UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061912.upa.cvt Date: 1200Z 19 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1002 98 24.2 22.5 90 1.7 23.0 210 6 297.2 300.3 296.1 347.5 17.38 1 1000 103 23.8 22.1 90 1.7 22.6 205 7 297.0 300.0 295.7 346.1 16.98 2 994 156 23.0 21.3 90 1.7 21.8 209 10 296.7 299.6 295.2 343.6 16.25 3 983 253 22.8 20.5 87 2.3 21.2 216 15 297.4 300.2 295.0 342.7 15.63 4 976 316 25.2 19.2 69 6.0 21.0 220 18 300.4 303.1 295.0 342.9 14.49 5 968 388 26.2 18.2 61 8.0 20.6 223 17 302.1 304.7 295.0 342.6 13.71 6 963 434 26.0 17.0 58 9.0 19.8 224 16 302.4 304.7 294.3 340.1 12.76 7 925 788 23.4 16.4 65 7.0 18.6 250 16 303.2 305.6 294.6 341.2 12.78 8 914 892 22.4 16.4 69 6.0 18.3 262 16 303.2 305.6 294.7 341.6 12.94 9 894 1085 21.2 15.2 69 6.0 17.2 265 17 303.9 306.2 294.4 340.4 12.24 10 866 1361 20.2 12.2 60 8.0 15.0 256 18 305.7 307.6 293.5 336.8 10.36 11 862 1401 20.2 12.2 60 8.0 15.0 253 19 306.1 308.0 293.7 337.4 10.41 12 850 1522 19.8 9.8 52 10.0 13.5 245 20 306.9 308.6 292.8 334.1 8.98 13 841 1614 19.4 9.4 52 10.0 13.1 245 19 307.4 309.1 292.9 334.2 8.84 14 756 2518 11.0 7.6 80 3.4 8.9 239 19 307.8 309.4 292.9 334.2 8.70 15 748 2607 10.2 6.9 80 3.3 8.2 237 22 307.9 309.5 292.6 333.4 8.37 16 733 2775 9.6 3.6 66 6.0 6.2 235 26 309.0 310.3 291.7 329.8 6.77 17 719 2936 8.4 3.7 72 4.7 5.7 233 28 309.4 310.7 291.9 330.8 6.96 18 708 3063 8.0 2.0 66 6.0 4.7 231 30 310.3 311.5 291.6 329.7 6.26 19 700 3157 7.4 1.4 66 6.0 4.1 230 31 310.7 311.8 291.6 329.5 6.06 20 669 3529 5.0 1.8 80 3.2 3.2 226 30 312.0 313.3 292.3 332.4 6.53 21 665 3578 4.8 1.2 77 3.6 2.8 226 30 312.3 313.5 292.3 332.0 6.29 22 661 3627 4.8 -1.2 65 6.0 1.7 225 30 312.9 313.9 291.6 329.6 5.31 23 647 3801 3.8 -3.2 60 7.0 0.3 225 31 313.7 314.6 291.3 328.5 4.67 24 632 3991 2.2 -3.8 64 6.0 -0.7 225 33 314.0 314.8 291.3 328.5 4.57 25 625 4081 1.8 -6.2 55 8.0 -1.9 225 34 314.5 315.2 290.8 326.8 3.85 26 623 4107 1.4 -2.1 77 3.5 -0.4 225 34 314.3 315.3 292.0 331.0 5.27 27 620 4146 1.0 -0.8 88 1.8 0.1 225 35 314.3 315.4 292.4 332.7 5.83 28 613 4237 0.4 -1.0 90 1.4 -0.3 225 36 314.6 315.8 292.5 333.0 5.81 29 612 4251 0.2 -1.1 91 1.3 -0.5 225 36 314.6 315.7 292.4 332.8 5.78 30 605 4343 -0.5 -1.3 94 0.8 -0.9 226 36 314.8 315.9 292.5 333.0 5.76 31 602 4383 -0.7 -2.0 91 1.3 -1.4 227 36 315.0 316.1 292.4 332.4 5.49 32 599 4423 -0.5 -4.6 74 4.1 -2.5 228 36 315.7 316.6 291.7 330.2 4.54 33 594 4490 -0.9 -5.3 72 4.4 -3.0 230 36 316.0 316.8 291.7 329.9 4.34 34 588 4571 -1.5 -3.2 88 1.7 -2.3 232 36 316.2 317.2 292.4 332.6 5.14 35 574 4762 -2.5 -6.3 75 3.8 -4.3 237 37 317.2 