UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113012.upa.cvt Date: 1200Z 30 NOV 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 30 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 1015 98 2.4 -5.6 55 8.0 -0.5 180 10 274.4 274.8 271.9 281.2 2.48 1 1000 210 1.6 -7.4 51 9.0 -1.5 190 16 274.8 275.1 271.6 280.8 2.19 2 981 364 0.2 -7.8 55 8.0 -2.5 192 23 274.9 275.2 271.6 280.9 2.16 3 959 546 -0.7 -8.7 55 8.0 -3.3 198 30 275.7 276.1 272.0 281.5 2.06 4 954 588 -0.5 -10.5 47 10.0 -3.7 199 32 276.3 276.6 272.0 281.4 1.80 5 925 834 -2.5 -11.5 50 9.0 -5.3 205 34 276.8 277.0 272.1 281.6 1.71 6 898 1068 -4.5 -11.5 58 7.0 -6.6 213 37 277.0 277.3 272.3 282.1 1.76 7 880 1228 -3.1 -8.1 68 5.0 -4.8 221 40 280.1 280.5 275.0 286.8 2.36 8 869 1328 -2.1 -4.0 87 1.9 -2.9 226 44 282.2 282.7 277.3 291.4 3.27 9 861 1401 -2.3 -3.2 94 0.9 -2.7 230 47 282.7 283.3 277.9 292.6 3.50 10 852 1485 0.0 -1.6 89 1.6 -0.7 234 50 286.0 286.6 280.1 297.3 3.99 11 850 1504 -0.3 -2.6 84 2.3 -1.3 235 51 285.8 286.5 279.7 296.4 3.71 12 849 1513 0.0 -1.9 87 1.9 -0.8 235 51 286.2 286.9 280.2 297.4 3.91 13 833 1666 0.4 0.4 100 0.0 0.4 242 47 288.2 289.1 282.1 301.7 4.73 14 822 1773 1.0 0.9 99 0.1 1.0 247 44 290.0 290.8 283.1 304.2 4.97 15 757 2433 -1.3 -1.3 100 0.0 -1.3 250 34 294.4 295.2 284.5 307.9 4.59 16 700 3054 -4.1 -4.4 98 0.3 -4.3 245 40 297.9 298.7 285.2 309.8 3.94 17 610 4129 -8.5 -9.1 95 0.6 -8.7 236 50 304.8 305.4 286.9 314.6 3.15 18 581 4505 -10.9 -11.2 98 0.3 -11.0 235 56 306.3 306.8 287.1 315.1 2.80 19 561 4773 -12.5 -13.8 90 1.3 -12.9 238 61 307.5 307.9 287.1 315.0 2.35 20 556 4841 -13.1 -14.9 86 1.8 -13.7 239 63 307.6 308.0 286.9 314.5 2.16 21 532 5175 -15.7 -16.1 97 0.4 -15.8 242 64 308.4 308.8 287.1 315.0 2.05 22 521 5333 -16.9 -18.5 87 1.6 -17.3 243 64 308.8 309.1 286.8 314.3 1.71 23 517 5390 -17.1 -17.9 93 0.8 -17.3 243 64 309.2 309.6 287.1 315.1 1.81 24 515 5419 -17.5 -19.2 87 1.7 -18.0 244 64 309.1 309.4 286.9 314.4 1.63 25 504 5581 -18.5 -18.9 97 0.4 -18.6 245 64 309.8 310.1 287.2 315.3 1.70 26 500 5640 -19.1 -19.7 95 0.6 -19.3 245 64 309.8 310.1 287.1 315.0 1.60 27 499 5655 -19.1 -19.8 94 0.7 -19.3 245 64 309.9 310.2 287.1 315.1 1.59 28 490 5790 -20.7 -40.7 15 20.0 -23.2 248 67 309.6 309.6 285.5 310.4 0.22 29 488 5820 -20.9 -40.9 15 20.0 -23.4 249 67 309.7 309.7 285.5 310.5 0.22 30 475 6020 -20.1 -51.1 5 31.0 -23.2 253 71 313.1 313.1 286.5 313.4 0.07 31 421 6903 -26.7 -48.7 11 22.0 -28.6 252 73 315.6 315.7 287.4 316.0 0.11 32 415 7006 -27.5 -41.5 25 14.0 -29.0 252 73 315.9 316.0 287.7 316.8 0.24 33 409 7111 -28.5 -40.5 31 12.0 -29.8 251 72 315.9 316.0 287.7 316.9 0.27 34 403 7217 -29.5 -38.5 41 9.0 -30.6 