UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for KIAD... Searching the city database file for: KIAD ... Date:0000Z 1 MAY 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 1006 98 27.4 10.4 35 17.0 16.8 310 9 300.0 301.5 289.8 323.3 7.89 1 1000 138 26.6 9.6 34 17.0 16.2 5 5 299.8 301.1 289.3 321.9 7.52 2 925 818 20.0 8.0 46 12.0 12.9 320 12 299.8 301.1 289.2 321.3 7.29 3 914 921 19.2 7.2 46 12.0 12.1 320 12 300.0 301.2 288.9 320.6 6.98 4 884 1207 16.4 6.4 52 10.0 10.6 315 15 299.9 301.2 288.8 320.2 6.83 5 850 1539 13.6 7.6 67 6.0 10.1 295 15 300.4 301.8 289.8 323.2 7.72 6 798 2067 9.6 6.5 81 3.1 7.8 272 20 301.6 303.0 290.0 324.3 7.63 7 778 2277 8.2 4.8 79 3.4 6.3 270 24 302.3 303.6 289.7 323.1 6.95 8 771 2352 8.0 1.0 61 7.0 4.4 270 26 302.9 303.8 288.4 319.0 5.34 9 765 2416 7.6 -0.4 57 8.0 3.5 270 27 303.1 304.0 288.1 317.8 4.86 10 763 2438 7.4 -0.6 57 8.0 3.4 270 28 303.1 304.0 288.0 317.7 4.80 11 759 2481 7.2 -3.8 45 11.0 2.0 272 28 303.4 304.1 287.1 315.0 3.80 12 753 2546 6.6 -5.4 42 12.0 1.2 277 29 303.4 304.0 286.7 313.8 3.39 13 750 2579 6.8 -11.2 26 18.0 -0.4 279 29 304.0 304.4 285.6 310.8 2.16 14 746 2623 6.4 -14.6 21 21.0 -1.3 282 30 304.0 304.3 285.0 309.3 1.65 15 743 2656 6.6 -20.4 12 27.0 -2.2 284 30 304.6 304.7 284.5 307.9 1.01 16 708 3051 4.0 -29.0 7 33.0 -4.7 290 32 305.9 306.0 284.4 307.6 0.49 17 700 3143 3.6 -25.4 10 29.0 -4.7 290 32 306.5 306.6 284.9 308.8 0.69 18 643 3828 0.4 -24.6 13 25.0 -6.8 288 33 310.4 310.5 286.4 313.1 0.81 19 616 4171 -1.7 -25.7 14 24.0 -8.4 293 35 311.8 311.9 286.9 314.4 0.77 20 613 4210 -2.1 -24.1 17 22.0 -8.4 294 36 311.8 311.9 287.0 314.8 0.89 21 610 4249 -2.5 -8.5 63 6.0 -5.0 294 36 311.7 312.4 289.5 322.3 3.30 22 608 4275 -2.7 -6.2 77 3.5 -4.3 295 36 311.8 312.6 290.0 324.3 3.96 23 604 4327 -3.1 -6.2 79 3.1 -4.5 295 36 311.9 312.7 290.2 324.5 3.98 24 583 4608 -2.5 -11.5 50 9.0 -6.1 292 38 315.8 316.3 290.2 324.7 2.72 25 577 4690 -2.9 -13.9 42 11.0 -7.1 292 39 316.3 316.7 289.9 323.7 2.26 26 549 5082 -5.5 -14.5 49 9.0 -8.8 287 42 317.7 318.2 290.3 325.2 2.26 27 539 5226 -5.9 -17.9 38 12.0 -10.0 284 43 318.9 319.3 290.2 324.8 1.73 28 524 5447 -7.5 -17.5 45 10.0 -10.9 281 45 319.6 319.9 290.5 325.8 1.85 29 508 5687 -9.3 -18.3 48 9.0 -12.2 274 44 320.2 320.6 290.6 326.3 1.78 30 500 5810 -10.3 -20.3 44 10.0 -13.4 270 43 320.5 320.8 290.5 325.7 1.52 31 493 5918 -11.1 -20.1 47 9.0 -13.9 270 43 320.8 321.1 290.6 326.2 1.57 32 489 5981 -11.7 -23.7 36 12.0 -15.0 270 42 320.8 321.0 290.2 324.8 1.15 33 454 6543 -16.3 -25.3 46 9.0 -18.6 275 