72403 IAD Sterling Observations at 12Z 01 May 2010 ----------------------------------------------------------------------------- PRES HGHT TEMP DWPT RELH MIXR DRCT SKNT THTA THTE THTV hPa m C C % g/kg deg knot K K K ----------------------------------------------------------------------------- 1001.0 93 13.2 11.4 89 8.52 180 2 286.3 310.2 287.7 1000.0 101 14.2 11.6 84 8.65 195 3 287.4 311.7 288.9 997.0 126 15.6 12.3 81 9.09 205 5 289.0 314.7 290.6 990.0 186 16.8 11.9 73 8.91 229 8 290.8 316.2 292.3 981.0 265 20.8 11.8 56 8.93 259 13 295.6 321.6 297.2 977.0 300 21.4 10.4 49 8.16 273 16 296.5 320.5 298.0 976.5 305 21.8 10.0 47 7.97 275 16 296.9 320.4 298.4 971.0 354 25.4 6.4 30 6.24 276 18 301.1 320.0 302.2 943.0 610 25.4 2.9 23 5.03 280 27 303.6 319.1 304.5 939.0 648 25.4 2.4 22 4.87 280 27 304.0 319.1 304.9 925.0 779 24.4 1.4 22 4.60 280 25 304.2 318.6 305.1 910.7 914 23.2 0.8 23 4.47 280 20 304.4 318.3 305.2 879.1 1219 20.5 -0.6 24 4.18 275 19 304.7 317.8 305.4 853.0 1480 18.2 -1.8 26 3.95 271 18 304.9 317.3 305.6 850.0 1510 18.0 -1.0 28 4.20 270 18 305.0 318.2 305.8 843.0 1581 17.4 3.4 39 5.83 268 18 305.1 323.1 306.1 818.4 1829 15.1 2.6 43 5.67 260 16 305.2 322.7 306.2 789.3 2134 12.2 1.6 48 5.47 255 15 305.3 322.3 306.3 761.2 2438 9.4 0.6 54 5.28 260 12 305.4 321.8 306.4 750.0 2563 8.2 0.2 57 5.20 260 13 305.4 321.6 306.4 733.7 2743 6.7 -0.8 59 4.94 260 14 305.7 321.1 306.6 718.0 2921 5.2 -1.8 61 4.69 272 15 306.0 320.6 306.9 708.0 3035 4.8 -6.2 45 3.41 279 15 306.8 317.7 307.4 706.9 3048 4.7 -6.3 45 3.39 280 15 306.8 317.6 307.4 700.0 3128 4.0 -7.0 45 3.25 285 13 306.9 317.3 307.5 698.0 3151 4.0 -8.0 41 3.01 285 13 307.1 316.8 307.7 655.4 3658 -0.3 -11.5 42 2.42 290 15 307.9 315.8 308.3 642.0 3823 -1.7 -12.7 43 2.25 255 12 308.1 315.5 308.5 639.0 3861 -1.7 -15.7 34 1.77 247 12 308.5 314.4 308.8 637.0 3886 -1.5 -24.5 15 0.83 241 11 309.0 311.9 309.2 630.9 3962 -1.3 -29.9 9 0.51 225 10 310.1 311.9 310.2 624.0 4050 -1.1 -36.1 5 0.28 228 10 311.3 312.4 311.3 607.0 4267 -2.5 -37.3 5 0.26 235 11 312.1 313.1 312.1 583.9 4572 -4.6 -39.1 5 0.22 245 8 313.2 314.1 313.2 561.6 4877 -6.6 -40.8 5 0.19 260 9 314.3 315.0 314.3 546.0 5099 -8.1 -42.1 5 0.17 249 12 315.1 315.8 315.1 540.2 5182 -7.9 -43.3 4 0.15 245 13 316.3 316.9 316.3 530.0 5330 -7.5 -45.5 3 0.12 249 15 318.5 319.0 318.5 511.0 5613 -9.5 -51.5 2 0.07 256 18 319.4 319.7 319.4 500.0 5780 -10.9 -35.9 11 0.36 260 20 319.7 321.1 319.8 499.3 5791 -11.0 -35.9 11 0.36 260 20 319.7 321.1 319.8 490.0 5935 -12.3 -36.3 12 0.35 265 20 319.8 321.2 319.9 479.7 6096 -13.8 -36.8 12 0.34 270 20 319.9 321.2 320.0 460.7 6401 -16.7 -37.9 14 0.32 260 22 320.1 321.3 320.1 449.0 6596 -18.5 -38.5 15 0.31 262 24 320.1 321.3 320.2 407.4 7315 -22.8 -49.1 7 0.11 270 31 323.6 324.0 323.6 403.0 7395 -23.3 -50.3 7 0.09 270 31 323.9 324.3 323.9 400.0 7450 -23.5 -50.5 6 0.09 270 31 324.4 324.8 324.4 391.0 7616 -23.3 -56.3 3 0.05 280 30 326.7 326.9 326.8 390.8 7620 -23.3 -56.3 3 0.05 280 30 326.8 326.9 326.8 359.0 8230 -28.6 -62.2 2 0.02 300 33 327.8 327.9 327.8 341.0 8599 -31.7 -65.7 2 0.02 298 34 328.3 328.4 328.3 