UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 26 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 1010 103 -2.7 -6.2 77 3.5 -3.8 75 5 269.7 270.1 268.7 276.1 2.38 1 1000 175 0.0 -2.8 81 2.8 -1.1 95 9 273.1 273.7 272.1 281.6 3.11 2 925 796 -1.7 -6.1 72 4.4 -3.3 95 15 277.6 278.0 273.9 284.9 2.62 3 850 1469 1.2 -15.8 27 17.0 -4.0 115 35 287.4 287.6 277.3 291.4 1.31 4 700 3001 -8.3 -19.3 41 11.0 -11.2 130 42 293.3 293.5 280.0 297.0 1.18 5 500 5520 -25.7 -30.5 64 4.8 -26.4 130 46 301.7 301.8 282.9 303.7 0.60 6 400 7100 -37.9 -43.9 53 6.0 -38.3 125 58 305.7 305.8 284.0 306.4 0.19 7 388 7308 -39.5 -45.7 52 6.2 -39.9 125 62 306.3 306.4 284.1 306.9 0.16 8 300 9010 -52.9 -60.9 37 8.0 -53.1 125 54 310.8 310.8 285.7 310.9 0.04 9 265 9801 -57.1 -68.1 24 11.0 -57.2 120 54 315.9 315.9 287.4 315.9 0.02 10 250 10170 -55.5 -71.5 12 16.0 -55.7 115 40 323.6 323.6 289.9 323.6 0.01 11 200 11600 -52.1 -77.1 3 25.0 -52.5 115 27 350.3 350.3 296.7 350.3 0.01 12 150 13460 -53.3 -85.3 1 32.0 -53.8 95 25 378.2 378.2 301.9 378.2 0.00 13 100 16080 -52.1 -84.1 1 32.0 -52.8 30 19 427.1 427.1 308.5 427.1 0.00 TRP 265 9801 -57.1 -68.1 24 11.0 -57.2 120 54 315.9 315.9 287.4 315.9 0.02 WND 388 7308 -39.5 -45.7 52 6.2 -39.9 125 62 306.3 306.4 284.1 306.9 0.16 Sounding variables and indices 1000-500 mb thick: 5345.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 175.00 m = 574.14 ft Freezing level: 1000.00 mb = 175.00 m = 574.14 ft Freezing level: 881.03 mb = 1190.52 m = 3905.85 ft Freezing level: 831.05 mb = 1662.52 m = 5454.38 ft Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 49.95 % Est. max temperature: 13.69 C = 56.64 F Sfc-Lift cond lev (LCL): 955.85 mb = 534.68 m = 1754.17 ft T: -0.98 C 700-500 lapse rate: 6.91 C/km ThetaE index: 0.00 C Layer 1010.0-442381632.0 mb Conv cond level (CCL): 689.16 mb = 3117.84 m = 10229.00 ft Mean mixing ratio: 2.79 g/kg Conv temperature: 21.39 C = 70.51 F Cap Strength: 12.01 C Lifted Index: 15.74 C Risk: None Lifted Index @300 mb: 19.59 C Lifted Index @700 mb: 12.01 C Showalter Index: 9.50 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 9.90 C K Index: 0.10 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.70 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 19159.72 J/kg Cap Strength: 15.68 C Lift Cond Lev (LCL): 902.59 mb = 991.20 m = 3251.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 155 at 28 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 1010 103 75 5 -4.8 -1.3 | 346 28 6.8 -26.8 1 1000 175 95 9 -9.0 0.8 | 354 25 2.7 -24.7 2 925 796 95 15 -14.9 1.3 | 8 24 -3.3 -24.2 3 850 1469 115 35 -31.7 14.8 | 62 23 -20.1 -10.7 4 700 3001 130 42 -32.2 27.0 | 94 21 -20.6 1.5 5 500 5520 130 46 -35.2 29.6 | 100 24 -23.6 4.1 6 400 7100 125 58 -47.5 33.3 | 102 37 -35.9 7.8 7 388 7308 125 62 -50.8 35.6 | 104 40 -39.2 10.1 8 300 9010 125 54 -44.2 31.0 | 100 33 -32.6 5.5 9 265 9801 120 54 -46.8 27.0 | 93 35 -35.1 1.5 10 250 10170 115 40 -36.3 16.9 | 71 26 -24.6 -8.6 11 200 11600 115 27 -24.5 11.4 | 42 19 -12.8 -14.0 12 150 13460 95 25 -24.9 2.2 | 30 27 -13.3 -23.3 13 100 16080 30 19 -9.5 -16.5 | 357 42 2.1 -41.9 Wind Parameters Mean winds (0-6000m): 125.5 at 37.3 knts Storm direction: 155.5 at 28.0 knts Shear (0-3000m) pos: 6.8 neg: 0.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 265.3 neg: 0.0 tot: 265.3 m^2/s^2 ave: 88.4 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 7.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.12 Bulk Shear: 110.54 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 94 10 357 25| 8.9 0.0 8.9| 52.3 0.0 52.3 104.6 0.89| 9.0 8.0 1000 97 14 5 24| 10.2 0.0 10.2|123.4 0.0 123.4 123.4 0.95| 10.4 9.9 1500 106 20 20 21| 11.0 0.0 11.0|202.2 0.0 202.2 134.8 0.97| 11.5 11.1 2000 111 24 32 20| 8.9 0.0 8.9|224.2 0.0 224.2 112.1 0.97| 9.6 9.3 2500 115 27 42 19| 7.7 0.0 7.7|246.6 0.0 246.6 98.6 0.97| 8.5 8.3 3000 118 29 51 18| 6.8 0.0 6.8|265.3 0.0 265.3 88.4 0.97| 7.7 7.5 4000 122 33 63 18| 5.1 0.2 5.3|270.4 0.0 270.4 67.6 0.96| 6.0 5.7 5000 124 35 72 18| 4.1 0.3 4.4|275.4 0.0 275.4 55.1 0.94| 5.0 4.7 6000 125 37 79 19| 3.4 0.7 4.1|282.6 0.0 282.6 47.1 0.87| 4.6 4.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251226.00.gif