7 294.5 284.3 307.4 4.68 8 850 1426 7.4 0.4 61 7.0 4.0 245 32 293.9 294.7 284.4 307.5 4.63 9 842 1504 7.0 0.0 61 7.0 3.6 243 33 294.3 295.1 284.4 307.6 4.54 10 790 2023 2.2 -1.8 75 4.0 0.4 235 39 294.6 295.3 284.2 307.0 4.24 11 781 2116 1.6 -4.4 64 6.0 -1.0 235 41 294.9 295.5 283.5 305.4 3.53 12 754 2398 -0.5 -2.7 85 2.2 -1.5 231 44 295.6 296.3 284.5 307.9 4.16 13 734 2613 -1.9 -5.0 79 3.1 -3.2 227 48 296.3 297.0 284.2 307.1 3.59 14 711 2865 -4.3 -5.3 93 1.0 -4.7 230 53 296.4 297.1 284.2 307.2 3.62 15 709 2887 -4.5 -6.0 89 1.5 -5.1 231 54 296.4 297.0 284.1 306.7 3.44 16 707 2910 -4.3 -8.6 72 4.3 -6.0 232 54 296.9 297.4 283.5 305.4 2.82 17 704 2943 -4.5 -8.3 75 3.8 -6.0 233 55 297.0 297.5 283.7 305.8 2.90 18 700 2988 -4.9 -9.1 72 4.2 -6.5 235 56 297.1 297.6 283.5 305.4 2.74 19 698 3010 -5.1 -9.2 73 4.1 -6.6 236 56 297.1 297.6 283.5 305.4 2.73 20 690 3101 -5.3 -16.3 42 11.0 -8.7 238 56 297.8 298.1 282.4 302.7 1.55 21 689 3112 -5.3 -17.3 38 12.0 -8.9 239 56 298.0 298.2 282.4 302.4 1.43 22 687 3135 -5.3 -23.3 23 18.0 -9.9 239 56 298.2 298.4 281.7 301.0 0.85 23 678 3239 -4.7 -41.7 4 37.0 -10.9 242 57 300.0 300.0 281.5 300.5 0.15 24 614 4013 -8.5 -31.5 14 23.0 -13.2 240 66 304.3 304.4 283.7 305.8 0.45 25 611 4051 -8.3 -31.3 14 23.0 -13.1 240 65 304.9 305.0 284.0 306.5 0.46 26 574 4532 -12.7 -32.7 17 20.0 -16.4 240 61 305.3 305.3 284.1 306.7 0.43 27 572 4558 -12.1 -40.1 8 28.0 -16.4 240 61 306.3 306.3 284.2 307.0 0.20 28 554 4803 -11.9 -52.9 2 41.0 -16.7 247 74 309.3 309.3 285.1 309.5 0.05 29 551 4844 -11.9 -49.9 3 38.0 -16.7 249 76 309.8 309.8 285.4 310.1 0.07 30 524 5227 -14.5 -50.5 3 36.0 -18.7 248 76 311.2 311.2 285.8 311.4 0.07 31 500 5580 -17.9 -47.9 5 30.0 -21.3 245 72 311.2 311.2 285.9 311.6 0.10 32 481 5869 -20.3 -48.3 6 28.0 -23.2 241 72 311.7 311.7 286.1 312.1 0.10 33 450 6359 -23.9 -48.9 8 25.0 -26.3 245 87 313.2 313.2 286.6 313.6 0.10 34 423 6809 -26.7 -55.7 5 29.0 -28.8 245 100 315.2 315.2 287.2 315.4 0.05 35 400 7210 -30.3 -57.3 5 27.0 -31.9 245 100 315.6 315.6 287.3 315.8 0.04 36 377 7625 -33.9 -59.9 5 26.0 -35.1 240 102 316.2 316.2 287.5 316.4 0.03 37 373 7700 -33.7 -60.7 5 27.0 -35.0 241 102 317.5 317.5 287.9 317.6 0.03 38 306 9057 -41.7 -66.7 5 25.0 -42.5 239 105 324.7 324.7 290.2 324.8 0.02 39 300 9190 -42.7 -66.7 5 24.0 -43.4 240 113 325.2 325.2 290.3 325.2 0.02 40 265 10018 -49.5 -65.5 14 16.0 -49.8 242 120 327.0 327.0 290.9 327.1 0.02 41 264 10043 -49.7 -65.7 14 16.0 -50.0 242 120 327.0 327.0 290.9 327.1 0.02 42 254 10296 -50.9 -69.9 9 19.0 -51.2 244 119 328.9 328.9 291.4 328.9 0.01 43 250 10400 -50.9 -70.9 8 20.0 -51.2 245 119 330.4 330.4 291.8 330.4 0.01 44 233 10855 -54.1 -71.3 10 17.2 -54.4 245 129 332.3 332.3 292.3 332.3 0.01 45 232 10883 -54.3 -71.3 11 17.0 -54.5 245 129 332.4 332.4 292.4 332.4 0.01 46 229 10966 -53.9 -72.9 8 19.0 -54.2 245 129 334.2 334.2 292.9 334.3 0.01 47 211 11489 -56.3 -76.3 6 20.0 -56.5 245 107 338.4 338.4 293.9 338.4 0.01 48 200 11830 -55.3 -78.3 4 23.0 -55.6 240 108 345.2 345.2 295.6 345.2 0.00 49 185 12331 -53.1 -81.1 2 28.0 -53.5 241 110 356.5 356.5 298.0 356.6 0.00 50 150 13670 -58.1 -84.1 2 26.0 -58.3 245 101 370.0 370.0 300.5 370.0 0.00 51 148 13754 -58.7 -84.7 2 26.0 -58.9 245 101 370.4 370.4 300.7 370.4 0.00 52 139 14148 -57.3 -85.3 2 28.0 -57.6 244 101 379.5 379.5 302.2 379.5 0.00 53 132 14472 -58.3 -86.3 2 28.0 -58.6 240 99 383.4 383.4 302.8 383.4 0.00 54 126 14766 -55.9 -84.9 1 29.0 -56.3 237 97 392.9 392.9 304.2 392.9 0.00 55 112 15511 -57.1 -86.1 1 29.0 -57.5 239 83 404.1 404.1 305.7 404.1 0.00 56 100 16220 -60.5 -86.5 2 26.0 -60.8 245 68 410.8 410.8 306.6 410.8 0.00 57 94 16606 -59.7 -86.7 2 27.0 -60.0 245 61 419.7 419.7 307.7 419.8 0.00 58 85 17230 -63.9 -87.9 2 24.0 -64.1 238 55 423.5 423.5 308.1 423.5 0.00 59 74 18074 -66.5 -88.5 3 22.0 -66.7 251 49 435.1 435.1 309.4 435.2 0.00 60 70 18410 -67.5 -88.5 4 21.0 -67.7 235 30 440.0 440.0 309.8 440.0 0.00 61 69 18497 -67.7 -88.7 3 21.0 -67.8 235 30 441.4 441.4 310.0 441.4 0.00 62 64 18950 -67.1 -89.1 3 22.0 -67.3 226 35 452.3 452.3 311.1 452.3 0.00 63 63 19046 -66.1 -90.1 2 24.0 -66.3 224 37 456.5 456.5 311.4 456.5 0.00 64 62 19144 -62.9 -88.9 2 26.0 -63.2 221 38 465.7 465.7 312.3 465.7 0.00 65 61 19244 -62.7 -88.7 2 26.0 -63.0 221 38 468.3 468.3 312.5 468.3 0.00 66 59 19449 -63.7 -89.7 2 26.0 -64.0 224 34 470.6 470.6 312.7 470.6 0.00 67 55 19882 -61.7 -89.7 1 28.0 -62.1 237 27 484.7 484.7 313.8 484.7 0.00 68 50 20470 -63.5 -89.5 2 26.0 -63.8 225 24 493.8 493.8 314.5 493.9 0.00 69 48 20720 -63.9 -89.9 2 26.0 -64.3 223 27 498.7 498.7 314.8 498.7 0.00 70 41 21687 -62.3 -90.3 1 28.0 -62.9 265 17 525.7 525.7 316.6 525.7 0.00 71 36 22484 -64.7 -90.7 2 26.0 -65.1 322 6 539.4 539.4 317.5 539.4 0.00 72 33 23016 -63.1 -91.1 1 28.0 -63.7 281 9 557.2 557.2 318.5 557.2 0.00 73 30 23600 -64.3 -91.3 1 27.0 -64.8 250 4 569.3 569.3 