UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061900.upa.cvt Date: 0000Z 19 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 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 1001 98 28.6 24.2 77 4.4 25.3 95 5 301.7 305.2 298.5 358.8 19.33 1 1000 101 27.4 22.5 75 4.9 23.8 100 3 300.5 303.7 297.0 351.7 17.41 2 999 110 27.2 22.2 74 5.0 23.6 107 3 300.4 303.6 296.8 350.6 17.10 3 991 181 27.0 22.2 75 4.8 23.5 165 3 300.9 304.1 297.0 351.6 17.25 4 953 527 25.2 21.4 79 3.8 22.5 254 11 302.5 305.6 297.3 353.0 17.07 5 949 564 25.2 20.9 77 4.3 22.1 252 12 302.9 305.9 297.1 352.1 16.62 6 947 582 25.2 20.2 74 5.0 21.6 251 12 303.0 306.0 296.7 350.2 15.93 7 925 789 23.6 19.1 76 4.5 20.4 250 15 303.4 306.3 296.3 348.6 15.22 8 850 1523 17.4 16.2 93 1.2 16.6 260 22 304.4 306.9 295.6 345.4 13.76 9 847 1553 17.2 16.1 93 1.1 16.5 260 22 304.5 307.0 295.6 345.4 13.72 10 792 2124 13.0 12.9 99 0.1 13.0 265 24 305.9 308.1 294.7 341.6 11.89 11 787 2177 13.4 11.9 91 1.5 12.4 266 24 306.9 309.0 294.5 340.6 11.20 12 769 2372 13.4 9.9 79 3.5 11.2 269 22 308.9 310.8 294.1 339.4 10.01 13 737 2729 10.4 7.8 84 2.6 8.8 265 22 309.4 311.1 293.6 337.1 9.05 14 730 2809 10.0 7.1 82 2.9 8.2 266 22 309.8 311.5 293.4 336.5 8.70 15 716 2970 9.6 4.6 71 5.0 6.7 268 22 311.1 312.5 292.8 334.1 7.45 16 708 3064 9.0 4.0 71 5.0 6.1 269 22 311.4 312.8 292.7 333.8 7.22 17 704 3111 9.0 3.0 66 6.0 5.6 269 22 311.9 313.2 292.5 333.0 6.76 18 700 3158 9.0 1.0 57 8.0 4.6 270 22 312.5 313.6 291.9 330.9 5.89 19 690 3277 8.6 -0.4 53 9.0 3.8 264 24 313.3 314.3 291.8 330.3 5.39 20 674 3471 7.2 -0.8 57 8.0 2.9 262 25 313.8 314.9 291.9 330.7 5.36 21 672 3495 7.4 -2.6 49 10.0 2.3 262 25 314.3 315.2 291.5 329.3 4.70 22 661 3631 6.2 0.2 65 6.0 2.9 264 25 314.5 315.6 292.5 333.0 5.88 23 649 3781 5.4 -2.6 56 8.0 1.3 266 25 315.2 316.1 291.9 330.7 4.87 24 645 3832 5.4 -5.6 45 11.0 0.1 266 25 315.8 316.5 291.2 328.3 3.90 25 640 3895 5.0 -5.0 48 10.0 0.1 267 25 316.0 316.8 291.5 329.2 4.12 26 634 3972 5.0 -7.0 41 12.0 -0.6 267 25 316.9 317.6 291.3 328.4 3.57 27 630 4024 4.6 -6.4 45 11.0 -0.6 268 26 317.0 317.7 291.5 329.1 3.76 28 620 4154 4.0 -9.0 38 13.0 -1.8 269 26 317.8 318.4 291.1 328.0 3.12 29 616 4207 3.4 -5.6 52 9.0 -0.9 269 26 317.7 318.4 291.9 330.9 4.09 30 613 4247 3.2 -7.8 44 11.0 -1.9 270 26 317.9 318.5 291.5 329.2 3.47 31 584 4638 0.0 -6.0 64 6.0 -2.9 267 28 318.6 319.4 292.3 332.1 4.18 32 580 4693 -0.5 -5.2 70 4.7 -2.8 267 28 318.6 319.5 292.6 333.1 4.48 33 579 4706 -0.5 -7.5 59 7.0 -3.7 267 28 318.8 319.5 292.0 331.0 3.76 34 576 4748 -0.7 -6.7 64 6.0 -3.5 266 28 319.0 319.8 