UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060900.upa.cvt Date: 0000Z 9 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 9 JUN 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 57 90 6 SFC 996 98 22.0 19.7 87 2.3 20.4 90 6 295.5 298.1 293.7 337.6 14.66 2 933 658 18.0 18.0 100 0.0 18.0 130 17 297.0 299.5 293.7 337.6 14.05 3 925 731 18.0 17.9 99 0.1 17.9 145 17 297.7 300.3 294.0 338.6 14.09 4 913 843 18.2 17.4 95 0.8 17.7 169 13 299.0 301.6 294.1 339.3 13.82 5 867 1285 15.8 15.1 96 0.7 15.3 211 14 301.0 303.3 293.8 337.9 12.55 6 860 1354 16.0 14.1 88 1.9 14.7 216 15 301.9 304.1 293.5 336.9 11.84 7 850 1454 15.2 13.9 92 1.3 14.4 225 15 302.1 304.2 293.6 337.0 11.83 8 809 1872 12.0 12.0 100 0.0 12.0 231 15 303.0 305.0 293.2 335.5 10.96 9 805 1913 12.2 11.4 95 0.8 11.7 231 16 303.6 305.6 293.1 335.1 10.58 10 789 2082 11.0 11.0 100 0.0 11.0 234 17 304.1 306.0 293.2 335.4 10.51 11 773 2253 10.0 10.0 100 0.0 10.0 237 15 304.8 306.6 293.0 334.8 10.03 12 771 2275 10.2 8.4 89 1.8 9.1 237 15 305.2 306.9 292.3 332.3 9.01 13 716 2889 6.8 6.5 98 0.3 6.6 272 14 308.0 309.6 292.7 333.9 8.51 14 713 2923 6.8 6.3 97 0.5 6.5 274 14 308.4 310.0 292.8 334.1 8.43 15 711 2946 7.0 5.7 91 1.3 6.2 275 14 308.9 310.4 292.7 333.6 8.11 16 709 2970 7.4 4.5 82 2.9 5.7 276 14 309.5 311.0 292.4 332.5 7.47 17 704 3028 6.6 4.8 88 1.8 5.6 279 15 309.3 310.7 292.5 332.8 7.69 18 700 3075 6.6 3.7 82 2.9 4.9 270 23 309.8 311.1 292.2 331.8 7.15 19 668 3458 3.8 3.4 97 0.4 3.6 267 26 310.8 312.2 292.7 333.5 7.34 20 636 3856 1.2 1.2 100 0.0 1.2 265 30 312.3 313.5 292.4 332.7 6.58 21 633 3895 1.8 0.3 90 1.5 1.0 265 30 313.4 314.5 292.4 332.8 6.19 22 622 4036 0.4 0.2 99 0.2 0.3 264 31 313.3 314.5 292.5 332.9 6.25 23 619 4075 0.4 0.0 97 0.4 0.2 263 31 313.8 315.0 292.6 333.2 6.19 24 617 4101 0.8 -0.7 90 1.5 0.0 263 31 314.5 315.7 292.6 333.1 5.90 25 603 4286 -0.7 -0.7 100 0.0 -0.7 260 30 314.9 316.0 292.7 333.9 6.04 26 561 4860 -4.7 -5.7 93 1.0 -5.2 274 24 316.7 317.6 292.0 331.0 4.46 27 555 4945 -5.3 -5.7 97 0.4 -5.5 272 25 317.0 317.8 292.1 331.5 4.51 28 553 4973 -5.1 -5.1 100 0.0 -5.1 270 25 317.5 318.5 292.4 332.8 4.74 29 547 5059 -6.1 -6.2 99 0.1 -6.1 264 27 317.3 318.2 292.1 331.5 4.40 30 545 5088 -5.5 -5.5 100 0.0 -5.5 262 27 318.4 319.3 292.6 333.4 4.66 31 522 5426 -7.3 -7.3 100 0.0 -7.3 