UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 7 OCT 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 1013 103 17.4 7.4 52 10.0 11.8 165 1 289.5 290.6 284.4 307.6 6.38 1 1000 207 14.8 10.2 74 4.6 12.1 190 1 288.0 289.3 285.3 309.9 7.83 2 925 861 10.4 6.5 77 3.9 8.3 160 9 289.9 291.1 284.8 308.6 6.57 3 850 1570 12.2 -1.8 38 14.0 5.4 205 11 298.9 299.6 285.6 310.8 3.94 4 700 3169 4.0 -14.0 26 18.0 -2.7 225 13 306.9 307.3 286.4 312.8 1.85 5 500 5830 -11.5 -33.5 14 22.0 -16.0 240 23 319.0 319.1 288.9 320.6 0.45 6 400 7500 -21.7 -40.7 16 19.0 -24.4 230 27 326.8 326.8 291.1 327.8 0.27 7 300 9550 -38.5 -41.7 72 3.2 -38.8 230 35 331.1 331.2 292.3 332.4 0.33 8 250 10780 -48.7 -52.0 68 3.3 -48.8 235 38 333.7 333.7 292.9 334.2 0.13 9 200 12200 -60.5 -66.5 45 6.0 -60.6 240 44 337.0 337.0 293.6 337.1 0.02 10 195 12358 -61.5 -67.5 45 6.0 -61.6 240 44 337.8 337.8 293.8 337.9 0.02 11 150 13990 -61.1 -79.1 8 18.0 -61.3 240 25 364.8 364.8 299.6 364.8 0.01 12 100 16470 -65.9 -93.9 1 28.0 -66.0 245 21 400.4 400.4 305.3 400.4 0.00 TRP 195 12358 -61.5 -67.5 45 6.0 -61.6 240 44 337.8 337.8 293.8 337.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5623.00 m Freezing level: 648.39 mb = 3855.71 m = 12649.81 ft Wetbulb zero: 750.36 mb = 2596.90 m = 8519.90 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 34.51 % Est. max temperature: 25.24 C = 77.44 F Sfc-Lift cond lev (LCL): 872.26 mb = 1353.21 m = 4439.62 ft T: 11.65 C 700-500 lapse rate: 5.82 C/km ThetaE index: 1.29 C Layer 925.0- 850.0 mb Conv cond level (CCL): 690.23 mb = 3280.11 m = 10761.38 ft Mean mixing ratio: 7.08 g/kg Conv temperature: 35.42 C = 95.75 F Cap Strength: 8.55 C Lifted Index: 11.33 C Risk: None Lifted Index @300 mb: 15.77 C Lifted Index @700 mb: 8.55 C Showalter Index: 10.34 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 9.70 C K Index: 3.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.75 J/kg Max Up Vert Vel: 3.39 m/s Conv Inhibition (B-): 11300.50 J/kg Cap Strength: 11.15 C Lift Cond Lev (LCL): 896.95 mb = 1119.22 m = 3671.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 11 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 103 165 1 -0.3 1.0 | 80 11 -10.5 -1.8 1 1000 207 190 1 0.2 1.0 | 80 10 -10.0 -1.8 2 925 861 160 9 -3.1 8.5 | 113 14 -13.3 5.7 3 850 1570 205 11 4.6 10.0 | 142 9 -5.5 7.2 4 700 3169 225 13 9.2 9.2 | 171 7 -1.0 6.4 5 500 5830 240 23 19.9 11.5 | 228 13 9.7 8.7 6 400 7500 230 27 20.7 17.4 | 216 18 10.5 14.6 7 300 9550 230 35 26.8 22.5 | 220 26 16.6 19.7 8 250 10780 235 38 31.1 21.8 | 228 28 20.9 19.0 9 200 12200 240 44 38.1 22.0 | 235 34 27.9 19.2 10 195 12358 240 44 38.1 22.0 | 235 34 27.9 19.2 11 150 13990 240 25 21.7 12.5 | 230 15 11.5 9.7 12 100 16470 245 21 19.0 8.9 | 235 11 8.8 6.1 Wind Parameters Mean winds (0-6000m): 224.8 at 14.1 knts Storm direction: 254.8 at 10.6 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 89.4 deg Storm rel helicity (0-3000m) pos: 45.1 neg: -0.1 tot: 45.0 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 20.43 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 ------------------------------------------------------------------------------- 500 175 3 91 10| 5.0 0.0 5.0| 12.6 -0.1 12.4 24.9 0.84| 5.6 4.7 1000 165 6 103 12| 4.5 0.0 4.5| 26.0 -0.1 25.9 25.9 0.76| 5.7 4.3 1500 179 7 113 11| 3.5 0.0 3.5| 37.7 -0.1 37.6 25.1 0.74| 5.7 4.2 2000 189 8 121 10| 2.8 0.0 2.8| 40.3 -0.1 40.2 20.1 0.75| 4.6 3.5 2500 196 9 127 10| 2.4 0.0 2.4| 42.8 -0.1 42.6 17.1 0.75| 4.0 3.0 3000 202 10 133 9| 2.1 0.0 2.1| 45.1 -0.1 45.0 15.0 0.76| 3.6 2.7 4000 211 11 145 8| 2.1 0.0 2.1| 51.9 -0.1 51.7 12.9 0.78| 3.2 2.5 5000 219 12 160 7| 2.1 0.0 2.1| 59.9 -0.1 59.8 12.0 0.78| 3.0 2.3 6000 225 14 178 7| 1.9 0.1 2.0| 66.6 -1.7 64.9 10.8 0.74| 2.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251007.12.gif