UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 29 NOV 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 1009 61 12.6 3.6 54 9.0 8.1 175 5 285.0 285.9 280.8 298.8 4.91 1 1000 122 11.0 3.0 58 8.0 7.1 185 5 284.1 285.0 280.2 297.5 4.74 2 925 769 7.6 5.3 85 2.3 6.4 205 19 287.1 288.1 283.0 304.1 6.04 3 850 1465 6.0 2.5 78 3.5 4.2 250 19 292.4 293.4 284.6 308.0 5.39 4 700 3026 -4.3 -8.8 71 4.5 -6.0 250 25 297.7 298.2 283.9 306.2 2.81 5 500 5600 -20.9 -38.9 18 18.0 -23.2 250 27 307.6 307.6 284.8 308.5 0.26 6 400 7200 -32.7 -54.7 9 22.0 -34.0 245 27 312.5 312.5 286.3 312.7 0.06 7 300 9150 -50.3 -60.3 30 10.0 -50.5 250 35 314.5 314.5 286.9 314.6 0.04 8 250 10320 -59.5 -67.5 35 8.0 -59.6 260 48 317.6 317.6 288.0 317.7 0.02 9 229 10865 -63.3 -71.3 33 8.0 -63.4 255 44 319.9 319.9 288.7 319.9 0.01 10 200 11700 -62.1 -75.1 16 13.0 -62.2 250 62 334.4 334.4 292.9 334.4 0.01 11 198 11763 -62.0 -75.6 15 13.6 -62.1 250 62 335.5 335.5 293.2 335.6 0.01 12 150 13500 -59.5 -89.5 1 30.0 -59.7 245 42 367.6 367.6 300.1 367.6 0.00 13 100 16020 -62.5 -91.5 1 29.0 -62.7 250 35 407.0 407.0 306.1 407.0 0.00 TRP 229 10865 -63.3 -71.3 33 8.0 -63.4 255 44 319.9 319.9 288.7 319.9 0.01 WND 198 11763 -62.0 -75.6 15 13.6 -62.1 250 62 335.5 335.5 293.2 335.6 0.01 Sounding variables and indices 1000-500 mb thick: 5478.00 m Freezing level: 762.62 mb = 2374.32 m = 7789.67 ft Wetbulb zero: 788.00 mb = 2073.97 m = 6804.27 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 60.45 % Est. max temperature: 19.36 C = 66.85 F Sfc-Lift cond lev (LCL): 880.49 mb = 1174.90 m = 3854.61 ft T: 6.67 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.79 C Layer 700.0- 500.0 mb Conv cond level (CCL): 779.39 mb = 2162.21 m = 7093.79 ft Mean mixing ratio: 5.44 g/kg Conv temperature: 22.44 C = 72.39 F Cap Strength: 4.90 C Lifted Index: 7.26 C Risk: None Lifted Index @300 mb: 9.50 C Lifted Index @700 mb: 4.47 C Showalter Index: 2.63 C Risk: Showers probable Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.40 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 121.00 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.55 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 10308.04 J/kg Cap Strength: 7.02 C Lift Cond Lev (LCL): 888.91 mb = 1096.59 m = 3597.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 17 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 1009 61 175 5 -0.4 5.0 | 111 19 -17.3 6.6 1 1000 122 185 5 0.4 5.0 | 112 18 -16.4 6.6 2 925 769 205 19 8.0 17.2 | 155 21 -8.8 18.8 3 850 1465 250 19 17.9 6.5 | 187 8 1.0 8.1 4 700 3026 250 25 23.5 8.6 | 213 12 6.6 10.2 5 500 5600 250 27 25.4 9.2 | 218 14 8.5 10.8 6 400 7200 245 27 24.5 11.4 | 210 15 7.6 13.0 7 300 9150 250 35 32.9 12.0 | 230 21 16.0 13.6 8 250 10320 260 48 47.3 8.3 | 252 32 30.4 9.9 9 229 10865 255 44 42.5 11.4 | 243 29 25.6 13.0 10 200 11700 250 62 58.3 21.2 | 241 47 41.4 22.8 11 198 11763 250 62 58.3 21.2 | 241 47 41.4 22.8 12 150 13500 245 42 38.1 17.7 | 228 29 21.2 19.4 13 100 16020 250 35 32.9 12.0 | 230 21 16.0 13.6 Wind Parameters Mean winds (0-6000m): 245.4 at 22.6 knts Storm direction: 275.4 at 17.0 knts Shear (0-3000m) pos: 3.2 neg: 1.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 102.4 deg Storm rel helicity (0-3000m) pos: 116.9 neg: 0.0 tot: 116.9 m^2/s^2 ave: 39.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 44.74 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 ------------------------------------------------------------------------------- 500 194 9 125 18| 10.4 0.0 10.4| 48.9 0.0 48.9 97.9 0.97| 10.6 10.2 1000 206 13 141 18| 8.3 0.0 8.3| 92.0 0.0 92.0 92.0 0.86| 11.0 9.4 1500 219 15 152 15| 6.4 0.0 6.4|106.0 0.0 106.0 70.7 0.76| 10.4 7.8 2000 229 17 161 13| 4.8 0.5 5.3|109.7 0.0 109.7 54.9 0.76| 8.3 6.3 2500 235 18 168 12| 3.8 0.8 4.6|113.4 0.0 113.4 45.4 0.76| 7.0 5.3 3000 238 19 176 12| 3.2 1.0 4.2|116.9 0.0 116.9 39.0 0.75| 6.2 4.6 4000 242 20 186 11| 2.4 0.8 3.2|118.4 0.0 118.4 29.6 0.75| 4.7 3.5 5000 244 22 193 11| 1.9 0.7 2.7|119.9 0.0 119.9 24.0 0.74| 3.9 2.9 6000 245 23 198 12| 1.6 0.7 2.3|120.7 -2.1 118.6 19.8 0.71| 3.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251129.12.gif