UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020040118.upa.cvt Date: 1800Z 1 APR 20 Searching for LFBD... Searching the city database file for: LFBD ... Date:1800Z 1 APR 20 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1007 61 17.6 6.6 48 11.0 11.5 115 7 290.2 291.2 284.4 307.5 6.07 1 1000 112 16.2 6.2 51 10.0 10.7 115 7 289.4 290.4 283.9 306.3 5.95 2 925 767 10.0 5.0 71 5.0 7.3 75 9 289.5 290.6 284.0 306.4 5.91 3 850 1462 4.2 1.7 84 2.5 3.0 65 17 290.5 291.4 283.5 305.2 5.09 4 700 3013 -4.9 -7.1 85 2.2 -5.8 65 5 297.1 297.6 284.1 306.7 3.20 5 500 5570 -22.1 -43.1 13 21.0 -24.4 95 15 306.1 306.1 284.1 306.7 0.17 6 400 7170 -35.1 -38.3 72 3.2 -35.4 95 19 309.4 309.4 285.5 310.6 0.35 7 300 9110 -50.7 -60.7 30 10.0 -50.9 95 36 313.9 313.9 286.8 314.0 0.04 8 259 10055 -55.7 -67.7 21 12.0 -55.9 100 17 320.0 320.0 288.8 320.1 0.02 9 250 10280 -55.9 -67.9 21 12.0 -56.1 100 15 323.0 323.0 289.7 323.0 0.02 10 200 11700 -54.5 -72.5 9 18.0 -54.8 55 7 346.5 346.5 295.8 346.5 0.01 11 150 13550 -52.3 -80.3 2 28.0 -52.8 345 1 380.0 380.0 302.2 380.0 0.00 12 100 16160 -53.1 -85.1 1 32.0 -53.8 300 9 425.1 425.1 308.3 425.1 0.00 TRP 259 10055 -55.7 -67.7 21 12.0 -55.9 100 17 320.0 320.0 288.8 320.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 780.77 mb = 2177.85 m = 7145.08 ft Wetbulb zero: 798.99 mb = 1956.36 m = 6418.43 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 63.45 % Est. max temperature: 17.88 C = 64.19 F Sfc-Lift cond lev (LCL): 854.19 mb = 1421.57 m = 4663.87 ft T: 4.54 C 700-500 lapse rate: 6.73 C/km ThetaE index: 1.23 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 839.16 mb = 1564.53 m = 5132.91 ft Mean mixing ratio: 5.91 g/kg Conv temperature: 18.42 C = 65.15 F Cap Strength: 1.06 C Lifted Index: 2.55 C Risk: None Lifted Index @300 mb: 5.53 C Lifted Index @700 mb: 1.06 C Showalter Index: 3.31 C Risk: None Total Totals Index: 50.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 23.80 C K Index: 25.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 91.40 Risk: None Energy Index: 0.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.38 J/kg Max Up Vert Vel: 1.66 m/s Conv Inhibition (B-): 9969.16 J/kg Cap Strength: 2.44 C Lift Cond Lev (LCL): 857.64 mb = 1388.47 m = 4555.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 111 at 8 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 1007 61 115 7 -6.3 3.0 | 265 1 1.3 0.1 1 1000 112 115 7 -6.3 3.0 | 265 1 1.3 0.1 2 925 767 75 9 -8.7 -2.3 | 12 5 -1.1 -5.2 3 850 1462 65 17 -15.4 -7.2 | 38 13 -7.8 -10.0 4 700 3013 65 5 -4.5 -2.1 | 328 6 3.1 -5.0 5 500 5570 95 15 -14.9 1.3 | 78 8 -7.3 -1.5 6 400 7170 95 19 -18.9 1.7 | 84 11 -11.3 -1.2 7 300 9110 95 36 -35.9 3.1 | 91 28 -28.3 0.3 8 259 10055 100 17 -16.7 3.0 | 91 9 -9.1 0.1 9 250 10280 100 15 -14.8 2.6 | 88 7 -7.2 -0.2 10 200 11700 55 7 -5.7 -4.0 | 345 7 1.9 -6.9 11 150 13550 345 1 0.3 -1.0 | 296 9 7.9 -3.8 12 100 16160 300 9 7.8 -4.5 | 296 17 15.4 -7.3 Wind Parameters Mean winds (0-6000m): 80.5 at 10.8 knts Storm direction: 110.5 at 8.1 knts Shear (0-3000m) pos: 0.6 neg: 1.1 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 65.2 deg Storm rel helicity (0-3000m) pos: 7.5 neg: -18.2 tot: -10.8 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 2.83 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 ------------------------------------------------------------------------------- 500 102 8 353 1| 0.0 4.0 4.0| 0.7 0.0 0.7 1.4 0.56| 4.1 2.3 1000 86 9 18 4| 0.0 4.5 4.5| 4.2 -0.1 4.1 4.1 0.44| 4.9 2.1 1500 77 11 29 6| 0.0 4.4 4.4| 7.5 -1.3 6.1 4.1 0.34| 5.2 1.7 2000 73 12 30 7| 0.0 2.4 2.4| 7.5 -7.2 0.2 0.1 0.15| 4.9 0.7 2500 71 11 27 7| 0.0 1.4 1.4| 7.5 -13.2 -5.7 -2.3 -0.00| 4.7 -0.0 3000 71 11 21 7| 0.6 1.1 1.7| 7.5 -18.2 -10.8 -3.6 -0.13| 4.5 -0.6 4000 71 10 16 6| 0.3 0.9 1.1| 13.1 -18.2 -5.1 -1.3 0.03| 3.9 0.1 5000 75 10 21 6| 0.6 0.7 1.3| 19.3 -18.2 1.1 0.2 0.15| 3.6 0.5 6000 81 11 34 6| 0.8 0.6 1.4| 23.8 -18.2 5.6 0.9 0.20| 3.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20200401.18.gif