292.3 332.1 4.02 35 575 4762 -0.5 -7.5 59 7.0 -3.7 266 28 319.4 320.1 292.2 331.8 3.79 36 570 4832 -0.7 -9.7 51 9.0 -4.6 266 29 320.0 320.6 291.9 330.5 3.21 37 564 4916 -1.1 -9.1 55 8.0 -4.7 265 29 320.5 321.1 292.2 331.7 3.40 38 559 4987 -1.9 -6.4 71 4.5 -4.0 264 29 320.3 321.2 292.9 334.2 4.24 39 558 5002 -1.9 -6.8 69 4.9 -4.2 264 28 320.5 321.3 292.8 334.0 4.12 40 555 5045 -1.9 -8.9 59 7.0 -5.0 264 28 321.0 321.7 292.4 332.6 3.52 41 554 5059 -1.9 -6.1 73 4.2 -3.9 264 28 321.2 322.0 293.2 335.5 4.38 42 543 5218 -2.9 -5.4 83 2.5 -4.1 262 27 321.8 322.7 293.6 337.2 4.72 43 532 5380 -3.7 -7.3 76 3.6 -5.4 261 27 322.8 323.6 293.4 336.4 4.16 44 522 5531 -3.5 -11.5 54 8.0 -6.9 261 26 324.7 325.3 293.0 335.0 3.04 45 514 5653 -4.3 -10.3 63 6.0 -6.9 265 27 325.2 325.9 293.4 336.6 3.40 46 505 5792 -5.3 -12.3 58 7.0 -8.2 270 28 325.6 326.2 293.2 335.6 2.95 47 502 5839 -5.5 -15.5 45 10.0 -9.3 267 27 326.0 326.4 292.7 333.8 2.28 48 501 5854 -5.7 -14.7 49 9.0 -9.2 266 26 325.9 326.4 292.9 334.2 2.44 49 500 5870 -5.7 -16.7 42 11.0 -9.8 265 26 326.1 326.5 292.6 333.2 2.07 50 498 5902 -5.5 -19.5 32 14.0 -10.3 264 26 326.7 327.0 292.4 332.4 1.64 51 493 5981 -5.7 -17.7 38 12.0 -10.0 263 25 327.4 327.8 292.8 334.1 1.93 52 487 6077 -6.1 -19.1 35 13.0 -10.6 261 24 328.1 328.4 292.8 334.1 1.73 53 486 6093 -6.3 -16.3 45 10.0 -10.1 260 24 328.0 328.5 293.2 335.6 2.20 54 400 7590 -16.9 -25.9 46 9.0 -19.3 250 31 333.0 333.3 293.6 337.2 1.16 55 300 9680 -31.5 -47.5 19 16.0 -33.1 230 36 341.0 341.0 294.7 341.7 0.17 56 250 10940 -42.7 -51.7 37 9.0 -43.2 220 32 342.6 342.6 295.1 343.1 0.13 57 200 12410 -54.3 -67.3 19 13.0 -54.5 235 26 346.8 346.8 296.0 346.9 0.02 58 150 14190 -65.3 -74.3 28 9.0 -65.4 235 32 357.6 357.6 298.2 357.6 0.01 59 140 14612 -68.3 -75.3 36 7.0 -68.4 225 25 359.5 359.5 298.6 359.5 0.01 60 100 16650 -68.9 -86.9 6 18.0 -69.0 230 10 394.6 394.6 304.5 394.6 0.00 61 90 17284 -66.5 -87.5 4 21.0 -66.7 211 12 411.5 411.5 306.7 411.5 0.00 62 88 17420 -66.9 -87.9 4 21.0 -67.0 213 11 413.3 413.3 306.9 413.3 0.00 63 77 18227 -66.5 -89.5 3 23.0 -66.7 174 8 430.2 430.2 308.9 430.2 0.00 64 73 18552 -63.1 -88.1 2 25.0 -63.4 192 16 444.0 444.0 310.3 444.0 0.00 65 70 18810 -64.1 -88.1 2 24.0 -64.4 160 3 447.3 447.3 310.6 447.3 0.00 66 67 19078 -64.9 -88.9 2 24.0 -65.1 125 8 451.2 451.2 311.0 451.2 0.00 67 62 19555 -61.3 -88.3 2 27.0 -61.7 125 11 469.3 469.3 312.5 469.3 0.00 68 57 20078 -60.9 -87.9 2 27.0 -61.3 179 10 481.6 481.6 313.6 481.6 0.00 69 52 20647 -62.1 -88.1 2 26.0 -62.5 293 11 491.6 491.6 314.4 491.6 0.00 70 50 20890 -61.3 -88.3 2 27.0 -61.8 355 