318.0 291.9 330.6 4.16 36 572 4790 -2.7 -7.0 72 4.3 -4.7 237 37 317.3 318.1 291.7 330.1 3.96 37 567 4860 -2.3 -10.3 54 8.0 -5.7 239 37 318.6 319.2 291.3 328.7 3.08 38 564 4902 -2.5 -9.5 59 7.0 -5.5 240 37 318.8 319.5 291.6 329.6 3.30 39 557 5001 -3.1 -10.1 58 7.0 -6.1 240 38 319.2 319.9 291.6 329.7 3.19 40 553 5058 -3.1 -12.1 50 9.0 -6.8 240 38 319.9 320.4 291.4 329.0 2.73 41 540 5246 -4.5 -12.5 54 8.0 -7.7 240 39 320.4 321.0 291.6 329.4 2.71 42 537 5290 -4.9 -9.5 70 4.6 -6.9 240 39 320.5 321.1 292.2 331.9 3.47 43 536 5305 -5.1 -9.6 71 4.5 -7.0 240 40 320.4 321.1 292.2 331.7 3.44 44 526 5453 -6.1 -10.0 74 3.9 -7.8 240 40 320.9 321.6 292.3 332.1 3.40 45 521 5528 -5.9 -11.9 63 6.0 -8.4 240 41 322.0 322.6 292.2 331.9 2.95 46 519 5558 -6.1 -9.3 78 3.2 -7.5 240 41 322.1 322.9 292.9 334.2 3.64 47 518 5573 -5.9 -9.7 74 3.8 -7.5 240 41 322.6 323.3 292.9 334.3 3.54 48 516 5603 -6.1 -9.8 75 3.7 -7.7 240 41 322.7 323.4 292.9 334.4 3.52 49 514 5634 -6.1 -10.0 74 3.9 -7.8 240 42 323.0 323.7 293.0 334.6 3.48 50 513 5649 -6.1 -15.1 49 9.0 -9.5 240 42 323.2 323.7 292.0 331.0 2.31 51 511 5680 -6.3 -10.3 73 4.0 -8.0 240 42 323.3 324.0 293.0 334.7 3.42 52 506 5757 -6.5 -11.3 69 4.8 -8.5 240 42 324.0 324.6 293.0 334.7 3.19 53 500 5850 -7.3 -11.5 72 4.2 -9.1 240 43 324.1 324.8 293.0 334.8 3.17 54 493 5960 -8.3 -11.7 76 3.4 -9.7 238 43 324.2 324.9 293.0 334.8 3.17 55 400 7560 -17.3 -25.3 50 8.0 -19.4 235 33 332.5 332.8 293.6 336.9 1.22 56 300 9640 -33.3 -42.3 40 9.0 -34.3 220 32 338.4 338.5 294.2 339.6 0.31 57 250 10900 -43.3 -59.3 16 16.0 -44.0 240 34 341.7 341.7 294.8 341.9 0.05 58 200 12360 -54.7 -67.7 19 13.0 -54.9 230 24 346.1 346.1 295.8 346.2 0.02 59 150 14160 -60.5 -78.5 8 18.0 -60.7 220 33 365.9 365.9 299.8 365.9 0.01 60 120 15528 -67.7 -85.7 6 18.0 -67.8 260 20 376.8 376.8 301.7 376.8 0.00 61 100 16630 -66.1 -87.1 4 21.0 -66.2 215 16 400.0 400.0 305.2 400.0 0.00 62 99 16691 -66.3 -87.3 4 21.0 -66.4 215 16 400.8 400.8 305.3 400.8 0.00 63 80 17982 -64.7 -88.7 2 24.0 -64.9 225 14 429.3 429.3 308.7 429.3 0.00 64 75 18373 -66.3 -89.3 3 23.0 -66.5 331 7 433.9 433.9 309.3 433.9 0.00 65 70 18790 -65.9 -88.9 3 23.0 -66.1 195 6 443.4 443.4 310.2 443.4 0.00 66 69 18877 -65.9 -88.9 3 23.0 -66.1 202 6 445.2 445.2 310.4 445.2 0.00 67 65 19242 -64.3 -89.3 2 25.0 -64.6 231 5 456.4 456.4 311.4 456.4 0.00 68 58 19950 -58.1 -87.1 1 29.0 -58.7 287 4 485.5 485.5 313.9 485.5 0.00 69 58 19950 -58.1 -87.1 1 29.0 -58.7 287 4 485.5 485.5 313.9 485.5 0.00 70 52 20635 -60.5 -87.5 2 27.0 -61.0 341 3 495.3 495.3 314.6 495.3 0.00 71 50 20880 -59.9 -87.9 1 28.0 -60.5 360 3 502.3 502.3 