UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060412.upa.cvt Date: 1200Z 4 JUN 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 4 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 1012 98 15.4 13.6 89 1.8 14.3 155 3 287.6 289.3 286.9 314.6 9.71 1 1009 121 16.8 13.5 81 3.3 14.8 169 5 289.2 290.9 287.5 316.4 9.68 2 1003 168 17.2 13.2 77 4.0 14.7 196 10 290.1 291.8 287.8 317.0 9.54 3 1000 192 17.0 13.2 78 3.8 14.7 210 12 290.1 291.8 287.8 317.1 9.57 4 997 218 17.0 13.0 77 4.0 14.6 213 14 290.4 292.1 287.8 317.2 9.47 5 991 269 18.4 13.4 73 5.0 15.3 220 17 292.3 294.0 288.8 320.2 9.79 6 983 339 20.8 10.8 53 10.0 14.7 227 19 295.4 296.9 288.5 319.4 8.29 7 981 357 21.0 11.0 53 10.0 14.8 228 18 295.8 297.3 288.8 320.2 8.42 8 978 384 21.0 14.0 64 7.0 16.5 229 18 296.0 297.9 290.5 325.8 10.32 9 968 473 21.2 11.2 53 10.0 15.0 233 17 297.1 298.7 289.5 322.3 8.66 10 959 554 21.4 13.4 60 8.0 16.3 237 17 298.1 299.9 291.0 327.6 10.12 11 925 866 19.4 12.4 64 7.0 15.0 245 15 299.1 300.9 291.1 327.9 9.82 12 882 1273 16.2 11.6 74 4.6 13.3 228 15 299.9 301.7 291.3 328.6 9.77 13 869 1400 15.6 9.6 67 6.0 11.9 224 14 300.6 302.2 290.6 326.2 8.66 14 867 1419 15.8 7.8 59 8.0 11.0 223 14 301.0 302.4 289.9 323.8 7.68 15 865 1439 15.8 7.8 59 8.0 11.0 223 14 301.2 302.6 290.0 324.0 7.69 16 861 1478 17.0 0.0 32 17.0 8.2 222 13 302.8 303.7 287.5 316.3 4.44 17 860 1488 17.4 -1.6 27 19.0 7.8 221 13 303.4 304.1 287.2 315.5 3.95 18 854 1548 17.4 -3.6 24 21.0 7.1 229 12 304.0 304.6 286.9 314.5 3.43 19 850 1588 17.4 -4.6 22 22.0 6.8 245 11 304.4 305.0 286.8 314.3 3.19 20 849 1598 17.4 -5.6 20 23.0 6.5 246 11 304.5 305.0 286.6 313.7 2.96 21 833 1760 16.4 -6.6 20 23.0 5.7 256 15 305.1 305.6 286.7 313.8 2.80 22 828 1811 16.2 -10.8 15 27.0 4.6 259 16 305.4 305.8 286.0 311.8 2.02 23 814 1956 16.6 -31.4 2 48.0 2.4 254 18 307.3 307.4 284.8 308.5 0.34 24 808 2019 16.8 -27.2 3 44.0 2.7 251 19 308.2 308.3 285.3 309.9 0.51 25 791 2199 15.6 -12.4 13 28.0 3.8 242 19 308.8 309.1 287.0 314.8 1.86 26 779 2328 14.8 -18.2 9 33.0 2.4 236 17 309.3 309.5 286.4 313.1 1.17 27 759 2547 13.2 -12.8 15 26.0 2.4 225 15 309.8 310.2 287.4 315.9 1.88 28 756 2580 13.0 -13.0 15 26.0 2.2 223 15 310.0 310.3 287.4 316.0 1.86 29 719 2999 9.2 -7.8 29 17.0 1.5 220 14 310.3 310.8 288.6 319.7 2.95 30 701 3208 8.2 -11.8 23 20.0 -0.1 225 14 311.4 311.9 288.3 318.6 2.21 31 700 3220 8.4 -12.6 21 21.0 -0.2 225 14 311.8 312.2 288.3 318.5 2.07 32 682 3434 7.6 -16.4 16 24.0 -1.4 234 15 313.2 313.5 288.2 318.4 1.55 33 620 4209 1.2 -15.8 27 17.0 -5.1 