UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113000.upa.cvt Date: 0000Z 30 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 30 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 1007 61 8.0 7.7 98 0.3 7.8 350 9 280.6 281.7 280.7 298.5 6.55 1 1000 109 8.0 7.0 93 1.0 7.5 350 9 281.1 282.2 280.6 298.4 6.29 2 925 749 5.2 4.6 96 0.6 4.9 315 17 284.6 285.6 281.6 300.7 5.75 3 850 1435 0.4 -0.5 94 0.9 0.0 285 17 286.6 287.3 280.8 298.9 4.34 4 700 2974 -7.3 -8.5 91 1.2 -7.7 290 21 294.4 294.9 282.6 303.0 2.87 5 500 5520 -22.9 -25.1 82 2.2 -23.3 215 31 305.1 305.3 284.7 308.4 1.00 6 400 7120 -35.9 -38.7 75 2.8 -36.1 215 40 308.3 308.4 285.1 309.5 0.34 7 300 9040 -52.9 -57.1 60 4.2 -53.0 230 60 310.8 310.8 285.7 311.0 0.06 8 292 9214 -53.7 -58.1 58 4.5 -53.8 235 64 312.1 312.1 286.1 312.3 0.05 9 250 10200 -58.1 -64.1 46 6.0 -58.2 230 50 319.7 319.7 288.7 319.8 0.03 10 248 10250 -58.3 -64.3 46 6.0 -58.4 235 52 320.1 320.1 288.8 320.2 0.03 11 200 11610 -55.3 -64.3 32 9.0 -55.5 255 31 345.2 345.2 295.6 345.3 0.03 12 150 13440 -56.5 -68.5 21 12.0 -56.8 280 35 372.7 372.7 301.1 372.8 0.03 TRP 248 10250 -58.3 -64.3 46 6.0 -58.4 235 52 320.1 320.1 288.8 320.2 0.03 WND 292 9214 -53.7 -58.1 58 4.5 -53.8 235 64 312.1 312.1 286.1 312.3 0.05 Sounding variables and indices 1000-500 mb thick: 5411.00 m Freezing level: 842.21 mb = 1514.95 m = 4970.24 ft Wetbulb zero: 849.62 mb = 1438.56 m = 4719.64 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 90.19 % Est. max temperature: 13.80 C = 56.84 F Sfc-Lift cond lev (LCL): 1002.41 mb = 92.46 m = 303.33 ft T: 8.00 C 700-500 lapse rate: 6.13 C/km ThetaE index: 1.79 C Layer 850.0- 700.0 mb Conv cond level (CCL): 922.95 mb = 767.01 m = 2516.40 ft Mean mixing ratio: 5.96 g/kg Conv temperature: 12.09 C = 53.77 F Cap Strength: 2.35 C Lifted Index: 6.32 C Risk: None Lifted Index @300 mb: 7.99 C Lifted Index @700 mb: 2.35 C Showalter Index: 6.85 C Risk: None Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.40 C K Index: 21.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 65.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.37 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 6025.39 J/kg Cap Strength: 6.17 C Lift Cond Lev (LCL): 944.73 mb = 575.73 m = 1888.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 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 1007 61 350 9 1.6 -8.9 | 78 15 -14.2 -3.1 1 1000 109 350 9 1.6 -8.9 | 78 15 -14.2 -3.1 2 925 749 315 17 12.0 -12.0 | 31 7 -3.7 -6.2 3 850 1435 285 17 16.4 -4.4 | 206 2 0.7 1.4 4 700 2974 290 21 19.7 -7.2 | 289 4 4.0 -1.4 5 500 5520 215 31 17.8 25.4 | 184 31 2.0 31.2 6 400 7120 215 40 22.9 32.8 | 191 39 7.2 38.5 7 300 9040 230 60 46.0 38.6 | 214 54 30.2 44.3 8 292 9214 235 64 52.4 36.7 | 221 56 36.7 42.5 9 250 10200 230 50 38.3 32.1 | 211 44 22.6 37.9 10 248 10250 235 52 42.6 29.8 | 217 45 26.8 35.6 11 200 11610 255 31 29.9 8.0 | 226 20 14.2 13.8 12 150 13440 280 35 34.5 -6.1 | 271 19 18.7 -0.3 Wind Parameters Mean winds (0-6000m): 260.2 at 22.4 knts Storm direction: 290.2 at 16.8 knts Shear (0-3000m) pos: 0.5 neg: 2.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -160.1 deg Storm rel helicity (0-3000m) pos: 1.8 neg: -27.7 tot: -25.9 m^2/s^2 ave: -8.6 10^-3 m/s^2 rel: -0.38 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 67.10 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 ------------------------------------------------------------------------------- 500 336 12 67 12| 0.0 7.7 7.7| 0.0 -19.1 -19.1 -38.1 -0.77| 7.9 -6.1 1000 321 14 54 9| 0.0 6.7 6.7| 0.0 -26.3 -26.3 -26.3 -0.62| 7.9 -4.9 1500 310 15 48 6| 0.0 5.4 5.4| 0.1 -26.7 -26.6 -17.7 -0.56| 7.2 -4.0 2000 303 16 43 4| 0.4 4.0 4.4| 0.7 -26.7 -26.0 -13.0 -0.47| 5.7 -2.7 2500 299 16 32 3| 0.6 3.2 3.8| 1.3 -26.7 -25.4 -10.2 -0.40| 4.9 -2.0 3000 297 17 13 2| 0.5 2.9 3.4| 1.8 -27.7 -25.9 -8.6 -0.38| 4.4 -1.7 4000 289 19 280 2| 0.4 3.4 3.7| 1.8 -46.5 -44.7 -11.2 -0.47| 4.9 -2.3 5000 276 20 231 6| 0.3 3.6 3.9| 1.8 -93.2 -91.4 -18.3 -0.50| 5.5 -2.7 6000 260 22 213 11| 0.2 3.6 3.8| 13.9-129.9-116.0 -19.3 -0.48| 5.4 -2.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251130.00.gif