319.1 569.4 0.00 74 28 24024 -62.7 -90.7 1 28.0 -63.4 328 8 585.1 585.1 319.9 585.2 0.00 75 28 24024 -62.7 -90.7 1 28.0 -63.4 328 8 585.1 585.1 319.9 585.2 0.00 76 26 24479 -64.3 -91.3 1 27.0 -64.9 336 12 593.1 593.1 320.3 593.2 0.00 77 23 25231 -62.9 -90.9 1 28.0 -63.7 313 10 618.4 618.4 321.4 618.4 0.00 78 20 26090 -63.7 -91.7 1 28.0 -64.6 305 11 641.2 641.2 322.3 641.2 0.00 79 17 27085 -64.5 -91.5 1 27.0 -65.4 347 11 669.1 669.1 323.4 669.2 0.01 80 15 27857 -60.3 -90.3 1 30.0 -61.9 6 19 707.5 707.5 324.7 707.5 0.01 81 15 27857 -60.7 -90.7 1 30.0 -62.3 6 19 706.1 706.1 324.6 706.2 0.01 82 12 29255 -57.5 -89.5 1 32.0 -60.1 36 20 764.0 764.0 326.3 764.1 0.01 83 10 30410 -56.3 -88.3 1 32.0 -59.6 20 16 809.4 809.4 327.5 809.5 0.02 84 8.6 31370 -55.5 -87.5 1 32.0 -59.4 848.2 848.2 328.4 848.4 0.02 TRP 211 11489 -56.3 -76.3 6 20.0 -56.5 245 107 338.4 338.4 293.9 338.4 0.01 WND 233 10855 -54.1 -71.3 10 17.2 -54.4 245 129 332.3 332.3 292.3 332.3 0.01 Sounding variables and indices 1000-500 mb thick: 5510.00 m Freezing level: 760.43 mb = 2331.09 m = 7647.86 ft Wetbulb zero: 787.52 mb = 2048.72 m = 6721.45 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 41.08 % Est. max temperature: 20.67 C = 69.21 F Sfc-Lift cond lev (LCL): 884.99 mb = 1092.58 m = 3584.52 ft T: 8.97 C 700-500 lapse rate: 5.02 C/km ThetaE index: 2.24 C Layer 790.0- 754.0 mb Conv cond level (CCL): 794.57 mb = 1976.33 m = 6483.96 ft Mean mixing ratio: 5.83 g/kg Conv temperature: 21.21 C = 70.18 F Cap Strength: 7.39 C Lifted Index: 6.75 C Risk: None Lifted Index @300 mb: 13.50 C Lifted Index @700 mb: 1.06 C Showalter Index: 6.05 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 18.30 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 140.80 Risk: None Energy Index: 0.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.18 J/kg Max Up Vert Vel: 5.51 m/s Conv Inhibition (B-): 56440.39 J/kg Cap Strength: 7.33 C Lift Cond Lev (LCL): 852.25 mb = 1404.17 m = 4606.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 39 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 ---------------------------------------------------------- 0 998 98 315 14 9.9 -9.9 | 78 30 -29.1 -5.9 1 973 305 300 30 26.0 -15.0 | 50 17 -13.0 -11.0 2 938 610 290 36 33.8 -12.3 | 32 10 -5.1 -8.4 3 925 725 290 30 28.2 -10.3 | 60 12 -10.8 -6.3 4 904 914 280 23 22.7 -4.0 | 90 16 -16.3 -0.0 5 871 1219 255 22 21.3 5.7 | 119 20 -17.7 9.7 