250 71 316.0 316.0 287.8 317.2 0.34 35 401 7252 -29.7 -43.7 24 14.0 -31.0 250 71 316.2 316.2 287.7 316.9 0.20 36 400 7270 -29.7 -44.7 22 15.0 -31.1 250 71 316.4 316.4 287.8 317.1 0.18 37 399 7288 -29.9 -44.9 22 15.0 -31.3 250 71 316.4 316.4 287.8 317.0 0.18 38 395 7360 -30.5 -49.5 14 19.0 -32.0 251 71 316.5 316.5 287.7 316.9 0.11 39 388 7486 -31.5 -49.5 15 18.0 -32.9 253 72 316.8 316.8 287.8 317.2 0.11 40 377 7689 -33.1 -42.1 40 9.0 -33.9 255 72 317.3 317.3 288.2 318.2 0.25 41 375 7727 -33.5 -42.5 40 9.0 -34.3 256 72 317.3 317.3 288.1 318.1 0.24 42 347 8266 -38.3 -45.3 48 7.0 -38.8 259 75 317.9 317.9 288.3 318.6 0.19 43 342 8365 -38.9 -47.9 38 9.0 -39.5 260 75 318.4 318.4 288.4 318.9 0.15 44 328 8651 -41.1 -48.1 47 7.0 -41.5 262 77 319.2 319.2 288.6 319.7 0.15 45 301 9228 -46.3 -54.3 40 8.0 -46.6 265 77 319.8 319.8 288.8 320.1 0.08 46 300 9250 -46.5 -54.5 40 8.0 -46.8 265 76 319.8 319.8 288.8 320.1 0.08 47 285 9590 -48.5 -57.5 34 9.0 -48.8 265 71 321.7 321.7 289.3 321.9 0.06 48 267 10017 -52.3 -59.3 43 7.0 -52.5 265 70 322.2 322.2 289.5 322.4 0.05 49 265 10066 -52.7 -61.7 33 9.0 -52.9 265 71 322.3 322.3 289.5 322.4 0.04 50 250 10440 -56.1 -63.1 41 7.0 -56.2 265 73 322.7 322.7 289.6 322.8 0.03 51 249 10465 -56.3 -63.3 41 7.0 -56.4 265 73 322.7 322.7 289.6 322.9 0.03 52 203 11730 -66.3 -70.6 55 4.3 -66.3 267 75 326.4 326.4 290.7 326.4 0.01 53 201 11790 -66.3 -70.6 55 4.3 -66.3 266 75 327.3 327.3 291.0 327.4 0.01 54 200 11820 -66.5 -70.7 55 4.2 -66.5 265 75 327.4 327.4 291.0 327.5 0.01 55 194 12003 -67.1 -68.6 81 1.5 -67.1 260 71 329.4 329.4 291.6 329.4 0.02 56 192 12065 -67.1 -68.4 83 1.3 -67.1 260 71 330.3 330.3 291.8 330.4 0.02 57 187 12224 -66.7 -72.7 42 6.0 -66.7 260 71 333.5 333.5 292.7 333.5 0.01 58 150 13560 -63.9 -84.9 4 21.0 -64.0 260 75 360.0 360.0 298.7 360.0 0.00 59 146 13726 -63.6 -85.0 4 21.4 -63.7 260 82 363.3 363.3 299.4 363.4 0.00 60 100 16080 -59.1 -86.1 2 27.0 -59.5 265 42 413.5 413.5 306.9 413.5 0.00 61 80 17461 -64.7 -87.7 3 23.0 -64.9 257 43 429.3 429.3 308.7 429.3 0.00 62 73 18022 -63.1 -88.1 2 25.0 -63.4 260 55 444.0 444.0 310.3 444.0 0.00 63 70 18280 -64.3 -88.3 2 24.0 -64.6 260 43 446.8 446.8 310.6 446.8 0.00 64 65 18732 -64.9 -88.9 2 24.0 -65.1 262 39 455.1 455.1 311.3 455.1 0.00 65 61 19120 -63.1 -89.1 2 26.0 -63.4 252 41 467.4 467.4 312.4 467.4 0.00 66 57 19535 -64.7 -88.7 2 24.0 -65.0 266 48 473.0 473.0 312.9 473.0 0.00 67 53 19981 -61.9 -88.9 2 27.0 -62.3 279 41 489.4 489.4 314.2 489.4 0.00 68 50 20340 -63.1 -89.1 2 26.0 -63.5 290 36 494.8 494.8 314.6 494.8 0.00 69 49 20464 -63.1 -89.1 2 26.0 -63.5 277 32 497.7 497.7 314.8 497.7 0.00 70 47 20721 -62.1 -89.1 2 27.0 -62.6 290 36 506.0 506.0 315.4 506.0 0.00 71 46 20855 -60.7 -88.7 1 28.0 -61.3 286 31 512.5 512.5 315.8 512.5 0.00 72 43 21272 -63.1 -89.1 2 26.0 -63.6 288 15 516.6 516.6 316.1 516.6 0.00 73 38 22034 -62.3 -88.3 2 26.0 -62.9 274 22 537.2 537.2 317.3 537.2 0.00 74 34 22718 -64.7 -89.7 2 25.0 -65.1 258 24 548.3 548.3 318.0 548.3 0.00 75 32 23090 -61.9 -89.9 1 28.0 -62.6 265 26 565.4 565.4 318.9 565.4 0.00 76 30 23490 -61.5 -88.5 2 27.0 -62.3 285 24 577.0 577.0 319.5 577.0 0.01 77 26 24374 -63.3 -89.3 2 26.0 -64.0 304 20 596.0 596.0 320.4 596.0 0.01 78 23 25133 -60.7 -88.7 1 28.0 -61.8 308 25 624.9 624.9 321.7 624.9 0.01 79 20 26000 -62.3 -89.3 2 27.0 -63.3 330 17 645.5 645.5 322.5 645.5 0.01 80 18 26651 -62.5 -89.5 1 27.0 -63.6 332 17 664.6 664.6 323.2 664.6 0.01 81 17 27006 -59.7 -88.7 1 29.0 -61.3 338 15 684.5 684.5 323.9 684.6 0.01 82 14 28215 -61.3 -89.3 1 28.0 -62.9 11 25 718.2 718.2 325.0 718.3 0.01 83 13 28678 -58.3 -88.3 1 30.0 -60.5 4 27 744.0 744.0 325.8 744.1 0.01 84 11 29724 -60.7 -88.7 1 28.0 -62.7 20 28 771.6 771.7 326.5 771.8 0.01 85 10 30320 -58.7 -88.7 1 30.0 -61.3 25 35 800.4 800.4 327.3 800.6 0.01 86 9.8 30447 -57.9 -87.9 1 30.0 -60.8 23 36 808.1 808.1 327.4 808.2 0.02 87 8.2 31564 -59.1 -88.1 1 29.0 -62.0 8 40 845.6 845.6 328.3 845.8 0.02 88 7.9 31797 -57.3 -87.3 1 30.0 -60.9 5 41 861.8 861.9 328.7 862.1 0.02 89 7.0 32560 -57.3 -87.3 1 30.0 -61.2 355 44 892.2 892.2 329.2 892.4 0.03 90 6.8 32743 -56.9 -87.9 1 31.0 -61.0 901.3 901.3 329.4 901.5 0.03 91 6.4 33127 -57.1 -88.1 1 31.0 -61.3 916.2 916.2 329.7 916.4 0.03 TRP 194 12003 -67.1 -68.6 81 1.5 -67.1 260 71 329.4 329.4 291.6 329.4 0.02 WND 146 13726 -63.6 -85.0 4 21.4 -63.7 260 82 363.3 363.3 299.4 363.4 0.00 Sounding variables and indices 1000-500 mb thick: 5430.00 m Freezing level: 976.11 mb = 404.70 m = 1327.75 ft Freezing level: 852.00 mb = 1485.19 m = 4872.61 ft Freezing level: 852.00 mb = 1485.19 m = 4872.61 ft Freezing level: 849.00 mb = 1513.43 m = 4965.27 ft Freezing level: 793.74 mb = 2059.81 m = 6757.84 ft Wetbulb zero: Below ground Precipitable water: 0.66 inches Sfc-500 mean rel hum: 87.05 % Est. max temperature: 10.48 C = 50.86 F Sfc-Lift cond lev (LCL): 896.17 mb = 1084.32 m = 3557.43 ft T: -4.36 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.88 C Layer 850.0- 849.0 mb Conv cond level (CCL): 524.01 mb = 5289.25 m = 17352.97 ft Mean mixing ratio: 2.00 g/kg Conv temperature: 36.84 C = 98.30 F Cap Strength: 23.90 C Lifted Index: 23.83 C Risk: None Lifted Index @300 mb: 27.31 C Lifted Index @700 mb: 17.62 C Showalter Index: 12.40 C Risk: None Total Totals Index: 35.30 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.50 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 212.71 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.61 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 68332.74 J/kg Cap Strength: 23.83 C Lift Cond Lev (LCL): 841.20 mb = 1587.51 m = 5208.