UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 20 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 1014 61 9.8 9.4 97 0.4 9.6 40 7 281.8 283.1 282.1 301.9 7.31 1 1000 160 9.0 8.7 98 0.3 8.8 50 9 282.1 283.4 282.0 301.6 7.07 2 925 805 6.8 6.8 100 0.0 6.8 225 7 286.3 287.4 283.4 305.0 6.71 3 850 1496 3.0 2.7 98 0.3 2.8 205 15 289.3 290.3 283.4 304.9 5.47 4 700 3044 -6.1 -6.6 96 0.5 -6.3 215 15 295.7 296.3 283.7 305.7 3.33 5 500 5600 -20.9 -22.1 90 1.2 -21.2 195 29 307.6 307.8 285.9 311.8 1.30 6 400 7210 -32.3 -34.5 81 2.2 -32.6 220 38 313.0 313.1 287.0 314.8 0.51 7 300 9180 -48.1 -50.7 74 2.6 -48.2 200 40 317.6 317.6 288.1 318.0 0.12 8 250 10360 -55.1 -63.1 36 8.0 -55.2 215 46 324.1 324.2 290.0 324.3 0.03 9 208 11508 -62.3 -67.0 53 4.7 -62.4 210 35 330.4 330.4 291.9 330.5 0.02 10 200 11750 -59.9 -66.9 40 7.0 -60.0 200 31 337.9 337.9 293.8 338.0 0.02 11 150 13580 -55.7 -66.7 24 11.0 -55.9 240 19 374.1 374.1 301.3 374.3 0.03 12 100 16140 -58.9 -84.9 2 26.0 -59.2 320 27 413.9 413.9 307.0 413.9 0.00 TRP 208 11508 -62.3 -67.0 53 4.7 -62.4 210 35 330.4 330.4 291.9 330.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5440.00 m Freezing level: 800.55 mb = 2006.33 m = 6582.37 ft Wetbulb zero: 803.52 mb = 1944.34 m = 6378.98 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 95.65 % Est. max temperature: 16.71 C = 62.07 F Sfc-Lift cond lev (LCL): 1007.92 mb = 103.81 m = 340.58 ft T: 9.45 C 700-500 lapse rate: 5.79 C/km ThetaE index: 0.30 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 952.54 mb = 562.28 m = 1844.74 ft Mean mixing ratio: 6.90 g/kg Conv temperature: 12.69 C = 54.85 F Cap Strength: 1.50 C Lifted Index: 5.80 C Risk: None Lifted Index @300 mb: 10.24 C Lifted Index @700 mb: 1.50 C Showalter Index: 4.69 C Risk: None Total Totals Index: 47.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.60 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 91.40 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.66 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 11647.59 J/kg Cap Strength: 5.76 C Lift Cond Lev (LCL): 960.28 mb = 495.33 m = 1625.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 233 at 13 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 1014 61 40 7 -4.5 -5.4 | 49 20 -15.3 -13.4 1 1000 160 50 9 -6.9 -5.8 | 52 22 -17.7 -13.8 2 925 805 225 7 4.9 4.9 | 62 7 -5.9 -3.1 3 850 1496 205 15 6.3 13.6 | 141 7 -4.5 5.6 4 700 3044 215 15 8.6 12.3 | 152 5 -2.2 4.3 5 500 5600 195 29 7.5 28.0 | 171 20 -3.3 20.0 6 400 7210 220 38 24.4 29.1 | 213 25 13.6 21.1 7 300 9180 200 40 13.7 37.6 | 186 30 2.9 29.6 8 250 10360 215 46 26.4 37.7 | 208 33 15.6 29.7 9 208 11508 210 35 17.5 30.3 | 197 23 6.7 22.3 10 200 11750 200 31 10.6 29.1 | 179 21 -0.2 21.1 11 150 13580 240 19 16.5 9.5 | 255 6 5.6 1.5 12 100 16140 320 27 17.4 -20.7 | 347 29 6.5 -28.7 Wind Parameters Mean winds (0-6000m): 203.5 at 18.0 knts Storm direction: 233.5 at 13.5 knts Shear (0-3000m) pos: 3.0 neg: 1.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 80.8 neg: -5.9 tot: 74.8 m^2/s^2 ave: 24.9 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 72.32 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 82 8 64 21| 13.1 0.0 13.1| 69.4 0.0 69.4 138.7 0.72| 18.8 13.5 1000 189 8 90 10| 8.7 0.0 8.7| 72.2 -5.9 66.3 66.3 0.42| 15.0 6.3 1500 206 10 96 7| 5.8 1.9 7.8| 78.9 -5.9 73.0 48.7 0.49| 12.0 5.9 2000 206 11 107 6| 4.4 1.5 5.9| 79.6 -5.9 73.7 36.8 0.49| 9.2 4.5 2500 208 12 114 6| 3.6 1.2 4.7| 80.2 -5.9 74.2 29.7 0.49| 7.5 3.7 3000 209 12 120 6| 3.0 1.0 4.0| 80.8 -5.9 74.8 24.9 0.49| 6.4 3.1 4000 210 14 134 6| 2.3 1.5 3.8| 84.7 -5.9 78.7 19.7 0.47| 5.6 2.6 5000 207 16 148 7| 1.8 1.8 3.6| 85.3 -6.7 78.6 15.7 0.41| 5.1 2.1 6000 203 18 157 9| 1.9 1.8 3.7|109.5 -9.1 100.4 16.7 0.42| 4.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251220.00.gif