UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050800.upa.cvt Date: 0000Z 8 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 8 MAY 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1009 103 7.4 3.8 78 3.6 5.6 45 13 279.8 280.7 278.4 293.5 4.98 1 1000 169 8.8 7.3 90 1.5 8.0 50 13 282.0 283.1 281.1 299.6 6.42 2 925 811 5.2 1.8 79 3.4 3.6 80 27 284.6 285.4 280.4 297.9 4.71 3 850 1499 3.0 -11.0 35 14.0 -2.0 55 27 289.3 289.6 279.1 295.1 1.94 4 700 3053 -4.3 -18.3 33 14.0 -8.4 35 15 297.7 298.0 282.1 301.8 1.29 5 500 5600 -22.7 -23.6 92 0.9 -22.9 20 15 305.4 305.6 284.9 309.1 1.14 6 400 7200 -33.3 -35.1 84 1.8 -33.5 25 19 311.7 311.8 286.5 313.4 0.48 7 300 9160 -46.9 -54.9 40 8.0 -47.2 40 46 319.3 319.3 288.6 319.5 0.07 8 250 10350 -54.7 -62.7 37 8.0 -54.8 45 42 324.7 324.8 290.2 324.9 0.03 9 241 10584 -55.5 -63.5 36 8.0 -55.6 40 48 327.0 327.0 290.9 327.1 0.03 10 200 11770 -56.7 -70.7 16 14.0 -56.9 35 31 343.0 343.0 295.0 343.0 0.01 11 150 13600 -54.9 -80.9 3 26.0 -55.3 40 15 375.5 375.5 301.5 375.5 0.00 12 100 16180 -55.3 -86.3 1 31.0 -55.8 315 1 420.9 420.9 307.8 420.9 0.00 TRP 241 10584 -55.5 -63.5 36 8.0 -55.6 40 48 327.0 327.0 290.9 327.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5431.00 m Freezing level: 788.36 mb = 2137.63 m = 7013.14 ft Wetbulb zero: 876.58 mb = 1248.51 m = 4096.10 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 56.57 % Est. max temperature: 16.30 C = 61.33 F Sfc-Lift cond lev (LCL): 954.91 mb = 548.95 m = 1800.98 ft T: 6.67 C 700-500 lapse rate: 7.22 C/km ThetaE index: 4.54 C Layer 925.0- 700.0 mb Conv cond level (CCL): 829.49 mb = 1694.48 m = 5559.24 ft Mean mixing ratio: 5.37 g/kg Conv temperature: 17.95 C = 64.30 F Cap Strength: 6.11 C Lifted Index: 7.43 C Risk: None Lifted Index @300 mb: 14.90 C Lifted Index @700 mb: 6.11 C Showalter Index: 9.74 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 11.70 C K Index: 0.70 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 2.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.25 J/kg Max Up Vert Vel: 4.06 m/s Conv Inhibition (B-): 12591.74 J/kg Cap Strength: 7.29 C Lift Cond Lev (LCL): 919.81 mb = 856.78 m = 2810.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 14 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 1009 103 45 13 -9.2 -9.2 | 323 7 4.1 -5.4 1 1000 169 50 13 -10.0 -8.4 | 324 6 3.3 -4.6 2 925 811 80 27 -26.6 -4.7 | 86 13 -13.3 -0.9 3 850 1499 55 27 -22.1 -15.5 | 37 15 -8.9 -11.7 4 700 3053 35 15 -8.6 -12.3 | 331 10 4.7 -8.5 5 500 5600 20 15 -5.1 -14.1 | 322 13 8.1 -10.3 6 400 7200 25 19 -8.0 -17.2 | 339 14 5.2 -13.4 7 300 9160 40 46 -29.6 -35.2 | 27 35 -16.3 -31.5 8 250 10350 45 42 -29.7 -29.7 | 32 31 -16.4 -25.9 9 241 10584 40 48 -30.9 -36.8 | 28 37 -17.6 -33.0 10 200 11770 35 31 -17.8 -25.4 | 12 22 -4.5 -21.6 11 150 13600 40 15 -9.6 -11.5 | 335 9 3.6 -7.7 12 100 16180 315 1 0.7 -0.7 | 258 14 14.0 3.1 Wind Parameters Mean winds (0-6000m): 44.1 at 18.4 knts Storm direction: 74.1 at 13.8 knts Shear (0-3000m) pos: 2.1 neg: 2.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 8.0 deg Storm rel helicity (0-3000m) pos: 27.8 neg: -80.7 tot: -53.0 m^2/s^2 ave: -17.7 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.12 Bulk Shear: 3.88 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 61 17 21 5| 12.4 0.0 12.4| 16.5 0.0 16.5 33.0 0.85| 12.7 10.8 1000 71 21 65 8| 6.2 2.3 8.5| 27.8 -16.9 10.9 10.9 0.42| 11.9 5.0 1500 67 23 57 10| 4.1 2.7 6.9| 27.8 -44.4 -16.6 -11.1 0.07| 10.6 0.8 2000 63 24 48 10| 3.1 2.3 5.4| 27.8 -58.4 -30.6 -15.3 -0.05| 9.2 -0.5 2500 60 23 40 10| 2.5 2.3 4.8| 27.8 -70.6 -42.9 -17.1 -0.15| 8.3 -1.3 3000 57 22 33 10| 2.1 2.3 4.4| 27.8 -80.7 -53.0 -17.7 -0.23| 7.6 -1.7 4000 53 20 19 9| 1.6 1.9 3.5| 27.8 -82.7 -54.9 -13.7 -0.23| 5.9 -1.4 5000 48 19 6 9| 1.2 1.7 2.9| 27.8 -85.1 -57.3 -11.5 -0.24| 4.8 -1.2 6000 44 18 357 9| 1.1 1.5 2.6| 32.3 -86.4 -54.1 -9.0 -0.21| 4.2 -0.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250508.00.gif