315.3 9144 -35.9 -68.0 2 0.01 295 36 330.0 330.1 330.0 301.8 9449 -38.2 -69.3 2 0.01 295 40 330.9 330.9 330.9 300.0 9490 -38.5 -69.5 2 0.01 300 39 331.0 331.0 331.0 298.0 9536 -38.9 -68.9 3 0.01 303 38 331.1 331.1 331.1 294.0 9629 -38.3 -67.3 3 0.02 308 37 333.2 333.3 333.2 288.7 9754 -39.3 -67.8 3 0.01 315 35 333.5 333.5 333.5 276.2 10058 -41.9 -69.2 4 0.01 315 29 334.1 334.1 334.1 273.0 10137 -42.5 -69.5 4 0.01 314 32 334.2 334.3 334.2 263.0 10389 -43.3 -68.3 5 0.01 310 42 336.6 336.7 336.6 250.0 10730 -46.3 -68.3 6 0.02 305 55 337.1 337.2 337.1 208.8 11887 -57.2 -71.0 16 0.01 305 83 337.9 337.9 337.9 205.0 12006 -58.3 -71.3 17 0.01 305 83 337.9 337.9 337.9 204.0 12036 -58.4 -71.3 17 0.01 305 83 338.3 338.3 338.3 201.0 12129 -58.5 -71.5 17 0.01 305 78 339.5 339.5 339.5 200.0 12160 -58.1 -71.1 17 0.01 300 77 340.6 340.7 340.6 198.0 12224 -56.1 -70.1 16 0.02 301 74 344.8 344.8 344.8 194.0 12354 -55.9 -69.9 16 0.02 303 68 347.1 347.2 347.1 193.0 12387 -54.5 -69.5 14 0.02 303 66 349.9 349.9 349.9 189.7 12497 -54.0 -69.0 14 0.02 305 61 352.4 352.4 352.4 189.0 12522 -53.9 -68.9 14 0.02 305 61 352.9 353.0 352.9 183.0 12729 -55.5 -70.5 14 0.02 305 59 353.6 353.7 353.6 181.0 12799 -54.9 -69.9 14 0.02 305 58 355.7 355.8 355.7 178.0 12906 -54.9 -69.9 14 0.02 305 57 357.4 357.5 357.4 166.0 13350 -58.1 -72.1 15 0.01 305 52 359.2 359.3 359.2 163.0 13466 -56.9 -71.9 13 0.01 305 51 363.1 363.2 363.1 153.0 13866 -59.5 -72.5 17 0.01 305 46 365.3 365.4 365.3 150.0 13990 -59.5 -72.5 17 0.01 305 45 367.4 367.4 367.4 149.3 14021 -59.6 -72.7 17 0.01 305 45 367.6 367.7 367.6 145.0 14202 -60.5 -73.5 17 0.01 299 50 369.2 369.3 369.2 143.0 14288 -59.9 -72.9 17 0.01 296 52 371.7 371.8 371.7 137.0 14555 -61.5 -74.5 16 0.01 287 60 373.5 373.5 373.5 135.3 14630 -61.5 -74.5 16 0.01 285 62 374.8 374.8 374.8 129.0 14928 -61.5 -74.5 16 0.01 283 54 380.0 380.0 380.0 122.6 15240 -63.3 -75.6 17 0.01 280 46 382.2 382.2 382.2 120.0 15373 -64.1 -76.1 18 0.01 284 46 383.1 383.2 383.1 118.0 15477 -63.3 -75.3 18 0.01 288 46 386.4 386.5 386.4 116.0 15582 -63.5 -75.5 18 0.01 291 45 388.0 388.0 388.0 110.0 15906 -65.7 -76.7 20 0.01 301 45 389.8 389.8 389.8 100.0 16480 -69.3 -79.3 22 0.01 320 44 393.6 393.6 393.6 95.6 16748 -70.3 -80.3 22 0.01 330 32 396.7 396.8 396.7 90.6 17069 -68.4 -79.2 20 0.01 290 19 406.7 406.7 406.7 89.9 17115 -68.1 -79.1 19 0.01 291 19 408.1 408.2 408.1 86.9 17318 -69.1 -79.1 22 0.01 294 21 410.1 410.1 410.1 86.1 17374 -69.0 -79.0 22 0.01 295 21 411.5 411.5 411.5 81.8 17678 -68.2 -78.8 21 0.01 255 18 419.1 419.2 419.1 77.8 17983 -67.3 -78.5 19 0.01 250 25 426.9 427.0 426.9 74.0 18288 -66.5 -78.2 18 0.01 280 21 434.8 434.9 434.8 72.0 18450 -66.1 -78.1 17 0.01 296 17 439.1 439.2 439.1 70.3 18593 -66.6 -77.8 19 0.01 310 13 441.0 441.1 441.0 70.0 18620 -66.7 -77.7 20 0.01 300 11 441.4 441.4 441.4 66.9 18898 -66.7 -77.8 19 0.01 255 13 447.3 447.4 447.3 60.5 19507 -66.6 -78.2 18 0.01 255 16 460.5 460.6 460.5 57.5 19812 -66.5 -78.3 18 0.02 285 22 467.3 467.4 467.3 54.7 20117 -66.5 -78.5 17 0.02 325 23 474.1 474.2 474.1 54.3 20157 -66.5 -78.5 17 0.02 328 22 475.0 