UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 30 DEC 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1015 103 0.2 -2.7 81 2.9 -0.9 65 13 272.2 272.7 271.5 280.6 3.08 1 1000 213 2.8 0.5 85 2.3 1.8 70 21 276.0 276.6 275.0 286.8 3.96 2 925 843 5.6 -39.4 2 45.0 -2.9 100 15 285.0 285.1 274.3 285.5 0.14 3 850 1531 3.6 -27.4 8 31.0 -4.0 100 13 289.9 290.0 277.4 291.4 0.47 4 700 3092 -2.1 -24.1 17 22.0 -7.9 70 13 300.2 300.3 282.5 302.7 0.78 5 500 5660 -23.3 -34.3 36 11.0 -24.8 90 15 304.6 304.7 283.8 306.1 0.42 6 400 7240 -36.3 -44.3 43 8.0 -36.8 125 29 307.8 307.8 284.7 308.5 0.19 7 300 9170 -51.3 -62.3 26 11.0 -51.5 140 29 313.0 313.0 286.4 313.2 0.03 8 250 10330 -59.7 -64.7 52 5.0 -59.7 155 31 317.3 317.3 287.9 317.4 0.03 9 200 11710 -65.5 -75.5 24 10.0 -65.5 135 21 329.0 329.0 291.5 329.1 0.01 10 150 13490 -60.9 -85.9 2 25.0 -61.1 280 9 365.2 365.2 299.7 365.2 0.00 11 100 16010 -58.9 -88.9 1 30.0 -59.2 305 13 413.9 413.9 307.0 413.9 0.00 TRP 200 11710 -65.5 -75.5 24 10.0 -65.5 135 21 329.0 329.0 291.5 329.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 755.26 mb = 2516.89 m = 8257.43 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 23.04 % Est. max temperature: 16.98 C = 62.57 F Sfc-Lift cond lev (LCL): 970.03 mb = 458.90 m = 1505.56 ft T: 3.89 C 700-500 lapse rate: 8.26 C/km ThetaE index: 1.28 C Layer 925.0- 850.0 mb Conv cond level (CCL): 568.36 mb = 4681.97 m = 15360.62 ft Mean mixing ratio: 2.06 g/kg Conv temperature: 31.30 C = 88.34 F Cap Strength: 16.22 C Lifted Index: 16.00 C Risk: None Lifted Index @300 mb: 19.23 C Lifted Index @700 mb: 16.22 C Showalter Index: 11.84 C Risk: None Total Totals Index: 22.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: -4.10 C K Index: -22.50 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.65 J/kg Max Up Vert Vel: 6.88 m/s Conv Inhibition (B-): 16865.15 J/kg Cap Strength: 16.21 C Lift Cond Lev (LCL): 791.78 mb = 2101.42 m = 6894.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 115 at 11 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 1015 103 65 13 -11.8 -5.5 | 11 10 -2.0 -10.1 1 1000 213 70 21 -19.7 -7.2 | 40 15 -9.9 -11.8 2 925 843 100 15 -14.8 2.6 | 68 5 -5.0 -2.0 3 850 1531 100 13 -12.8 2.3 | 52 4 -3.0 -2.3 4 700 3092 70 13 -12.2 -4.4 | 15 9 -2.4 -9.0 5 500 5660 90 15 -15.0 0.0 | 49 7 -5.2 -4.6 6 400 7240 125 29 -23.8 16.6 | 131 18 -13.9 12.1 7 300 9170 140 29 -18.6 22.2 | 153 20 -8.8 17.6 8 250 10330 155 31 -13.1 28.1 | 172 24 -3.3 23.5 9 200 11710 135 21 -14.8 14.8 | 154 11 -5.0 10.3 10 150 13490 280 9 8.9 -1.6 | 288 20 18.7 -6.1 11 100 16010 305 13 10.6 -7.5 | 300 24 20.5 -12.0 Wind Parameters Mean winds (0-6000m): 85.0 at 14.4 knts Storm direction: 115.0 at 10.8 knts Shear (0-3000m) pos: 1.4 neg: 1.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 4.0 deg Storm rel helicity (0-3000m) pos: 33.8 neg: -8.0 tot: 25.7 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.42 Bulk Shear: 3.19 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 76 19 42 12| 7.7 0.0 7.7| 31.1 0.0 31.1 62.2 0.67| 15.1 10.1 1000 85 17 49 9| 4.3 0.0 4.3| 33.8 -0.4 33.3 33.3 0.56| 9.9 5.6 1500 89 16 51 8| 2.8 0.4 3.3| 33.8 -1.6 32.2 21.5 0.47| 7.1 3.4 2000 90 15 50 7| 2.1 0.7 2.9| 33.8 -3.3 30.5 15.2 0.37| 5.9 2.2 2500 89 15 46 7| 1.7 1.0 2.7| 33.8 -5.4 28.4 11.3 0.29| 5.2 1.5 3000 87 14 41 7| 1.4 1.2 2.6| 33.8 -8.0 25.7 8.6 0.22| 4.7 1.0 4000 84 14 35 7| 1.3 0.9 2.2| 37.7 -8.0 29.7 7.4 0.27| 3.8 1.0 5000 83 14 35 8| 1.3 0.7 2.0| 41.6 -8.0 33.5 6.7 0.31| 3.2 1.0 6000 85 14 38 7| 1.5 0.6 2.1| 52.8 -8.0 44.8 7.5 0.41| 3.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251230.00.gif