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 35 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 1015 98 180 10 0.0 10.0 | 104 36 -34.5 8.8 1 1000 210 190 16 2.8 15.8 | 115 35 -31.8 14.6 2 988 305 190 20 3.5 19.7 | 121 36 -31.1 18.5 3 951 610 200 33 11.3 31.0 | 142 38 -23.2 29.8 4 925 834 205 34 14.4 30.8 | 146 36 -20.2 29.6 5 916 914 205 34 14.4 30.8 | 146 36 -20.2 29.6 6 881 1219 220 40 25.7 30.6 | 163 31 -8.8 29.4 7 850 1504 235 51 41.8 29.3 | 194 29 7.2 28.1 8 848 1524 235 52 42.6 29.8 | 196 30 8.1 28.6 9 816 1829 250 42 39.5 14.4 | 201 14 4.9 13.2 10 786 2134 245 40 36.3 16.9 | 186 16 1.7 15.7 11 756 2438 250 34 31.9 11.6 | 166 11 -2.6 10.4 12 728 2743 250 36 33.8 12.3 | 176 11 -0.7 11.1 13 700 3054 245 40 36.3 16.9 | 186 16 1.7 15.7 14 647 3658 240 40 34.6 20.0 | 180 19 0.1 18.8 15 598 4267 235 53 43.4 30.4 | 197 31 8.9 29.2 16 575 4572 235 57 46.7 32.7 | 201 34 12.2 31.5 17 552 4877 240 64 55.4 32.0 | 214 37 20.9 30.8 18 500 5640 245 64 58.0 27.0 | 222 35 23.5 25.8 19 470 6096 255 72 69.5 18.6 | 244 39 35.0 17.4 20 451 6401 255 76 73.4 19.7 | 245 43 38.9 18.5 21 400 7270 250 71 66.7 24.3 | 234 40 32.2 23.1 22 380 7620 255 72 69.5 18.6 | 244 39 35.0 17.4 23 305 9144 265 79 78.7 6.9 | 263 45 44.2 5.7 24 300 9250 265 76 75.7 6.6 | 262 42 41.2 5.4 25 278 9754 265 69 68.7 6.0 | 262 35 34.2 4.8 26 250 10440 265 73 72.7 6.4 | 262 39 38.2 5.2 27 208 11582 270 76 76.0 -0.0 | 272 41 41.5 -1.2 28 200 11820 265 75 74.7 6.5 | 262 41 40.2 5.3 29 194 12003 260 71 69.9 12.3 | 253 37 35.4 11.1 30 188 12192 260 71 69.9 12.3 | 253 37 35.4 11.1 31 150 13560 260 75 73.9 13.0 | 253 41 39.3 11.8 32 146 13726 260 82 80.8 14.2 | 254 48 46.2 13.0 33 139 14021 260 82 80.8 14.2 | 254 48 46.2 13.0 34 126 14630 270 71 71.0 -0.0 | 272 36 36.5 -1.2 35 114 15240 245 60 54.4 25.4 | 219 31 19.8 24.2 36 104 15850 260 67 66.0 11.6 | 252 33 31.5 10.4 37 100 16080 265 42 41.8 3.7 | 251 8 7.3 2.5 38 94 16459 265 42 41.8 3.7 | 251 8 7.3 2.5 39 90 16764 280 38 37.4 -6.6 | 340 8 2.9 -7.8 40 85 17069 255 33 31.9 8.5 | 160 8 -2.7 7.3 41 73 17983 260 57 56.1 9.9 | 248 23 21.6 8.7 42 70 18280 260 43 42.3 7.5 | 231 10 7.8 6.3 43 70 18288 250 40 37.6 13.7 | 194 13 3.1 12.5 44 67 18593 265 38 37.9 3.3 | 238 4 3.3 2.1 45 60 19202 250 42 39.5 14.4 | 201 14 4.9 13.2 46 57 19507 265 48 47.8 4.2 | 257 14 13.3 3.0 47 50 20340 290 36 33.8 -12.3 | 3 14 -0.7 -13.5 48 49 