226 21 314.5 314.9 288.9 320.5 1.80 34 617 4248 0.8 -17.2 25 18.0 -5.6 225 22 314.5 314.8 288.7 319.9 1.61 35 573 4837 -2.7 -27.7 13 25.0 -9.4 230 14 317.1 317.3 288.6 319.5 0.68 36 565 4949 -2.5 -30.5 10 28.0 -9.6 231 13 318.7 318.8 288.9 320.6 0.53 37 535 5380 -4.5 -37.5 6 33.0 -11.6 223 13 321.3 321.3 289.5 322.3 0.28 38 521 5588 -5.5 -31.5 11 26.0 -11.9 223 13 322.5 322.6 290.1 324.4 0.53 39 510 5755 -5.3 -39.3 5 34.0 -12.3 237 11 324.7 324.8 290.5 325.7 0.25 40 500 5910 -6.3 -39.3 5 33.0 -13.0 260 9 325.4 325.4 290.6 326.3 0.25 41 473 6341 -9.3 -33.3 12 24.0 -14.7 226 11 326.8 326.9 291.3 328.6 0.49 42 433 7016 -15.3 -38.3 12 23.0 -19.4 240 10 327.6 327.7 291.4 328.8 0.32 43 417 7300 -17.3 -44.3 8 27.0 -21.2 235 10 328.6 328.6 291.5 329.3 0.18 44 400 7610 -19.9 -44.9 9 25.0 -23.3 235 6 329.1 329.2 291.6 329.8 0.17 45 358 8421 -26.7 -48.7 11 22.0 -28.9 283 10 330.6 330.6 292.0 331.1 0.13 46 300 9670 -36.3 -55.3 12 19.0 -37.5 150 20 334.2 334.2 292.9 334.5 0.07 47 298 9716 -36.9 -54.9 14 18.0 -38.0 149 20 334.0 334.0 292.9 334.3 0.07 48 283 10072 -38.7 -59.7 9 21.0 -39.7 139 22 336.4 336.4 293.4 336.6 0.04 49 279 10170 -39.3 -59.3 10 20.0 -40.2 136 22 336.9 336.9 293.6 337.1 0.05 50 250 10910 -46.1 -59.1 22 13.0 -46.6 145 28 337.5 337.5 293.7 337.7 0.05 51 245 11044 -47.3 -58.3 27 11.0 -47.7 144 28 337.7 337.7 293.8 337.9 0.06 52 236 11291 -49.3 -60.3 27 11.0 -49.6 142 29 338.3 338.3 294.0 338.5 0.05 53 234 11347 -49.7 -64.7 16 15.0 -50.1 142 29 338.5 338.5 294.0 338.6 0.03 54 232 11404 -50.1 -62.1 23 12.0 -50.4 141 29 338.7 338.8 294.0 338.9 0.04 55 224 11633 -51.3 -65.3 17 14.0 -51.6 137 28 340.3 340.3 294.4 340.4 0.03 56 200 12360 -57.9 -64.9 40 7.0 -58.0 105 25 341.1 341.1 294.6 341.2 0.03 57 194 12552 -59.5 -65.5 46 6.0 -59.6 106 25 341.5 341.5 294.7 341.6 0.03 58 190 12682 -60.7 -67.7 39 7.0 -60.8 107 25 341.6 341.6 294.7 341.7 0.02 59 150 14140 -65.3 -76.3 20 11.0 -65.4 205 14 357.6 357.6 298.2 357.6 0.01 60 139 14602 -68.1 -79.1 19 11.0 -68.2 260 7 360.5 360.5 298.8 360.6 0.01 61 100 16590 -66.9 -86.9 4 20.0 -67.0 245 11 398.5 398.5 305.0 398.5 0.00 62 97 16775 -65.7 -86.7 4 21.0 -65.8 246 11 404.3 404.3 305.7 404.3 0.00 63 80 17942 -68.3 -88.3 4 20.0 -68.4 259 11 421.8 421.8 307.9 421.9 0.00 64 72 18585 -61.9 -87.9 2 26.0 -62.2 9 10 448.3 448.3 310.7 448.3 0.00 65 70 18760 -62.1 -87.1 2 25.0 -62.4 230 11 451.5 451.5 311.0 451.5 0.00 66 69 18849 -62.3 -87.3 2 25.0 -62.6 227 10 453.0 453.0 311.1 453.0 0.00 67 52 20613 -57.3 -86.3 1 29.0 -58.0 122 16 502.8 502.8 315.1 