16 499.0 499.0 314.9 499.0 0.00 71 48 21143 -61.3 -88.3 2 27.0 -61.8 1 17 504.9 504.9 315.3 504.9 0.00 72 44 21689 -56.9 -86.9 1 30.0 -57.8 51 10 528.4 528.4 316.8 528.4 0.00 73 42 21983 -57.5 -86.5 1 29.0 -58.4 81 11 533.9 534.0 317.2 534.0 0.01 74 33 23530 -50.5 -84.5 1 34.0 -52.8 129 10 590.6 590.6 320.2 590.7 0.01 75 30 24150 -51.7 -84.7 1 33.0 -53.9 55 15 603.7 603.7 320.8 603.8 0.01 76 28 24597 -52.3 -84.3 1 32.0 -54.5 51 15 614.1 614.1 321.2 614.1 0.01 77 23 25872 -51.1 -85.1 1 34.0 -53.9 90 20 653.1 653.1 322.8 653.2 0.01 78 21 26468 -48.1 -83.1 1 35.0 -52.0 90 15 679.4 679.4 323.7 679.5 0.02 79 20 26790 -47.3 -83.3 1 36.0 -51.7 130 10 691.4 691.4 324.1 691.5 0.02 80 18 27491 -44.9 -81.9 1 37.0 -50.4 70 14 720.1 720.1 325.1 720.3 0.03 81 17 27873 -45.7 -82.7 1 37.0 -51.1 52 19 729.4 729.4 325.3 729.6 0.03 82 13 29673 -42.9 -81.9 1 39.0 -50.5 65 15 797.3 797.3 327.2 797.6 0.04 83 12 30211 -44.5 -82.5 1 38.0 -51.7 67 17 810.1 810.1 327.5 810.4 0.04 84 11 30796 -43.1 -82.1 1 39.0 -51.4 68 20 835.6 835.6 328.1 836.0 0.04 85 10 31440 -42.1 -82.1 0 40.0 -51.2 70 22 862.4 862.4 328.7 862.9 0.05 86 9.2 32008 -38.5 -80.5 0 42.0 -50.0 70 26 897.0 897.0 329.4 897.7 0.07 87 7.9 33058 -36.5 -79.5 0 43.0 -50.0 70 33 944.9 945.0 330.2 945.9 0.09 88 7.0 33900 -34.1 -77.1 0 43.0 -49.7 70 38 988.1 988.2 331.0 989.9 0.15 89 6.9 34001 -33.9 -76.9 1 43.0 -49.8 993.0 993.1 331.1 994.9 0.16 TRP 140 14612 -68.3 -75.3 36 7.0 -68.4 225 25 359.5 359.5 298.6 359.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 584.00 mb = 4637.50 m = 15214.72 ft Wetbulb zero: 638.92 mb = 3909.08 m = 12824.91 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 71.06 % Est. max temperature: 31.30 C = 88.34 F Sfc-Lift cond lev (LCL): 939.51 mb = 652.21 m = 2139.78 ft T: 24.66 C 700-500 lapse rate: 5.42 C/km ThetaE index: 22.74 C Layer 949.0- 674.0 mb Conv cond level (CCL): 870.95 mb = 1311.67 m = 4303.34 ft Mean mixing ratio: 16.25 g/kg Conv temperature: 31.05 C = 87.89 F Cap Strength: 1.33 C Lifted Index: -2.97 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.45 C Lifted Index @700 mb: -1.74 C Showalter Index: -1.03 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.90 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 264.40 Risk: None Energy Index: -2.41 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1315.02 J/kg Max Up Vert Vel: 51.28 m/s Conv Inhibition (B-): 24.27 J/kg Cap Strength: 1.33 C Lift Cond Lev (LCL): 891.78 mb = 1106.52 m = 3630.27 ft Lev Free Conv (LFC): 856.78 mb = 1454.07 m = 4770.53 ft Equ Level (EL): 176.78 mb = 13173.73 m = 43220.36 