UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 10 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 1021 98 6.2 3.5 83 2.7 4.9 300 3 277.7 278.5 277.1 290.8 4.81 1 1020 106 6.0 3.8 86 2.2 4.9 307 3 277.6 278.4 277.2 291.0 4.92 2 1015 143 6.2 3.6 83 2.6 4.9 341 5 278.2 279.0 277.4 291.5 4.88 3 1013 159 7.4 4.0 79 3.4 5.8 355 6 279.5 280.4 278.3 293.3 5.03 4 1011 174 7.6 4.0 78 3.6 5.9 9 7 279.9 280.7 278.5 293.7 5.04 5 1004 228 7.8 4.3 78 3.5 6.1 57 9 280.6 281.5 279.0 294.9 5.18 6 1000 259 8.6 5.0 78 3.6 6.8 85 11 281.8 282.7 280.0 296.9 5.47 7 996 292 9.6 5.5 76 4.1 7.5 96 12 283.1 284.1 280.8 298.9 5.69 8 987 368 10.4 4.4 66 6.0 7.3 104 14 284.6 285.5 281.1 299.5 5.31 9 952 667 8.0 4.6 79 3.4 6.3 120 16 285.1 286.1 281.7 300.8 5.59 10 925 904 6.0 1.8 74 4.2 4.0 120 13 285.4 286.3 280.8 298.7 4.71 11 920 948 5.8 1.1 72 4.7 3.6 132 12 285.7 286.5 280.6 298.4 4.50 12 867 1431 2.6 0.9 89 1.7 1.8 185 4 287.2 288.1 281.6 300.6 4.71 13 860 1497 3.4 -2.6 65 6.0 0.8 173 4 288.7 289.4 281.0 299.4 3.67 14 859 1506 3.4 -3.6 60 7.0 0.4 171 4 288.8 289.4 280.8 298.7 3.41 15 856 1535 4.4 -9.6 35 14.0 -0.9 166 5 290.2 290.6 279.8 296.6 2.15 16 850 1592 5.4 -18.6 16 24.0 -2.0 155 5 291.8 292.0 279.1 295.0 1.04 17 848 1611 6.0 -27.0 7 33.0 -2.6 155 5 292.6 292.7 278.7 294.2 0.49 18 842 1669 6.2 -34.8 3 41.0 -2.9 155 7 293.4 293.5 278.7 294.2 0.24 19 805 2037 6.6 -39.4 2 46.0 -3.1 155 9 297.7 297.7 280.6 298.2 0.16 20 734 2791 5.0 -39.0 2 44.0 -4.5 172 6 303.9 303.9 283.2 304.5 0.18 21 700 3176 3.2 -33.8 5 37.0 -5.5 185 3 306.0 306.1 284.2 307.1 0.31 22 650 3772 0.4 -33.6 6 34.0 -7.5 219 3 309.4 309.5 285.5 310.6 0.34 23 644 3846 0.0 -24.0 14 24.0 -7.0 226 3 309.8 309.9 286.3 312.7 0.85 24 626 4072 -1.9 -27.9 12 26.0 -8.7 246 5 310.1 310.3 286.1 312.2 0.62 25 621 4135 -2.3 -21.3 22 19.0 -8.1 251 6 310.4 310.6 286.8 314.1 1.12 26 596 4460 -3.5 -29.5 11 26.0 -9.9 248 7 312.7 312.8 286.9 314.6 0.56 27 577 4715 -5.3 -29.3 13 24.0 -11.2 223 7 313.5 313.6 287.2 315.5 0.59 28 575 4742 -5.3 -31.3 11 26.0 -11.3 220 7 313.8 313.9 287.2 315.5 0.49 29 573 4769 -5.3 -28.3 14 23.0 -11.1 218 7 314.1 314.2 287.5 316.3 0.65 30 541 5216 -9.1 -27.1 22 18.0 -13.6 227 7 314.8 314.9 287.9 317.4 0.77 31 500 5820 -13.5 -31.5 20 18.0 -17.2 270 6 316.6 316.7 288.2 318.5 0.55 32 451 6597 -19.5 -35.5 23 16.0 -22.1 281 9 318.5 318.6 288.8 320.0 0.41 33 432 6916 -21.3 -40.3 16 19.0 -23.9 288 11 320.2 320.2 289.1 321.2 0.26 34 400 7480 -25.9 -42.9 19 17.0 -27.9 295 14 321.3 321.4 289.4 322.1 0.22 35 301 9468 -42.3 -55.3 23 13.0 -42.9 270 15 325.4 325.4 290.5 325.7 0.07 36 300 9490 -42.5 -55.5 23 13.0 -43.0 270 15 325.5 325.5 290.5 325.7 0.07 37 279 9977 -45.7 -57.7 25 12.0 -46.1 274 15 327.7 327.7 291.1 327.9 0.06 38 256 10545 -49.5 -61.5 23 12.0 -49.8 245 20 330.2 330.2 291.8 330.4 0.04 39 250 10700 -50.1 -63.1 20 13.0 -50.4 245 20 331.6 331.6 292.2 331.7 0.03 40 240 10967 -52.1 -64.1 22 12.0 -52.4 245 20 332.5 332.5 292.4 332.6 0.03 41 234 11131 -52.7 -67.7 15 15.0 -52.9 245 20 334.0 334.0 292.8 334.1 0.02 42 223 11442 -54.1 -67.1 19 13.0 -54.3 240 24 336.5 336.5 293.4 336.5 0.02 43 212 11767 -55.7 -69.7 16 14.0 -55.9 260 34 338.9 338.9 294.0 338.9 0.02 44 200 12140 -55.1 -73.1 9 18.0 -55.4 255 28 345.5 345.5 295.6 345.6 0.01 45 182 12741 -53.9 -78.9 3 25.0 -54.2 263 29 356.9 356.9 298.1 356.9 0.00 46 176 12954 -55.9 -78.9 4 23.0 -56.2 270 28 357.1 357.1 298.1 357.1 0.00 47 150 13960 -58.9 -83.9 3 25.0 -59.1 280 29 368.6 368.6 300.3 368.6 0.00 48 112 15765 -65.7 -85.7 5 20.0 -65.8 303 26 388.0 388.0 303.5 388.0 0.00 49 102 16330 -67.5 -86.5 5 19.0 -67.6 291 26 395.1 395.1 304.5 395.1 0.00 50 100 16450 -66.7 -86.7 4 20.0 -66.8 295 25 398.9 398.9 305.0 398.9 0.00 51 96 16698 -65.5 -86.5 4 21.0 -65.7 295 25 405.9 405.9 306.0 405.9 0.00 52 92 16957 -66.7 -86.7 4 20.0 -66.8 289 28 408.5 408.5 306.3 408.5 0.00 53 75 18206 -63.1 -89.1 2 26.0 -63.4 298 20 440.6 440.6 310.0 440.6 0.00 54 70 18630 -64.7 -88.7 2 24.0 -64.9 285 20 446.0 446.0 310.5 446.0 0.00 55 64 19176 -65.5 -89.5 2 24.0 -65.7 295 20 455.8 455.8 311.4 455.8 0.00 56 60 19571 -63.3 -90.3 1 27.0 -63.6 296 29 469.2 469.2 312.5 469.2 0.00 57 59 19675 -60.5 -89.5 1 29.0 -61.0 305 25 477.8 477.8 313.2 477.8 0.00 58 56 20000 -60.3 -88.3 1 28.0 -60.8 289 15 485.4 485.4 313.9 485.4 0.00 59 50 20710 -58.5 -88.5 1 30.0 -59.2 270 10 505.6 505.6 315.4 505.6 0.00 60 49 20837 -57.7 -87.7 1 30.0 -58.5 280 12 510.4 510.4 315.7 510.5 0.00 61 45 21371 -59.5 -88.5 1 29.0 -60.2 245 6 518.7 518.7 316.2 518.7 0.00 62 31 23712 -57.1 -87.1 1 30.0 -58.3 253 12 583.5 583.5 319.8 583.5 0.01 63 30 23920 -55.5 -86.5 1 31.0 -57.0 