20422 275 31 30.9 -2.7 | 43 5 -3.6 -3.9 49 47 20726 290 36 33.8 -12.3 | 3 14 -0.7 -13.5 50 45 21031 280 24 23.6 -4.2 | 64 12 -10.9 -5.4 51 43 21336 290 13 12.2 -4.4 | 76 23 -22.3 -5.6 52 40 21641 260 20 19.7 3.5 | 99 15 -14.8 2.3 53 39 21946 275 22 21.9 -1.9 | 76 13 -12.6 -3.1 54 37 22250 270 23 23.0 -0.0 | 84 12 -11.5 -1.2 55 35 22555 250 24 22.6 8.2 | 120 14 -12.0 7.0 56 33 22860 265 24 23.9 2.1 | 95 11 -10.6 0.9 57 32 23165 265 27 26.9 2.4 | 99 8 -7.6 1.2 58 30 23470 285 22 21.3 -5.7 | 63 15 -13.3 -6.9 59 30 23490 285 24 23.2 -6.2 | 57 14 -11.3 -7.4 60 27 24079 285 27 26.1 -7.0 | 46 12 -8.4 -8.2 61 26 24384 305 20 16.4 -11.5 | 55 22 -18.1 -12.7 62 25 24689 285 20 19.3 -5.2 | 67 16 -15.2 -6.4 63 24 24994 305 25 20.5 -14.3 | 42 21 -14.1 -15.5 64 20 25908 325 26 14.9 -21.3 | 41 30 -19.6 -22.5 65 20 26000 330 17 8.5 -14.7 | 59 31 -26.0 -15.9 66 18 26518 330 18 9.0 -15.6 | 57 31 -25.5 -16.8 67 17 27127 340 14 4.8 -13.2 | 64 33 -29.7 -14.4 68 16 27432 5 12 -1.0 -12.0 | 70 38 -35.6 -13.2 69 15 27737 20 22 -7.5 -20.7 | 63 47 -42.1 -21.9 70 14 28042 5 18 -1.6 -17.9 | 62 41 -36.1 -19.1 71 14 28346 15 30 -7.8 -29.0 | 54 52 -42.3 -30.2 72 12 28956 355 25 2.2 -24.9 | 51 42 -32.4 -26.1 73 11 29566 25 23 -9.7 -20.8 | 64 49 -44.3 -22.0 74 10 30175 5 41 -3.6 -40.8 | 42 57 -38.1 -42.0 75 10 30320 25 35 -14.8 -31.7 | 56 59 -49.3 -32.9 76 7 32560 355 44 3.8 -43.8 | 34 54 -30.7 -45.0 Wind Parameters Mean winds (0-6000m): 238.0 at 46.1 knts Storm direction: 268.0 at 34.6 knts Shear (0-3000m) pos: 5.7 neg: 1.0 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 81.5 deg Storm rel helicity (0-3000m) pos: 496.4 neg: -28.9 tot: 467.6 m^2/s^2 ave: 155.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 14.8 stream: 8.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.08 Bulk Shear: 154.29 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 ------------------------------------------------------------------------------- 500 194 22 124 35| 24.0 0.0 24.0|223.5 0.0 223.5 447.1 0.99| 24.3 24.0 1000 201 28 135 35| 15.4 0.0 15.4|306.5 0.0 306.5 306.5 0.95| 17.4 16.6 1500 213 34 149 32| 15.5 0.0 15.5|478.1 0.0 478.1 318.7 0.93| 19.9 18.5 2000 223 36 158 27| 9.6 0.0 9.6|484.5 -13.3 471.2 235.6 0.72| 18.7 13.3 2500 228 36 161 24| 6.8 0.0 6.8|486.4 -28.9 457.5 183.0 0.60| 16.4 9.9 3000 232 36 164 22| 5.7 1.0 6.7|496.4 -28.9 467.6 155.9 0.59| 14.8 8.8 4000 234 38 169 21| 4.2 2.2 6.5|527.1 -35.6 491.5 122.9 0.55| 12.7 7.0 5000 235 42 180 23| 4.3 2.6 6.9|646.9 -35.6 611.3 122.3 0.58| 12.0 7.0 6000 238 46 191 24| 4.8 2.2 7.0|814.5 -35.6 778.9 129.8 0.63| 11.6 7.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251130.12.gif