502.8 0.00 68 50 20860 -58.1 -86.1 2 28.0 -58.8 185 12 506.6 506.6 315.4 506.6 0.00 69 43 21807 -59.1 -87.1 1 28.0 -59.8 138 4 526.4 526.4 316.7 526.5 0.00 70 38 22582 -59.1 -87.1 1 28.0 -59.9 64 11 545.4 545.4 317.8 545.4 0.01 71 34 23284 -56.1 -86.1 1 30.0 -57.3 38 12 570.9 570.9 319.2 570.9 0.01 72 31 23871 -55.9 -85.9 1 30.0 -57.3 73 23 586.7 586.7 320.0 586.8 0.01 73 30 24080 -54.7 -85.7 1 31.0 -56.3 80 16 595.5 595.5 320.4 595.6 0.01 74 26 24999 -52.9 -83.9 1 31.0 -55.1 85 18 625.5 625.5 321.7 625.6 0.01 75 24 25515 -53.1 -84.1 1 31.0 -55.4 97 16 639.4 639.4 322.3 639.5 0.01 76 22 26080 -50.5 -83.5 1 33.0 -53.6 62 18 663.3 663.3 323.2 663.4 0.02 77 20 26700 -51.3 -83.3 1 32.0 -54.4 70 21 679.1 679.2 323.7 679.3 0.02 78 17 27757 -50.9 -82.9 1 32.0 -54.5 74 26 712.7 712.8 324.8 712.9 0.02 79 16 28154 -48.7 -82.7 1 34.0 -53.2 70 25 732.4 732.4 325.4 732.6 0.03 80 15 28577 -49.9 -82.9 1 33.0 -54.2 85 22 742.0 742.1 325.7 742.3 0.03 81 12 30063 -41.7 -79.7 1 38.0 -50.3 70 23 820.0 820.0 327.7 820.6 0.06 82 10 31300 -41.3 -79.3 1 38.0 -50.8 95 19 865.4 865.4 328.7 866.1 0.07 83 8.4 32495 -37.1 -78.1 1 41.0 -49.9 926.1 926.2 329.9 927.3 0.11 TRP 139 14602 -68.1 -79.1 19 11.0 -68.2 260 7 360.5 360.5 298.8 360.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5718.00 m Freezing level: 606.94 mb = 4382.57 m = 14378.35 ft Wetbulb zero: 702.07 mb = 3195.63 m = 10484.22 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 27.31 % Est. max temperature: 30.31 C = 86.55 F Sfc-Lift cond lev (LCL): 985.26 mb = 319.60 m = 1048.55 ft T: 20.12 C 700-500 lapse rate: 5.46 C/km ThetaE index: 10.32 C Layer 861.0- 833.0 mb Conv cond level (CCL): 682.00 mb = 3434.42 m = 11267.64 ft Mean mixing ratio: 9.66 g/kg Conv temperature: 41.14 C = 106.06 F Cap Strength: 8.52 C Lifted Index: 7.86 C Risk: None Lifted Index @300 mb: 7.80 C Lifted Index @700 mb: 6.27 C Showalter Index: 13.37 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 1.70 C K Index: -1.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.05 J/kg Max Up Vert Vel: 9.06 m/s Conv Inhibition (B-): 45710.55 J/kg Cap Strength: 8.50 C Lift Cond Lev (LCL): 866.83 mb = 1420.75 m = 4661.