257 31 320.2 321.0 292.8 334.0 4.24 32 517 5501 -8.3 -8.3 100 0.0 -8.3 258 32 319.8 320.6 292.4 332.8 3.96 33 509 5622 -9.7 -10.7 92 1.0 -10.1 259 33 319.6 320.2 291.9 330.5 3.32 34 505 5683 -10.1 -10.1 100 0.0 -10.1 259 33 319.8 320.5 292.1 331.3 3.52 35 500 5760 -10.9 -12.0 92 1.1 -11.3 260 34 319.7 320.3 291.6 329.8 3.05 36 497 5806 -11.3 -11.9 95 0.6 -11.5 260 35 319.8 320.4 291.7 330.0 3.09 37 495 5837 -11.3 -12.0 95 0.7 -11.6 260 35 320.2 320.8 291.8 330.3 3.08 38 490 5915 -11.3 -11.4 99 0.1 -11.3 260 36 321.1 321.8 292.2 331.9 3.27 39 489 5931 -10.7 -10.9 98 0.2 -10.8 260 36 322.0 322.7 292.6 333.3 3.41 40 484 6010 -10.9 -11.0 99 0.1 -10.9 260 38 322.7 323.4 292.8 334.1 3.41 41 476 6138 -12.3 -13.7 89 1.4 -12.8 260 39 322.5 323.1 292.2 331.9 2.79 42 458 6431 -15.9 -18.0 84 2.1 -16.6 260 41 321.6 322.0 291.3 328.5 2.03 43 451 6547 -16.5 -17.6 91 1.1 -16.9 257 40 322.3 322.7 291.6 329.5 2.13 44 449 6580 -16.1 -16.7 95 0.6 -16.3 256 40 323.2 323.7 292.0 331.0 2.31 45 444 6664 -16.7 -17.2 96 0.5 -16.9 254 39 323.5 323.9 292.0 331.1 2.24 46 440 6732 -17.5 -19.4 85 1.9 -18.1 253 38 323.3 323.7 291.6 329.7 1.87 47 433 6852 -18.5 -18.8 97 0.3 -18.6 250 37 323.5 323.9 291.8 330.3 2.00 48 427 6956 -19.7 -20.8 91 1.1 -20.0 248 36 323.3 323.6 291.5 329.1 1.71 49 424 7009 -19.3 -21.0 86 1.7 -19.8 247 36 324.5 324.8 291.8 330.3 1.69 50 413 7204 -20.9 -22.5 87 1.6 -21.3 243 34 324.8 325.1 291.7 330.1 1.52 51 412 7222 -21.1 -22.7 87 1.6 -21.5 242 34 324.8 325.1 291.7 330.0 1.50 52 411 7240 -21.3 -23.2 85 1.9 -21.8 242 34 324.8 325.1 291.6 329.8 1.44 53 400 7440 -21.3 -22.9 87 1.6 -21.7 250 39 327.3 327.6 292.4 332.6 1.52 54 300 9490 -36.9 -40.2 71 3.3 -37.2 240 43 333.4 333.4 293.0 334.8 0.38 55 250 10730 -46.3 -53.3 45 7.0 -46.6 240 51 337.2 337.3 293.7 337.7 0.11 56 213 11776 -52.3 -65.1 20 12.7 -52.6 235 72 343.7 343.7 295.2 343.8 0.03 57 200 12180 -54.7 -69.7 14 15.0 -54.9 245 67 346.1 346.1 295.8 346.2 0.02 58 158 13667 -61.9 -79.9 7 18.0 -62.0 255 62 358.1 358.1 298.3 358.1 0.00 59 150 13990 -60.3 -82.3 4 22.0 -60.5 250 40 366.2 366.2 299.9 366.2 0.00 60 100 16510 -62.7 -86.7 3 24.0 -62.9 260 26 406.6 406.6 306.1 406.6 0.00 61 96 16761 -64.1 -87.1 3 23.0 -64.3 260 26 408.6 408.6 306.3 408.6 0.00 62 95 16825 -62.7 -87.7 2 25.0 -62.9 258 25 412.6 412.6 306.8 412.6 0.00 63 90 