UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081100.upa.cvt Date: 0000Z 11 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 11 AUG 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 17.2 12.2 72 5.0 14.2 85 13 289.4 291.0 286.9 314.4 8.86 1 1000 189 18.0 15.5 85 2.5 16.4 85 19 291.1 293.1 289.5 322.6 11.14 2 925 865 21.0 -3.0 20 24.0 9.2 110 13 300.8 301.4 285.7 310.9 3.31 3 850 1593 19.4 -1.6 24 21.0 8.5 150 9 306.5 307.2 288.3 318.9 4.00 4 700 3235 9.4 3.4 66 6.0 5.9 245 21 312.9 314.2 293.0 334.7 7.00 5 500 5910 -11.7 -12.4 95 0.7 -12.0 225 21 318.8 319.3 291.3 328.5 2.95 6 400 7590 -20.7 -37.7 20 17.0 -23.5 235 25 328.1 328.2 291.6 329.5 0.37 7 300 9650 -37.5 -52.5 19 15.0 -38.4 225 23 332.5 332.5 292.5 332.9 0.10 8 250 10880 -46.3 -59.3 22 13.0 -46.7 240 36 337.2 337.2 293.7 337.4 0.05 9 200 12350 -50.3 -73.3 5 23.0 -50.8 225 40 353.1 353.1 297.3 353.2 0.01 10 150 14190 -57.7 -85.7 2 28.0 -58.0 255 35 370.7 370.7 300.7 370.7 0.00 11 127 15230 -62.3 -89.3 2 27.0 -62.5 235 29 380.4 380.4 302.3 380.4 0.00 12 100 16710 -61.5 -89.5 1 28.0 -61.7 265 21 408.9 408.9 306.4 408.9 0.00 TRP 127 15230 -62.3 -89.3 2 27.0 -62.5 235 29 380.4 380.4 302.3 380.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5721.00 m Freezing level: 610.90 mb = 4426.71 m = 14523.14 ft Wetbulb zero: 633.77 mb = 4025.24 m = 13206.01 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 60.49 % Est. max temperature: 33.41 C = 92.13 F Sfc-Lift cond lev (LCL): 938.43 mb = 740.04 m = 2427.92 ft T: 20.45 C 700-500 lapse rate: 7.89 C/km ThetaE index: 11.73 C Layer 925.0- 850.0 mb Conv cond level (CCL): 617.38 mb = 4233.46 m = 13889.15 ft Mean mixing ratio: 6.95 g/kg Conv temperature: 43.14 C = 109.65 F Cap Strength: 11.36 C Lifted Index: 6.74 C Risk: None Lifted Index @300 mb: 11.82 C Lifted Index @700 mb: 10.49 C Showalter Index: 5.33 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 31.10 C Cross Totals Index: 10.10 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 39.00 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.33 J/kg Max Up Vert Vel: 6.68 m/s Conv Inhibition (B-): 10867.17 J/kg Cap Strength: 11.36 C Lift Cond Lev (LCL): 806.35 mb = 2038.83 m = 6688.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 13 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 85 13 -13.0 -1.1 | 77 26 -25.3 -5.8 1 1000 189 85 19 -18.9 -1.7 | 79 32 -31.3 -6.3 2 925 865 110 13 -12.2 4.4 | 89 25 -24.6 -0.2 3 850 1593 150 9 -4.5 7.8 | 100 17 -16.9 3.1 4 700 3235 245 21 19.0 8.9 | 238 8 6.7 4.2 5 500 5910 225 21 14.8 14.8 | 194 10 2.5 10.2 6 400 7590 235 25 20.5 14.3 | 220 13 8.1 9.7 7 300 9650 225 23 16.3 16.3 | 199 12 3.9 11.6 8 250 10880 240 36 31.2 18.0 | 235 23 18.8 13.3 9 200 12350 225 40 28.3 28.3 | 214 28 15.9 23.6 10 150 14190 255 35 33.8 9.1 | 258 22 21.4 4.4 11 127 15230 235 29 23.8 16.6 | 224 17 11.4 12.0 12 100 16710 265 21 20.9 1.8 | 288 9 8.6 -2.9 Wind Parameters Mean winds (0-6000m): 219.3 at 17.6 knts Storm direction: 249.3 at 13.2 knts Shear (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 139.3 deg Storm rel helicity (0-3000m) pos: 143.2 neg: 0.0 tot: 143.2 m^2/s^2 ave: 47.7 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 128.50 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 91 17 81 30| 4.5 0.0 4.5| 35.9 0.0 35.9 71.8 0.40| 11.9 4.7 1000 98 15 85 27| 4.2 0.0 4.2| 59.5 0.0 59.5 59.5 0.46| 9.2 4.2 1500 106 14 88 25| 4.3 0.0 4.3| 71.5 0.0 71.5 47.6 0.44| 8.1 3.6 2000 118 13 93 24| 4.9 0.0 4.9| 97.8 0.0 97.8 48.9 0.55| 7.8 4.3 2500 135 13 102 22| 5.3 0.0 5.3|121.9 0.0 121.9 48.8 0.62| 7.9 4.9 3000 156 14 114 20| 5.5 0.0 5.5|143.2 0.0 143.2 47.7 0.68| 8.3 5.7 4000 199 16 145 12| 4.3 0.2 4.5|148.7 -4.6 144.1 36.0 0.63| 6.8 4.3 5000 215 17 163 10| 3.4 0.4 3.9|148.7 -10.5 138.2 27.6 0.56| 5.8 3.2 6000 219 18 172 9| 2.9 0.5 3.4|150.3 -15.6 134.8 22.5 0.51| 5.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250811.00.gif