UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 29 APR 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 1011 103 13.8 7.8 67 6.0 10.5 80 5 286.1 287.2 283.2 304.4 6.57 1 1000 184 14.2 10.1 76 4.1 11.9 95 11 287.4 288.7 285.0 309.1 7.78 2 925 847 14.4 6.4 59 8.0 9.9 130 29 294.0 295.2 286.4 312.9 6.52 3 850 1553 8.2 4.5 77 3.7 6.2 140 23 294.7 295.9 286.3 312.8 6.22 4 700 3135 0.6 -15.4 29 16.0 -4.9 120 19 303.1 303.5 284.7 308.4 1.65 5 500 5750 -16.3 -47.3 5 31.0 -20.1 95 11 313.2 313.2 286.6 313.6 0.11 6 400 7390 -29.1 -56.1 6 27.0 -30.9 125 19 317.2 317.2 287.9 317.4 0.05 7 300 9370 -45.5 -49.2 66 3.7 -45.7 55 0 321.2 321.3 289.3 321.8 0.14 8 250 10560 -53.9 -58.0 61 4.1 -54.0 325 1 325.9 325.9 290.6 326.2 0.06 9 200 11960 -63.3 -68.3 51 5.0 -63.3 285 9 332.5 332.5 292.4 332.6 0.02 10 183 12502 -66.3 -71.1 51 4.8 -66.3 305 7 336.2 336.2 293.4 336.3 0.01 11 150 13730 -58.3 -83.3 3 25.0 -58.5 170 3 369.6 369.6 300.5 369.6 0.00 12 100 16270 -58.5 -88.5 1 30.0 -58.9 280 7 414.7 414.7 307.1 414.7 0.00 TRP 183 12502 -66.3 -71.1 51 4.8 -66.3 305 7 336.2 336.2 293.4 336.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5566.00 m Freezing level: 692.90 mb = 3227.84 m = 10589.90 ft Wetbulb zero: 766.05 mb = 2400.32 m = 7874.96 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 39.56 % Est. max temperature: 22.41 C = 72.34 F Sfc-Lift cond lev (LCL): 923.68 mb = 858.94 m = 2818.01 ft T: 14.30 C 700-500 lapse rate: 6.46 C/km ThetaE index: 4.54 C Layer 850.0- 500.0 mb Conv cond level (CCL): 787.01 mb = 2180.35 m = 7153.29 ft Mean mixing ratio: 7.06 g/kg Conv temperature: 25.85 C = 78.53 F Cap Strength: 4.27 C Lifted Index: 5.48 C Risk: None Lifted Index @300 mb: 7.57 C Lifted Index @700 mb: 4.27 C Showalter Index: 4.25 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.80 C K Index: 13.00 Risk: None Sweat Index: 111.00 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.90 J/kg Max Up Vert Vel: 5.27 m/s Conv Inhibition (B-): 9071.96 J/kg Cap Strength: 5.38 C Lift Cond Lev (LCL): 874.91 mb = 1311.79 m = 4303.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 151 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 1011 103 80 5 -4.9 -0.9 | 353 13 1.6 -12.7 1 1000 184 95 11 -11.0 1.0 | 22 12 -4.5 -10.9 2 925 847 130 29 -22.2 18.6 | 113 17 -15.7 6.8 3 850 1553 140 23 -14.8 17.6 | 125 10 -8.3 5.7 4 700 3135 120 19 -16.5 9.5 | 77 10 -10.0 -2.4 5 500 5750 95 11 -11.0 1.0 | 22 12 -4.5 -10.9 6 400 7390 125 19 -15.6 10.9 | 84 9 -9.1 -1.0 7 300 9370 55 0 -0.0 -0.0 | 331 14 6.5 -11.9 8 250 10560 325 1 0.6 -0.8 | 331 15 7.1 -12.7 9 200 11960 285 9 8.7 -2.3 | 313 21 15.2 -14.2 10 183 12502 305 7 5.7 -4.0 | 322 20 12.2 -15.9 11 150 13730 170 3 -0.5 3.0 | 326 11 6.0 -8.9 12 100 16270 280 7 6.9 -1.2 | 314 19 13.4 -13.1 Wind Parameters Mean winds (0-6000m): 121.4 at 18.0 knts Storm direction: 151.4 at 13.5 knts Shear (0-3000m) pos: 3.6 neg: 1.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 84.5 deg Storm rel helicity (0-3000m) pos: 102.1 neg: -20.8 tot: 81.2 m^2/s^2 ave: 27.1 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.48 Bulk Shear: 3.10 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 ------------------------------------------------------------------------------- 500 108 15 47 11| 19.2 0.0 19.2| 61.0 0.0 61.0 122.0 0.99| 20.1 19.8 1000 123 21 88 11| 12.4 0.0 12.4| 97.2 0.0 97.2 97.2 0.93| 15.7 14.6 1500 128 22 100 11| 7.1 0.0 7.1|102.1 -0.3 101.7 67.8 0.84| 12.1 10.2 2000 130 22 103 11| 5.3 0.7 6.1|102.1 -7.5 94.6 47.3 0.71| 9.8 6.9 2500 130 22 103 11| 4.3 1.1 5.4|102.1 -14.3 87.8 35.1 0.60| 8.4 5.0 3000 130 22 100 10| 3.6 1.3 4.9|102.1 -20.8 81.2 27.1 0.50| 7.4 3.7 4000 127 21 93 10| 2.7 1.5 4.2|102.1 -32.4 69.6 17.4 0.37| 6.1 2.3 5000 124 19 84 10| 2.1 1.5 3.7|102.1 -43.4 58.6 11.7 0.27| 5.3 1.4 6000 121 18 74 9| 1.9 1.4 3.3|107.8 -50.0 57.9 9.6 0.24| 4.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250429.00.gif