17157 -64.5 -88.5 2 24.0 -64.7 247 23 415.4 415.4 307.2 415.4 0.00 64 87 17367 -60.7 -87.7 2 27.0 -61.0 240 21 427.1 427.1 308.5 427.1 0.00 65 81 17810 -62.1 -89.1 2 27.0 -62.4 175 15 433.1 433.1 309.1 433.1 0.00 66 78 18044 -62.1 -88.1 2 26.0 -62.4 186 20 437.8 437.8 309.7 437.8 0.00 67 70 18720 -57.7 -87.7 1 30.0 -58.3 250 11 460.9 460.9 311.8 461.0 0.00 68 62 19480 -60.3 -88.3 1 28.0 -60.7 266 3 471.5 471.5 312.8 471.5 0.00 69 60 19685 -58.7 -88.7 1 30.0 -59.3 253 4 479.5 479.5 313.4 479.5 0.00 70 58 19897 -60.3 -89.3 1 29.0 -60.8 239 7 480.5 480.5 313.5 480.6 0.00 71 52 20582 -56.9 -87.9 1 31.0 -57.7 110 7 503.7 503.7 315.2 503.7 0.00 72 50 20830 -57.5 -88.5 1 31.0 -58.3 50 6 508.0 508.0 315.5 508.0 0.00 73 49 20957 -57.3 -89.3 1 32.0 -58.1 56 6 511.4 511.4 315.7 511.4 0.00 74 46 21358 -55.3 -87.3 1 32.0 -56.3 76 6 525.5 525.5 316.6 525.6 0.00 75 43 21787 -56.5 -87.5 1 31.0 -57.5 87 5 532.8 532.8 317.1 532.9 0.00 76 38 22573 -54.7 -87.7 1 33.0 -56.1 69 11 556.6 556.6 318.5 556.6 0.00 77 37 22743 -55.7 -88.7 1 33.0 -56.9 97 15 558.3 558.3 318.5 558.3 0.00 78 30 24090 -51.7 -86.7 1 35.0 -53.9 85 9 603.7 603.7 320.7 603.7 0.01 79 28 24538 -51.3 -87.3 1 36.0 -53.7 90 10 616.8 616.8 321.3 616.9 0.01 80 27 24774 -52.3 -88.3 1 36.0 -54.6 95 12 620.5 620.5 321.5 620.5 0.01 81 25 25275 -50.1 -88.1 0 38.0 -53.1 102 11 640.6 640.6 322.3 640.6 0.01 82 24 25541 -50.9 -87.9 0 37.0 -53.7 98 13 645.8 645.8 322.5 645.9 0.01 83 23 25819 -49.3 -87.3 0 38.0 -52.7 96 16 658.4 658.4 323.0 658.5 0.01 84 20 26740 -47.5 -86.5 0 39.0 -51.8 35 7 690.8 690.8 324.1 690.9 0.01 85 18 27441 -44.9 -84.9 0 40.0 -50.5 45 12 720.1 720.1 325.1 720.2 0.02 86 17 27822 -45.9 -84.9 0 39.0 -51.2 43 20 728.8 728.8 325.3 728.9 0.02 87 15 28655 -45.7 -84.7 0 39.0 -51.5 101 14 756.0 756.0 326.1 756.2 0.02 88 13 29621 -40.1 -81.1 0 41.0 -49.1 99 17 807.0 807.0 327.4 807.4 0.04 89 11 30765 -38.7 -80.7 0 42.0 -49.3 79 22 851.6 851.6 328.4 852.1 0.05 90 10 31420 -38.1 -80.1 0 42.0 -49.4 85 26 877.3 877.4 329.0 878.0 0.07 91 9.6 31702 -37.5 -79.5 0 42.0 -49.4 86 25 889.9 889.9 329.2 890.7 0.08 92 8.8 32303 -38.1 -80.1 0 42.0 -50.1 89 23 910.0 910.0 329.6 910.8 0.07 93 8.1 32879 -33.7 -77.7 0 44.0 -48.8 91 22 949.3 949.3 330.4 950.6 0.12 94 7.0 33900 -35.7 -78.7 0 43.0 -50.4 95 19 981.5 981.5 330.9 982.8 0.12 95 6.7 