UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 5 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 1009 61 9.0 7.4 90 1.6 8.2 150 3 281.4 282.5 280.9 299.0 6.40 1 1000 126 7.4 6.7 95 0.7 7.1 170 5 280.5 281.6 280.2 297.4 6.16 2 925 768 5.2 3.5 89 1.7 4.4 235 9 284.6 285.5 281.1 299.5 5.32 3 850 1452 -0.3 -4.1 75 3.8 -1.9 275 15 285.8 286.4 279.3 295.3 3.32 4 700 2988 -7.3 -7.3 100 0.0 -7.3 310 33 294.4 295.0 282.9 303.8 3.15 5 500 5570 -17.3 -21.5 70 4.2 -18.4 330 52 311.9 312.2 287.6 316.5 1.37 6 400 7200 -29.7 -31.6 83 1.9 -30.0 310 58 316.4 316.5 288.3 318.8 0.68 7 300 9190 -43.9 -50.9 46 7.0 -44.2 320 87 323.5 323.5 289.9 323.9 0.12 8 250 10390 -52.9 -59.9 42 7.0 -53.1 320 97 327.4 327.4 291.0 327.6 0.05 9 241 10626 -54.4 -61.5 41 7.2 -54.5 320 99 328.6 328.7 291.4 328.8 0.04 10 200 11800 -61.9 -69.9 34 8.0 -62.0 310 95 334.7 334.7 293.0 334.8 0.02 11 150 13530 -70.3 -78.3 30 8.0 -70.4 310 48 349.0 349.0 296.4 349.0 0.01 TRP WND 241 10626 -54.4 -61.5 41 7.2 -54.5 320 99 328.6 328.7 291.4 328.8 0.04 Sounding variables and indices 1000-500 mb thick: 5444.00 m Freezing level: 854.09 mb = 1414.69 m = 4641.32 ft Wetbulb zero: 872.40 mb = 1241.56 m = 4073.32 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 86.23 % Est. max temperature: 13.27 C = 55.89 F Sfc-Lift cond lev (LCL): 984.73 mb = 252.74 m = 829.18 ft T: 6.97 C 700-500 lapse rate: 3.87 C/km ThetaE index: 4.18 C Layer 850.0- 700.0 mb Conv cond level (CCL): 910.64 mb = 894.52 m = 2934.76 ft Mean mixing ratio: 5.67 g/kg Conv temperature: 12.44 C = 54.39 F Cap Strength: 2.99 C Lifted Index: 12.68 C Risk: None Lifted Index @300 mb: 17.78 C Lifted Index @700 mb: 2.99 C Showalter Index: 14.97 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 13.20 C K Index: 12.90 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.54 J/kg Max Up Vert Vel: 5.57 m/s Conv Inhibition (B-): 7021.33 J/kg Cap Strength: 12.10 C Lift Cond Lev (LCL): 938.99 mb = 644.41 m = 2114.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 at 23 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 61 150 3 -1.5 2.6 | 163 26 -7.6 25.2 1 1000 126 170 5 -0.9 4.9 | 166 28 -6.9 27.5 2 925 768 235 9 7.4 5.2 | 183 28 1.3 27.8 3 850 1452 275 15 14.9 -1.3 | 203 23 8.9 21.3 4 700 2988 310 33 25.3 -21.2 | 266 19 19.2 1.4 5 500 5570 330 52 26.0 -45.0 | 318 30 19.9 -22.4 6 400 7200 310 58 44.4 -37.3 | 291 41 38.4 -14.7 7 300 9190 320 87 55.9 -66.6 | 311 67 49.9 -44.0 8 250 10390 320 97 62.4 -74.3 | 313 76 56.3 -51.7 9 241 10626 320 99 63.6 -75.8 | 313 78 57.6 -53.2 10 200 11800 310 95 72.8 -61.1 | 300 77 66.7 -38.5 11 150 13530 310 48 36.8 -30.9 | 285 32 30.7 -8.3 Wind Parameters Mean winds (0-6000m): 315.0 at 31.2 knts Storm direction: 345.0 at 23.4 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 265.7 neg: 0.0 tot: 265.7 m^2/s^2 ave: 88.6 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 7.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.10 Bulk Shear: 159.41 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 6 171 29| 7.1 0.0 7.1| 50.4 0.0 50.4 100.7 0.84| 8.2 6.8 1000 224 8 179 28| 6.5 0.0 6.5|101.0 0.0 101.0 101.0 0.89| 7.8 7.0 1500 248 10 186 26| 6.3 0.0 6.3|144.0 0.0 144.0 96.0 0.88| 7.9 6.9 2000 264 12 194 25| 6.3 0.0 6.3|184.2 0.0 184.2 92.1 0.90| 7.7 6.9 2500 277 15 202 23| 6.3 0.0 6.3|225.6 0.0 225.6 90.2 0.92| 7.8 7.1 3000 288 17 212 20| 6.2 0.0 6.2|265.7 0.0 265.7 88.6 0.93| 7.8 7.3 4000 300 22 229 17| 5.6 0.0 5.6|311.7 0.0 311.7 77.9 0.93| 7.0 6.5 5000 309 27 249 16| 5.3 0.0 5.3|366.2 0.0 366.2 73.2 0.92| 6.6 6.1 6000 315 31 268 16| 4.7 0.5 5.2|397.7 -41.1 356.6 59.4 0.78| 6.4 5.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251205.12.gif