6 850 1426 245 32 29.0 13.5 | 150 20 -10.0 17.5 7 808 1829 235 37 30.3 21.2 | 161 27 -8.7 25.2 8 778 2134 235 41 33.6 23.5 | 169 28 -5.4 27.5 9 749 2438 230 45 34.5 28.9 | 172 33 -4.5 32.9 10 722 2743 225 51 36.1 36.1 | 176 40 -2.9 40.0 11 700 2988 235 56 45.9 32.1 | 191 37 6.9 36.1 12 642 3658 255 58 56.0 15.0 | 222 26 17.1 19.0 13 617 3962 240 66 57.2 33.0 | 206 41 18.2 37.0 14 593 4267 240 62 53.7 31.0 | 203 38 14.7 35.0 15 570 4572 240 61 52.8 30.5 | 202 37 13.9 34.5 16 548 4877 250 79 74.2 27.0 | 229 47 35.3 31.0 17 500 5580 245 72 65.3 30.4 | 217 43 26.3 34.4 18 486 5791 240 70 60.6 35.0 | 209 45 21.7 39.0 19 466 6096 245 77 69.8 32.5 | 220 48 30.8 36.5 20 429 6706 245 100 90.6 42.3 | 228 69 51.7 46.2 21 400 7210 245 100 90.6 42.3 | 228 69 51.7 46.2 22 377 7620 240 102 88.3 51.0 | 222 74 49.4 55.0 23 345 8230 245 105 95.2 44.4 | 229 74 56.2 48.3 24 330 8534 235 94 77.0 53.9 | 213 69 38.0 57.9 25 302 9144 240 107 92.7 53.5 | 223 79 53.7 57.5 26 300 9190 240 113 97.9 56.5 | 224 84 58.9 60.5 27 276 9754 240 120 103.9 60.0 | 225 91 65.0 64.0 28 250 10400 245 119 107.9 50.3 | 232 88 68.9 54.3 29 233 10855 245 129 116.9 54.5 | 233 97 78.0 58.5 30 229 10973 245 129 116.9 54.5 | 233 97 78.0 58.5 31 211 11489 245 107 97.0 45.2 | 230 76 58.0 49.2 32 200 11830 240 108 93.5 54.0 | 223 80 54.6 58.0 33 198 11887 240 102 88.3 51.0 | 222 74 49.4 55.0 34 189 12192 240 113 97.9 56.5 | 224 84 58.9 60.5 35 164 13106 250 90 84.6 30.8 | 233 57 45.6 34.7 36 150 13670 245 101 91.5 42.7 | 228 70 52.6 46.6 37 142 14021 245 102 92.4 43.1 | 229 71 53.5 47.1 38 123 14935 235 96 78.6 55.1 | 214 71 39.7 59.0 39 117 15240 235 92 75.4 52.8 | 213 67 36.4 56.7 40 101 16154 250 61 57.3 20.9 | 216 31 18.4 24.8 41 100 16220 245 68 61.6 28.7 | 215 40 22.7 32.7 42 96 16459 245 68 61.6 28.7 | 215 40 22.7 32.7 43 92 16764 245 52 47.1 22.0 | 197 27 8.2 25.9 44 83 17374 235 56 45.9 32.1 | 191 37 6.9 36.1 45 79 17678 245 62 56.2 26.2 | 210 35 17.2 30.2 46 71 18288 255 41 39.6 10.6 | 183 15 0.6 14.6 47 70 18410 235 30 24.6 17.2 | 146 26 -14.4 21.2 48 68 18593 235 30 24.6 17.2 | 146 26 -14.4 21.2 49 62 19202 220 39 25.1 29.9 | 158 37 -13.9 33.8 50 56 19812 230 28 21.4 18.0 | 141 28 -17.5 22.0 51 53 20117 260 24 23.6 4.2 | 118 17 -15.3 8.1 52 50 20422 250 16 15.0 5.5 | 112 26 -23.9 9.4 53 50 20470 225 24 17.0 17.0 | 134 30 -22.0 20.9 54 46 21031 220 31 19.9 23.7 | 146 34 -19.0 27.7 55 43 21336 260 23 22.7 