34204 -36.7 -78.7 0 42.0 -51.0 989.7 989.7 331.0 991.1 0.12 96 6.5 34414 -35.7 -78.7 0 43.0 -50.8 1002.5 1002.6 331.2 1004.0 0.13 97 6.3 34633 -32.7 -76.7 0 44.0 -49.9 1024.3 1024.4 331.6 1026.5 0.18 TRP 158 13667 -61.9 -79.9 7 18.0 -62.0 255 62 358.1 358.1 298.3 358.1 0.00 WND 213 11776 -52.3 -65.1 20 12.7 -52.6 235 72 343.7 343.7 295.2 343.8 0.03 Sounding variables and indices 1000-500 mb thick: 5703.00 m Freezing level: 609.53 mb = 4199.46 m = 13777.60 ft Wetbulb zero: 616.61 mb = 4106.22 m = 13471.67 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 95.32 % Est. max temperature: 28.66 C = 83.59 F Sfc-Lift cond lev (LCL): 963.27 mb = 384.23 m = 1260.58 ft T: 19.95 C 700-500 lapse rate: 6.52 C/km ThetaE index: 3.11 C Layer 773.0- 716.0 mb Conv cond level (CCL): 935.46 mb = 635.17 m = 2083.86 ft Mean mixing ratio: 14.15 g/kg Conv temperature: 23.43 C = 74.18 F Cap Strength: 0.92 C Lifted Index: -3.30 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.65 C Lifted Index @700 mb: -0.45 C Showalter Index: -2.83 C Risk: Severe thunderstorms possible Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 24.80 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 365.50 Risk: Showers and thunderstorms possible Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 668.61 J/kg Max Up Vert Vel: 36.57 m/s Conv Inhibition (B-): 17.19 J/kg Cap Strength: 0.88 C Lift Cond Lev (LCL): 932.69 mb = 660.54 m = 2167.09 ft Lev Free Conv (LFC): 827.69 mb = 1678.74 m = 5507.61 ft Equ Level (EL): 247.69 mb = 10790.58 m = 35401.75 ft B at Equ Level: 664.79 J/kg Max Parcel Lev (MPL): 157.69 mb = 13678.80 m = 44877.41 ft Wind level data Storm motion: 283 at 16 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 ---------------------------------------------------------- 0 996 98 90 6 -6.0 0.0 | 100 22 -22.0 3.7 1 972 305 100 13 -12.8 2.3 | 102 29 -28.8 6.0 2 938 610 120 17 -14.7 8.5 | 112 33 -30.7 12.2 3 925 731 145 17 -9.8 13.9 | 124 31 -25.8 17.6 4 905 914 185 10 0.9 10.0 | 132 20 -15.1 13.7 5 874 1219 205 14 5.9 12.7 | 148 19 -10.1 16.4 6 850 1454 225 15 10.6 10.6 | 159 15 -5.4 14.3 7 813 1829 230 15 11.5 9.6 | 161 14 -4.5 13.4 8 784 2134 235 17 13.9 9.8 | 171 14 -2.1 13.5 9 755 2438 240 12 10.4 6.0 | 150 11 -5.6 9.7 10 728 2743 265 13 13.0 1.1 | 148 6 -3.1 4.9 11 702 3048 280 15 14.8 -2.6 | 132 2 -1.2 1.1 12 700 3075 270 23 23.0 -0.0 | 242 8 7.0 3.7 13 651 3658 265 28 27.9 2.4 | 243 13 11.9 6.2 14 626 3962 265 31 30.9 2.7 | 247 16 14.9 6.4 15 603 4267 260 30 29.5 5.2 | 237 16 13.5 8.9 16 559 4877 275 24 23.9 -2.1 | 258 8 7.9 1.6 17 538 5182 255 29 28.0 7.5 | 227 16 12.0 11.2 18 500 5760 260 34 33.5 5.9 | 241 20 17.5 9.6 19 478 6096 260 39 38.4 6.8 | 245 25 22.4 10.5 20 459 6401 260 41 40.4 7.1 | 246 27 24.4 10.8 21 407 7315 240 33 28.6 16.5 | 212 24 12.6 20.2 22 400 7440 250 39 36.6 13.3 | 230 27 20.6 17.1 23 390 7620 250 39 36.6 13.3 | 230 27 20.6 17.1 24 374 7925 250 35 32.9 12.0 | 227 23 16.9 15.7 25 358 8230 240 47 40.7 23.5 | 222 37 24.7 27.2 26 343 8534 250 51 47.9 17.4 | 236 38 31.9 21.2 27 315 9144 260 46 45.3 8.0 | 248 32 29.3 11.7 28 302 9449 255 39 37.7 10.1 | 237 26 21.7 13.8 29 300 9490 240 43 37.2 21.5 | 220 33 21.2 25.2 30 289 9754 235 41 33.6 23.5 | 213 32 17.6 27.2 31 250 10730 240 51 44.2 25.5 | 224 41 28.2 29.2 32 213 11776 235 72 59.0 41.3 | 224 62 43.0 45.0 33 209 11887 235 72 59.0 41.3 | 224 62 43.0 45.0 34 200 12180 245 67 60.7 28.3 | 234 55 44.7 32.0 35 165 13411 255 55 53.1 14.2 | 244 41 37.1 18.0 36 158 13667 255 62 59.9 16.0 | 246 48 43.9 19.8 37 157 13716 250 67 63.0 22.9 | 240 54 46.9 26.6 38 150 13990 250 40 37.6 13.7 | 231 28 21.6 17.4 39 142 14326 250 40 37.6 13.7 | 231 28 21.6 17.4 40 135 14630 245 55 49.8 23.2 | 231 43 33.8 27.0 41 123 15240 230 54 41.4 34.7 | 213 46 25.4 38.4 42 117 15545 235 59 48.3 33.8 | 221 50 32.3 37.6 43 106 16154 265 45 44.8 3.9 | 255 30 28.8 7.6 44 100 16510 260 26 25.6 4.5 | 229 13 9.6 8.2 45 96 16764 260 26 25.6 4.5 | 229 13 9.6 8.2 46 87 17374 240 21 18.2 10.5 | 189 14 2.2 14.2 47 83 17678 175 13 -1.1 13.0 | 134 24 -17.1 16.7 48 79 17983 175 18 -1.6 17.9 | 141 28 -17.6 21.7 49 75 18288 225 29 20.5 20.5 | 191 25 4.5 24.2 50 71 18593 245 21 19.0 8.9 | 193 13 3.0 12.6 51 70 18720 250 11 10.3 3.8 | 143 9 -5.7 7.5 52 68 18898 245 11 10.0 4.6 | 144 10 -6.0 8.4 53 65 19202 280 10 9.8 -1.7 | 108 6 -6.2 2.0 54 62 19507 265 2 2.0 0.2 | 106 15 -14.0 3.9 55 56 20117 225 10 7.1 7.1 | 140 14 -8.9 10.8 56 50 20830 50 6 -4.6 -3.9 | 90 21 -20.6 -0.1 57 46 21336 75 6 -5.8 -1.6 | 96 22 -21.8 2.2 58 40 22250 100 4 -3.9 0.7 | 102 20 -19.9 4.4 59 38 22555 65 10 -9.1 -4.2 | 89 25 -25.1 -0.5 60 36 22860 115 18 -16.3 7.6 | 109 34 -32.3 11.3 61 35 23165 140 13 -8.4 10.0 | 119 28 -24.4 13.7 62 33 23470 125 10 -8.2 5.7 | 111 26 -24.2 9.5 63 32 23774 85 13 -13.0 -1.1 | 95 29 -29.0 2.6 64 30 24079 145 13 -7.5 10.6 | 121 28 -23.5 14.4 65 30 24090 85 9 -9.0 -0.8 | 97 25 -25.0 2.9 66 29 24384 100 7 -6.9 1.2 | 102 23 -22.9 4.9 67 27 24689 80 13 -12.8 -2.3 | 93 29 -28.8 1.5 68 26 24994 130 10 -7.7 6.4 | 113 26 -23.7 10.1 69 25 25298 100 11 -10.8 1.9 | 102 27 -26.8 5.6 70 23 25908 95 17 -16.9 1.5 | 99 33 -32.9 5.2 71 20 26740 35 7 -4.0 -5.7 | 84 20 -20.0 -2.0 72 19 27127 35 10 -5.7 -8.2 | 78 22 -21.7 -4.5 73 18 27432 45 12 -8.5 -8.5 | 79 25 -24.5 -4.8 74 17 27737 40 19 -12.2 -14.6 | 69 30 -28.2 -10.8 75 16 28042 50 23 -17.6 -14.8 | 72 35 -33.6 -11.1 76 16 28346 70 13 -12.2 -4.4 | 89 28 -28.2 -0.7 77 15 28651 100 14 -13.8 2.4 | 102 30 -29.8 6.2 78 14 28956 105 17 -16.4 4.4 | 104 33 -32.4 8.1 79 14 29261 60 10 -8.7 -5.0 | 87 25 -24.7 -1.3 80 13 29566 110 17 -16.0 5.8 | 107 33 -32.0 9.5 81 13 29870 70 17 -16.0 -5.8 | 86 32 -32.0 -2.1 82 10 31420 85 26 -25.9 -2.3 | 92 42 -41.9 1.5 83 7 33900 95 19 -18.9 1.7 | 99 35 -34.9 5.4 Wind Parameters Mean winds (0-6000m): 253.1 at 21.9 knts Storm direction: 283.1 at 16.4 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 142.5 deg Storm rel helicity (0-3000m) pos: 198.2 neg: -13.9 tot: 184.3 m^2/s^2 ave: 61.4 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 5.7 10^-3/s Energy-Hel index: 0.81 Bulk Rich Number: 4.57 Bulk Shear: 146.19 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 ------------------------------------------------------------------------------- 500 107 13 105 29| 12.3 0.0 12.3| 50.2 0.0 50.2 100.4 0.46| 13.9 6.4 1000 133 13 116 29| 7.9 0.0 7.9|156.2 0.0 156.2 156.2 0.59| 18.1 10.6 1500 163 14 130 26| 6.8 0.0 6.8|184.2 0.0 184.2 122.8 0.61| 14.8 9.1 2000 187 14 141 23| 5.6 0.0 5.6|193.1 0.0 193.1 96.5 0.63| 11.9 7.4 2500 201 14 147 20| 3.8 0.0 3.8|193.3 -12.9 180.4 72.2 0.46| 11.0 5.1 3000 216 14 153 17| 5.0 0.0 5.0|198.2 -13.9 184.3 61.4 0.47| 12.1 5.7 4000 242 18 178 12| 3.8 1.0 4.8|201.5 -18.6 183.0 45.7 0.42| 10.2 4.3 5000 251 20 193 11| 2.7 1.1 3.8|213.7 -36.3 177.4 35.5 0.33| 9.9 3.2 6000 253 22 206 11| 2.8 1.3 4.1|243.2 -42.9 200.3 33.4 0.32| 9.4 3.0 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250609.00.gif