315.1 502.3 0.00 72 49 21006 -59.7 -87.7 1 28.0 -60.3 210 9 505.7 505.7 315.4 505.7 0.00 73 45 21544 -55.1 -86.1 1 31.0 -56.2 59 8 529.3 529.3 316.9 529.4 0.01 74 41 22140 -53.5 -85.5 1 32.0 -54.9 88 13 547.6 547.6 317.9 547.7 0.01 75 39 22461 -54.3 -85.3 1 31.0 -55.6 109 15 553.5 553.5 318.3 553.5 0.01 76 38 22628 -53.1 -85.1 1 32.0 -54.7 102 14 560.7 560.7 318.7 560.7 0.01 77 31 23939 -53.1 -85.1 1 32.0 -55.0 89 7 594.3 594.3 320.3 594.3 0.01 78 30 24150 -53.5 -85.5 1 32.0 -55.4 35 11 598.8 598.8 320.6 598.8 0.01 79 27 24825 -54.1 -86.1 1 32.0 -56.0 51 11 615.4 615.4 321.3 615.5 0.01 80 21 26451 -49.7 -83.7 1 34.0 -53.1 97 17 674.6 674.6 323.6 674.7 0.02 81 21 26451 -50.1 -84.1 1 34.0 -53.4 97 17 673.4 673.4 323.6 673.5 0.02 82 20 26770 -49.5 -83.5 1 34.0 -53.1 130 14 684.7 684.7 323.9 684.8 0.02 83 19 27106 -50.1 -84.1 1 34.0 -53.7 135 16 692.9 692.9 324.2 693.0 0.02 84 17 27838 -47.7 -83.7 1 36.0 -52.4 79 13 723.0 723.0 325.1 723.2 0.02 85 15 28664 -48.5 -83.5 1 35.0 -53.3 79 24 746.7 746.7 325.8 746.9 0.02 86 14 29120 -47.3 -83.3 1 36.0 -52.8 64 27 765.6 765.7 326.4 765.9 0.03 87 13 29610 -48.3 -84.3 1 36.0 -53.6 75 35 778.6 778.6 326.7 778.8 0.02 88 12 30145 -42.5 -81.5 1 39.0 -50.7 80 42 817.2 817.2 327.7 817.6 0.04 89 11 30732 -43.3 -82.3 1 39.0 -51.4 87 37 834.8 834.9 328.1 835.2 0.04 90 10 31380 -39.3 -81.3 0 42.0 -50.0 95 32 872.8 872.9 328.9 873.4 0.05 91 9.4 31806 -37.7 -79.7 0 42.0 -49.6 93 31 894.5 894.5 329.3 895.3 0.07 92 8.5 32499 -38.5 -80.5 0 42.0 -50.4 90 29 917.5 917.5 329.8 918.3 0.07 93 7.8 33090 -38.3 -80.3 0 42.0 -50.8 88 28 941.1 941.2 330.2 942.0 0.08 94 7.0 33840 -35.1 -78.1 0 43.0 -50.1 85 26 983.9 984.0 330.9 985.4 0.13 95 6.6 34252 -33.1 -77.1 0 44.0 -49.7 1009.0 1009.1 331.4 1011.0 0.16 TRP 120 15528 -67.7 -85.7 6 18.0 -67.8 260 20 376.8 376.8 301.7 376.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 610.00 mb = 4276.93 m = 14031.76 ft Wetbulb zero: 642.55 mb = 3857.18 m = 12654.64 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 68.57 % Est. max temperature: 33.78 C = 92.80 F Sfc-Lift cond lev (LCL): 977.85 mb = 299.08 m = 981.23 ft T: 24.56 C 700-500 lapse rate: 5.46 C/km ThetaE index: 4.84 C Layer 894.0- 862.0 mb Conv cond level (CCL): 796.67 mb = 2073.21 m = 6801.80 ft Mean mixing ratio: 13.70 g/kg Conv temperature: 34.67 C = 94.41 F Cap Strength: 4.15 C Lifted Index: -1.28 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.30 C Lifted Index @700 mb: -0.82 C Showalter Index: 2.06 C Risk: Showers probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 17.10 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.60 