39 321.9 322.1 290.5 325.7 1.08 34 451 6593 -16.5 -27.5 38 11.0 -19.0 275 39 322.3 322.5 290.4 325.4 0.89 35 441 6761 -18.1 -31.1 31 13.0 -20.7 277 38 322.3 322.5 290.2 324.7 0.65 36 410 7300 -22.5 -34.5 33 12.0 -24.5 283 35 323.5 323.6 290.3 325.3 0.50 37 401 7462 -24.1 -33.1 43 9.0 -25.6 285 34 323.4 323.6 290.5 325.6 0.59 38 400 7480 -24.1 -33.1 43 9.0 -25.6 285 34 323.7 323.8 290.5 325.8 0.59 39 397 7535 -24.5 -34.5 39 10.0 -26.1 285 34 323.8 323.9 290.5 325.7 0.52 40 395 7572 -24.5 -39.5 24 15.0 -26.6 285 34 324.3 324.4 290.4 325.5 0.31 41 394 7590 -24.5 -40.5 21 16.0 -26.6 285 34 324.5 324.6 290.5 325.6 0.28 42 359 8262 -28.1 -51.1 9 23.0 -30.2 266 21 328.5 328.5 291.4 328.9 0.10 43 300 9520 -38.9 -58.9 10 20.0 -39.8 295 18 330.5 330.5 291.9 330.7 0.05 44 291 9728 -40.5 -61.5 9 21.0 -41.3 301 18 331.2 331.2 292.0 331.3 0.03 45 261 10457 -47.3 -61.3 19 14.0 -47.7 310 22 331.6 331.6 292.2 331.8 0.04 46 250 10740 -49.9 -59.9 30 10.0 -50.2 320 22 331.9 331.9 292.3 332.1 0.05 47 240 11007 -52.3 -60.3 38 8.0 -52.5 328 23 332.2 332.2 292.3 332.4 0.05 48 233 11199 -53.9 -60.9 42 7.0 -54.1 333 24 332.6 332.6 292.4 332.7 0.05 49 227 11367 -55.1 -62.1 42 7.0 -55.2 338 24 333.2 333.2 292.6 333.4 0.04 50 223 11481 -55.5 -64.5 32 9.0 -55.6 342 25 334.3 334.3 292.9 334.4 0.03 51 221 11539 -55.7 -64.7 32 9.0 -55.9 343 25 334.9 334.9 293.0 335.0 0.03 52 212 11803 -58.1 -64.1 46 6.0 -58.2 334 17 335.1 335.1 293.1 335.3 0.03 53 207 11954 -59.1 -67.1 35 8.0 -59.2 317 14 335.9 335.9 293.3 335.9 0.02 54 200 12170 -61.1 -67.1 45 6.0 -61.2 270 17 336.0 336.0 293.3 336.1 0.02 55 197 12263 -61.9 -66.6 53 4.7 -62.0 280 12 336.2 336.2 293.4 336.3 0.02 56 191 12453 -63.1 -66.2 66 3.1 -63.1 278 17 337.2 337.3 293.7 337.4 0.03 57 174 13019 -66.9 -71.4 53 4.5 -67.0 275 29 340.1 340.1 294.4 340.2 0.01 58 173 13053 -66.5 -71.2 52 4.7 -66.5 274 29 341.3 341.3 294.7 341.4 0.01 59 150 13900 -72.7 -77.6 47 4.9 -72.7 265 37 344.9 344.9 295.5 344.9 0.01 60 100 16400 -61.7 -87.7 2 26.0 -61.9 260 20 408.5 408.5 306.3 408.5 0.00 61 85 17398 -63.7 -87.7 2 24.0 -63.9 316 12 423.9 423.9 308.2 423.9 0.00 62 82 17619 -62.7 -87.7 2 25.0 -63.0 237 10 430.3 430.3 308.9 430.3 0.00 63 79 17847 -64.7 -88.7 2 24.0 -64.9 215 13 430.8 430.8 308.9 430.8 0.00 64 76 18084 -62.3 -88.3 2 26.0 -62.6 233 16 440.6 440.6 310.0 440.6 0.00 65 70 18590 -62.5 -88.5 2 26.0 -62.8 275 21 450.7 450.7 310.9 450.7 0.00 66 67 18861 -61.7 -87.7 2 26.0 -62.0 273 21 458.1 458.1 311.6 458.1 0.00 67 63 19240 -63.9 -88.9 2 25.0 -64.2 317 18 461.4 461.4 311.9 461.4 