265 12 593.3 593.3 320.3 593.4 0.01 64 25 25092 -52.7 -85.7 1 33.0 -55.0 274 22 633.1 633.1 322.0 633.2 0.01 65 24 25355 -53.1 -86.1 1 33.0 -55.4 301 28 639.4 639.4 322.3 639.5 0.01 66 22 25923 -48.3 -83.3 1 35.0 -52.1 307 20 669.8 669.8 323.4 670.0 0.02 67 21 26229 -49.3 -83.3 1 34.0 -52.9 270 16 675.8 675.8 323.6 675.9 0.02 68 20 26550 -48.5 -83.5 1 35.0 -52.4 290 19 687.7 687.7 324.0 687.9 0.02 69 19 26888 -48.5 -83.5 1 35.0 -52.6 276 17 697.9 697.9 324.4 698.0 0.02 70 17 27625 -44.9 -81.9 1 37.0 -50.7 295 21 732.0 732.0 325.4 732.2 0.03 71 16 28026 -49.5 -83.5 1 34.0 -53.7 298 19 729.8 729.8 325.4 730.0 0.02 72 13 29379 -52.1 -85.1 1 33.0 -56.1 206 19 765.4 765.4 326.4 765.6 0.02 73 12 29899 -50.7 -84.7 1 34.0 -55.4 216 22 788.1 788.1 327.0 788.3 0.03 TRP 212 11767 -55.7 -69.7 16 14.0 -55.9 260 34 338.9 338.9 294.0 338.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5561.00 m Freezing level: 644.00 mb = 3846.02 m = 12618.04 ft Wetbulb zero: 858.00 mb = 1515.67 m = 4972.62 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 26.67 % Est. max temperature: 15.68 C = 60.22 F Sfc-Lift cond lev (LCL): 979.53 mb = 430.77 m = 1413.28 ft T: 9.89 C 700-500 lapse rate: 6.32 C/km ThetaE index: 6.41 C Layer 860.0- 842.0 mb Conv cond level (CCL): 623.19 mb = 4107.40 m = 13475.57 ft Mean mixing ratio: 5.26 g/kg Conv temperature: 38.97 C = 102.15 F Cap Strength: 16.48 C Lifted Index: 16.54 C Risk: None Lifted Index @300 mb: 19.24 C Lifted Index @700 mb: 13.52 C Showalter Index: 19.00 C Risk: None Total Totals Index: 13.80 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: -5.10 C K Index: -36.70 Risk: None Sweat Index: 16.00 Risk: None Energy Index: 5.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.28 J/kg Max Up Vert Vel: 7.11 m/s Conv Inhibition (B-): 50726.81 J/kg Cap Strength: 16.56 C Lift Cond Lev (LCL): 910.71 mb = 1030.95 m = 3382.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 205 at 5 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 1021 98 300 3 2.6 -1.5 | 356 6 0.4 -6.1 1 1000 259 85 11 -11.0 -1.0 | 67 14 -13.1 -5.6 2 994 305 100 13 -12.8 2.3 | 81 15 -15.0 -2.4 3 959 610 120 17 -14.7 8.5 | 103 17 -16.9 3.9 4 925 904 120 13 -11.3 6.5 | 98 14 -13.4 1.9 5 924 914 120 13 -11.3 6.5 | 98 14 -13.4 1.9 6 890 1219 225 2 1.4 1.4 | 13 3 -0.7 -3.2 7 850 