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 11 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 1012 98 155 3 -1.3 2.7 | 95 13 -12.6 1.1 1 1000 192 210 12 6.0 10.4 | 149 10 -5.3 8.8 2 987 305 225 19 13.4 13.4 | 190 12 2.1 11.8 3 953 610 240 16 13.9 8.0 | 202 7 2.5 6.4 4 925 866 245 15 13.6 6.3 | 206 5 2.3 4.7 5 920 914 245 15 13.6 6.3 | 206 5 2.3 4.7 6 888 1219 230 16 12.3 10.3 | 186 9 0.9 8.6 7 856 1524 220 13 8.4 10.0 | 160 9 -3.0 8.3 8 850 1588 245 11 10.0 4.6 | 156 3 -1.4 3.0 9 826 1829 260 17 16.7 3.0 | 256 6 5.4 1.3 10 797 2134 245 20 18.1 8.5 | 225 10 6.8 6.8 11 768 2438 230 15 11.5 9.6 | 181 8 0.2 8.0 12 741 2743 215 14 8.0 11.5 | 161 10 -3.3 9.8 13 700 3220 225 14 9.9 9.9 | 170 8 -1.4 8.3 14 688 3353 235 14 11.5 8.0 | 181 6 0.1 6.4 15 663 3658 230 18 13.8 11.6 | 194 10 2.5 9.9 16 614 4267 225 22 15.6 15.6 | 197 15 4.2 13.9 17 569 4877 230 13 10.0 8.4 | 168 7 -1.4 6.7 18 548 5182 235 12 9.8 6.9 | 164 5 -1.5 5.2 19 527 5486 215 14 8.0 11.5 | 161 10 -3.3 9.8 20 507 5791 240 10 8.7 5.0 | 142 4 -2.7 3.4 21 500 5910 260 9 8.9 1.6 | 88 2 -2.5 -0.1 22 488 6096 245 9 8.2 3.8 | 124 4 -3.2 2.2 23 469 6401 220 11 7.1 8.4 | 148 8 -4.3 6.8 24 433 7010 240 10 8.7 5.0 | 142 4 -2.7 3.4 25 416 7315 235 10 8.2 5.7 | 143 5 -3.1 4.1 26 400 7610 235 6 4.9 3.4 | 106 7 -6.4 1.8 27 399 7620 235 7 5.7 4.0 | 113 6 -5.6 2.4 28 367 8230 280 11 10.8 -1.9 | 8 4 -0.5 -3.5 29 352 8534 285 10 9.7 -2.6 | 22 5 -1.7 -4.2 30 323 9144 180 5 0.0 5.0 | 107 12 -11.3 3.4 31 300 9670 150 20 -10.0 17.3 | 126 26 -21.3 15.7 32 271 10363 130 23 -17.6 14.8 | 114 32 -28.9 13.1 33 250 10910 145 28 -16.1 22.9 | 128 35 -27.4 21.3 34 225 11582 140 30 -19.3 23.0 | 125 37 -30.6 21.3 35 215 11887 120 18 -15.6 9.0 | 105 28 -26.9 7.4 36 205 12192 105 22 -21.3 5.7 | 97 33 -32.6 4.1 37 200 12360 105 25 -24.1 6.5 | 98 36 -35.5 4.8 38 177 13106 110 25 -23.5 8.6 | 101 35 -34.8 6.9 39 161 13716 50 29 -22.2 -18.6 | 59 39 -33.5 -20.3 40 150 14140 205 14 5.9 12.7 | 154 12 -5.4 11.0 41 145 14326 190 10 1.7 9.8 | 131 13 -9.6 8.2 42 139 14602 260 7 6.9 1.2 | 85 4 -4.4 -0.4 43 132 14935 260 3 3.0 0.5 | 82 8 -8.4 -1.1 44 125 15240 280 16 15.8 -2.8 | 315 6 4.4 -4.4 45 119 15545 315 21 14.8 -14.8 | 348 17 3.5 -16.5 46 113 15850 315 11 7.8 -7.8 | 21 10 -3.5 -9.4 47 107 16154 260 13 12.8 2.3 | 247 2 1.5 0.6 48 102 16459 305 14 11.5 -8.0 | 359 10 0.1 -9.7 49 100 16590 245 11 10.0 4.6 | 156 3 -1.4 3.0 50 97 16764 245 11 10.0 4.6 | 156 3 -1.4 3.0 51 92 17069 275 15 14.9 -1.3 | 309 5 3.6 -2.9 52 88 17374 240 16 13.9 8.0 | 202 7 2.5 6.4 53 80 17983 260 11 10.8 1.9 | 119 1 -0.5 0.3 54 76 18288 320 14 9.0 -10.7 | 11 13 -2.3 -12.4 55 72 18593 10 10 -1.7 -9.8 | 49 17 -13.1 -11.5 56 70 18760 230 11 8.4 7.1 | 152 6 -2.9 5.4 57 68 18898 225 10 7.1 7.1 | 142 7 -4.3 5.4 58 65 19202 280 17 16.7 -3.0 | 310 7 5.4 -4.6 59 62 19507 300 14 12.1 -7.0 | 355 9 0.8 -8.6 60 59 19812 55 10 -8.2 -5.7 | 69 21 -19.5 -7.4 61 56 20117 100 10 -9.8 1.7 | 90 21 -21.2 0.1 62 54 20422 100 6 -5.9 1.0 | 88 17 -17.2 -0.6 63 51 20726 135 22 -15.6 15.6 | 117 30 -26.9 13.9 64 50 20860 185 12 1.0 12.0 | 135 15 -10.3 10.3 65 49 21031 170 15 -2.6 14.8 | 133 19 -13.9 13.1 66 46 21336 200 11 3.8 10.3 | 139 12 -7.6 8.7 67 42 21946 120 2 -1.7 1.0 | 87 13 -13.1 -0.6 68 38 22555 65 10 -9.1 -4.2 | 74 21 -20.4 -5.9 69 36 22860 55 19 -15.6 -10.9 | 65 30 -26.9 -12.5 70 35 23165 30 10 -5.0 -8.7 | 58 19 -16.3 -10.3 71 30 24079 85 27 -26.9 -2.4 | 84 38 -38.2 -4.0 72 30 24080 80 16 -15.8 -2.8 | 81 27 -27.1 -4.4 73 29 24384 95 16 -15.9 1.4 | 89 27 -27.3 -0.2 74 27 24689 95 19 -18.9 1.7 | 90 30 -30.3 0.0 75 25 25298 75 17 -16.4 -4.4 | 78 28 -27.7 -6.0 76 24 25603 105 16 -15.5 4.1 | 95 27 -26.8 2.5 77 23 25908 65 15 -13.6 -6.3 | 72 26 -24.9 -8.0 78 21 26518 55 24 -19.7 -13.8 | 64 35 -31.0 -15.4 79 20 26700 70 21 -19.7 -7.2 | 74 32 -31.1 -8.8 80 19 27127 70 21 -19.7 -7.2 | 74 32 -31.1 -8.8 81 18 27432 60 23 -19.9 -11.5 | 67 34 -31.2 -13.1 82 17 27737 75 26 -25.1 -6.7 | 77 37 -36.4 -8.4 83 16 28042 70 27 -25.4 -9.2 | 73 38 -36.7 -10.9 84 16 28346 70 23 -21.6 -7.9 | 74 34 -32.9 -9.5 85 14 28956 105 21 -20.3 5.4 | 97 32 -31.6 3.8 86 14 29261 75 17 -16.4 -4.4 | 78 28 -27.7 -6.0 87 12 29870 65 24 -21.8 -10.1 | 70 35 -33.1 -11.8 88 10 31300 95 19 -18.9 1.7 | 90 30 -30.3 0.0 Wind Parameters Mean winds (0-6000m): 231.8 at 15.3 knts Storm direction: 261.8 at 11.4 knts Shear (0-3000m) pos: 3.5 neg: 1.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 72.9 deg Storm rel helicity (0-3000m) pos: 61.3 neg: -41.2 tot: 20.2 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 1.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 123.82 Bulk Shear: 0.33 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 ------------------------------------------------------------------------------- 500 226 15 177 9| 16.6 0.0 16.6| 53.7 0.0 53.7 107.5 0.86| 24.8 21.2 1000 234 15 188 7| 8.3 0.6 8.8| 54.5 -2.3 52.2 52.2 0.69| 14.6 10.1 1500 232 15 184 8| 4.3 0.4 4.7| 54.5 -12.7 41.8 27.9 0.38| 13.5 5.1 2000 238 15 194 7| 5.3 0.3 5.6| 59.1 -18.2 40.8 20.4 0.35| 13.0 4.5 2500 237 16 195 7| 4.3 2.0 6.3| 59.1 -37.9 21.2 8.5 0.15| 12.3 1.8 3000 235 15 189 7| 3.5 1.7 5.2| 61.3 -41.2 20.2 6.7 0.14| 10.8 1.5 4000 233 16 189 8| 3.1 1.3 4.5| 70.3 -41.2 29.2 7.3 0.17| 9.3 1.6 5000 232 16 189 8| 1.9 1.1 3.0| 70.5 -53.5 17.1 3.4 0.09| 8.6 0.8 6000 232 15 185 8| 1.7 1.1 2.7| 71.8 -59.7 12.1 2.0 0.04| 8.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250604.12.gif