0.00 68 58 19748 -62.7 -88.7 2 26.0 -63.1 339 18 475.1 475.1 313.1 475.1 0.00 69 54 20188 -64.1 -89.1 2 25.0 -64.4 14 18 481.7 481.7 313.6 481.7 0.00 70 50 20660 -63.1 -89.1 2 26.0 -63.5 45 7 494.8 494.8 314.6 494.8 0.00 71 48 20911 -63.1 -89.1 2 26.0 -63.5 69 9 500.6 500.6 315.0 500.6 0.00 72 43 21595 -59.1 -88.1 1 29.0 -59.9 77 6 526.4 526.4 316.7 526.5 0.00 73 41 21893 -60.3 -88.3 1 28.0 -61.0 62 10 530.7 530.7 316.9 530.7 0.00 74 38 22370 -57.9 -86.9 1 29.0 -58.9 17 3 548.4 548.4 318.0 548.5 0.01 75 37 22538 -58.9 -87.9 1 29.0 -59.7 1 0 550.1 550.1 318.1 550.1 0.00 76 30 23860 -57.1 -87.1 1 30.0 -58.4 55 2 589.0 589.0 320.1 589.0 0.01 77 22 25837 -53.3 -85.3 1 32.0 -55.7 12 10 654.9 654.9 322.9 655.0 0.01 78 20 26450 -53.1 -85.1 1 32.0 -55.8 10 5 673.6 673.6 323.6 673.7 0.01 79 17 27505 -50.1 -84.1 1 34.0 -53.9 30 8 715.3 715.3 324.9 715.5 0.02 80 15 28324 -49.3 -83.3 1 34.0 -53.8 16 20 744.0 744.0 325.8 744.3 0.03 81 13 29272 -44.7 -81.7 1 37.0 -51.5 90 8 791.0 791.1 327.0 791.4 0.04 82 12 29808 -45.3 -82.3 1 37.0 -52.1 113 10 807.2 807.3 327.4 807.6 0.04 83 12 29808 -42.5 -80.5 1 38.0 -50.7 113 10 817.2 817.2 327.7 817.6 0.05 84 10 31040 -42.3 -81.3 1 39.0 -51.4 295 11 861.6 861.7 328.7 862.2 0.05 85 9.5 31388 -40.7 -80.7 1 40.0 -50.8 880.4 880.5 329.1 881.1 0.06 86 8.9 31831 -41.5 -80.5 1 39.0 -51.5 893.9 894.0 329.3 894.7 0.07 87 8.7 31986 -40.5 -80.5 1 40.0 -51.2 903.7 903.7 329.5 904.4 0.07 88 8.1 32472 -41.1 -80.1 1 39.0 -51.8 919.9 920.0 329.8 920.8 0.08 89 7.6 32907 -39.5 -79.5 1 40.0 -51.4 943.3 943.4 330.2 944.4 0.09 TRP 150 13900 -72.7 -77.6 47 4.9 -72.7 265 37 344.9 344.9 295.5 344.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5672.00 m Freezing level: 637.86 mb = 3893.63 m = 12774.22 ft Wetbulb zero: 750.74 mb = 2571.02 m = 8435.00 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 41.52 % Est. max temperature: 27.68 C = 81.82 F Sfc-Lift cond lev (LCL): 784.12 mb = 2212.20 m = 7257.79 ft T: 8.63 C 700-500 lapse rate: 5.21 C/km ThetaE index: 16.68 C Layer 778.0- 700.0 mb Conv cond level (CCL): 712.38 mb = 3000.24 m = 9843.20 ft Mean mixing ratio: 7.35 g/kg Conv temperature: 33.12 C = 91.62 F Cap Strength: 5.68 C Lifted Index: 5.27 C Risk: None Lifted Index @300 mb: 6.96 C Lifted Index @700 mb: 2.53 C Showalter Index: 4.33 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 2.50 Risk: None Sweat Index: 164.20 Risk: None Energy Index: 0.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.85 J/kg Max Up Vert Vel: 1.30 m/s Conv Inhibition (B-): 47750.49 J/kg Cap Strength: 5.65 C Lift Cond Lev (LCL): 774.85 mb = 2310.66 m = 7580.