UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020031912.upa.cvt Date: 1200Z 19 MAR 20 Searching for KIAD... Searching the city database file for: KIAD ... Date:1200Z 19 MAR 20 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 1011 98 9.6 8.7 94 0.9 9.1 200 5 281.9 283.1 281.8 301.0 6.99 1 1000 179 9.0 8.1 94 0.9 8.5 220 10 282.1 283.3 281.7 300.8 6.78 2 957 544 9.4 9.4 100 0.0 9.4 242 24 286.1 287.5 284.5 307.7 7.75 3 952 588 11.8 11.4 97 0.4 11.6 244 24 289.0 290.6 286.8 314.1 8.92 4 925 829 12.8 10.4 85 2.4 11.4 265 26 292.4 293.9 287.7 316.9 8.59 5 919 884 13.2 10.4 83 2.8 11.5 268 27 293.4 294.9 288.1 318.1 8.64 6 850 1539 10.6 6.9 78 3.7 8.5 285 35 297.3 298.6 288.3 318.8 7.36 7 822 1818 10.0 4.0 66 6.0 6.7 280 37 299.5 300.6 288.1 317.9 6.21 8 718 2927 2.0 -2.4 73 4.4 -0.1 270 34 302.5 303.3 287.5 316.1 4.47 9 700 3132 1.6 -5.4 60 7.0 -1.5 270 33 304.3 304.9 287.2 315.5 3.65 10 683 3329 0.4 -6.6 59 7.0 -2.6 272 34 305.1 305.7 287.3 315.6 3.41 11 676 3412 0.6 -11.4 40 12.0 -4.1 273 34 306.2 306.6 286.6 313.7 2.36 12 671 3471 0.4 -6.6 59 7.0 -2.7 273 34 306.6 307.3 287.9 317.4 3.47 13 654 3676 0.0 -11.0 43 11.0 -4.4 275 35 308.4 308.9 287.6 316.5 2.52 14 522 5433 -13.7 -34.7 15 21.0 -17.5 273 50 312.5 312.5 286.7 313.8 0.39 15 501 5745 -13.5 275 56 316.4 16 500 5760 -13.5 275 56 316.6 17 484 6007 -15.3 279 58 317.3 18 458 6421 -18.9 -60.9 1 42.0 -22.5 285 61 317.9 317.9 288.1 318.0 0.02 19 400 7420 -23.7 -68.7 1 45.0 -26.6 300 68 324.2 324.2 290.0 324.2 0.01 20 399 7438 -23.7 -67.7 1 44.0 -26.6 300 68 324.4 324.4 290.1 324.5 0.01 21 321 8979 -38.3 -59.3 9 21.0 -39.2 300 81 325.0 325.0 290.3 325.2 0.04 22 300 9440 -42.7 -58.7 16 16.0 -43.3 295 86 325.2 325.2 290.4 325.4 0.05 23 265 10263 -50.1 -56.1 49 6.0 -50.3 295 91 326.1 326.1 290.7 326.4 0.07 24 250 10640 -53.5 -60.5 42 7.0 -53.7 295 93 326.5 326.5 290.7 326.7 0.04 25 245 10769 -54.7 -60.7 47 6.0 -54.8 295 93 326.6 326.6 290.8 326.8 0.04 26 200 12040 -63.3 -70.3 38 7.0 -63.4 300 98 332.5 332.5 292.4 332.6 0.01 27 192 12291 -64.7 -71.7 38 7.0 -64.8 295 95 334.2 334.2 292.9 334.2 0.01 28 178 12761 -59.7 -71.7 20 12.0 -59.9 293 91 349.7 349.7 296.5 349.7 0.01 29 176 12832 -54.9 -69.9 14 15.0 -55.2 293 90 358.7 358.7 298.5 358.8 0.02 30 171 13018 -52.9 -73.9 6 21.0 -53.3 293 88 365.0 365.0 299.7 365.0 0.01 31 158 13528 -54.5 -86.5 1 32.0 -54.9 291 84 370.6 370.6 300.7 370.6 0.00 32 150 13860 -56.9 -86.9 1 30.0 -57.2 290 81 372.0 372.0 300.9 372.0 0.00 33 124 15045 -64.9 -85.9 4 21.0 -65.0 273 89 378.3 378.3 302.0 378.3 0.00 34 101 16290 -67.7 -86.7 5 19.0 -67.8 279 102 395.8 395.8 304.6 395.8 0.00 35 100 16350 -67.9 -86.9 5 19.0 -68.0 280 103 396.5 396.5 304.8 396.5 0.00 36 91 16919 -65.3 -86.3 4 21.0 -65.5 280 86 412.5 412.5 306.8 412.5 0.00 37 83 17476 -66.9 -85.9 5 19.0 -67.0 280 70 420.3 