1592 155 5 -2.1 4.5 | 89 4 -4.3 -0.1 8 826 1829 155 10 -4.2 9.1 | 125 8 -6.4 4.4 9 795 2134 155 9 -3.8 8.2 | 121 7 -6.0 3.5 10 766 2438 165 6 -1.6 5.8 | 107 4 -3.7 1.2 11 738 2743 170 6 -1.0 5.9 | 112 3 -3.2 1.3 12 700 3176 185 3 0.3 3.0 | 49 3 -1.9 -1.6 13 658 3658 210 2 1.0 1.7 | 22 3 -1.2 -2.9 14 609 4267 265 7 7.0 0.6 | 310 6 4.8 -4.0 15 564 4877 205 7 3.0 6.3 | 205 2 0.8 1.7 16 500 5820 270 6 6.0 -0.0 | 320 6 3.8 -4.6 17 482 6096 265 6 6.0 0.5 | 317 6 3.8 -4.1 18 444 6706 285 10 9.7 -2.6 | 314 10 7.5 -7.2 19 400 7480 295 14 12.7 -5.9 | 315 15 10.5 -10.6 20 392 7620 300 14 12.1 -7.0 | 319 15 10.0 -11.6 21 375 7925 275 15 14.9 -1.3 | 295 14 12.8 -5.9 22 315 9144 265 16 15.9 1.4 | 283 14 13.8 -3.2 23 300 9490 270 15 15.0 -0.0 | 290 14 12.8 -4.6 24 275 10058 275 15 14.9 -1.3 | 295 14 12.8 -5.9 25 263 10363 245 20 18.1 8.5 | 257 16 16.0 3.8 26 250 10700 245 20 18.1 8.5 | 257 16 16.0 3.8 27 229 11278 245 20 18.1 8.5 | 257 16 16.0 3.8 28 218 11582 235 28 22.9 16.1 | 241 24 20.8 11.4 29 212 11767 260 34 33.5 5.9 | 268 31 31.3 1.3 30 208 11887 245 35 31.7 14.8 | 251 31 29.6 10.2 31 200 12140 255 28 27.0 7.2 | 264 25 24.9 2.6 32 198 12192 270 29 29.0 -0.0 | 280 27 26.8 -4.6 33 189 12497 255 31 29.9 8.0 | 263 28 27.8 3.4 34 172 13106 275 27 26.9 -2.4 | 286 26 24.7 -7.0 35 150 13960 280 29 28.6 -5.0 | 290 28 26.4 -9.7 36 134 14630 280 30 29.5 -5.2 | 290 29 27.4 -9.8 37 122 15240 295 29 26.3 -12.3 | 305 29 24.1 -16.9 38 110 15850 305 25 20.5 -14.3 | 316 26 18.3 -19.0 39 105 16154 285 28 27.0 -7.2 | 296 28 24.9 -11.9 40 100 16450 295 25 22.7 -10.6 | 307 26 20.5 -15.2 41 95 16764 295 25 22.7 -10.6 | 307 26 20.5 -15.2 42 90 17069 285 30 29.0 -7.8 | 295 30 26.8 -12.4 43 86 17374 300 36 31.2 -18.0 | 308 37 29.0 -22.6 44 78 17983 320 25 16.1 -19.2 | 330 28 13.9 -23.8 45 74 18288 290 18 16.9 -6.2 | 306 18 14.8 -10.8 46 70 18593 295 16 14.5 -6.8 | 313 17 12.3 -11.4 47 70 18630 285 20 19.3 -5.2 | 300 20 17.2 -9.8 48 64 19202 295 20 18.1 -8.5 | 309 21 16.0 -13.1 49 61 19507 290 31 29.1 -10.6 | 299 31 27.0 -15.2 50 58 19812 315 21 14.8 -14.8 | 327 23 12.7 -19.5 51 55 20117 275 12 12.0 -1.0 | 300 11 9.8 -5.7 52 52 20422 280 19 18.7 -3.3 | 296 18 16.6 -7.9 53 50 20710 270 10 10.0 -0.0 | 301 9 7.8 -4.6 54 50 20726 295 13 11.8 -5.5 | 316 14 9.6 -10.1 55 48 21031 255 10 9.7 2.6 | 285 8 