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 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 1006 98 310 9 6.9 -5.8 | 142 12 -7.6 9.8 1 1000 138 5 5 -0.4 -5.0 | 125 18 -14.9 10.6 2 981 305 350 7 1.2 -6.9 | 123 16 -13.3 8.7 3 947 610 350 8 1.4 -7.9 | 120 15 -13.1 7.7 4 925 818 320 12 7.7 -9.2 | 133 9 -6.8 6.4 5 915 914 320 12 7.7 -9.2 | 133 9 -6.8 6.4 6 882 1219 315 15 10.6 -10.6 | 142 6 -3.9 5.0 7 850 1539 295 15 13.6 -6.3 | 174 9 -0.9 9.2 8 821 1829 280 17 16.7 -3.0 | 190 13 2.2 12.6 9 791 2134 270 21 21.0 -0.0 | 203 17 6.5 15.6 10 762 2438 270 28 28.0 -0.0 | 221 21 13.5 15.6 11 735 2743 290 31 29.1 -10.6 | 251 15 14.6 5.0 12 700 3143 290 32 30.1 -10.9 | 253 16 15.6 4.6 13 656 3658 285 32 30.9 -8.3 | 246 18 16.4 7.3 14 607 4267 295 36 32.6 -15.2 | 269 18 18.1 0.4 15 562 4877 290 40 37.6 -13.7 | 265 23 23.1 1.9 16 521 5486 280 45 44.3 -7.8 | 255 31 29.8 7.8 17 500 5810 270 43 43.0 -0.0 | 241 32 28.5 15.6 18 481 6096 270 42 42.0 -0.0 | 240 32 27.5 15.6 19 400 7480 285 34 32.8 -8.8 | 250 20 18.3 6.8 20 392 7620 285 34 32.8 -8.8 | 250 20 18.3 6.8 21 376 7925 285 27 26.1 -7.0 | 233 14 11.6 8.6 22 360 8230 265 21 20.9 1.8 | 200 19 6.4 17.4 23 345 8534 275 18 17.9 -1.6 | 194 14 3.4 14.0 24 316 9144 270 23 23.0 -0.0 | 209 18 8.5 15.6 25 300 9520 295 18 16.3 -7.6 | 193 8 1.8 8.0 26 277 10058 310 19 14.6 -12.2 | 181 3 0.1 3.4 27 253 10668 310 23 17.6 -14.8 | 256 3 3.1 0.8 28 250 10740 320 22 14.1 -16.9 | 16 1 -0.4 -1.3 29 219 11582 345 25 6.5 -24.1 | 43 12 -8.0 -8.6 30 209 11887 330 13 6.5 -11.3 | 118 9 -8.0 4.3 31 200 12170 270 17 17.0 -0.0 | 189 16 2.5 15.6 32 199 12192 280 11 10.8 -1.9 | 165 14 -3.7 13.7 33 155 13716 270 44 44.0 -0.0 | 242 33 29.5 15.6 34 150 13900 265 37 36.9 3.2 | 230 29 22.4 18.8 35 147 14021 265 36 35.9 3.1 | 229 28 21.4 18.7 36 140 14326 295 37 33.5 -15.6 | 270 19 19.0 -0.1 37 133 14630 280 30 29.5 -5.2 | 235 18 15.0 10.4 38 127 14935 270 35 35.0 -0.0 | 233 26 20.5 15.6 39 121 15240 285 42 40.6 -10.9 | 260 26 26.1 4.7 40 115 15545 300 39 33.8 -19.5 | 281 20 19.3 -3.9 41 104 16154 315 29 20.5 -20.5 | 309 8 6.0 -4.9 42 100 16400 260 20 19.7 3.5 | 195 20 5.2 19.1 43 94 16764 260 20 19.7 3.5 | 195 20 5.2 19.1 44 90 17069 260 24 23.6 4.2 | 205 22 9.1 19.8 45 85 17374 325 12 6.9 -9.8 | 127 10 -7.6 5.8 46 81 17678 215 10 5.7 8.2 | 160 25 -8.8 23.8 47 77 17983 215 15 8.6 12.3 | 168 28 -5.9 27.9 48 74 18288 270 17 17.0 -0.0 | 189 16 2.5 15.6 49 70 18590 275 21 20.9 -1.8 | 205 15 6.4 13.8 50 70 18593 290 