420.3 307.7 420.3 0.00 38 80 17700 -63.3 -85.3 4 22.0 -63.6 280 64 432.1 432.1 309.1 432.2 0.00 39 70 18510 -67.7 -86.7 5 19.0 -67.8 270 47 439.5 439.6 309.8 439.6 0.00 40 61 19328 -70.5 -86.5 8 16.0 -70.6 268 54 451.0 451.0 311.0 451.0 0.00 41 57 19734 -65.7 -85.7 5 20.0 -66.0 267 57 470.7 470.7 312.7 470.7 0.00 42 50 20520 -69.1 -86.1 7 17.0 -69.3 265 63 480.7 480.7 313.5 480.7 0.00 43 45 21160 -63.7 -85.7 3 22.0 -64.1 269 59 508.5 508.5 315.5 508.5 0.01 44 41 21730 -65.5 -86.5 4 21.0 -65.8 269 59 517.7 517.7 316.2 517.7 0.01 45 39 22037 -62.7 -85.7 3 23.0 -63.2 268 59 532.2 532.2 317.1 532.3 0.01 46 35 22699 -66.7 -86.7 4 20.0 -67.0 267 60 538.5 538.5 317.4 538.6 0.01 47 30 23650 -58.9 -85.9 2 27.0 -59.9 265 62 584.1 584.1 319.9 584.1 0.01 48 29 23862 -59.7 -85.7 2 26.0 -60.7 265 63 587.6 587.6 320.0 587.6 0.01 49 25 24802 -54.1 -84.1 1 30.0 -56.1 263 65 629.1 629.1 321.9 629.2 0.01 50 22 25622 -54.1 -84.1 1 30.0 -56.3 261 67 652.5 652.6 322.8 652.7 0.02 51 20 26240 -48.9 -81.9 1 33.0 -52.7 260 68 686.5 686.5 324.0 686.7 0.02 52 18 26942 -43.1 -81.1 1 38.0 -49.4 261 68 725.8 725.8 325.3 726.1 0.03 53 15 28190 -36.5 -78.5 1 42.0 -46.7 264 69 786.6 786.6 326.9 787.1 0.06 54 12 29744 -34.5 -76.5 1 42.0 -47.0 845.5 845.6 328.3 846.5 0.10 55 11 30349 -37.3 -76.3 1 39.0 -48.6 856.6 856.7 328.5 857.8 0.11 56 10 31010 -36.1 -76.1 1 40.0 -48.6 884.8 884.9 329.1 886.1 0.12 57 9.9 31080 -36.3 -75.3 1 39.0 -48.7 886.6 886.7 329.2 888.1 0.14 TRP 192 12291 -64.7 -71.7 38 7.0 -64.8 295 95 334.2 334.2 292.9 334.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5581.00 m Freezing level: 654.00 mb = 3676.33 m = 12061.29 ft Wetbulb zero: 719.48 mb = 2910.07 m = 9547.36 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 59.01 % Est. max temperature: 24.39 C = 75.89 F Sfc-Lift cond lev (LCL): 997.38 mb = 200.77 m = 658.68 ft T: 9.02 C 700-500 lapse rate: 5.75 C/km ThetaE index: 3.25 C Layer 822.0- 683.0 mb Conv cond level (CCL): 1000.00 mb = 179.00 m = 587.26 ft Mean mixing ratio: 7.89 g/kg Conv temperature: 11.20 C = 52.16 F Cap Strength: 9.16 C Lifted Index: 9.27 C Risk: None Lifted Index @300 mb: 11.48 C Lifted Index @700 mb: 6.03 C Showalter Index: 3.59 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.40 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 208.80 Risk: None Energy Index: -0.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.85 J/kg Max Up Vert Vel: 10.38 m/s Conv Inhibition (B-): 52575.06 J/kg Cap Strength: 8.65 C Lift Cond Lev (LCL): 944.92 mb = 650.17 m = 2133.