UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 18 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 1007 103 12.8 5.8 62 7.0 9.1 150 11 285.4 286.4 282.0 301.5 5.74 1 1000 150 12.4 7.5 72 4.9 9.7 155 11 285.5 286.7 282.9 303.7 6.51 2 925 802 13.2 -7.8 22 21.0 4.4 190 17 292.8 293.2 281.2 299.7 2.29 3 850 1509 10.8 -14.2 16 25.0 1.5 185 15 297.5 297.7 282.3 302.1 1.50 4 700 3097 1.4 -5.6 60 7.0 -1.7 220 17 304.0 304.7 287.1 315.1 3.60 5 500 5720 -13.3 -13.6 98 0.3 -13.4 235 29 316.8 317.3 290.5 325.6 2.68 6 400 7390 -23.9 -25.3 88 1.4 -24.2 250 29 323.9 324.2 291.2 328.2 1.22 7 300 9420 -40.1 -43.4 71 3.3 -40.4 275 29 328.8 328.9 291.7 329.9 0.27 8 250 10640 -51.1 -57.1 49 6.0 -51.3 295 36 330.1 330.1 291.8 330.4 0.07 9 207 11837 -61.1 -66.0 52 4.9 -61.2 295 42 332.7 332.7 292.5 332.8 0.03 10 200 12050 -60.5 -66.5 45 6.0 -60.6 290 44 337.0 337.0 293.6 337.1 0.02 11 150 13830 -63.9 -79.9 10 16.0 -64.0 305 36 360.0 360.0 298.7 360.0 0.00 12 100 16310 -64.3 -92.3 1 28.0 -64.5 320 19 403.5 403.5 305.7 403.5 0.00 TRP 207 11837 -61.1 -66.0 52 4.9 -61.2 295 42 332.7 332.7 292.5 332.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5570.00 m Freezing level: 680.95 mb = 3346.81 m = 10980.21 ft Wetbulb zero: 778.17 mb = 2231.13 m = 7319.88 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 56.45 % Est. max temperature: 24.45 C = 76.01 F Sfc-Lift cond lev (LCL): 905.94 mb = 976.07 m = 3202.30 ft T: 12.61 C 700-500 lapse rate: 5.60 C/km ThetaE index: 4.04 C Layer 925.0- 850.0 mb Conv cond level (CCL): 588.48 mb = 4449.87 m = 14599.14 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 38.15 C = 100.67 F Cap Strength: 9.93 C Lifted Index: 14.57 C Risk: None Lifted Index @300 mb: 19.47 C Lifted Index @700 mb: 9.93 C Showalter Index: 14.16 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: -0.90 C K Index: 2.90 Risk: None Sweat Index: 179.76 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.57 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 13998.76 J/kg Cap Strength: 14.56 C Lift Cond Lev (LCL): 790.55 mb = 2101.99 m = 6896.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 at 15 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 1007 103 150 11 -5.5 9.5 | 101 19 -19.1 3.8 1 1000 150 155 11 -4.6 10.0 | 103 19 -18.3 4.2 2 925 802 190 17 3.0 16.7 | 136 15 -10.7 11.0 3 850 1509 185 15 1.3 14.9 | 127 15 -12.3 9.2 4 700 3097 220 17 10.9 13.0 | 160 8 -2.7 7.3 5 500 5720 235 29 23.8 16.6 | 223 15 10.1 10.9 6 400 7390 250 29 27.3 9.9 | 253 14 13.6 4.2 7 300 9420 275 29 28.9 -2.5 | 298 17 15.3 -8.3 8 250 10640 295 36 32.6 -15.2 | 318 28 19.0 -21.0 9 207 11837 295 42 38.1 -17.7 | 314 34 24.4 -23.5 10 200 12050 290 44 41.3 -15.0 | 307 35 27.7 -20.8 11 150 13830 305 36 29.5 -20.6 | 329 31 15.9 -26.4 12 100 16310 320 19 12.2 -14.6 | 4 20 -1.4 -20.3 Wind Parameters Mean winds (0-6000m): 217.1 at 19.7 knts Storm direction: 247.1 at 14.8 knts Shear (0-3000m) pos: 3.0 neg: 0.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 58.7 deg Storm rel helicity (0-3000m) pos: 67.9 neg: -9.8 tot: 58.1 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.66 Bulk Shear: 29.84 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 ------------------------------------------------------------------------------- 500 167 13 112 18| 8.0 0.0 8.0| 34.5 0.0 34.5 68.9 0.93| 8.0 7.5 1000 180 15 123 16| 5.2 0.0 5.2| 48.1 -4.2 43.8 43.8 0.76| 6.4 4.8 1500 182 15 125 16| 3.5 0.4 3.8| 49.6 -9.8 39.8 26.5 0.59| 4.9 2.9 2000 185 15 127 15| 3.2 0.3 3.5| 56.9 -9.8 47.1 23.6 0.60| 4.5 2.7 2500 189 15 130 15| 3.1 0.2 3.3| 63.0 -9.8 53.2 21.3 0.61| 4.2 2.6 3000 194 15 133 14| 3.0 0.2 3.2| 67.9 -9.8 58.1 19.4 0.61| 4.1 2.5 4000 202 16 142 12| 2.9 0.1 3.0| 78.3 -9.8 68.5 17.1 0.67| 3.7 2.5 5000 210 18 155 11| 2.8 0.1 2.9| 90.2 -9.8 80.4 16.1 0.69| 3.5 2.4 6000 217 20 170 10| 2.7 0.1 2.8|105.5 -9.8 95.7 15.9 0.70| 3.3 2.3 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251018.12.gif