14 13.2 -4.8 | 173 11 -1.3 10.8 51 67 18898 270 22 22.0 -0.0 | 206 17 7.5 15.6 52 63 19202 315 18 12.7 -12.7 | 148 3 -1.8 2.9 53 60 19507 335 17 7.2 -15.4 | 91 7 -7.3 0.2 54 57 19812 340 18 6.2 -16.9 | 81 8 -8.3 -1.3 55 55 20117 15 18 -4.7 -17.4 | 85 19 -19.2 -1.8 56 52 20422 10 20 -3.5 -19.7 | 77 18 -18.0 -4.1 57 50 20660 45 7 -4.9 -4.9 | 119 22 -19.4 10.6 58 49 20726 60 11 -9.5 -5.5 | 113 26 -24.0 10.1 59 45 21336 90 3 -3.0 0.0 | 132 23 -17.5 15.6 60 41 21946 60 10 -8.7 -5.0 | 115 25 -23.2 10.6 61 37 22555 0 0 -0.0 -0.0 | 137 21 -14.5 15.6 62 34 23165 10 10 -1.7 -9.8 | 109 17 -16.2 5.7 63 30 23774 80 13 -12.8 -2.3 | 116 30 -27.3 13.3 64 30 23860 55 2 -1.6 -1.1 | 132 22 -16.1 14.4 65 29 24079 90 10 -10.0 0.0 | 122 29 -24.5 15.6 66 28 24384 265 2 2.0 0.2 | 142 20 -12.5 15.8 67 25 24994 320 10 6.4 -7.7 | 134 11 -8.1 7.9 68 24 25298 330 11 5.5 -9.5 | 124 11 -9.0 6.1 69 21 26213 40 10 -6.4 -7.7 | 111 22 -20.9 7.9 70 20 26450 10 5 -0.9 -4.9 | 125 19 -15.4 10.7 71 20 26518 60 10 -8.7 -5.0 | 115 25 -23.2 10.6 72 17 27432 35 8 -4.6 -6.6 | 115 21 -19.1 9.0 73 16 28042 360 10 -0.0 -10.0 | 111 16 -14.5 5.6 74 15 28346 15 20 -5.2 -19.3 | 79 20 -19.7 -3.7 75 14 28956 95 10 -10.0 0.9 | 124 29 -24.5 16.5 76 13 29261 95 7 -7.0 0.6 | 127 27 -21.5 16.2 77 12 29566 60 12 -10.4 -6.0 | 111 27 -24.9 9.6 78 12 29870 120 10 -8.7 5.0 | 132 31 -23.2 20.6 79 10 31040 295 11 10.0 -4.6 | 158 12 -4.5 10.9 Wind Parameters Mean winds (0-6000m): 287.1 at 28.4 knts Storm direction: 317.1 at 21.3 knts Shear (0-3000m) pos: 2.3 neg: 3.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 111.0 deg Storm rel helicity (0-3000m) pos: 112.6 neg: -22.0 tot: 90.6 m^2/s^2 ave: 30.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 89.07 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 ------------------------------------------------------------------------------- 500 350 7 123 16| 6.1 0.0 6.1| 0.0 -22.0 -22.0 -44.0 -0.60| 9.8 -5.9 1000 334 9 125 13| 3.0 4.3 7.3| 8.4 -22.0 -13.6 -13.6 -0.15| 9.3 -1.4 1500 321 11 133 10| 2.0 4.5 6.5| 19.2 -22.0 -2.8 -1.9 0.11| 8.7 0.9 2000 306 13 152 9| 1.5 5.3 6.8| 36.5 -22.0 14.5 7.2 0.23| 8.6 2.0 2500 294 15 177 9| 1.6 4.2 5.8| 89.8 -22.0 67.8 27.1 0.40| 9.5 3.8 3000 292 18 194 9| 2.3 3.5 5.8|112.6 -22.0 90.6 30.2 0.46| 8.9 4.1 4000 291 22 217 10| 2.3 2.9 5.2|135.6 -30.5 105.1 26.3 0.45| 7.7 3.5 5000 291 25 234 11| 2.1 2.9 4.9|145.1 -47.6 97.5 19.5 0.37| 7.2 2.7 6000 287 28 240 15| 1.7 3.1 4.8|145.1-139.3 5.8 1.0 0.17| 7.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20250501.00.gif