UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050512.upa.cvt Date: 1200Z 5 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 5 MAY 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 10.0 -1.0 46 11.0 5.1 20 9 282.3 282.9 277.8 292.3 3.51 1 1000 173 9.4 1.4 57 8.0 5.6 25 11 282.5 283.3 278.8 294.4 4.23 2 925 811 2.4 -0.3 82 2.7 1.2 25 19 281.8 282.5 278.2 293.1 4.04 3 850 1486 -4.5 -5.3 94 0.8 -4.8 20 27 281.4 282.0 276.6 290.0 3.03 4 700 3021 -4.5 -26.5 16 22.0 -9.7 30 29 297.5 297.6 281.1 299.5 0.63 5 500 5590 -21.1 -38.1 20 17.0 -23.4 25 35 307.3 307.4 284.7 308.3 0.29 6 400 7200 -33.7 -48.7 21 15.0 -34.7 25 52 311.2 311.2 285.9 311.6 0.11 7 300 9150 -49.1 -59.1 30 10.0 -49.4 25 66 316.1 316.2 287.5 316.3 0.04 8 286 9460 -50.7 -61.2 28 10.5 -50.9 25 66 318.2 318.3 288.2 318.4 0.04 9 250 10320 -55.1 -67.1 21 12.0 -55.3 25 60 324.1 324.2 290.0 324.2 0.02 10 247 10397 -55.3 -67.3 21 12.0 -55.5 25 54 325.0 325.0 290.3 325.0 0.02 11 200 11750 -54.3 -77.3 4 23.0 -54.6 15 31 346.8 346.8 295.9 346.8 0.01 TRP 247 10397 -55.3 -67.3 21 12.0 -55.5 25 54 325.0 325.0 290.3 325.0 0.02 WND 286 9460 -50.7 -61.2 28 10.5 -50.9 25 66 318.2 318.3 288.2 318.4 0.04 Sounding variables and indices 1000-500 mb thick: 5417.00 m Freezing level: 898.91 mb = 1045.78 m = 3431.00 ft Wetbulb zero: 910.05 mb = 941.11 m = 3087.59 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 42.98 % Est. max temperature: 9.14 C = 48.45 F Sfc-Lift cond lev (LCL): 853.77 mb = 1450.66 m = 4759.32 ft T: -4.14 C 700-500 lapse rate: 6.46 C/km ThetaE index: 4.41 C Layer 925.0- 700.0 mb Conv cond level (CCL): 890.43 mb = 1115.06 m = 3658.29 ft Mean mixing ratio: 4.08 g/kg Conv temperature: 9.28 C = 48.71 F Cap Strength: 8.84 C Lifted Index: 12.51 C Risk: None Lifted Index @300 mb: 16.10 C Lifted Index @700 mb: 8.84 C Showalter Index: 15.15 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 15.80 C K Index: -10.70 Risk: None Sweat Index: 89.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.47 J/kg Max Up Vert Vel: 7.14 m/s Conv Inhibition (B-): 1.74 J/kg Cap Strength: 12.37 C Lift Cond Lev (LCL): 883.89 mb = 1173.89 m = 3851.30 ft Lev Free Conv (LFC): 878.89 mb = 1219.17 m = 3999.86 ft Equ Level (EL): 818.89 mb = 1780.77 m = 5842.35 ft B at Equ Level: 24.57 J/kg Max Parcel Lev (MPL): 778.89 mb = 2176.70 m = 7141.32 ft Wind level data Storm motion: 56 at 21 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 20 9 -3.1 -8.5 | 256 15 14.6 3.5 1 1000 173 25 11 -4.6 -10.0 | 261 13 13.0 2.0 2 925 811 25 19 -8.0 -17.2 | 298 11 9.7 -5.2 3 850 1486 20 27 -9.2 -25.4 | 328 16 8.5 -13.4 4 700 3021 30 29 -14.5 -25.1 | 346 14 3.2 -13.1 5 500 5590 25 35 -14.8 -31.7 | 352 20 2.9 -19.7 6 400 7200 25 52 -22.0 -47.1 | 7 35 -4.3 -35.1 7 300 9150 25 66 -27.9 -59.8 | 12 49 -10.2 -47.8 8 286 9460 25 66 -27.9 -59.8 | 12 49 -10.2 -47.8 9 250 10320 25 60 -25.4 -54.4 | 10 43 -7.7 -42.4 10 247 10397 25 54 -22.8 -48.9 | 8 37 -5.1 -37.0 11 200 11750 15 31 -8.0 -29.9 | 332 20 9.7 -18.0 Wind Parameters Mean winds (0-6000m): 25.9 at 28.5 knts Storm direction: 55.9 at 21.4 knts Shear (0-3000m) pos: 1.9 neg: 1.9 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 68.3 neg: 0.0 tot: 68.3 m^2/s^2 ave: 22.8 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.81 Bulk Shear: 31.32 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 25 13 270 12| 7.7 0.0 7.7| 20.1 0.0 20.1 40.2 0.81| 7.8 6.3 1000 24 16 284 11| 3.8 3.1 7.0| 37.5 0.0 37.5 37.5 0.87| 7.1 6.1 1500 23 19 299 12| 2.6 3.7 6.3| 51.1 0.0 51.1 34.1 0.83| 6.4 5.3 2000 23 21 309 12| 2.2 2.8 5.0| 57.1 0.0 57.1 28.6 0.83| 5.3 4.4 2500 23 23 316 12| 2.0 2.2 4.2| 63.1 0.0 63.1 25.2 0.84| 4.6 3.8 3000 25 24 321 12| 1.9 1.9 3.7| 68.3 0.0 68.3 22.8 0.84| 4.1 3.4 4000 26 25 328 13| 1.4 1.7 3.1| 71.2 0.0 71.2 17.8 0.79| 3.4 2.7 5000 26 27 334 13| 1.1 1.6 2.8| 73.4 0.0 73.4 14.7 0.74| 3.0 2.2 6000 26 28 339 15| 0.9 1.9 2.9| 90.0 0.0 90.0 15.0 0.68| 3.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250505.12.gif