UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 11 DEC 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1016 61 9.4 9.1 98 0.3 9.2 150 5 281.3 282.5 281.7 300.8 7.15 1 1000 179 8.8 8.8 100 0.0 8.8 140 7 282.0 283.2 282.0 301.5 7.12 2 925 826 9.6 5.1 73 4.5 7.2 205 19 289.1 290.2 283.8 306.1 5.96 3 850 1523 5.2 1.2 75 4.0 3.2 215 29 291.6 292.5 283.7 305.8 4.91 4 700 3088 -2.5 -8.5 63 6.0 -4.8 230 36 299.7 300.2 284.8 308.5 2.87 5 500 5670 -18.7 -22.5 72 3.8 -19.6 215 42 310.2 310.5 286.9 314.4 1.26 6 400 7300 -28.7 -32.5 70 3.8 -29.3 200 42 317.7 317.8 288.7 319.9 0.62 7 300 9290 -45.9 -49.7 65 3.8 -46.1 205 48 320.7 320.7 289.1 321.2 0.14 8 250 10480 -55.9 -59.7 62 3.8 -56.0 205 58 323.0 323.0 289.7 323.2 0.05 9 248 10531 -56.3 -60.4 60 4.1 -56.4 205 58 323.1 323.1 289.8 323.3 0.05 10 200 11900 -55.7 -75.7 7 20.0 -55.9 225 23 344.6 344.6 295.4 344.6 0.01 11 150 13730 -57.7 -87.7 1 30.0 -58.0 235 23 370.7 370.7 300.7 370.7 0.00 12 100 16260 -62.3 -91.3 1 29.0 -62.5 220 19 407.4 407.4 306.2 407.4 0.00 TRP 248 10531 -56.3 -60.4 60 4.1 -56.4 205 58 323.1 323.1 289.8 323.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5491.00 m Freezing level: 748.70 mb = 2579.88 m = 8464.08 ft Wetbulb zero: 789.85 mb = 2114.58 m = 6937.52 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 71.72 % Est. max temperature: 19.23 C = 66.61 F Sfc-Lift cond lev (LCL): 1011.42 mb = 94.60 m = 310.36 ft T: 9.23 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.27 C Layer 850.0- 700.0 mb Conv cond level (CCL): 851.46 mb = 1508.81 m = 4950.09 ft Mean mixing ratio: 6.57 g/kg Conv temperature: 19.72 C = 67.50 F Cap Strength: 4.92 C Lifted Index: 7.76 C Risk: None Lifted Index @300 mb: 12.21 C Lifted Index @700 mb: 4.92 C Showalter Index: 6.30 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 19.90 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 114.40 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.74 J/kg Max Up Vert Vel: 6.28 m/s Conv Inhibition (B-): 11891.49 J/kg Cap Strength: 7.69 C Lift Cond Lev (LCL): 934.15 mb = 744.35 m = 2442.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 24 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 1016 61 150 5 -2.5 4.3 | 80 26 -25.3 -4.3 1 1000 179 140 7 -4.5 5.4 | 83 27 -27.3 -3.3 2 925 826 205 19 8.0 17.2 | 120 17 -14.8 8.6 3 850 1523 215 29 16.6 23.8 | 158 16 -6.2 15.1 4 700 3088 230 36 27.6 23.1 | 198 15 4.8 14.5 5 500 5670 215 42 24.1 34.4 | 183 26 1.3 25.8 6 400 7300 200 42 14.4 39.5 | 165 32 -8.4 30.8 7 300 9290 205 48 20.3 43.5 | 176 35 -2.5 34.9 8 250 10480 205 58 24.5 52.6 | 182 44 1.7 43.9 9 248 10531 205 58 24.5 52.6 | 182 44 1.7 43.9 10 200 11900 225 23 16.3 16.3 | 139 10 -6.5 7.6 11 150 13730 235 23 18.8 13.2 | 139 6 -3.9 4.6 12 100 16260 220 19 12.2 14.6 | 119 12 -10.6 5.9 Wind Parameters Mean winds (0-6000m): 219.3 at 32.5 knts Storm direction: 249.3 at 24.4 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 117.2 deg Storm rel helicity (0-3000m) pos: 196.5 neg: 0.0 tot: 196.5 m^2/s^2 ave: 65.5 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 6.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.18 Bulk Shear: 107.55 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 ------------------------------------------------------------------------------- 500 162 9 91 26| 10.3 0.0 10.3| 72.3 0.0 72.3 144.7 0.87| 12.4 10.7 1000 193 14 104 20| 10.4 0.0 10.4|121.5 0.0 121.5 121.5 0.81| 12.7 10.3 1500 203 18 116 18| 9.4 0.0 9.4|153.6 0.0 153.6 102.4 0.86| 11.0 9.5 2000 209 21 127 16| 7.7 0.0 7.7|167.5 0.0 167.5 83.8 0.87| 9.1 7.9 2500 213 23 137 15| 6.7 0.0 6.7|181.7 0.0 181.7 72.7 0.88| 8.0 7.1 3000 217 25 146 14| 6.1 0.0 6.1|196.5 0.0 196.5 65.5 0.89| 7.3 6.5 4000 220 28 160 14| 4.5 0.5 5.1|196.7 -8.1 188.7 47.2 0.77| 6.1 4.7 5000 220 31 168 15| 3.6 0.9 4.5|196.7 -20.0 176.7 35.3 0.66| 5.3 3.5 6000 219 32 172 17| 3.0 1.2 4.2|196.7 -44.7 152.1 25.3 0.54| 4.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251211.12.gif