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 28 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 1011 98 200 5 1.7 4.7 | 133 29 -21.5 19.8 1 1000 179 220 10 6.4 7.7 | 144 28 -16.8 22.8 2 985 305 230 24 18.4 15.4 | 171 31 -4.8 30.6 3 950 610 245 24 21.8 10.1 | 177 25 -1.5 25.3 4 925 829 265 26 25.9 2.3 | 189 18 2.7 17.4 5 916 914 270 28 28.0 -0.0 | 198 16 4.8 15.1 6 883 1219 285 33 31.9 -8.5 | 233 11 8.6 6.6 7 852 1524 285 35 33.8 -9.1 | 240 12 10.6 6.1 8 850 1539 285 35 33.8 -9.1 | 240 12 10.6 6.1 9 821 1829 280 37 36.4 -6.4 | 237 16 13.2 8.7 10 791 2134 280 38 37.4 -6.6 | 239 17 14.2 8.5 11 762 2438 275 37 36.9 -3.2 | 229 18 13.6 11.9 12 734 2743 270 35 35.0 -0.0 | 218 19 11.8 15.1 13 700 3132 270 33 33.0 -0.0 | 213 18 9.8 15.1 14 654 3658 275 35 34.9 -3.1 | 224 17 11.6 12.1 15 605 4267 275 37 36.9 -3.2 | 229 18 13.6 11.9 16 560 4877 270 40 40.0 -0.0 | 228 23 16.8 15.1 17 500 5760 275 56 55.8 -4.9 | 253 34 32.6 10.2 18 478 6096 280 59 58.1 -10.2 | 262 35 34.9 4.9 19 400 7420 300 68 58.9 -34.0 | 298 40 35.7 -18.9 20 389 7620 300 70 60.6 -35.0 | 298 42 37.4 -19.9 21 313 9144 300 82 71.0 -41.0 | 298 54 47.8 -25.9 22 300 9440 295 86 77.9 -36.3 | 291 59 54.7 -21.2 23 250 10640 295 93 84.3 -39.3 | 292 66 61.1 -24.2 24 249 10668 295 93 84.3 -39.3 | 292 66 61.1 -24.2 25 200 12040 300 98 84.9 -49.0 | 299 70 61.6 -33.9 26 192 12291 295 95 86.1 -40.1 | 292 68 62.9 -25.0 27 150 13860 290 81 76.1 -27.7 | 283 54 52.9 -12.6 28 120 15240 270 90 90.0 -0.0 | 257 68 66.8 15.1 29 100 16350 280 103 101.4 -17.9 | 272 78 78.2 -2.8 30 73 18288 280 47 46.3 -8.2 | 253 24 23.1 7.0 31 70 18510 270 47 47.0 -0.0 | 238 28 23.8 15.1 32 50 20520 265 63 62.8 5.5 | 242 45 39.5 20.6 33 44 21336 270 58 58.0 -0.0 | 246 38 34.8 15.1 34 30 23650 265 62 61.8 5.4 | 242 44 38.5 20.5 35 20 26240 260 68 67.0 11.8 | 238 51 43.7 26.9 36 14 27432 265 69 68.7 6.0 | 245 50 45.5 21.1 Wind Parameters Mean winds (0-6000m): 273.1 at 37.0 knts Storm direction: 303.1 at 27.7 knts Shear (0-3000m) pos: 6.0 neg: 1.5 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 241.9 neg: -40.8 tot: 201.1 m^2/s^2 ave: 67.0 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 5.3 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.64 Bulk Shear: 84.68 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 ------------------------------------------------------------------------------- 500 233 19 164 28| 21.3 0.0 21.3|170.1 0.0 170.1 340.2 0.88| 26.3 23.0 1000 252 23 177 22| 15.7 0.0 15.7|224.9 0.0 224.9 224.9 0.79| 22.3 17.5 1500 266 27 191 17| 12.1 0.0 12.1|239.8 -0.1 239.7 159.8 0.78| 17.0 13.3 2000 271 29 202 16| 9.1 0.9 10.0|241.9 -2.4 239.5 119.8 0.73| 13.8 10.0 2500 272 31 208 16| 7.3 1.5 8.7|241.9 -25.2 216.7 86.7 0.58| 12.1 7.0 3000 272 31 210 16| 6.0 1.5 7.5|241.9 -40.8 201.1 67.0 0.49| 10.7 5.3 4000 272 32 213 16| 5.1 1.1 6.2|261.6 -40.8 220.8 55.2 0.52| 8.6 4.5 5000 272 34 217 17| 4.1 1.3 5.3|283.3 -42.2 241.1 48.2 0.50| 7.8 3.9 6000 273 37 226 19| 4.8 1.1 5.9|402.7 -42.2 360.5 60.1 0.56| 8.1 4.5 Wrote GIF file: /home/apache/climate/data/raob//KIAD/skewt/KIAD.skewt.20200319.12.gif