7.5 -2.0 56 45 21336 245 6 5.4 2.5 | 303 4 3.3 -2.1 57 41 21946 240 12 10.4 6.0 | 261 8 8.2 1.4 58 39 22250 305 10 8.2 -5.7 | 330 12 6.0 -10.4 59 36 22860 280 10 9.8 -1.7 | 310 10 7.7 -6.4 60 34 23165 285 16 15.5 -4.1 | 303 16 13.3 -8.8 61 31 23774 250 12 11.3 4.1 | 273 9 9.1 -0.5 62 30 23920 265 12 12.0 1.0 | 290 10 9.8 -3.6 63 29 24079 270 12 12.0 -0.0 | 295 11 9.8 -4.6 64 28 24384 270 15 15.0 -0.0 | 290 14 12.8 -4.6 65 27 24689 275 28 27.9 -2.4 | 285 27 25.7 -7.1 66 25 24994 260 18 17.7 3.1 | 276 16 15.6 -1.5 67 24 25298 300 29 25.1 -14.5 | 310 30 23.0 -19.1 68 22 25908 310 20 15.3 -12.9 | 323 22 13.2 -17.5 69 21 26213 270 16 16.0 -0.0 | 289 15 13.8 -4.6 70 20 26518 275 11 11.0 -1.0 | 302 10 8.8 -5.6 71 20 26550 290 19 17.9 -6.5 | 305 19 15.7 -11.1 72 18 26822 265 15 14.9 1.3 | 285 13 12.8 -3.3 73 17 27127 305 23 18.8 -13.2 | 317 24 16.7 -17.8 74 15 27432 285 12 11.6 -3.1 | 309 12 9.4 -7.7 75 14 27737 200 18 6.2 16.9 | 198 13 4.0 12.3 76 11 28346 225 24 17.0 17.0 | 230 19 14.8 12.3 77 10 28651 245 27 24.5 11.4 | 253 23 22.3 6.8 78 9 28956 255 17 16.4 4.4 | 271 14 14.3 -0.2 79 8 29261 250 18 16.9 6.2 | 264 15 14.8 1.5 80 6 30175 325 23 13.2 -18.8 | 335 26 11.0 -23.5 Wind Parameters Mean winds (0-6000m): 174.9 at 6.8 knts Storm direction: 204.9 at 5.1 knts Shear (0-3000m) pos: 0.6 neg: 0.8 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 65.5 deg Storm rel helicity (0-3000m) pos: 98.3 neg: -9.2 tot: 89.0 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.40 Bulk Shear: 17.99 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 ------------------------------------------------------------------------------- 500 104 12 83 14| 20.4 0.0 20.4| 79.4 0.0 79.4 158.8 0.86| 29.1 25.1 1000 115 13 93 13| 4.2 0.0 4.2| 91.1 -4.2 87.0 87.0 0.64| 22.9 14.7 1500 119 10 90 11| 2.8 1.0 3.9| 93.3 -5.5 87.7 58.5 0.49| 18.8 9.2 2000 128 9 97 10| 2.1 1.2 3.3| 98.1 -6.2 91.9 45.9 0.49| 15.5 7.6 2500 134 9 100 9| 1.1 1.0 2.1| 98.2 -7.8 90.4 36.2 0.45| 13.1 5.9 3000 138 8 101 8| 0.6 0.8 1.4| 98.3 -9.2 89.0 29.7 0.40| 11.4 4.5 4000 145 7 100 6| 0.9 0.6 1.5| 98.3 -12.7 85.5 21.4 0.29| 9.4 2.8 5000 161 7 113 5| 0.7 0.7 1.5| 99.1 -18.0 81.1 16.2 0.21| 8.6 1.8 6000 175 7 128 3| 0.8 0.6 1.4|103.3 -18.3 85.0 14.2 0.24| 7.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20251010.12.gif