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 336.11 J/kg Max Up Vert Vel: 25.93 m/s Conv Inhibition (B-): 158.88 J/kg Cap Strength: 4.13 C Lift Cond Lev (LCL): 869.87 mb = 1322.12 m = 4337.62 ft Lev Free Conv (LFC): 754.87 mb = 2530.41 m = 8301.76 ft Equ Level (EL): 274.87 mb = 10244.60 m = 33610.48 ft B at Equ Level: 334.70 J/kg Max Parcel Lev (MPL): 174.87 mb = 13200.16 m = 43307.07 ft Wind level data Storm motion: 266 at 21 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 1002 98 210 6 3.0 5.2 | 102 18 -17.7 3.8 1 1000 103 205 7 3.0 6.3 | 105 18 -17.8 4.9 2 977 305 220 18 11.6 13.8 | 144 15 -9.1 12.4 3 944 610 230 14 10.7 9.0 | 127 13 -10.0 7.6 4 925 788 250 16 15.0 5.5 | 125 7 -5.7 4.0 5 912 914 265 16 15.9 1.4 | 90 5 -4.8 -0.0 6 880 1219 265 17 16.9 1.5 | 91 4 -3.8 0.1 7 850 1522 245 20 18.1 8.5 | 160 7 -2.6 7.0 8 850 1524 245 20 18.1 8.5 | 160 7 -2.6 7.0 9 820 1829 245 18 16.3 7.6 | 145 8 -4.4 6.2 10 790 2134 245 16 14.5 6.8 | 131 8 -6.2 5.3 11 762 2438 240 17 14.7 8.5 | 140 9 -6.0 7.1 12 735 2743 235 26 21.3 14.9 | 182 13 0.6 13.5 13 700 3157 230 31 23.7 19.9 | 189 19 3.0 18.5 14 658 3658 225 30 21.2 21.2 | 181 20 0.5 19.8 15 609 4267 225 36 25.5 25.5 | 191 24 4.7 24.0 16 565 4877 240 37 32.0 18.5 | 214 20 11.3 17.1 17 500 5850 240 43 37.2 21.5 | 219 26 16.5 20.1 18 484 6096 235 42 34.4 24.1 | 211 26 13.7 22.7 19 400 7560 235 33 27.0 18.9 | 200 19 6.3 17.5 20 397 7620 235 34 27.9 19.5 | 202 19 7.1 18.1 21 350 8534 245 36 32.6 15.2 | 221 18 11.9 13.8 22 321 9144 230 31 23.7 19.9 | 189 19 3.0 18.5 23 308 9449 220 33 21.2 25.3 | 181 24 0.5 23.9 24 300 9640 220 32 20.6 24.5 | 180 23 -0.1 23.1 25 282 10058 220 32 20.6 24.5 | 180 23 -0.1 23.1 26 259 10668 240 35 30.3 17.5 | 211 19 9.6 16.1 27 250 10900 240 34 29.4 17.0 | 209 18 8.7 15.6 28 200 12360 230 24 18.4 15.4 | 171 14 -2.3 14.0 29 196 12497 235 25 20.5 14.3 | 179 13 -0.2 12.9 30 186 12802 215 21 12.0 17.2 | 151 18 -8.7 15.8 31 178 13106 200 22 7.5 20.7 | 146 23 -13.2 19.2 32 150 14160 220 33 21.2 25.3 | 181 24 0.5 23.9 33 146 14326 225 34 24.0 24.0 | 188 23 3.3 22.6 34 132 14935 270 23 23.0 -0.0 | 302 3 2.3 -1.4 35 126 15240 270 24 24.0 -0.0 | 294 4 3.3 -1.4 36 120 15528 260 20 19.7 3.5 | 154 2 -1.0 2.0 37 114 15850 260 21 20.7 3.6 | 179 2 -0.0 2.2 38 108 16154 245 4 3.6 1.7 | 91 17 -17.1 0.3 39 100 16630 215 16 9.2 13.1 | 135 16 -11.5 11.7 40 98 16764 215 16 9.2 13.1 | 135 16 -11.5 11.7 41 93 17069 195 15 3.9 14.5 | 128 21 -16.8 13.1 42 88 17374 210 15 7.5 13.0 | 131 18 -13.2 11.6 43 84 17678 205 18 7.6 16.3 | 139 20 -13.1 14.9 44 80 17983 225 