UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020040100.upa.cvt Date: 0000Z 1 APR 20 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 1 APR 20 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1013 9 20.6 18.3 87 2.3 19.1 60 3 292.7 295.0 291.7 330.1 13.17 1 1000 120 19.6 18.2 92 1.4 18.7 55 13 292.8 295.1 291.8 330.4 13.26 2 970 382 17.4 17.4 100 0.0 17.4 102 16 293.1 295.4 291.7 330.0 12.99 3 928 764 20.4 20.4 100 0.0 20.4 170 21 299.9 302.9 296.2 348.1 16.47 4 925 792 20.4 20.4 100 0.0 20.4 175 21 300.2 303.2 296.3 348.6 16.53 5 876 1263 19.4 17.7 90 1.7 18.2 201 16 303.8 306.6 296.1 347.6 14.70 6 850 1523 17.6 17.0 96 0.6 17.2 215 13 304.6 307.3 296.1 347.8 14.49 7 822 1809 15.8 15.3 97 0.5 15.5 217 13 305.6 308.1 295.7 345.8 13.42 8 806 1978 20.2 4.2 35 16.0 10.8 218 13 312.0 313.2 292.3 332.0 6.42 9 798 2064 20.0 6.0 40 14.0 11.5 218 13 312.7 314.1 293.2 335.6 7.37 10 700 3177 11.0 0.0 47 11.0 5.0 225 13 314.7 315.7 292.3 332.0 5.47 11 665 3601 7.2 -3.8 45 11.0 1.7 229 14 315.0 315.9 291.4 328.9 4.34 12 616 4226 4.0 -22.0 13 26.0 -4.7 234 15 318.3 318.5 289.3 322.0 1.06 13 609 4319 4.8 -25.2 9 30.0 -4.7 235 15 320.3 320.5 289.7 323.2 0.81 14 605 4372 4.8 -30.2 6 35.0 -5.2 236 16 320.9 321.0 289.6 322.8 0.51 15 500 5890 -7.3 -32.3 12 25.0 -13.2 250 19 324.1 324.2 290.6 326.0 0.51 16 493 6000 -7.5 -36.5 8 29.0 -13.7 249 21 325.2 325.3 290.7 326.5 0.34 17 460 6536 -12.1 -28.1 25 16.0 -16.1 243 28 326.0 326.1 291.4 328.9 0.82 18 426 7121 -15.1 -27.1 35 12.0 -18.1 236 37 329.4 329.6 292.5 332.9 0.97 19 418 7266 -13.5 -45.5 5 32.0 -18.7 234 39 333.2 333.3 292.7 333.8 0.16 20 412 7376 -13.9 -53.9 2 40.0 -19.2 233 41 334.1 334.1 292.9 334.3 0.06 21 400 7600 -15.7 -53.7 2 38.0 -20.5 230 44 334.6 334.6 293.0 334.8 0.06 22 364 8305 -19.5 -55.5 3 36.0 -23.5 237 45 338.7 338.7 294.0 338.9 0.06 23 300 9710 -30.1 -56.1 6 26.0 -32.2 250 46 343.0 343.0 295.1 343.2 0.06 24 276 10297 -35.1 -56.1 10 21.0 -36.5 344.0 344.0 295.3 344.3 0.07 25 256 10819 -37.9 -62.9 6 25.0 -39.1 347.4 347.4 296.1 347.5 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 563.35 mb = 4974.32 m = 16319.75 ft Wetbulb zero: 651.81 mb = 3764.45 m = 12350.40 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 47.86 % Est. max temperature: 32.19 C = 89.93 F Sfc-Lift cond lev (LCL): 979.57 mb = 297.79 m = 976.98 ft T: 18.11 C 700-500 lapse rate: 6.75 C/km ThetaE index: 15.79 C Layer 822.0- 798.0 mb Conv cond level (CCL): 996.95 mb = 146.28 m = 479.92 ft Mean mixing ratio: 14.33 g/kg Conv temperature: 20.72 C = 69.30 F Cap Strength: 8.14 C Lifted Index: 0.82 C Risk: Showers probable Lifted Index @300 mb: 5.92 C Lifted Index @700 mb: 4.36 C Showalter Index: -3.57 C Risk: Severe thunderstorms possible Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.30 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.00 Risk: None Energy Index: -4.18 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.06 J/kg Max Up Vert Vel: 8.95 m/s Conv Inhibition (B-): 1481.34 J/kg Cap Strength: 8.10 C Lift Cond Lev (LCL): 956.83 mb = 500.22 m = 1641.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 253 at 12 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 1013 9 60 3 -2.6 -1.5 | 71 14 -13.6 -4.8 1 1000 120 55 13 -10.6 -7.5 | 64 24 -21.7 -10.8 2 925 792 175 21 -1.8 20.9 | 144 22 -12.9 17.6 3 850 1523 215 13 7.5 10.6 | 154 8 -3.6 7.3 4 700 3177 225 13 9.2 9.2 | 163 6 -1.8 5.9 5 500 5890 250 19 17.9 6.5 | 245 8 6.8 3.2 6 400 7600 230 44 33.7 28.3 | 222 34 22.7 25.0 7 300 9710 250 46 43.2 15.7 | 249 35 32.2 12.4 Wind Parameters Mean winds (0-6000m): 223.3 at 15.3 knts Storm direction: 253.3 at 11.5 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 91.2 deg Storm rel helicity (0-3000m) pos: 250.9 neg: -10.3 tot: 240.6 m^2/s^2 ave: 80.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 6.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.43 Bulk Shear: 94.06 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 90 14 82 25| 17.0 0.0 17.0|126.2 -9.8 116.3 232.7 0.58| 29.1 16.8 1000 149 17 119 22| 10.6 0.0 10.6|243.3 -9.8 233.5 233.5 0.70| 25.8 18.0 1500 169 16 132 19| 5.5 0.0 5.5|249.2 -10.3 238.9 159.2 0.61| 20.4 12.5 2000 182 16 139 16| 4.1 0.0 4.1|249.7 -10.3 239.4 119.7 0.60| 15.6 9.4 2500 191 15 144 14| 3.3 0.0 3.3|250.4 -10.3 240.1 96.0 0.60| 12.6 7.6 3000 197 15 148 13| 2.7 0.0 2.7|250.9 -10.3 240.6 80.2 0.60| 10.6 6.4 4000 206 14 154 11| 2.3 0.0 2.3|255.1 -10.3 244.8 61.2 0.62| 8.3 5.1 5000 215 15 164 9| 2.1 0.0 2.1|260.3 -10.3 250.0 50.0 0.64| 7.0 4.4 6000 223 15 176 8| 2.0 0.0 2.0|265.5 -10.9 254.6 42.4 0.63| 6.3 3.9 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20200401.00.gif