4.0 | 116 18 -16.3 8.0 56 41 21641 260 18 17.7 3.1 | 108 22 -21.2 7.1 57 39 21946 295 10 9.1 -4.2 | 89 30 -29.9 -0.3 58 37 22250 340 4 1.4 -3.8 | 90 38 -37.6 0.2 59 32 23165 270 10 10.0 -0.0 | 98 29 -29.0 4.0 60 30 23600 250 4 3.8 1.4 | 99 36 -35.2 5.3 61 29 23774 95 1 -1.0 0.1 | 96 40 -40.0 4.0 62 28 24079 300 10 8.7 -5.0 | 88 30 -30.3 -1.0 63 26 24384 325 12 6.9 -9.8 | 80 33 -32.1 -5.9 64 25 24689 360 11 -0.0 -11.0 | 80 40 -39.0 -7.0 65 22 25603 280 10 9.8 -1.7 | 94 29 -29.1 2.2 66 21 25908 350 10 1.7 -9.8 | 81 38 -37.2 -5.9 67 20 26090 305 11 9.0 -6.3 | 86 30 -30.0 -2.4 68 20 26213 340 4 1.4 -3.8 | 90 38 -37.6 0.2 69 19 26518 305 10 8.2 -5.7 | 87 31 -30.8 -1.8 70 18 26822 315 10 7.1 -7.1 | 84 32 -31.9 -3.1 71 17 27127 350 11 1.9 -10.8 | 79 38 -37.1 -6.9 72 16 27432 350 25 4.3 -24.6 | 59 40 -34.6 -20.7 73 15 27737 10 19 -3.3 -18.7 | 71 45 -42.3 -14.8 74 14 28346 355 21 1.8 -20.9 | 65 41 -37.1 -17.0 75 13 28651 25 15 -6.3 -13.6 | 78 46 -45.3 -9.6 76 12 29261 35 20 -11.5 -16.4 | 76 52 -50.4 -12.4 77 11 29566 65 18 -16.3 -7.6 | 86 55 -55.3 -3.6 78 11 29870 55 20 -16.4 -11.5 | 82 56 -55.3 -7.5 79 10 30410 20 16 -5.5 -15.0 | 76 46 -44.4 -11.1 Wind Parameters Mean winds (0-6000m): 245.8 at 52.2 knts Storm direction: 275.8 at 39.2 knts Shear (0-3000m) pos: 2.2 neg: 8.5 tot: 10.7 10-3/s Storm rel Dir Shear (0-3000m): 116.5 deg Storm rel helicity (0-3000m) pos: 348.9 neg: -83.2 tot: 265.7 m^2/s^2 ave: 88.6 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 16.6 stream: 7.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.07 Bulk Shear: 226.75 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 ------------------------------------------------------------------------------- 500 298 28 56 17| 0.0 24.5 24.5| 0.0 -83.2 -83.2 -166.4 -0.62| 25.8-15.9 1000 291 28 66 14| 0.0 8.8 8.8| 65.8 -83.2 -17.3 -17.3 0.06| 23.1 1.4 1500 277 28 93 11| 0.0 11.4 11.4|147.0 -83.2 63.8 42.5 0.30| 21.5 6.4 2000 263 30 129 12| 0.0 10.4 10.4|184.6 -83.2 101.4 50.7 0.34| 18.2 6.2 2500 254 33 151 15| 0.0 10.2 10.2|214.4 -83.2 131.3 52.5 0.34| 16.5 5.7 3000 248 36 163 18| 2.2 8.5 10.7|348.9 -83.2 265.7 88.6 0.42| 16.6 7.0 4000 247 42 180 20| 3.3 8.2 11.4|451.8-165.3 286.5 71.6 0.35| 16.7 5.8 5000 246 48 191 24| 4.2 6.5 10.7|660.7-214.5 446.2 89.2 0.38| 16.1 6.1 6000 246 52 199 27| 3.8 5.4 9.3|767.8-357.9 409.9 68.3 0.31| 15.3 4.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251127.00.gif