ft B at Equ Level: 1303.63 J/kg Max Parcel Lev (MPL): 106.78 mb = 16252.96 m = 53322.70 ft Wind level data Storm motion: 294 at 17 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 1001 98 95 5 -5.0 0.4 | 109 22 -20.5 7.2 1 1000 101 100 3 -3.0 0.5 | 112 20 -18.5 7.3 2 977 305 265 4 4.0 0.3 | 122 14 -11.5 7.1 3 944 610 250 13 12.2 4.4 | 164 12 -3.3 11.2 4 925 789 250 15 14.1 5.1 | 173 12 -1.4 11.9 5 912 914 255 18 17.4 4.7 | 189 12 1.9 11.5 6 880 1219 255 22 21.3 5.7 | 205 14 5.7 12.5 7 850 1523 260 22 21.7 3.8 | 210 12 6.2 10.6 8 820 1829 260 23 22.7 4.0 | 213 13 7.1 10.8 9 791 2134 265 24 23.9 2.1 | 223 12 8.4 8.9 10 762 2438 270 21 21.0 -0.0 | 219 9 5.5 6.8 11 735 2743 265 22 21.9 1.9 | 216 11 6.4 8.7 12 700 3158 270 22 22.0 -0.0 | 224 9 6.5 6.8 13 683 3353 260 25 24.6 4.3 | 219 14 9.1 11.1 14 658 3658 265 25 24.9 2.2 | 226 13 9.4 9.0 15 610 4267 270 26 26.0 -0.0 | 237 12 10.5 6.8 16 566 4877 265 29 28.9 2.5 | 235 16 13.4 9.3 17 524 5486 260 26 25.6 4.5 | 222 15 10.1 11.3 18 505 5791 270 28 28.0 -0.0 | 241 14 12.5 6.8 19 500 5870 265 26 25.9 2.3 | 229 14 10.4 9.1 20 486 6096 260 24 23.6 4.2 | 217 14 8.1 11.0 21 449 6706 250 31 29.1 10.6 | 218 22 13.6 17.4 22 400 7590 250 31 29.1 10.6 | 218 22 13.6 17.4 23 398 7620 250 33 31.0 11.3 | 221 24 15.5 18.1 24 382 7925 255 32 30.9 8.3 | 226 22 15.4 15.1 25 323 9144 240 35 30.3 17.5 | 211 28 14.8 24.3 26 300 9680 230 36 27.6 23.1 | 202 32 12.1 29.9 27 297 9754 230 37 28.3 23.8 | 203 33 12.8 30.6 28 250 10940 220 32 20.6 24.5 | 189 32 5.1 31.3 29 249 10973 220 32 20.6 24.5 | 189 32 5.1 31.3 30 207 12192 240 33 28.6 16.5 | 209 27 13.1 23.3 31 200 12410 235 26 21.3 14.9 | 195 22 5.8 21.7 32 188 12802 230 25 19.2 16.1 | 189 23 3.6 22.9 33 162 13716 220 31 19.9 23.7 | 188 31 4.4 30.5 34 150 14190 235 32 26.2 18.4 | 203 27 10.7 25.1 35 147 14326 235 34 27.9 19.5 | 205 29 12.3 26.3 36 140 14612 225 25 17.7 17.7 | 185 25 2.2 24.5 37 133 14935 225 25 17.7 17.7 | 185 25 2.2 24.5 38 126 15240 275 22 21.9 -1.9 | 233 8 6.4 4.9 39 114 15850 285 15 14.5 -3.9 | 161 3 -1.0 2.9 40 109 16154 250 13 12.2 4.4 | 164 12 -3.3 11.2 41 103 16459 275 10 10.0 -0.9 | 137 8 -5.6 5.9 42 100 16650 230 10 7.7 6.4 | 149 15 -7.9 13.2 43 98 16764 230 10 7.7 6.4 | 149 15 -7.9 13.2 44 93 17069 200 11 3.8 10.3 | 146 21 -11.8 17.1 45 89 17374 215 12 6.9 9.8 | 153 19 -8.6 16.6 46 80 17983 190 2 0.3 2.0 | 120 18 -15.2 8.8 47 76 18288 170 9 -1.6 8.9 | 133 23 -17.1 15.7 48 73 18593 195 17 4.4 16.4 | 154 26 -11.1 23.2 49 70 18810 160 3 -1.0 2.8 | 120 19 -16.5 9.6 50 66 19202 110 10 -9.4 3.4 | 112 27 -24.9 10.2 51 60 19812 135 11 -7.8 7.8 | 122 27 -23.3 14.6 52 57 20117 185 10 0.9 10.0 | 139 22 -14.6 16.8 53 54 20422 300 10 8.7 -5.0 | 105 7 -6.9 1.8 54 51 20726 290 11 10.3 -3.8 | 120 6 -5.2 3.0 55 50 20890 355 16 1.4 -15.9 | 57 17 -14.1 -9.1 56 47 21336 5 17 -1.5 -16.9 | 59 20 -17.0 -10.1 57 44 21641 45 10 -7.1 -7.1 | 89 23 -22.6 -0.3 58 40 22250 105 12 -11.6 3.1 | 110 29 -27.1 9.9 59 39 22555 140 13 -8.4 10.0 | 125 29 -23.9 16.8 60 35 23165 115 10 -9.1 4.2 | 114 27 -24.6 11.0 61 33 23470 145 10 -5.7 8.2 | 125 26 -21.3 15.0 62 30 24079 10 12 -2.1 -11.8 | 74 18 -17.6 -5.0 63 30 24150 55 15 -12.3 -8.6 | 86 28 -27.8 -1.8 64 29 24384 55 13 -10.6 -7.5 | 89 26 -26.2 -0.7 65 28 24689 50 16 -12.3 -10.3 | 83 28 -27.8 -3.5 66 26 24994 50 12 -9.2 -7.7 | 88 25 -24.7 -0.9 67 25 25298 60 16 -13.9 -8.0 | 88 29 -29.4 -1.2 68 24 25603 65 20 -18.1 -8.5 | 87 34 -33.6 -1.7 69 22 26213 120 19 -16.5 9.5 | 117 36 -32.0 16.3 70 21 26518 85 14 -13.9 -1.2 | 101 30 -29.5 5.6 71 20 26790 130 10 -7.7 6.4 | 120 27 -23.2 13.2 72 19 27127 140 13 -8.4 10.0 | 125 29 -23.9 16.8 73 18 27432 75 14 -13.5 -3.6 | 96 29 -29.0 3.2 74 17 27737 50 15 -11.5 -9.6 | 84 27 -27.0 -2.8 75 17 28042 55 23 -18.8 -13.2 | 79 35 -34.4 -6.4 76 16 28346 75 22 -21.3 -5.7 | 92 37 -36.8 1.1 77 14 28956 105 16 -15.5 4.1 | 109 33 -31.0 10.9 78 13 29566 65 15 -13.6 -6.3 | 91 29 -29.1 0.5 79 10 31440 70 22 -20.7 -7.5 | 89 36 -36.2 -0.7 80 7 33900 70 38 -35.7 -13.0 | 83 52 -51.2 -6.2 Wind Parameters Mean winds (0-6000m): 263.6 at 22.6 knts Storm direction: 293.6 at 16.9 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 113.1 deg Storm rel helicity (0-3000m) pos: 95.3 neg: -3.3 tot: 92.1 m^2/s^2 ave: 30.7 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.4 10^-3/s Energy-Hel index: 0.76 Bulk Rich Number: 36.77 Bulk Shear: 35.77 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 ------------------------------------------------------------------------------- 500 252 6 132 13| 17.8 0.0 17.8| 50.4 -0.5 49.9 99.8 0.65| 20.1 13.2 1000 253 11 156 11| 12.9 0.0 12.9| 74.6 -0.5 74.1 74.1 0.74| 14.2 10.5 1500 255 15 174 11| 9.3 0.0 9.3| 83.9 -0.5 83.4 55.6 0.75| 10.6 8.0 2000 257 17 186 11| 7.4 0.0 7.4| 92.1 -0.5 91.6 45.8 0.76| 8.7 6.6 2500 260 18 193 10| 5.5 0.0 5.5| 92.6 -2.9 89.7 35.9 0.66| 7.8 5.1 3000 261 19 197 10| 4.6 0.0 4.6| 95.3 -3.3 92.1 30.7 0.64| 6.9 4.4 4000 263 20 206 10| 3.6 0.5 4.1|106.5 -5.1 101.4 25.4 0.59| 6.2 3.7 5000 264 22 214 11| 2.9 0.7 3.6|108.7 -12.6 96.1 19.2 0.51| 5.6 2.8 6000 264 23 217 12| 2.3 0.6 2.9|126.4 -42.3 84.0 14.0 0.36| 5.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250619.00.gif