14 9.9 9.9 | 128 14 -10.8 8.5 45 76 18288 320 9 5.8 -6.9 | 61 17 -14.9 -8.3 46 72 18593 0 0 -0.0 -0.0 | 86 21 -20.7 -1.4 47 70 18790 195 6 1.6 5.8 | 103 20 -19.2 4.4 48 50 20880 360 3 -0.0 -3.0 | 78 21 -20.7 -4.4 49 49 21031 185 10 0.9 10.0 | 113 22 -19.8 8.5 50 47 21336 70 4 -3.8 -1.4 | 83 25 -24.5 -2.8 51 44 21641 55 10 -8.2 -5.7 | 76 30 -28.9 -7.2 52 38 22555 115 15 -13.6 6.3 | 98 35 -34.3 4.9 53 35 23165 15 10 -2.6 -9.7 | 65 26 -23.3 -11.1 54 33 23470 120 10 -8.7 5.0 | 97 30 -29.4 3.6 55 30 24079 80 6 -5.9 -1.0 | 85 27 -26.6 -2.5 56 30 24150 35 11 -6.3 -9.0 | 69 29 -27.0 -10.4 57 29 24384 35 9 -5.2 -7.4 | 71 27 -25.9 -8.8 58 28 24689 35 11 -6.3 -9.0 | 69 29 -27.0 -10.4 59 26 24994 70 11 -10.3 -3.8 | 81 31 -31.1 -5.2 60 24 25603 65 22 -19.9 -9.3 | 75 42 -40.7 -10.7 61 23 25908 110 15 -14.1 5.1 | 96 35 -34.8 3.7 62 21 26518 95 17 -16.9 1.5 | 90 38 -37.6 0.1 63 20 26770 130 14 -10.7 9.0 | 104 32 -31.4 7.6 64 19 27127 135 16 -11.3 11.3 | 107 34 -32.0 9.9 65 18 27432 100 10 -9.8 1.7 | 91 31 -30.6 0.3 66 17 27737 90 12 -12.0 0.0 | 87 33 -32.7 -1.4 67 17 28042 60 14 -12.1 -7.0 | 76 34 -32.8 -8.4 68 15 28651 80 24 -23.6 -4.2 | 83 45 -44.3 -5.6 69 14 29261 60 28 -24.2 -14.0 | 71 48 -45.0 -15.4 70 13 29870 85 39 -38.9 -3.4 | 85 60 -59.6 -4.8 71 12 30175 80 42 -41.4 -7.3 | 82 63 -62.1 -8.7 72 10 31380 95 32 -31.9 2.8 | 91 53 -52.6 1.4 73 7 33840 85 26 -25.9 -2.3 | 85 47 -46.6 -3.7 Wind Parameters Mean winds (0-6000m): 236.1 at 27.7 knts Storm direction: 266.1 at 20.8 knts Shear (0-3000m) pos: 2.4 neg: 3.3 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 86.7 deg Storm rel helicity (0-3000m) pos: 88.4 neg: -25.0 tot: 63.5 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 2.9 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 12.39 Bulk Shear: 27.12 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 ------------------------------------------------------------------------------- 500 221 14 130 15| 9.0 0.0 9.0| 51.0 -12.0 39.0 78.0 0.51| 17.0 8.6 1000 238 15 129 10| 7.2 0.0 7.2| 51.2 -18.0 33.2 33.2 0.17| 13.8 2.3 1500 245 16 132 8| 4.8 2.4 7.2| 57.0 -18.5 38.5 25.7 0.27| 11.8 3.2 2000 245 17 134 8| 3.6 1.5 5.1| 57.0 -25.0 32.1 16.0 0.17| 9.7 1.6 2500 244 17 136 8| 2.9 2.1 5.0| 71.3 -25.0 46.3 18.5 0.27| 9.1 2.5 3000 241 18 149 9| 2.4 3.3 5.7| 88.4 -25.0 63.5 21.2 0.32| 9.1 2.9 4000 236 22 166 11| 1.8 3.1 4.9|102.6 -36.1 66.5 16.6 0.28| 7.8 2.2 5000 235 25 178 13| 2.5 2.5 5.0|163.5 -36.1 127.4 25.5 0.38| 7.5 2.8 6000 236 28 189 14| 2.1 2.5 4.6|174.0 -61.7 112.2 18.7 0.31| 7.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250619.12.gif