475.1 475.0 50.0 20660 -63.3 -76.3 16 0.02 5 15 493.9 494.1 493.9 49.5 20726 -62.8 -76.2 15 0.02 5 14 496.6 496.8 496.6 48.5 20848 -61.9 -75.9 14 0.03 339 15 501.5 501.7 501.5 47.1 21031 -61.4 -75.9 13 0.03 300 16 506.9 507.1 506.9 45.5 21243 -60.9 -75.9 12 0.03 328 15 513.2 513.4 513.2 44.8 21336 -60.0 -75.7 11 0.03 340 14 517.5 517.7 517.5 42.7 21641 -57.1 -75.1 8 0.03 350 7 531.9 532.2 532.0 41.5 21821 -58.1 -75.1 10 0.03 356 3 533.8 534.1 533.8 40.7 21946 -57.4 -75.1 9 0.04 0 0 538.5 538.8 538.5 39.1 22197 -56.1 -75.1 8 0.04 341 6 548.0 548.3 548.0 36.1 22704 -56.3 -76.3 6 0.03 302 19 560.1 560.4 560.2 35.2 22860 -55.7 -76.8 6 0.03 290 23 565.6 565.9 565.6 32.0 23470 -53.3 -78.5 3 0.03 340 17 587.5 587.8 587.6 30.0 23890 -51.7 -79.7 2 0.02 246 23 603.1 603.3 603.1 29.3 24044 -50.9 -80.9 2 0.02 213 25 609.4 609.5 609.4 29.1 24079 -51.0 -81.0 2 0.02 205 26 610.1 610.3 610.2 27.8 24384 -51.5 -81.9 1 0.02 225 32 617.0 617.1 617.0 26.5 24689 -52.0 -82.7 1 0.02 235 37 623.9 624.0 623.9 25.7 24898 -52.3 -83.3 1 0.02 245 36 628.6 628.8 628.6 23.2 25562 -52.1 -85.1 1 0.01 278 32 647.9 648.0 647.9 23.1 25603 -51.7 -85.0 1 0.01 280 32 650.2 650.3 650.2 22.6 25733 -50.5 -84.5 1 0.01 280 33 657.5 657.6 657.5 22.0 25908 -50.9 -84.6 1 0.01 280 34 661.3 661.5 661.3 21.0 26213 -51.6 -84.7 1 0.01 295 40 668.0 668.2 668.0 20.9 26243 -51.7 -84.7 1 0.01 294 40 668.7 668.9 668.7 20.0 26530 -51.3 -84.3 1 0.02 285 42 678.4 678.6 678.4 19.2 26795 -50.7 -84.7 1 0.02 285 45 688.2 688.4 688.2 19.1 26822 -50.8 -84.8 1 0.02 285 45 688.7 688.9 688.8 17.4 27432 -52.8 -86.0 1 0.01 290 34 701.1 701.3 701.1 17.0 27583 -53.3 -86.3 1 0.01 289 34 704.2 704.4 704.2 15.9 28014 -52.9 -85.9 1 0.02 287 32 719.1 719.3 719.1 15.1 28346 -49.6 -83.5 1 0.03 285 31 740.7 741.0 740.7 15.0 28393 -49.1 -83.1 1 0.03 285 32 743.8 744.1 743.8 14.0 28846 -48.7 -82.7 1 0.03 283 36 760.0 760.3 760.0 12.0 29870 -51.2 -84.5 1 0.03 280 47 785.8 786.1 785.8 11.5 30129 -51.9 -84.9 1 0.03 792.5 792.8 792.5 Station information and sounding indices Station identifier: IAD Station number: 72403 Observation time: 100501/1200 Station latitude: 38.98 Station longitude: -77.46 Station elevation: 93.0 Showalter index: 6.59 Lifted index: 6.54 LIFT computed using virtual temperature: 6.29 SWEAT index: 56.02 K index: 16.90 Cross totals index: 9.90 Vertical totals index: 28.90 Totals totals index: 38.80 Convective Available Potential Energy: 0.00 CAPE using virtual temperature: 0.00 Convective Inhibition: 0.00 CINS using virtual temperature: 0.00 Bulk Richardson Number: 0.00 Bulk Richardson Number using CAPV: 0.00 Temp [K] of the Lifted Condensation Level: 278.33 Pres [hPa] of the Lifted Condensation Level: 793.17 Mean mixed layer potential temperature: 297.41 Mean mixed layer mixing ratio: 7.20 1000 hPa to 500 hPa thickness: 5679.00 Precipitable water [mm] for entire sounding: 18.56 Description of the data columns or sounding indices. -------------------------------------------------------------------------------- Interested in studying meteorology? 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