UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 27 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 1015 103 16.6 7.6 55 9.0 11.6 10 5 288.5 289.7 284.1 306.8 6.46 1 1000 223 13.4 8.4 72 5.0 10.6 20 5 286.5 287.8 283.8 305.9 6.92 2 925 872 7.2 6.3 94 0.9 6.7 105 5 286.7 287.8 283.4 304.9 6.48 3 850 1567 6.2 0.2 65 6.0 3.3 160 9 292.6 293.5 283.8 305.9 4.56 4 700 3134 -1.5 -16.5 31 15.0 -6.4 15 7 300.8 301.1 283.6 305.6 1.50 5 500 5720 -18.3 -26.3 49 8.0 -20.0 320 9 310.7 310.9 286.6 313.7 0.89 6 400 7350 -30.7 -41.7 33 11.0 -31.8 330 19 315.1 315.1 287.4 316.0 0.25 7 300 9320 -47.5 -58.5 27 11.0 -47.8 330 35 318.4 318.4 288.3 318.6 0.05 8 250 10500 -57.5 -65.5 35 8.0 -57.6 350 25 320.6 320.6 288.9 320.7 0.02 9 202 11820 -67.7 -73.7 42 6.0 -67.7 320 33 324.6 324.6 290.2 324.7 0.01 10 200 11880 -65.7 -70.7 50 5.0 -65.7 315 33 328.7 328.7 291.3 328.8 0.01 11 150 13650 -59.9 -81.9 4 22.0 -60.1 310 9 366.9 366.9 300.0 366.9 0.00 12 100 16200 -57.5 -87.5 1 30.0 -57.9 340 5 416.6 416.6 307.3 416.6 0.00 TRP 202 11820 -67.7 -73.7 42 6.0 -67.7 320 33 324.6 324.6 290.2 324.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 729.22 mb = 2828.74 m = 9280.53 ft Wetbulb zero: 798.78 mb = 2068.57 m = 6786.55 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 52.24 % Est. max temperature: 19.49 C = 67.08 F Sfc-Lift cond lev (LCL): 887.00 mb = 1216.82 m = 3992.15 ft T: 6.70 C 700-500 lapse rate: 6.50 C/km ThetaE index: 1.92 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 825.68 mb = 1801.25 m = 5909.55 ft Mean mixing ratio: 6.66 g/kg Conv temperature: 21.97 C = 71.55 F Cap Strength: 4.93 C Lifted Index: 6.93 C Risk: None Lifted Index @300 mb: 9.32 C Lifted Index @700 mb: 4.93 C Showalter Index: 6.64 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 18.50 C K Index: 9.70 Risk: None Sweat Index: 29.40 Risk: None Energy Index: 1.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.98 J/kg Max Up Vert Vel: 2.82 m/s Conv Inhibition (B-): 9817.80 J/kg Cap Strength: 6.80 C Lift Cond Lev (LCL): 916.33 mb = 949.41 m = 3114.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 at 6 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 1015 103 10 5 -0.9 -4.9 | 272 2 2.2 -0.1 1 1000 223 20 5 -1.7 -4.7 | 264 1 1.4 0.1 2 925 872 105 5 -4.8 1.3 | 164 6 -1.7 6.1 3 850 1567 160 9 -3.1 8.5 | 180 13 0.0 13.3 4 700 3134 15 7 -1.8 -6.8 | 326 2 1.3 -1.9 5 500 5720 320 9 5.8 -6.9 | 283 9 8.9 -2.1 6 400 7350 330 19 9.5 -16.5 | 313 17 12.6 -11.6 7 300 9320 330 35 17.5 -30.3 | 321 33 20.6 -25.5 8 250 10500 350 25 4.3 -24.6 | 339 21 7.4 -19.8 9 202 11820 320 33 21.2 -25.3 | 310 32 24.3 -20.4 10 200 11880 315 33 23.3 -23.3 | 305 32 26.4 -18.5 11 150 13650 310 9 6.9 -5.8 | 275 10 10.0 -1.0 12 100 16200 340 5 1.7 -4.7 | 268 5 4.8 0.1 Wind Parameters Mean winds (0-6000m): 2.7 at 7.7 knts Storm direction: 32.7 at 5.7 knts Shear (0-3000m) pos: 2.3 neg: 2.6 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 60.9 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -27.7 tot: -18.8 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.47 Bulk Shear: 2.70 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 37 5 186 1| 5.1 0.0 5.1| 0.0 -0.7 -0.7 -1.3 -0.46| 5.5 -2.5 1000 71 5 151 4| 4.9 0.0 4.9| 1.7 -0.7 1.1 1.1 -0.12| 5.5 -0.7 1500 111 6 160 7| 4.6 0.0 4.6| 8.9 -0.7 8.2 5.5 0.07| 5.4 0.4 2000 121 7 162 9| 3.5 1.8 5.2| 8.9 -17.6 -8.7 -4.4 -0.20| 5.9 -1.2 2500 113 7 157 8| 2.8 2.5 5.2| 8.9 -25.0 -16.1 -6.4 -0.30| 6.0 -1.8 3000 109 7 153 8| 2.3 2.6 4.9| 8.9 -27.7 -18.8 -6.3 -0.39| 6.1 -2.3 4000 69 7 123 4| 1.7 2.1 3.8| 8.9 -28.9 -20.0 -5.0 -0.39| 4.9 -1.9 5000 31 7 25 2| 1.4 1.8 3.2| 8.9 -31.6 -22.7 -4.5 -0.40| 4.3 -1.7 6000 3 8 316 4| 1.2 1.7 2.9| 13.1 -34.2 -21.1 -3.5 -0.35| 3.9 -1.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250427.12.gif